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1 | <?php |
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2 | /** |
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3 | * @link http://www.yiiframework.com/ |
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4 | * @copyright Copyright (c) 2008 Yii Software LLC |
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5 | * @license http://www.yiiframework.com/license/ |
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6 | */ |
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7 | |||
8 | namespace yii\db; |
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9 | |||
10 | use Yii; |
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11 | use yii\base\InvalidArgumentException; |
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12 | use yii\base\InvalidCallException; |
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13 | use yii\base\InvalidConfigException; |
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14 | use yii\base\InvalidParamException; |
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15 | use yii\base\Model; |
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16 | use yii\base\ModelEvent; |
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17 | use yii\base\NotSupportedException; |
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18 | use yii\base\UnknownMethodException; |
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19 | use yii\helpers\ArrayHelper; |
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20 | |||
21 | /** |
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22 | * ActiveRecord is the base class for classes representing relational data in terms of objects. |
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23 | * |
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24 | * See [[\yii\db\ActiveRecord]] for a concrete implementation. |
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25 | * |
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26 | * @property array $dirtyAttributes The changed attribute values (name-value pairs). This property is |
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27 | * read-only. |
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28 | * @property bool $isNewRecord Whether the record is new and should be inserted when calling [[save()]]. |
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29 | * @property array $oldAttributes The old attribute values (name-value pairs). Note that the type of this |
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30 | * property differs in getter and setter. See [[getOldAttributes()]] and [[setOldAttributes()]] for details. |
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31 | * @property mixed $oldPrimaryKey The old primary key value. An array (column name => column value) is |
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32 | * returned if the primary key is composite. A string is returned otherwise (null will be returned if the key |
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33 | * value is null). This property is read-only. |
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34 | * @property mixed $primaryKey The primary key value. An array (column name => column value) is returned if |
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35 | * the primary key is composite. A string is returned otherwise (null will be returned if the key value is null). |
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36 | * This property is read-only. |
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37 | * @property array $relatedRecords An array of related records indexed by relation names. This property is |
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38 | * read-only. |
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39 | * |
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40 | * @author Qiang Xue <[email protected]> |
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41 | * @author Carsten Brandt <[email protected]> |
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42 | * @since 2.0 |
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43 | */ |
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44 | abstract class BaseActiveRecord extends Model implements ActiveRecordInterface |
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45 | { |
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46 | /** |
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47 | * @event Event an event that is triggered when the record is initialized via [[init()]]. |
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48 | */ |
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49 | const EVENT_INIT = 'init'; |
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50 | /** |
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51 | * @event Event an event that is triggered after the record is created and populated with query result. |
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52 | */ |
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53 | const EVENT_AFTER_FIND = 'afterFind'; |
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54 | /** |
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55 | * @event ModelEvent an event that is triggered before inserting a record. |
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56 | * You may set [[ModelEvent::isValid]] to be `false` to stop the insertion. |
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57 | */ |
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58 | const EVENT_BEFORE_INSERT = 'beforeInsert'; |
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59 | /** |
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60 | * @event AfterSaveEvent an event that is triggered after a record is inserted. |
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61 | */ |
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62 | const EVENT_AFTER_INSERT = 'afterInsert'; |
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63 | /** |
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64 | * @event ModelEvent an event that is triggered before updating a record. |
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65 | * You may set [[ModelEvent::isValid]] to be `false` to stop the update. |
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66 | */ |
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67 | const EVENT_BEFORE_UPDATE = 'beforeUpdate'; |
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68 | /** |
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69 | * @event AfterSaveEvent an event that is triggered after a record is updated. |
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70 | */ |
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71 | const EVENT_AFTER_UPDATE = 'afterUpdate'; |
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72 | /** |
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73 | * @event ModelEvent an event that is triggered before deleting a record. |
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74 | * You may set [[ModelEvent::isValid]] to be `false` to stop the deletion. |
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75 | */ |
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76 | const EVENT_BEFORE_DELETE = 'beforeDelete'; |
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77 | /** |
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78 | * @event Event an event that is triggered after a record is deleted. |
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79 | */ |
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80 | const EVENT_AFTER_DELETE = 'afterDelete'; |
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81 | /** |
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82 | * @event Event an event that is triggered after a record is refreshed. |
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83 | * @since 2.0.8 |
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84 | */ |
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85 | const EVENT_AFTER_REFRESH = 'afterRefresh'; |
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86 | |||
87 | /** |
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88 | * @var array attribute values indexed by attribute names |
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89 | */ |
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90 | private $_attributes = []; |
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91 | /** |
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92 | * @var array|null old attribute values indexed by attribute names. |
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93 | * This is `null` if the record [[isNewRecord|is new]]. |
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94 | */ |
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95 | private $_oldAttributes; |
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96 | /** |
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97 | * @var array related models indexed by the relation names |
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98 | */ |
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99 | private $_related = []; |
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100 | /** |
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101 | * @var array relation names indexed by their link attributes |
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102 | */ |
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103 | private $_relationsDependencies = []; |
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104 | |||
105 | |||
106 | /** |
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107 | * {@inheritdoc} |
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108 | * @return static|null ActiveRecord instance matching the condition, or `null` if nothing matches. |
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109 | */ |
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110 | 190 | public static function findOne($condition) |
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111 | { |
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112 | 190 | return static::findByCondition($condition)->one(); |
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113 | } |
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114 | |||
115 | /** |
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116 | * {@inheritdoc} |
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117 | * @return static[] an array of ActiveRecord instances, or an empty array if nothing matches. |
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118 | */ |
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119 | public static function findAll($condition) |
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120 | { |
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121 | return static::findByCondition($condition)->all(); |
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122 | } |
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123 | |||
124 | /** |
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125 | * Finds ActiveRecord instance(s) by the given condition. |
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126 | * This method is internally called by [[findOne()]] and [[findAll()]]. |
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127 | * @param mixed $condition please refer to [[findOne()]] for the explanation of this parameter |
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128 | * @return ActiveQueryInterface the newly created [[ActiveQueryInterface|ActiveQuery]] instance. |
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129 | * @throws InvalidConfigException if there is no primary key defined |
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130 | * @internal |
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131 | */ |
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132 | protected static function findByCondition($condition) |
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133 | { |
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134 | $query = static::find(); |
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135 | |||
136 | if (!ArrayHelper::isAssociative($condition)) { |
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137 | // query by primary key |
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138 | $primaryKey = static::primaryKey(); |
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139 | if (isset($primaryKey[0])) { |
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140 | // if condition is scalar, search for a single primary key, if it is array, search for multiple primary key values |
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141 | $condition = [$primaryKey[0] => is_array($condition) ? array_values($condition) : $condition]; |
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142 | } else { |
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143 | throw new InvalidConfigException('"' . get_called_class() . '" must have a primary key.'); |
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144 | } |
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145 | } |
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146 | |||
147 | return $query->andWhere($condition); |
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148 | } |
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149 | |||
150 | /** |
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151 | * Updates the whole table using the provided attribute values and conditions. |
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152 | * |
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153 | * For example, to change the status to be 1 for all customers whose status is 2: |
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154 | * |
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155 | * ```php |
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156 | * Customer::updateAll(['status' => 1], 'status = 2'); |
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157 | * ``` |
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158 | * |
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159 | * @param array $attributes attribute values (name-value pairs) to be saved into the table |
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160 | * @param string|array $condition the conditions that will be put in the WHERE part of the UPDATE SQL. |
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161 | * Please refer to [[Query::where()]] on how to specify this parameter. |
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162 | * @return int the number of rows updated |
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163 | * @throws NotSupportedException if not overridden |
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164 | */ |
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165 | public static function updateAll($attributes, $condition = '') |
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166 | { |
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167 | throw new NotSupportedException(__METHOD__ . ' is not supported.'); |
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168 | } |
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169 | |||
170 | /** |
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171 | * Updates the whole table using the provided counter changes and conditions. |
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172 | * |
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173 | * For example, to increment all customers' age by 1, |
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174 | * |
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175 | * ```php |
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176 | * Customer::updateAllCounters(['age' => 1]); |
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177 | * ``` |
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178 | * |
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179 | * @param array $counters the counters to be updated (attribute name => increment value). |
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180 | * Use negative values if you want to decrement the counters. |
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181 | * @param string|array $condition the conditions that will be put in the WHERE part of the UPDATE SQL. |
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182 | * Please refer to [[Query::where()]] on how to specify this parameter. |
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183 | * @return int the number of rows updated |
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184 | * @throws NotSupportedException if not overrided |
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185 | */ |
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186 | public static function updateAllCounters($counters, $condition = '') |
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187 | { |
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188 | throw new NotSupportedException(__METHOD__ . ' is not supported.'); |
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189 | } |
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190 | |||
191 | /** |
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192 | * Deletes rows in the table using the provided conditions. |
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193 | * WARNING: If you do not specify any condition, this method will delete ALL rows in the table. |
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194 | * |
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195 | * For example, to delete all customers whose status is 3: |
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196 | * |
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197 | * ```php |
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198 | * Customer::deleteAll('status = 3'); |
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199 | * ``` |
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200 | * |
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201 | * @param string|array $condition the conditions that will be put in the WHERE part of the DELETE SQL. |
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202 | * Please refer to [[Query::where()]] on how to specify this parameter. |
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203 | * @return int the number of rows deleted |
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204 | * @throws NotSupportedException if not overridden. |
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205 | */ |
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206 | public static function deleteAll($condition = null) |
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207 | { |
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208 | throw new NotSupportedException(__METHOD__ . ' is not supported.'); |
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209 | } |
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210 | |||
211 | /** |
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212 | * Returns the name of the column that stores the lock version for implementing optimistic locking. |
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213 | * |
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214 | * Optimistic locking allows multiple users to access the same record for edits and avoids |
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215 | * potential conflicts. In case when a user attempts to save the record upon some staled data |
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216 | * (because another user has modified the data), a [[StaleObjectException]] exception will be thrown, |
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217 | * and the update or deletion is skipped. |
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218 | * |
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219 | * Optimistic locking is only supported by [[update()]] and [[delete()]]. |
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220 | * |
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221 | * To use Optimistic locking: |
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222 | * |
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223 | * 1. Create a column to store the version number of each row. The column type should be `BIGINT DEFAULT 0`. |
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224 | * Override this method to return the name of this column. |
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225 | * 2. Add a `required` validation rule for the version column to ensure the version value is submitted. |
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226 | * 3. In the Web form that collects the user input, add a hidden field that stores |
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227 | * the lock version of the recording being updated. |
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228 | * 4. In the controller action that does the data updating, try to catch the [[StaleObjectException]] |
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229 | * and implement necessary business logic (e.g. merging the changes, prompting stated data) |
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230 | * to resolve the conflict. |
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231 | * |
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232 | * @return string the column name that stores the lock version of a table row. |
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233 | * If `null` is returned (default implemented), optimistic locking will not be supported. |
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234 | */ |
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235 | 36 | public function optimisticLock() |
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236 | { |
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237 | 36 | return null; |
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238 | } |
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239 | |||
240 | /** |
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241 | * {@inheritdoc} |
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242 | */ |
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243 | 3 | public function canGetProperty($name, $checkVars = true, $checkBehaviors = true) |
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244 | { |
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245 | 3 | if (parent::canGetProperty($name, $checkVars, $checkBehaviors)) { |
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246 | 3 | return true; |
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247 | } |
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248 | |||
249 | try { |
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250 | 3 | return $this->hasAttribute($name); |
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251 | } catch (\Exception $e) { |
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252 | // `hasAttribute()` may fail on base/abstract classes in case automatic attribute list fetching used |
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253 | return false; |
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254 | } |
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255 | } |
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256 | |||
257 | /** |
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258 | * {@inheritdoc} |
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259 | */ |
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260 | 9 | public function canSetProperty($name, $checkVars = true, $checkBehaviors = true) |
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261 | { |
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262 | 9 | if (parent::canSetProperty($name, $checkVars, $checkBehaviors)) { |
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263 | 6 | return true; |
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264 | } |
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265 | |||
266 | try { |
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267 | 3 | return $this->hasAttribute($name); |
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268 | } catch (\Exception $e) { |
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269 | // `hasAttribute()` may fail on base/abstract classes in case automatic attribute list fetching used |
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270 | return false; |
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271 | } |
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272 | } |
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273 | |||
274 | /** |
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275 | * PHP getter magic method. |
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276 | * This method is overridden so that attributes and related objects can be accessed like properties. |
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277 | * |
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278 | * @param string $name property name |
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279 | * @throws InvalidArgumentException if relation name is wrong |
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280 | * @return mixed property value |
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281 | * @see getAttribute() |
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282 | */ |
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283 | 382 | public function __get($name) |
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284 | { |
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285 | 382 | if (isset($this->_attributes[$name]) || array_key_exists($name, $this->_attributes)) { |
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286 | 364 | return $this->_attributes[$name]; |
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287 | } |
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288 | |||
289 | 192 | if ($this->hasAttribute($name)) { |
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290 | 47 | return null; |
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291 | } |
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292 | |||
293 | 166 | if (isset($this->_related[$name]) || array_key_exists($name, $this->_related)) { |
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294 | 93 | return $this->_related[$name]; |
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295 | } |
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296 | 118 | $value = parent::__get($name); |
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297 | 118 | if ($value instanceof ActiveQueryInterface) { |
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298 | 73 | $this->setRelationDependencies($name, $value); |
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299 | 73 | return $this->_related[$name] = $value->findFor($name, $this); |
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300 | } |
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301 | |||
302 | 54 | return $value; |
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303 | } |
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304 | |||
305 | /** |
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306 | * PHP setter magic method. |
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307 | * This method is overridden so that AR attributes can be accessed like properties. |
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308 | * @param string $name property name |
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309 | * @param mixed $value property value |
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310 | */ |
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311 | 188 | public function __set($name, $value) |
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312 | { |
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313 | 188 | if ($this->hasAttribute($name)) { |
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314 | if ( |
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315 | 188 | !empty($this->_relationsDependencies[$name]) |
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316 | 188 | && (!array_key_exists($name, $this->_attributes) || $this->_attributes[$name] !== $value) |
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317 | ) { |
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318 | 15 | $this->resetDependentRelations($name); |
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319 | } |
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320 | 188 | $this->_attributes[$name] = $value; |
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321 | } else { |
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322 | 5 | parent::__set($name, $value); |
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323 | } |
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324 | 188 | } |
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325 | |||
326 | /** |
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327 | * Checks if a property value is null. |
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328 | * This method overrides the parent implementation by checking if the named attribute is `null` or not. |
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329 | * @param string $name the property name or the event name |
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330 | * @return bool whether the property value is null |
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331 | */ |
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332 | 59 | public function __isset($name) |
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333 | { |
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334 | try { |
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335 | 59 | return $this->__get($name) !== null; |
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336 | } catch (\Exception $e) { |
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337 | return false; |
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338 | } |
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339 | } |
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340 | |||
341 | /** |
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342 | * Sets a component property to be null. |
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343 | * This method overrides the parent implementation by clearing |
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344 | * the specified attribute value. |
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345 | * @param string $name the property name or the event name |
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346 | */ |
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347 | 15 | public function __unset($name) |
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348 | { |
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349 | 15 | if ($this->hasAttribute($name)) { |
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350 | 9 | unset($this->_attributes[$name]); |
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351 | 9 | if (!empty($this->_relationsDependencies[$name])) { |
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352 | 9 | $this->resetDependentRelations($name); |
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353 | } |
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354 | 6 | } elseif (array_key_exists($name, $this->_related)) { |
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355 | 6 | unset($this->_related[$name]); |
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356 | } elseif ($this->getRelation($name, false) === null) { |
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357 | parent::__unset($name); |
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358 | } |
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359 | 15 | } |
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360 | |||
361 | /** |
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362 | * Declares a `has-one` relation. |
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363 | * The declaration is returned in terms of a relational [[ActiveQuery]] instance |
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364 | * through which the related record can be queried and retrieved back. |
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365 | * |
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366 | * A `has-one` relation means that there is at most one related record matching |
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367 | * the criteria set by this relation, e.g., a customer has one country. |
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368 | * |
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369 | * For example, to declare the `country` relation for `Customer` class, we can write |
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370 | * the following code in the `Customer` class: |
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371 | * |
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372 | * ```php |
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373 | * public function getCountry() |
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374 | * { |
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375 | * return $this->hasOne(Country::className(), ['id' => 'country_id']); |
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376 | * } |
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377 | * ``` |
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378 | * |
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379 | * Note that in the above, the 'id' key in the `$link` parameter refers to an attribute name |
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380 | * in the related class `Country`, while the 'country_id' value refers to an attribute name |
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381 | * in the current AR class. |
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382 | * |
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383 | * Call methods declared in [[ActiveQuery]] to further customize the relation. |
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384 | * |
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385 | * @param string $class the class name of the related record |
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386 | * @param array $link the primary-foreign key constraint. The keys of the array refer to |
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387 | * the attributes of the record associated with the `$class` model, while the values of the |
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388 | * array refer to the corresponding attributes in **this** AR class. |
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389 | * @return ActiveQueryInterface the relational query object. |
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390 | */ |
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391 | 73 | public function hasOne($class, $link) |
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392 | { |
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393 | 73 | return $this->createRelationQuery($class, $link, false); |
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394 | } |
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395 | |||
396 | /** |
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397 | * Declares a `has-many` relation. |
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398 | * The declaration is returned in terms of a relational [[ActiveQuery]] instance |
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399 | * through which the related record can be queried and retrieved back. |
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400 | * |
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401 | * A `has-many` relation means that there are multiple related records matching |
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402 | * the criteria set by this relation, e.g., a customer has many orders. |
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403 | * |
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404 | * For example, to declare the `orders` relation for `Customer` class, we can write |
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405 | * the following code in the `Customer` class: |
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406 | * |
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407 | * ```php |
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408 | * public function getOrders() |
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409 | * { |
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410 | * return $this->hasMany(Order::className(), ['customer_id' => 'id']); |
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411 | * } |
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412 | * ``` |
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413 | * |
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414 | * Note that in the above, the 'customer_id' key in the `$link` parameter refers to |
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415 | * an attribute name in the related class `Order`, while the 'id' value refers to |
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416 | * an attribute name in the current AR class. |
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417 | * |
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418 | * Call methods declared in [[ActiveQuery]] to further customize the relation. |
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419 | * |
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420 | * @param string $class the class name of the related record |
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421 | * @param array $link the primary-foreign key constraint. The keys of the array refer to |
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422 | * the attributes of the record associated with the `$class` model, while the values of the |
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423 | * array refer to the corresponding attributes in **this** AR class. |
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424 | * @return ActiveQueryInterface the relational query object. |
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425 | */ |
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426 | 150 | public function hasMany($class, $link) |
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427 | { |
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428 | 150 | return $this->createRelationQuery($class, $link, true); |
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429 | } |
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430 | |||
431 | /** |
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432 | * Creates a query instance for `has-one` or `has-many` relation. |
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433 | * @param string $class the class name of the related record. |
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434 | * @param array $link the primary-foreign key constraint. |
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435 | * @param bool $multiple whether this query represents a relation to more than one record. |
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436 | * @return ActiveQueryInterface the relational query object. |
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437 | * @since 2.0.12 |
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438 | * @see hasOne() |
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439 | * @see hasMany() |
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440 | */ |
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441 | 181 | protected function createRelationQuery($class, $link, $multiple) |
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442 | { |
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443 | /* @var $class ActiveRecordInterface */ |
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444 | /* @var $query ActiveQuery */ |
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445 | 181 | $query = $class::find(); |
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446 | 181 | $query->primaryModel = $this; |
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447 | 181 | $query->link = $link; |
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448 | 181 | $query->multiple = $multiple; |
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449 | 181 | return $query; |
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450 | } |
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451 | |||
452 | /** |
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453 | * Populates the named relation with the related records. |
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454 | * Note that this method does not check if the relation exists or not. |
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455 | * @param string $name the relation name, e.g. `orders` for a relation defined via `getOrders()` method (case-sensitive). |
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456 | * @param ActiveRecordInterface|array|null $records the related records to be populated into the relation. |
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457 | * @see getRelation() |
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458 | */ |
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459 | 123 | public function populateRelation($name, $records) |
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460 | { |
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461 | 123 | foreach ($this->_relationsDependencies as $attribute => $relationNames) { |
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462 | 27 | if (isset($relationNames[$name])) { |
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463 | 27 | unset($this->_relationsDependencies[$attribute][$name]); |
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464 | } |
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465 | } |
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466 | |||
467 | 123 | $this->_related[$name] = $records; |
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468 | 123 | } |
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469 | |||
470 | /** |
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471 | * Check whether the named relation has been populated with records. |
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472 | * @param string $name the relation name, e.g. `orders` for a relation defined via `getOrders()` method (case-sensitive). |
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473 | * @return bool whether relation has been populated with records. |
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474 | * @see getRelation() |
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475 | */ |
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476 | 48 | public function isRelationPopulated($name) |
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477 | { |
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478 | 48 | return array_key_exists($name, $this->_related); |
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479 | } |
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480 | |||
481 | /** |
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482 | * Returns all populated related records. |
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483 | * @return array an array of related records indexed by relation names. |
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484 | * @see getRelation() |
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485 | */ |
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486 | 6 | public function getRelatedRecords() |
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487 | { |
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488 | 6 | return $this->_related; |
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489 | } |
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490 | |||
491 | /** |
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492 | * Returns a value indicating whether the model has an attribute with the specified name. |
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493 | * @param string $name the name of the attribute |
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494 | * @return bool whether the model has an attribute with the specified name. |
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495 | */ |
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496 | 294 | public function hasAttribute($name) |
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497 | { |
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498 | 294 | return isset($this->_attributes[$name]) || in_array($name, $this->attributes(), true); |
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499 | } |
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500 | |||
501 | /** |
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502 | * Returns the named attribute value. |
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503 | * If this record is the result of a query and the attribute is not loaded, |
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504 | * `null` will be returned. |
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505 | * @param string $name the attribute name |
||
506 | * @return mixed the attribute value. `null` if the attribute is not set or does not exist. |
||
507 | * @see hasAttribute() |
||
508 | */ |
||
509 | public function getAttribute($name) |
||
510 | { |
||
511 | return isset($this->_attributes[$name]) ? $this->_attributes[$name] : null; |
||
512 | } |
||
513 | |||
514 | /** |
||
515 | * Sets the named attribute value. |
||
516 | * @param string $name the attribute name |
||
517 | * @param mixed $value the attribute value. |
||
518 | * @throws InvalidArgumentException if the named attribute does not exist. |
||
519 | * @see hasAttribute() |
||
520 | */ |
||
521 | 89 | public function setAttribute($name, $value) |
|
522 | { |
||
523 | 89 | if ($this->hasAttribute($name)) { |
|
524 | if ( |
||
525 | 89 | !empty($this->_relationsDependencies[$name]) |
|
526 | 89 | && (!array_key_exists($name, $this->_attributes) || $this->_attributes[$name] !== $value) |
|
527 | ) { |
||
528 | 6 | $this->resetDependentRelations($name); |
|
529 | } |
||
530 | 89 | $this->_attributes[$name] = $value; |
|
531 | } else { |
||
532 | throw new InvalidArgumentException(get_class($this) . ' has no attribute named "' . $name . '".'); |
||
533 | } |
||
534 | 89 | } |
|
535 | |||
536 | /** |
||
537 | * Returns the old attribute values. |
||
538 | * @return array the old attribute values (name-value pairs) |
||
539 | */ |
||
540 | public function getOldAttributes() |
||
541 | { |
||
542 | return $this->_oldAttributes === null ? [] : $this->_oldAttributes; |
||
543 | } |
||
544 | |||
545 | /** |
||
546 | * Sets the old attribute values. |
||
547 | * All existing old attribute values will be discarded. |
||
548 | * @param array|null $values old attribute values to be set. |
||
549 | * If set to `null` this record is considered to be [[isNewRecord|new]]. |
||
550 | */ |
||
551 | 100 | public function setOldAttributes($values) |
|
552 | { |
||
553 | 100 | $this->_oldAttributes = $values; |
|
554 | 100 | } |
|
555 | |||
556 | /** |
||
557 | * Returns the old value of the named attribute. |
||
558 | * If this record is the result of a query and the attribute is not loaded, |
||
559 | * `null` will be returned. |
||
560 | * @param string $name the attribute name |
||
561 | * @return mixed the old attribute value. `null` if the attribute is not loaded before |
||
562 | * or does not exist. |
||
563 | * @see hasAttribute() |
||
564 | */ |
||
565 | public function getOldAttribute($name) |
||
566 | { |
||
567 | return isset($this->_oldAttributes[$name]) ? $this->_oldAttributes[$name] : null; |
||
568 | } |
||
569 | |||
570 | /** |
||
571 | * Sets the old value of the named attribute. |
||
572 | * @param string $name the attribute name |
||
573 | * @param mixed $value the old attribute value. |
||
574 | * @throws InvalidArgumentException if the named attribute does not exist. |
||
575 | * @see hasAttribute() |
||
576 | */ |
||
577 | public function setOldAttribute($name, $value) |
||
578 | { |
||
579 | if (isset($this->_oldAttributes[$name]) || $this->hasAttribute($name)) { |
||
580 | $this->_oldAttributes[$name] = $value; |
||
581 | } else { |
||
582 | throw new InvalidArgumentException(get_class($this) . ' has no attribute named "' . $name . '".'); |
||
583 | } |
||
584 | } |
||
585 | |||
586 | /** |
||
587 | * Marks an attribute dirty. |
||
588 | * This method may be called to force updating a record when calling [[update()]], |
||
589 | * even if there is no change being made to the record. |
||
590 | * @param string $name the attribute name |
||
591 | */ |
||
592 | 6 | public function markAttributeDirty($name) |
|
593 | { |
||
594 | 6 | unset($this->_oldAttributes[$name]); |
|
595 | 6 | } |
|
596 | |||
597 | /** |
||
598 | * Returns a value indicating whether the named attribute has been changed. |
||
599 | * @param string $name the name of the attribute. |
||
600 | * @param bool $identical whether the comparison of new and old value is made for |
||
601 | * identical values using `===`, defaults to `true`. Otherwise `==` is used for comparison. |
||
602 | * This parameter is available since version 2.0.4. |
||
603 | * @return bool whether the attribute has been changed |
||
604 | */ |
||
605 | 2 | public function isAttributeChanged($name, $identical = true) |
|
606 | { |
||
607 | 2 | if (isset($this->_attributes[$name], $this->_oldAttributes[$name])) { |
|
608 | 1 | if ($identical) { |
|
609 | 1 | return $this->_attributes[$name] !== $this->_oldAttributes[$name]; |
|
610 | } |
||
611 | |||
612 | return $this->_attributes[$name] != $this->_oldAttributes[$name]; |
||
613 | } |
||
614 | |||
615 | 1 | return isset($this->_attributes[$name]) || isset($this->_oldAttributes[$name]); |
|
616 | } |
||
617 | |||
618 | /** |
||
619 | * Returns the attribute values that have been modified since they are loaded or saved most recently. |
||
620 | * |
||
621 | * The comparison of new and old values is made for identical values using `===`. |
||
622 | * |
||
623 | * @param string[]|null $names the names of the attributes whose values may be returned if they are |
||
624 | * changed recently. If null, [[attributes()]] will be used. |
||
625 | * @return array the changed attribute values (name-value pairs) |
||
626 | */ |
||
627 | 110 | public function getDirtyAttributes($names = null) |
|
628 | { |
||
629 | 110 | if ($names === null) { |
|
630 | 107 | $names = $this->attributes(); |
|
631 | } |
||
632 | 110 | $names = array_flip($names); |
|
633 | 110 | $attributes = []; |
|
634 | 110 | if ($this->_oldAttributes === null) { |
|
635 | 97 | foreach ($this->_attributes as $name => $value) { |
|
636 | 93 | if (isset($names[$name])) { |
|
637 | 97 | $attributes[$name] = $value; |
|
638 | } |
||
639 | } |
||
640 | } else { |
||
641 | 42 | foreach ($this->_attributes as $name => $value) { |
|
642 | 42 | if (isset($names[$name]) && (!array_key_exists($name, $this->_oldAttributes) || $value !== $this->_oldAttributes[$name])) { |
|
643 | 42 | $attributes[$name] = $value; |
|
644 | } |
||
645 | } |
||
646 | } |
||
647 | |||
648 | 110 | return $attributes; |
|
649 | } |
||
650 | |||
651 | /** |
||
652 | * Saves the current record. |
||
653 | * |
||
654 | * This method will call [[insert()]] when [[isNewRecord]] is `true`, or [[update()]] |
||
655 | * when [[isNewRecord]] is `false`. |
||
656 | * |
||
657 | * For example, to save a customer record: |
||
658 | * |
||
659 | * ```php |
||
660 | * $customer = new Customer; // or $customer = Customer::findOne($id); |
||
661 | * $customer->name = $name; |
||
662 | * $customer->email = $email; |
||
663 | * $customer->save(); |
||
664 | * ``` |
||
665 | * |
||
666 | * @param bool $runValidation whether to perform validation (calling [[validate()]]) |
||
667 | * before saving the record. Defaults to `true`. If the validation fails, the record |
||
668 | * will not be saved to the database and this method will return `false`. |
||
669 | * @param array $attributeNames list of attribute names that need to be saved. Defaults to null, |
||
670 | * meaning all attributes that are loaded from DB will be saved. |
||
671 | * @return bool whether the saving succeeded (i.e. no validation errors occurred). |
||
672 | */ |
||
673 | 104 | public function save($runValidation = true, $attributeNames = null) |
|
674 | { |
||
675 | 104 | if ($this->getIsNewRecord()) { |
|
676 | 91 | return $this->insert($runValidation, $attributeNames); |
|
677 | } |
||
678 | |||
679 | 28 | return $this->update($runValidation, $attributeNames) !== false; |
|
680 | } |
||
681 | |||
682 | /** |
||
683 | * Saves the changes to this active record into the associated database table. |
||
684 | * |
||
685 | * This method performs the following steps in order: |
||
686 | * |
||
687 | * 1. call [[beforeValidate()]] when `$runValidation` is `true`. If [[beforeValidate()]] |
||
688 | * returns `false`, the rest of the steps will be skipped; |
||
689 | * 2. call [[afterValidate()]] when `$runValidation` is `true`. If validation |
||
690 | * failed, the rest of the steps will be skipped; |
||
691 | * 3. call [[beforeSave()]]. If [[beforeSave()]] returns `false`, |
||
692 | * the rest of the steps will be skipped; |
||
693 | * 4. save the record into database. If this fails, it will skip the rest of the steps; |
||
694 | * 5. call [[afterSave()]]; |
||
695 | * |
||
696 | * In the above step 1, 2, 3 and 5, events [[EVENT_BEFORE_VALIDATE]], |
||
697 | * [[EVENT_AFTER_VALIDATE]], [[EVENT_BEFORE_UPDATE]], and [[EVENT_AFTER_UPDATE]] |
||
698 | * will be raised by the corresponding methods. |
||
699 | * |
||
700 | * Only the [[dirtyAttributes|changed attribute values]] will be saved into database. |
||
701 | * |
||
702 | * For example, to update a customer record: |
||
703 | * |
||
704 | * ```php |
||
705 | * $customer = Customer::findOne($id); |
||
706 | * $customer->name = $name; |
||
707 | * $customer->email = $email; |
||
708 | * $customer->update(); |
||
709 | * ``` |
||
710 | * |
||
711 | * Note that it is possible the update does not affect any row in the table. |
||
712 | * In this case, this method will return 0. For this reason, you should use the following |
||
713 | * code to check if update() is successful or not: |
||
714 | * |
||
715 | * ```php |
||
716 | * if ($customer->update() !== false) { |
||
717 | * // update successful |
||
718 | * } else { |
||
719 | * // update failed |
||
720 | * } |
||
721 | * ``` |
||
722 | * |
||
723 | * @param bool $runValidation whether to perform validation (calling [[validate()]]) |
||
724 | * before saving the record. Defaults to `true`. If the validation fails, the record |
||
725 | * will not be saved to the database and this method will return `false`. |
||
726 | * @param array $attributeNames list of attribute names that need to be saved. Defaults to null, |
||
727 | * meaning all attributes that are loaded from DB will be saved. |
||
728 | * @return int|false the number of rows affected, or `false` if validation fails |
||
729 | * or [[beforeSave()]] stops the updating process. |
||
730 | * @throws StaleObjectException if [[optimisticLock|optimistic locking]] is enabled and the data |
||
731 | * being updated is outdated. |
||
732 | * @throws Exception in case update failed. |
||
733 | */ |
||
734 | public function update($runValidation = true, $attributeNames = null) |
||
735 | { |
||
736 | if ($runValidation && !$this->validate($attributeNames)) { |
||
737 | return false; |
||
738 | } |
||
739 | |||
740 | return $this->updateInternal($attributeNames); |
||
741 | } |
||
742 | |||
743 | /** |
||
744 | * Updates the specified attributes. |
||
745 | * |
||
746 | * This method is a shortcut to [[update()]] when data validation is not needed |
||
747 | * and only a small set attributes need to be updated. |
||
748 | * |
||
749 | * You may specify the attributes to be updated as name list or name-value pairs. |
||
750 | * If the latter, the corresponding attribute values will be modified accordingly. |
||
751 | * The method will then save the specified attributes into database. |
||
752 | * |
||
753 | * Note that this method will **not** perform data validation and will **not** trigger events. |
||
754 | * |
||
755 | * @param array $attributes the attributes (names or name-value pairs) to be updated |
||
756 | * @return int the number of rows affected. |
||
757 | */ |
||
758 | 4 | public function updateAttributes($attributes) |
|
759 | { |
||
760 | 4 | $attrs = []; |
|
761 | 4 | foreach ($attributes as $name => $value) { |
|
762 | 4 | if (is_int($name)) { |
|
763 | $attrs[] = $value; |
||
764 | } else { |
||
765 | 4 | $this->$name = $value; |
|
766 | 4 | $attrs[] = $name; |
|
767 | } |
||
768 | } |
||
769 | |||
770 | 4 | $values = $this->getDirtyAttributes($attrs); |
|
771 | 4 | if (empty($values) || $this->getIsNewRecord()) { |
|
772 | 4 | return 0; |
|
773 | } |
||
774 | |||
775 | 3 | $rows = static::updateAll($values, $this->getOldPrimaryKey(true)); |
|
776 | |||
777 | 3 | foreach ($values as $name => $value) { |
|
778 | 3 | $this->_oldAttributes[$name] = $this->_attributes[$name]; |
|
779 | } |
||
780 | |||
781 | 3 | return $rows; |
|
782 | } |
||
783 | |||
784 | /** |
||
785 | * @see update() |
||
786 | * @param array $attributes attributes to update |
||
787 | * @return int|false the number of rows affected, or false if [[beforeSave()]] stops the updating process. |
||
788 | * @throws StaleObjectException |
||
789 | */ |
||
790 | 38 | protected function updateInternal($attributes = null) |
|
791 | { |
||
792 | 38 | if (!$this->beforeSave(false)) { |
|
793 | return false; |
||
794 | } |
||
795 | 38 | $values = $this->getDirtyAttributes($attributes); |
|
796 | 38 | if (empty($values)) { |
|
797 | 3 | $this->afterSave(false, $values); |
|
798 | 3 | return 0; |
|
799 | } |
||
800 | 36 | $condition = $this->getOldPrimaryKey(true); |
|
801 | 36 | $lock = $this->optimisticLock(); |
|
802 | 36 | if ($lock !== null) { |
|
803 | 3 | $values[$lock] = $this->$lock + 1; |
|
804 | 3 | $condition[$lock] = $this->$lock; |
|
805 | } |
||
806 | // We do not check the return value of updateAll() because it's possible |
||
807 | // that the UPDATE statement doesn't change anything and thus returns 0. |
||
808 | 36 | $rows = static::updateAll($values, $condition); |
|
809 | |||
810 | 36 | if ($lock !== null && !$rows) { |
|
811 | 3 | throw new StaleObjectException('The object being updated is outdated.'); |
|
812 | } |
||
813 | |||
814 | 36 | if (isset($values[$lock])) { |
|
815 | 3 | $this->$lock = $values[$lock]; |
|
816 | } |
||
817 | |||
818 | 36 | $changedAttributes = []; |
|
819 | 36 | foreach ($values as $name => $value) { |
|
820 | 36 | $changedAttributes[$name] = isset($this->_oldAttributes[$name]) ? $this->_oldAttributes[$name] : null; |
|
821 | 36 | $this->_oldAttributes[$name] = $value; |
|
822 | } |
||
823 | 36 | $this->afterSave(false, $changedAttributes); |
|
824 | |||
825 | 36 | return $rows; |
|
826 | } |
||
827 | |||
828 | /** |
||
829 | * Updates one or several counter columns for the current AR object. |
||
830 | * Note that this method differs from [[updateAllCounters()]] in that it only |
||
831 | * saves counters for the current AR object. |
||
832 | * |
||
833 | * An example usage is as follows: |
||
834 | * |
||
835 | * ```php |
||
836 | * $post = Post::findOne($id); |
||
837 | * $post->updateCounters(['view_count' => 1]); |
||
838 | * ``` |
||
839 | * |
||
840 | * @param array $counters the counters to be updated (attribute name => increment value) |
||
841 | * Use negative values if you want to decrement the counters. |
||
842 | * @return bool whether the saving is successful |
||
843 | * @see updateAllCounters() |
||
844 | */ |
||
845 | 6 | public function updateCounters($counters) |
|
846 | { |
||
847 | 6 | if (static::updateAllCounters($counters, $this->getOldPrimaryKey(true)) > 0) { |
|
848 | 6 | foreach ($counters as $name => $value) { |
|
849 | 6 | if (!isset($this->_attributes[$name])) { |
|
850 | 3 | $this->_attributes[$name] = $value; |
|
851 | } else { |
||
852 | 3 | $this->_attributes[$name] += $value; |
|
853 | } |
||
854 | 6 | $this->_oldAttributes[$name] = $this->_attributes[$name]; |
|
855 | } |
||
856 | |||
857 | 6 | return true; |
|
858 | } |
||
859 | |||
860 | return false; |
||
861 | } |
||
862 | |||
863 | /** |
||
864 | * Deletes the table row corresponding to this active record. |
||
865 | * |
||
866 | * This method performs the following steps in order: |
||
867 | * |
||
868 | * 1. call [[beforeDelete()]]. If the method returns `false`, it will skip the |
||
869 | * rest of the steps; |
||
870 | * 2. delete the record from the database; |
||
871 | * 3. call [[afterDelete()]]. |
||
872 | * |
||
873 | * In the above step 1 and 3, events named [[EVENT_BEFORE_DELETE]] and [[EVENT_AFTER_DELETE]] |
||
874 | * will be raised by the corresponding methods. |
||
875 | * |
||
876 | * @return int|false the number of rows deleted, or `false` if the deletion is unsuccessful for some reason. |
||
877 | * Note that it is possible the number of rows deleted is 0, even though the deletion execution is successful. |
||
878 | * @throws StaleObjectException if [[optimisticLock|optimistic locking]] is enabled and the data |
||
879 | * being deleted is outdated. |
||
880 | * @throws Exception in case delete failed. |
||
881 | */ |
||
882 | public function delete() |
||
883 | { |
||
884 | $result = false; |
||
885 | if ($this->beforeDelete()) { |
||
886 | // we do not check the return value of deleteAll() because it's possible |
||
887 | // the record is already deleted in the database and thus the method will return 0 |
||
888 | $condition = $this->getOldPrimaryKey(true); |
||
889 | $lock = $this->optimisticLock(); |
||
890 | if ($lock !== null) { |
||
891 | $condition[$lock] = $this->$lock; |
||
892 | } |
||
893 | $result = static::deleteAll($condition); |
||
894 | if ($lock !== null && !$result) { |
||
895 | throw new StaleObjectException('The object being deleted is outdated.'); |
||
896 | } |
||
897 | $this->_oldAttributes = null; |
||
898 | $this->afterDelete(); |
||
899 | } |
||
900 | |||
901 | return $result; |
||
902 | } |
||
903 | |||
904 | /** |
||
905 | * Returns a value indicating whether the current record is new. |
||
906 | * @return bool whether the record is new and should be inserted when calling [[save()]]. |
||
907 | */ |
||
908 | 147 | public function getIsNewRecord() |
|
909 | { |
||
910 | 147 | return $this->_oldAttributes === null; |
|
911 | } |
||
912 | |||
913 | /** |
||
914 | * Sets the value indicating whether the record is new. |
||
915 | * @param bool $value whether the record is new and should be inserted when calling [[save()]]. |
||
916 | * @see getIsNewRecord() |
||
917 | */ |
||
918 | public function setIsNewRecord($value) |
||
919 | { |
||
920 | $this->_oldAttributes = $value ? null : $this->_attributes; |
||
921 | } |
||
922 | |||
923 | /** |
||
924 | * Initializes the object. |
||
925 | * This method is called at the end of the constructor. |
||
926 | * The default implementation will trigger an [[EVENT_INIT]] event. |
||
927 | */ |
||
928 | 423 | public function init() |
|
929 | { |
||
930 | 423 | parent::init(); |
|
931 | 423 | $this->trigger(self::EVENT_INIT); |
|
932 | 423 | } |
|
933 | |||
934 | /** |
||
935 | * This method is called when the AR object is created and populated with the query result. |
||
936 | * The default implementation will trigger an [[EVENT_AFTER_FIND]] event. |
||
937 | * When overriding this method, make sure you call the parent implementation to ensure the |
||
938 | * event is triggered. |
||
939 | */ |
||
940 | 322 | public function afterFind() |
|
941 | { |
||
942 | 322 | $this->trigger(self::EVENT_AFTER_FIND); |
|
943 | 322 | } |
|
944 | |||
945 | /** |
||
946 | * This method is called at the beginning of inserting or updating a record. |
||
947 | * |
||
948 | * The default implementation will trigger an [[EVENT_BEFORE_INSERT]] event when `$insert` is `true`, |
||
949 | * or an [[EVENT_BEFORE_UPDATE]] event if `$insert` is `false`. |
||
950 | * When overriding this method, make sure you call the parent implementation like the following: |
||
951 | * |
||
952 | * ```php |
||
953 | * public function beforeSave($insert) |
||
954 | * { |
||
955 | * if (!parent::beforeSave($insert)) { |
||
956 | * return false; |
||
957 | * } |
||
958 | * |
||
959 | * // ...custom code here... |
||
960 | * return true; |
||
961 | * } |
||
962 | * ``` |
||
963 | * |
||
964 | * @param bool $insert whether this method called while inserting a record. |
||
965 | * If `false`, it means the method is called while updating a record. |
||
966 | * @return bool whether the insertion or updating should continue. |
||
967 | * If `false`, the insertion or updating will be cancelled. |
||
968 | */ |
||
969 | 114 | public function beforeSave($insert) |
|
970 | { |
||
971 | 114 | $event = new ModelEvent(); |
|
972 | 114 | $this->trigger($insert ? self::EVENT_BEFORE_INSERT : self::EVENT_BEFORE_UPDATE, $event); |
|
973 | |||
974 | 114 | return $event->isValid; |
|
975 | } |
||
976 | |||
977 | /** |
||
978 | * This method is called at the end of inserting or updating a record. |
||
979 | * The default implementation will trigger an [[EVENT_AFTER_INSERT]] event when `$insert` is `true`, |
||
980 | * or an [[EVENT_AFTER_UPDATE]] event if `$insert` is `false`. The event class used is [[AfterSaveEvent]]. |
||
981 | * When overriding this method, make sure you call the parent implementation so that |
||
982 | * the event is triggered. |
||
983 | * @param bool $insert whether this method called while inserting a record. |
||
984 | * If `false`, it means the method is called while updating a record. |
||
985 | * @param array $changedAttributes The old values of attributes that had changed and were saved. |
||
986 | * You can use this parameter to take action based on the changes made for example send an email |
||
987 | * when the password had changed or implement audit trail that tracks all the changes. |
||
988 | * `$changedAttributes` gives you the old attribute values while the active record (`$this`) has |
||
989 | * already the new, updated values. |
||
990 | * |
||
991 | * Note that no automatic type conversion performed by default. You may use |
||
992 | * [[\yii\behaviors\AttributeTypecastBehavior]] to facilitate attribute typecasting. |
||
993 | * See http://www.yiiframework.com/doc-2.0/guide-db-active-record.html#attributes-typecasting. |
||
994 | */ |
||
995 | 107 | public function afterSave($insert, $changedAttributes) |
|
996 | { |
||
997 | 107 | $this->trigger($insert ? self::EVENT_AFTER_INSERT : self::EVENT_AFTER_UPDATE, new AfterSaveEvent([ |
|
998 | 107 | 'changedAttributes' => $changedAttributes, |
|
999 | ])); |
||
1000 | 107 | } |
|
1001 | |||
1002 | /** |
||
1003 | * This method is invoked before deleting a record. |
||
1004 | * |
||
1005 | * The default implementation raises the [[EVENT_BEFORE_DELETE]] event. |
||
1006 | * When overriding this method, make sure you call the parent implementation like the following: |
||
1007 | * |
||
1008 | * ```php |
||
1009 | * public function beforeDelete() |
||
1010 | * { |
||
1011 | * if (!parent::beforeDelete()) { |
||
1012 | * return false; |
||
1013 | * } |
||
1014 | * |
||
1015 | * // ...custom code here... |
||
1016 | * return true; |
||
1017 | * } |
||
1018 | * ``` |
||
1019 | * |
||
1020 | * @return bool whether the record should be deleted. Defaults to `true`. |
||
1021 | */ |
||
1022 | 6 | public function beforeDelete() |
|
1023 | { |
||
1024 | 6 | $event = new ModelEvent(); |
|
1025 | 6 | $this->trigger(self::EVENT_BEFORE_DELETE, $event); |
|
1026 | |||
1027 | 6 | return $event->isValid; |
|
1028 | } |
||
1029 | |||
1030 | /** |
||
1031 | * This method is invoked after deleting a record. |
||
1032 | * The default implementation raises the [[EVENT_AFTER_DELETE]] event. |
||
1033 | * You may override this method to do postprocessing after the record is deleted. |
||
1034 | * Make sure you call the parent implementation so that the event is raised properly. |
||
1035 | */ |
||
1036 | 6 | public function afterDelete() |
|
1037 | { |
||
1038 | 6 | $this->trigger(self::EVENT_AFTER_DELETE); |
|
1039 | 6 | } |
|
1040 | |||
1041 | /** |
||
1042 | * Repopulates this active record with the latest data. |
||
1043 | * |
||
1044 | * If the refresh is successful, an [[EVENT_AFTER_REFRESH]] event will be triggered. |
||
1045 | * This event is available since version 2.0.8. |
||
1046 | * |
||
1047 | * @return bool whether the row still exists in the database. If `true`, the latest data |
||
1048 | * will be populated to this active record. Otherwise, this record will remain unchanged. |
||
1049 | */ |
||
1050 | public function refresh() |
||
1051 | { |
||
1052 | /* @var $record BaseActiveRecord */ |
||
1053 | $record = static::findOne($this->getPrimaryKey(true)); |
||
1054 | return $this->refreshInternal($record); |
||
1055 | } |
||
1056 | |||
1057 | /** |
||
1058 | * Repopulates this active record with the latest data from a newly fetched instance. |
||
1059 | * @param BaseActiveRecord $record the record to take attributes from. |
||
1060 | * @return bool whether refresh was successful. |
||
1061 | * @see refresh() |
||
1062 | * @since 2.0.13 |
||
1063 | */ |
||
1064 | 29 | protected function refreshInternal($record) |
|
1065 | { |
||
1066 | 29 | if ($record === null) { |
|
1067 | 3 | return false; |
|
1068 | } |
||
1069 | 29 | foreach ($this->attributes() as $name) { |
|
1070 | 29 | $this->_attributes[$name] = isset($record->_attributes[$name]) ? $record->_attributes[$name] : null; |
|
1071 | } |
||
1072 | 29 | $this->_oldAttributes = $record->_oldAttributes; |
|
1073 | 29 | $this->_related = []; |
|
1074 | 29 | $this->_relationsDependencies = []; |
|
1075 | 29 | $this->afterRefresh(); |
|
1076 | |||
1077 | 29 | return true; |
|
1078 | } |
||
1079 | |||
1080 | /** |
||
1081 | * This method is called when the AR object is refreshed. |
||
1082 | * The default implementation will trigger an [[EVENT_AFTER_REFRESH]] event. |
||
1083 | * When overriding this method, make sure you call the parent implementation to ensure the |
||
1084 | * event is triggered. |
||
1085 | * @since 2.0.8 |
||
1086 | */ |
||
1087 | 29 | public function afterRefresh() |
|
1088 | { |
||
1089 | 29 | $this->trigger(self::EVENT_AFTER_REFRESH); |
|
1090 | 29 | } |
|
1091 | |||
1092 | /** |
||
1093 | * Returns a value indicating whether the given active record is the same as the current one. |
||
1094 | * The comparison is made by comparing the table names and the primary key values of the two active records. |
||
1095 | * If one of the records [[isNewRecord|is new]] they are also considered not equal. |
||
1096 | * @param ActiveRecordInterface $record record to compare to |
||
1097 | * @return bool whether the two active records refer to the same row in the same database table. |
||
1098 | */ |
||
1099 | public function equals($record) |
||
1100 | { |
||
1101 | if ($this->getIsNewRecord() || $record->getIsNewRecord()) { |
||
1102 | return false; |
||
1103 | } |
||
1104 | |||
1105 | return get_class($this) === get_class($record) && $this->getPrimaryKey() === $record->getPrimaryKey(); |
||
1106 | } |
||
1107 | |||
1108 | /** |
||
1109 | * Returns the primary key value(s). |
||
1110 | * @param bool $asArray whether to return the primary key value as an array. If `true`, |
||
1111 | * the return value will be an array with column names as keys and column values as values. |
||
1112 | * Note that for composite primary keys, an array will always be returned regardless of this parameter value. |
||
1113 | * @property mixed The primary key value. An array (column name => column value) is returned if |
||
1114 | * the primary key is composite. A string is returned otherwise (null will be returned if |
||
1115 | * the key value is null). |
||
1116 | * @return mixed the primary key value. An array (column name => column value) is returned if the primary key |
||
1117 | * is composite or `$asArray` is `true`. A string is returned otherwise (null will be returned if |
||
1118 | * the key value is null). |
||
1119 | */ |
||
1120 | 45 | public function getPrimaryKey($asArray = false) |
|
1121 | { |
||
1122 | 45 | $keys = $this->primaryKey(); |
|
1123 | 45 | if (!$asArray && count($keys) === 1) { |
|
1124 | 19 | return isset($this->_attributes[$keys[0]]) ? $this->_attributes[$keys[0]] : null; |
|
1125 | } |
||
1126 | |||
1127 | 29 | $values = []; |
|
1128 | 29 | foreach ($keys as $name) { |
|
1129 | 29 | $values[$name] = isset($this->_attributes[$name]) ? $this->_attributes[$name] : null; |
|
1130 | } |
||
1131 | |||
1132 | 29 | return $values; |
|
1133 | } |
||
1134 | |||
1135 | /** |
||
1136 | * Returns the old primary key value(s). |
||
1137 | * This refers to the primary key value that is populated into the record |
||
1138 | * after executing a find method (e.g. find(), findOne()). |
||
1139 | * The value remains unchanged even if the primary key attribute is manually assigned with a different value. |
||
1140 | * @param bool $asArray whether to return the primary key value as an array. If `true`, |
||
1141 | * the return value will be an array with column name as key and column value as value. |
||
1142 | * If this is `false` (default), a scalar value will be returned for non-composite primary key. |
||
1143 | * @property mixed The old primary key value. An array (column name => column value) is |
||
1144 | * returned if the primary key is composite. A string is returned otherwise (null will be |
||
1145 | * returned if the key value is null). |
||
1146 | * @return mixed the old primary key value. An array (column name => column value) is returned if the primary key |
||
1147 | * is composite or `$asArray` is `true`. A string is returned otherwise (null will be returned if |
||
1148 | * the key value is null). |
||
1149 | * @throws Exception if the AR model does not have a primary key |
||
1150 | */ |
||
1151 | 70 | public function getOldPrimaryKey($asArray = false) |
|
1152 | { |
||
1153 | 70 | $keys = $this->primaryKey(); |
|
1154 | 70 | if (empty($keys)) { |
|
1155 | throw new Exception(get_class($this) . ' does not have a primary key. You should either define a primary key for the corresponding table or override the primaryKey() method.'); |
||
1156 | } |
||
1157 | 70 | if (!$asArray && count($keys) === 1) { |
|
1158 | return isset($this->_oldAttributes[$keys[0]]) ? $this->_oldAttributes[$keys[0]] : null; |
||
1159 | } |
||
1160 | |||
1161 | 70 | $values = []; |
|
1162 | 70 | foreach ($keys as $name) { |
|
1163 | 70 | $values[$name] = isset($this->_oldAttributes[$name]) ? $this->_oldAttributes[$name] : null; |
|
1164 | } |
||
1165 | |||
1166 | 70 | return $values; |
|
1167 | } |
||
1168 | |||
1169 | /** |
||
1170 | * Populates an active record object using a row of data from the database/storage. |
||
1171 | * |
||
1172 | * This is an internal method meant to be called to create active record objects after |
||
1173 | * fetching data from the database. It is mainly used by [[ActiveQuery]] to populate |
||
1174 | * the query results into active records. |
||
1175 | * |
||
1176 | * When calling this method manually you should call [[afterFind()]] on the created |
||
1177 | * record to trigger the [[EVENT_AFTER_FIND|afterFind Event]]. |
||
1178 | * |
||
1179 | * @param BaseActiveRecord $record the record to be populated. In most cases this will be an instance |
||
1180 | * created by [[instantiate()]] beforehand. |
||
1181 | * @param array $row attribute values (name => value) |
||
1182 | */ |
||
1183 | 322 | public static function populateRecord($record, $row) |
|
1184 | { |
||
1185 | 322 | $columns = array_flip($record->attributes()); |
|
1186 | 322 | foreach ($row as $name => $value) { |
|
1187 | 322 | if (isset($columns[$name])) { |
|
1188 | 322 | $record->_attributes[$name] = $value; |
|
1189 | 6 | } elseif ($record->canSetProperty($name)) { |
|
1190 | 322 | $record->$name = $value; |
|
1191 | } |
||
1192 | } |
||
1193 | 322 | $record->_oldAttributes = $record->_attributes; |
|
1194 | 322 | $record->_related = []; |
|
1195 | 322 | $record->_relationsDependencies = []; |
|
1196 | 322 | } |
|
1197 | |||
1198 | /** |
||
1199 | * Creates an active record instance. |
||
1200 | * |
||
1201 | * This method is called together with [[populateRecord()]] by [[ActiveQuery]]. |
||
1202 | * It is not meant to be used for creating new records directly. |
||
1203 | * |
||
1204 | * You may override this method if the instance being created |
||
1205 | * depends on the row data to be populated into the record. |
||
1206 | * For example, by creating a record based on the value of a column, |
||
1207 | * you may implement the so-called single-table inheritance mapping. |
||
1208 | * @param array $row row data to be populated into the record. |
||
1209 | * @return static the newly created active record |
||
1210 | */ |
||
1211 | 316 | public static function instantiate($row) |
|
1212 | { |
||
1213 | 316 | return new static(); |
|
1214 | } |
||
1215 | |||
1216 | /** |
||
1217 | * Returns whether there is an element at the specified offset. |
||
1218 | * This method is required by the interface [[\ArrayAccess]]. |
||
1219 | * @param mixed $offset the offset to check on |
||
1220 | * @return bool whether there is an element at the specified offset. |
||
1221 | */ |
||
1222 | 33 | public function offsetExists($offset) |
|
1223 | { |
||
1224 | 33 | return $this->__isset($offset); |
|
1225 | } |
||
1226 | |||
1227 | /** |
||
1228 | * Returns the relation object with the specified name. |
||
1229 | * A relation is defined by a getter method which returns an [[ActiveQueryInterface]] object. |
||
1230 | * It can be declared in either the Active Record class itself or one of its behaviors. |
||
1231 | * @param string $name the relation name, e.g. `orders` for a relation defined via `getOrders()` method (case-sensitive). |
||
1232 | * @param bool $throwException whether to throw exception if the relation does not exist. |
||
1233 | * @return ActiveQueryInterface|ActiveQuery the relational query object. If the relation does not exist |
||
1234 | * and `$throwException` is `false`, `null` will be returned. |
||
1235 | * @throws InvalidArgumentException if the named relation does not exist. |
||
1236 | */ |
||
1237 | 150 | public function getRelation($name, $throwException = true) |
|
1238 | { |
||
1239 | 150 | $getter = 'get' . $name; |
|
1240 | try { |
||
1241 | // the relation could be defined in a behavior |
||
1242 | 150 | $relation = $this->$getter(); |
|
1243 | } catch (UnknownMethodException $e) { |
||
1244 | if ($throwException) { |
||
1245 | throw new InvalidArgumentException(get_class($this) . ' has no relation named "' . $name . '".', 0, $e); |
||
1246 | } |
||
1247 | |||
1248 | return null; |
||
1249 | } |
||
1250 | 150 | if (!$relation instanceof ActiveQueryInterface) { |
|
1251 | if ($throwException) { |
||
1252 | throw new InvalidArgumentException(get_class($this) . ' has no relation named "' . $name . '".'); |
||
1253 | } |
||
1254 | |||
1255 | return null; |
||
1256 | } |
||
1257 | |||
1258 | 150 | if (method_exists($this, $getter)) { |
|
1259 | // relation name is case sensitive, trying to validate it when the relation is defined within this class |
||
1260 | 150 | $method = new \ReflectionMethod($this, $getter); |
|
1261 | 150 | $realName = lcfirst(substr($method->getName(), 3)); |
|
1262 | 150 | if ($realName !== $name) { |
|
1263 | if ($throwException) { |
||
1264 | throw new InvalidArgumentException('Relation names are case sensitive. ' . get_class($this) . " has a relation named \"$realName\" instead of \"$name\"."); |
||
1265 | } |
||
1266 | |||
1267 | return null; |
||
1268 | } |
||
1269 | } |
||
1270 | |||
1271 | 150 | return $relation; |
|
1272 | } |
||
1273 | |||
1274 | /** |
||
1275 | * Establishes the relationship between two models. |
||
1276 | * |
||
1277 | * The relationship is established by setting the foreign key value(s) in one model |
||
1278 | * to be the corresponding primary key value(s) in the other model. |
||
1279 | * The model with the foreign key will be saved into database without performing validation. |
||
1280 | * |
||
1281 | * If the relationship involves a junction table, a new row will be inserted into the |
||
1282 | * junction table which contains the primary key values from both models. |
||
1283 | * |
||
1284 | * Note that this method requires that the primary key value is not null. |
||
1285 | * |
||
1286 | * @param string $name the case sensitive name of the relationship, e.g. `orders` for a relation defined via `getOrders()` method. |
||
1287 | * @param ActiveRecordInterface $model the model to be linked with the current one. |
||
1288 | * @param array $extraColumns additional column values to be saved into the junction table. |
||
1289 | * This parameter is only meaningful for a relationship involving a junction table |
||
1290 | * (i.e., a relation set with [[ActiveRelationTrait::via()]] or [[ActiveQuery::viaTable()]].) |
||
1291 | * @throws InvalidCallException if the method is unable to link two models. |
||
1292 | */ |
||
1293 | 9 | public function link($name, $model, $extraColumns = []) |
|
1294 | { |
||
1295 | 9 | $relation = $this->getRelation($name); |
|
1296 | |||
1297 | 9 | if ($relation->via !== null) { |
|
1298 | 3 | if ($this->getIsNewRecord() || $model->getIsNewRecord()) { |
|
1299 | throw new InvalidCallException('Unable to link models: the models being linked cannot be newly created.'); |
||
1300 | } |
||
1301 | 3 | if (is_array($relation->via)) { |
|
1302 | /* @var $viaRelation ActiveQuery */ |
||
1303 | 3 | list($viaName, $viaRelation) = $relation->via; |
|
1304 | 3 | $viaClass = $viaRelation->modelClass; |
|
1305 | // unset $viaName so that it can be reloaded to reflect the change |
||
1306 | 3 | unset($this->_related[$viaName]); |
|
1307 | } else { |
||
1308 | $viaRelation = $relation->via; |
||
1309 | $viaTable = reset($relation->via->from); |
||
1310 | } |
||
1311 | 3 | $columns = []; |
|
1312 | 3 | foreach ($viaRelation->link as $a => $b) { |
|
1313 | 3 | $columns[$a] = $this->$b; |
|
1314 | } |
||
1315 | 3 | foreach ($relation->link as $a => $b) { |
|
1316 | 3 | $columns[$b] = $model->$a; |
|
1317 | } |
||
1318 | 3 | foreach ($extraColumns as $k => $v) { |
|
1319 | 3 | $columns[$k] = $v; |
|
1320 | } |
||
1321 | 3 | if (is_array($relation->via)) { |
|
1322 | /* @var $viaClass ActiveRecordInterface */ |
||
1323 | /* @var $record ActiveRecordInterface */ |
||
1324 | 3 | $record = Yii::createObject($viaClass); |
|
1325 | 3 | foreach ($columns as $column => $value) { |
|
1326 | 3 | $record->$column = $value; |
|
1327 | } |
||
1328 | 3 | $record->insert(false); |
|
1329 | } else { |
||
1330 | /* @var $viaTable string */ |
||
1331 | static::getDb()->createCommand() |
||
1332 | 3 | ->insert($viaTable, $columns)->execute(); |
|
1333 | } |
||
1334 | } else { |
||
1335 | 9 | $p1 = $model->isPrimaryKey(array_keys($relation->link)); |
|
1336 | 9 | $p2 = static::isPrimaryKey(array_values($relation->link)); |
|
1337 | 9 | if ($p1 && $p2) { |
|
1338 | if ($this->getIsNewRecord() && $model->getIsNewRecord()) { |
||
1339 | throw new InvalidCallException('Unable to link models: at most one model can be newly created.'); |
||
1340 | } elseif ($this->getIsNewRecord()) { |
||
1341 | $this->bindModels(array_flip($relation->link), $this, $model); |
||
1342 | } else { |
||
1343 | $this->bindModels($relation->link, $model, $this); |
||
1344 | } |
||
1345 | 9 | } elseif ($p1) { |
|
1346 | 3 | $this->bindModels(array_flip($relation->link), $this, $model); |
|
1347 | 9 | } elseif ($p2) { |
|
1348 | 9 | $this->bindModels($relation->link, $model, $this); |
|
1349 | } else { |
||
1350 | throw new InvalidCallException('Unable to link models: the link defining the relation does not involve any primary key.'); |
||
1351 | } |
||
1352 | } |
||
1353 | |||
1354 | // update lazily loaded related objects |
||
1355 | 9 | if (!$relation->multiple) { |
|
1356 | 3 | $this->_related[$name] = $model; |
|
1357 | 9 | } elseif (isset($this->_related[$name])) { |
|
1358 | 9 | if ($relation->indexBy !== null) { |
|
1359 | 6 | if ($relation->indexBy instanceof \Closure) { |
|
1360 | 3 | $index = call_user_func($relation->indexBy, $model); |
|
1361 | } else { |
||
1362 | 3 | $index = $model->{$relation->indexBy}; |
|
1363 | } |
||
1364 | 6 | $this->_related[$name][$index] = $model; |
|
1365 | } else { |
||
1366 | 3 | $this->_related[$name][] = $model; |
|
1367 | } |
||
1368 | } |
||
1369 | 9 | } |
|
1370 | |||
1371 | /** |
||
1372 | * Destroys the relationship between two models. |
||
1373 | * |
||
1374 | * The model with the foreign key of the relationship will be deleted if `$delete` is `true`. |
||
1375 | * Otherwise, the foreign key will be set `null` and the model will be saved without validation. |
||
1376 | * |
||
1377 | * @param string $name the case sensitive name of the relationship, e.g. `orders` for a relation defined via `getOrders()` method. |
||
1378 | * @param ActiveRecordInterface $model the model to be unlinked from the current one. |
||
1379 | * You have to make sure that the model is really related with the current model as this method |
||
1380 | * does not check this. |
||
1381 | * @param bool $delete whether to delete the model that contains the foreign key. |
||
1382 | * If `false`, the model's foreign key will be set `null` and saved. |
||
1383 | * If `true`, the model containing the foreign key will be deleted. |
||
1384 | * @throws InvalidCallException if the models cannot be unlinked |
||
1385 | */ |
||
1386 | 3 | public function unlink($name, $model, $delete = false) |
|
1387 | { |
||
1388 | 3 | $relation = $this->getRelation($name); |
|
1389 | |||
1390 | 3 | if ($relation->via !== null) { |
|
1391 | 3 | if (is_array($relation->via)) { |
|
1392 | /* @var $viaRelation ActiveQuery */ |
||
1393 | 3 | list($viaName, $viaRelation) = $relation->via; |
|
1394 | 3 | $viaClass = $viaRelation->modelClass; |
|
1395 | 3 | unset($this->_related[$viaName]); |
|
1396 | } else { |
||
1397 | 3 | $viaRelation = $relation->via; |
|
1398 | 3 | $viaTable = reset($relation->via->from); |
|
1399 | } |
||
1400 | 3 | $columns = []; |
|
1401 | 3 | foreach ($viaRelation->link as $a => $b) { |
|
1402 | 3 | $columns[$a] = $this->$b; |
|
1403 | } |
||
1404 | 3 | foreach ($relation->link as $a => $b) { |
|
1405 | 3 | $columns[$b] = $model->$a; |
|
1406 | } |
||
1407 | 3 | $nulls = []; |
|
1408 | 3 | foreach (array_keys($columns) as $a) { |
|
1409 | 3 | $nulls[$a] = null; |
|
1410 | } |
||
1411 | 3 | if (is_array($relation->via)) { |
|
1412 | /* @var $viaClass ActiveRecordInterface */ |
||
1413 | 3 | if ($delete) { |
|
1414 | 3 | $viaClass::deleteAll($columns); |
|
1415 | } else { |
||
1416 | 3 | $viaClass::updateAll($nulls, $columns); |
|
1417 | } |
||
1418 | } else { |
||
1419 | /* @var $viaTable string */ |
||
1420 | /* @var $command Command */ |
||
1421 | 3 | $command = static::getDb()->createCommand(); |
|
1422 | 3 | if ($delete) { |
|
1423 | $command->delete($viaTable, $columns)->execute(); |
||
1424 | } else { |
||
1425 | 3 | $command->update($viaTable, $nulls, $columns)->execute(); |
|
1426 | } |
||
1427 | } |
||
1428 | } else { |
||
1429 | 3 | $p1 = $model->isPrimaryKey(array_keys($relation->link)); |
|
1430 | 3 | $p2 = static::isPrimaryKey(array_values($relation->link)); |
|
1431 | 3 | if ($p2) { |
|
1432 | 3 | if ($delete) { |
|
1433 | 3 | $model->delete(); |
|
1434 | } else { |
||
1435 | 3 | foreach ($relation->link as $a => $b) { |
|
1436 | 3 | $model->$a = null; |
|
1437 | } |
||
1438 | 3 | $model->save(false); |
|
1439 | } |
||
1440 | } elseif ($p1) { |
||
1441 | foreach ($relation->link as $a => $b) { |
||
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|||
1442 | if (is_array($this->$b)) { // relation via array valued attribute |
||
1443 | if (($key = array_search($model->$a, $this->$b, false)) !== false) { |
||
1444 | $values = $this->$b; |
||
1445 | unset($values[$key]); |
||
1446 | $this->$b = array_values($values); |
||
1447 | } |
||
1448 | } else { |
||
1449 | $this->$b = null; |
||
1450 | } |
||
1451 | } |
||
1452 | $delete ? $this->delete() : $this->save(false); |
||
1453 | } else { |
||
1454 | throw new InvalidCallException('Unable to unlink models: the link does not involve any primary key.'); |
||
1455 | } |
||
1456 | } |
||
1457 | |||
1458 | 3 | if (!$relation->multiple) { |
|
1459 | unset($this->_related[$name]); |
||
1460 | 3 | } elseif (isset($this->_related[$name])) { |
|
1461 | /* @var $b ActiveRecordInterface */ |
||
1462 | 3 | foreach ($this->_related[$name] as $a => $b) { |
|
1463 | 3 | if ($model->getPrimaryKey() === $b->getPrimaryKey()) { |
|
1464 | 3 | unset($this->_related[$name][$a]); |
|
1465 | } |
||
1466 | } |
||
1467 | } |
||
1468 | 3 | } |
|
1469 | |||
1470 | /** |
||
1471 | * Destroys the relationship in current model. |
||
1472 | * |
||
1473 | * The model with the foreign key of the relationship will be deleted if `$delete` is `true`. |
||
1474 | * Otherwise, the foreign key will be set `null` and the model will be saved without validation. |
||
1475 | * |
||
1476 | * Note that to destroy the relationship without removing records make sure your keys can be set to null |
||
1477 | * |
||
1478 | * @param string $name the case sensitive name of the relationship, e.g. `orders` for a relation defined via `getOrders()` method. |
||
1479 | * @param bool $delete whether to delete the model that contains the foreign key. |
||
1480 | * |
||
1481 | * Note that the deletion will be performed using [[deleteAll()]], which will not trigger any events on the related models. |
||
1482 | * If you need [[EVENT_BEFORE_DELETE]] or [[EVENT_AFTER_DELETE]] to be triggered, you need to [[find()|find]] the models first |
||
1483 | * and then call [[delete()]] on each of them. |
||
1484 | */ |
||
1485 | 18 | public function unlinkAll($name, $delete = false) |
|
1486 | { |
||
1487 | 18 | $relation = $this->getRelation($name); |
|
1488 | |||
1489 | 18 | if ($relation->via !== null) { |
|
1490 | 9 | if (is_array($relation->via)) { |
|
1491 | /* @var $viaRelation ActiveQuery */ |
||
1492 | 6 | list($viaName, $viaRelation) = $relation->via; |
|
1493 | 6 | $viaClass = $viaRelation->modelClass; |
|
1494 | 6 | unset($this->_related[$viaName]); |
|
1495 | } else { |
||
1496 | 3 | $viaRelation = $relation->via; |
|
1497 | 3 | $viaTable = reset($relation->via->from); |
|
1498 | } |
||
1499 | 9 | $condition = []; |
|
1500 | 9 | $nulls = []; |
|
1501 | 9 | foreach ($viaRelation->link as $a => $b) { |
|
1502 | 9 | $nulls[$a] = null; |
|
1503 | 9 | $condition[$a] = $this->$b; |
|
1504 | } |
||
1505 | 9 | if (!empty($viaRelation->where)) { |
|
1506 | $condition = ['and', $condition, $viaRelation->where]; |
||
1507 | } |
||
1508 | 9 | if (!empty($viaRelation->on)) { |
|
1509 | $condition = ['and', $condition, $viaRelation->on]; |
||
1510 | } |
||
1511 | 9 | if (is_array($relation->via)) { |
|
1512 | /* @var $viaClass ActiveRecordInterface */ |
||
1513 | 6 | if ($delete) { |
|
1514 | 6 | $viaClass::deleteAll($condition); |
|
1515 | } else { |
||
1516 | 6 | $viaClass::updateAll($nulls, $condition); |
|
1517 | } |
||
1518 | } else { |
||
1519 | /* @var $viaTable string */ |
||
1520 | /* @var $command Command */ |
||
1521 | 3 | $command = static::getDb()->createCommand(); |
|
1522 | 3 | if ($delete) { |
|
1523 | 3 | $command->delete($viaTable, $condition)->execute(); |
|
1524 | } else { |
||
1525 | 9 | $command->update($viaTable, $nulls, $condition)->execute(); |
|
1526 | } |
||
1527 | } |
||
1528 | } else { |
||
1529 | /* @var $relatedModel ActiveRecordInterface */ |
||
1530 | 12 | $relatedModel = $relation->modelClass; |
|
1531 | 12 | if (!$delete && count($relation->link) === 1 && is_array($this->{$b = reset($relation->link)})) { |
|
1532 | // relation via array valued attribute |
||
1533 | $this->$b = []; |
||
1534 | $this->save(false); |
||
1535 | } else { |
||
1536 | 12 | $nulls = []; |
|
1537 | 12 | $condition = []; |
|
1538 | 12 | foreach ($relation->link as $a => $b) { |
|
1539 | 12 | $nulls[$a] = null; |
|
1540 | 12 | $condition[$a] = $this->$b; |
|
1541 | } |
||
1542 | 12 | if (!empty($relation->where)) { |
|
1543 | 6 | $condition = ['and', $condition, $relation->where]; |
|
1544 | } |
||
1545 | 12 | if (!empty($relation->on)) { |
|
1546 | 3 | $condition = ['and', $condition, $relation->on]; |
|
1547 | } |
||
1548 | 12 | if ($delete) { |
|
1549 | 9 | $relatedModel::deleteAll($condition); |
|
1550 | } else { |
||
1551 | 6 | $relatedModel::updateAll($nulls, $condition); |
|
1552 | } |
||
1553 | } |
||
1554 | } |
||
1555 | |||
1556 | 18 | unset($this->_related[$name]); |
|
1557 | 18 | } |
|
1558 | |||
1559 | /** |
||
1560 | * @param array $link |
||
1561 | * @param ActiveRecordInterface $foreignModel |
||
1562 | * @param ActiveRecordInterface $primaryModel |
||
1563 | * @throws InvalidCallException |
||
1564 | */ |
||
1565 | 9 | private function bindModels($link, $foreignModel, $primaryModel) |
|
1566 | { |
||
1567 | 9 | foreach ($link as $fk => $pk) { |
|
1568 | 9 | $value = $primaryModel->$pk; |
|
1569 | 9 | if ($value === null) { |
|
1570 | throw new InvalidCallException('Unable to link models: the primary key of ' . get_class($primaryModel) . ' is null.'); |
||
1571 | } |
||
1572 | 9 | if (is_array($foreignModel->$fk)) { // relation via array valued attribute |
|
1573 | $foreignModel->$fk = array_merge($foreignModel->$fk, [$value]); |
||
1574 | } else { |
||
1575 | 9 | $foreignModel->$fk = $value; |
|
1576 | } |
||
1577 | } |
||
1578 | 9 | $foreignModel->save(false); |
|
1579 | 9 | } |
|
1580 | |||
1581 | /** |
||
1582 | * Returns a value indicating whether the given set of attributes represents the primary key for this model. |
||
1583 | * @param array $keys the set of attributes to check |
||
1584 | * @return bool whether the given set of attributes represents the primary key for this model |
||
1585 | */ |
||
1586 | 15 | public static function isPrimaryKey($keys) |
|
1587 | { |
||
1588 | 15 | $pks = static::primaryKey(); |
|
1589 | 15 | if (count($keys) === count($pks)) { |
|
1590 | 15 | return count(array_intersect($keys, $pks)) === count($pks); |
|
1591 | } |
||
1592 | |||
1593 | 9 | return false; |
|
1594 | } |
||
1595 | |||
1596 | /** |
||
1597 | * Returns the text label for the specified attribute. |
||
1598 | * If the attribute looks like `relatedModel.attribute`, then the attribute will be received from the related model. |
||
1599 | * @param string $attribute the attribute name |
||
1600 | * @return string the attribute label |
||
1601 | * @see generateAttributeLabel() |
||
1602 | * @see attributeLabels() |
||
1603 | */ |
||
1604 | 57 | public function getAttributeLabel($attribute) |
|
1605 | { |
||
1606 | 57 | $labels = $this->attributeLabels(); |
|
1607 | 57 | if (isset($labels[$attribute])) { |
|
1608 | 10 | return $labels[$attribute]; |
|
1609 | 54 | } elseif (strpos($attribute, '.')) { |
|
1610 | $attributeParts = explode('.', $attribute); |
||
1611 | $neededAttribute = array_pop($attributeParts); |
||
1612 | |||
1613 | $relatedModel = $this; |
||
1614 | foreach ($attributeParts as $relationName) { |
||
1615 | if ($relatedModel->isRelationPopulated($relationName) && $relatedModel->$relationName instanceof self) { |
||
1616 | $relatedModel = $relatedModel->$relationName; |
||
1617 | } else { |
||
1618 | try { |
||
1619 | $relation = $relatedModel->getRelation($relationName); |
||
1620 | } catch (InvalidParamException $e) { |
||
1621 | return $this->generateAttributeLabel($attribute); |
||
1622 | } |
||
1623 | /* @var $modelClass ActiveRecordInterface */ |
||
1624 | $modelClass = $relation->modelClass; |
||
1625 | $relatedModel = $modelClass::instance(); |
||
1626 | } |
||
1627 | } |
||
1628 | |||
1629 | $labels = $relatedModel->attributeLabels(); |
||
1630 | if (isset($labels[$neededAttribute])) { |
||
1631 | return $labels[$neededAttribute]; |
||
1632 | } |
||
1633 | } |
||
1634 | |||
1635 | 54 | return $this->generateAttributeLabel($attribute); |
|
1636 | } |
||
1637 | |||
1638 | /** |
||
1639 | * Returns the text hint for the specified attribute. |
||
1640 | * If the attribute looks like `relatedModel.attribute`, then the attribute will be received from the related model. |
||
1641 | * @param string $attribute the attribute name |
||
1642 | * @return string the attribute hint |
||
1643 | * @see attributeHints() |
||
1644 | * @since 2.0.4 |
||
1645 | */ |
||
1646 | public function getAttributeHint($attribute) |
||
1647 | { |
||
1648 | $hints = $this->attributeHints(); |
||
1649 | if (isset($hints[$attribute])) { |
||
1650 | return $hints[$attribute]; |
||
1651 | } elseif (strpos($attribute, '.')) { |
||
1652 | $attributeParts = explode('.', $attribute); |
||
1653 | $neededAttribute = array_pop($attributeParts); |
||
1654 | |||
1655 | $relatedModel = $this; |
||
1656 | foreach ($attributeParts as $relationName) { |
||
1657 | if ($relatedModel->isRelationPopulated($relationName) && $relatedModel->$relationName instanceof self) { |
||
1658 | $relatedModel = $relatedModel->$relationName; |
||
1659 | } else { |
||
1660 | try { |
||
1661 | $relation = $relatedModel->getRelation($relationName); |
||
1662 | } catch (InvalidParamException $e) { |
||
1663 | return ''; |
||
1664 | } |
||
1665 | /* @var $modelClass ActiveRecordInterface */ |
||
1666 | $modelClass = $relation->modelClass; |
||
1667 | $relatedModel = $modelClass::instance(); |
||
1668 | } |
||
1669 | } |
||
1670 | |||
1671 | $hints = $relatedModel->attributeHints(); |
||
1672 | if (isset($hints[$neededAttribute])) { |
||
1673 | return $hints[$neededAttribute]; |
||
1674 | } |
||
1675 | } |
||
1676 | |||
1677 | return ''; |
||
1678 | } |
||
1679 | |||
1680 | /** |
||
1681 | * {@inheritdoc} |
||
1682 | * |
||
1683 | * The default implementation returns the names of the columns whose values have been populated into this record. |
||
1684 | */ |
||
1685 | public function fields() |
||
1686 | { |
||
1687 | $fields = array_keys($this->_attributes); |
||
1688 | |||
1689 | return array_combine($fields, $fields); |
||
1690 | } |
||
1691 | |||
1692 | /** |
||
1693 | * {@inheritdoc} |
||
1694 | * |
||
1695 | * The default implementation returns the names of the relations that have been populated into this record. |
||
1696 | */ |
||
1697 | public function extraFields() |
||
1698 | { |
||
1699 | $fields = array_keys($this->getRelatedRecords()); |
||
1700 | |||
1701 | return array_combine($fields, $fields); |
||
1702 | } |
||
1703 | |||
1704 | /** |
||
1705 | * Sets the element value at the specified offset to null. |
||
1706 | * This method is required by the SPL interface [[\ArrayAccess]]. |
||
1707 | * It is implicitly called when you use something like `unset($model[$offset])`. |
||
1708 | * @param mixed $offset the offset to unset element |
||
1709 | */ |
||
1710 | 3 | public function offsetUnset($offset) |
|
1711 | { |
||
1712 | 3 | if (property_exists($this, $offset)) { |
|
1713 | $this->$offset = null; |
||
1714 | } else { |
||
1715 | 3 | unset($this->$offset); |
|
1716 | } |
||
1717 | 3 | } |
|
1718 | |||
1719 | /** |
||
1720 | * Resets dependent related models checking if their links contain specific attribute. |
||
1721 | * @param string $attribute The changed attribute name. |
||
1722 | */ |
||
1723 | 15 | private function resetDependentRelations($attribute) |
|
1724 | { |
||
1725 | 15 | foreach ($this->_relationsDependencies[$attribute] as $relation) { |
|
1726 | 15 | unset($this->_related[$relation]); |
|
1727 | } |
||
1728 | 15 | unset($this->_relationsDependencies[$attribute]); |
|
1729 | 15 | } |
|
1730 | |||
1731 | /** |
||
1732 | * Sets relation dependencies for a property |
||
1733 | * @param string $name property name |
||
1734 | * @param ActiveQueryInterface $relation relation instance |
||
1735 | */ |
||
1736 | 73 | private function setRelationDependencies($name, $relation) |
|
1737 | { |
||
1738 | 73 | if (empty($relation->via) && $relation->link) { |
|
1739 | 70 | foreach ($relation->link as $attribute) { |
|
1740 | 70 | $this->_relationsDependencies[$attribute][$name] = $name; |
|
1741 | } |
||
1742 | 39 | } elseif ($relation->via instanceof ActiveQueryInterface) { |
|
1743 | 15 | $this->setRelationDependencies($name, $relation->via); |
|
1744 | 27 | } elseif (is_array($relation->via)) { |
|
1745 | 24 | list(, $viaQuery) = $relation->via; |
|
1746 | 24 | $this->setRelationDependencies($name, $viaQuery); |
|
1747 | } |
||
1748 | 73 | } |
|
1749 | } |
||
1750 |
If you access a property on an interface, you most likely code against a concrete implementation of the interface.
Available Fixes
Adding an additional type check:
Changing the type hint: