vistart /
yii2-models
Complex classes like BlameableTrait often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes. You can also have a look at the cohesion graph to spot any un-connected, or weakly-connected components.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use BlameableTrait, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 44 | trait BlameableTrait |
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| 45 | { |
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| 46 | use ConfirmationTrait, |
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| 47 | SelfBlameableTrait; |
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| 48 | |||
| 49 | private $blameableLocalRules = []; |
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| 50 | private $blameableLocalBehaviors = []; |
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| 51 | |||
| 52 | /** |
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| 53 | * @var boolean|string|array Specify the attribute(s) name of content(s). If |
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| 54 | * there is only one content attribute, you can assign its name. Or there |
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| 55 | * is multiple attributes associated with contents, you can assign their |
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| 56 | * names in array. If you don't want to use this feature, please assign |
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| 57 | * false. |
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| 58 | * For example: |
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| 59 | * ```php |
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| 60 | * public $contentAttribute = 'comment'; // only one field named as 'comment'. |
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| 61 | * ``` |
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| 62 | * or |
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| 63 | * ```php |
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| 64 | * public $contentAttribute = ['year', 'month', 'day']; // multiple fields. |
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| 65 | * ``` |
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| 66 | * or |
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| 67 | * ```php |
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| 68 | * public $contentAttribute = false; // no need of this feature. |
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| 69 | * ``` |
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| 70 | * If you don't need this feature, you should add rules corresponding with |
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| 71 | * `content` in `rules()` method of your user model by yourself. |
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| 72 | */ |
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| 73 | public $contentAttribute = 'content'; |
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| 74 | |||
| 75 | /** |
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| 76 | * @var array built-in validator name or validatation method name and |
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| 77 | * additional parameters. |
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| 78 | */ |
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| 79 | public $contentAttributeRule = ['string', 'max' => 255]; |
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| 80 | |||
| 81 | /** |
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| 82 | * @var boolean|string Specify the field which stores the type of content. |
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| 83 | */ |
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| 84 | public $contentTypeAttribute = false; |
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| 85 | |||
| 86 | /** |
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| 87 | * @var boolean|array Specify the logic type of content, not data type. If |
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| 88 | * your content doesn't need this feature. please specify false. If the |
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| 89 | * $contentAttribute is specified to false, this attribute will be skipped. |
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| 90 | * ```php |
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| 91 | * public $contentTypes = [ |
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| 92 | * 'public', |
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| 93 | * 'private', |
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| 94 | * 'friend', |
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| 95 | * ]; |
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| 96 | * ``` |
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| 97 | */ |
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| 98 | public $contentTypes = false; |
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| 99 | |||
| 100 | /** |
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| 101 | * @var boolean|string This attribute speicfy the name of description |
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| 102 | * attribute. If this attribute is assigned to false, this feature will be |
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| 103 | * skipped. |
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| 104 | */ |
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| 105 | public $descriptionAttribute = false; |
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| 106 | |||
| 107 | /** |
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| 108 | * @var string |
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| 109 | */ |
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| 110 | public $initDescription = ''; |
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| 111 | |||
| 112 | /** |
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| 113 | * @var string the attribute that will receive current user ID value. This |
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| 114 | * attribute must be assigned. |
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| 115 | */ |
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| 116 | public $createdByAttribute = "user_guid"; |
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| 117 | |||
| 118 | /** |
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| 119 | * @var string the attribute that will receive current user ID value. |
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| 120 | * Set this property to false if you do not want to record the updater ID. |
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| 121 | */ |
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| 122 | public $updatedByAttribute = "user_guid"; |
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| 123 | |||
| 124 | /** |
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| 125 | * @var boolean Add combinated unique rule if assigned to true. |
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| 126 | */ |
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| 127 | public $idCreatorCombinatedUnique = true; |
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| 128 | |||
| 129 | /** |
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| 130 | * @var boolean|string The name of user class which own the current entity. |
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| 131 | * If this attribute is assigned to false, this feature will be skipped, and |
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| 132 | * when you use create() method of UserTrait, it will be assigned with |
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| 133 | * current user class. |
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| 134 | */ |
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| 135 | public $userClass; |
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| 136 | public static $cacheKeyBlameableRules = 'blameable_rules'; |
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| 137 | public static $cacheTagBlameableRules = 'tag_blameable_rules'; |
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| 138 | public static $cacheKeyBlameableBehaviors = 'blameable_behaviors'; |
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| 139 | public static $cacheTagBlameableBehaviors = 'tag_blameable_behaviors'; |
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| 140 | |||
| 141 | /** |
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| 142 | * @inheritdoc |
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| 143 | */ |
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| 144 | 37 | public function rules() |
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| 145 | { |
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| 146 | 37 | return $this->getBlameableRules(); |
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| 147 | } |
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| 148 | |||
| 149 | /** |
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| 150 | * @inheritdoc |
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| 151 | */ |
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| 152 | 37 | public function behaviors() |
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| 153 | { |
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| 154 | 37 | return $this->getBlameableBehaviors(); |
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| 155 | } |
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| 156 | |||
| 157 | /** |
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| 158 | * Get total of contents which owned by their owner. |
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| 159 | * @return integer |
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| 160 | */ |
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| 161 | 2 | public function countOfOwner() |
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| 162 | { |
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| 163 | 2 | $createdByAttribute = $this->createdByAttribute; |
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| 164 | 2 | return static::find()->where([$createdByAttribute => $this->$createdByAttribute])->count(); |
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| 165 | } |
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| 166 | |||
| 167 | /** |
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| 168 | * Get content. |
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| 169 | * @return mixed |
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| 170 | */ |
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| 171 | public function getContent() |
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| 172 | { |
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| 173 | $contentAttribute = $this->contentAttribute; |
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| 174 | if ($contentAttribute === false) { |
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| 175 | return null; |
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| 176 | } |
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| 177 | if (is_array($contentAttribute)) { |
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| 178 | $content = []; |
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| 179 | foreach ($contentAttribute as $key => $value) { |
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| 180 | $content[$key] = $this->$value; |
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| 181 | } |
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| 182 | return $content; |
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| 183 | } |
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| 184 | return $this->$contentAttribute; |
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| 185 | } |
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| 186 | |||
| 187 | /** |
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| 188 | * Set content. |
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| 189 | * @param mixed $content |
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| 190 | */ |
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| 191 | public function setContent($content) |
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| 192 | { |
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| 193 | $contentAttribute = $this->contentAttribute; |
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| 194 | if ($contentAttribute === false) { |
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| 195 | return; |
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| 196 | } |
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| 197 | if (is_array($contentAttribute)) { |
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| 198 | foreach ($contentAttribute as $key => $value) { |
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| 199 | $this->$value = $content[$key]; |
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| 200 | } |
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| 201 | return; |
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| 202 | } |
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| 203 | $this->$contentAttribute = $content; |
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| 204 | } |
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| 205 | |||
| 206 | /** |
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| 207 | * Determines whether content could be edited. Your should implement this |
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| 208 | * method by yourself. |
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| 209 | * @return boolean |
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| 210 | * @throws \yii\base\NotSupportedException |
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| 211 | */ |
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| 212 | public function getContentCanBeEdited() |
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| 213 | { |
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| 214 | if ($this->contentAttribute === false) { |
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| 215 | return false; |
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| 216 | } |
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| 217 | throw new \yii\base\NotSupportedException("This method is not implemented."); |
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| 218 | } |
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| 219 | |||
| 220 | /** |
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| 221 | * Check it has been ever edited. |
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| 222 | * @return boolean Whether this content has ever been edited. |
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| 223 | */ |
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| 224 | public function hasEverEdited() |
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| 225 | { |
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| 226 | $createdAtAttribute = $this->createdByAttribute; |
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| 227 | $updatedAtAttribute = $this->updatedByAttribute; |
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| 228 | if (!$createdAtAttribute || !$updatedAtAttribute) { |
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| 229 | return false; |
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| 230 | } |
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| 231 | return $this->$createdAtAttribute === $this->$updatedAtAttribute; |
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| 232 | } |
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| 233 | |||
| 234 | /** |
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| 235 | * Get blameable rules cache key. |
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| 236 | * @return string cache key. |
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| 237 | */ |
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| 238 | 37 | public function getBlameableRulesCacheKey() |
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| 239 | { |
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| 240 | 37 | return static::className() . $this->cachePrefix . static::$cacheKeyBlameableRules; |
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| 241 | } |
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| 242 | |||
| 243 | /** |
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| 244 | * Get blameable rules cache tag. |
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| 245 | * @return string cache tag |
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| 246 | */ |
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| 247 | 13 | public function getBlameableRulesCacheTag() |
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| 248 | { |
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| 249 | 13 | return static::className() . $this->cachePrefix . static::$cacheTagBlameableRules; |
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| 250 | } |
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| 251 | |||
| 252 | /** |
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| 253 | * Get the rules associated with content to be blamed. |
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| 254 | * @return array rules. |
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| 255 | */ |
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| 256 | 37 | public function getBlameableRules() |
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| 257 | { |
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| 258 | 37 | $cache = $this->getCache(); |
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| 259 | 37 | if ($cache) { |
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| 260 | 37 | $this->blameableLocalRules = $cache->get($this->getBlameableRulesCacheKey()); |
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| 261 | 37 | } |
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| 262 | // 若当前规则不为空，且是数组，则认为是规则数组，直接返回。 |
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| 263 | 37 | if (!empty($this->blameableLocalRules) && is_array($this->blameableLocalRules)) { |
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| 264 | 30 | return $this->blameableLocalRules; |
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| 265 | } |
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| 266 | |||
| 267 | // 父类规则与确认规则合并。 |
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| 268 | 13 | if ($cache) { |
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| 269 | 13 | TagDependency::invalidate($cache, [$this->getEntityRulesCacheTag()]); |
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| 270 | 13 | } |
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| 271 | 13 | $rules = array_merge( |
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| 272 | 13 | parent::rules(), |
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| 273 | 13 | $this->getConfirmationRules(), |
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| 274 | 13 | $this->getBlameableAttributeRules(), |
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| 275 | 13 | $this->getDescriptionRules(), |
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| 276 | 13 | $this->getContentRules(), |
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| 277 | 13 | $this->getSelfBlameableRules() |
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| 278 | 13 | ); |
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| 279 | 13 | $this->setBlameableRules($rules); |
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| 280 | 13 | return $this->blameableLocalRules; |
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| 281 | } |
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| 282 | |||
| 283 | /** |
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| 284 | * Get the rules associated with `createdByAttribute`, `updatedByAttribute` |
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| 285 | * and `idAttribute`-`createdByAttribute` combination unique. |
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| 286 | * @return array rules. |
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| 287 | */ |
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| 288 | 13 | public function getBlameableAttributeRules() |
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| 289 | { |
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| 290 | 13 | $rules = []; |
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| 291 | // 创建者和上次修改者由 BlameableBehavior 负责，因此标记为安全。 |
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| 292 | 13 | if (!is_string($this->createdByAttribute) || empty($this->createdByAttribute)) { |
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| 293 | throw new \yii\base\NotSupportedException('You must assign the creator.'); |
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| 294 | } |
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| 295 | 13 | $rules[] = [ |
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| 296 | 13 | [$this->createdByAttribute], |
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| 297 | 13 | 'safe', |
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| 298 | ]; |
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| 299 | |||
| 300 | 13 | if (is_string($this->updatedByAttribute) && !empty($this->updatedByAttribute)) { |
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| 301 | 3 | $rules[] = [ |
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| 302 | 3 | [$this->updatedByAttribute], |
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| 303 | 3 | 'safe', |
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| 304 | ]; |
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| 305 | 3 | } |
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| 306 | |||
| 307 | 13 | if ($this->idCreatorCombinatedUnique && is_string($this->idAttribute)) { |
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| 308 | 12 | $rules [] = [ |
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| 309 | 12 | [$this->idAttribute, |
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| 310 | 12 | $this->createdByAttribute], |
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| 311 | 12 | 'unique', |
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| 312 | 12 | 'targetAttribute' => [$this->idAttribute, |
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| 313 | 12 | $this->createdByAttribute], |
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| 314 | ]; |
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| 315 | 12 | } |
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| 316 | 13 | return $rules; |
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| 317 | } |
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| 318 | |||
| 319 | /** |
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| 320 | * Get the rules associated with `description` attribute. |
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| 321 | * @return array rules. |
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| 322 | */ |
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| 323 | 13 | public function getDescriptionRules() |
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| 324 | { |
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| 325 | 13 | $rules = []; |
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| 326 | 13 | if (is_string($this->descriptionAttribute) && !empty($this->descriptionAttribute)) { |
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| 327 | 1 | $rules[] = [ |
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| 328 | 1 | [$this->descriptionAttribute], |
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| 329 | 'string' |
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| 330 | 1 | ]; |
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| 331 | 1 | $rules[] = [ |
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| 332 | 1 | [$this->descriptionAttribute], |
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| 333 | 1 | 'default', |
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| 334 | 1 | 'value' => $this->initDescription, |
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| 335 | ]; |
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| 336 | 1 | } |
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| 337 | 13 | return $rules; |
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| 338 | } |
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| 339 | |||
| 340 | /** |
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| 341 | * Get the rules associated with `content` and `contentType` attributes. |
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| 342 | * @return array rules. |
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| 343 | */ |
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| 344 | 13 | public function getContentRules() |
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| 345 | { |
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| 346 | 13 | if (!$this->contentAttribute) { |
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| 347 | 2 | return []; |
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| 348 | } |
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| 349 | 11 | $rules = []; |
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| 350 | 11 | $rules[] = [$this->contentAttribute, 'required']; |
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| 351 | 11 | if ($this->contentAttributeRule) { |
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| 352 | 11 | if (is_string($this->contentAttributeRule)) { |
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| 353 | $this->contentAttributeRule = [$this->contentAttributeRule]; |
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| 354 | } |
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| 355 | 11 | if (is_array($this->contentAttributeRule)) { |
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| 356 | 11 | $rules[] = array_merge([$this->contentAttribute], $this->contentAttributeRule); |
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| 357 | 11 | } |
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| 358 | 11 | } |
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| 359 | |||
| 360 | 11 | if (!$this->contentTypeAttribute) { |
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| 361 | 9 | return $rules; |
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| 362 | } |
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| 363 | |||
| 364 | 2 | if (is_array($this->contentTypes) && !empty($this->contentTypes)) { |
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| 365 | 2 | $rules[] = [[ |
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| 366 | 2 | $this->contentTypeAttribute], |
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| 367 | 2 | 'required']; |
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| 368 | 2 | $rules[] = [[ |
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| 369 | 2 | $this->contentTypeAttribute], |
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| 370 | 2 | 'in', |
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| 371 | 2 | 'range' => array_keys($this->contentTypes)]; |
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| 372 | 2 | } |
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| 373 | 2 | return $rules; |
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| 374 | } |
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| 375 | |||
| 376 | /** |
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| 377 | * Set blameable rules. |
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| 378 | * @param array $rules |
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| 379 | */ |
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| 380 | 13 | protected function setBlameableRules($rules = []) |
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| 381 | { |
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| 382 | 13 | $this->blameableLocalRules = $rules; |
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| 383 | 13 | $cache = $this->getCache(); |
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| 384 | 13 | if ($cache) { |
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| 385 | 13 | $tagDependency = new \yii\caching\TagDependency(['tags' => [$this->getBlameableRulesCacheTag()]]); |
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| 386 | 13 | $cache->set($this->getBlameableRulesCacheKey(), $rules, 0, $tagDependency); |
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| 387 | 13 | } |
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| 388 | 13 | } |
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| 389 | |||
| 390 | /** |
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| 391 | * Get blameable behaviors cache key. |
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| 392 | * @return string cache key. |
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| 393 | */ |
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| 394 | 37 | public function getBlameableBehaviorsCacheKey() |
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| 398 | |||
| 399 | /** |
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| 400 | * Get blameable behaviors cache tag. |
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| 401 | * @return string cache tag. |
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| 402 | */ |
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| 403 | 13 | public function getBlameableBehaviorsCacheTag() |
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| 407 | |||
| 408 | /** |
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| 409 | * Get blameable behaviors. If current behaviors array is empty, the init |
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| 410 | * array will be given. |
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| 411 | * @return array |
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| 412 | */ |
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| 413 | 37 | public function getBlameableBehaviors() |
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| 414 | { |
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| 415 | 37 | $cache = $this->getCache(); |
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| 416 | 37 | if ($cache) { |
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| 417 | 37 | $this->blameableLocalBehaviors = $cache->get($this->getBlameableBehaviorsCacheKey()); |
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| 418 | 37 | } |
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| 419 | 37 | if (empty($this->blameableLocalBehaviors) || !is_array($this->blameableLocalBehaviors)) { |
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| 420 | 13 | if ($cache) { |
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| 421 | 13 | TagDependency::invalidate($cache, [$this->getEntityBehaviorsCacheTag()]); |
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| 422 | 13 | } |
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| 423 | 13 | $behaviors = parent::behaviors(); |
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| 424 | 13 | $behaviors['blameable'] = [ |
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| 425 | 13 | 'class' => BlameableBehavior::className(), |
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| 426 | 13 | 'createdByAttribute' => $this->createdByAttribute, |
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| 427 | 13 | 'updatedByAttribute' => $this->updatedByAttribute, |
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| 428 | 13 | 'value' => [$this, |
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| 429 | 13 | 'onGetCurrentUserGuid'], |
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| 430 | ]; |
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| 431 | 13 | $this->setBlameableBehaviors($behaviors); |
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| 432 | 13 | } |
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| 433 | 37 | return $this->blameableLocalBehaviors; |
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| 434 | } |
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| 435 | |||
| 436 | /** |
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| 437 | * Set blameable behaviors. |
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| 438 | * @param array $behaviors |
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| 439 | */ |
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| 440 | 13 | protected function setBlameableBehaviors($behaviors = []) |
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| 441 | { |
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| 442 | 13 | $this->blameableLocalBehaviors = $behaviors; |
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| 443 | 13 | $cache = $this->getCache(); |
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| 444 | 13 | if ($cache) { |
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| 445 | 13 | $tagDependencyConfig = ['tags' => [$this->getBlameableBehaviorsCacheTag()]]; |
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| 446 | 13 | $tagDependency = new \yii\caching\TagDependency($tagDependencyConfig); |
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| 447 | 13 | $cache->set($this->getBlameableBehaviorsCacheKey(), $behaviors, 0, $tagDependency); |
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| 448 | 13 | } |
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| 449 | 13 | } |
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| 450 | |||
| 451 | /** |
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| 452 | * Set description. |
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| 453 | * @return string description. |
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| 454 | */ |
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| 455 | public function getDescription() |
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| 460 | |||
| 461 | /** |
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| 462 | * Get description. |
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| 463 | * @param string $desc description. |
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| 464 | * @return string|null description if enabled, or null if disabled. |
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| 465 | */ |
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| 466 | public function setDescription($desc) |
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| 471 | |||
| 472 | /** |
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| 473 | * Get blame who owned this blameable model. |
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| 474 | * NOTICE! This method will not check whether `$userClass` exists. You should |
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| 475 | * specify it in `init()` method. |
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| 476 | * @return \vistart\Models\queries\BaseUserQuery user. |
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| 477 | */ |
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| 478 | 1 | public function getUser() |
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| 484 | |||
| 485 | /** |
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| 486 | * Get updater who updated this blameable model recently. |
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| 487 | * NOTICE! This method will not check whether `$userClass` exists. You should |
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| 488 | * specify it in `init()` method. |
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| 489 | * @return \vistart\Models\queries\BaseUserQuery user. |
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| 490 | */ |
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| 491 | 1 | public function getUpdater() |
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| 492 | { |
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| 493 | 1 | if (!is_string($this->updatedByAttribute)) { |
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| 494 | 1 | return null; |
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| 495 | } |
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| 496 | $userClass = $this->userClass; |
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| 497 | $model = $userClass::buildNoInitModel(); |
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| 498 | return $this->hasOne($userClass::className(), [$model->guidAttribute => $this->updatedByAttribute]); |
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| 499 | } |
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| 500 | |||
| 501 | /** |
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| 502 | * This event is triggered before the model update. |
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| 503 | * This method is ONLY used for being triggered by event. DO NOT call, |
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| 504 | * override or modify it directly, unless you know the consequences. |
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| 505 | * @param \yii\base\Event $event |
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| 506 | */ |
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| 507 | 11 | public function onContentChanged($event) |
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| 508 | { |
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| 509 | 11 | $sender = $event->sender; |
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| 510 | 11 | $sender->resetConfirmation(); |
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| 511 | 11 | } |
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| 512 | |||
| 513 | /** |
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| 514 | * Return the current user's GUID if current model doesn't specify the owner |
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| 515 | * yet, or return the owner's GUID if current model has been specified. |
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| 516 | * This method is ONLY used for being triggered by event. DO NOT call, |
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| 517 | * override or modify it directly, unless you know the consequences. |
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| 518 | * @param \yii\base\Event $event |
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| 519 | * @return string the GUID of current user or the owner. |
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| 520 | */ |
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| 521 | 37 | public function onGetCurrentUserGuid($event) |
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| 522 | { |
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| 523 | 37 | $sender = $event->sender; |
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| 524 | 37 | if (isset($sender->attributes[$sender->createdByAttribute])) { |
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| 525 | 37 | return $sender->attributes[$sender->createdByAttribute]; |
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| 526 | } |
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| 527 | $identity = \Yii::$app->user->identity; |
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| 528 | if ($identity) { |
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| 529 | $igAttribute = $identity->guidAttribute; |
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| 530 | return $identity->$igAttribute; |
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| 531 | } |
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| 532 | } |
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| 533 | |||
| 534 | /** |
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| 535 | * Initialize type of content. the first of element[index is 0] of |
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| 536 | * $contentTypes will be used. |
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| 537 | * @param \yii\base\Event $event |
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| 538 | */ |
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| 539 | 36 | public function onInitContentType($event) |
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| 540 | { |
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| 541 | 36 | $sender = $event->sender; |
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| 542 | 36 | if (!isset($sender->contentTypeAttribute) || !is_string($sender->contentTypeAttribute)) { |
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| 543 | 29 | return; |
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| 544 | } |
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| 545 | 7 | $contentTypeAttribute = $sender->contentTypeAttribute; |
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| 546 | 7 | if (!isset($sender->$contentTypeAttribute) && |
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| 547 | 7 | !empty($sender->contentTypes) && |
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| 548 | 7 | is_array($sender->contentTypes)) { |
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| 549 | 7 | $sender->$contentTypeAttribute = $sender->contentTypes[0]; |
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| 550 | 7 | } |
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| 551 | 7 | } |
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| 552 | |||
| 553 | /** |
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| 554 | * Initialize description property with $initDescription. |
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| 555 | * @param \yii\base\Event $event |
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| 556 | */ |
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| 557 | 37 | public function onInitDescription($event) |
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| 558 | { |
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| 559 | 37 | $sender = $event->sender; |
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| 560 | 37 | if (!isset($sender->descriptionAttribute) || !is_string($sender->descriptionAttribute)) { |
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| 561 | 31 | return; |
|
| 562 | } |
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| 563 | 6 | $descriptionAttribute = $sender->descriptionAttribute; |
|
| 564 | 6 | if (empty($sender->$descriptionAttribute)) { |
|
| 565 | 6 | $sender->$descriptionAttribute = $sender->initDescription; |
|
| 566 | 6 | } |
|
| 567 | 6 | } |
|
| 568 | |||
| 569 | /** |
||
| 570 | * Attach events associated with blameable model. |
||
| 571 | */ |
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| 572 | 37 | public function initBlameableEvents() |
|
| 587 | |||
| 588 | /** |
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| 589 | * @inheritdoc |
||
| 590 | */ |
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| 591 | 11 | public function enabledFields() |
|
| 617 | |||
| 618 | /** |
||
| 619 | * Find all follows by specified identity. If `$identity` is null, the logged-in |
||
| 620 | * identity will be taken. |
||
| 621 | * @param string|integer $pageSize If it is 'all`, then will find all follows, |
||
| 622 | * the `$currentPage` parameter will be skipped. If it is integer, it will be |
||
| 623 | * regarded as sum of models in one page. |
||
| 624 | * @param integer $currentPage The current page number, begun with 0. |
||
| 625 | * @param $userClass $identity |
||
| 626 | * @return static[] If no follows, null will be given, or return follow array. |
||
| 627 | */ |
||
| 628 | public static function findAllByIdentityInBatch($pageSize = 'all', $currentPage = 0, $identity = null) |
||
| 629 | { |
||
| 630 | if ($pageSize === 'all') { |
||
| 631 | return static::findByIdentity($identity)->all(); |
||
| 632 | } |
||
| 633 | return static::findByIdentity($identity)->page($pageSize, $currentPage)->all(); |
||
| 634 | } |
||
| 635 | |||
| 636 | /** |
||
| 637 | * Find one follow by specified identity. If `$identity` is null, the logged-in |
||
| 638 | * identity will be taken. If $identity doesn't has the follower, null will |
||
| 639 | * be given. |
||
| 640 | * @param integer $id user id. |
||
| 641 | * @param boolean $throwException |
||
| 642 | * @param $userClass $identity |
||
| 643 | * @return static |
||
| 644 | * @throws NotFoundHttpException |
||
| 645 | */ |
||
| 646 | public static function findOneById($id, $throwException = true, $identity = null) |
||
| 658 | |||
| 659 | /** |
||
| 660 | * Get total of follows of specified identity. |
||
| 661 | * @param $userClass $identity |
||
| 662 | * @return integer total. |
||
| 663 | */ |
||
| 664 | public static function countByIdentity($identity = null) |
||
| 668 | |||
| 669 | /** |
||
| 670 | * Get pagination, used for building contents page by page. |
||
| 671 | * @param integer $limit |
||
| 672 | * @param $userClass $identity |
||
| 673 | * @return Pagination |
||
| 674 | */ |
||
| 675 | public static function getPagination($limit = 10, $identity = null) |
||
| 684 | } |
||
| 685 |
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In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code:
Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: