1 | <?php |
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2 | |||
3 | /** |
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4 | * This file is part of the alphaz Framework. |
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5 | * |
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6 | * @author Muhammad Umer Farooq (Malik) <[email protected]> |
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7 | * |
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8 | * @link https://github.com/alphazframework/framework |
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9 | * |
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10 | * For the full copyright and license information, please view the LICENSE |
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11 | * file that was distributed with this source code. |
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12 | * |
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13 | * @license MIT |
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14 | */ |
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15 | |||
16 | namespace alphaz\Database\Query; |
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17 | |||
18 | class Query |
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19 | { |
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20 | /** |
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21 | * Prepare a query to insert into db. |
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22 | * |
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23 | * @param |
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24 | * $table Name of tabke |
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25 | * array array(); e.g: |
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26 | * 'name' => 'new name' or $comeformvariable |
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27 | * 'username' => 'new username' or $comeformvariable |
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28 | * |
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29 | * @return query |
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30 | */ |
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31 | public function insert($params) |
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32 | { |
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33 | if (is_array($params)) { |
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34 | $count_rows = count($params['columns']); |
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35 | $increment = 1; |
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36 | foreach ($params['columns'] as $keys => $value) { |
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37 | for ($i = 1; $i <= $count_rows; $i++) { |
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38 | $data[$keys] = $value; |
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39 | } |
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40 | } |
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41 | foreach ($data as $keys => $values) { |
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42 | if ($increment == $count_rows) { |
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43 | $columns[] = "{$keys} = '{$values}'"; |
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44 | } else { |
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45 | $columns[] = "{$keys} = '{$values}'"; |
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46 | } |
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47 | $increment++; |
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48 | } |
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49 | $columns = implode(' , ', $columns); |
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50 | $query = "INSERT INTO `{$params['table']}`SET {$columns}"; |
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51 | if (isset($params['debug']) and strtolower($params['debug']) === 'on') { |
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52 | var_dump($query); |
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53 | } |
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54 | |||
55 | return $query; |
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56 | } else { |
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57 | return false; |
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58 | } |
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59 | } |
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60 | |||
61 | /** |
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62 | * Prepare a query to Update data in database. |
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63 | * |
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64 | * @param array $params; e.g: |
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65 | * 'table' required name of table |
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66 | * 'db_name' => Database name |
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67 | * 'wheres' Specify id or else for updating records |
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68 | * 'columns' => data e.g name=>new name |
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69 | * |
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70 | * @return query |
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71 | */ |
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72 | public function update($params) |
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73 | { |
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74 | if (is_array($params)) { |
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75 | $count_rows = count($params['columns']); |
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76 | $increment = 1; |
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77 | foreach ($params['columns'] as $keys => $value) { |
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78 | for ($i = 1; $i <= $count_rows; $i++) { |
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79 | $data[$keys] = $value; |
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80 | } |
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81 | } |
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82 | foreach ($data as $keys => $values) { |
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83 | if ($increment == $count_rows) { |
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84 | $columns[] = "{$keys} = '{$values}'"; |
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85 | } else { |
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86 | $columns[] = "{$keys} = '{$values}'"; |
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87 | } |
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88 | $increment++; |
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89 | } |
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90 | $columns = implode(' , ', $columns); |
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91 | $wheres = $this->prepareWhere($params['wheres']); |
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92 | $query = "UPDATE `{$params['table']}`SET {$columns} {$wheres}"; |
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93 | if (isset($params['debug']) and strtolower($params['debug']) === 'on') { |
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94 | var_dump($query); |
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95 | } |
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96 | |||
97 | return $query; |
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98 | } else { |
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99 | return false; |
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100 | } |
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101 | } |
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102 | |||
103 | /** |
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104 | * Prepare a query to select data from database. |
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105 | * |
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106 | * @param array array(); |
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107 | * 'table' Names of table |
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108 | * 'db_name' => Database name |
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109 | * 'params' Names of columns which you want to select |
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110 | * 'wheres' Specify a selection criteria to get required records |
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111 | * 'debug' If on var_dump sql query |
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112 | * |
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113 | * @return query |
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114 | */ |
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115 | public function select($params) |
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116 | { |
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117 | if (is_array($params)) { |
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118 | if (!isset($params['params'])) { |
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119 | $columns = '*'; |
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120 | } else { |
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121 | $columns = implode(', ', array_values($params['params'])); |
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122 | } |
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123 | if (isset($params['distinct'])) { |
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124 | $distinct = ' DISTINCT '; |
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125 | } else { |
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126 | $distinct = ''; |
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127 | } |
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128 | $wheres = (isset($params['wheres'])) ? $this->prepareWhere($params['wheres']) : ''; |
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129 | if (isset($params['joins'])) { |
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130 | if (!empty($params['joins'])) { |
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131 | if (!isset($params['joins']['using'])) { |
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132 | $join = ' JOIN '.$params['joins']['table2'].' ON '.$params['joins']['column1'].' = '.$params['joins']['column2']; |
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133 | } else { |
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134 | $join = ' JOIN '.$params['joins']['table2'].' Using '.$params['joins']['using']; |
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135 | } |
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136 | } |
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137 | } else { |
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138 | $join = ''; |
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139 | } |
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140 | if (isset($params['limit'])) { |
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141 | if (!empty($params['limit'])) { |
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142 | $limit = ' LIMIT '.$params['limit']['start'].' OFFSET '.$params['limit']['end']; |
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143 | } else { |
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144 | $limit = ''; |
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145 | } |
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146 | } else { |
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147 | $limit = ''; |
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148 | } |
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149 | if (isset($params['order_by'])) { |
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150 | if (!empty($params['order_by'])) { |
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151 | $order_by = ' ORDER BY '.$params['order_by']; |
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152 | } else { |
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153 | $order_by = ''; |
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154 | } |
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155 | } else { |
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156 | $order_by = ''; |
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157 | } |
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158 | $query = "SELECT {$distinct} {$columns} FROM {$params['table']} {$join} {$wheres} {$order_by} {$limit} ;"; |
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159 | if (isset($params['debug']) and strtolower($params['debug']) === 'on') { |
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160 | var_dump($query); |
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161 | } |
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162 | |||
163 | return $query; |
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164 | } else { |
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165 | return false; |
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166 | } |
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167 | } |
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168 | |||
169 | /** |
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170 | * Prepare a query to delete data from database. |
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171 | * |
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172 | * @param $params array array(); |
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173 | * 'table' Names of table |
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174 | * 'db_name' => Database name |
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175 | * 'wheres' Specify a selection criteria to get required records |
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176 | * |
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177 | * @return query |
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178 | */ |
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179 | public function delete($params) |
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180 | { |
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181 | if (is_array($params)) { |
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182 | if (!empty($params['wheres'])) { |
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183 | $wheres = $this->prepareWhere($params['wheres']); |
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184 | } else { |
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185 | return false; |
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186 | } |
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187 | $query = "DELETE FROM `{$params['table']}` {$wheres};"; |
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188 | if (isset($params['debug']) and strtolower($params['debug']) === 'on') { |
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189 | var_dump($query); |
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190 | } |
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191 | |||
192 | return $query; |
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193 | } else { |
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194 | return false; |
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195 | } |
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196 | } |
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197 | |||
198 | /** |
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199 | * prepare the where statement. |
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200 | * |
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201 | * @param 'wheres' Specify a selection criteria to get required records |
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alphaz\Database\Query\Specify was not found. Maybe you did not declare it correctly or list all dependencies?
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If the path has been excluded in your configuration, e.g. filter:
dependency_paths: ["lib/*"]
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202 | * |
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203 | * @return query |
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204 | */ |
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205 | public function prepareWhere($wheres = null) |
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206 | { |
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207 | if (isset($wheres)) { |
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208 | if (!empty($wheres)) { |
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209 | $wheres = ' WHERE '.implode(' and ', array_values($wheres)); |
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210 | } else { |
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211 | $wheres = ''; |
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212 | } |
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213 | } else { |
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214 | $wheres = ''; |
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215 | } |
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216 | |||
217 | return $wheres; |
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218 | } |
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219 | |||
220 | /** |
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221 | * Prepare the use statement. |
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222 | * |
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223 | * @param $name name of database |
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The type
alphaz\Database\Query\name was not found. Maybe you did not declare it correctly or list all dependencies?
The issue could also be caused by a filter entry in the build configuration.
If the path has been excluded in your configuration, e.g. filter:
dependency_paths: ["lib/*"]
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224 | * |
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225 | * @return query |
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226 | */ |
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227 | public function useQuery($name) |
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228 | { |
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229 | return "USE `{$name}`"; |
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230 | } |
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231 | |||
232 | /** |
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233 | * Creating database query if not exists. |
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234 | * |
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235 | * @param $name name of database |
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236 | * |
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237 | * @return query |
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238 | */ |
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239 | public function createDb($name) |
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240 | { |
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241 | if (isset($name) && !empty(trim($name))) { |
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242 | $sql = "CREATE DATABASE IF NOT EXISTS `{$name}`"; |
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243 | |||
244 | return $sql; |
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245 | } else { |
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246 | return false; |
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247 | } |
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248 | } |
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249 | |||
250 | /** |
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251 | * Deleting database query if not exists. |
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252 | * |
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253 | * @param $name name of database |
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254 | * |
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255 | * @return query |
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256 | */ |
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257 | public function deleteDb($name) |
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258 | { |
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259 | if (isset($name) && !empty(trim($name))) { |
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260 | $sql = "DROP DATABASE `{$name}` "; |
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261 | |||
262 | return $sql; |
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263 | } else { |
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264 | return false; |
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265 | } |
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266 | } |
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267 | |||
268 | /** |
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269 | * Deleting table query if not exists. |
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270 | * |
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271 | * @param $dbname name of database |
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272 | * $table => $table name |
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273 | * |
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274 | * @return query |
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275 | */ |
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276 | public function deleteTbl($table) |
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277 | { |
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278 | if (isset($table) && !empty(trim($table))) { |
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279 | $sql = "DROP TABLE `{$table}` "; |
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280 | |||
281 | return $sql; |
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282 | } else { |
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283 | return false; |
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284 | } |
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285 | } |
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286 | } |
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287 |