BaseModel.php
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BaseModel.php
361 lines
| 1 | <?php |
| 2 | /** |
| 3 | * Base Model |
| 4 | * |
| 5 | * @package Tutor\Models |
| 6 | * @author Themeum <support@themeum.com> |
| 7 | * @link https://themeum.com |
| 8 | * @since 3.7.0 |
| 9 | */ |
| 10 | |
| 11 | namespace Tutor\Models; |
| 12 | |
| 13 | use Tutor\Helpers\QueryHelper; |
| 14 | |
| 15 | /** |
| 16 | * BaseModel Class. |
| 17 | * |
| 18 | * @since 3.7.0 |
| 19 | */ |
| 20 | abstract class BaseModel { |
| 21 | /** |
| 22 | * WP db instance |
| 23 | * |
| 24 | * @var \wpdb |
| 25 | */ |
| 26 | protected $db; |
| 27 | |
| 28 | /** |
| 29 | * Table name |
| 30 | * |
| 31 | * @var string |
| 32 | */ |
| 33 | protected $table_name; |
| 34 | |
| 35 | /** |
| 36 | * Primary key of the table |
| 37 | * |
| 38 | * @var string |
| 39 | */ |
| 40 | protected $primary_key = 'id'; |
| 41 | |
| 42 | /** |
| 43 | * Guard which fields can not be filled |
| 44 | * |
| 45 | * @var array |
| 46 | */ |
| 47 | protected $guarded = array( 'id' ); |
| 48 | |
| 49 | /** |
| 50 | * Set which fields can be filled |
| 51 | * |
| 52 | * @var string|array star(*) means all are fillable. |
| 53 | */ |
| 54 | protected $fillable = '*'; |
| 55 | |
| 56 | /** |
| 57 | * Constructor |
| 58 | */ |
| 59 | public function __construct() { |
| 60 | global $wpdb; |
| 61 | $this->db = $wpdb; |
| 62 | |
| 63 | if ( $this->is_set_table() && ! $this->has_table_prefix() ) { |
| 64 | $this->table_name = $this->db->prefix . $this->table_name; |
| 65 | } |
| 66 | |
| 67 | } |
| 68 | |
| 69 | /** |
| 70 | * Check model is associated with a db table. |
| 71 | * |
| 72 | * @return boolean |
| 73 | */ |
| 74 | public function is_set_table() { |
| 75 | return isset( $this->table_name ); |
| 76 | } |
| 77 | |
| 78 | /** |
| 79 | * Check table as table prefix. |
| 80 | * |
| 81 | * @return boolean |
| 82 | */ |
| 83 | public function has_table_prefix() { |
| 84 | return strpos( $this->table_name, $this->db->prefix ) === 0; |
| 85 | } |
| 86 | |
| 87 | /** |
| 88 | * Get table name. |
| 89 | * |
| 90 | * @return string |
| 91 | */ |
| 92 | public function get_table_name() { |
| 93 | return $this->table_name; |
| 94 | } |
| 95 | |
| 96 | /** |
| 97 | * Get table fields |
| 98 | * |
| 99 | * @return array |
| 100 | */ |
| 101 | public function get_fields() { |
| 102 | $fields = array(); |
| 103 | if ( isset( $this->table_name ) ) { |
| 104 | foreach ( $this->db->get_col( 'DESC ' . $this->table_name, 0 ) as $column_name ) { |
| 105 | $fields[] = $column_name; |
| 106 | } |
| 107 | } |
| 108 | |
| 109 | return $fields; |
| 110 | } |
| 111 | |
| 112 | /** |
| 113 | * Filter inputs. |
| 114 | * |
| 115 | * @param array $inputs user inputs. |
| 116 | * |
| 117 | * @return array |
| 118 | */ |
| 119 | private function filter_inputs( $inputs ) { |
| 120 | $table_fields = $this->get_fields(); |
| 121 | |
| 122 | // Remove unwanted user input key. |
| 123 | $inputs = array_intersect_key( $inputs, array_flip( $table_fields ) ); |
| 124 | |
| 125 | // Handle fillable fields. |
| 126 | if ( is_array( $this->fillable ) ) { |
| 127 | $inputs = array_intersect_key( $inputs, array_flip( $this->fillable ) ); |
| 128 | } |
| 129 | |
| 130 | // Handle guarded fields. |
| 131 | if ( is_array( $this->guarded ) ) { |
| 132 | $inputs = array_diff_key( $inputs, array_flip( $this->guarded ) ); |
| 133 | } |
| 134 | |
| 135 | return $inputs; |
| 136 | } |
| 137 | |
| 138 | /** |
| 139 | * Get a record. |
| 140 | * |
| 141 | * @param array $where where clause. |
| 142 | * |
| 143 | * @return object|false object or false when not found. |
| 144 | */ |
| 145 | public function get_row( $where ) { |
| 146 | $result = false; |
| 147 | if ( $this->is_set_table() ) { |
| 148 | $result = QueryHelper::get_row( $this->table_name, $where, $this->primary_key ); |
| 149 | } |
| 150 | |
| 151 | return $result; |
| 152 | } |
| 153 | |
| 154 | /** |
| 155 | * Get all record from table. |
| 156 | * |
| 157 | * @param array $where where clause. |
| 158 | * @param string $order_by order by. |
| 159 | * @param string $order order. |
| 160 | * @param int $limit limit. |
| 161 | * |
| 162 | * @return array|false list of rows or false when table not set. |
| 163 | */ |
| 164 | public function get_all( $where, $order_by = 'id', $order = 'DESC', $limit = -1 ) { |
| 165 | $results = false; |
| 166 | $order_by_column = $order_by === $this->primary_key ? $this->primary_key : $order_by; |
| 167 | if ( $this->is_set_table() ) { |
| 168 | $results = QueryHelper::get_all( $this->table_name, $where, $order_by_column, $limit, $order ); |
| 169 | } |
| 170 | |
| 171 | return $results; |
| 172 | } |
| 173 | |
| 174 | /** |
| 175 | * Get column values |
| 176 | * |
| 177 | * @param string $column_name column name. |
| 178 | * @param array $where where. |
| 179 | * |
| 180 | * @return array |
| 181 | */ |
| 182 | public function get_col( $column_name, $where ) { |
| 183 | $where_clause = count( $where ) ? 'WHERE ' . QueryHelper::build_where_clause( $where ) : ''; |
| 184 | $query = $this->db->prepare( "SELECT {$column_name} FROM {$this->table_name} {$where_clause}" ); |
| 185 | |
| 186 | return $this->db->get_col( $query ); |
| 187 | } |
| 188 | |
| 189 | /** |
| 190 | * Get table record with pagination. |
| 191 | * |
| 192 | * @param integer $per_page per page record. |
| 193 | * @param integer $page current page number. |
| 194 | * @param array $args options like alias, select, where, search, joins, groupby, having, orderby. |
| 195 | * |
| 196 | * @return object|false object contains total_record, total_page, per_page, current_page, data. |
| 197 | */ |
| 198 | public function paginate( $per_page = 10, $page = 1, $args = array() ) { |
| 199 | if ( ! $this->is_set_table() ) { |
| 200 | return false; |
| 201 | } |
| 202 | |
| 203 | $alias = $args['alias'] ?? 'main'; |
| 204 | $table_with_alias = "{$this->table_name} AS {$alias}"; |
| 205 | |
| 206 | $select_clause = '*'; |
| 207 | $where_clause = ''; |
| 208 | |
| 209 | if ( isset( $args['select'] ) ) { |
| 210 | $select = $args['select']; |
| 211 | if ( is_array( $select ) && count( $select ) ) { |
| 212 | $select_clause = implode( ',', $args['select'] ); |
| 213 | } |
| 214 | } |
| 215 | |
| 216 | $join_clause = ''; |
| 217 | if ( isset( $args['joins'] ) && is_array( $args['joins'] ) ) { |
| 218 | foreach ( $args['joins'] as $join ) { |
| 219 | $type = isset( $join['type'] ) ? strtoupper( $join['type'] ) : 'LEFT'; |
| 220 | $table = $join['table']; |
| 221 | $on = $join['on']; |
| 222 | $join_clause .= " {$type} JOIN {$table} ON {$on} "; |
| 223 | } |
| 224 | } |
| 225 | |
| 226 | $groupby_clause = ''; |
| 227 | if ( isset( $args['groupby'] ) && $args['groupby'] ) { |
| 228 | $groupby_clause = 'GROUP BY ' . $args['groupby']; |
| 229 | } |
| 230 | |
| 231 | $having_clause = ''; |
| 232 | if ( isset( $args['having'] ) && $args['having'] ) { |
| 233 | $having_clause = 'HAVING ' . $args['having']; |
| 234 | } |
| 235 | |
| 236 | if ( isset( $args['where'] ) && is_array( $args['where'] ) ) { |
| 237 | $where = $args['where']; |
| 238 | $where_clause = count( $where ) ? 'WHERE ' . QueryHelper::build_where_clause( $where ) : ''; |
| 239 | } |
| 240 | |
| 241 | if ( isset( $args['search'] ) && is_array( $args['search'] ) ) { |
| 242 | if ( count( $args['search'] ) ) { |
| 243 | $where_clause .= ( empty( $where_clause ) ? 'WHERE ' : ' AND ' ) . QueryHelper::build_like_clause( $args['search'], 'AND' ); |
| 244 | } |
| 245 | } |
| 246 | |
| 247 | $orderby = $args['orderby'] ?? $this->primary_key; |
| 248 | $order = 'DESC' === strtoupper( $args['order'] ?? 'DESC' ) ? 'DESC' : 'ASC'; |
| 249 | $orderby_sql = sanitize_sql_orderby( "{$orderby} {$order}" ); |
| 250 | |
| 251 | $page = max( $page, 1 ); |
| 252 | $offset = ( $page - 1 ) * $per_page; |
| 253 | if ( $offset < 0 ) { |
| 254 | $offset = 0; |
| 255 | } |
| 256 | |
| 257 | $sql_query = $this->db->prepare( |
| 258 | "SELECT SQL_CALC_FOUND_ROWS {$select_clause} |
| 259 | FROM {$table_with_alias} {$join_clause} {$where_clause} {$groupby_clause} {$having_clause} |
| 260 | ORDER BY {$orderby_sql} |
| 261 | LIMIT %d, %d", |
| 262 | $offset, |
| 263 | $per_page |
| 264 | ); |
| 265 | |
| 266 | $rows = $this->db->get_results( $sql_query ); |
| 267 | |
| 268 | $has_records = is_array( $rows ) && count( $rows ); |
| 269 | $total_record = (int) $has_records ? $this->db->get_var( 'SELECT FOUND_ROWS()' ) : 0; |
| 270 | $total_page = (int) ceil( $total_record / $per_page ); |
| 271 | $pagination = array( |
| 272 | 'total_record' => (int) $total_record, |
| 273 | 'per_page' => $per_page, |
| 274 | 'current_page' => $page, |
| 275 | 'total_page' => $total_page, |
| 276 | 'data' => $rows, |
| 277 | ); |
| 278 | |
| 279 | return (object) $pagination; |
| 280 | |
| 281 | } |
| 282 | |
| 283 | /** |
| 284 | * Count record. |
| 285 | * |
| 286 | * @param array $where where clause. |
| 287 | * |
| 288 | * @return int |
| 289 | */ |
| 290 | public function count( $where ) { |
| 291 | if ( ! $this->is_set_table() ) { |
| 292 | return 0; |
| 293 | } |
| 294 | |
| 295 | return QueryHelper::get_count( $this->table_name, $where, array(), $this->primary_key ); |
| 296 | } |
| 297 | |
| 298 | /** |
| 299 | * Create record |
| 300 | * |
| 301 | * @since 3.0.0 |
| 302 | * |
| 303 | * @param array $data data. |
| 304 | * |
| 305 | * @return int|false id or false when creation failed. |
| 306 | */ |
| 307 | public function create( $data ) { |
| 308 | $insert = false; |
| 309 | $filtered = $this->filter_inputs( $data ); |
| 310 | |
| 311 | if ( $this->is_set_table() && count( $filtered ) ) { |
| 312 | $insert = $this->db->insert( $this->table_name, $filtered ); |
| 313 | if ( $insert ) { |
| 314 | return $this->db->insert_id; |
| 315 | } |
| 316 | } |
| 317 | |
| 318 | return $insert; |
| 319 | } |
| 320 | |
| 321 | /** |
| 322 | * Update record |
| 323 | * |
| 324 | * @since 3.0.0 |
| 325 | * |
| 326 | * @param int $id id. |
| 327 | * @param array $data data. |
| 328 | * |
| 329 | * @return int|false id or false when failed. |
| 330 | */ |
| 331 | public function update( $id, $data ) { |
| 332 | $update = false; |
| 333 | $filtered = $this->filter_inputs( $data ); |
| 334 | |
| 335 | if ( $this->is_set_table() && count( $filtered ) ) { |
| 336 | $this->db->update( $this->table_name, $filtered, array( $this->primary_key => $id ) ); |
| 337 | $update = $this->db->last_error ? false : $id; |
| 338 | } |
| 339 | |
| 340 | return $update; |
| 341 | } |
| 342 | |
| 343 | /** |
| 344 | * Delete a record. |
| 345 | * |
| 346 | * @since 3.0.0 |
| 347 | * |
| 348 | * @param int $id id. |
| 349 | * |
| 350 | * @return bool |
| 351 | */ |
| 352 | public function delete( $id ) { |
| 353 | $deleted = false; |
| 354 | if ( $this->is_set_table() ) { |
| 355 | $deleted = (bool) $this->db->delete( $this->table_name, array( $this->primary_key => $id ) ); |
| 356 | } |
| 357 | |
| 358 | return $deleted; |
| 359 | } |
| 360 | } |
| 361 |