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| 1 | <?php |
| 2 | /** |
| 3 | * The workflow repository responsible for communicating with the database. |
| 4 | * |
| 5 | * @package automattic/jetpack-crm |
| 6 | * @since 6.2.0 |
| 7 | */ |
| 8 | |
| 9 | namespace Automattic\Jetpack\CRM\Automation\Workflow; |
| 10 | |
| 11 | use Automattic\Jetpack\CRM\Automation\Automation_Workflow; |
| 12 | use Automattic\Jetpack\CRM\Automation\Workflow_Exception; |
| 13 | use wpdb; |
| 14 | |
| 15 | /** |
| 16 | * Class Workflow_Repository. |
| 17 | * |
| 18 | * @since 6.2.0 |
| 19 | */ |
| 20 | class Workflow_Repository { |
| 21 | |
| 22 | /** |
| 23 | * The WordPress database access layer. |
| 24 | * |
| 25 | * @since 6.2.0 |
| 26 | * @var wpdb |
| 27 | */ |
| 28 | protected $wpdb; |
| 29 | |
| 30 | /** |
| 31 | * The workflows table name. |
| 32 | * |
| 33 | * @var string |
| 34 | */ |
| 35 | protected $table_name; |
| 36 | |
| 37 | /** |
| 38 | * Constructor. |
| 39 | * |
| 40 | * @global wpdb $wpdb WordPress database abstraction object. |
| 41 | * @global string[] $ZBSCRM_t An array of Jetpack CRM table names. |
| 42 | * @since 6.2.0 |
| 43 | */ |
| 44 | public function __construct() { |
| 45 | global $wpdb, $ZBSCRM_t; // phpcs:ignore WordPress.NamingConventions.ValidVariableName.VariableNotSnakeCase |
| 46 | |
| 47 | $this->wpdb = $wpdb; |
| 48 | $this->table_name = $ZBSCRM_t['automation-workflows']; // phpcs:ignore WordPress.NamingConventions.ValidVariableName.VariableNotSnakeCase |
| 49 | } |
| 50 | |
| 51 | /** |
| 52 | * Find Workflow by ID. |
| 53 | * |
| 54 | * @since 6.2.0 |
| 55 | * |
| 56 | * @param int $id The workflow ID. |
| 57 | * @return Automation_Workflow|false The workflow object or false if not found. |
| 58 | */ |
| 59 | public function find( int $id ) { |
| 60 | $row = $this->wpdb->get_row( |
| 61 | $this->wpdb->prepare( "SELECT * FROM {$this->table_name} WHERE id=%d", $id ), // phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared, WordPress.DB.PreparedSQL.InterpolatedNotPrepared |
| 62 | ARRAY_A |
| 63 | ); |
| 64 | |
| 65 | if ( ! is_array( $row ) ) { |
| 66 | return false; |
| 67 | } |
| 68 | |
| 69 | return $this->map_row_to_workflow( $row ); |
| 70 | } |
| 71 | |
| 72 | /** |
| 73 | * Get all workflows. |
| 74 | * |
| 75 | * @since 6.2.0 |
| 76 | * |
| 77 | * @return Automation_Workflow[] |
| 78 | */ |
| 79 | public function find_all(): array { |
| 80 | return $this->find_by( array() ); |
| 81 | } |
| 82 | |
| 83 | /** |
| 84 | * Find workflows with the given criteria. |
| 85 | * |
| 86 | * @todo Implement "order by" logic. |
| 87 | * |
| 88 | * @since 6.2.0 |
| 89 | * |
| 90 | * @param array $criteria Workflow arguments to filter the workflows result. |
| 91 | * @param string $order_by The column to order by. |
| 92 | * @param int $limit The maximum number of results to return. |
| 93 | * @param int $offset The offset to start from. |
| 94 | * |
| 95 | * @return Automation_Workflow[] |
| 96 | */ |
| 97 | public function find_by( array $criteria, string $order_by = 'id', int $limit = 0, int $offset = 0 ): array { |
| 98 | $query = "SELECT * FROM {$this->table_name}"; |
| 99 | |
| 100 | $allowed_criteria = array( |
| 101 | 'active' => '%d', |
| 102 | 'name' => '%s', |
| 103 | 'category' => '%s', |
| 104 | 'created_at' => '%d', |
| 105 | 'updated_at' => '%d', |
| 106 | ); |
| 107 | |
| 108 | $where = array(); |
| 109 | |
| 110 | // Prepare the WHERE criteria. |
| 111 | foreach ( $criteria as $key => $value ) { |
| 112 | if ( ! isset( $allowed_criteria[ $key ] ) ) { |
| 113 | continue; |
| 114 | } |
| 115 | $where[] = $this->wpdb->prepare( "{$key}={$allowed_criteria[ $key ]}", $value ); // phpcs:ignore WordPress.DB.PreparedSQLPlaceholders.UnfinishedPrepare, WordPress.DB.PreparedSQL.InterpolatedNotPrepared |
| 116 | } |
| 117 | |
| 118 | // Build the WHERE clause. |
| 119 | if ( ! empty( $where ) ) { |
| 120 | $query .= ' WHERE ' . implode( ' AND ', $where ); |
| 121 | } |
| 122 | |
| 123 | // Add limit/offset clause. |
| 124 | if ( $limit > 0 || $offset > 0 ) { |
| 125 | // It seems intuitive to provide "0" to mean "no limit", but technically it means that |
| 126 | // we do not want to return any results at all, so to help with the developer experience |
| 127 | // we convert "0" to a very high number instead. |
| 128 | if ( 0 === $limit ) { |
| 129 | $limit = PHP_INT_MAX; |
| 130 | } |
| 131 | |
| 132 | $query .= $this->wpdb->prepare( // phpcs:ignore WordPress.DB.PreparedSQLPlaceholders.UnfinishedPrepare, WordPress.DB.PreparedSQL.InterpolatedNotPrepared |
| 133 | ' LIMIT %d OFFSET %d', |
| 134 | $limit, |
| 135 | $offset |
| 136 | ); |
| 137 | } |
| 138 | |
| 139 | $rows = $this->wpdb->get_results( $query, ARRAY_A ); // phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared |
| 140 | |
| 141 | if ( empty( $rows ) ) { |
| 142 | return array(); |
| 143 | } |
| 144 | |
| 145 | foreach ( $rows as $index => $row ) { |
| 146 | $rows[ $index ] = $this->map_row_to_workflow( $row ); |
| 147 | } |
| 148 | |
| 149 | return $rows; |
| 150 | } |
| 151 | |
| 152 | /** |
| 153 | * Persist a workflow. |
| 154 | * |
| 155 | * This is used to both update and create a workflow. |
| 156 | * |
| 157 | * @since 6.2.0 |
| 158 | * |
| 159 | * @param Automation_Workflow $workflow The workflow to persist. |
| 160 | * @return void |
| 161 | * |
| 162 | * @throws Workflow_Exception Throw error if the workflow could not be persisted. |
| 163 | */ |
| 164 | public function persist( Automation_Workflow $workflow ): void { |
| 165 | if ( $workflow->get_id() && is_numeric( $workflow->get_id() ) ) { |
| 166 | $this->update( $workflow ); |
| 167 | } else { |
| 168 | $this->insert( $workflow ); |
| 169 | } |
| 170 | } |
| 171 | |
| 172 | /** |
| 173 | * Prepare the data to persist. |
| 174 | * |
| 175 | * @since 6.2.0 |
| 176 | * |
| 177 | * @param Automation_Workflow $workflow The workflow to persist. |
| 178 | * @return array The workflow raw data. |
| 179 | */ |
| 180 | protected function prepare_data_to_persist( Automation_Workflow $workflow ): array { |
| 181 | $data = $workflow->to_array(); |
| 182 | |
| 183 | $data['triggers'] = wp_json_encode( $data['triggers'] ); |
| 184 | $data['steps'] = wp_json_encode( $data['steps'] ); |
| 185 | |
| 186 | return $data; |
| 187 | } |
| 188 | |
| 189 | /** |
| 190 | * Insert a workflow into the database. |
| 191 | * |
| 192 | * @since 6.2.0 |
| 193 | * |
| 194 | * @param Automation_Workflow $workflow The workflow to persist. |
| 195 | * |
| 196 | * @throws Workflow_Exception Throw error if the workflow could not be inserted. |
| 197 | */ |
| 198 | protected function insert( Automation_Workflow $workflow ) { |
| 199 | |
| 200 | $time = time(); |
| 201 | $workflow->set_created_at( $time ); |
| 202 | $workflow->set_updated_at( $time ); |
| 203 | |
| 204 | $data = $this->prepare_data_to_persist( $workflow ); |
| 205 | |
| 206 | // Technically speaking, then "id" could contain a string which |
| 207 | // would cause conflicts with the database, so we should unset |
| 208 | // it to be safe. |
| 209 | unset( $data['id'] ); |
| 210 | |
| 211 | $inserted = $this->wpdb->insert( |
| 212 | $this->table_name, |
| 213 | $data |
| 214 | ); |
| 215 | |
| 216 | if ( ! $inserted ) { |
| 217 | throw new Workflow_Exception( |
| 218 | $this->wpdb->last_error, |
| 219 | Workflow_Exception::FAILED_TO_INSERT |
| 220 | ); |
| 221 | } |
| 222 | |
| 223 | $workflow->set_id( $this->wpdb->insert_id ); |
| 224 | } |
| 225 | |
| 226 | /** |
| 227 | * Update a workflow. |
| 228 | * |
| 229 | * @since 6.2.0 |
| 230 | * |
| 231 | * @param Automation_Workflow $workflow The workflow to persist. |
| 232 | * @return void |
| 233 | * |
| 234 | * @throws Workflow_Exception Throw error if the workflow could not be updated. |
| 235 | */ |
| 236 | protected function update( Automation_Workflow $workflow ): void { |
| 237 | $workflow->set_updated_at( time() ); |
| 238 | |
| 239 | $data = $this->prepare_data_to_persist( $workflow ); |
| 240 | |
| 241 | $updated = $this->wpdb->update( |
| 242 | $this->table_name, |
| 243 | $data, |
| 244 | array( 'id' => $data['id'] ) |
| 245 | ); |
| 246 | |
| 247 | if ( ! $updated ) { |
| 248 | throw new Workflow_Exception( |
| 249 | $this->wpdb->last_error, |
| 250 | Workflow_Exception::FAILED_TO_UPDATE |
| 251 | ); |
| 252 | } |
| 253 | } |
| 254 | |
| 255 | /** |
| 256 | * Delete a workflow. |
| 257 | * |
| 258 | * @since 6.2.0 |
| 259 | * |
| 260 | * @param Automation_Workflow $workflow The workflow to delete. |
| 261 | * @return bool |
| 262 | * |
| 263 | * @throws Workflow_Exception Throw error if the workflow could not be deleted. |
| 264 | */ |
| 265 | public function delete( Automation_Workflow $workflow ): bool { |
| 266 | if ( ! is_numeric( $workflow->get_id() ) ) { |
| 267 | /** @todo Should this return an error since tried to delete a programmatically defined workflow? */ |
| 268 | return false; |
| 269 | } |
| 270 | |
| 271 | $deleted = $this->wpdb->delete( |
| 272 | $this->table_name, |
| 273 | array( 'id' => $workflow->get_id() ) |
| 274 | ); |
| 275 | |
| 276 | if ( ! $deleted ) { |
| 277 | throw new Workflow_Exception( |
| 278 | $this->wpdb->last_error, |
| 279 | Workflow_Exception::FAILED_TO_DELETE |
| 280 | ); |
| 281 | } |
| 282 | |
| 283 | return true; |
| 284 | } |
| 285 | |
| 286 | /** |
| 287 | * Map a database row to a workflow object. |
| 288 | * |
| 289 | * @since 6.2.0 |
| 290 | * |
| 291 | * @param array $row The database row. |
| 292 | * @return Automation_Workflow |
| 293 | */ |
| 294 | protected function map_row_to_workflow( array $row ): Automation_Workflow { |
| 295 | $row['triggers'] = json_decode( $row['triggers'] ); |
| 296 | $row['steps'] = json_decode( $row['steps'], true ); |
| 297 | |
| 298 | return new Automation_Workflow( $row ); |
| 299 | } |
| 300 | } |