Code Coverage |
||||||||||
Lines |
Functions and Methods |
Classes and Traits |
||||||||
| Total | |
0.00% |
0 / 87 |
|
0.00% |
0 / 9 |
CRAP | |
0.00% |
0 / 1 |
| BasicDbStorage | |
0.00% |
0 / 87 |
|
0.00% |
0 / 9 |
600 | |
0.00% |
0 / 1 |
| __construct | |
0.00% |
0 / 5 |
|
0.00% |
0 / 1 |
6 | |||
| insert | |
0.00% |
0 / 9 |
|
0.00% |
0 / 1 |
6 | |||
| update | |
0.00% |
0 / 17 |
|
0.00% |
0 / 1 |
12 | |||
| remove | |
0.00% |
0 / 12 |
|
0.00% |
0 / 1 |
6 | |||
| find | |
0.00% |
0 / 11 |
|
0.00% |
0 / 1 |
20 | |||
| doFindQuery | |
0.00% |
0 / 7 |
|
0.00% |
0 / 1 |
2 | |||
| fallbackFindMulti | |
0.00% |
0 / 4 |
|
0.00% |
0 / 1 |
6 | |||
| findMulti | |
0.00% |
0 / 21 |
|
0.00% |
0 / 1 |
56 | |||
| getPrimaryKeyColumns | |
0.00% |
0 / 1 |
|
0.00% |
0 / 1 |
2 | |||
| 1 | <?php |
| 2 | |
| 3 | namespace Flow\Data\Storage; |
| 4 | |
| 5 | use Flow\Data\ObjectManager; |
| 6 | use Flow\Data\Utils\MultiDimArray; |
| 7 | use Flow\DbFactory; |
| 8 | use Flow\Exception\DataModelException; |
| 9 | use Flow\Exception\DataPersistenceException; |
| 10 | use Flow\Model\UUID; |
| 11 | use InvalidArgumentException; |
| 12 | |
| 13 | /** |
| 14 | * Standard backing store for data model with no special cases which is stored |
| 15 | * in a single table in mysql. |
| 16 | * |
| 17 | * Doesn't support updating primary key value yet |
| 18 | * Doesn't support auto-increment pk yet |
| 19 | */ |
| 20 | class BasicDbStorage extends DbStorage { |
| 21 | /** |
| 22 | * @var string |
| 23 | */ |
| 24 | protected $table; |
| 25 | |
| 26 | /** |
| 27 | * @var string[] |
| 28 | */ |
| 29 | protected $primaryKey; |
| 30 | |
| 31 | /** |
| 32 | * @param DbFactory $dbFactory |
| 33 | * @param string $table |
| 34 | * @param string[] $primaryKey |
| 35 | * @throws DataModelException |
| 36 | */ |
| 37 | public function __construct( DbFactory $dbFactory, $table, array $primaryKey ) { |
| 38 | if ( !$primaryKey ) { |
| 39 | throw new DataModelException( 'PK required', 'process-data' ); |
| 40 | } |
| 41 | parent::__construct( $dbFactory ); |
| 42 | $this->table = $table; |
| 43 | $this->primaryKey = $primaryKey; |
| 44 | } |
| 45 | |
| 46 | /** |
| 47 | * Inserts a set of rows into the database |
| 48 | * |
| 49 | * @param array $rows The rows to insert. Also accepts a single row. |
| 50 | * @return array|false An array of the rows that now exist |
| 51 | * in the database. Integrity of keys is guaranteed. |
| 52 | */ |
| 53 | public function insert( array $rows ) { |
| 54 | // Only allow the row to include key/value pairs. |
| 55 | // No raw SQL. |
| 56 | if ( is_array( reset( $rows ) ) ) { |
| 57 | $insertRows = $this->preprocessNestedSqlArray( $rows ); |
| 58 | } else { |
| 59 | $insertRows = [ $this->preprocessSqlArray( $rows ) ]; |
| 60 | } |
| 61 | |
| 62 | // insert returns boolean true/false |
| 63 | $this->dbFactory->getDB( DB_PRIMARY )->newInsertQueryBuilder() |
| 64 | ->insertInto( $this->table ) |
| 65 | ->rows( $insertRows ) |
| 66 | ->caller( __METHOD__ . " ({$this->table})" ) |
| 67 | ->execute(); |
| 68 | |
| 69 | return $rows; |
| 70 | } |
| 71 | |
| 72 | /** |
| 73 | * Update a single row in the database. |
| 74 | * |
| 75 | * @param array $old The current state of the row. |
| 76 | * @param array $new The desired new state of the row. |
| 77 | * @return bool Whether or not the operation was successful. |
| 78 | * @throws DataPersistenceException |
| 79 | */ |
| 80 | public function update( array $old, array $new ) { |
| 81 | $pk = ObjectManager::splitFromRow( $old, $this->primaryKey ); |
| 82 | if ( $pk === null ) { |
| 83 | $missing = array_diff( $this->primaryKey, array_keys( $old ) ); |
| 84 | throw new DataPersistenceException( 'Row has null primary key: ' . implode( ', ', $missing ), 'process-data' ); |
| 85 | } |
| 86 | $updates = $this->calcUpdates( $old, $new ); |
| 87 | if ( !$updates ) { |
| 88 | return true; // nothing to change, success |
| 89 | } |
| 90 | |
| 91 | // Only allow the row to include key/value pairs. |
| 92 | // No raw SQL. |
| 93 | $updates = $this->preprocessSqlArray( $updates ); |
| 94 | $pk = $this->preprocessSqlArray( $pk ); |
| 95 | |
| 96 | $dbw = $this->dbFactory->getDB( DB_PRIMARY ); |
| 97 | // update returns boolean true/false as $res |
| 98 | $dbw->newUpdateQueryBuilder() |
| 99 | ->update( $this->table ) |
| 100 | ->set( $updates ) |
| 101 | ->where( $pk ) |
| 102 | ->caller( __METHOD__ . " ({$this->table})" ) |
| 103 | ->execute(); |
| 104 | // we also want to check that $pk actually selected a row to update |
| 105 | return (bool)$dbw->affectedRows(); |
| 106 | } |
| 107 | |
| 108 | /** |
| 109 | * @param array $row |
| 110 | * @return bool success |
| 111 | * @throws DataPersistenceException |
| 112 | */ |
| 113 | public function remove( array $row ) { |
| 114 | $pk = ObjectManager::splitFromRow( $row, $this->primaryKey ); |
| 115 | if ( $pk === null ) { |
| 116 | $missing = array_diff( $this->primaryKey, array_keys( $row ) ); |
| 117 | throw new DataPersistenceException( 'Row has null primary key: ' . implode( ', ', $missing ), 'process-data' ); |
| 118 | } |
| 119 | |
| 120 | $pk = $this->preprocessSqlArray( $pk ); |
| 121 | |
| 122 | $dbw = $this->dbFactory->getDB( DB_PRIMARY ); |
| 123 | $dbw->newDeleteQueryBuilder() |
| 124 | ->deleteFrom( $this->table ) |
| 125 | ->where( $pk ) |
| 126 | ->caller( __METHOD__ . " ({$this->table})" ) |
| 127 | ->execute(); |
| 128 | return (bool)$dbw->affectedRows(); |
| 129 | } |
| 130 | |
| 131 | /** |
| 132 | * @param array $attributes |
| 133 | * @param array $options |
| 134 | * @return array Empty array means no result. Array with results is success. |
| 135 | * @throws DataModelException On query failure |
| 136 | */ |
| 137 | public function find( array $attributes, array $options = [] ) { |
| 138 | $attributes = $this->preprocessSqlArray( $attributes ); |
| 139 | |
| 140 | if ( !$this->validateOptions( $options ) ) { |
| 141 | throw new InvalidArgumentException( "Validation error in database options" ); |
| 142 | } |
| 143 | |
| 144 | $dbr = $this->dbFactory->getDB( DB_REPLICA ); |
| 145 | $res = $this->doFindQuery( $attributes, $options ); |
| 146 | if ( $res === false ) { |
| 147 | throw new DataModelException( __METHOD__ . ': Query failed: ' . $dbr->lastError(), 'process-data' ); |
| 148 | } |
| 149 | |
| 150 | $result = []; |
| 151 | foreach ( $res as $row ) { |
| 152 | $result[] = UUID::convertUUIDs( (array)$row, 'alphadecimal' ); |
| 153 | } |
| 154 | return $result; |
| 155 | } |
| 156 | |
| 157 | protected function doFindQuery( array $preprocessedAttributes, array $options = [] ) { |
| 158 | return $this->dbFactory->getDB( DB_REPLICA )->newSelectQueryBuilder() |
| 159 | ->select( '*' ) |
| 160 | ->from( $this->table ) |
| 161 | ->where( $preprocessedAttributes ) |
| 162 | ->caller( __METHOD__ . " ({$this->table})" ) |
| 163 | ->options( $options ) |
| 164 | ->fetchResultSet(); |
| 165 | } |
| 166 | |
| 167 | protected function fallbackFindMulti( array $queries, array $options ) { |
| 168 | $result = []; |
| 169 | foreach ( $queries as $key => $query ) { |
| 170 | $result[$key] = $this->find( $query, $options ); |
| 171 | } |
| 172 | return $result; |
| 173 | } |
| 174 | |
| 175 | /** |
| 176 | * @param array $queries |
| 177 | * @param array $options |
| 178 | * @return array |
| 179 | * @throws DataModelException |
| 180 | */ |
| 181 | public function findMulti( array $queries, array $options = [] ) { |
| 182 | $keys = array_keys( reset( $queries ) ); |
| 183 | $pks = $this->getPrimaryKeyColumns(); |
| 184 | if ( count( $keys ) !== count( $pks ) || array_diff( $keys, $pks ) ) { |
| 185 | return $this->fallbackFindMulti( $queries, $options ); |
| 186 | } |
| 187 | $conds = []; |
| 188 | $dbr = $this->dbFactory->getDB( DB_REPLICA ); |
| 189 | foreach ( $queries as $query ) { |
| 190 | $conds[] = $dbr->andExpr( $this->preprocessSqlArray( $query ) ); |
| 191 | } |
| 192 | unset( $query ); |
| 193 | |
| 194 | // options can be ignored for primary key search |
| 195 | $res = $this->find( [ $dbr->orExpr( $conds ) ] ); |
| 196 | |
| 197 | // create temp array with pk value (usually uuid) as key and full db row |
| 198 | // as value |
| 199 | $temp = new MultiDimArray(); |
| 200 | foreach ( $res as $val ) { |
| 201 | $val = UUID::convertUUIDs( $val, 'alphadecimal' ); |
| 202 | $temp[ObjectManager::splitFromRow( $val, $this->primaryKey )] = $val; |
| 203 | } |
| 204 | |
| 205 | // build return value by mapping the database rows to the matching array |
| 206 | // index in $queries |
| 207 | $result = []; |
| 208 | foreach ( $queries as $i => $val ) { |
| 209 | $val = UUID::convertUUIDs( $val, 'alphadecimal' ); |
| 210 | $pk = ObjectManager::splitFromRow( $val, $this->primaryKey ); |
| 211 | if ( isset( $temp[$pk] ) ) { |
| 212 | $result[$i][] = $temp[$pk]; |
| 213 | } |
| 214 | } |
| 215 | |
| 216 | return $result; |
| 217 | } |
| 218 | |
| 219 | public function getPrimaryKeyColumns() { |
| 220 | return $this->primaryKey; |
| 221 | } |
| 222 | } |