public function resolve($var = null) { if (!$this->resolution) { // Resolve down to a real Model object, then call __get on it. $ids = $this->resolveState(); $results = Model::factoryObjectCache($ids, $this->currentTable, $this->database); if ($this->multiresult && !$results instanceof Collection) { $results = new Collection([$results]); } if (!$this->multiresult && $results instanceof Collection && $results->count() == 1) { $results = $results[0]; } $this->resolution = $results; } if (!is_null($var)) { return $this->resolution->{$var}; } return $this->resolution; }
public final function dataRefresh() { list($data) = Model::factoryData(['id' => $this->id], $this->table, $this->database); // Database data object unique to this object $this->_data = new Data($data, $this->table, Schema::get($this->database)); Data::updateCache($this->_data); // Call replacement constructor after storing in the cache list (to prevent recursion) $this->dataClearCache(); $this->_init(); return $this; }
public function joinCount($var, $where = []) { if (!is_null($this->__external[$var]) && !$this->__external[$var] instanceof Collection) { return 1; } if ($this->__external[$var]) { return $this->__external[$var]->filter($where)->count(); } // If this Model_Data isn't linked to the db yet, then linked values cannot exist if (!($id = $this->__data['id'])) { return 0; } /* FOREIGN KEYS */ // 1-1, just grab the object - not worth optimising if (key_exists($var, (array) $this->__model['one-to-one'])) { /* Call Tablename::factory(foreign key id) to get the object we want */ $table = $this->__model['one-to-one'][$var]; $this->__external[$var] = Model::factoryObjectCache($id, $table, $this->__database); return $this->__external[$var] ? 1 : 0; } // M-1, just grab the object - not worth optimising if (key_exists($var, (array) $this->__model['many-to-one'])) { /* Call Tablename::factory(foreign key id) to get the object we want */ $table = $this->__model['many-to-one'][$var]; $this->__external[$var] = Model::factoryObjectCache($this->__data[$var . '_id'], $table, $this->__database); return $this->__external[$var] ? 1 : 0; } /* Look for lists of objects in other tables referencing this one */ if (key_exists($var, (array) $this->__model['one-to-many'])) { $table = $this->__model['one-to-many'][$var]['table']; $column = $this->__model['one-to-many'][$var]['column_name']; // Use the model factory to find the relevant items list($data) = Model::factoryDataCount($where + [$column => $id], $table, $this->__database); return $data['count']; } if (key_exists($var, (array) $this->__model['many-to-many'])) { // Get pivot schema $pivot = $this->__model['many-to-many'][$var]; // We can only support simple connection access for 2 key pivots. if (count($pivot['connections']) != 1) { throw new Exception\Model('MODEL_DATA:CANNOT_CALL_MULTIPIVOT_AS_PROPERTY', array($var)); } // Get a list of ids linked to this object (i.e. the tablename_id stored in the pivot table) $pivot_schema = $this->__schema->getTable($pivot['pivot']); $pivot_tablename = $pivot_schema['table_name']; $clauses = []; if ($where) { foreach ($where as $clause_column => $clause_value) { // Rewrite $where clauses to insert `pivotjoin` table in column name preg_match('/^([!=<>%]*)(.+?)([!=<>%]*)$/', $clause_column, $parts); $prefix = $parts[1] ?: $parts[3]; $clause_column = $parts[2]; $clauses['`pivotjoin`.`' . $clause_column . '`' . $prefix] = $clause_value; } } // Build Query $q = QueryBuilder::select([$pivot_tablename => 'pivot'], ['pivot.*'])->where(['`pivot`.' . $pivot['id'] => $this->__data['id']])->join([Schema::underscoreCase($pivot['connections'][0]['table']) => 'pivotjoin'])->joinOn(['pivotjoin.id' => "`pivot`.`{$pivot['connections'][0]['column']}`"])->where($clauses); $query = new Query($this->__database); list($raw) = $query->sql($q)->execute(); // Rearrange the list of ids into a flat array $id = array(); foreach ($raw as $raw_id) { $id[] = $raw_id[$pivot['connections'][0]['column']]; } $dedup = array_unique($id); return count($dedup); } throw new Exception\Model("MODEL_DATA:UNKNOWN_FOREIGN_PROPERTY", ['property' => $var, 'data' => $this]); }