ORM: Gestion de la modification (avec possibilité de jointures)
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xdrm-brackets
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db2215844f
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571bb432f6
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@ -18,7 +18,6 @@
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/* Attributs */
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private $where; // Tableau associatif contenant les conditions
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private $whereOrder; // Ordonnanciation des ET/OU des conditions
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private $select; // Tableau contenant la liste des champs à afficher
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private $unique; // VRAI si on attend une valeur unique
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private $schema; // Tableau contenant les informations associées aux données
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@ -37,16 +36,13 @@
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/* (2) On initialise les conditions */
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$this->where = [];
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/* (3) On initialise le conteneur de l'ordre des conditions */
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$this->whereOrder = [];
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/* (4) On initialise les champs à retourner */
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/* (3) On initialise les champs à retourner */
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$this->select = [];
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/* (5) On initialise le caractère 'unique' du résultat */
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/* (4) On initialise le caractère 'unique' du résultat */
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$this->unique = false;
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/* (6) On initialise les jointures */
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/* (5) On initialise les jointures */
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$this->joined = [];
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}
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@ -194,7 +190,7 @@
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}
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/* (2) On vérifie que la colonne existe */
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if( !array_key_exists($column_name, $this->schema['columns']) )
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if( !isset($this->schema['columns'][$column_name]) )
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return $this; // si n'existe pas, on ne fait rien
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@ -256,7 +252,7 @@
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/* (2) On vérifie que chaque champ existe, sinon on le retire */
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foreach($fields as $f=>$field)
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if( !array_key_exists($field, $this->schema['columns']) )
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if( !isset($this->schema['columns'][$field]) )
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unset($fields[$f]);
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/* (3) Permet d'avoir les indices de 0 à count-1 */
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@ -345,14 +341,137 @@
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/* MODIFIE DES ENTREES
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/* MODIFIE DES ENTREES (SANS MODIFICATION DE CLE PRIMAIRE POSSIBLE)
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*
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* @updates<Array> Tableau associatif contenant les nouvelles valeurs
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*
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* @return this<Rows> Retourne l'objet courant (modifié)
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* @return updated<Boolean> Retourne si TRUE/FALSE la modification a bien été faite
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*
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*/
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public function edit($updates){}
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public function edit($updates){
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/* [0] Vérification des paramètres
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=========================================================*/
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/* (1) Si c'est pas un tableau, erreur */
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if( !is_array($updates) )
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return $this;
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/* (2) On retire les champ inconnus / clés primaires */
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$cleared = [];
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// Pour chaque entrée du tableau
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foreach($updates as $field=>$value)
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if( isset($this->schema['columns'][$field]) && !$this->schema['columns'][$field]['primary'] ) // Champ existe et n'est pas clé primaire
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$cleared[$field] = $value;
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/* (3) On vérifie les types des champs */
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foreach($cleared as $field=>$value){
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$type = $this->schema['columns'][$field]['type'];
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// {1} Si de type INT/FLOAT et pas numérique, on retire le champ //
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if( in_array($type, ['int', 'float']) && !is_numeric($value) )
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unset($cleared[$field]);
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// {2} Si de type TEXT/VARCHAR et pas string, on retire le champ //
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if( in_array($type, ['text', 'varchar']) && !is_string($value) )
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unset($cleared[$field]);
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}
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/* (4) Si on a plus de champ, on retourne l'object courant */
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if( count($cleared) == 0 )
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return $this;
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/* [1] Rédaction de la clause UPDATE
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=========================================================*/
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/* (1) On initialise la requête */
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$requestS = "UPDATE ".$this->schema['table']."\n";
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/* [2] Rédaction de la clause SET
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=========================================================*/
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/* (5) On met tout les champs à modifier */
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$c = 0;
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foreach($cleared as $field=>$value){
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if( $c == 0 ) $requestS .= 'SET '.$field.' = :update_'.$field;
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else $requestS .= "\n, ".$field.' = :update_'.$field;
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$c++;
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}
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$requestS .= "\n";
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/* [3] On rédige la clause WHERE/AND
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=========================================================*/
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/* (1) On met les conditions locales */
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$c = 0;
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foreach($this->where as $field=>$conditions)
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foreach($conditions as $cdt=>$value){
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if( $c == 0 ) $requestS .= 'WHERE '.$this->schema['table'].'.'.$field.' '.$value[1].' :'.$this->schema['table'].'_x_'.$field.'_'.$cdt."\n";
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else $requestS .= 'AND '.$this->schema['table'].'.'.$field.' '.$value[1].' :'.$this->schema['table'].'_x_'.$field.'_'.$cdt."\n";
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$c++;
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}
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/* (2) On ajoute les jointures */
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foreach($this->joined as $localField=>$rows){
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if( $c == 0 ) $requestS .= 'WHERE ';
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else $requestS .= 'AND ';
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// {1} Clause SELECT interne //
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$requestS .= $this->schema['table'].'.'.$localField." = (\n\tSELECT ";
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// Jointure du SELECT, champ joint lié au champ local
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$requestS .= $rows->schema['table'].'.'.$this->schema['columns'][$localField]['references'][1]."\n";
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// {2} Clause FROM interne //
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$requestS .= "\tFROM ".$this->schema['columns'][$localField]['references'][0]."\n";
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// {3} Clause WHERE/AND interne //
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$c2 = 0;
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foreach($rows->where as $field=>$conditions)
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foreach($conditions as $cdt=>$value){
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if( $c2 == 0 ) $requestS .= "\tWHERE ".$rows->schema['table'].'.'.$field.' '.$value[1].' :'.$rows->schema['table'].'_x_'.$field.'_'.$cdt."\n";
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else $requestS .= "\tAND ".$rows->schema['table'].'.'.$field.' '.$value[1].' :'.$rows->schema['table'].'_x_'.$field.'_'.$cdt."\n";
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$c2++;
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}
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$requestS .= "\tLIMIT 1)\n";
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}
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/* [4] On exécute la requête et 'bind' les paramètres
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=========================================================*/
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/* (0) On prépare la requête */
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$request = Database::getPDO()->prepare($requestS.';');
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$binded = [];
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/* (1) On bind tous les paramètres locaux */
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foreach($this->where as $field=>$conditions)
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foreach($conditions as $cdt=>$value)
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$binded[':'.$this->schema['table'].'_x_'.$field.'_'.$cdt] = $value[0];
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/* (3) On bind tous les paramètres des jointures */
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foreach($this->joined as $rows)
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foreach($rows->where as $field=>$conditions)
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foreach($conditions as $cdt=>$value)
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$binded[':'.$rows->schema['table'].'_x_'.$field.'_'.$cdt] = $value[0];
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/* (4) On bind les nouvelles valeurs */
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foreach($cleared as $field=>$value)
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$binded[':update_'.$field] = $value;
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/* [6] On exécute la requête et retourne le résultat
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=========================================================*/
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/* (1) On exécute la requête */
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$updated = $request->execute($binded);
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/* (2) On retourne l'état de la requête */
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return $updated;
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}
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@ -471,7 +590,7 @@
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/* [6] On exécute la requête et 'bind' les paramètres
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=========================================================*/
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/* (0) On prépare la requête */
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$request = Database::getPDO()->prepare($requestS);
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$request = Database::getPDO()->prepare($requestS.';');
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$binded = [];
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/* (1) On bind tous les paramètres locaux */
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@ -562,7 +681,7 @@
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foreach($entry as $index=>$value)
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// Si dans le schéma on applique le type
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if( array_key_exists($index, $this->schema['columns']) ){
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if( isset($this->schema['columns'][$index]) ){
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if( $this->schema['columns'][$index]['type'] == 'int' )
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$formatted[$i][$index] = intval( $value );
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@ -62,8 +62,8 @@
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foreach($columnsResult as $col){
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// On formatte le type //
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$type = $col['Type'];
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if( preg_match('/^(int|varchar|text)/i', $type, $m) )
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$type = ($m[1] == 'int') ? 'int' : 'text';
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if( preg_match('/^(int|float|varchar|text)/i', $type, $m) )
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$type = strtolower($m[1]);
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// On ajoute la colonne //
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$columns[$col['Field']] = [
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@ -344,18 +344,27 @@
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$warehouse =
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Table::get('warehouse') // Access to table 'warehouse'
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->getByName('stef-montauban'); // condition : name = 'my-warehouse'
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->whereName(['s%', Rows::COND_LIKE]); // condition : name = 'my-warehouse'
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$myUser =
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Table::get('user') // Access to table 'user'
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->whereId([3, Rows::COND_SUP]) // PRIMARY KEY (if composed, all arguments in array)
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->whereId([100, Rows::COND_INF]) // PRIMARY KEY (if composed, all arguments in array)
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->whereUsername(['g%', Rows::COND_LIKE]) // Dynamic getter 'getByMySuperColumn' -> 'my_super_column'
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->select(['mail', 'username', 'firstname']) // Select clause
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->select('id_user') // Select clause (added)
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->whereId([3, Rows::COND_INF]) // PRIMARY KEY (if composed, all arguments in array)
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// ->whereId([100, Rows::COND_INF]) // PRIMARY KEY (other condition on same field)
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// ->whereUsername(['jo%', Rows::COND_LIKE]) // Dynamic getter 'getByMySuperColumn' -> 'my_super_column'
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// ->select(['mail', 'username', 'firstname']) // Select clause
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// ->select('id_user') // Select clause (added)
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->join('id_warehouse', $warehouse) // joins warehouse (with name 'my-warehouse') to column 'id_warehouse'
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// ->unique() // unique result
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->fetch(); // Result
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// SELECT
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// ->fetch(); // Result
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// UPDATE
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->edit([
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'id_warehouse' => '8'
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]);
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var_dump($myUser);
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