[repo.formation] getProfessors(@form_id)

This commit is contained in:
xdrm-brackets 2018-03-05 18:48:47 +01:00
parent fec2a504a8
commit 3c97079d25
1 changed files with 103 additions and 16 deletions

View File

@ -13,37 +13,84 @@ use database\core\Repo_i;
class formation extends Repo_i {
public function create(string $label, bool $isInternal) : int{
$st = $this->pdo->prepare("INSERT INTO Formation (labelFormation, isInternal) VALUE (:label,:isInternal);");
/* (1) Creates a new formation
*
* @label<String> The formation label
* @isInternal<bool> Whether the formation is internal
*
* @return form_id<int> The formation UID (or NULL on error)
*
---------------------------------------------------------*/
public function create(string $label, bool $isInternal) : ?int{
$st->execute([
"label" => $label,
"isInternal" => $isInternal? 1 : 0
/* (1) Prepare statement */
$st = $this->pdo->prepare("INSERT INTO `Formation` (`labelFormation`, `isInternal`) VALUE (:label, :isInternal);");
/* (2) Bind params and execute statement */
if( is_bool($st) ) return NULL;
$success = $st->execute([
':label' => $label,
':isInternal' => $isInternal ? 1 : 0
]);
/* (3) Manage error */
if( !$success )
return NULL;
/* (4) Return inserted ID */
return $this->pdo->lastInsertId();
}
public function exists(string $label) : int{
$st = $this->pdo->prepare("SELECT idFormation FROM Formation WHERE labelFormation = :label");
$st->execute([
"label" => $label
]);
return $st->fetch()["idFormation"]?: 0;
/* (2) Check if a formation exists (by its label)
*
* @label<String> The formation label
*
* @return form_id<int> The formation UID (or NULL on error)
*
---------------------------------------------------------*/
public function exists(string $label) : ?int{
/* (1) Prepare statement */
$st = $this->pdo->prepare("SELECT `idFormation` FROM `Formation` WHERE `labelFormation` = :label");
/* (2) Bind params and execute statement */
if( is_bool($st) ) return NULL;
$success = $st->execute([ ':label' => $label ]);
/* (3) Manage error */
if( !$success )
return NULL;
/* (4) Return if we have a result */
return $st->fetch()['idFormation'] ?: 0;
}
/* (3) Deletes a formation
*
* @return deleted<bool> Whether the formation have been deleeted successfully
*
---------------------------------------------------------*/
public function delete(int $id) : bool{
$st = $this->pdo->prepare("DELETE FROM Formation WHERE idFormation = :id");
return $st->execute([
"id" => $id
]);
/* (1) Prepare statement */
$st = $this->pdo->prepare("DELETE FROM `Formation` WHERE `idFormation` = :id");
/* (2) Bind params and execute request */
if( is_bool($st) ) return false;
/* (3) Dispatch the execution status */
return $st->execute([ ':id' => $id ]);
}
/* (x) Gets a formation by its ID || getAll
/* (4) Gets a formation by its ID || getAll
*
* @form_id<int> [OPT] The formation id, if not set, getAll()
*
@ -84,4 +131,44 @@ class formation extends Repo_i {
}
/* (5) Gets all professors who teaches a formation by ids (array)
*
* @form_id<int> The formation id
*
* @return professors<array> The professors' UID matching the @form_id formation
*
---------------------------------------------------------*/
public function getProfessors(int $form_id) : array{
/* (1) Prepare statement */
$st = $this->pdo->prepare("SELECT p.idProfesseur
FROM Professeur p, Formation f
WHERE (
p.idProfesseur IN ( SELECT p_cr.idProfesseur FROM Professeur p_cr, UE ue, Cours c WHERE c.Professeur_idProfesseur = p_cr.idProfesseur AND c.UE_code = ue.code AND ue.Formation_idFormation = f.idFormation )
OR p.idProfesseur IN ( SELECT p_td.idProfesseur FROM Professeur p_td, UE ue, TD t WHERE t.Professeur_idProfesseur = p_td.idProfesseur AND t.UE_code = ue.code AND ue.Formation_idFormation = f.idFormation )
OR p.idProfesseur IN ( SELECT p_tp.idProfesseur FROM Professeur p_tp, UE ue, TP t WHERE t.Professeur_idProfesseur = p_tp.idProfesseur AND t.UE_code = ue.code AND ue.Formation_idFormation = f.idFormation )
)
AND f.idFormation = :form_id;");
/* (2) Bind params and execute statement */
if( is_bool($st) ) return [];
$success = $st->execute([ ':form_id' => $form_id ]);
/* (3) Manage error */
if( !$success )
return [];
/* (4) Get data */
$fetched = $st->fetchAll();
/* (5) Return [] on no result */
if( $fetched === false )
return [];
/* (6) Return data */
return $fetched;
}
}