[repo.professor] code clean up + error management (to test)
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xdrm-brackets
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@ -13,80 +13,238 @@ use database\core\Repo_i;
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class professor extends Repo_i {
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public function create(string $lastName, string $firstName, int $category, $hoursToDo = 0, $initials = "", $isAdmin = false , $casLogin = "" ) : int{
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$st = $this->pdo->prepare("INSERT INTO Professeur (casLogin, lastName, firstName, abreviation, admin,hoursToDo, Categorie_idCategorie)
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VALUE (:casLogin, :lastName, :firstName, :abrev, :admin, :hoursToDo, :cat);
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");
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$st->execute([
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"casLogin" => $casLogin,
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"lastName" => $lastName,
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"firstName" => $firstName,
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"abrev" => $initials,
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"admin" => $isAdmin? 1 : 0,
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"hoursToDo" => $hoursToDo,
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"cat" => $category
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/* (1) Creates a new professor
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*
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* @lastName<String> The professor's lastName
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* @firstName<String> The professor's firstName
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* @category<int> The professor's category ID
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* @hoursToDo<int> The professor's number of hours to do
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* @initials<int> The professor's initials
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* @isAdmin<bool> Whether the professor is an admin
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* @casLogin<String> The professor's CAS username
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*
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* @return prof_id<int> The professor's UID (or NULL on error)
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*
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---------------------------------------------------------*/
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public function create(string $lastName, string $firstName, int $category, $hoursToDo = 0, $initials = "", $isAdmin = false , $casLogin = "" ) : ?int{
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/* (1) Prepare Statement */
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$st = $this->pdo->prepare("INSERT INTO
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Professeur(`casLogin`, `lastName`, `firstName`, `abreviation`, `admin`, `hoursToDo`, `Categorie_idCategorie`)
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VALUE (:casLogin, :lastName, :firstName, :abrev, :is_admin, :hoursToDo, :cat);");
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/* (2) Bind params and execute */
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$success = $st->execute([
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':casLogin' => $casLogin,
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':lastName' => $lastName,
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':firstName' => $firstName,
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':abrev' => $initials,
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':is_admin' => $isAdmin ? 1 : 0,
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':hoursToDo' => $hoursToDo,
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':cat' => $category
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]);
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/* (3) Manage error */
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if( !$success )
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return NULL;
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/* (4) Return inserted ID */
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return $this->pdo->lastInsertId();
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}
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public function exists(string $lastName, string $firstName) : int{
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$st = $this->pdo->prepare("SELECT idProfesseur FROM Professeur WHERE firstName = :firstName AND lastName = :lastName");
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$st->execute([
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"firstName" => $firstName,
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"lastName" => $lastName
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/* (2) Check if a professor exists (by its names)
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*
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* @lastName<String> The professor's lastName
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* @firstName<String> The professor's firstName
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*
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* @return prof_id<int> The professor's UID (or NULL on error)
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*
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---------------------------------------------------------*/
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public function exists(string $lastName, string $firstName) : ?int{
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/* (1) Prepare Statement */
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$st = $this->pdo->prepare("SELECT idProfesseur
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FROM Professeur
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WHERE firstName = :firstName
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AND lastName = :lastName");
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/* (2) Bind params and execute */
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$success = $st->execute([
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':firstName' => $firstName,
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':lastName' => $lastName
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]);
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return $st->fetch()["idProfesseur"]?: 0;
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/* (3) Return NULL on error */
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if( !$success )
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return NULL;
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/* (4) Return @prof_id or NULL if nothing found */
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return $st->fetch()['idProfesseur'] ?: NULL;
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}
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public function update(int $id, array $data) : bool{
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$updSt = "";
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foreach ($data as $key => $field){
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$updSt .= "$key = :$key,";
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}
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$updSt = rtrim($updSt,",");
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$st = $this->pdo->prepare("UPDATE Professeur SET $updSt WHERE idProfesseur = :id");
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return $st->execute(array_merge($data,[
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"id" => $id
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]));
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/* (3) Check if a professor exists (by its names)
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*
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* @idProf<int> The professor's UID
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* @lastName<String> [OPT] The professor's new lastName
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* @firstName<String> [OPT] The professor's new firstName
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* @category<int> [OPT] The professor's new category ID
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* @hoursToDo<int> [OPT] The professor's new number of hours to do
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* @initials<int> [OPT] The professor's new initials
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* @isAdmin<bool> [OPT] Whether the professor is an admin
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* @casLogin<String> [OPT] The professor's new CAS username
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*
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* @return updated<bool> Whether the updated have been successful
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*
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---------------------------------------------------------*/
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public function update(int $id, ?String $lastName, ?String $firstName, ?int $category, ?int $hoursToDo, ?String $initials, ?bool $isAdmin, ?String $casLogin) : bool{
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/* (1) Build request */
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$build_rq = [];
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$bind_param = [ ':idProfesseur' => $id ];
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if( !is_null($lastName) ){ $build_rq[] = '`lastName` = :lastName'; $bind_param[':lastName'] = $lastName; }
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if( !is_null($firstName) ){ $build_rq[] = '`firstName` = :firstName'; $bind_param[':firstName'] = $firstName; }
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if( !is_null($category) ){ $build_rq[] = '`category` = :category'; $bind_param[':category'] = $category; }
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if( !is_null($hoursToDo) ){ $build_rq[] = '`hoursToDo` = :hoursToDo'; $bind_param[':hoursToDo'] = $hoursToDo; }
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if( !is_null($initials) ){ $build_rq[] = '`initials` = :initials'; $bind_param[':initials'] = $initials; }
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if( !is_null($isAdmin) ){ $build_rq[] = '`isAdmin` = :isAdmin'; $bind_param[':isAdmin'] = $isAdmin; }
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if( !is_null($casLogin) ){ $build_rq[] = '`casLogin` = :casLogin'; $bind_param[':casLogin'] = $casLogin; }
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/* (2) ERROR if no updated field */
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if( count($build_rq) <= 0 || count($bind_param) <= 1 )
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return FALSE;
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/* (3) Build request */
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$sql_rq = "UPDATE `Professeur` SET ".implode(', ', $build_rq)." WHERE `idProfesseur` = :idProfesseur";
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/* (4) Prepare statement */
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$st = $this->pdo->prepare($sql_rq);
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/* (5) Return execution success */
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return $st->execute($bind_param);
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}
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/* (4) Return whether a professor is an admin
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*
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* @idProf<int> The professor's UID
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*
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* @return is_admin<bool> Whether the professor is an admin (FALSE if does not exist)
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*
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---------------------------------------------------------*/
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public function isAdmin(int $id) : bool{
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$st = $this->pdo->prepare("SELECT admin FROM Professeur WHERE idProfesseur = :id");
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$st->execute([
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"id" => $id
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]);
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/* (1) Prepare statement */
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$st = $this->pdo->prepare("SELECT `admin` FROM `Professeur` WHERE `idProfesseur` = :id AND `admin` = 1");
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return $st->fetch()["admin"] == 1;
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/* (2) Bind params and execute statement */
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$success = $st->execute([ ':id' => $id ]);
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/* (3) FALSE on error */
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if( !$success )
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return FALSE;
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/* (4) Return whether we have a result or not */
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return $st->fetch() == 1;
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}
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public function get(int $id) : array{
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$st = $this->pdo->prepare("SELECT * FROM Professeur WHERE idProfesseur = :id");
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$st->execute([
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"id" => $id
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]);
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return $st->fetch();
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/* (5) Gets a professor by its UID
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*
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* @idProf<int> The professor's UID
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*
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* @return teacher<array> The professor's data (NULL on error / not found)
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*
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---------------------------------------------------------*/
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public function get(int $id) : ?array{
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/* (1) Prepare Statement */
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$st = $this->pdo->prepare("SELECT * FROM `Professeur` WHERE `idProfesseur` = :id");
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/* (2) Bind params and execute statement */
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$success = $st->execute([ ':id' => $id ]);
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/* (3) Manage error */
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if( !$success )
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return NULL;
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/* (4) Get data */
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$fetched = $st->fetch();
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/* (5) Return NULL on no result */
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if( $fetched === false )
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return NULL;
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/* (6) Return data */
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return $fetched;
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}
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/* (6) Gets all professors
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*
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* @return teachers<array> The professors' data ([] on error)
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*
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---------------------------------------------------------*/
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public function getAll() : array{
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/* (1) Set query */
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$query = $this->pdo->query("SELECT * FROM `Professeur` ORDER BY `abreviation` ASC");
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/* (2) If error return empty array */
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if( $query === false )
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return [];
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/* (3) Return fetched data */
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return $query->fetchAll();
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}
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/* (7) Deletes a professor
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*
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* @return deleted<bool> Whether the professor have been deleeted successfully
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*
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---------------------------------------------------------*/
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public function delete(int $id) : bool{
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$st = $this->pdo->prepare("DELETE FROM Professeur WHERE idProfesseur = :id");
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return $st->execute([
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"id" => $id
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]);
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/* (1) Prepare statement */
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$st = $this->pdo->prepare("DELETE FROM `Professeur` WHERE `idProfesseur` = :id");
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/* (2) Return the execution status */
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return $st->execute([ ':id' => $id ]);
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}
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/* (8) Returns a professor's statistic data
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*
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* @return data<array> Professor data
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*
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---------------------------------------------------------*/
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public function getVH(int $id) : array{
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/* (1) Prepare Statement */
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$st = $this->pdo->prepare("SELECT VHCours, VHTd, VHTp, Cat.idCategorie idCat, Prof.hoursToDo du
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FROM Professeur Prof, Categorie Cat,
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(SELECT IFNULL(SUM(Cours.volume),0) VHCours, Prof.idProfesseur idProf FROM Professeur Prof LEFT JOIN Cours ON Prof.idProfesseur = Cours.Professeur_idProfesseur GROUP BY Prof.idProfesseur) VHCours,
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@ -98,11 +256,17 @@ class professor extends Repo_i {
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VHCours.idProf = Prof.idProfesseur AND
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VHTp.idProf = Prof.idProfesseur AND
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VHTd.idProf = Prof.idProfesseur;");
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$st->execute([
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"idProf" => $id
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]);
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/* (2) Bind params and execute */
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$success = $st->execute([ ':idProf' => $id ]);
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/* (3) Manage error */
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if( !$success )
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return [];
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/* (4) Return data */
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return $st->fetch() ?: [];
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}
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}
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