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|
class Stat {
private $_db;
public function __construct($db) {
$this->setDb($db);
}
public function setDb(PDO $dbh) {
$this->_db = $dbh;
}
/* Insertion des contenus aléatoire */
public function populate() {
$this->reset();
/* Les écoles */
$query = 'INSERT INTO ecole (name) VALUES("Ecole A"), ("Ecole B"), ("Ecole C")';
$stmt = $this->_db->prepare($query);
$stmt->execute();
/* Les sports */
$query = 'INSERT INTO sport (name) VALUES("boxe"), ("judo"), ("football"), ("natation"), ("cyclisme")';
$stmt = $this->_db->prepare($query);
$stmt->execute();
/* Les élèves */
for($i = 1; $i <= 115; $i++) {
$eleve = 'eleve' . $i;
$query = 'INSERT INTO eleve (name) VALUES(:eleve)';
$stmt = $this->_db->prepare($query);
$stmt->bindParam(':eleve', $eleve);
$stmt->execute();
}
/* Liste sports */
$query = 'SELECT id, name FROM sport';
$stmt = $this->_db->prepare($query);
$stmt->execute();
while($row = $stmt->fetch(PDO::FETCH_ASSOC)) {
$sport_ids[] = $row['id'];
}
/* Liste école */
$query = 'SELECT id, name FROM ecole';
$stmt = $this->_db->prepare($query);
$stmt->execute();
while($row = $stmt->fetch(PDO::FETCH_ASSOC)) {
$ecole_ids[] = $row['id'];
}
/* Liste élèves */
$query = 'SELECT id, name FROM eleve';
$stmt = $this->_db->prepare($query);
$stmt->execute();
while($row = $stmt->fetch(PDO::FETCH_ASSOC)) {
$eleve_ids[] = $row['id'];
}
/* Pratiquer */
foreach($eleve_ids as $eleve_id) {
shuffle($sport_ids);
$random = rand(0, 3);
$sport_selected = array_slice($sport_ids, 0, $random);
foreach($sport_selected as $sport_id) {
$query = 'INSERT INTO pratiquer (eleve_id, sport_id) VALUES(:eleve_id, :sport_id)';
$stmt = $this->_db->prepare($query);
$stmt->bindParam(':eleve_id', $eleve_id);
$stmt->bindParam(':sport_id', $sport_id);
$stmt->execute();
}
}
/* Etudier */
foreach($eleve_ids as $eleve_id) {
$ecole_id = rand(1, 3);
$query = 'INSERT INTO etudier (eleve_id, ecole_id) VALUES (:eleve_id, :ecole_id)';
$stmt = $this->_db->prepare($query);
$stmt->bindParam(':eleve_id', $eleve_id);
$stmt->bindParam(':ecole_id', $ecole_id);
$stmt->execute();
}
return true;
}
public function reset() {
$query = 'TRUNCATE TABLE ecole; TRUNCATE TABLE eleve; TRUNCATE TABLE etudier; TRUNCATE TABLE pratiquer; TRUNCATE TABLE sport;';
$stmt = $this->_db->prepare($query);
$stmt->execute();
return true;
}
/* Nombre d'étudiants par école */
public function etudiants($ecole_id) {
$query = 'SELECT EL.name AS eleves, EC.name AS ecole
FROM eleve EL
INNER JOIN etudier ET
ON ET.eleve_id = EL.id
INNER JOIN ecole EC
ON ET.ecole_id = EL.id
WHERE ET.ecole_id = :ecole_id';
$stmt = $this->_db->prepare($query);
$stmt->bindParam(':ecole_id', $ecole_id);
$stmt->execute();
$count = $stmt->rowCount();
return $count;
}
/* Liste des sports par école */
public function activites($ecole_id) {
$query = "SELECT EL.name, COUNT(SP.id)
FROM eleve EL
INNER JOIN etudier ET
ON ET.eleve_id = EL.id
INNER JOIN ecole EC
ON ET.ecole_id = EC.id
INNER JOIN pratiquer PR
ON PR.eleve_id = EL.id
INNER JOIN sport SP
ON PR.sport_id = SP.id
WHERE ET.ecole_id = :ecole_id";
$stmt = $this->_db->prepare($query);
$stmt->bindParam(':ecole_id', $ecole_id);
$stmt->execute();
while($row = $stmt->fetch(PDO::FETCH_ASSOC)) {
$result = $row['COUNT(SP.id)'];
}
return $result;
}
/* Nombre de sports par école */
public function sportEcole($ecole_id, $sport_id) {
$query = "SELECT sport_id
FROM pratiquer PR
INNER JOIN eleve EL
ON PR.eleve_id = EL.id
INNER JOIN etudier ET
ON ET.eleve_id = EL.id
INNER JOIN ecole EC ON ET.ecole_id = EC.id
WHERE PR.sport_id = :sport_id
AND ET.ecole_id = :ecole_id";
$stmt = $this->_db->prepare($query);
$stmt->bindParam(':ecole_id', $ecole_id);
$stmt->bindParam(':sport_id', $sport_id);
$stmt->execute();
$count = $stmt->rowCount();
return $count;
}
/* Liste des sportifs */
public function sportifs($ecole_id) {
$query = "SELECT EL.name, COUNT(SP.id) AS num_sports
FROM eleve EL
INNER JOIN etudier ET
ON ET.eleve_id = EL.id
INNER JOIN ecole EC
ON ET.ecole_id = EC.id
INNER JOIN pratiquer PR
ON PR.eleve_id = EL.id
INNER JOIN sport SP
ON PR.sport_id = SP.id
WHERE ET.ecole_id = :ecole_id
GROUP BY EL.name
ORDER BY num_sports DESC";
$stmt = $this->_db->prepare($query);
$stmt->bindParam(':ecole_id', $ecole_id);
$stmt->execute();
$count = $stmt->rowCount();
return $count;
}
/* Liste des écoles */
public function ecoles() {
$query = 'SELECT id, name FROM ecole';
$stmt = $this->_db->prepare($query);
$stmt->execute();
while($row = $stmt->fetch(PDO::FETCH_ASSOC)) {
$result[$row['id']] = $row['name'];
}
if(isset($result)) {
return $result;
}
else {
return false;
}
}
/* Liste des sports */
public function sports() {
$query = 'SELECT id, name FROM sport';
$stmt = $this->_db->prepare($query);
$stmt->execute();
while($row = $stmt->fetch(PDO::FETCH_ASSOC)) {
$result[$row['id']] = $row['name'];
}
return $result;
}
} |
cyci60 
Undefined variable: result
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