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239 lines
6.8 KiB
239 lines
6.8 KiB
<?php
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# if(!isset($_POST["y"]))
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# {
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# header("Location:.");
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# exit;
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# }
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/**
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* @brief connects to the database
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* @return a PDO connection to the database
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*/
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function connect()
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{
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try
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{
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$pdo = new PDO("sqlite:testdb.db");
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$pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
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return $pdo;
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}
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catch(PDOException $e)
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{
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//NOTE: change $e->getMessage() by an error message before going to production
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echo($e->getMessage());
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die();
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}
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}
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/**
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* @brief queries all the categories from the dabase
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* @param $db: the PDO connection to the database
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* @return al list of all the categories (id, name)
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*/
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function getCategories($db)
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{
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try
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{
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$request = $db->prepare('SELECT * FROM categorie NATURAL JOIN sous_categorie ORDER BY sous_cat_tab ASC, sous_cat_id ASC');
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$request->execute();
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$result = $request->fetchAll();
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$request->closeCursor();
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return $result;
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}
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catch(PDOException $e)
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{
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//NOTE: change $e->getMessage() by an error message before going to production
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echo($e->getMessage());
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die();
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}
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}
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/**
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* @brief queries all the sub categories from a certain tab
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* @param $db: the PDO connection to the database
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* @param $tab: the ID of the tab
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* @return a list of the subcategories for $tab
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*/
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function getSousCategories($db, $tab)
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{
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try
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{
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$request = $db->prepare('SELECT * FROM sous_categorie WHERE sous_cat_tab = ? ORDER BY sous_cat_id ASC');
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$request->execute(array($tab));
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$result = $request->fetchAll();
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$request->closeCursor();
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return $result;
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}
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catch(PDOException $e)
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{
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//NOTE: change $e->getMessage() by an error message before going to production
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echo($e->getMessage());
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die();
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}
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}
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/**
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* @brief queries all the categories from a subcategorie
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* @param $db: the PDO connection to the database
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* @param $sous_cat_id: the ID of the subcategorie
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* @return a list of the categories for the subcategorie
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*/
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function getCategoriesBySousCategorie($db, $sous_cat_id)
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{
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try
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{
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$request = $db->prepare('SELECT * FROM categorie WHERE sous_cat_id = ? ORDER BY cat_id ASC');
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$request->execute(array($sous_cat_id));
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$result = $request->fetchAll();
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$request->closeCursor();
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return $result;
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}
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catch(PDOException $e)
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{
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//NOTE: change $e->getMessage() by an error message before going to production
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echo($e->getMessage());
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die();
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}
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}
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/**
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* @brief queries all the events from the database
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* @param $db: the PDO connection to the database
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* @return a list of all the events in the database
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*/
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function getAllEvents($db)
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{
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try
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{
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$request = $db->prepare('SELECT * FROM event NATURAL JOIN eventCategorie NATURAL JOIN categorie');
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$request->execute(array('date'=>date("Y-m-d",$date)));
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$result = $request->fetchAll();
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$request->closeCursor();
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return $result;
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}
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catch(PDOException $e)
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{
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//NOTE: change $e->getMessage() by an error message before going to production
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echo($e->getMessage());
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die();
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}
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}
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/**
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* @brief queries the database for one particular event
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* @param $db: the PDO connection to the database
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* @param $id: the ID of the event to query
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* @return an array containing the event
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*/
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function getOneEvent($db, $id)
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{
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try
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{
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$request = $db->prepare('SELECT * FROM event WHERE event_id = ?');
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$request->execute(array($id));
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$result = $request->fetch();
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$request->closeCursor();
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return $result;
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}
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catch(PDOException $e)
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{
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//NOTE: change $e->getMessage() by an error message before going to production
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echo($e->getMessage());
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die();
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}
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}
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function getCategoriesForOneEvent($db, $eventId)
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{
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try
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{
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$request = $db->prepare('SELECT * FROM eventCategorie NATURAL JOIN categorie NATURAL JOIN sous_categorie ORDER BY sous_cat_tab ASC, sous_cat_id ASC WHERE event_id = ?');
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$request->execute(array($id));
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$result = $request->fetch();
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$request->closeCursor();
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return $result;
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}
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catch(PDOException $e)
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{
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//NOTE: change $e->getMessage() by an error message before going to production
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echo($e->getMessage());
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die();
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}
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}
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/**
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* @brief queries the database for the events on a certain date
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* @param $db: the PDO connection to the database
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* @param $date: the date to search for
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* @return a list of all the events at the date $date
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*/
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function getEventsByDate($db, $date)
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{
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try
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{
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$request = $db->prepare('SELECT * FROM event WHERE (event_dtstart <= :date AND event_dtend >= :date)');
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$request->execute(array('date'=>date("Y-m-d",$date)));
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$result = $request->fetchAll();
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$request->closeCursor();
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return $result;
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}
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catch(PDOException $e)
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{
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//NOTE: change $e->getMessage() by an error message before going to production
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echo($e->getMessage());
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die();
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}
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}
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/**
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* @brief queries the database for the events on a certain date, where the categories are matched
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* @param $db: the PDO connection to the database
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* @param $date: the date to search for
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* @param $categories: an array containing the IDs of the categories
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* @return a list of all the events of the different categories at the date $date
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*/
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function getEventsByDateAndCategories($db, $date, $categories)
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{
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try
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{
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$request = $db->prepare('SELECT * FROM event NATURAL JOIN eventCategorie NATURAL JOIN categorie WHERE (dtstart <= :date AND dtend >= :date) AND events.categorie IN (:categories)');
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$request->execute(array(
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'date'=>date("Y-m-d",$date),
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'categories'=>implode(',', array_map('intval', $categories))
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));
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$result = $request->fetchAll();
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$request->closeCursor();
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return $result;
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}
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catch(PDOException $e)
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{
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//NOTE: change $e->getMessage() by an error message before going to production
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echo($e->getMessage());
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die();
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}
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}
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/**
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* @brief queries the database for the events after a certain date
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* @param $db: the PDO connection to the database
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* @param $date: the date to search for
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* @return a list of all the events future to $date
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*/
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function getEventsSince($db,$date)
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{
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try
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{
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$request = $db->prepare('SELECT * FROM event WHERE (event_dtstart >= :date OR event_dtend >= :date)');
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$request->execute(array('date'=>date("Y-m-d",$date)));
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$result = $request->fetchAll();
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$request->closeCursor();
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return $result;
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}
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catch(PDOException $e)
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{
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//NOTE: change $e->getMessage() by an error message before going to production
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echo($e->getMessage());
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die();
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}
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}
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?>
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