Webservices

services/www/api/objects/gallery_item.php

@@ -0,0 +1,128 @@
+<?php
+
+class GalleryItem {
+
+    private const table_name = "gallery";
+	private const select = "
+		SELECT
+			g.*,
+			(select count(id) from gallery_like where gallery_id = g.id) as likes,
+
+			lu.id as lu_id,
+			lu.name as lu_name,
+			lu.surname as lu_surname,
+			lu.code as lu_code,
+			lu.picture as lu_picture,
+			lu.admin as lu_admin,
+			lu.table as lu_table,
+			lu.witness as lu_witness,
+			lu.invited_by as lu_invited_by,
+
+			au.id as au_id,
+			au.name as au_name,
+			au.surname as au_surname,
+			au.code as au_code,
+			au.picture as au_picture,
+			au.admin as au_admin,
+			au.table as au_table,
+			au.witness as au_witness,
+			au.invited_by as au_invited_by,
+
+			glcu.id as glcu_id,
+			glcu.gallery_id as glcu_gallery_id,
+			glcu.user_id as glcu_user_id,
+			glcu.created as glcu_created
+
+		FROM " . self::table_name . " g
+			-- Author
+			LEFT JOIN `user` au
+				ON au.id = g.author
+			-- First liked user
+			LEFT JOIN gallery_like gl
+				ON gl.gallery_id = g.id
+			LEFT JOIN `user` lu
+				ON lu.id = gl.user_id
+			-- Like from current user
+			LEFT JOIN gallery_like glcu
+				ON glcu.gallery_id = g.id
+				AND glcu.user_id = :uid
+	";
+
+    static function read($db, $uid, $page, $elemPerPage){
+        $start = $page * $elemPerPage;
+        $limit = $elemPerPage + 1;  // Retrieve one more item to know if there are elements and compute "more" value
+        $query = self::select . "
+            GROUP BY g.id
+            ORDER BY created DESC
+            LIMIT :start,:limit";
+
+        // prepare query statement
+        $stmt = $db->prepare($query);
+		$stmt->bindParam(":uid", $uid);
+		$stmt->bindParam(":start", $start, PDO::PARAM_INT);
+		$stmt->bindParam(":limit", $limit, PDO::PARAM_INT);
+
+        // execute query
+        $stmt->execute();
+
+        return $stmt;
+    }
+
+    static function readById($db, $uid, $id){
+        $query = self::select . "
+			WHERE g.id = :id
+            GROUP BY g.id
+            ORDER BY created DESC
+		";
+        // prepare query statement
+        $stmt = $db->prepare($query);
+		$stmt->bindParam(":id", $id);
+		$stmt->bindParam(":uid", $uid);
+
+        // execute query
+        $stmt->execute();
+
+        return $stmt;
+    }
+
+    static function create($db, $item){
+        $query = "INSERT INTO " . self::table_name . "
+            SET image_url=:imageUrl, image_thumb_url=:imageThumbUrl, description=:description, author=:author";
+
+        // prepare query
+        $stmt = $db->prepare($query);
+
+        // sanitize
+        $imageUrl=htmlspecialchars(strip_tags($item['imageUrl']));
+        $imageThumbUrl=htmlspecialchars(strip_tags($item['imageThumbUrl']));
+        $description=htmlspecialchars(strip_tags($item['description']));
+        $author=htmlspecialchars(strip_tags($item['author']));
+
+        // bind values
+        $stmt->bindParam(":imageUrl", $imageUrl);
+        $stmt->bindParam(":imageThumbUrl", $imageThumbUrl);
+        $stmt->bindParam(":description", $description);
+        $stmt->bindParam(":author", $author);
+
+        // execute query
+        if($stmt->execute()){
+            return true;
+        }
+        return false;
+    }
+
+	static function fromRow($row) {
+		return array(
+			"id" => $row['id'],
+			"imageUrl" => $row['image_url'],
+			"imageThumbUrl" => $row['image_thumb_url'],
+			"likes" => $row['likes'],
+			"firstUserLiked" =>  User::createFromRow($row, 'lu'),
+			"description" => $row['description'],
+			"author" => User::createFromRow($row, 'au'),
+			"created" => $row['created'],
+			"currentUserLike" => Like::createFromRow($row, 'glcu'),
+		);
+	}
+}
+?>