Development of the JSON sync API started.

sql/setup.sql

@@ -380,6 +380,12 @@ CREATE TABLE settings (
 	changed		TIMESTAMP	NOT NULL		DEFAULT now()
 );
 
+DROP TABLE IF EXISTS version;
+CREATE TABLE version (
+	section		VARCHAR(12)	PRIMARY KEY,
+	version		INT			DEFAULT 1
+);
+
 DROP TABLE IF EXISTS member;
 CREATE TABLE member (
 	id			INT				AUTO_INCREMENT	PRIMARY KEY,

www/API/v1/sync.php

@@ -1,7 +1,14 @@
 <?php
-	Gasteizko Margolariak API v1
+	// Gasteizko Margolariak API v1 //
+	
+	define('DEF_FORMAT', 1);
+	define('FOR_JSON', 1);
+	define('SEC_ALL', 0);
+	define('SEC_BLOG', 1);
+	define('SEC_ACTIVITIES', 2);
+	define('SEC_GALLERY', 3);
+	define('SEC_LABLANCA', 4);
 	
-	define('DEF_FORMAT', 'json');
 	
 	/****************************************************
 	* Echoes the version of one or more of the sections *
@@ -12,10 +19,50 @@
 	*    section: (string): 'blog', 'activities',       *
 	*             'gallery', 'lablanca', 'global'. None *
 	*             to get them all.                      *
-	*    format: (string): 'json' (default).            *
  	****************************************************/
-	function get_version(con, section = '', format = DEF_FORMAT){
+	function get_version($con, $section = SEC_ALL){
 		//TODO
+		return(30);
+	}
+	
+	function sync($con, $section = SEC_ALL, $version = 0, $format = DEF_FORMAT){
+		
+		//Skip if current version equal or higher than the one in the database.
+		if ($version >= get_version($con, $section)){
+			//TODO: print something?
+			return;
+		}
+		
+		switch ($section){
+			case SEC_BLOG:
+				$tables = [ 'post', 'post_comment', 'post_image', 'post_tag' ];
+				break;
+			case SEC_ACTIVITIES:
+				$tables = [ 'activity', 'activity_comment', 'activity_image', 'activity_tag', 'activity_itinerary', 'location', 'album', 'photo', 'photo_album', 'photo_comment', 'place' ];
+				break;
+			case SEC_GALLERY:
+				$tables = [ 'album', 'photo', 'photo_album', 'photo_comment', 'place' ];
+				break;
+			case SEC_LABLANCA:
+				$tables = [ 'festival', 'festival_day', 'festival_event', 'festival_event_image', 'festival_offer', 'place', 'people' ];
+				break;
+			case SEC_ALL:
+				$tables = [ 'activity', 'activity_comment', 'activity_image', 'activity_tag', 'album', 'photo', 'festival', 'festival_day', 'festival_event', 'festival_event_image', 'festival_offer', 'place', 'post', 'post_comment', 'post_image', 'post_tag', 'settings', 'sponsor' ];
+				break;
+			default:
+				return;
+		}
+		
+		switch ($format){
+			case FOR_JSON:
+				$db = array();
+				foreach($tables as $table){
+					$db[] = [ $table => get_table($con, $table, $format) ];
+				}
+				return(json_encode($db)); //FIXME: Calling this here too escapes doblequotes
+				break;
+		}
+		
 	}
 	
 	/****************************************************
@@ -25,9 +72,58 @@
 	*                                                   *
 	* @params:                                          *
 	*    con: (MySQL server connection) RO mode enough. *
-	*    format: (string): 'json' (default).            *
+	*    table (string): The name of the table.         *
+	*    format: (int): 1: json (default).              *
  	****************************************************/
-	function get_table(con, format = DEF_FORMAT){
-		//TODO
+	function get_table($con, $table, $format = DEF_FORMAT){
+		//TODO: table to lowercase
+		switch (table){
+			case "activity":
+				$q = mysqli_query($con, "SELECT id, permalink, date, city, title_es, title_en, title_eu, text_es, text_eu, text_en, after_es, after_en, after_eu, price, inscription, max_people, album FROM activity WHERE visible = 1;");
+				break;
+			case "activity_comment":
+				$q = mysqli_query($con, "SELECT activity_comment.id AS id, activity, text, dtime, CONCAT(user.username, user) AS user, lang FROM activity_comment, user WHERE activity_comment.user = user.id AND approved = 1;");
+				break;
+			case "album":
+				$q = mysqli_query($con, "SELECT id, permalink, title_es, title_en, title_eu, description_es, description_en, description_eu, open;");
+				break;
+			case "photo":
+				$q = mysqli_query($con, "SELECT photo.id AS id, file, permalink, text_es, text_en, text_eu, description_es, description_en, description_eu, uploaded, place, width, height, size, CONCAT(username, user) AS user FROM photo, user WHERE user.id = photo.user AND approved = 1;");
+				break;
+			case "post":
+				$q = mysqli_query($con, "SELECT post.id AS id, permalink, title_es, title_en, title_eu, text_es, text_en, text_eu, username, dtime FROM post, user WHERE user.id = user AND visible = 1;");
+				break;
+			case "post_comment":
+				$q = mysqli_query($con, "SELECT post_comment.id AS id, post, text, dtime, CONCAT(user.username, user) AS user, lang FROM post_comment, user WHERE post_comment.user = user.id AND approved = 1;");
+				break;
+				
+			//Other cases: 
+			default:
+				//If the table is a public one and has not been listed above, all of its fields are public.
+				if (in_array($table, ['activity_image', 'activity_tag', 'festival', 'festival_day', 'festival_event', 'festival_event_image', 'festival_offer', 'place', 'post_image', 'post_tag', 'settings', 'sponsor'])){
+					$q = mysqli_query($con, "SELECT * FROM $table;");
+				}
+				//If forbidden table
+				else{
+					//TODO
+					return;
+				}
+		}
+		
+		//Create result array
+		$rows = array();
+		while($r = mysqli_fetch_assoc($q)) {
+			$rows[] = $r;
+		}
+		return $rows;
+		
+		//Print array
+		//return(json_encode($rows));
 	}
+	
+	//TODO: Remove when tested
+	include("../../functions.php");
+	$con = startdb('ro');
+	//get_table($con, 'festival');
+	echo(sync($con, SEC_ALL));
 ?>