mod/chatsvc - ajax backend for chat

1 files changed, 104 insertions, 0 deletions

diff --git a/mod/chatsvc.php b/mod/chatsvc.php
new file mode 100644
index 000000000..b8d2a9f69
--- /dev/null
+++ b/mod/chatsvc.php
@@ -0,0 +1,104 @@
+<?php /** @file */
+
+require_once('include/security.php');
+
+function chatsvc_init(&$a) {
+
+	$ret = array('success' => false);
+
+	$a->data['chat']['room_id'] = intval($_REQUEST['room_id']);
+	$x = q("select cr_uid from chatroom where cr_id = %d and cr_id != 0 limit 1",
+		intval($a->data['chat']['room_id'])
+	);
+	if(! $x)
+		json_return_and_die($ret);
+
+	$a->data['chat']['uid'] = $x[0]['cr_uid'];
+
+	if(! perm_is_allowed($a->data['chat']['uid'],get_observer_hash(),'chat')) {
+        json_return_and_die($ret);
+    }
+
+}
+
+function chatsvc_post(&$a) {
+
+	$ret = array('success' => false);
+
+	$room_id = $a->data['chat']['room_id'];
+	$text = escape_tags($_REQUEST['chat_text']);
+
+
+	$sql_extra = permissions_sql($a->data['chat']['uid']);
+
+	$r = q("select * from chatroom where cr_uid = %d and cr_id = %d $sql_extra",
+		intval($a->data['chat']['uid']),
+		intval($a->data['chat']['room_id'])
+	);
+	if(! $r)
+		json_return_and_die($ret);
+
+	$x = q("insert into chat ( chat_room, chat_xchan, created, chat_text )
+		values( %d, '%s', '%s', '%s' )",
+		intval($a->data['chat']['room_id']),
+		dbesc(get_observer_hash()),
+		dbesc(datetime_convert()),
+		dbesc($text)		
+	);
+
+}
+
+function chatsvc_content(&$a) {
+
+	$lastseen = intval($_REQUEST['last']);
+
+	$ret = array('success' => false);
+
+	$sql_extra = permissions_sql($a->data['chat']['uid']);
+
+	$r = q("select * from chatroom where cr_uid = %d and cr_id = %d $sql_extra",
+		intval($a->data['chat']['uid']),
+		intval($a->data['chat']['room_id'])
+	);
+	if(! $r)
+		json_return_and_die($ret);
+
+	$inroom = array();
+
+	$r = q("select * from chatpresence left join xchan on xchan_hash = cp_xchan where cp_room = %d order by xchan_name",
+		intval($a->data['chat']['room_id'])
+	);
+	if($r) {
+		foreach($r as $rr) {
+			$inroom[] = array('img' => zid($rr['xchan_photo_m']), 'img_type' => $rr['xchan_photo_mimetype'],'name' => $rr['xchan_name']);		
+		}
+	}
+
+	$chats = array();
+
+	$r = q("select * from chat left join xchan on chat_xchan = xchan_hash where chat_room = %d and chat_id > %d",
+		intval($a->data['chat']['room_id']),
+		intval($lastseen)
+	);
+	if($r) {
+		foreach($r as $rr) {
+			$chats[] = array(
+				'id' => $rr['chat_id'],
+				'img' => zid($rr['xchan_photo_m']), 
+				'img_type' => $rr['xchan_photo_mimetype'],
+				'name' => $rr['xchan_name'],
+				'isotime' => datetime_convert('UTC', date_default_timezone_get(), $rr['created'], 'c'),
+				'localtime' => datetime_convert('UTC', date_default_timezone_get(), $rr['created'], 'r'),
+				'text' => smilies(bbcode($rr['chat_text']))
+			);
+		}
+	}
+
+	$ret['success'] = true;
+	$ret['inroom'] = $inroom;
+	$ret['chats'] = $chats;
+
+	json_return_and_die($ret);
+
+}
+		 
\ No newline at end of file