aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--actions/likes/add.php64
-rw-r--r--actions/likes/delete.php32
-rw-r--r--engine/lib/annotations.php23
-rw-r--r--engine/lib/elgglib.php35
-rw-r--r--languages/en.php15
-rw-r--r--views/default/annotation/annotatelike.php11
-rw-r--r--views/default/annotation/likes.php39
-rw-r--r--views/default/likes/forms/edit.php30
8 files changed, 248 insertions, 1 deletions
diff --git a/actions/likes/add.php b/actions/likes/add.php
new file mode 100644
index 000000000..36672d3ec
--- /dev/null
+++ b/actions/likes/add.php
@@ -0,0 +1,64 @@
+<?php
+/**
+ * Elgg add like action
+ *
+ * @package Elgg
+ * @author Curverider <curverider.co.uk>
+ * @link http://elgg.org/
+ */
+
+// Make sure we're logged in; forward to the front page if not
+gatekeeper();
+
+// Get input
+$entity_guid = (int) get_input('guid');
+//check to see if the user has already liked the item
+if(elgg_already_created_annotation($entity_guid, 'likes')){
+ system_message(elgg_echo("likes:alreadyliked"));
+ forward($_SERVER['HTTP_REFERER']);
+}
+// Let's see if we can get an entity with the specified GUID
+$entity = get_entity($entity_guid);
+if (!$entity) {
+ register_error(elgg_echo("likes:notfound"));
+ forward($_SERVER['HTTP_REFERER']);
+}
+
+$user = get_loggedin_user();
+$annotation = create_annotation($entity->guid,
+ 'likes',
+ "likes",
+ "",
+ $user->guid,
+ $entity->access_id);
+
+// tell user annotation didn't work if that is the case
+if (!$annotation) {
+ register_error(elgg_echo("likes:failure"));
+ forward($_SERVER['HTTP_REFERER']);
+}
+
+// notify if poster wasn't owner
+if ($entity->owner_guid != $user->guid) {
+
+ notify_user($entity->owner_guid,
+ $user->guid,
+ elgg_echo('likes:email:subject'),
+ sprintf(
+ elgg_echo('likes:email:body'),
+ $entity->title,
+ $user->name,
+ $comment_text,
+ $entity->getURL(),
+ $user->name,
+ $user->getURL()
+ )
+ );
+}
+
+system_message(elgg_echo("likes:likes"));
+//add to river
+add_to_river('annotation/annotatelike','likes',$user->guid,$entity->guid, "", 0, $annotation);
+
+// Forward back to the page where the user 'liked' the object
+forward($_SERVER['HTTP_REFERER']);
diff --git a/actions/likes/delete.php b/actions/likes/delete.php
new file mode 100644
index 000000000..cbb89f67a
--- /dev/null
+++ b/actions/likes/delete.php
@@ -0,0 +1,32 @@
+<?php
+/**
+ * Elgg delete like action
+ *
+ * @package Elgg
+ * @author Curverider <curverider.co.uk>
+ * @link http://elgg.org/
+ */
+
+// Ensure we're logged in
+if (!isloggedin()) {
+ forward();
+}
+
+// Make sure we can get the comment in question
+$annotation_id = (int) get_input('annotation_id');
+if ($likes = get_annotation($annotation_id)) {
+
+ $entity = get_entity($likes->entity_guid);
+
+ if ($likes->canEdit()) {
+ $likes->delete();
+ system_message(elgg_echo("likes:deleted"));
+ forward($entity->getURL());
+ }
+
+} else {
+ $url = "";
+}
+
+register_error(elgg_echo("likes:notdeleted"));
+forward($entity->getURL()); \ No newline at end of file
diff --git a/engine/lib/annotations.php b/engine/lib/annotations.php
index b18475d57..b7dc1b9d3 100644
--- a/engine/lib/annotations.php
+++ b/engine/lib/annotations.php
@@ -1250,6 +1250,29 @@ function get_annotation_url($id) {
return false;
}
+/**
+ * Check to see if a user has already created an annotation on an object
+ *
+ * @param ElggEntity $entity
+ * @return true | false
+ */
+function elgg_already_created_annotation($entity_guid, $annotation_type) {
+ global $CONFIG;
+ $entity_guid = (int)$entity_guid;
+ $annotation_type = sanitise_string($annotation_type);
+ $owner_guid = get_loggedin_userid();
+ $sql = "select a.id" .
+ " FROM {$CONFIG->dbprefix}annotations a, {$CONFIG->dbprefix}metastrings m " .
+ " WHERE a.owner_guid={$owner_guid} AND a.entity_guid={$entity_guid} " .
+ " AND a.name_id=m.id AND m.string='{$annotation_type}'";
+ //get the annotation type id
+ $check_annotation = get_data_row($sql);
+ //check to see if the user has already liked
+ if($check_annotation)
+ return true;
+ else
+ return false;
+}
/**
* Register an annotation url handler.
diff --git a/engine/lib/elgglib.php b/engine/lib/elgglib.php
index 7691ca5bb..fb61b7d10 100644
--- a/engine/lib/elgglib.php
+++ b/engine/lib/elgglib.php
@@ -1002,7 +1002,38 @@ function get_submenu() {
return $submenu_total;
}
-
+/**
+ * Automatically views likes and a like input relating to the given entity
+ *
+ * @param ElggEntity $entity The entity to like
+ * @return string|false The HTML (etc) for the likes, or false on failure
+ */
+function elgg_view_likes($entity){
+ if (!($entity instanceof ElggEntity)) {
+ return false;
+ }
+ if ($likes = trigger_plugin_hook('likes',$entity->getType(),array('entity' => $entity),false)) {
+ return $likes;
+ } else {
+ //display the form
+ $likes = elgg_view('likes/forms/edit',array('entity' => $entity));
+ return $likes;
+ }
+}
+/**
+ * Count the number of likes attached to an entity
+ *
+ * @param ElggEntity $entity
+ * @return int Number of likes
+ */
+function elgg_count_likes($entity) {
+ if ($likeno = trigger_plugin_hook('likes:count', $entity->getType(),
+ array('entity' => $entity), false)) {
+ return $likeno;
+ } else {
+ return count_annotations($entity->getGUID(), "", "", "likes");
+ }
+}
/**
* Automatically views comments and a comment form relating to the given entity
@@ -2901,6 +2932,8 @@ function elgg_boot() {
// Actions
register_action('comments/add');
register_action('comments/delete');
+ register_action('likes/add');
+ register_action('likes/delete');
elgg_view_register_simplecache('css');
elgg_view_register_simplecache('js/friendsPickerv1');
diff --git a/languages/en.php b/languages/en.php
index f51940e6e..0fc4e3ba6 100644
--- a/languages/en.php
+++ b/languages/en.php
@@ -823,6 +823,21 @@ If you requested this click on the link below, otherwise ignore this email.
* XML-RPC
*/
'xmlrpc:noinputdata' => "Input data missing",
+
+/**
+ * Likes
+ **/
+ 'likes:this' => 'liked this',
+ 'likes:deleted' => 'Your like has been removed',
+ 'likes:notdeleted' => 'There was a problem removing your like',
+ 'likes:likes' => 'You now like this item',
+ 'likes:failure' => 'There was a problem liking this item',
+ 'likes:alreadyliked' => 'You have already liked this item',
+ 'likes:notfound' => 'The item you are trying to like cannot be found',
+ 'likes:likethis' => 'Like this',
+ 'likes:userlikedthis' => 'user liked this',
+ 'likes:userslikethis' => 'users liked this',
+ 'likes:river:annotate' => 'likes',
/**
* Comments
diff --git a/views/default/annotation/annotatelike.php b/views/default/annotation/annotatelike.php
new file mode 100644
index 000000000..7c7b1887a
--- /dev/null
+++ b/views/default/annotation/annotatelike.php
@@ -0,0 +1,11 @@
+<?php
+
+$performed_by = get_entity($vars['item']->subject_guid);
+$object = get_entity($vars['item']->object_guid);
+$url = $object->getURL();
+$title = $object->title;
+
+$string = "<a href=\"{$performed_by->getURL()}\">{$performed_by->name}</a> ";
+$string .= elgg_echo("likes:river:annotate") . " <a href=\"{$object->getURL()}\">" . $title . "</a> " . friendly_time($object->time_created);
+
+echo $string; \ No newline at end of file
diff --git a/views/default/annotation/likes.php b/views/default/annotation/likes.php
new file mode 100644
index 000000000..d095c82eb
--- /dev/null
+++ b/views/default/annotation/likes.php
@@ -0,0 +1,39 @@
+<?php
+/**
+ * Elgg show the user who liked the object
+ */
+
+$owner = get_user($vars['annotation']->owner_guid);
+
+?>
+<div class="elgg_likes clearfloat">
+ <div class="elgg_likes_icon">
+ <?php
+ echo elgg_view("profile/icon", array(
+ 'entity' => $owner,
+ 'size' => 'tiny'
+ ));
+ ?>
+ </div>
+
+ <div class="elgg_likes_details">
+ <?php
+ // if the user looking at the like listing can edit, show the delete link
+ if ($vars['annotation']->canEdit()) {
+ ?>
+ <span class="delete_button">
+ <?php echo elgg_view("output/confirmlink",array(
+ 'href' => $vars['url'] . "action/likes/delete?annotation_id=" . $vars['annotation']->id,
+ 'text' => elgg_echo('remove'),
+ 'confirm' => elgg_echo('deleteconfirm')
+ ));
+ ?>
+ </span>
+ <?php
+ } //end of can edit if statement
+ ?>
+ <p class="elgg_likes_owner">
+ <a href="<?php echo $owner->getURL(); ?>"><?php echo $owner->name; ?></a> <?php echo elgg_echo('likes:this'); ?>
+ </p>
+ </div>
+</div> \ No newline at end of file
diff --git a/views/default/likes/forms/edit.php b/views/default/likes/forms/edit.php
new file mode 100644
index 000000000..4a9bbb7d7
--- /dev/null
+++ b/views/default/likes/forms/edit.php
@@ -0,0 +1,30 @@
+<?php
+/**
+ * Elgg likes add form
+ *
+ * @package Elgg
+ * @author Curverider Ltd <info@elgg.com>
+ * @link http://elgg.com/
+ *
+ * @uses $vars['entity']
+ */
+
+if (isset($vars['entity']) && isloggedin()) {
+ $guid = $vars['entity']->getGuid();
+ $url = elgg_add_action_tokens_to_url($vars['url'] . "action/likes/add?guid={$guid}");
+ //check to see if the user has already liked
+ if(!elgg_already_created_annotation($guid, 'likes'))
+ echo "<a href=\"{$url}\">" . elgg_echo('likes:likethis') . "</a>";
+ //display the number of likes
+ $numoflikes = elgg_count_likes($vars['entity']);
+ if($numoflikes != 0){
+ if($numoflikes == 1)
+ echo "<br /><a onclick=\" $('#showLikes').show('slow');\">" . elgg_count_likes($vars['entity']) . " " . elgg_echo('likes:userlikedthis') . "</a>";
+ else
+ echo "<br /><a onclick=\" $('#showLikes').show('slow');\">" . elgg_count_likes($vars['entity']) . " " . elgg_echo('likes:userslikethis') . "</a>";
+ }
+ //show the users who liked the object
+ echo "<div id=\"showLikes\" style=\"display:none;\">";
+ echo list_annotations($vars['entity']->getGUID(),'likes');
+ echo "</div>";
+} \ No newline at end of file