Add check after oembed API call. In case of error, returned value is false which...

[quix0rs-gnu-social.git] / classes / Avatar.php

diff --git a/classes/Avatar.php b/classes/Avatar.php
index 6a5aaa3f8cd53cc2ad5d81d786b4fc2f3b37bd78..02874b902b5f267e8f94e6e742981c884cb4c07c 100644 (file)
--- a/classes/Avatar.php
+++ b/classes/Avatar.php
@@ -22,11 +22,6 @@ class Avatar extends Managed_DataObject
 
     /* the code above is auto generated do not remove the tag below */
     ###END_AUTOCODE
-
-       static function pivotGet($keyCol, $keyVals, $otherCols)
-       {
-           return Memcached_DataObject::pivotGet('Avatar', $keyCol, $keyVals, $otherCols);
-       }
        
     public static function schemaDef()
     {
@@ -54,19 +49,107 @@ class Avatar extends Managed_DataObject
             ),
         );
     }
-    // We clean up the file, too
 
-    function delete()
+    // We clean up the file, too
+    function delete($useWhere=false)
     {
         $filename = $this->filename;
-        if (parent::delete()) {
+        if (file_exists(Avatar::path($filename))) {
             @unlink(Avatar::path($filename));
         }
+
+        return parent::delete($useWhere);
+    }
+
+    /*
+     * Deletes all avatars (but may spare the original) from a profile.
+     * 
+     * @param   Profile $target     The profile we're deleting avatars of.
+     * @param   boolean $original   Whether original should be removed or not.
+     */
+    public static function deleteFromProfile(Profile $target, $original=true) {
+        try {
+            $avatars = self::getProfileAvatars($target);
+            foreach ($avatars as $avatar) {
+                if ($avatar->original && !$original) {
+                    continue;
+                }
+                $avatar->delete();
+            }
+        } catch (NoAvatarException $e) {
+            // There are no avatars to delete, a sort of success.
+        }
+
+        return true;
+    }
+
+    static protected $_avatars = array();
+
+    /*
+     * Get an avatar by profile. Currently can't call newSize with $height
+     */
+    public static function byProfile(Profile $target, $width=null, $height=null)
+    {
+        $width  = (int) floor($width);
+        $height = !is_null($height) ? (int) floor($height) : null;
+        if (is_null($height)) {
+            $height = $width;
+        }
+
+        $size = "{$width}x{$height}";
+        if (!isset(self::$_avatars[$target->id])) {
+            self::$_avatars[$target->id] = array();
+        } elseif (isset(self::$_avatars[$target->id][$size])){
+            return self::$_avatars[$target->id][$size];
+        }
+
+        $avatar = null;
+        if (Event::handle('StartProfileGetAvatar', array($target, $width, &$avatar))) {
+            $avatar = self::pkeyGet(
+                array(
+                    'profile_id' => $target->id,
+                    'width'      => $width,
+                    'height'     => $height,
+                )
+            );
+            Event::handle('EndProfileGetAvatar', array($target, $width, &$avatar));
+        }
+
+        if (is_null($avatar)) {
+            // Obviously we can't find an avatar, so let's resize the original!
+            $avatar = Avatar::newSize($target, $width);
+        } elseif (!($avatar instanceof Avatar)) {
+            throw new NoAvatarException($target, $avatar);
+        }
+
+        self::$_avatars[$target->id]["{$avatar->width}x{$avatar->height}"] = $avatar;
+        return $avatar;
     }
 
-    function pkeyGet($kv)
+    public static function getUploaded(Profile $target)
     {
-        return Memcached_DataObject::pkeyGet('Avatar', $kv);
+        $avatar = new Avatar();
+        $avatar->profile_id = $target->id;
+        $avatar->original = true;
+        if (!$avatar->find(true)) {
+            throw new NoAvatarException($target, $avatar);
+        }
+        if (!file_exists(Avatar::path($avatar->filename))) {
+            // The delete call may be odd for, say, unmounted filesystems
+            // that cause a file to currently not exist, but actually it does...
+            $avatar->delete();
+            throw new NoAvatarException($target, $avatar);
+        }
+        return $avatar;
+    }
+
+    public static function getProfileAvatars(Profile $target) {
+        $avatar = new Avatar();
+        $avatar->profile_id = $target->id;
+        if (!$avatar->find()) {
+            throw new NoAvatarException($target, $avatar);
+        }
+        return $avatar->fetchAll();
     }
 
     /**
@@ -136,6 +219,14 @@ class Avatar extends Managed_DataObject
         }
     }
 
+    static function urlByProfile(Profile $target, $width=null, $height=null) {
+        try {
+            return self::byProfile($target,  $width, $height)->displayUrl();
+        } catch (Exception $e) {
+            return self::defaultImage($width);
+        }
+    }
+
     static function defaultImage($size)
     {
         static $sizenames = array(AVATAR_PROFILE_SIZE => 'profile',
@@ -143,4 +234,33 @@ class Avatar extends Managed_DataObject
                                   AVATAR_MINI_SIZE => 'mini');
         return Theme::path('default-avatar-'.$sizenames[$size].'.png');
     }
+
+    static function newSize(Profile $target, $width) {
+        $width = (int) floor($width);
+        if ($width < 1 || $width > common_config('avatar', 'maxsize')) {
+            // TRANS: An error message when avatar size is unreasonable
+            throw new Exception(_m('Avatar size too large'));
+        }
+
+        $original = Avatar::getUploaded($target);
+
+        $imagefile = new ImageFile($target->id, Avatar::path($original->filename));
+        $filename = $imagefile->resize($width);
+
+        $scaled = clone($original);
+        $scaled->original = false;
+        $scaled->width = $width;
+        $scaled->height = $width;
+        $scaled->url = Avatar::url($filename);
+        $scaled->filename = $filename;
+        $scaled->created = common_sql_now();
+
+        if (!$scaled->insert()) {
+            // TRANS: An error message when unable to insert avatar data into the db
+            throw new Exception(_m('Could not insert new avatar data to database'));
+        }
+
+        // Return the new avatar object
+        return $scaled;
+    }
 }