let users set their own profile tags from profilesettings

darcs-hash:20081120214821-84dde-c8569ef645b389de545f78bf01a270f28b871f02.gz

actions/profilesettings.php

@@ -68,9 +68,8 @@ class ProfilesettingsAction extends SettingsAction {
 										   common_local_url('profilesettings')));
 		common_hidden('token', common_session_token());
 		
-
-
 		# too much common patterns here... abstractable?
+		
 		common_input('nickname', _('Nickname'),
 					 ($this->arg('nickname')) ? $this->arg('nickname') : $profile->nickname,
 					 _('1-64 lowercase letters or numbers, no punctuation or spaces'));
@@ -85,6 +84,9 @@ class ProfilesettingsAction extends SettingsAction {
 		common_input('location', _('Location'),
 					 ($this->arg('location')) ? $this->arg('location') : $profile->location,
 					 _('Where you are, like "City, State (or Region), Country"'));
+		common_input('tags', _('Tags'),
+					 ($this->arg('tags')) ? $this->arg('tags') : implode(' ', $user->getSelfTags()),
+					 _('Tags for yourself (letters, numbers, -, ., and _), comma- or space- separated'));
 
 		$language = common_language();
 		common_dropdown('language', _('Language'), get_nice_language_list(), _('Preferred language'), TRUE, $language);
@@ -194,6 +196,7 @@ class ProfilesettingsAction extends SettingsAction {
 		$autosubscribe = $this->boolean('autosubscribe');
 		$language = $this->trimmed('language');
 		$timezone = $this->trimmed('timezone');
+		$tagstring = $this->trimmed('tags');
 		
 		# Some validation
 
@@ -226,6 +229,16 @@ class ProfilesettingsAction extends SettingsAction {
 			return;
         } else if (!is_null($language) && strlen($language) > 50) {
         	$this->show_form(_('Language is too long (max 50 chars).'));
+			return;
+		}
+
+		$tags = array_map('common_canonical_tag', preg_split('/[\s,]+/', $tagstring));
+
+		foreach ($tags as $tag) {
+			if (!common_valid_profile_tag($tag)) {
+				$this->show_form(sprintf(_('Invalid tag: "%s"'), $tag));
+				return;
+			}
 		}
 		
 		$user = common_current_user();
@@ -300,6 +313,15 @@ class ProfilesettingsAction extends SettingsAction {
 			return;
 		}
 
+		# Set the user tags
+		
+		$result = $user->setTags($tags);
+
+		if (!$result) {
+			common_server_error(_('Couldn\'t save tags.'));
+			return;
+		}
+		
 		$user->query('COMMIT');
 
 		common_broadcast_profile($profile);

classes/Profile_tag.php

@@ -20,4 +20,67 @@ class Profile_tag extends Memcached_DataObject
 
     /* the code above is auto generated do not remove the tag below */
     ###END_AUTOCODE
+
+	static function getTags($tagger, $tagged) {
+		
+		$tags = array();
+
+		# XXX: store this in memcached
+		
+		$profile_tag = new Profile_tag();
+		$profile_tag->tagger = $tagger;
+		$profile_tag->tagged = $tagged;
+		
+		$profile_tag->find();
+		
+		while ($profile_tag->fetch()) {
+			$tags[] = $profile_tag->tag;
+		}
+		
+		$profile_tag->free();
+		
+		return $tags;
+	}
+	
+	static function setTags($tagger, $tagged, $tags) {
+		
+		$oldtags = Profile_tag::getTags($tagger, $tagged);
+		
+		# Delete stuff that's old that not in new
+		
+		$to_delete = array_diff($oldtags, $newtags);
+		
+		# Insert stuff that's in new and not in old
+		
+		$to_insert = array_diff($newtags, $oldtags);
+		
+		$profile_tag = new Profile_tag();
+		
+		$profile_tag->tagger = $tagger;
+		$profile_tag->tagged = $tagged;
+		
+		$profile_tag->query('BEGIN');
+		
+		foreach ($to_delete as $deltag) {
+			$profile_tag->tag = $deltag;
+			$result = $profile_tag->delete();
+			if (!$result) {
+				common_log_db_error($profile_tag, 'DELETE', __FILE__);
+				return false;
+			}
+		}
+		
+		foreach ($to_insert as $instag) {
+			$profile_tag->tag = $instag;
+			$result = $profile_tag->insert();
+			if (!$result) {
+				common_log_db_error($profile_tag, 'INSERT', __FILE__);
+				return false;
+			}
+		}
+		
+		$profile_tag->query('COMMIT');
+		
+		return true;
+	}
 }

classes/User.php

@@ -401,4 +401,12 @@ class User extends Memcached_DataObject
 			$cache->delete(common_cache_key('user:faves:'.$this->id).';last');
 		}
 	}
+	
+	function getSelfTags() {
+		return Profile_tag::getTags($this->id, $this->id);
+	}
+	
+	function setSelfTags($newtags) {
+		return Profile_tag::setTags($this->id, $this->id, $newtags);
+	}
 }

classes/laconica.ini

@@ -155,7 +155,6 @@ id = N
 [notice_inbox]
 user_id = 129
 notice_id = 129
-source = 17
 created = 142
 source = 17
 

lib/util.php

@@ -844,6 +844,10 @@ function common_canonical_tag($tag) {
 	return strtolower(str_replace(array('-', '_', '.'), '', $tag));
 }
 
+function common_valid_profile_tag($str) {
+	return preg_match('/^[A-Za-z0-9_\-\.]{1,64}$/', $str);
+}
+
 function common_at_link($sender_id, $nickname) {
 	$sender = Profile::staticGet($sender_id);
 	$recipient = common_relative_profile($sender, common_canonical_nickname($nickname));