First cut at hastags support.

darcs-hash:20080720055702-533db-193ed842b0d0a952bef71a3c5287213ada0ef15c.gz

actions/newnotice.php

@@ -72,6 +72,7 @@ class NewnoticeAction extends Action {
 		}
 
 		common_save_replies($notice);
+		$notice->saveTags();
 		common_broadcast_notice($notice);
 
 		$returnto = $this->trimmed('returnto');

actions/postnotice.php

@@ -90,6 +90,7 @@ class PostnoticeAction extends Action {
 				return false;
 			}
 			common_save_replies($notice);
+			$notice->saveTags();
 			common_broadcast_notice($notice, true);
 		}
 		return true;

classes/Notice.php

@@ -51,4 +51,28 @@ class Notice extends DB_DataObject
 	function getProfile() {
 		return Profile::staticGet($this->profile_id);
 	}
+
+	function saveTags() {
+		/* extract all #hastags */
+		$count = preg_match_all('/(?:^|\s)#([a-z0-9]{1,64})/', strtolower($this->content), $match);
+		if (!$count) {
+			return true;
+		}
+
+		/* Add them to the database */
+		foreach(array_unique($match[1]) as $hashtag) {
+			$tag = DB_DataObject::factory('Notice_tag');
+			$tag->notice_id = $this->id;
+			$tag->tag = $hashtag;
+			$tag->created = $this->created;
+			$id = $tag->insert();
+			if (!$id) {
+				$last_error = PEAR::getStaticProperty('DB_DataObject','lastError');
+				common_log(LOG_ERROR, 'DB error inserting hashtag: ' . $last_error->message);
+				common_server_error(sprintf(_('DB error inserting hashtag: %s'), $last_error->message));
+				return;
+			}
+		}
+		return true;
+	}
 }

classes/Notice_tag.php

@@ -0,0 +1,22 @@
+<?php
+/**
+ * Table Definition for notice_tag
+ */
+require_once 'DB/DataObject.php';
+
+class Notice_tag extends DB_DataObject
+{
+    ###START_AUTOCODE
+    /* the code below is auto generated do not remove the above tag */
+
+    public $__table = 'notice_tag';                      // table name
+    public $tag;                             // varchar(64)  primary_key not_null
+    public $notice_id;                       // int(4)  primary_key not_null
+    public $created;                         // datetime()   not_null
+
+    /* Static get */
+    function staticGet($k,$v=NULL) { return DB_DataObject::staticGet('Notice_tag',$k,$v); }
+
+    /* the code above is auto generated do not remove the tag below */
+    ###END_AUTOCODE
+}

db/laconica.sql

@@ -226,3 +226,12 @@ create table queue_item (
 
 ) ENGINE=MyISAM;
 
+/* Hash tags */
+create table notice_tag (
+    tag varchar( 64 ) not null comment 'hash tag associated with this notice',
+    notice_id integer not null comment 'notice tagged' references notice (id),
+    created datetime not null comment 'date this record was created',
+
+    constraint primary key (tag, notice_id),
+    index notice_tag_created_idx (created)
+) ENGINE=MyISAM;

fixup_hashtags.php

@@ -0,0 +1,46 @@
+#!/usr/bin/env php
+<?php
+/*
+ * Laconica - a distributed open-source microblogging tool
+ * Copyright (C) 2008, Controlez-Vous, Inc.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+# Abort if called from a web server
+if (isset($_SERVER) && array_key_exists('REQUEST_METHOD', $_SERVER)) {
+    print "This script must be run from the command line\n";
+    exit();
+}
+
+define('INSTALLDIR', dirname(__FILE__));
+define('LACONICA', true);
+
+require_once(INSTALLDIR . '/lib/common.php');
+
+common_log(LOG_INFO, 'Starting to do old notices.');
+
+$notice = new Notice();
+$cnt = $notice->find();
+
+while ($notice->fetch()) {
+    common_log(LOG_INFO, 'Getting replies for notice #' . $notice->id);
+    $notice->saveTags();
+	$original = clone($notice);
+	$notice->rendered = common_render_content($notice->content, $notice);
+	$result = $notice->update($original);
+	if (!$result) {
+		common_log_db_error($notice, 'UPDATE', __FILE__);
+	}
+}

lib/common.php

@@ -115,6 +115,5 @@ require_once(INSTALLDIR.'/classes/Confirm_address.php');
 require_once(INSTALLDIR.'/classes/Remember_me.php');
 require_once(INSTALLDIR.'/classes/Queue_item.php');
 require_once(INSTALLDIR.'/classes/Reply.php');
-require_once(INSTALLDIR.'/classes/Sms_carrier.php');
 
 require_once('markdown.php');

lib/util.php

@@ -275,6 +275,7 @@ function common_nav_menu() {
 	}
 	common_menu_item(common_local_url('public'), _('Public'));
 	common_menu_item(common_local_url('peoplesearch'), _('Search'));
+	common_menu_item(common_local_url('tags'), _('Tags'));
 	common_menu_item(common_local_url('doc', array('title' => 'help')),
 					 _('Help'));
 	if ($user) {
@@ -603,11 +604,15 @@ function common_render_content($text, $notice) {
 	$r = preg_replace('@https?://[^)\]>\s]+@', '<a href="\0" class="extlink">\0</a>', $r);
 	$r = preg_replace('/(^|\s+)@([a-z0-9]{1,64})/e', "'\\1@'.common_at_link($id, '\\2')", $r);
 	$r = preg_replace('/^T ([A-Z0-9]{1,64}) /e', "'T '.common_at_link($id, '\\1').' '", $r);
-	# XXX: # tags
+	$r = preg_replace('/(^|\s+)#([a-z0-9]{1,64})/e', "'\\1#'.common_tag_link('\\2')", $r);
 	# XXX: machine tags
 	return $r;
 }
 
+function common_tag_link($tag) {
+	return '<a href="' . htmlspecialchars(common_path('tag/' . $tag)) . '" class="hashlink">' . $tag . '</a>';
+}
+
 function common_at_link($sender_id, $nickname) {
 	$sender = Profile::staticGet($sender_id);
 	$recipient = common_relative_profile($sender, $nickname);
@@ -790,6 +795,16 @@ function common_fancy_url($action, $args=NULL) {
 		return common_path('search/notice/rss' . (($args) ? ('?' . http_build_query($args)) : ''));
 	 case 'avatarbynickname':
 		return common_path($args['nickname'].'/avatar/'.$args['size']);
+	 case 'tag':
+	    if (isset($args['tag']) && $args['tag']) {
+	    		$path = 'tag/' . $args['tag'];
+			unset($args['tag']);
+		} else {
+			$path = 'tags';
+		}
+		return common_path($path . (($args) ? ('?' . http_build_query($args)) : ''));
+	 case 'tags':
+		return common_path('tags' . (($args) ? ('?' . http_build_query($args)) : ''));
 	 default:
 		return common_simple_url($action, $args);
 	}

xmppdaemon.php

@@ -252,6 +252,7 @@ class XMPPDaemon {
 		}
 		$notice->query('COMMIT');
 		common_save_replies($notice);
+		$notice->saveTags();
 		common_real_broadcast($notice);
 		$this->log(LOG_INFO,
 				   'Added notice ' . $notice->id . ' from user ' . $user->nickname);