From cd5eec767aaa88fab29e781b12d53d0c92226f3b Mon Sep 17 00:00:00 2001
From: Evan Prodromou <evan@controlyourself.ca>
Date: Mon, 8 Dec 2008 12:37:22 -0500
Subject: [PATCH] add an unblock form

darcs-hash:20081208173722-5ed1f-fcdcb49e4958854ce9872beecee409737cacecb5.gz
---
 actions/showstream.php |   4 +-
 actions/unblock.php    | 102 +++++++++++++++++++++++++++++++++++++++++
 lib/util.php           |  25 +++++++---
 3 files changed, 122 insertions(+), 9 deletions(-)
 create mode 100644 actions/unblock.php

diff --git a/actions/showstream.php b/actions/showstream.php
index 0fc3978110..2919a154f2 100644
--- a/actions/showstream.php
+++ b/actions/showstream.php
@@ -206,8 +206,8 @@ class ShowstreamAction extends StreamAction {
             $blocked = $cur->hasBlocked($profile);
             common_element_start('li', array('id' => ($blocked) ? 'profile_unblock' : 'profile_block'));
             if ($blocked) {
-#                common_unblock_form($profile, array('action' => 'showstream',
-#                                                    'nickname' => $profile->nickname));
+                common_unblock_form($profile, array('action' => 'showstream',
+                                                    'nickname' => $profile->nickname));
             } else {
                 common_block_form($profile, array('action' => 'showstream',
                                                   'nickname' => $profile->nickname));
diff --git a/actions/unblock.php b/actions/unblock.php
new file mode 100644
index 0000000000..192beaab5b
--- /dev/null
+++ b/actions/unblock.php
@@ -0,0 +1,102 @@
+<?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/>.
+ */
+
+if (!defined('LACONICA')) { exit(1); }
+
+class UnblockAction extends Action {
+
+    var $profile = NULL;
+
+    function prepare($args) {
+
+        parent::prepare($args);
+
+        if (!common_logged_in()) {
+            $this->client_error(_('Not logged in.'));
+            return false;
+        }
+
+		$token = $this->trimmed('token');
+
+		if (!$token || $token != common_session_token()) {
+			$this->client_error(_('There was a problem with your session token. Try again, please.'));
+			return;
+		}
+
+        $id = $this->trimmed('unblockto');
+
+        if (!$id) {
+            $this->client_error(_('No profile specified.'));
+            return false;
+        }
+
+        $this->profile = Profile::staticGet('id', $id);
+
+        if (!$this->profile) {
+            $this->client_error(_('No profile with that ID.'));
+            return false;
+        }
+
+        return true;
+    }
+
+    function handle($args) {
+        parent::handle($args);
+        if ($_SERVER['REQUEST_METHOD'] == 'POST') {
+            $this->unblock_profile();
+        }
+    }
+
+    function unblock_profile() {
+
+        $cur = common_current_user();
+
+        # Get the block record
+
+        $block = Profile_block::get($cur->id, $this->profile->id);
+
+        if (!$block) {
+            $this->client_error(_('That user is not blocked!'));
+            return;
+        }
+
+        $result = $block->delete();
+
+        if (!$result) {
+            common_log_db_error($block, 'DELETE', __FILE__);
+            $this->server_error(_('Could not delete block record.'));
+            return;
+        }
+
+        foreach ($this->args as $k => $v) {
+            if ($k == 'returnto-action') {
+                $action = $v;
+            } else if (substr($k, 0, 9) == 'returnto-') {
+                $args[substr($k, 9)] = $v;
+            }
+        }
+
+        if ($action) {
+            common_redirect(common_local_url($action, $args));
+        } else {
+            common_redirect(common_local_url('subscriptions',
+                                             array('nickname' => $cur->nickname)));
+        }
+    }
+}
diff --git a/lib/util.php b/lib/util.php
index 4d670edcc1..1f68a9f031 100644
--- a/lib/util.php
+++ b/lib/util.php
@@ -2185,20 +2185,30 @@ function common_compatible_license($from, $to) {
 	return ($from == $to);
 }
 
+/* These are almost identical, so we use a helper function */
+
 function common_block_form($profile, $args=NULL) {
-    common_element_start('form', array('id' => 'block-' . $profile->id,
+    common_blocking_form('block', _('Block'), $profile, $args);
+}
+
+function common_unblock_form($profile, $args=NULL) {
+    common_blocking_form('unblock', _('Unblock'), $profile, $args);
+}
+
+function common_blocking_form($type, $label, $profile, $args=NULL) {
+    common_element_start('form', array('id' => $type . '-' . $profile->id,
                                        'method' => 'post',
-                                       'class' => 'block',
-                                       'action' => common_local_url('block')));
+                                       'class' => $type,
+                                       'action' => common_local_url($type)));
     common_hidden('token', common_session_token());
-    common_element('input', array('id' => 'blockto-' . $profile->id,
-                                  'name' => 'blockto',
+    common_element('input', array('id' => $type . 'to-' . $profile->id,
+                                  'name' => $type . 'to',
                                   'type' => 'hidden',
                                   'value' => $profile->id));
     common_element('input', array('type' => 'submit',
                                   'class' => 'submit',
-                                  'name' => 'block',
-                                  'value' => _('Block')));
+                                  'name' => $type,
+                                  'value' => $label));
     if ($args) {
         foreach ($args as $k => $v) {
             common_hidden('returnto-' . $k, $v);
@@ -2207,3 +2217,4 @@ function common_block_form($profile, $args=NULL) {
     common_element_end('form');
     return;
 }
+