From c8957b36ea11a41604330c8f87c0fc0611ef18e6 Mon Sep 17 00:00:00 2001
From: friendica <info@friendica.com>
Date: Mon, 10 Sep 2012 22:00:56 -0700
Subject: permissions responder + upstream merge

---
 object/Conversation.php | 162 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 162 insertions(+)
 create mode 100644 object/Conversation.php

(limited to 'object/Conversation.php')

diff --git a/object/Conversation.php b/object/Conversation.php
new file mode 100644
index 000000000..8b838f7d0
--- /dev/null
+++ b/object/Conversation.php
@@ -0,0 +1,162 @@
+<?php
+if(class_exists('Conversation'))
+	return;
+
+require_once('boot.php');
+require_once('object/BaseObject.php');
+require_once('object/Item.php');
+require_once('include/text.php');
+
+/**
+ * A list of threads
+ *
+ * We should think about making this a SPL Iterator
+ */
+class Conversation extends BaseObject {
+	private $threads = array();
+	private $mode = null;
+	private $writable = false;
+	private $profile_owner = 0;
+	private $preview = false;
+
+	public function __construct($mode, $preview) {
+		$this->set_mode($mode);
+		$this->preview = $preview;
+	}
+
+	/**
+	 * Set the mode we'll be displayed on
+	 */
+	private function set_mode($mode) {
+		if($this->get_mode() == $mode)
+			return;
+
+		$a = $this->get_app();
+
+		switch($mode) {
+			case 'network':
+			case 'notes':
+				$this->profile_owner = local_user();
+				$this->writable = true;
+				break;
+			case 'profile':
+				$this->profile_owner = $a->profile['profile_uid'];
+				$this->writable = can_write_wall($a,$this->profile_owner);
+				break;
+			case 'display':
+				$this->profile_owner = $a->profile['uid'];
+				$this->writable = can_write_wall($a,$this->profile_owner);
+				break;
+			default:
+				logger('[ERROR] Conversation::set_mode : Unhandled mode ('. $mode .').', LOGGER_DEBUG);
+				return false;
+				break;
+		}
+		$this->mode = $mode;
+	}
+
+	/**
+	 * Get mode
+	 */
+	public function get_mode() {
+		return $this->mode;
+	}
+
+	/**
+	 * Check if page is writable
+	 */
+	public function is_writable() {
+		return $this->writable;
+	}
+
+	/**
+	 * Check if page is a preview
+	 */
+	public function is_preview() {
+		return $this->preview;
+	}
+
+	/**
+	 * Get profile owner
+	 */
+	public function get_profile_owner() {
+		return $this->profile_owner;
+	}
+
+	/**
+	 * Add a thread to the conversation
+	 *
+	 * Returns:
+	 *      _ The inserted item on success
+	 *      _ false on failure
+	 */
+	public function add_thread($item) {
+		$item_id = $item->get_id();
+		if(!$item_id) {
+			logger('[ERROR] Conversation::add_thread : Item has no ID!!', LOGGER_DEBUG);
+			return false;
+		}
+		if($this->get_thread($item->get_id())) {
+			logger('[WARN] Conversation::add_thread : Thread already exists ('. $item->get_id() .').', LOGGER_DEBUG);
+			return false;
+		}
+
+		/*
+		 * Only add will be displayed
+		 */
+		if($item->get_data_value('network') === NETWORK_MAIL && local_user() != $item->get_data_value('uid')) {
+			logger('[WARN] Conversation::add_thread : Thread is a mail ('. $item->get_id() .').', LOGGER_DEBUG);
+			return false;
+		}
+		if($item->get_data_value('verb') === ACTIVITY_LIKE || $item->get_data_value('verb') === ACTIVITY_DISLIKE) {
+			logger('[WARN] Conversation::add_thread : Thread is a (dis)like ('. $item->get_id() .').', LOGGER_DEBUG);
+			return false;
+		}
+		$item->set_conversation($this);
+		$this->threads[] = $item;
+		return end($this->threads);
+	}
+
+	/**
+	 * Get data in a form usable by a conversation template
+	 *
+	 * We should find a way to avoid using those arguments (at least most of them)
+	 *
+	 * Returns:
+	 *      _ The data requested on success
+	 *      _ false on failure
+	 */
+	public function get_template_data($alike, $dlike) {
+		$result = array();
+
+		foreach($this->threads as $item) {
+			if($item->get_data_value('network') === NETWORK_MAIL && local_user() != $item->get_data_value('uid'))
+				continue;
+			$item_data = $item->get_template_data($alike, $dlike);
+			if(!$item_data) {
+				logger('[ERROR] Conversation::get_template_data : Failed to get item template data ('. $item->get_id() .').', LOGGER_DEBUG);
+				return false;
+			}
+			$result[] = $item_data;
+		}
+
+		return $result;
+	}
+
+	/**
+	 * Get a thread based on its item id
+	 *
+	 * Returns:
+	 *      _ The found item on success
+	 *      _ false on failure
+	 */
+	private function get_thread($id) {
+		foreach($this->threads as $item) {
+			if($item->get_id() == $id)
+				return $item;
+		}
+
+		return false;
+	}
+}
+?>
-- 
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