Add support for 4chan-compatible json API.

1 files changed, 123 insertions, 0 deletions

diff --git a/inc/api.php b/inc/api.php
new file mode 100644
index 00000000..5592d8af
--- /dev/null
+++ b/inc/api.php
@@ -0,0 +1,123 @@
+<?php
+
+/*
+ *  Copyright (c) 2010-2013 Tinyboard Development Group
+ */
+
+/**
+ * Class for generating json API compatible with 4chan API
+ */
+class Api {
+
+	/**
+	 * Translation from local fields to fields in 4chan-style API
+	 */
+	public static $postFields = array(
+		'id' => 'no',
+		'thread' => 'resto',
+		'subject' => 'sub',
+		'email' => 'email',
+		'name' => 'name',
+		'trip' => 'trip',
+		'capcode' => 'capcode',
+		'body' => 'com',
+		'time' => 'time',
+		'thumb' => 'thumb', // non-compatible field
+		'thumbx' => 'tn_w',
+		'thumby' => 'tn_h',
+		'file' => 'file', // non-compatible field
+		'filex' => 'w',
+		'filey' => 'h',
+		'filesize' => 'fsize',
+		//'filename' => 'filename',
+		'omitted' => 'omitted_posts',
+		'omitted_images' => 'omitted_images',
+		//'posts' => 'replies',
+		//'ip' => '',
+		'sticky' => 'sticky',
+		'locked' => 'locked',
+		//'bumplocked' => '',
+		//'embed' => '',
+		//'root' => '',
+		//'mod' => '',
+		//'hr' => '',
+	);
+
+	static $ints = array(
+		'no' => 1,
+		'resto' => 1,
+		'time' => 1,
+		'tn_w' => 1,
+		'tn_h' => 1,
+		'w' => 1,
+		'h' => 1,
+		'fsize' => 1,
+		'omitted_posts' => 1,
+		'omitted_images' => 1,
+		'sticky' => 1,
+		'locked' => 1,
+	);
+
+	private function translatePost($post) {
+		$apiPost = array();
+		foreach (self::$postFields as $local => $translated) {
+			if (!isset($post->$local))
+				continue;
+
+			$toInt = isset(self::$ints[$translated]);
+			$val = $post->$local;
+			if ($val !== null && $val !== '') {
+				$apiPost[$translated] = $toInt ? (int) $val : $val;
+			}
+		}
+
+		if (isset($post->filename)) {
+			$dotPos = strrpos($post->filename, '.');
+			$apiPost['filename'] = substr($post->filename, 0, $dotPos);
+			$apiPost['ext'] = substr($post->filename, $dotPos);
+		}
+
+		return $apiPost;
+	}
+
+	function translateThread(Thread $thread) {
+		$apiPosts = array();
+		$op = $this->translatePost($thread);
+		$op['resto'] = 0;
+		$apiPosts['posts'][] = $op;
+
+		foreach ($thread->posts as $p) {
+			$apiPosts['posts'][] = $this->translatePost($p);
+		}
+
+		return $apiPosts;
+	}
+
+	function translatePage(array $threads) {
+		$apiPage = array();
+		foreach ($threads as $thread) {
+			$apiPage['threads'][] = $this->translateThread($thread);
+		}
+		return $apiPage;
+	}
+
+	function translateCatalogPage(array $threads) {
+		$apiPage = array();
+		foreach ($threads as $thread) {
+			$ts = $this->translateThread($thread);
+			$apiPage['threads'][] = current($ts['posts']);
+		}
+		return $apiPage;
+	}
+
+	function translateCatalog($catalog) {
+		$apiCatalog = array();
+		foreach ($catalog as $page => $threads) {
+			$apiPage = $this->translateCatalogPage($threads);
+			$apiPage['page'] = $page;
+			$apiCatalog[] = $apiPage;
+		}
+
+		return $apiCatalog;
+	}
+}