Introduce processor

src/server/api/endpoints/posts.ts

@@ -0,0 +1,97 @@
+/**
+ * Module dependencies
+ */
+import $ from 'cafy';
+import Post, { pack } from '../models/post';
+
+/**
+ * Lists all posts
+ *
+ * @param {any} params
+ * @return {Promise<any>}
+ */
+module.exports = (params) => new Promise(async (res, rej) => {
+	// Get 'reply' parameter
+	const [reply, replyErr] = $(params.reply).optional.boolean().$;
+	if (replyErr) return rej('invalid reply param');
+
+	// Get 'repost' parameter
+	const [repost, repostErr] = $(params.repost).optional.boolean().$;
+	if (repostErr) return rej('invalid repost param');
+
+	// Get 'media' parameter
+	const [media, mediaErr] = $(params.media).optional.boolean().$;
+	if (mediaErr) return rej('invalid media param');
+
+	// Get 'poll' parameter
+	const [poll, pollErr] = $(params.poll).optional.boolean().$;
+	if (pollErr) return rej('invalid poll param');
+
+	// Get 'bot' parameter
+	//const [bot, botErr] = $(params.bot).optional.boolean().$;
+	//if (botErr) return rej('invalid bot param');
+
+	// Get 'limit' parameter
+	const [limit = 10, limitErr] = $(params.limit).optional.number().range(1, 100).$;
+	if (limitErr) return rej('invalid limit param');
+
+	// Get 'since_id' parameter
+	const [sinceId, sinceIdErr] = $(params.since_id).optional.id().$;
+	if (sinceIdErr) return rej('invalid since_id param');
+
+	// Get 'until_id' parameter
+	const [untilId, untilIdErr] = $(params.until_id).optional.id().$;
+	if (untilIdErr) return rej('invalid until_id param');
+
+	// Check if both of since_id and until_id is specified
+	if (sinceId && untilId) {
+		return rej('cannot set since_id and until_id');
+	}
+
+	// Construct query
+	const sort = {
+		_id: -1
+	};
+	const query = {} as any;
+	if (sinceId) {
+		sort._id = 1;
+		query._id = {
+			$gt: sinceId
+		};
+	} else if (untilId) {
+		query._id = {
+			$lt: untilId
+		};
+	}
+
+	if (reply != undefined) {
+		query.reply_id = reply ? { $exists: true, $ne: null } : null;
+	}
+
+	if (repost != undefined) {
+		query.repost_id = repost ? { $exists: true, $ne: null } : null;
+	}
+
+	if (media != undefined) {
+		query.media_ids = media ? { $exists: true, $ne: null } : null;
+	}
+
+	if (poll != undefined) {
+		query.poll = poll ? { $exists: true, $ne: null } : null;
+	}
+
+	// TODO
+	//if (bot != undefined) {
+	//	query.is_bot = bot;
+	//}
+
+	// Issue query
+	const posts = await Post
+		.find(query, {
+			limit: limit,
+			sort: sort
+		});
+
+	// Serialize
+	res(await Promise.all(posts.map(async post => await pack(post))));
+});