From d6af0bb78ba2cd179161139b7ae20655e69a98c1 Mon Sep 17 00:00:00 2001
From: syuilo <syuilotan@yahoo.co.jp>
Date: Fri, 3 Mar 2017 05:52:12 +0900
Subject: wip

---
 src/api/endpoints/posts/likes.js | 76 ----------------------------------------
 src/api/endpoints/posts/likes.ts | 62 ++++++++++++++++++++++++++++++++
 src/api/it.ts                    | 24 +++++++++++++
 3 files changed, 86 insertions(+), 76 deletions(-)
 delete mode 100644 src/api/endpoints/posts/likes.js
 create mode 100644 src/api/endpoints/posts/likes.ts

(limited to 'src/api')

diff --git a/src/api/endpoints/posts/likes.js b/src/api/endpoints/posts/likes.js
deleted file mode 100644
index 67898218cf..0000000000
--- a/src/api/endpoints/posts/likes.js
+++ /dev/null
@@ -1,76 +0,0 @@
-'use strict';
-
-/**
- * Module dependencies
- */
-import * as mongo from 'mongodb';
-import Post from '../../models/post';
-import Like from '../../models/like';
-import serialize from '../../serializers/user';
-
-/**
- * Show a likes of a post
- *
- * @param {any} params
- * @param {any} user
- * @return {Promise<any>}
- */
-module.exports = (params, user) =>
-	new Promise(async (res, rej) =>
-{
-	// Get 'post_id' parameter
-	const postId = params.post_id;
-	if (postId === undefined || postId === null) {
-		return rej('post_id is required');
-	}
-
-	// Get 'limit' parameter
-	let limit = params.limit;
-	if (limit !== undefined && limit !== null) {
-		limit = parseInt(limit, 10);
-
-		// From 1 to 100
-		if (!(1 <= limit && limit <= 100)) {
-			return rej('invalid limit range');
-		}
-	} else {
-		limit = 10;
-	}
-
-	// Get 'offset' parameter
-	let offset = params.offset;
-	if (offset !== undefined && offset !== null) {
-		offset = parseInt(offset, 10);
-	} else {
-		offset = 0;
-	}
-
-	// Get 'sort' parameter
-	let sort = params.sort || 'desc';
-
-	// Lookup post
-	const post = await Post.findOne({
-		_id: new mongo.ObjectID(postId)
-	});
-
-	if (post === null) {
-		return rej('post not found');
-	}
-
-	// Issue query
-	const likes = await Like
-		.find({
-			post_id: post._id,
-			deleted_at: { $exists: false }
-		}, {
-			limit: limit,
-			skip: offset,
-			sort: {
-				_id: sort == 'asc' ? 1 : -1
-			}
-		});
-
-	// Serialize
-	res(await Promise.all(likes.map(async like =>
-		await serialize(like.user_id, user))));
-});
diff --git a/src/api/endpoints/posts/likes.ts b/src/api/endpoints/posts/likes.ts
new file mode 100644
index 0000000000..5c18679d7c
--- /dev/null
+++ b/src/api/endpoints/posts/likes.ts
@@ -0,0 +1,62 @@
+'use strict';
+
+/**
+ * Module dependencies
+ */
+import it from '../../it';
+import Post from '../../models/post';
+import Like from '../../models/like';
+import serialize from '../../serializers/user';
+
+/**
+ * Show a likes of a post
+ *
+ * @param {any} params
+ * @param {any} user
+ * @return {Promise<any>}
+ */
+module.exports = (params, user) =>
+	new Promise(async (res, rej) =>
+{
+	// Get 'post_id' parameter
+	const [postId, postIdErr] = it(params.post_id, 'id', true);
+	if (postIdErr) return rej('invalid post_id');
+
+	// Get 'limit' parameter
+	const [limit, limitErr] = it(params.limit).expect.number().range(1, 100).default(10).qed();
+	if (limitErr) return rej('invalid limit');
+
+	// Get 'offset' parameter
+	const [offset, offsetErr] = it(params.offset).expect.number().min(0).default(0).qed();
+	if (offsetErr) return rej('invalid offset');
+
+	// Get 'sort' parameter
+	const [sort] = it(params.sort).expect.string().or('desc asc').default('desc').qed();
+	let sort = params.sort || 'desc';
+
+	// Lookup post
+	const post = await Post.findOne({
+		_id: new mongo.ObjectID(postId)
+	});
+
+	if (post === null) {
+		return rej('post not found');
+	}
+
+	// Issue query
+	const likes = await Like
+		.find({
+			post_id: post._id,
+			deleted_at: { $exists: false }
+		}, {
+			limit: limit,
+			skip: offset,
+			sort: {
+				_id: sort == 'asc' ? 1 : -1
+			}
+		});
+
+	// Serialize
+	res(await Promise.all(likes.map(async like =>
+		await serialize(like.user_id, user))));
+});
diff --git a/src/api/it.ts b/src/api/it.ts
index 5ca8d7dcae..2e6a7a770d 100644
--- a/src/api/it.ts
+++ b/src/api/it.ts
@@ -266,6 +266,30 @@ class StringQuery extends QueryCore {
 	validate(validator: Validator<string>) {
 		return super.validate(validator);
 	}
+
+	/**
+	 * このインスタンスの文字列が、与えられたパターン内の文字列のどれかと一致するか検証します
+	 * どれとも一致しない場合エラーにします
+	 * @param pattern 文字列の配列またはスペースで区切られた文字列
+	 */
+	or(pattern: string | string[]) {
+		if (this.error || this.value === null) return this;
+		if (typeof pattern == 'string') pattern = pattern.split(' ');
+		const match = pattern.some(x => x === this.value);
+		if (!match) this.error = new Error('not-match-pattern');
+		return this;
+	}
+
+	/**
+	 * このインスタンスの文字列が、与えられた正規表現と一致するか検証します
+	 * 一致しない場合エラーにします
+	 * @param pattern 正規表現
+	 */
+	match(pattern: RegExp) {
+		if (this.error || this.value === null) return this;
+		if (!pattern.test(this.value)) this.error = new Error('not-match-pattern');
+		return this;
+	}
 }
 
 class ArrayQuery extends QueryCore {
-- 
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