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: [PATCH] wip

---
 .../endpoints/posts/{likes.js => likes.ts}    | 30 +++++--------------
 src/api/it.ts                                 | 24 +++++++++++++++
 2 files changed, 32 insertions(+), 22 deletions(-)
 rename src/api/endpoints/posts/{likes.js => likes.ts} (64%)

diff --git a/src/api/endpoints/posts/likes.js b/src/api/endpoints/posts/likes.ts
similarity index 64%
rename from src/api/endpoints/posts/likes.js
rename to src/api/endpoints/posts/likes.ts
index 67898218c..5c18679d7 100644
--- a/src/api/endpoints/posts/likes.js
+++ b/src/api/endpoints/posts/likes.ts
@@ -3,7 +3,7 @@
 /**
  * Module dependencies
  */
-import * as mongo from 'mongodb';
+import it from '../../it';
 import Post from '../../models/post';
 import Like from '../../models/like';
 import serialize from '../../serializers/user';
@@ -19,33 +19,19 @@ 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');
-	}
+	const [postId, postIdErr] = it(params.post_id, 'id', true);
+	if (postIdErr) return rej('invalid post_id');
 
 	// 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;
-	}
+	const [limit, limitErr] = it(params.limit).expect.number().range(1, 100).default(10).qed();
+	if (limitErr) return rej('invalid limit');
 
 	// Get 'offset' parameter
-	let offset = params.offset;
-	if (offset !== undefined && offset !== null) {
-		offset = parseInt(offset, 10);
-	} else {
-		offset = 0;
-	}
+	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
diff --git a/src/api/it.ts b/src/api/it.ts
index 5ca8d7dca..2e6a7a770 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 {