From 47269a1782d56ae75d4cf210ad7eac1e3fb94a64 Mon Sep 17 00:00:00 2001
From: syuilo <syuilotan@yahoo.co.jp>
Date: Sat, 25 Mar 2017 15:56:26 +0900
Subject: [API] Check post dupulication

---
 src/api/endpoints/posts/create.ts | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

(limited to 'src/api/endpoints/posts/create.ts')

diff --git a/src/api/endpoints/posts/create.ts b/src/api/endpoints/posts/create.ts
index 60b3592682..9ece143fa1 100644
--- a/src/api/endpoints/posts/create.ts
+++ b/src/api/endpoints/posts/create.ts
@@ -2,6 +2,7 @@
  * Module dependencies
  */
 import $ from 'cafy';
+import deepEqual = require('deep-equal');
 import parse from '../../common/text';
 import Post from '../../models/post';
 import { isValidText } from '../../models/post';
@@ -142,6 +143,20 @@ module.exports = (params, user, app) => new Promise(async (res, rej) => {
 		return rej('text, media_ids, repost_id or poll is required');
 	}
 
+	// 直近の投稿と重複してたらエラー
+	// TODO: 直近の投稿が一日前くらいなら重複とは見なさない
+	if (user.latest_post) {
+		if (deepEqual({
+			text: user.latest_post.text,
+			media_ids: (user.latest_post.media_ids || []).map(id => id.toString())
+		}, {
+			text: text,
+			media_ids: (files || []).map(file => file._id.toString())
+		})) {
+			return rej('duplicate');
+		}
+	}
+
 	// 投稿を作成
 	const post = await Post.insert({
 		created_at: new Date(),
@@ -163,6 +178,12 @@ module.exports = (params, user, app) => new Promise(async (res, rej) => {
 	//--------------------------------
 	// Post processes
 
+	User.update({ _id: user._id }, {
+		$set: {
+			latest_post: post
+		}
+	});
+
 	let mentions = [];
 
 	function addMention(mentionee, type) {
-- 
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