From caf945765335c81d4785b7a108c1944aa0f2af26 Mon Sep 17 00:00:00 2001
From: syuilo <syuilotan@yahoo.co.jp>
Date: Sat, 25 Mar 2017 16:43:55 +0900
Subject: [PATCH] #321

---
 package.json                                  |   2 +-
 src/api/endpoints.ts                          |   4 +
 .../endpoints/posts/polls/recommendation.ts   |  57 ++++++++++
 .../tags/home-widgets/recommended-polls.tag   | 103 ++++++++++++++++++
 src/web/app/desktop/tags/home.tag             |   1 +
 src/web/app/desktop/tags/index.js             |   1 +
 6 files changed, 167 insertions(+), 1 deletion(-)
 create mode 100644 src/api/endpoints/posts/polls/recommendation.ts
 create mode 100644 src/web/app/desktop/tags/home-widgets/recommended-polls.tag

diff --git a/package.json b/package.json
index 67b8015fa9..8a7071a180 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "misskey",
   "author": "syuilo <i@syuilo.com>",
-  "version": "0.0.1434",
+  "version": "0.0.1460",
   "license": "MIT",
   "description": "A miniblog-based SNS",
   "bugs": "https://github.com/syuilo/misskey/issues",
diff --git a/src/api/endpoints.ts b/src/api/endpoints.ts
index 2d3716bb85..f0031b82a2 100644
--- a/src/api/endpoints.ts
+++ b/src/api/endpoints.ts
@@ -409,6 +409,10 @@ const endpoints: Endpoint[] = [
 		},
 		kind: 'vote-write'
 	},
+	{
+		name: 'posts/polls/recommendation',
+		withCredential: true
+	},
 
 	{
 		name: 'messaging/history',
diff --git a/src/api/endpoints/posts/polls/recommendation.ts b/src/api/endpoints/posts/polls/recommendation.ts
new file mode 100644
index 0000000000..d3fccf1233
--- /dev/null
+++ b/src/api/endpoints/posts/polls/recommendation.ts
@@ -0,0 +1,57 @@
+/**
+ * Module dependencies
+ */
+import $ from 'cafy';
+import Vote from '../../../models/poll-vote';
+import Post from '../../../models/post';
+import serialize from '../../../serializers/post';
+
+/**
+ * Get recommended polls
+ *
+ * @param {any} params
+ * @param {any} user
+ * @return {Promise<any>}
+ */
+module.exports = (params, user) => new Promise(async (res, rej) => {
+	// Get 'limit' parameter
+	const [limit = 10, limitErr] = $(params.limit).optional.number().range(1, 100).$;
+	if (limitErr) return rej('invalid limit param');
+
+	// Get 'offset' parameter
+	const [offset = 0, offsetErr] = $(params.offset).optional.number().min(0).$;
+	if (offsetErr) return rej('invalid offset param');
+
+	// Get votes
+	const votes = await Vote.find({
+		user_id: user._id
+	}, {
+		fields: {
+			_id: false,
+			post_id: true
+		}
+	});
+
+	const nin = votes && votes.length != 0 ? votes.map(v => v.post_id) : [];
+
+	const posts = await Post
+		.find({
+			_id: {
+				$nin: nin
+			},
+			poll: {
+				$exists: true,
+				$ne: null
+			}
+		}, {
+			limit: limit,
+			skip: offset,
+			sort: {
+				_id: -1
+			}
+		});
+
+	// Serialize
+	res(await Promise.all(posts.map(async post =>
+		await serialize(post, user, { detail: true }))));
+});
diff --git a/src/web/app/desktop/tags/home-widgets/recommended-polls.tag b/src/web/app/desktop/tags/home-widgets/recommended-polls.tag
new file mode 100644
index 0000000000..4ef7701c45
--- /dev/null
+++ b/src/web/app/desktop/tags/home-widgets/recommended-polls.tag
@@ -0,0 +1,103 @@
+<mk-recommended-polls-home-widget>
+	<p class="title"><i class="fa fa-pie-chart"></i>投票</p>
+	<button onclick={ refresh } title="他を見る"><i class="fa fa-refresh"></i></button>
+	<div class="poll" if={ !loading && poll != null }>
+		<p class="text">{ poll.text }</p>
+		<mk-poll post={ poll }></mk-poll>
+	</div>
+	<p class="empty" if={ !loading && poll == null }>ありません！</p>
+	<p class="loading" if={ loading }><i class="fa fa-spinner fa-pulse fa-fw"></i>読み込んでいます<mk-ellipsis></mk-ellipsis></p>
+	<style>
+		:scope
+			display block
+			background #fff
+
+			> .title
+				margin 0
+				padding 0 16px
+				line-height 42px
+				font-size 0.9em
+				font-weight bold
+				color #888
+				border-bottom solid 1px #eee
+
+				> i
+					margin-right 4px
+
+			> button
+				position absolute
+				z-index 2
+				top 0
+				right 0
+				padding 0
+				width 42px
+				font-size 0.9em
+				line-height 42px
+				color #ccc
+
+				&:hover
+					color #aaa
+
+				&:active
+					color #999
+
+			> .poll
+				padding 16px
+				font-size 12px
+				color #555
+
+				> p
+					margin 0 0 8px 0
+
+			> .empty
+				margin 0
+				padding 16px
+				text-align center
+				color #aaa
+
+			> .loading
+				margin 0
+				padding 16px
+				text-align center
+				color #aaa
+
+				> i
+					margin-right 4px
+
+	</style>
+	<script>
+		this.mixin('api');
+
+		this.poll = null;
+		this.loading = true;
+
+		this.offset = 0;
+
+		this.on('mount', () => {
+			this.fetch();
+		});
+
+		this.fetch = () => {
+			this.update({
+				loading: true,
+				poll: null
+			});
+			this.api('posts/polls/recommendation', {
+				limit: 1,
+				offset: this.offset
+			}).then(posts => {
+				const poll = posts ? posts[0] : null;
+				if (poll == null) this.offset = 0;
+				this.update({
+					loading: false,
+					poll: poll
+				});
+			});
+		};
+
+		this.refresh = () => {
+			this.offset++;
+			this.fetch();
+		};
+	</script>
+</mk-recommended-polls-home-widget>
diff --git a/src/web/app/desktop/tags/home.tag b/src/web/app/desktop/tags/home.tag
index 6c218d93c3..93840bdf0e 100644
--- a/src/web/app/desktop/tags/home.tag
+++ b/src/web/app/desktop/tags/home.tag
@@ -76,6 +76,7 @@
 				'broadcast',
 				'notifications',
 				'user-recommendation',
+				'recommended-polls',
 				'donation',
 				'nav',
 				'tips'
diff --git a/src/web/app/desktop/tags/index.js b/src/web/app/desktop/tags/index.js
index 1dd279430d..3032c9c544 100644
--- a/src/web/app/desktop/tags/index.js
+++ b/src/web/app/desktop/tags/index.js
@@ -42,6 +42,7 @@ require('./home-widgets/rss-reader.tag');
 require('./home-widgets/photo-stream.tag');
 require('./home-widgets/broadcast.tag');
 require('./home-widgets/version.tag');
+require('./home-widgets/recommended-polls.tag');
 require('./timeline.tag');
 require('./messaging/window.tag');
 require('./messaging/room-window.tag');