Channel (#6621)

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* add notes

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src/server/web/index.ts

@@ -17,7 +17,7 @@ import packFeed from './feed';
 import { fetchMeta } from '../../misc/fetch-meta';
 import { genOpenapiSpec } from '../api/openapi/gen-spec';
 import config from '../../config';
-import { Users, Notes, Emojis, UserProfiles, Pages } from '../../models';
+import { Users, Notes, Emojis, UserProfiles, Pages, Channels } from '../../models';
 import parseAcct from '../../misc/acct/parse';
 import getNoteSummary from '../../misc/get-note-summary';
 import { ensure } from '../../prelude/ensure';
@@ -188,7 +188,7 @@ router.get('/@:user.json', async ctx => {
 	}
 });
 
-//#region for crawlers
+//#region SSR (for crawlers)
 // User
 router.get(['/@:user', '/@:user/:sub'], async (ctx, next) => {
 	const { username, host } = parseAcct(ctx.params.user);
@@ -297,6 +297,28 @@ router.get('/@:user/pages/:page', async ctx => {
 
 	ctx.status = 404;
 });
+
+// Channel
+router.get('/channels/:channel', async ctx => {
+	const channel = await Channels.findOne({
+		id: ctx.params.channel,
+	});
+
+	if (channel) {
+		const _channel = await Channels.pack(channel);
+		const meta = await fetchMeta();
+		await ctx.render('channel', {
+			channel: _channel,
+			instanceName: meta.name || 'Misskey'
+		});
+
+		ctx.set('Cache-Control', 'public, max-age=180');
+
+		return;
+	}
+
+	ctx.status = 404;
+});
 //#endregion
 
 router.get('/info', async ctx => {

src/server/web/views/channel.pug

@@ -0,0 +1,21 @@
+extends ./base
+
+block vars
+	- const title = channel.name;
+	- const url = `${config.url}/channels/${channel.id}`;
+
+block title
+	= `${title} | ${instanceName}`
+
+block desc
+	meta(name='description' content= channel.description)
+
+block og
+	meta(property='og:type'        content='article')
+	meta(property='og:title'       content= title)
+	meta(property='og:description' content= channel.description)
+	meta(property='og:url'         content= url)
+	meta(property='og:image'       content= channel.bannerUrl)
+
+block meta
+	meta(name='twitter:card' content='summary')