Refactoring

src/chart/notes.ts

@@ -0,0 +1,114 @@
+import autobind from 'autobind-decorator';
+import Chart, { Obj } from '.';
+import Note, { INote } from '../models/note';
+import { isLocalUser } from '../models/user';
+
+/**
+ * 投稿に関するチャート
+ */
+type NotesLog = {
+	local: {
+		/**
+		 * 集計期間時点での、全投稿数
+		 */
+		total: number;
+
+		/**
+		 * 増加した投稿数
+		 */
+		inc: number;
+
+		/**
+		 * 減少した投稿数
+		 */
+		dec: number;
+
+		diffs: {
+			/**
+			 * 通常の投稿数の差分
+			 */
+			normal: number;
+
+			/**
+			 * リプライの投稿数の差分
+			 */
+			reply: number;
+
+			/**
+			 * Renoteの投稿数の差分
+			 */
+			renote: number;
+		};
+	};
+
+	remote: NotesLog['local'];
+};
+
+class NotesChart extends Chart<NotesLog> {
+	constructor() {
+		super('notes');
+	}
+
+	@autobind
+	protected async getTemplate(init: boolean, latest?: NotesLog): Promise<NotesLog> {
+		const [localCount, remoteCount] = init ? await Promise.all([
+			Note.count({ '_user.host': null }),
+			Note.count({ '_user.host': { $ne: null } })
+		]) : [
+			latest ? latest.local.total : 0,
+			latest ? latest.remote.total : 0
+		];
+
+		return {
+			local: {
+				total: localCount,
+				inc: 0,
+				dec: 0,
+				diffs: {
+					normal: 0,
+					reply: 0,
+					renote: 0
+				}
+			},
+			remote: {
+				total: remoteCount,
+				inc: 0,
+				dec: 0,
+				diffs: {
+					normal: 0,
+					reply: 0,
+					renote: 0
+				}
+			}
+		};
+	}
+
+	@autobind
+	public async update(note: INote, isAdditional: boolean) {
+		const update: Obj = {
+			diffs: {}
+		};
+
+		update.total = isAdditional ? 1 : -1;
+
+		if (isAdditional) {
+			update.inc = 1;
+		} else {
+			update.dec = 1;
+		}
+
+		if (note.replyId != null) {
+			update.diffs.reply = isAdditional ? 1 : -1;
+		} else if (note.renoteId != null) {
+			update.diffs.renote = isAdditional ? 1 : -1;
+		} else {
+			update.diffs.normal = isAdditional ? 1 : -1;
+		}
+
+		await this.inc({
+			[isLocalUser(note._user) ? 'local' : 'remote']: update
+		});
+	}
+}
+
+export default new NotesChart();