resolve #10

src/functions/format.ts

@@ -1,13 +1,66 @@
 import { config } from '../config';
+import { User } from '../models/entities/user';
 import { Score } from '../types/Score';
 
-export const format = (score: Score): string => `昨日のMisskeyの活動は
+export const defaultTemplate = `昨日のMisskeyの活動は
 
-ノート: ${score.notesCount}(${score.notesDelta})
-フォロー : ${score.followingCount}(${score.followingDelta})
-フォロワー :${score.followersCount}(${score.followersDelta})
+ノート: {notesCount}({notesDelta})
+フォロー : {followingCount}({followingDelta})
+フォロワー :{followersCount}({followersDelta})
 
 でした。
-${config.url}
+{url}`;
 
-#misshaialert`;
+export type Variable = {
+	description?: string;
+	replace?: string | ((score: Score, user: User) => string);
+};
+
+export const variables: Record<string, Variable> = {
+	notesCount: {
+		description: 'ノート数',
+		replace: (score) => String(score.notesCount),
+	},
+	followingCount: {
+		description: 'フォロー数',
+		replace: (score) => String(score.followingCount),
+	},
+	followersCount: {
+		description: 'フォロワー数',
+		replace: (score) => String(score.followersCount),
+	},
+	notesDelta: {
+		description: '昨日とのノート数の差',
+		replace: (score) => String(score.notesDelta),
+	},
+	followingDelta: {
+		description: '昨日とのフォロー数の差',
+		replace: (score) => String(score.followingDelta),
+	},
+	followersDelta: {
+		description: '昨日とのフォロワー数の差',
+		replace: (score) => String(score.followersDelta),
+	},
+	url: {
+		description: 'みす廃アラートのURL',
+		replace: config.url,
+	},
+	username: {
+		description: 'ユーザー名',
+		replace: (_, user) => String(user.username),
+	},
+	host: {
+		description: '所属するインスタンスのホスト名',
+		replace: (_, user) => String(user.host),
+	},
+};
+
+const variableRegex = /\{([a-zA-Z0-9_]+?)\}/g;
+
+export const format = (score: Score, user: User): string => {
+	const template = user.template || defaultTemplate;
+	return template.replace(variableRegex, (m, name) => {
+		const v = variables[name];
+		return !v || !v.replace ? m : typeof v.replace === 'function' ? v.replace(score, user) : v.replace;
+	}) + '\n\n#misshaialert';
+};