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import * as EventEmitter from 'events';
import * as bcrypt from 'bcryptjs';
import User, { IUser } from '../models/user';
export default class BotCore extends EventEmitter {
public user: IUser;
private context: Context = null;
constructor(user: IUser) {
super();
this.user = user;
}
public async q(query: string): Promise<string> {
if (this.context != null) {
return await this.context.q(query);
}
switch (query) {
case 'ping':
return 'PONG';
case 'ログイン':
case 'サインイン':
this.context = new SigninContext(this);
return await this.context.greet();
default:
return '?';
}
}
public setUser(user: IUser) {
this.user = user;
this.emit('set-user', user);
}
}
abstract class Context {
protected core: BotCore;
public abstract async greet(): Promise<string>;
public abstract async q(query: string): Promise<string>;
constructor(core: BotCore) {
this.core = core;
}
}
class SigninContext extends Context {
private temporaryUser: IUser;
public async greet(): Promise<string> {
return 'まずユーザー名を教えてください:';
}
public async q(query: string): Promise<string> {
if (this.temporaryUser == null) {
// Fetch user
const user: IUser = await User.findOne({
username_lower: query.toLowerCase()
}, {
fields: {
data: false,
profile: false
}
});
if (user === null) {
return `${query}というユーザーは存在しませんでした... もう一度教えてください:`;
} else {
this.temporaryUser = user;
return `パスワードを教えてください:`;
}
} else {
// Compare password
const same = bcrypt.compareSync(query, this.temporaryUser.password);
if (same) {
this.core.setUser(this.temporaryUser);
return `${this.temporaryUser.name}さん、おかえりなさい！`;
} else {
return `パスワードが違います... もう一度教えてください:`;
}
}
}
}
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