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import Store from './Store.ts'import type { Redis } from 'https://deno.land/x/redis@v0.25.0/mod.ts'import { SessionData } from '../Session.ts'
export default class RedisStore implements Store {  keyPrefix : string  db : Redis
  constructor(db : Redis, keyPrefix = 'session_') {    this.keyPrefix = keyPrefix    this.db = db  }
  async sessionExists(sessionId : string) {    const session = await this.db.get(this.keyPrefix + sessionId)    return session ? true : false  }
  async getSessionById(sessionId : string) {    const session = await this.db.get(this.keyPrefix + sessionId)
    if (session) {      const sessionString : string = String(await this.db.get(this.keyPrefix + sessionId))      const value = JSON.parse(sessionString) as SessionData      return value    } else {      return null    }  }
  async createSession(sessionId : string, initialData: SessionData) {    await this.db.set(this.keyPrefix + sessionId, JSON.stringify(initialData))  }
  async deleteSession(sessionId : string) {    await this.db.del(this.keyPrefix + sessionId)  }
  async persistSessionData(sessionId : string, sessionData : SessionData) {    await this.db.set(this.keyPrefix + sessionId, JSON.stringify(sessionData))  }}