資料庫改為 mySQL
This commit is contained in:
516
lib/mysql-service.ts
Normal file
516
lib/mysql-service.ts
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@@ -0,0 +1,516 @@
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import { PrismaClient } from '@prisma/client'
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import type { ImageFile } from './image-utils'
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import { StatisticsService } from './statistics-service'
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// 創建 Prisma 客戶端實例
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const prisma = new PrismaClient()
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// 類型定義
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export type Wish = {
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id: number
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title: string
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current_pain: string
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expected_solution: string
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expected_effect: string | null
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is_public: boolean
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email: string | null
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images: any[] | null
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user_session: string
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status: string
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category: string | null
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priority: number
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created_at: Date
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updated_at: Date
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like_count?: number
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}
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export type WishInsert = {
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title: string
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current_pain: string
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expected_solution: string
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expected_effect?: string | null
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is_public?: boolean
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email?: string | null
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images?: any[] | null
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user_session: string
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status?: string
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category?: string | null
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priority?: number
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}
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export type WishLike = {
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id: number
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wish_id: number
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user_session: string
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ip_address: string | null
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user_agent: string | null
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created_at: Date
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}
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export type UserSettings = {
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id: number
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user_session: string
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background_music_enabled: boolean
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background_music_volume: number
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background_music_playing: boolean
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theme_preference: string
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language_preference: string
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notification_enabled: boolean
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created_at: Date
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updated_at: Date
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}
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// 錯誤處理
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export class MySQLServiceError extends Error {
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constructor(
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message: string,
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public originalError?: any,
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) {
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super(message)
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this.name = "MySQLServiceError"
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}
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}
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// 生成用戶會話 ID（用於匿名識別）
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export function getUserSession(): string {
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if (typeof window === "undefined") return "server-session"
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let session = localStorage.getItem("user_session")
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if (!session) {
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session = `session_${Date.now()}_${Math.random().toString(36).substr(2, 9)}`
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localStorage.setItem("user_session", session)
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}
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return session
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}
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// 困擾案例相關服務
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export class WishService {
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// 獲取所有公開的困擾案例（帶點讚數）
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static async getPublicWishes(): Promise<Wish[]> {
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try {
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const wishes = await prisma.wish.findMany({
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where: {
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isPublic: true,
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status: 'active'
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},
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orderBy: {
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createdAt: 'desc'
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},
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include: {
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likes: true
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}
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})
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// 添加點讚數
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return wishes.map((wish: any) => ({
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...wish,
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like_count: wish.likes.length
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}))
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} catch (error) {
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console.error("Error fetching public wishes:", error)
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throw new MySQLServiceError("獲取公開困擾失敗", error)
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}
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}
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// 獲取所有困擾案例（用於分析，包含私密的）
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static async getAllWishes(): Promise<Wish[]> {
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try {
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const wishes = await prisma.wish.findMany({
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where: {
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status: 'active'
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},
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orderBy: {
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createdAt: 'desc'
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},
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include: {
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likes: true
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}
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})
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// 添加點讚數
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return wishes.map((wish: any) => ({
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...wish,
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like_count: wish.likes.length
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}))
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} catch (error) {
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console.error("Error fetching all wishes:", error)
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throw new MySQLServiceError("獲取所有困擾失敗", error)
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}
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}
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// 創建新的困擾案例
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static async createWish(wishData: {
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title: string
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currentPain: string
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expectedSolution: string
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expectedEffect?: string
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isPublic?: boolean
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email?: string
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images?: ImageFile[]
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}): Promise<Wish> {
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try {
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// 轉換圖片數據格式
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const imageData = wishData.images?.map((img) => ({
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id: img.id,
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name: img.name,
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size: img.size,
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type: img.type,
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base64: img.base64 || img.url,
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})) || []
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const userSession = getUserSession()
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const wish = await prisma.wish.create({
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data: {
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title: wishData.title,
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currentPain: wishData.currentPain,
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expectedSolution: wishData.expectedSolution,
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expectedEffect: wishData.expectedEffect || null,
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isPublic: wishData.isPublic ?? true,
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email: wishData.email || null,
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images: imageData,
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userSession: userSession,
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status: 'active',
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priority: 3
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},
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include: {
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likes: true
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}
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})
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// 更新統計數據
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await StatisticsService.updateWishStats(Number(wish.id), 'create', wishData.isPublic ?? true)
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return {
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...wish,
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like_count: wish.likes.length
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}
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} catch (error) {
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console.error("Error creating wish:", error)
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throw new MySQLServiceError("創建困擾失敗", error)
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}
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}
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// 獲取統計數據
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static async getWishesStats() {
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try {
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const result = await prisma.$queryRaw`
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CALL GetWishesStats()
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`
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return result
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} catch (error) {
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console.error("Error fetching wishes stats:", error)
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throw new MySQLServiceError("獲取統計數據失敗", error)
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}
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}
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// 根據 ID 獲取困擾案例
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static async getWishById(id: number): Promise<Wish | null> {
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try {
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const wish = await prisma.wish.findUnique({
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where: { id },
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include: {
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likes: true
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}
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})
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if (!wish) return null
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return {
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...wish,
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like_count: wish.likes.length
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}
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} catch (error) {
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console.error("Error fetching wish by id:", error)
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throw new MySQLServiceError("獲取困擾案例失敗", error)
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}
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}
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// 更新困擾案例
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static async updateWish(id: number, data: Partial<WishInsert>): Promise<Wish> {
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try {
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const wish = await prisma.wish.update({
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where: { id },
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data: {
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...data,
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updatedAt: new Date()
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},
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include: {
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likes: true
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}
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})
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return {
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...wish,
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like_count: wish.likes.length
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}
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} catch (error) {
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console.error("Error updating wish:", error)
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throw new MySQLServiceError("更新困擾案例失敗", error)
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}
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}
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// 刪除困擾案例
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static async deleteWish(id: number): Promise<boolean> {
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try {
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await prisma.wish.delete({
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where: { id }
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})
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return true
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} catch (error) {
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console.error("Error deleting wish:", error)
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throw new MySQLServiceError("刪除困擾案例失敗", error)
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}
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}
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}
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// 點讚相關服務
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export class LikeService {
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// 為困擾案例點讚
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static async likeWish(wishId: number): Promise<boolean> {
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try {
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const userSession = getUserSession()
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await prisma.wishLike.create({
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data: {
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wishId: wishId,
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userSession: userSession,
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}
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})
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// 更新統計數據
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await StatisticsService.updateLikeStats(wishId, 'create')
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return true
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} catch (error: any) {
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// 如果是重複點讚錯誤，返回 false
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if (error.code === 'P2002') {
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return false
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}
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console.error("Error liking wish:", error)
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throw new MySQLServiceError("點讚失敗", error)
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}
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}
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// 取消點讚
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static async unlikeWish(wishId: number): Promise<boolean> {
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try {
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const userSession = getUserSession()
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const result = await prisma.wishLike.deleteMany({
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where: {
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wishId: wishId,
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userSession: userSession
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}
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})
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if (result.count > 0) {
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// 更新統計數據
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await StatisticsService.updateLikeStats(wishId, 'delete')
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return true
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}
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return false
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} catch (error) {
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console.error("Error unliking wish:", error)
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throw new MySQLServiceError("取消點讚失敗", error)
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}
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}
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// 檢查用戶是否已點讚
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static async hasUserLiked(wishId: number): Promise<boolean> {
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try {
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const userSession = getUserSession()
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const like = await prisma.wishLike.findFirst({
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where: {
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wishId: wishId,
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userSession: userSession
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}
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})
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return !!like
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} catch (error) {
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console.error("Error checking like status:", error)
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return false
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}
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}
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// 獲取困擾案例的點讚數
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static async getWishLikeCount(wishId: number): Promise<number> {
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try {
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const count = await prisma.wishLike.count({
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where: {
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wish_id: wishId
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}
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})
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return count
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} catch (error) {
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console.error("Error fetching like count:", error)
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return 0
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}
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}
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// 獲取用戶已點讚的困擾 ID 列表
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static async getUserLikedWishes(): Promise<number[]> {
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try {
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const userSession = getUserSession()
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const likes = await prisma.wishLike.findMany({
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where: {
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userSession: userSession
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},
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select: {
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wishId: true
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}
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})
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return likes.map((like: any) => like.wishId)
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} catch (error) {
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console.error("Error fetching user liked wishes:", error)
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return []
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}
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}
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}
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// 用戶設定相關服務
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export class UserSettingsService {
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// 獲取用戶設定
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static async getUserSettings(): Promise<UserSettings | null> {
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try {
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const userSession = getUserSession()
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const settings = await prisma.userSetting.findUnique({
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where: {
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userSession: userSession
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}
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})
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return settings
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} catch (error) {
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console.error("Error fetching user settings:", error)
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return null
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}
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}
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// 更新或創建用戶設定
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static async updateUserSettings(settings: {
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backgroundMusicEnabled?: boolean
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backgroundMusicVolume?: number
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backgroundMusicPlaying?: boolean
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themePreference?: string
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languagePreference?: string
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notificationEnabled?: boolean
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}): Promise<UserSettings> {
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try {
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const userSession = getUserSession()
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const userSettings = await prisma.userSetting.upsert({
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where: {
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userSession: userSession
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},
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update: {
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backgroundMusicEnabled: settings.backgroundMusicEnabled,
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backgroundMusicVolume: settings.backgroundMusicVolume,
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backgroundMusicPlaying: settings.backgroundMusicPlaying,
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themePreference: settings.themePreference,
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languagePreference: settings.languagePreference,
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notificationEnabled: settings.notificationEnabled,
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},
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create: {
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userSession: userSession,
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backgroundMusicEnabled: settings.backgroundMusicEnabled ?? false,
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backgroundMusicVolume: settings.backgroundMusicVolume ?? 0.3,
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backgroundMusicPlaying: settings.backgroundMusicPlaying ?? false,
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themePreference: settings.themePreference ?? 'auto',
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languagePreference: settings.languagePreference ?? 'zh-TW',
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notificationEnabled: settings.notificationEnabled ?? true,
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}
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})
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return userSettings
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} catch (error) {
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console.error("Error updating user settings:", error)
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throw new MySQLServiceError("更新用戶設定失敗", error)
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}
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}
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}
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// 數據遷移服務（從 Supabase 遷移到 MySQL）
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export class MigrationService {
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// 遷移 Supabase 數據到 MySQL
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static async migrateFromSupabase(supabaseData: any[]): Promise<{
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success: number
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failed: number
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errors: string[]
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}> {
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const result = {
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success: 0,
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failed: 0,
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errors: [] as string[],
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}
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try {
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console.log(`Starting migration of ${supabaseData.length} wishes...`)
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for (const wish of supabaseData) {
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try {
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await WishService.createWish({
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title: wish.title,
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currentPain: wish.current_pain,
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expectedSolution: wish.expected_solution,
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expectedEffect: wish.expected_effect,
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isPublic: wish.is_public,
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email: wish.email,
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images: wish.images || [],
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})
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result.success++
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} catch (error) {
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result.failed++
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result.errors.push(`Failed to migrate wish "${wish.title}": ${error}`)
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}
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}
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console.log(`Migration completed: ${result.success} success, ${result.failed} failed`)
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return result
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} catch (error) {
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console.error("Migration error:", error)
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result.errors.push(`Migration process failed: ${error}`)
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return result
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}
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}
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// 清空所有數據（測試用）
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static async clearAllData(): Promise<void> {
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try {
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await prisma.wishLike.deleteMany()
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await prisma.wish.deleteMany()
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await prisma.userSetting.deleteMany()
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await prisma.migrationLog.deleteMany()
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await prisma.systemStat.deleteMany()
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console.log("All data cleared")
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} catch (error) {
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console.error("Error clearing data:", error)
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throw new MySQLServiceError("清空數據失敗", error)
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}
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}
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}
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// 測試 MySQL 連接
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export async function testMySQLConnection(): Promise<boolean> {
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try {
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await prisma.$queryRaw`SELECT 1`
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console.log("✅ MySQL connection successful")
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return true
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} catch (error) {
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console.error("MySQL connection test failed:", error)
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return false
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}
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}
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// 關閉 Prisma 連接
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export async function closeMySQLConnection(): Promise<void> {
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await prisma.$disconnect()
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}
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export default prisma
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Reference in New Issue
Block a user