feat: 完善複習系統規格書 - 補充API呼叫策略和簡化設計
## 核心改進 - 💻 前端規格補充明確的API呼叫策略 (各階段何時呼叫) - 🌐 後端規格大幅簡化 (移除過度複雜的統計分析) - ⏰ 補充核心的間隔重複算法實作 (2^成功次數公式) - 🧪 新增延遲計數系統測試規格 (TDD準備) ## API呼叫策略明確化 - 階段1: 完全不呼叫API (純靜態數據) - 階段2: 仍不呼叫API (localStorage持久化) - 階段3: 才開始API呼叫 (有明確的判斷邏輯) - 錯誤降級: API失敗時自動使用靜態數據 ## 後端設計簡化 - 移除複雜的ReviewSessions/ReviewAttempts表設計 - 只保留核心的FlashcardReviews表 (SuccessCount + NextReviewDate) - 簡化Service層，專注間隔重複算法 - 避免過度工程的統計分析功能 ## 技術細節完整性 - ✅ 信心度簡化為3選項 (模糊/一般/熟悉) - ✅ 延遲計數系統測試案例完整 - ✅ 前後端協作邏輯清晰 - ✅ 符合極簡MVP理念 完整的6層文檔架構: 需求/技術/前端/後端/測試/控制 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>
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@ -6,7 +6,7 @@
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## 📚 **文檔架構說明**
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### **三層文檔分工**
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### **完整文檔架構**
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```
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📋 產品需求規格.md
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@ -16,10 +16,28 @@
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└── 受眾: 產品經理、決策者
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🔧 技術實作規格.md
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├── 具體算法和公式
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├── 數據結構和API設計
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├── 核心算法和公式
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├── 延遲計數系統設計
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├── 信心度評分映射
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└── 受眾: 技術主管、架構師
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💻 前端規格.md
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├── React組件設計
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├── 狀態管理架構
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├── UI/UX實作細節
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└── 受眾: 開發者、技術主管
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└── 受眾: 前端開發者
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🌐 後端規格.md
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├── API端點設計
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├── 數據庫架構
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├── 服務層實作
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└── 受眾: 後端開發者
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🧪 延遲計數系統測試規格.md
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├── TDD測試案例
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├── 您的核心需求驗證
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├── 邊界條件測試
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└── 受眾: QA工程師、開發者
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🛡️ 開發控制規範.md
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├── 複雜度控制規則
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@ -0,0 +1,779 @@
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# 複習系統前端規格書
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**版本**: 1.0
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**對應**: 技術實作規格.md + 產品需求規格.md
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**技術棧**: React 18 + TypeScript + Tailwind CSS
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**狀態管理**: React useState (極簡架構)
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**最後更新**: 2025-10-03
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---
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## 📱 **前端架構設計**
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### **目錄結構**
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```
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app/review-simple/
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├── page.tsx # 主頁面邏輯
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├── data.ts # 數據和類型定義
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├── globals.css # 翻卡動畫樣式
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└── components/
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├── SimpleFlipCard.tsx # 翻卡記憶組件
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├── SimpleChoiceTest.tsx # 詞彙選擇組件 (階段2)
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├── SimpleProgress.tsx # 進度顯示組件
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├── SimpleResults.tsx # 結果統計組件
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└── SimpleTestHeader.tsx # 測試標題組件
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```
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---
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## 🗃️ **數據結構設計**
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### **卡片狀態接口**
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```typescript
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interface CardState extends ApiFlashcard {
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// 前端狀態管理欄位
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skipCount: number // 跳過次數
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wrongCount: number // 答錯次數
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successCount: number // 答對次數
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isCompleted: boolean // 是否已完成
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originalOrder: number // 原始順序索引
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// 計算屬性
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delayScore: number // 延遲分數 = skipCount + wrongCount
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lastAttemptAt: Date // 最後嘗試時間
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}
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```
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### **學習會話狀態**
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```typescript
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interface ReviewSessionState {
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// 卡片管理
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cards: CardState[]
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currentIndex: number
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// 進度統計
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score: {
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correct: number // 答對總數
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total: number // 嘗試總數
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}
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// 會話控制
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isComplete: boolean
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startTime: Date
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// UI狀態
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currentMode: 'flip' | 'choice' // 階段2需要
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}
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```
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---
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## ⚙️ **核心邏輯函數**
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### **延遲計數管理**
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```typescript
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// 跳過處理
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const handleSkip = useCallback((cards: CardState[], currentIndex: number) => {
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const updatedCards = cards.map((card, index) =>
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index === currentIndex
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? {
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...card,
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skipCount: card.skipCount + 1,
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delayScore: card.skipCount + 1 + card.wrongCount,
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lastAttemptAt: new Date()
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}
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: card
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)
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return {
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updatedCards,
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nextIndex: getNextCardIndex(updatedCards, currentIndex)
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}
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}, [])
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// 答錯處理
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const handleWrongAnswer = useCallback((cards: CardState[], currentIndex: number) => {
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const updatedCards = cards.map((card, index) =>
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index === currentIndex
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? {
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...card,
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wrongCount: card.wrongCount + 1,
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delayScore: card.skipCount + card.wrongCount + 1,
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lastAttemptAt: new Date()
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}
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: card
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)
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return {
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updatedCards,
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nextIndex: getNextCardIndex(updatedCards, currentIndex)
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}
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}, [])
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// 答對處理
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const handleCorrectAnswer = useCallback((cards: CardState[], currentIndex: number) => {
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const updatedCards = cards.map((card, index) =>
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index === currentIndex
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? {
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...card,
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isCompleted: true,
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successCount: card.successCount + 1,
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lastAttemptAt: new Date()
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}
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: card
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)
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return {
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updatedCards,
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nextIndex: getNextCardIndex(updatedCards, currentIndex)
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}
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}, [])
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```
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### **智能排序系統**
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```typescript
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// 卡片優先級排序 (您的核心需求)
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const sortCardsByPriority = useCallback((cards: CardState[]): CardState[] => {
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return cards.sort((a, b) => {
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// 1. 已完成的卡片排到最後
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if (a.isCompleted && !b.isCompleted) return 1
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if (!a.isCompleted && b.isCompleted) return -1
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// 2. 未完成卡片按延遲分數排序 (越少越前面)
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const aDelayScore = a.skipCount + a.wrongCount
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const bDelayScore = b.skipCount + b.wrongCount
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if (aDelayScore !== bDelayScore) {
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return aDelayScore - bDelayScore
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}
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// 3. 延遲分數相同時按原始順序
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return a.originalOrder - b.originalOrder
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})
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}, [])
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// 獲取下一張卡片索引
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const getNextCardIndex = (cards: CardState[], currentIndex: number): number => {
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const sortedCards = sortCardsByPriority(cards)
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const incompleteCards = sortedCards.filter(card => !card.isCompleted)
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if (incompleteCards.length === 0) return -1 // 全部完成
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// 返回排序後第一張未完成卡片的索引
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const nextCard = incompleteCards[0]
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return cards.findIndex(card => card.id === nextCard.id)
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}
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```
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---
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## 🎯 **組件設計規格**
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### **SimpleFlipCard.tsx (階段1)**
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```typescript
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interface SimpleFlipCardProps {
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card: CardState
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onAnswer: (confidence: 1|2|3) => void // 簡化為3選項
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onSkip: () => void
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}
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// 內部狀態
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const [isFlipped, setIsFlipped] = useState(false)
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const [selectedConfidence, setSelectedConfidence] = useState<number | null>(null)
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const [cardHeight, setCardHeight] = useState<number>(400)
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// 信心度選項 (簡化版)
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const confidenceOptions = [
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{ level: 1, label: '模糊', color: 'bg-orange-100 text-orange-700 border-orange-200' },
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{ level: 2, label: '一般', color: 'bg-yellow-100 text-yellow-700 border-yellow-200' },
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{ level: 3, label: '熟悉', color: 'bg-green-100 text-green-700 border-green-200' }
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]
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```
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### **SimpleChoiceTest.tsx (階段2)**
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```typescript
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interface SimpleChoiceTestProps {
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card: CardState
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options: string[] // 4選1選項
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onAnswer: (answer: string) => void
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onSkip: () => void
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}
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// 內部狀態
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const [selectedAnswer, setSelectedAnswer] = useState<string | null>(null)
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const [showResult, setShowResult] = useState(false)
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// 答案驗證
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const isCorrect = useMemo(() => selectedAnswer === card.word, [selectedAnswer, card.word])
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```
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### **SimpleProgress.tsx**
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```typescript
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interface SimpleProgressProps {
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cards: CardState[]
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currentIndex: number
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score: { correct: number; total: number }
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}
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// 進度計算
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const completedCount = cards.filter(card => card.isCompleted).length
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const totalCount = cards.length
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const progressPercentage = (completedCount / totalCount) * 100
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// 延遲統計 (顯示跳過次數)
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const delayedCards = cards.filter(card => card.skipCount + card.wrongCount > 0)
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const totalSkips = cards.reduce((sum, card) => sum + card.skipCount, 0)
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const totalWrongs = cards.reduce((sum, card) => sum + card.wrongCount, 0)
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```
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---
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## 🌐 **API呼叫策略** (各階段明確區分)
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### **階段1: 純靜態數據 (當前MVP)**
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```typescript
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// 完全不呼叫任何API
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export default function SimpleReviewPage() {
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useEffect(() => {
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// 直接使用靜態數據，無網路依賴
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const staticCards = SIMPLE_CARDS.map((card, index) => ({
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...card,
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skipCount: 0,
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wrongCount: 0,
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// ... 其他前端狀態
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}))
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setCards(staticCards)
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}, [])
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// 答題完成時：只更新前端狀態，不呼叫API
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const handleAnswer = (confidence: number) => {
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// 純前端邏輯，無API調用
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updateLocalState(confidence)
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}
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}
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```
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### **階段2: 本地持久化 (localStorage)**
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```typescript
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// 仍然不呼叫API，只添加本地存儲
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export default function SimpleReviewPage() {
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useEffect(() => {
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// 1. 嘗試從localStorage載入
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const savedProgress = loadFromLocalStorage()
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if (savedProgress && isSameDay(savedProgress.timestamp)) {
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setCards(savedProgress.cards)
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setCurrentIndex(savedProgress.currentIndex)
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} else {
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// 2. 無有效存檔則使用靜態數據
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setCards(SIMPLE_CARDS.map(addStateFields))
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}
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}, [])
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// 答題時：更新狀態 + 保存到localStorage
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const handleAnswer = (confidence: number) => {
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const newState = updateLocalState(confidence)
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saveToLocalStorage(newState) // 本地持久化
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// 仍然不呼叫API
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}
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}
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```
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### **階段3: API集成 (遠期)**
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```typescript
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// 明確的API呼叫時機和策略
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export default function SimpleReviewPage() {
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const [dataSource, setDataSource] = useState<'static' | 'api'>('static')
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useEffect(() => {
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const loadCards = async () => {
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setLoading(true)
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try {
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// 嘗試API呼叫
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const response = await fetch('/api/flashcards/due?limit=10', {
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headers: {
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'Authorization': `Bearer ${getAuthToken()}`
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}
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})
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if (response.ok) {
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const apiData = await response.json()
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setCards(apiData.data.flashcards.map(addStateFields))
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setDataSource('api')
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} else {
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throw new Error('API failed')
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}
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} catch (error) {
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console.warn('API unavailable, using static data:', error)
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// 降級到靜態數據
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setCards(SIMPLE_CARDS.map(addStateFields))
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setDataSource('static')
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} finally {
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setLoading(false)
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}
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}
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loadCards()
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}, [])
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// 答題時的API呼叫邏輯
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const handleAnswer = async (confidence: number) => {
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// 1. 立即更新前端狀態 (即時響應)
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const newState = updateLocalState(confidence)
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// 2. 如果使用API，同步到後端
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if (dataSource === 'api') {
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try {
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await fetch(`/api/flashcards/${currentCard.id}/review`, {
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method: 'POST',
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headers: {
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'Authorization': `Bearer ${getAuthToken()}`,
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'Content-Type': 'application/json'
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},
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body: JSON.stringify({
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confidence: confidence,
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isCorrect: confidence >= 2
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})
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})
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} catch (error) {
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console.warn('Failed to sync to backend:', error)
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// 前端狀態已更新，API失敗不影響用戶體驗
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}
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}
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}
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}
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```
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### **API呼叫判斷邏輯**
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```typescript
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// 何時使用API vs 靜態數據
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const determineDataSource = () => {
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// 檢查是否有認證Token
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const hasAuth = getAuthToken() !== null
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// 檢查是否在生產環境
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const isProduction = process.env.NODE_ENV === 'production'
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// 檢查是否明確要求使用API
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const forceApi = window.location.search.includes('api=true')
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return (hasAuth && isProduction) || forceApi ? 'api' : 'static'
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}
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```
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---
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## 🔄 **狀態管理設計**
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### **主頁面狀態 (page.tsx)**
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```typescript
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export default function SimpleReviewPage() {
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// 核心狀態
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const [cards, setCards] = useState<CardState[]>([])
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const [currentIndex, setCurrentIndex] = useState(0)
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const [score, setScore] = useState({ correct: 0, total: 0 })
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const [isComplete, setIsComplete] = useState(false)
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const [mode, setMode] = useState<'flip' | 'choice'>('flip') // 階段2需要
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// 初始化卡片狀態
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useEffect(() => {
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const initialCards: CardState[] = SIMPLE_CARDS.map((card, index) => ({
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...card,
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skipCount: 0,
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wrongCount: 0,
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successCount: 0,
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isCompleted: false,
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originalOrder: index,
|
||||
delayScore: 0,
|
||||
lastAttemptAt: new Date()
|
||||
}))
|
||||
setCards(initialCards)
|
||||
}, [])
|
||||
|
||||
// 答題處理
|
||||
const handleAnswer = useCallback((confidence: number) => {
|
||||
const isCorrect = confidence >= 2 // 一般以上算答對
|
||||
|
||||
if (isCorrect) {
|
||||
const result = handleCorrectAnswer(cards, currentIndex)
|
||||
setCards(result.updatedCards)
|
||||
setCurrentIndex(result.nextIndex)
|
||||
} else {
|
||||
const result = handleWrongAnswer(cards, currentIndex)
|
||||
setCards(result.updatedCards)
|
||||
setCurrentIndex(result.nextIndex)
|
||||
}
|
||||
|
||||
// 更新分數統計
|
||||
setScore(prev => ({
|
||||
correct: prev.correct + (isCorrect ? 1 : 0),
|
||||
total: prev.total + 1
|
||||
}))
|
||||
|
||||
// 檢查是否完成
|
||||
checkIfComplete(result.updatedCards)
|
||||
}, [cards, currentIndex])
|
||||
|
||||
// 跳過處理
|
||||
const handleSkipCard = useCallback(() => {
|
||||
const result = handleSkip(cards, currentIndex)
|
||||
setCards(result.updatedCards)
|
||||
setCurrentIndex(result.nextIndex)
|
||||
|
||||
checkIfComplete(result.updatedCards)
|
||||
}, [cards, currentIndex])
|
||||
}
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## 🎨 **UI/UX規格**
|
||||
|
||||
### **翻卡動畫CSS** (您調教過的)
|
||||
```css
|
||||
/* 3D翻卡動畫 */
|
||||
.flip-card-container {
|
||||
perspective: 1000px;
|
||||
}
|
||||
|
||||
.flip-card {
|
||||
transform-style: preserve-3d;
|
||||
transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
|
||||
}
|
||||
|
||||
.flip-card.flipped {
|
||||
transform: rotateY(180deg);
|
||||
}
|
||||
|
||||
.flip-card-front,
|
||||
.flip-card-back {
|
||||
backface-visibility: hidden;
|
||||
position: absolute;
|
||||
width: 100%;
|
||||
height: 100%;
|
||||
}
|
||||
|
||||
.flip-card-back {
|
||||
transform: rotateY(180deg);
|
||||
}
|
||||
```
|
||||
|
||||
### **響應式設計規格**
|
||||
```typescript
|
||||
// 智能高度計算 (您的原設計)
|
||||
const calculateCardHeight = useCallback(() => {
|
||||
if (backRef.current) {
|
||||
const backHeight = backRef.current.scrollHeight
|
||||
const minHeight = window.innerWidth <= 480 ? 300 :
|
||||
window.innerWidth <= 768 ? 350 : 400
|
||||
return Math.max(minHeight, backHeight)
|
||||
}
|
||||
return 400
|
||||
}, [])
|
||||
|
||||
// 信心度按鈕響應式
|
||||
const buttonLayout = window.innerWidth <= 640
|
||||
? 'grid-cols-1 gap-2' // 手機版: 垂直排列
|
||||
: 'grid-cols-3 gap-3' // 桌面版: 水平排列
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## 🔄 **本地存儲設計** (階段2+)
|
||||
|
||||
### **進度持久化**
|
||||
```typescript
|
||||
// localStorage 結構
|
||||
interface StoredProgress {
|
||||
sessionId: string
|
||||
cards: CardState[]
|
||||
currentIndex: number
|
||||
score: { correct: number; total: number }
|
||||
lastSaveTime: string
|
||||
}
|
||||
|
||||
// 儲存進度
|
||||
const saveProgress = (cards: CardState[], currentIndex: number, score: any) => {
|
||||
const progress: StoredProgress = {
|
||||
sessionId: `review_${Date.now()}`,
|
||||
cards,
|
||||
currentIndex,
|
||||
score,
|
||||
lastSaveTime: new Date().toISOString()
|
||||
}
|
||||
|
||||
localStorage.setItem('review-progress', JSON.stringify(progress))
|
||||
}
|
||||
|
||||
// 載入進度
|
||||
const loadProgress = (): StoredProgress | null => {
|
||||
const saved = localStorage.getItem('review-progress')
|
||||
if (!saved) return null
|
||||
|
||||
try {
|
||||
const progress = JSON.parse(saved)
|
||||
// 檢查是否是當日進度 (避免過期數據)
|
||||
const saveTime = new Date(progress.lastSaveTime)
|
||||
const now = new Date()
|
||||
const isToday = saveTime.toDateString() === now.toDateString()
|
||||
|
||||
return isToday ? progress : null
|
||||
} catch {
|
||||
return null
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## 🎯 **路由和導航設計**
|
||||
|
||||
### **頁面路由**
|
||||
```typescript
|
||||
// 路由配置
|
||||
const reviewRoutes = {
|
||||
main: '/review-simple', // 主複習頁面
|
||||
maintenance: '/review', // 維護頁面 (舊版本隔離)
|
||||
backup: '/review-old' // 備份頁面 (複雜版本)
|
||||
}
|
||||
|
||||
// 導航更新
|
||||
const navigationItems = [
|
||||
{ href: '/dashboard', label: '儀表板' },
|
||||
{ href: '/flashcards', label: '詞卡' },
|
||||
{ href: '/review-simple', label: '複習' }, // 指向可用版本
|
||||
{ href: '/generate', label: 'AI 生成' }
|
||||
]
|
||||
```
|
||||
|
||||
### **頁面跳轉邏輯**
|
||||
```typescript
|
||||
// 會話完成後的跳轉
|
||||
const handleComplete = () => {
|
||||
setIsComplete(true)
|
||||
// 可選: 3秒後自動跳轉
|
||||
setTimeout(() => {
|
||||
router.push('/dashboard')
|
||||
}, 3000)
|
||||
}
|
||||
|
||||
// 中途退出處理
|
||||
const handleExit = () => {
|
||||
if (window.confirm('確定要退出複習嗎？進度將不會保存。')) {
|
||||
router.push('/flashcards')
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## 📊 **性能優化規格**
|
||||
|
||||
### **React性能優化**
|
||||
```typescript
|
||||
// 使用 memo 避免不必要重渲染
|
||||
export const SimpleFlipCard = memo(SimpleFlipCardComponent)
|
||||
export const SimpleProgress = memo(SimpleProgressComponent)
|
||||
|
||||
// useCallback 穩定化函數引用
|
||||
const handleAnswer = useCallback((confidence: number) => {
|
||||
// ... 邏輯
|
||||
}, [cards, currentIndex])
|
||||
|
||||
// useMemo 緩存計算結果
|
||||
const sortedCards = useMemo(() =>
|
||||
sortCardsByPriority(cards),
|
||||
[cards]
|
||||
)
|
||||
|
||||
const currentCard = useMemo(() =>
|
||||
cards[currentIndex],
|
||||
[cards, currentIndex]
|
||||
)
|
||||
```
|
||||
|
||||
### **載入性能目標**
|
||||
```typescript
|
||||
// 性能指標
|
||||
const PERFORMANCE_TARGETS = {
|
||||
INITIAL_LOAD: 1500, // 初始載入 < 1.5秒
|
||||
CARD_FLIP: 300, // 翻卡動畫 < 300ms
|
||||
SORT_OPERATION: 100, // 排序計算 < 100ms
|
||||
STATE_UPDATE: 50, // 狀態更新 < 50ms
|
||||
NAVIGATION: 200 // 頁面跳轉 < 200ms
|
||||
}
|
||||
|
||||
// 性能監控
|
||||
const measurePerformance = (operation: string, fn: Function) => {
|
||||
const start = performance.now()
|
||||
const result = fn()
|
||||
const end = performance.now()
|
||||
|
||||
console.log(`${operation}: ${end - start}ms`)
|
||||
return result
|
||||
}
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## 🧪 **測試架構**
|
||||
|
||||
### **測試文件結構**
|
||||
```
|
||||
__tests__/
|
||||
├── delay-counting-system.test.ts # 延遲計數邏輯測試
|
||||
├── card-sorting.test.ts # 排序算法測試
|
||||
├── confidence-mapping.test.ts # 信心度映射測試
|
||||
└── components/
|
||||
├── SimpleFlipCard.test.tsx # 翻卡組件測試
|
||||
├── SimpleProgress.test.tsx # 進度組件測試
|
||||
└── integration.test.tsx # 完整流程集成測試
|
||||
```
|
||||
|
||||
### **Mock數據設計**
|
||||
```typescript
|
||||
// 測試用的 Mock 數據
|
||||
export const MOCK_CARDS: CardState[] = [
|
||||
{
|
||||
id: 'test-1',
|
||||
word: 'evidence',
|
||||
definition: 'facts or information indicating truth',
|
||||
skipCount: 0,
|
||||
wrongCount: 0,
|
||||
successCount: 0,
|
||||
isCompleted: false,
|
||||
originalOrder: 0,
|
||||
delayScore: 0,
|
||||
// ... 其他 API 欄位
|
||||
},
|
||||
{
|
||||
id: 'test-2',
|
||||
word: 'priority',
|
||||
definition: 'the fact of being more important',
|
||||
skipCount: 2,
|
||||
wrongCount: 1,
|
||||
successCount: 0,
|
||||
isCompleted: false,
|
||||
originalOrder: 1,
|
||||
delayScore: 3,
|
||||
// ... 其他 API 欄位
|
||||
}
|
||||
]
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## 🔧 **開發工具配置**
|
||||
|
||||
### **TypeScript 配置**
|
||||
```typescript
|
||||
// 嚴格的類型檢查
|
||||
interface 必須完整定義
|
||||
Props 必須有明確類型
|
||||
回調函數必須有返回值類型
|
||||
狀態更新必須使用正確的類型
|
||||
|
||||
// 避免 any 類型
|
||||
禁止: any, object, Function
|
||||
建議: 具體的接口定義
|
||||
```
|
||||
|
||||
### **ESLint 規則**
|
||||
```typescript
|
||||
// 代碼品質規則
|
||||
'react-hooks/exhaustive-deps': 'error' // 確保 useEffect 依賴正確
|
||||
'react/no-array-index-key': 'warn' // 避免使用 index 作為 key
|
||||
'@typescript-eslint/no-unused-vars': 'error' // 禁止未使用變數
|
||||
|
||||
// 複雜度控制
|
||||
'max-lines': ['error', 200] // 組件最多200行
|
||||
'max-params': ['error', 5] // 函數最多5個參數
|
||||
'complexity': ['error', 10] // 圈複雜度最多10
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## 📱 **使用者體驗規格**
|
||||
|
||||
### **載入狀態處理**
|
||||
```typescript
|
||||
// 載入狀態
|
||||
const [isLoading, setIsLoading] = useState(true)
|
||||
|
||||
// 載入動畫
|
||||
const LoadingSpinner = () => (
|
||||
<div className="flex items-center justify-center h-64">
|
||||
<div className="animate-spin rounded-full h-12 w-12 border-b-2 border-blue-600" />
|
||||
<span className="ml-3 text-gray-600">準備詞卡中...</span>
|
||||
</div>
|
||||
)
|
||||
```
|
||||
|
||||
### **錯誤處理**
|
||||
```typescript
|
||||
// 錯誤狀態
|
||||
const [error, setError] = useState<string | null>(null)
|
||||
|
||||
// 錯誤邊界
|
||||
const ErrorBoundary = ({ error, onRetry }) => (
|
||||
<div className="bg-red-50 border border-red-200 rounded-lg p-6">
|
||||
<h3 className="text-lg font-semibold text-red-700 mb-2">發生錯誤</h3>
|
||||
<p className="text-red-600 mb-4">{error}</p>
|
||||
<button
|
||||
onClick={onRetry}
|
||||
className="bg-red-600 text-white px-4 py-2 rounded-lg hover:bg-red-700"
|
||||
>
|
||||
重新嘗試
|
||||
</button>
|
||||
</div>
|
||||
)
|
||||
```
|
||||
|
||||
### **無障礙設計**
|
||||
```typescript
|
||||
// 鍵盤操作支援
|
||||
const handleKeyDown = (e: KeyboardEvent) => {
|
||||
switch (e.key) {
|
||||
case 'ArrowLeft': handleSkip(); break
|
||||
case 'ArrowRight': handleAnswer(2); break // 一般
|
||||
case 'ArrowUp': handleAnswer(3); break // 熟悉
|
||||
case 'ArrowDown': handleAnswer(1); break // 模糊
|
||||
case ' ': handleFlip(); break // 空格翻卡
|
||||
}
|
||||
}
|
||||
|
||||
// ARIA 標籤
|
||||
<button
|
||||
aria-label={`信心度選擇: ${label}`}
|
||||
role="button"
|
||||
tabIndex={0}
|
||||
>
|
||||
{label}
|
||||
</button>
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## 📋 **開發檢查清單**
|
||||
|
||||
### **組件開發完成標準**
|
||||
- [ ] TypeScript 無錯誤和警告
|
||||
- [ ] 所有 props 都有預設值或必填檢查
|
||||
- [ ] 使用 memo/useCallback 優化性能
|
||||
- [ ] 響應式設計在手機和桌面都正常
|
||||
- [ ] 無障礙功能完整 (鍵盤、ARIA)
|
||||
- [ ] 錯誤狀態有適當處理
|
||||
|
||||
### **功能測試標準**
|
||||
- [ ] 所有延遲計數測試通過
|
||||
- [ ] 排序邏輯測試通過
|
||||
- [ ] 信心度映射測試通過
|
||||
- [ ] 完整流程集成測試通過
|
||||
- [ ] 邊界條件測試通過
|
||||
|
||||
---
|
||||
|
||||
*前端規格維護: 開發團隊*
|
||||
*更新觸發: 產品需求變更或技術實作調整*
|
||||
*目標: 確保前端實作準確性和一致性*
|
||||
|
|
@ -0,0 +1,332 @@
|
|||
# 延遲計數系統測試規格
|
||||
|
||||
**目的**: 將您的延遲計數需求轉換為可執行的測試案例
|
||||
**測試範圍**: 跳過功能、排序邏輯、答錯處理、優先級管理
|
||||
**測試方式**: Jest + React Testing Library
|
||||
**最後更新**: 2025-10-03
|
||||
|
||||
---
|
||||
|
||||
## 🧪 **核心需求測試**
|
||||
|
||||
### **測試1: 跳過功能基礎邏輯**
|
||||
```typescript
|
||||
describe('延遲計數系統 - 跳過功能', () => {
|
||||
test('當使用者在答題時點擊跳過，該題目會跳過', () => {
|
||||
// 準備測試數據
|
||||
const initialCards = [
|
||||
{
|
||||
id: '1',
|
||||
word: 'evidence',
|
||||
skipCount: 0,
|
||||
wrongCount: 0,
|
||||
isCompleted: false
|
||||
}
|
||||
]
|
||||
const currentIndex = 0
|
||||
|
||||
// 執行跳過操作
|
||||
const result = handleSkip(initialCards, currentIndex)
|
||||
|
||||
// 驗證結果
|
||||
expect(result.updatedCards[0].skipCount).toBe(1)
|
||||
expect(result.updatedCards[0].wrongCount).toBe(0) // 不影響答錯次數
|
||||
expect(result.nextIndex).toBe(1) // 移動到下一題
|
||||
expect(result.updatedCards[0].isCompleted).toBe(false) // 未完成狀態
|
||||
})
|
||||
|
||||
test('同一題目可以多次跳過，次數累加', () => {
|
||||
const cards = [
|
||||
{ id: '1', word: 'test', skipCount: 2, wrongCount: 1, isCompleted: false }
|
||||
]
|
||||
|
||||
const result = handleSkip(cards, 0)
|
||||
|
||||
expect(result.updatedCards[0].skipCount).toBe(3) // 從2增加到3
|
||||
expect(result.updatedCards[0].wrongCount).toBe(1) // 保持不變
|
||||
})
|
||||
})
|
||||
```
|
||||
|
||||
### **測試2: 排序優先級邏輯**
|
||||
```typescript
|
||||
describe('延遲計數系統 - 排序邏輯', () => {
|
||||
test('題目排序應該是被跳過次數越少越前面', () => {
|
||||
// 準備不同延遲分數的卡片
|
||||
const cards = [
|
||||
{ id: '1', word: 'card1', skipCount: 3, wrongCount: 1, originalOrder: 1, isCompleted: false }, // 延遲分數: 4
|
||||
{ id: '2', word: 'card2', skipCount: 1, wrongCount: 0, originalOrder: 2, isCompleted: false }, // 延遲分數: 1
|
||||
{ id: '3', word: 'card3', skipCount: 0, wrongCount: 0, originalOrder: 3, isCompleted: false }, // 延遲分數: 0
|
||||
{ id: '4', word: 'card4', skipCount: 2, wrongCount: 0, originalOrder: 4, isCompleted: false } // 延遲分數: 2
|
||||
]
|
||||
|
||||
// 執行排序
|
||||
const sorted = sortCardsByPriority(cards)
|
||||
|
||||
// 驗證排序結果 (延遲分數由小到大)
|
||||
expect(sorted[0].id).toBe('3') // 延遲分數 0
|
||||
expect(sorted[1].id).toBe('2') // 延遲分數 1
|
||||
expect(sorted[2].id).toBe('4') // 延遲分數 2
|
||||
expect(sorted[3].id).toBe('1') // 延遲分數 4
|
||||
})
|
||||
|
||||
test('延遲分數相同時按原始順序排列', () => {
|
||||
const cards = [
|
||||
{ id: '1', skipCount: 1, wrongCount: 0, originalOrder: 3, isCompleted: false }, // 延遲分數: 1
|
||||
{ id: '2', skipCount: 0, wrongCount: 1, originalOrder: 1, isCompleted: false }, // 延遲分數: 1
|
||||
{ id: '3', skipCount: 1, wrongCount: 0, originalOrder: 2, isCompleted: false } // 延遲分數: 1
|
||||
]
|
||||
|
||||
const sorted = sortCardsByPriority(cards)
|
||||
|
||||
// 相同延遲分數按originalOrder排序
|
||||
expect(sorted[0].originalOrder).toBe(1)
|
||||
expect(sorted[1].originalOrder).toBe(2)
|
||||
expect(sorted[2].originalOrder).toBe(3)
|
||||
})
|
||||
})
|
||||
```
|
||||
|
||||
### **測試3: 答錯效果等同跳過**
|
||||
```typescript
|
||||
describe('延遲計數系統 - 答錯處理', () => {
|
||||
test('答錯的效果和跳過一樣都會被註記一次', () => {
|
||||
const initialCard = {
|
||||
id: '1',
|
||||
word: 'test',
|
||||
skipCount: 0,
|
||||
wrongCount: 0,
|
||||
isCompleted: false
|
||||
}
|
||||
|
||||
// 測試跳過效果
|
||||
const skippedResult = handleSkip([initialCard], 0)
|
||||
const skippedScore = skippedResult.updatedCards[0].skipCount + skippedResult.updatedCards[0].wrongCount
|
||||
|
||||
// 測試答錯效果
|
||||
const wrongResult = handleWrongAnswer([initialCard], 0)
|
||||
const wrongScore = wrongResult.updatedCards[0].skipCount + wrongResult.updatedCards[0].wrongCount
|
||||
|
||||
// 兩者都應該增加1分延遲分數
|
||||
expect(skippedScore).toBe(1)
|
||||
expect(wrongScore).toBe(1)
|
||||
})
|
||||
|
||||
test('信心度1-2算答錯，3算答對', () => {
|
||||
const card = { id: '1', word: 'test', skipCount: 0, wrongCount: 0, isCompleted: false }
|
||||
|
||||
// 信心度1 (模糊) → 答錯
|
||||
const result1 = handleConfidenceAnswer([card], 0, 1)
|
||||
expect(result1.updatedCards[0].wrongCount).toBe(1)
|
||||
expect(result1.updatedCards[0].isCompleted).toBe(false)
|
||||
|
||||
// 信心度2 (一般) → 答對
|
||||
const result2 = handleConfidenceAnswer([card], 0, 2)
|
||||
expect(result2.updatedCards[0].isCompleted).toBe(true)
|
||||
expect(result2.updatedCards[0].wrongCount).toBe(0) // 不增加
|
||||
|
||||
// 信心度3 (熟悉) → 答對
|
||||
const result3 = handleConfidenceAnswer([card], 0, 3)
|
||||
expect(result3.updatedCards[0].isCompleted).toBe(true)
|
||||
})
|
||||
})
|
||||
```
|
||||
|
||||
### **測試4: 排序不排除邏輯**
|
||||
```typescript
|
||||
describe('延遲計數系統 - 不排除原則', () => {
|
||||
test('被跳過只是排序問題，不是直接排除', () => {
|
||||
const cards = [
|
||||
{ id: '1', word: 'high-delay', skipCount: 10, wrongCount: 5, isCompleted: false }, // 高延遲
|
||||
{ id: '2', word: 'normal', skipCount: 0, wrongCount: 0, isCompleted: false }, // 正常
|
||||
{ id: '3', word: 'completed', skipCount: 2, wrongCount: 1, isCompleted: true } // 已完成
|
||||
]
|
||||
|
||||
const sorted = sortCardsByPriority(cards)
|
||||
|
||||
// 驗證沒有卡片被排除
|
||||
expect(sorted).toHaveLength(3)
|
||||
expect(sorted.find(c => c.id === '1')).toBeDefined() // 高延遲卡片仍存在
|
||||
|
||||
// 驗證排序正確
|
||||
expect(sorted[0].id).toBe('2') // 正常卡片優先
|
||||
expect(sorted[1].id).toBe('1') // 延遲卡片其次
|
||||
expect(sorted[2].id).toBe('3') // 已完成卡片最後
|
||||
})
|
||||
|
||||
test('即使跳過很多次的卡片仍會被練習', () => {
|
||||
const cards = [
|
||||
{ id: '1', word: 'difficult', skipCount: 20, wrongCount: 15, isCompleted: false }
|
||||
]
|
||||
|
||||
const sorted = sortCardsByPriority(cards)
|
||||
|
||||
expect(sorted).toHaveLength(1)
|
||||
expect(sorted[0].id).toBe('1') // 即使延遲分數很高，仍然存在
|
||||
})
|
||||
})
|
||||
```
|
||||
|
||||
### **測試5: 完整流程集成**
|
||||
```typescript
|
||||
describe('延遲計數系統 - 完整流程', () => {
|
||||
test('完整的學習會話流程', () => {
|
||||
// 初始狀態: 3張卡片
|
||||
let cards = [
|
||||
{ id: '1', word: 'easy', skipCount: 0, wrongCount: 0, originalOrder: 1, isCompleted: false },
|
||||
{ id: '2', word: 'medium', skipCount: 0, wrongCount: 0, originalOrder: 2, isCompleted: false },
|
||||
{ id: '3', word: 'hard', skipCount: 0, wrongCount: 0, originalOrder: 3, isCompleted: false }
|
||||
]
|
||||
|
||||
// 第1輪: easy答對, medium跳過, hard答錯
|
||||
cards = handleConfidenceAnswer(cards, 0, 3).updatedCards // easy完成
|
||||
cards = handleSkip(cards, 1).updatedCards // medium跳過+1
|
||||
cards = handleWrongAnswer(cards, 2).updatedCards // hard答錯+1
|
||||
|
||||
// 排序後應該是: medium, hard (延遲分數都是1，按原順序)
|
||||
const sorted1 = sortCardsByPriority(cards.filter(c => !c.isCompleted))
|
||||
expect(sorted1[0].word).toBe('medium')
|
||||
expect(sorted1[1].word).toBe('hard')
|
||||
|
||||
// 第2輪: medium再次跳過, hard答對完成
|
||||
cards = handleSkip(cards, 1).updatedCards // medium跳過+1 (總共2次)
|
||||
cards = handleConfidenceAnswer(cards, 2, 2).updatedCards // hard完成
|
||||
|
||||
// 最終只剩medium未完成，延遲分數為2
|
||||
const remaining = cards.filter(c => !c.isCompleted)
|
||||
expect(remaining).toHaveLength(1)
|
||||
expect(remaining[0].word).toBe('medium')
|
||||
expect(remaining[0].skipCount).toBe(2)
|
||||
})
|
||||
})
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## 🎯 **測試實作函數**
|
||||
|
||||
### **需要實作的核心函數**
|
||||
```typescript
|
||||
// 這些是測試中使用的函數，需要在實際代碼中實作
|
||||
|
||||
interface TestResult {
|
||||
updatedCards: CardState[]
|
||||
nextIndex: number
|
||||
}
|
||||
|
||||
// 跳過處理函數
|
||||
function handleSkip(cards: CardState[], currentIndex: number): TestResult
|
||||
|
||||
// 答錯處理函數
|
||||
function handleWrongAnswer(cards: CardState[], currentIndex: number): TestResult
|
||||
|
||||
// 信心度答題函數
|
||||
function handleConfidenceAnswer(cards: CardState[], currentIndex: number, confidence: 1|2|3): TestResult
|
||||
|
||||
// 排序函數
|
||||
function sortCardsByPriority(cards: CardState[]): CardState[]
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## 📊 **測試覆蓋範圍**
|
||||
|
||||
### **功能覆蓋**
|
||||
- ✅ 跳過次數計數
|
||||
- ✅ 答錯次數計數
|
||||
- ✅ 優先級排序邏輯
|
||||
- ✅ 完成狀態管理
|
||||
- ✅ 多次操作累計效果
|
||||
|
||||
### **邊界條件測試**
|
||||
- ✅ 極高延遲分數的卡片
|
||||
- ✅ 相同延遲分數的排序
|
||||
- ✅ 全部完成的情況
|
||||
- ✅ 單卡片情況
|
||||
|
||||
### **集成測試**
|
||||
- ✅ 完整學習會話流程
|
||||
- ✅ 多輪練習的狀態變化
|
||||
- ✅ 不同信心度的處理
|
||||
|
||||
---
|
||||
|
||||
## 🚀 **TDD開發流程**
|
||||
|
||||
### **第1步: Red (測試失敗)**
|
||||
```bash
|
||||
npm test delay-counting-system.test.ts
|
||||
# 所有測試應該失敗，因為函數還沒實作
|
||||
```
|
||||
|
||||
### **第2步: Green (最小實作)**
|
||||
```typescript
|
||||
// 實作最簡單的版本讓測試通過
|
||||
const handleSkip = (cards, index) => {
|
||||
const newCards = [...cards]
|
||||
newCards[index] = { ...newCards[index], skipCount: newCards[index].skipCount + 1 }
|
||||
return { updatedCards: newCards, nextIndex: index + 1 }
|
||||
}
|
||||
```
|
||||
|
||||
### **第3步: Refactor (重構優化)**
|
||||
```typescript
|
||||
// 重構為更優雅的版本，保持測試通過
|
||||
const handleSkip = useCallback((cards: CardState[], currentIndex: number) => {
|
||||
const updatedCards = cards.map((card, index) =>
|
||||
index === currentIndex
|
||||
? { ...card, skipCount: card.skipCount + 1 }
|
||||
: card
|
||||
)
|
||||
|
||||
return {
|
||||
updatedCards,
|
||||
nextIndex: getNextIndex(updatedCards, currentIndex)
|
||||
}
|
||||
}, [])
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## 🎯 **測試的業務價值**
|
||||
|
||||
### **確保需求實現**
|
||||
- ✅ 您的4個核心需求都有對應測試
|
||||
- ✅ 邊界情況都有覆蓋
|
||||
- ✅ 集成場景完整測試
|
||||
|
||||
### **回歸保護**
|
||||
- ✅ 未來修改不會破壞核心邏輯
|
||||
- ✅ 重構時有安全保障
|
||||
- ✅ 新功能不會影響現有行為
|
||||
|
||||
### **需求文檔化**
|
||||
- ✅ 測試即是可執行的需求規格
|
||||
- ✅ 開發者可以直接理解期望行為
|
||||
- ✅ 產品經理可以驗證實作正確性
|
||||
|
||||
---
|
||||
|
||||
## 📋 **測試執行清單**
|
||||
|
||||
### **開發前**
|
||||
- [ ] 所有測試都失敗 (因為還沒實作)
|
||||
- [ ] 測試準確描述了您的需求
|
||||
|
||||
### **開發中**
|
||||
- [ ] 逐個實作函數讓測試通過
|
||||
- [ ] 保持測試綠燈狀態
|
||||
- [ ] 重構時確保測試不破壞
|
||||
|
||||
### **完成後**
|
||||
- [ ] 所有測試通過
|
||||
- [ ] 覆蓋率達到90%+
|
||||
- [ ] 邊界條件都正確處理
|
||||
|
||||
---
|
||||
|
||||
**這些測試完美地捕捉了您的延遲計數需求，可以指導TDD開發，確保實作完全符合您的預期！** 🎯
|
||||
|
||||
*測試規格制定: 2025-10-03*
|
||||
*基於用戶明確需求*
|
||||
*TDD開發就緒*
|
||||
|
|
@ -0,0 +1,657 @@
|
|||
# 複習系統後端規格書
|
||||
|
||||
**版本**: 1.0
|
||||
**對應**: 前端規格.md + 技術實作規格.md
|
||||
**技術棧**: .NET 8 + Entity Framework + SQLite
|
||||
**架構**: RESTful API + Clean Architecture
|
||||
**最後更新**: 2025-10-03
|
||||
|
||||
---
|
||||
|
||||
## 🏗️ **API端點設計**
|
||||
|
||||
### **階段1: 純靜態 (當前MVP)**
|
||||
```
|
||||
前端: 使用 api_seeds.json 靜態數據
|
||||
後端: 完全不需要開發
|
||||
狀態: 前端React useState管理所有邏輯
|
||||
目的: 驗證用戶體驗和延遲計數系統
|
||||
```
|
||||
|
||||
### **階段2: 基礎持久化 (用戶要求時)**
|
||||
```
|
||||
前端: 同階段1，但添加localStorage持久化
|
||||
後端: 仍然不需要開發
|
||||
新增: 本地進度保存和恢復
|
||||
觸發: 用戶反饋希望保存進度
|
||||
```
|
||||
|
||||
### **階段3: API集成 (遠期需求)**
|
||||
|
||||
**獲取複習卡片**:
|
||||
```http
|
||||
GET /api/flashcards/due
|
||||
Query Parameters:
|
||||
- limit: number (default: 10)
|
||||
- userId: string (from auth)
|
||||
|
||||
Response:
|
||||
{
|
||||
"success": true,
|
||||
"data": {
|
||||
"flashcards": [
|
||||
{
|
||||
"id": "uuid",
|
||||
"word": "evidence",
|
||||
"definition": "facts indicating truth",
|
||||
"partOfSpeech": "noun",
|
||||
"pronunciation": "/ˈevɪdəns/",
|
||||
"example": "There was evidence of...",
|
||||
"exampleTranslation": "有...的證據",
|
||||
"cefr": "B2",
|
||||
"difficultyLevelNumeric": 4,
|
||||
"isFavorite": true,
|
||||
"hasExampleImage": false,
|
||||
"primaryImageUrl": null,
|
||||
"createdAt": "2025-10-01T12:48:11Z",
|
||||
"updatedAt": "2025-10-01T13:37:22Z"
|
||||
}
|
||||
],
|
||||
"count": 4
|
||||
},
|
||||
"message": null,
|
||||
"timestamp": "2025-10-03T18:57:25Z"
|
||||
}
|
||||
```
|
||||
|
||||
**記錄複習結果**:
|
||||
```http
|
||||
POST /api/flashcards/{flashcardId}/review
|
||||
Headers:
|
||||
- Authorization: Bearer {token}
|
||||
- Content-Type: application/json
|
||||
|
||||
Request Body:
|
||||
{
|
||||
"confidence": 2, // 1=模糊, 2=一般, 3=熟悉
|
||||
"isCorrect": true, // 基於 confidence >= 2 判斷
|
||||
"reviewType": "flip-memory",
|
||||
"responseTimeMs": 3500, // 回應時間
|
||||
"wasSkipped": false, // 是否是跳過的題目
|
||||
"skipCount": 0, // 該卡片的跳過次數 (前端統計)
|
||||
"wrongCount": 1 // 該卡片的答錯次數 (前端統計)
|
||||
}
|
||||
|
||||
Response:
|
||||
{
|
||||
"success": true,
|
||||
"data": {
|
||||
"flashcardId": "uuid",
|
||||
"newSuccessCount": 3,
|
||||
"nextReviewDate": "2025-10-08T12:00:00Z",
|
||||
"masteryLevelChange": 0.1
|
||||
},
|
||||
"timestamp": "2025-10-03T19:00:00Z"
|
||||
}
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## ⏰ **核心算法: 間隔重複系統**
|
||||
|
||||
### **複習時間計算公式** (您的需求)
|
||||
```csharp
|
||||
// 基礎公式: 下一次複習時間 = 2^成功複習次數
|
||||
public DateTime CalculateNextReviewDate(int successCount)
|
||||
{
|
||||
// 計算間隔天數
|
||||
var intervalDays = Math.Pow(2, successCount);
|
||||
|
||||
// 設定最大間隔限制 (避免間隔過長)
|
||||
var maxIntervalDays = 180; // 最多半年
|
||||
var finalInterval = Math.Min(intervalDays, maxIntervalDays);
|
||||
|
||||
return DateTime.UtcNow.AddDays(finalInterval);
|
||||
}
|
||||
```
|
||||
|
||||
### **具體計算範例**
|
||||
```csharp
|
||||
// 學習進度示例
|
||||
成功次數 0: 下次複習 = 今天 + 2^0 = 明天 (1天後)
|
||||
成功次數 1: 下次複習 = 今天 + 2^1 = 後天 (2天後)
|
||||
成功次數 2: 下次複習 = 今天 + 2^2 = 4天後
|
||||
成功次數 3: 下次複習 = 今天 + 2^3 = 8天後
|
||||
成功次數 4: 下次複習 = 今天 + 2^4 = 16天後
|
||||
成功次數 5: 下次複習 = 今天 + 2^5 = 32天後
|
||||
成功次數 6: 下次複習 = 今天 + 2^6 = 64天後
|
||||
成功次數 7: 下次複習 = 今天 + 2^7 = 128天後
|
||||
成功次數 8+: 下次複習 = 今天 + 180天 (上限)
|
||||
```
|
||||
|
||||
### **成功計數更新邏輯**
|
||||
```csharp
|
||||
public async Task<ReviewResult> ProcessReviewAttemptAsync(string flashcardId, ReviewAttemptRequest request)
|
||||
{
|
||||
var stats = await GetFlashcardStatsAsync(flashcardId, request.UserId);
|
||||
|
||||
if (request.IsCorrect)
|
||||
{
|
||||
// 答對: 增加成功次數，計算新的複習時間
|
||||
stats.SuccessCount++;
|
||||
stats.NextReviewDate = CalculateNextReviewDate(stats.SuccessCount);
|
||||
stats.LastSuccessDate = DateTime.UtcNow;
|
||||
}
|
||||
else
|
||||
{
|
||||
// 答錯或跳過: 重置成功次數，明天再複習
|
||||
stats.SuccessCount = 0;
|
||||
stats.NextReviewDate = DateTime.UtcNow.AddDays(1);
|
||||
}
|
||||
|
||||
// 記錄延遲統計 (配合前端延遲計數)
|
||||
if (request.WasSkipped)
|
||||
{
|
||||
stats.TotalSkipCount += 1;
|
||||
}
|
||||
|
||||
if (!request.IsCorrect && !request.WasSkipped)
|
||||
{
|
||||
stats.TotalWrongCount += 1;
|
||||
}
|
||||
|
||||
await SaveStatsAsync(stats);
|
||||
|
||||
return new ReviewResult
|
||||
{
|
||||
FlashcardId = flashcardId,
|
||||
NewSuccessCount = stats.SuccessCount,
|
||||
NextReviewDate = stats.NextReviewDate,
|
||||
IntervalDays = CalculateIntervalDays(stats.SuccessCount)
|
||||
};
|
||||
}
|
||||
```
|
||||
|
||||
### **與前端延遲計數的配合**
|
||||
```csharp
|
||||
// 前端延遲計數系統的後端記錄
|
||||
public class FlashcardSessionState
|
||||
{
|
||||
public string FlashcardId { get; set; }
|
||||
public int SessionSkipCount { get; set; } // 本次會話跳過次數
|
||||
public int SessionWrongCount { get; set; } // 本次會話答錯次數
|
||||
public DateTime LastAttemptTime { get; set; }
|
||||
}
|
||||
|
||||
// 處理會話中的延遲行為
|
||||
public void RecordSessionDelay(string flashcardId, bool wasSkipped, bool wasWrong)
|
||||
{
|
||||
var sessionState = GetOrCreateSessionState(flashcardId);
|
||||
|
||||
if (wasSkipped) sessionState.SessionSkipCount++;
|
||||
if (wasWrong) sessionState.SessionWrongCount++;
|
||||
|
||||
sessionState.LastAttemptTime = DateTime.UtcNow;
|
||||
}
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## 🗃️ **數據庫設計**
|
||||
|
||||
### **現有表格** (已存在)
|
||||
```sql
|
||||
-- Flashcards 表 (主要詞卡信息)
|
||||
CREATE TABLE Flashcards (
|
||||
Id UNIQUEIDENTIFIER PRIMARY KEY,
|
||||
Word NVARCHAR(100) NOT NULL,
|
||||
Definition NVARCHAR(500),
|
||||
PartOfSpeech NVARCHAR(50),
|
||||
Pronunciation NVARCHAR(100),
|
||||
Example NVARCHAR(500),
|
||||
ExampleTranslation NVARCHAR(500),
|
||||
Cefr NVARCHAR(10),
|
||||
DifficultyLevelNumeric INT,
|
||||
IsFavorite BIT DEFAULT 0,
|
||||
CreatedAt DATETIME2,
|
||||
UpdatedAt DATETIME2
|
||||
)
|
||||
```
|
||||
|
||||
### **極簡數據庫設計** (階段3需要時)
|
||||
```sql
|
||||
-- 只需要一個簡單的複習記錄表
|
||||
CREATE TABLE FlashcardReviews (
|
||||
Id UNIQUEIDENTIFIER PRIMARY KEY,
|
||||
FlashcardId UNIQUEIDENTIFIER NOT NULL,
|
||||
UserId UNIQUEIDENTIFIER NOT NULL,
|
||||
|
||||
-- 核心欄位 (您的算法需要)
|
||||
SuccessCount INT DEFAULT 0, -- 連續成功次數 (用於2^n計算)
|
||||
NextReviewDate DATETIME2, -- 下次複習時間
|
||||
LastReviewDate DATETIME2, -- 最後複習時間
|
||||
|
||||
-- 創建和更新時間
|
||||
CreatedAt DATETIME2 DEFAULT GETUTCDATE(),
|
||||
UpdatedAt DATETIME2 DEFAULT GETUTCDATE(),
|
||||
|
||||
FOREIGN KEY (FlashcardId) REFERENCES Flashcards(Id),
|
||||
UNIQUE(FlashcardId, UserId)
|
||||
)
|
||||
|
||||
-- 就這樣！不需要複雜的Sessions和Attempts表
|
||||
-- 前端延遲計數在前端處理，不需要後端記錄
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## 🎯 **業務邏輯服務**
|
||||
|
||||
### **極簡ReviewService**
|
||||
```csharp
|
||||
// 簡化的介面 (只保留核心功能)
|
||||
public interface IReviewService
|
||||
{
|
||||
Task<ApiResponse<FlashcardDto[]>> GetDueFlashcardsAsync(string userId, int limit = 10);
|
||||
Task<ApiResponse<ReviewResult>> UpdateReviewStatusAsync(string flashcardId, bool isCorrect, string userId);
|
||||
}
|
||||
|
||||
// 極簡實作 (專注核心邏輯)
|
||||
public class ReviewService : IReviewService
|
||||
{
|
||||
public async Task<ApiResponse<ReviewResult>> UpdateReviewStatusAsync(
|
||||
string flashcardId,
|
||||
bool isCorrect,
|
||||
string userId)
|
||||
{
|
||||
// 1. 獲取或創建複習記錄
|
||||
var review = await GetOrCreateReviewAsync(flashcardId, userId);
|
||||
|
||||
// 2. 更新成功次數 (您的核心算法)
|
||||
if (isCorrect)
|
||||
{
|
||||
review.SuccessCount++;
|
||||
}
|
||||
else
|
||||
{
|
||||
review.SuccessCount = 0; // 重置
|
||||
}
|
||||
|
||||
// 3. 計算下次複習時間 (您的公式)
|
||||
if (isCorrect)
|
||||
{
|
||||
var intervalDays = Math.Pow(2, review.SuccessCount);
|
||||
review.NextReviewDate = DateTime.UtcNow.AddDays(intervalDays);
|
||||
}
|
||||
else
|
||||
{
|
||||
review.NextReviewDate = DateTime.UtcNow.AddDays(1); // 明天再試
|
||||
}
|
||||
|
||||
review.LastReviewDate = DateTime.UtcNow;
|
||||
review.UpdatedAt = DateTime.UtcNow;
|
||||
|
||||
await _context.SaveChangesAsync();
|
||||
|
||||
return new ApiResponse<ReviewResult>
|
||||
{
|
||||
Success = true,
|
||||
Data = new ReviewResult
|
||||
{
|
||||
FlashcardId = flashcardId,
|
||||
SuccessCount = review.SuccessCount,
|
||||
NextReviewDate = review.NextReviewDate,
|
||||
IntervalDays = (int)Math.Pow(2, review.SuccessCount)
|
||||
}
|
||||
};
|
||||
}
|
||||
|
||||
// 獲取到期詞卡 (簡化邏輯)
|
||||
public async Task<ApiResponse<FlashcardDto[]>> GetDueFlashcardsAsync(string userId, int limit = 10)
|
||||
{
|
||||
var dueCards = await _context.Flashcards
|
||||
.Where(f => f.UserId == userId)
|
||||
.LeftJoin(_context.FlashcardReviews,
|
||||
f => f.Id,
|
||||
r => r.FlashcardId,
|
||||
(flashcard, review) => new { flashcard, review })
|
||||
.Where(x => x.review == null || x.review.NextReviewDate <= DateTime.UtcNow)
|
||||
.Select(x => x.flashcard)
|
||||
.Take(limit)
|
||||
.ToArrayAsync();
|
||||
|
||||
return new ApiResponse<FlashcardDto[]>
|
||||
{
|
||||
Success = true,
|
||||
Data = dueCards.Select(MapToDto).ToArray()
|
||||
};
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## 📊 **階段性實作計劃**
|
||||
|
||||
### **階段1: 純前端 (當前)**
|
||||
```
|
||||
實作範圍: 無後端開發
|
||||
前端邏輯: 延遲計數系統、排序邏輯都在React中
|
||||
數據來源: api_seeds.json 靜態文件
|
||||
```
|
||||
|
||||
### **階段2: 本地持久化**
|
||||
```
|
||||
實作範圍: 仍無後端開發
|
||||
前端增強: localStorage 保存學習進度
|
||||
觸發條件: 用戶要求保存進度
|
||||
```
|
||||
|
||||
### **階段3: 基礎API**
|
||||
```
|
||||
實作範圍: 極簡後端API
|
||||
核心功能:
|
||||
- GET /api/flashcards/due (獲取到期詞卡)
|
||||
- POST /api/flashcards/{id}/review (更新複習狀態)
|
||||
- 簡單的NextReviewDate計算
|
||||
避免功能:
|
||||
- 詳細的統計分析
|
||||
- 複雜的會話管理
|
||||
- 用戶行為追蹤
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## 🔐 **安全性規格**
|
||||
|
||||
### **身份驗證和授權**
|
||||
```csharp
|
||||
// JWT Token 驗證
|
||||
[Authorize]
|
||||
[Route("api/flashcards")]
|
||||
public class FlashcardsController : ControllerBase
|
||||
{
|
||||
// 確保用戶只能存取自己的數據
|
||||
private async Task<bool> ValidateUserAccessAsync(string flashcardId)
|
||||
{
|
||||
var userId = User.GetUserId();
|
||||
return await _flashcardService.BelongsToUserAsync(flashcardId, userId);
|
||||
}
|
||||
}
|
||||
|
||||
// 資料驗證
|
||||
public class ReviewAttemptRequest
|
||||
{
|
||||
[Range(1, 3)]
|
||||
public int Confidence { get; set; }
|
||||
|
||||
[Range(0, 300000)] // 最多5分鐘
|
||||
public int ResponseTimeMs { get; set; }
|
||||
|
||||
[Range(0, int.MaxValue)]
|
||||
public int SkipCount { get; set; }
|
||||
|
||||
[Range(0, int.MaxValue)]
|
||||
public int WrongCount { get; set; }
|
||||
}
|
||||
```
|
||||
|
||||
### **資料保護**
|
||||
```csharp
|
||||
// 個人資料保護
|
||||
public class PrivacyService
|
||||
{
|
||||
// 匿名化統計數據
|
||||
public async Task<AnonymizedStats> GetAnonymizedStatsAsync()
|
||||
{
|
||||
// 移除個人識別信息的統計
|
||||
}
|
||||
|
||||
// 資料導出 (GDPR)
|
||||
public async Task<UserDataExport> ExportUserDataAsync(string userId)
|
||||
{
|
||||
return new UserDataExport
|
||||
{
|
||||
ReviewSessions = await GetUserReviewSessions(userId),
|
||||
Flashcards = await GetUserFlashcards(userId),
|
||||
LearningStats = await GetUserStats(userId)
|
||||
};
|
||||
}
|
||||
|
||||
// 資料刪除
|
||||
public async Task DeleteUserDataAsync(string userId)
|
||||
{
|
||||
// 完全刪除用戶所有學習數據
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## ⚡ **性能優化規格**
|
||||
|
||||
### **資料庫優化**
|
||||
```sql
|
||||
-- 重要索引
|
||||
CREATE INDEX IX_ReviewAttempts_FlashcardId_UserId
|
||||
ON ReviewAttempts (FlashcardId, UserId)
|
||||
|
||||
CREATE INDEX IX_FlashcardReviewStats_UserId_NextReviewDate
|
||||
ON FlashcardReviewStats (UserId, NextReviewDate)
|
||||
|
||||
CREATE INDEX IX_ReviewSessions_UserId_StartTime
|
||||
ON ReviewSessions (UserId, StartTime)
|
||||
```
|
||||
|
||||
### **API性能目標**
|
||||
```csharp
|
||||
// 性能指標
|
||||
public static class PerformanceTargets
|
||||
{
|
||||
public const int GetDueCardsMaxMs = 500; // 獲取卡片 < 500ms
|
||||
public const int RecordAttemptMaxMs = 200; // 記錄結果 < 200ms
|
||||
public const int DatabaseQueryMaxMs = 100; // 資料庫查詢 < 100ms
|
||||
}
|
||||
|
||||
// 快取策略
|
||||
[ResponseCache(Duration = 300)] // 5分鐘快取
|
||||
public async Task<ActionResult<ApiResponse<DueCardsResult>>> GetDueFlashcards()
|
||||
{
|
||||
// 實作快取邏輯
|
||||
}
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## 📊 **階段性實作計劃**
|
||||
|
||||
### **階段1: 靜態數據 (已完成)**
|
||||
```
|
||||
前端: 使用 api_seeds.json
|
||||
後端: 無需開發
|
||||
目的: 驗證前端邏輯
|
||||
```
|
||||
|
||||
### **階段2: 基礎API (階段3觸發時)**
|
||||
```
|
||||
實作範圍:
|
||||
✅ GET /api/flashcards/due (基礎版)
|
||||
✅ POST /api/flashcards/{id}/review (簡化版)
|
||||
✅ 基礎的錯誤處理
|
||||
|
||||
不實作:
|
||||
❌ 複雜的快取機制
|
||||
❌ 高級統計分析
|
||||
❌ 複雜的權限控制
|
||||
```
|
||||
|
||||
### **階段3: 完整API (遠期)**
|
||||
```
|
||||
實作範圍:
|
||||
✅ 完整的用戶權限驗證
|
||||
✅ 詳細的學習統計
|
||||
✅ 系統監控和分析
|
||||
✅ 性能優化和快取
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## 🔧 **開發環境設置**
|
||||
|
||||
### **API開發工具**
|
||||
```csharp
|
||||
// Swagger文檔配置
|
||||
services.AddSwaggerGen(c =>
|
||||
{
|
||||
c.SwaggerDoc("v1", new OpenApiInfo
|
||||
{
|
||||
Title = "DramaLing Review API",
|
||||
Version = "v1"
|
||||
});
|
||||
|
||||
// 加入JWT驗證
|
||||
c.AddSecurityDefinition("Bearer", new OpenApiSecurityScheme
|
||||
{
|
||||
In = ParameterLocation.Header,
|
||||
Description = "Please enter JWT token",
|
||||
Name = "Authorization",
|
||||
Type = SecuritySchemeType.Http,
|
||||
BearerFormat = "JWT",
|
||||
Scheme = "bearer"
|
||||
});
|
||||
});
|
||||
```
|
||||
|
||||
### **測試環境**
|
||||
```csharp
|
||||
// 測試資料庫
|
||||
public class TestDbContext : DbContext
|
||||
{
|
||||
protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
|
||||
{
|
||||
optionsBuilder.UseInMemoryDatabase("TestReviewDb");
|
||||
}
|
||||
}
|
||||
|
||||
// API測試
|
||||
[TestClass]
|
||||
public class ReviewApiTests
|
||||
{
|
||||
[TestMethod]
|
||||
public async Task GetDueCards_ShouldReturnUserCards()
|
||||
{
|
||||
// 準備測試數據
|
||||
// 調用API
|
||||
// 驗證結果
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## 📋 **部署和監控規格**
|
||||
|
||||
### **部署配置**
|
||||
```yaml
|
||||
# Docker配置
|
||||
services:
|
||||
review-api:
|
||||
image: dramaling/review-api:latest
|
||||
environment:
|
||||
- ConnectionStrings__DefaultConnection=${DB_CONNECTION}
|
||||
- JwtSettings__Secret=${JWT_SECRET}
|
||||
ports:
|
||||
- "5008:8080"
|
||||
depends_on:
|
||||
- database
|
||||
|
||||
database:
|
||||
image: postgres:15
|
||||
environment:
|
||||
- POSTGRES_DB=dramaling_review
|
||||
- POSTGRES_USER=${DB_USER}
|
||||
- POSTGRES_PASSWORD=${DB_PASSWORD}
|
||||
```
|
||||
|
||||
### **監控指標**
|
||||
```csharp
|
||||
// 健康檢查
|
||||
services.AddHealthChecks()
|
||||
.AddDbContextCheck<ApplicationDbContext>()
|
||||
.AddCheck<ApiHealthCheck>("api-health");
|
||||
|
||||
// 性能監控
|
||||
public class PerformanceMiddleware
|
||||
{
|
||||
public async Task InvokeAsync(HttpContext context, RequestDelegate next)
|
||||
{
|
||||
var stopwatch = Stopwatch.StartNew();
|
||||
await next(context);
|
||||
stopwatch.Stop();
|
||||
|
||||
// 記錄慢查詢
|
||||
if (stopwatch.ElapsedMilliseconds > 1000)
|
||||
{
|
||||
_logger.LogWarning($"Slow request: {context.Request.Path} took {stopwatch.ElapsedMilliseconds}ms");
|
||||
}
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## 🚨 **錯誤處理規格**
|
||||
|
||||
### **統一錯誤回應**
|
||||
```csharp
|
||||
public class ApiResponse<T>
|
||||
{
|
||||
public bool Success { get; set; }
|
||||
public T? Data { get; set; }
|
||||
public string? Message { get; set; }
|
||||
public string? Error { get; set; }
|
||||
public DateTime Timestamp { get; set; } = DateTime.UtcNow;
|
||||
}
|
||||
|
||||
// 錯誤類型
|
||||
public enum ErrorType
|
||||
{
|
||||
Validation, // 資料驗證錯誤
|
||||
NotFound, // 資源不存在
|
||||
Unauthorized, // 權限不足
|
||||
RateLimit, // 請求頻率限制
|
||||
ServerError // 服務器錯誤
|
||||
}
|
||||
```
|
||||
|
||||
### **錯誤處理中介軟體**
|
||||
```csharp
|
||||
public class ErrorHandlingMiddleware
|
||||
{
|
||||
public async Task InvokeAsync(HttpContext context, RequestDelegate next)
|
||||
{
|
||||
try
|
||||
{
|
||||
await next(context);
|
||||
}
|
||||
catch (ValidationException ex)
|
||||
{
|
||||
await HandleValidationErrorAsync(context, ex);
|
||||
}
|
||||
catch (UnauthorizedAccessException ex)
|
||||
{
|
||||
await HandleUnauthorizedErrorAsync(context, ex);
|
||||
}
|
||||
catch (Exception ex)
|
||||
{
|
||||
await HandleGenericErrorAsync(context, ex);
|
||||
}
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
*後端規格維護: 後端開發團隊*
|
||||
*實作觸發: 階段3 API集成需求確認時*
|
||||
*目標: 支持前端複習功能的後端服務*
|
||||
|
|
@ -34,25 +34,88 @@ nextReviewDate.setDate(nextReviewDate.getDate() + Math.pow(2, successCount))
|
|||
|
||||
## 🏷️ **卡片狀態管理機制**
|
||||
|
||||
### **延遲註記系統**
|
||||
### **延遲計數系統** (前端處理)
|
||||
|
||||
**新增延遲註記的情況**:
|
||||
1. 用戶點選 "跳過" → 卡片標記 `isDelayed: true`
|
||||
2. 用戶答錯題目 → 卡片標記 `isDelayed: true`
|
||||
|
||||
**延遲註記的影響**:
|
||||
**數據結構設計**:
|
||||
```typescript
|
||||
// 撈取下一個複習卡片時排除延遲卡片
|
||||
const nextCards = allCards.filter(card => !card.isDelayed)
|
||||
interface CardState {
|
||||
id: string
|
||||
// 原始卡片數據...
|
||||
|
||||
// 前端狀態計數器
|
||||
skipCount: number // 跳過次數
|
||||
wrongCount: number // 答錯次數
|
||||
successCount: number // 答對次數
|
||||
isCompleted: boolean // 是否已完成
|
||||
originalOrder: number // 原始順序
|
||||
}
|
||||
```
|
||||
|
||||
**消除延遲註記**:
|
||||
**增加延遲計數的情況**:
|
||||
1. **用戶點擊跳過** → `skipCount++`
|
||||
2. **用戶答錯題目** → `wrongCount++`
|
||||
3. **效果相同** → 都會降低該卡片的優先級
|
||||
|
||||
**前端排序邏輯** (您的需求):
|
||||
```typescript
|
||||
// 用戶答對題目時
|
||||
if (isCorrect) {
|
||||
card.isDelayed = false
|
||||
card.successCount++
|
||||
card.nextReviewDate = calculateNextReviewDate(card.successCount)
|
||||
const sortCardsByPriority = (cards: CardState[]) => {
|
||||
return cards.sort((a, b) => {
|
||||
// 1. 已完成的卡片排到最後
|
||||
if (a.isCompleted && !b.isCompleted) return 1
|
||||
if (!a.isCompleted && b.isCompleted) return -1
|
||||
|
||||
// 2. 未完成卡片按延遲分數排序
|
||||
const aDelayScore = a.skipCount + a.wrongCount
|
||||
const bDelayScore = b.skipCount + b.wrongCount
|
||||
|
||||
// 延遲分數越低越前面 (被跳過次數少的優先)
|
||||
if (aDelayScore !== bDelayScore) {
|
||||
return aDelayScore - bDelayScore
|
||||
}
|
||||
|
||||
// 3. 延遲分數相同時按原始順序
|
||||
return a.originalOrder - b.originalOrder
|
||||
})
|
||||
}
|
||||
```
|
||||
|
||||
**狀態更新邏輯**:
|
||||
```typescript
|
||||
// 跳過處理
|
||||
const handleSkip = (cardIndex: number) => {
|
||||
setCards(prevCards =>
|
||||
prevCards.map((card, index) =>
|
||||
index === cardIndex
|
||||
? { ...card, skipCount: card.skipCount + 1 }
|
||||
: card
|
||||
)
|
||||
)
|
||||
// 重新排序並移到下一張
|
||||
proceedToNext()
|
||||
}
|
||||
|
||||
// 答錯處理
|
||||
const handleWrongAnswer = (cardIndex: number) => {
|
||||
setCards(prevCards =>
|
||||
prevCards.map((card, index) =>
|
||||
index === cardIndex
|
||||
? { ...card, wrongCount: card.wrongCount + 1 }
|
||||
: card
|
||||
)
|
||||
)
|
||||
proceedToNext()
|
||||
}
|
||||
|
||||
// 答對處理 (完成卡片)
|
||||
const handleCorrectAnswer = (cardIndex: number) => {
|
||||
setCards(prevCards =>
|
||||
prevCards.map((card, index) =>
|
||||
index === cardIndex
|
||||
? { ...card, isCompleted: true, successCount: card.successCount + 1 }
|
||||
: card
|
||||
)
|
||||
)
|
||||
proceedToNext()
|
||||
}
|
||||
```
|
||||
|
||||
|
|
@ -83,15 +146,20 @@ const [selectedConfidence, setSelectedConfidence] = useState<number | null>(null
|
|||
const [cardHeight, setCardHeight] = useState<number>(400)
|
||||
```
|
||||
|
||||
**信心度評分映射**:
|
||||
**信心度評分映射** (簡化為3選項):
|
||||
```typescript
|
||||
const confidenceToScore = {
|
||||
1: 0, // 完全不懂 → 答錯
|
||||
2: 0, // 模糊 → 答錯
|
||||
3: 1, // 一般 → 答對
|
||||
4: 1, // 熟悉 → 答對
|
||||
5: 1 // 非常熟悉 → 答對
|
||||
1: 0, // 模糊 → 答錯
|
||||
2: 1, // 一般 → 答對
|
||||
3: 1 // 熟悉 → 答對
|
||||
}
|
||||
|
||||
// 對應的UI配置
|
||||
const confidenceOptions = [
|
||||
{ level: 1, label: '模糊', color: 'bg-orange-100 text-orange-700 border-orange-200' },
|
||||
{ level: 2, label: '一般', color: 'bg-yellow-100 text-yellow-700 border-yellow-200' },
|
||||
{ level: 3, label: '熟悉', color: 'bg-green-100 text-green-700 border-green-200' }
|
||||
]
|
||||
```
|
||||
|
||||
### **階段2: 詞彙選擇題 (已設計完成)**
|
||||
|
|
|
|||
Loading…
Reference in New Issue