-feat 修复部分bug
This commit is contained in:
381
internal/service/health_score_service.go
Normal file
381
internal/service/health_score_service.go
Normal file
@@ -0,0 +1,381 @@
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package service
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import (
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"time"
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"accounting-app/internal/models"
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"accounting-app/internal/repository"
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)
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// HealthScoreService handles financial health score calculation
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type HealthScoreService struct {
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reportRepo *repository.ReportRepository
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accountRepo *repository.AccountRepository
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budgetRepo *repository.BudgetRepository
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}
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// NewHealthScoreService creates a new HealthScoreService instance
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func NewHealthScoreService(
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reportRepo *repository.ReportRepository,
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accountRepo *repository.AccountRepository,
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budgetRepo *repository.BudgetRepository,
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) *HealthScoreService {
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return &HealthScoreService{
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reportRepo: reportRepo,
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accountRepo: accountRepo,
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budgetRepo: budgetRepo,
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}
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}
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// HealthScoreFactor represents a factor contributing to the health score
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type HealthScoreFactor struct {
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Name string `json:"name"`
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Score float64 `json:"score"` // 0-100
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Weight float64 `json:"weight"` // 0-1
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Tip string `json:"tip"` // 改进建议
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Description string `json:"description"` // 因素描述
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}
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// HealthScoreResult represents the overall health score result
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type HealthScoreResult struct {
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Score int `json:"score"` // 0-100
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Level string `json:"level"` // 优秀/良好/一般/需改善
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Description string `json:"description"` // 总体描述
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Factors []HealthScoreFactor `json:"factors"`
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}
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// CalculateHealthScore calculates the financial health score for a user
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func (s *HealthScoreService) CalculateHealthScore(userID uint) (*HealthScoreResult, error) {
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now := time.Now()
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monthStart := time.Date(now.Year(), now.Month(), 1, 0, 0, 0, 0, now.Location())
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threeMonthsAgo := monthStart.AddDate(0, -3, 0)
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factors := []HealthScoreFactor{}
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totalWeight := 0.0
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weightedSum := 0.0
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// Factor 1: 储蓄率 (Savings Rate) - 权重 30%
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savingsScore, savingsTip := s.calculateSavingsRate(userID, threeMonthsAgo, now)
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savingsFactor := HealthScoreFactor{
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Name: "储蓄率",
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Score: savingsScore,
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Weight: 0.30,
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Tip: savingsTip,
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Description: "收入中储蓄的比例",
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}
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factors = append(factors, savingsFactor)
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weightedSum += savingsScore * 0.30
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totalWeight += 0.30
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// Factor 2: 负债率 (Debt Ratio) - 权重 25%
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debtScore, debtTip := s.calculateDebtRatio(userID)
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debtFactor := HealthScoreFactor{
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Name: "负债率",
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Score: debtScore,
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Weight: 0.25,
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Tip: debtTip,
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Description: "负债占总资产的比例",
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}
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factors = append(factors, debtFactor)
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weightedSum += debtScore * 0.25
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totalWeight += 0.25
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// Factor 3: 预算执行率 (Budget Compliance) - 权重 20%
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budgetScore, budgetTip := s.calculateBudgetCompliance(userID)
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budgetFactor := HealthScoreFactor{
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Name: "预算执行",
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Score: budgetScore,
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Weight: 0.20,
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Tip: budgetTip,
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Description: "预算控制情况",
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}
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factors = append(factors, budgetFactor)
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weightedSum += budgetScore * 0.20
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totalWeight += 0.20
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// Factor 4: 消费稳定性 (Spending Stability) - 权重 15%
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stabilityScore, stabilityTip := s.calculateSpendingStability(userID, threeMonthsAgo, now)
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stabilityFactor := HealthScoreFactor{
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Name: "消费稳定",
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Score: stabilityScore,
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Weight: 0.15,
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Tip: stabilityTip,
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Description: "月度支出波动情况",
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}
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factors = append(factors, stabilityFactor)
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weightedSum += stabilityScore * 0.15
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totalWeight += 0.15
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// Factor 5: 资产多样性 (Asset Diversity) - 权重 10%
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diversityScore, diversityTip := s.calculateAssetDiversity(userID)
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diversityFactor := HealthScoreFactor{
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Name: "资产配置",
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Score: diversityScore,
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Weight: 0.10,
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Tip: diversityTip,
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Description: "资产分散程度",
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}
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factors = append(factors, diversityFactor)
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weightedSum += diversityScore * 0.10
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totalWeight += 0.10
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// Calculate final score
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finalScore := int(weightedSum / totalWeight)
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if finalScore > 100 {
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finalScore = 100
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}
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if finalScore < 0 {
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finalScore = 0
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}
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// Determine level and description
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level, description := getHealthScoreLevel(finalScore)
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return &HealthScoreResult{
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Score: finalScore,
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Level: level,
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Description: description,
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Factors: factors,
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}, nil
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}
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// calculateSavingsRate calculates the savings rate factor
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func (s *HealthScoreService) calculateSavingsRate(userID uint, startDate, endDate time.Time) (float64, string) {
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// Get income and expense totals using existing repository method
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summaries, err := s.reportRepo.GetTransactionSummaryByCurrency(userID, startDate, endDate)
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if err != nil || len(summaries) == 0 {
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return 50.0, "无法获取收支数据"
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}
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var totalIncome, totalExpense float64
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for _, cs := range summaries {
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totalIncome += cs.TotalIncome
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totalExpense += cs.TotalExpense
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}
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if totalIncome <= 0 {
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return 30.0, "暂无收入记录，建议开始记录收入"
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}
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savingsRate := (totalIncome - totalExpense) / totalIncome * 100
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var score float64
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var tip string
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switch {
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case savingsRate >= 30:
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score = 100
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tip = "储蓄率非常优秀，继续保持！"
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case savingsRate >= 20:
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score = 85
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tip = "储蓄率良好，可以考虑增加投资"
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case savingsRate >= 10:
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score = 70
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tip = "储蓄率一般，建议适当控制支出"
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case savingsRate >= 0:
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score = 50
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tip = "储蓄率偏低，需要减少非必要支出"
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default:
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score = 20
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tip = "入不敷出，请尽快调整消费习惯"
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}
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return score, tip
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}
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// calculateDebtRatio calculates the debt ratio factor
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func (s *HealthScoreService) calculateDebtRatio(userID uint) (float64, string) {
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// Use GetTotalBalance which returns assets and liabilities
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totalAssets, totalLiabilities, err := s.accountRepo.GetTotalBalance(userID)
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if err != nil {
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return 50.0, "无法获取账户数据"
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}
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if totalAssets <= 0 && totalLiabilities <= 0 {
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return 70.0, "暂无资产负债记录"
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}
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// Debt ratio = Liabilities / (Assets + Liabilities)
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total := totalAssets + totalLiabilities
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if total <= 0 {
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return 30.0, "净资产为负，需要关注财务状况"
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}
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debtRatio := totalLiabilities / total * 100
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var score float64
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var tip string
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switch {
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case debtRatio <= 10:
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score = 100
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tip = "负债率极低，财务非常健康"
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case debtRatio <= 30:
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score = 85
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tip = "负债率健康，保持良好习惯"
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case debtRatio <= 50:
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score = 65
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tip = "负债率中等，建议适度控制"
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case debtRatio <= 70:
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score = 40
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tip = "负债率偏高，需要制定还款计划"
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default:
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score = 20
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tip = "负债率过高，请优先处理债务"
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}
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return score, tip
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}
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// calculateBudgetCompliance calculates budget compliance factor
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func (s *HealthScoreService) calculateBudgetCompliance(userID uint) (float64, string) {
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now := time.Now()
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budgets, err := s.budgetRepo.GetActiveBudgets(userID, now)
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if err != nil || len(budgets) == 0 {
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return 60.0, "暂无预算设置，建议设置预算"
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}
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var totalBudgets int
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var overBudgetCount int
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for _, budget := range budgets {
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// 获取预算期间的支出
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spent, err := s.budgetRepo.GetSpentAmount(&budget, budget.StartDate, now)
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if err != nil {
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continue
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}
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totalBudgets++
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if spent > budget.Amount {
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overBudgetCount++
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}
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}
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if totalBudgets == 0 {
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return 60.0, "暂无有效预算"
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}
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complianceRate := float64(totalBudgets-overBudgetCount) / float64(totalBudgets) * 100
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var score float64
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var tip string
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switch {
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case complianceRate >= 90:
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score = 100
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tip = "预算执行非常出色！"
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case complianceRate >= 70:
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score = 80
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tip = "预算执行良好，继续保持"
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case complianceRate >= 50:
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score = 60
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tip = "部分预算超支，需要加强控制"
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default:
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score = 30
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tip = "预算超支严重，请重新规划预算"
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}
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return score, tip
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}
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// calculateSpendingStability calculates spending stability factor
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func (s *HealthScoreService) calculateSpendingStability(userID uint, startDate, endDate time.Time) (float64, string) {
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// 获取按月的支出趋势
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trendData, err := s.reportRepo.GetTrendDataByMonth(userID, startDate, endDate, nil)
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if err != nil || len(trendData) < 2 {
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return 70.0, "数据不足以分析消费稳定性"
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}
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// 计算支出的标准差
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var sum, sumSq float64
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n := float64(len(trendData))
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for _, dp := range trendData {
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sum += dp.TotalExpense
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sumSq += dp.TotalExpense * dp.TotalExpense
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}
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mean := sum / n
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variance := (sumSq / n) - (mean * mean)
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// 变异系数 (CV) = 标准差 / 平均值
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if mean <= 0 {
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return 70.0, "暂无支出记录"
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}
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cv := (variance / (mean * mean)) * 100 // 简化计算
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var score float64
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var tip string
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switch {
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case cv <= 10:
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score = 100
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tip = "消费非常稳定，财务规划出色"
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case cv <= 25:
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score = 80
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tip = "消费较为稳定，理财意识良好"
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case cv <= 50:
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score = 60
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tip = "消费有一定波动，建议制定月度预算"
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default:
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score = 40
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tip = "消费波动较大，需要加强支出管理"
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}
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return score, tip
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}
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// calculateAssetDiversity calculates asset diversity factor
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func (s *HealthScoreService) calculateAssetDiversity(userID uint) (float64, string) {
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accounts, err := s.accountRepo.GetAll(userID)
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if err != nil {
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return 50.0, "无法获取账户数据"
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}
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// 统计不同类型的账户数量
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accountTypes := make(map[models.AccountType]int)
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for _, acc := range accounts {
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if acc.Balance > 0 && !acc.IsCredit {
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accountTypes[acc.Type]++
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}
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}
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diversity := len(accountTypes)
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var score float64
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var tip string
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switch {
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case diversity >= 4:
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score = 100
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tip = "资产配置多样化，抗风险能力强"
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case diversity >= 3:
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score = 80
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tip = "资产配置较好，可考虑增加投资类型"
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case diversity >= 2:
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score = 60
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tip = "资产类型偏少，建议分散配置"
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default:
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score = 40
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tip = "资产过于单一，建议多元化理财"
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}
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return score, tip
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}
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// getHealthScoreLevel returns the level and description based on score
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func getHealthScoreLevel(score int) (string, string) {
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switch {
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case score >= 90:
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return "优秀", "您的财务状况非常健康，继续保持良好的理财习惯！"
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case score >= 75:
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return "良好", "您的财务状况良好，还有一些提升空间。"
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case score >= 60:
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return "一般", "您的财务状况尚可，建议关注评分较低的方面。"
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case score >= 40:
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return "需改善", "您的财务状况需要改善，请查看具体建议。"
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default:
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return "警示", "您的财务状况存在风险，请尽快采取行动改善。"
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}
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}
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160
internal/service/notification_service.go
Normal file
160
internal/service/notification_service.go
Normal file
@@ -0,0 +1,160 @@
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package service
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import (
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"errors"
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"fmt"
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"accounting-app/internal/models"
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"accounting-app/internal/repository"
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)
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// Notification service errors
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var (
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ErrNotificationNotFound = errors.New("notification not found")
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)
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// NotificationService handles business logic for notifications
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type NotificationService struct {
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repo *repository.NotificationRepository
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}
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// NewNotificationService creates a new NotificationService instance
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func NewNotificationService(repo *repository.NotificationRepository) *NotificationService {
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return &NotificationService{repo: repo}
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}
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// CreateNotificationInput represents input for creating a notification
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type CreateNotificationInput struct {
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UserID uint
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Type models.NotificationType
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Title string
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Content string
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RelatedID *uint
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}
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// CreateNotification creates a new notification
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func (s *NotificationService) CreateNotification(input CreateNotificationInput) (*models.Notification, error) {
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notification := &models.Notification{
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UserID: input.UserID,
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Type: input.Type,
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Title: input.Title,
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Content: input.Content,
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RelatedID: input.RelatedID,
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IsRead: false,
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}
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if err := s.repo.Create(notification); err != nil {
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return nil, fmt.Errorf("failed to create notification: %w", err)
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}
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return notification, nil
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}
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// GetNotification retrieves a notification by ID
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func (s *NotificationService) GetNotification(userID, id uint) (*models.Notification, error) {
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notification, err := s.repo.GetByID(userID, id)
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if err != nil {
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if errors.Is(err, repository.ErrNotificationNotFound) {
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return nil, ErrNotificationNotFound
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}
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return nil, err
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}
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return notification, nil
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}
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// NotificationListInput represents input for listing notifications
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type NotificationListInput struct {
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Type *models.NotificationType
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IsRead *bool
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Offset int
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Limit int
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}
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// ListNotifications retrieves notifications with pagination
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func (s *NotificationService) ListNotifications(userID uint, input NotificationListInput) (*repository.NotificationListResult, error) {
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limit := input.Limit
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if limit <= 0 {
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limit = 20
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}
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options := repository.NotificationListOptions{
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Type: input.Type,
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IsRead: input.IsRead,
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Offset: input.Offset,
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Limit: limit,
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}
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return s.repo.List(userID, options)
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}
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// MarkAsRead marks a notification as read
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func (s *NotificationService) MarkAsRead(userID, id uint) error {
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err := s.repo.MarkAsRead(userID, id)
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if err != nil {
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if errors.Is(err, repository.ErrNotificationNotFound) {
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return ErrNotificationNotFound
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}
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return err
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}
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return nil
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}
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// MarkAllAsRead marks all notifications as read
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func (s *NotificationService) MarkAllAsRead(userID uint) error {
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return s.repo.MarkAllAsRead(userID)
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}
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// DeleteNotification deletes a notification
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func (s *NotificationService) DeleteNotification(userID, id uint) error {
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err := s.repo.Delete(userID, id)
|
||||
if err != nil {
|
||||
if errors.Is(err, repository.ErrNotificationNotFound) {
|
||||
return ErrNotificationNotFound
|
||||
}
|
||||
return err
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
// GetUnreadCount returns the count of unread notifications
|
||||
func (s *NotificationService) GetUnreadCount(userID uint) (int64, error) {
|
||||
return s.repo.GetUnreadCount(userID)
|
||||
}
|
||||
|
||||
// SendBudgetAlert creates a budget alert notification
|
||||
func (s *NotificationService) SendBudgetAlert(userID uint, budgetName string, usedPercentage float64, budgetID uint) (*models.Notification, error) {
|
||||
title := fmt.Sprintf("预算提醒: %s", budgetName)
|
||||
content := fmt.Sprintf("您的「%s」预算已使用 %.1f%%，请注意控制支出。", budgetName, usedPercentage)
|
||||
|
||||
return s.CreateNotification(CreateNotificationInput{
|
||||
UserID: userID,
|
||||
Type: models.NotificationTypeBudgetAlert,
|
||||
Title: title,
|
||||
Content: content,
|
||||
RelatedID: &budgetID,
|
||||
})
|
||||
}
|
||||
|
||||
// SendRecurringReminder creates a recurring transaction reminder
|
||||
func (s *NotificationService) SendRecurringReminder(userID uint, recurringName string, amount float64, recurringID uint) (*models.Notification, error) {
|
||||
title := fmt.Sprintf("周期交易提醒: %s", recurringName)
|
||||
content := fmt.Sprintf("您的周期交易「%s」(¥%.2f) 已自动执行。", recurringName, amount)
|
||||
|
||||
return s.CreateNotification(CreateNotificationInput{
|
||||
UserID: userID,
|
||||
Type: models.NotificationTypeRecurring,
|
||||
Title: title,
|
||||
Content: content,
|
||||
RelatedID: &recurringID,
|
||||
})
|
||||
}
|
||||
|
||||
// SendSystemNotification creates a system notification
|
||||
func (s *NotificationService) SendSystemNotification(userID uint, title, content string) (*models.Notification, error) {
|
||||
return s.CreateNotification(CreateNotificationInput{
|
||||
UserID: userID,
|
||||
Type: models.NotificationTypeSystem,
|
||||
Title: title,
|
||||
Content: content,
|
||||
})
|
||||
}
|
||||
@@ -47,6 +47,7 @@ type TransactionListInput struct {
|
||||
EndDate *time.Time `json:"end_date,omitempty"`
|
||||
CategoryID *uint `json:"category_id,omitempty"`
|
||||
AccountID *uint `json:"account_id,omitempty"`
|
||||
LedgerID *uint `json:"ledger_id,omitempty"`
|
||||
TagIDs []uint `json:"tag_ids,omitempty"`
|
||||
Type *models.TransactionType `json:"type,omitempty"`
|
||||
Currency *models.Currency `json:"currency,omitempty"`
|
||||
@@ -490,6 +491,7 @@ func (s *TransactionService) ListTransactions(userID uint, input TransactionList
|
||||
EndDate: input.EndDate,
|
||||
CategoryID: input.CategoryID,
|
||||
AccountID: input.AccountID,
|
||||
LedgerID: input.LedgerID,
|
||||
TagIDs: input.TagIDs,
|
||||
Type: input.Type,
|
||||
Currency: input.Currency,
|
||||
|
||||
Reference in New Issue
Block a user