Embed assets and fix offline/sync/pricing issues

internal/services/pricing/service.go

@@ -68,7 +68,7 @@ func (s *Service) CalculatePrice(lotName string, method models.PriceMethod, peri
 	case models.PriceMethodAverage:
 		return CalculateAverage(prices), nil
 	case models.PriceMethodWeightedMedian:
-		return CalculateWeightedMedian(points, s.config.DefaultPeriodDays), nil
+		return CalculateWeightedMedian(points, periodDays), nil
 	case models.PriceMethodMedian:
 		fallthrough
 	default:
@@ -149,17 +149,17 @@ func (s *Service) GetPriceStats(lotName string, periodDays int) (*PriceStats, er
 	}
 
 	return &PriceStats{
-		QuoteCount:    len(points),
-		MinPrice:      CalculatePercentile(prices, 0),
-		MaxPrice:      CalculatePercentile(prices, 100),
-		MedianPrice:   CalculateMedian(prices),
-		AveragePrice:  CalculateAverage(prices),
-		StdDeviation:  CalculateStdDev(prices),
-		LatestPrice:   points[0].Price,
-		LatestDate:    points[0].Date,
-		OldestDate:    points[len(points)-1].Date,
-		Percentile25:  CalculatePercentile(prices, 25),
-		Percentile75:  CalculatePercentile(prices, 75),
+		QuoteCount:   len(points),
+		MinPrice:     CalculatePercentile(prices, 0),
+		MaxPrice:     CalculatePercentile(prices, 100),
+		MedianPrice:  CalculateMedian(prices),
+		AveragePrice: CalculateAverage(prices),
+		StdDeviation: CalculateStdDev(prices),
+		LatestPrice:  points[0].Price,
+		LatestDate:   points[0].Date,
+		OldestDate:   points[len(points)-1].Date,
+		Percentile25: CalculatePercentile(prices, 25),
+		Percentile75: CalculatePercentile(prices, 75),
 	}, nil
 }
 

internal/services/quote.go

@@ -9,14 +9,14 @@ import (
 )
 
 var (
-	ErrEmptyQuote       = errors.New("quote cannot be empty")
+	ErrEmptyQuote        = errors.New("quote cannot be empty")
 	ErrComponentNotFound = errors.New("component not found")
 	ErrNoPriceAvailable  = errors.New("no price available for component")
 )
 
 type QuoteService struct {
-	componentRepo *repository.ComponentRepository
-	statsRepo     *repository.StatsRepository
+	componentRepo  *repository.ComponentRepository
+	statsRepo      *repository.StatsRepository
 	pricingService *pricing.Service
 }
 
@@ -43,11 +43,11 @@ type QuoteItem struct {
 }
 
 type QuoteValidationResult struct {
-	Valid    bool          `json:"valid"`
-	Items    []QuoteItem   `json:"items"`
-	Errors   []string      `json:"errors"`
-	Warnings []string      `json:"warnings"`
-	Total    float64       `json:"total"`
+	Valid    bool        `json:"valid"`
+	Items    []QuoteItem `json:"items"`
+	Errors   []string    `json:"errors"`
+	Warnings []string    `json:"warnings"`
+	Total    float64     `json:"total"`
 }
 
 type QuoteRequest struct {
@@ -61,6 +61,9 @@ func (s *QuoteService) ValidateAndCalculate(req *QuoteRequest) (*QuoteValidation
 	if len(req.Items) == 0 {
 		return nil, ErrEmptyQuote
 	}
+	if s.componentRepo == nil || s.pricingService == nil {
+		return nil, errors.New("offline mode: quote calculation not available")
+	}
 
 	result := &QuoteValidationResult{
 		Valid:    true,

internal/services/sync/service.go

@@ -134,12 +134,16 @@ func (s *Service) SyncPricelists() (int, error) {
 
 	synced := 0
 	var latestLocalID uint
+	var latestServerID uint
 	for _, pl := range serverPricelists {
 		// Check if pricelist already exists locally
 		existing, _ := s.localDB.GetLocalPricelistByServerID(pl.ID)
 		if existing != nil {
-			// Already synced, track latest
-			latestLocalID = existing.ID
+			// Already synced, track latest by server ID
+			if pl.ID > latestServerID {
+				latestServerID = pl.ID
+				latestLocalID = existing.ID
+			}
 			continue
 		}
 
@@ -167,7 +171,10 @@ func (s *Service) SyncPricelists() (int, error) {
 			slog.Debug("synced pricelist with items", "version", pl.Version, "items", itemCount)
 		}
 
-		latestLocalID = localPL.ID
+		if pl.ID > latestServerID {
+			latestServerID = pl.ID
+			latestLocalID = localPL.ID
+		}
 		synced++
 	}