WIP: save current pricing and pricelist changes
This commit is contained in:
Mikhail Chusavitin
@@ -3,6 +3,7 @@ package services
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import (
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"errors"
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"git.mchus.pro/mchus/quoteforge/internal/localdb"
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"git.mchus.pro/mchus/quoteforge/internal/models"
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"git.mchus.pro/mchus/quoteforge/internal/repository"
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"git.mchus.pro/mchus/quoteforge/internal/services/pricing"
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@@ -17,17 +18,23 @@ var (
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type QuoteService struct {
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componentRepo *repository.ComponentRepository
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statsRepo *repository.StatsRepository
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pricelistRepo *repository.PricelistRepository
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localDB *localdb.LocalDB
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pricingService *pricing.Service
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}
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func NewQuoteService(
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componentRepo *repository.ComponentRepository,
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statsRepo *repository.StatsRepository,
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pricelistRepo *repository.PricelistRepository,
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localDB *localdb.LocalDB,
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pricingService *pricing.Service,
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) *QuoteService {
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return &QuoteService{
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componentRepo: componentRepo,
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statsRepo: statsRepo,
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pricelistRepo: pricelistRepo,
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localDB: localDB,
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pricingService: pricingService,
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}
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}
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@@ -57,6 +64,34 @@ type QuoteRequest struct {
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} `json:"items"`
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}
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type PriceLevelsRequest struct {
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Items []struct {
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LotName string `json:"lot_name"`
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Quantity int `json:"quantity"`
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} `json:"items"`
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PricelistIDs map[string]uint `json:"pricelist_ids,omitempty"`
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}
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type PriceLevelsItem struct {
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LotName string `json:"lot_name"`
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Quantity int `json:"quantity"`
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EstimatePrice *float64 `json:"estimate_price"`
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WarehousePrice *float64 `json:"warehouse_price"`
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CompetitorPrice *float64 `json:"competitor_price"`
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DeltaWhEstimateAbs *float64 `json:"delta_wh_estimate_abs"`
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DeltaWhEstimatePct *float64 `json:"delta_wh_estimate_pct"`
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DeltaCompEstimateAbs *float64 `json:"delta_comp_estimate_abs"`
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DeltaCompEstimatePct *float64 `json:"delta_comp_estimate_pct"`
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DeltaCompWhAbs *float64 `json:"delta_comp_wh_abs"`
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DeltaCompWhPct *float64 `json:"delta_comp_wh_pct"`
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PriceMissing []string `json:"price_missing"`
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}
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type PriceLevelsResult struct {
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Items []PriceLevelsItem `json:"items"`
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ResolvedPricelistIDs map[string]uint `json:"resolved_pricelist_ids"`
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}
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func (s *QuoteService) ValidateAndCalculate(req *QuoteRequest) (*QuoteValidationResult, error) {
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if len(req.Items) == 0 {
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return nil, ErrEmptyQuote
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@@ -130,6 +165,132 @@ func (s *QuoteService) ValidateAndCalculate(req *QuoteRequest) (*QuoteValidation
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return result, nil
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}
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func (s *QuoteService) CalculatePriceLevels(req *PriceLevelsRequest) (*PriceLevelsResult, error) {
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if len(req.Items) == 0 {
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return nil, ErrEmptyQuote
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}
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result := &PriceLevelsResult{
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Items: make([]PriceLevelsItem, 0, len(req.Items)),
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ResolvedPricelistIDs: map[string]uint{},
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}
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for _, reqItem := range req.Items {
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item := PriceLevelsItem{
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LotName: reqItem.LotName,
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Quantity: reqItem.Quantity,
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PriceMissing: make([]string, 0, 3),
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}
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estimatePrice, estimateID := s.lookupLevelPrice(models.PricelistSourceEstimate, reqItem.LotName, req.PricelistIDs)
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warehousePrice, warehouseID := s.lookupLevelPrice(models.PricelistSourceWarehouse, reqItem.LotName, req.PricelistIDs)
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competitorPrice, competitorID := s.lookupLevelPrice(models.PricelistSourceCompetitor, reqItem.LotName, req.PricelistIDs)
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item.EstimatePrice = estimatePrice
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item.WarehousePrice = warehousePrice
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item.CompetitorPrice = competitorPrice
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if estimateID != 0 {
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result.ResolvedPricelistIDs[string(models.PricelistSourceEstimate)] = estimateID
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}
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if warehouseID != 0 {
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result.ResolvedPricelistIDs[string(models.PricelistSourceWarehouse)] = warehouseID
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}
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if competitorID != 0 {
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result.ResolvedPricelistIDs[string(models.PricelistSourceCompetitor)] = competitorID
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}
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if item.EstimatePrice == nil {
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item.PriceMissing = append(item.PriceMissing, string(models.PricelistSourceEstimate))
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}
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if item.WarehousePrice == nil {
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item.PriceMissing = append(item.PriceMissing, string(models.PricelistSourceWarehouse))
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}
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if item.CompetitorPrice == nil {
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item.PriceMissing = append(item.PriceMissing, string(models.PricelistSourceCompetitor))
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}
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item.DeltaWhEstimateAbs, item.DeltaWhEstimatePct = calculateDelta(item.WarehousePrice, item.EstimatePrice)
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item.DeltaCompEstimateAbs, item.DeltaCompEstimatePct = calculateDelta(item.CompetitorPrice, item.EstimatePrice)
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item.DeltaCompWhAbs, item.DeltaCompWhPct = calculateDelta(item.CompetitorPrice, item.WarehousePrice)
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result.Items = append(result.Items, item)
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}
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return result, nil
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}
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func calculateDelta(target, base *float64) (*float64, *float64) {
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if target == nil || base == nil {
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return nil, nil
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}
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abs := *target - *base
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if *base == 0 {
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return &abs, nil
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}
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pct := (abs / *base) * 100
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return &abs, &pct
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}
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func (s *QuoteService) lookupLevelPrice(source models.PricelistSource, lotName string, pricelistIDs map[string]uint) (*float64, uint) {
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sourceKey := string(source)
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if id, ok := pricelistIDs[sourceKey]; ok && id > 0 {
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price, found := s.lookupPriceByPricelistID(id, lotName)
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if found {
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return &price, id
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}
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return nil, id
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}
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if s.pricelistRepo != nil {
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price, id, err := s.pricelistRepo.GetPriceForLotBySource(sourceKey, lotName)
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if err == nil && price > 0 {
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return &price, id
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}
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latest, latestErr := s.pricelistRepo.GetLatestActiveBySource(sourceKey)
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if latestErr == nil {
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return nil, latest.ID
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}
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}
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if s.localDB != nil {
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localPL, err := s.localDB.GetLatestLocalPricelistBySource(sourceKey)
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if err != nil {
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return nil, 0
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}
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price, err := s.localDB.GetLocalPriceForLot(localPL.ID, lotName)
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if err != nil || price <= 0 {
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return nil, localPL.ServerID
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}
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return &price, localPL.ServerID
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}
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return nil, 0
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}
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func (s *QuoteService) lookupPriceByPricelistID(pricelistID uint, lotName string) (float64, bool) {
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if s.pricelistRepo != nil {
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price, err := s.pricelistRepo.GetPriceForLot(pricelistID, lotName)
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if err == nil && price > 0 {
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return price, true
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}
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}
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if s.localDB != nil {
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localPL, err := s.localDB.GetLocalPricelistByServerID(pricelistID)
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if err != nil {
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return 0, false
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}
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price, err := s.localDB.GetLocalPriceForLot(localPL.ID, lotName)
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if err == nil && price > 0 {
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return price, true
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}
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}
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return 0, false
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}
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// RecordUsage records that components were used in a quote
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func (s *QuoteService) RecordUsage(items []models.ConfigItem) error {
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if s.statsRepo == nil {
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