apskel-pos-backend/internal/processor/ingredient_processor.go
2026-04-27 21:17:12 +07:00

345 lines
11 KiB
Go

package processor
import (
"apskel-pos-be/internal/appcontext"
"apskel-pos-be/internal/entities"
"apskel-pos-be/internal/models"
"apskel-pos-be/internal/transformer"
"context"
"fmt"
"time"
"github.com/google/uuid"
)
type IngredientProcessorImpl struct {
ingredientRepo IngredientRepository
unitRepo UnitRepository
compositionRepo IngredientCompositionRepository
}
func NewIngredientProcessor(ingredientRepo IngredientRepository, unitRepo UnitRepository, compositionRepo IngredientCompositionRepository) *IngredientProcessorImpl {
return &IngredientProcessorImpl{
ingredientRepo: ingredientRepo,
unitRepo: unitRepo,
compositionRepo: compositionRepo,
}
}
func (p *IngredientProcessorImpl) CreateIngredient(ctx context.Context, req *models.CreateIngredientRequest) (*models.IngredientResponse, error) {
if _, err := p.unitRepo.GetByID(ctx, req.UnitID, req.OrganizationID); err != nil {
return nil, err
}
ingredient := &entities.Ingredient{
ID: uuid.New(),
OrganizationID: req.OrganizationID,
OutletID: req.OutletID,
Name: req.Name,
UnitID: req.UnitID,
Cost: req.Cost, // akan di-override oleh recalculateCost kalau semi-finished
Stock: req.Stock,
IsSemiFinished: req.IsSemiFinished,
IsActive: req.IsActive,
Metadata: req.Metadata,
CreatedAt: time.Now(),
UpdatedAt: time.Now(),
}
if req.IsSemiFinished {
ingredient.Cost = 0 // dihitung dari compositions
}
if err := p.ingredientRepo.Create(ctx, ingredient); err != nil {
return nil, err
}
// Save compositions if provided (only valid for semi-finished ingredients)
if req.IsSemiFinished && len(req.Compositions) > 0 {
if err := p.saveCompositions(ctx, ingredient.ID, req.OrganizationID, req.Compositions); err != nil {
return nil, err
}
}
return p.buildIngredientResponse(ctx, ingredient.ID, req.OrganizationID)
}
func (p *IngredientProcessorImpl) GetIngredientByID(ctx context.Context, id uuid.UUID) (*models.IngredientResponse, error) {
ctxInfo := appcontext.FromGinContext(ctx)
return p.buildIngredientResponse(ctx, id, ctxInfo.OrganizationID)
}
func (p *IngredientProcessorImpl) ListIngredients(ctx context.Context, organizationID uuid.UUID, outletID *uuid.UUID, page, limit int, search string) (*models.PaginatedResponse[models.IngredientResponse], error) {
if page < 1 {
page = 1
}
if limit < 1 {
limit = 10
}
if limit > 100 {
limit = 100
}
ingredients, total, err := p.ingredientRepo.GetAll(ctx, organizationID, outletID, page, limit, search, nil)
if err != nil {
return nil, err
}
ingredientResponses := transformer.IngredientsToResponses(ingredients)
return &models.PaginatedResponse[models.IngredientResponse]{
Data: ingredientResponses,
Pagination: models.Pagination{
Page: page,
Limit: limit,
Total: int64(total),
TotalPages: (total + limit - 1) / limit,
},
}, nil
}
func (p *IngredientProcessorImpl) UpdateIngredient(ctx context.Context, id uuid.UUID, req *models.UpdateIngredientRequest) (*models.IngredientResponse, error) {
ctxInfo := appcontext.FromGinContext(ctx)
organizationID := ctxInfo.OrganizationID
existing, err := p.ingredientRepo.GetByID(ctx, id, organizationID)
if err != nil {
return nil, err
}
if req.UnitID != existing.UnitID {
if _, err := p.unitRepo.GetByID(ctx, req.UnitID, organizationID); err != nil {
return nil, err
}
}
existing.OutletID = req.OutletID
existing.Name = req.Name
existing.UnitID = req.UnitID
existing.Stock = req.Stock
existing.IsSemiFinished = req.IsSemiFinished
existing.IsActive = req.IsActive
existing.Metadata = req.Metadata
existing.UpdatedAt = time.Now()
// Cost hanya dipakai kalau bukan semi-finished
// Kalau semi-finished, cost dihitung dari compositions
if !req.IsSemiFinished {
existing.Cost = req.Cost
}
if err := p.ingredientRepo.Update(ctx, existing); err != nil {
return nil, err
}
return p.buildIngredientResponse(ctx, id, organizationID)
}
func (p *IngredientProcessorImpl) DeleteIngredient(ctx context.Context, id uuid.UUID) error {
ctxInfo := appcontext.FromGinContext(ctx)
return p.ingredientRepo.Delete(ctx, id, ctxInfo.OrganizationID)
}
func (p *IngredientProcessorImpl) AddCompositions(ctx context.Context, parentID uuid.UUID, req *models.AddIngredientCompositionsRequest) (*models.AddIngredientCompositionsResponse, error) {
ctxInfo := appcontext.FromGinContext(ctx)
organizationID := ctxInfo.OrganizationID
// Parent must exist and be semi-finished
parent, err := p.ingredientRepo.GetByID(ctx, parentID, organizationID)
if err != nil {
return nil, fmt.Errorf("parent ingredient not found: %w", err)
}
if !parent.IsSemiFinished {
return nil, fmt.Errorf("parent ingredient must be marked as semi-finished")
}
now := time.Now()
createdIDs := make([]uuid.UUID, 0, len(req.Compositions))
// Validate and create all compositions
for _, item := range req.Compositions {
// Child must exist
if _, err := p.ingredientRepo.GetByID(ctx, item.ChildIngredientID, organizationID); err != nil {
return nil, fmt.Errorf("child ingredient %s not found: %w", item.ChildIngredientID, err)
}
if item.ChildIngredientID == parentID {
return nil, fmt.Errorf("child ingredient cannot be the same as parent")
}
// Resolve outlet
outletID := item.OutletID
if outletID == nil && ctxInfo.OutletID != uuid.Nil {
outletID = &ctxInfo.OutletID
}
compositionID := uuid.New()
composition := &entities.IngredientComposition{
ID: compositionID,
OrganizationID: organizationID,
OutletID: outletID,
ParentIngredientID: parentID,
ChildIngredientID: item.ChildIngredientID,
Quantity: item.Quantity,
CreatedAt: now,
UpdatedAt: now,
}
if err := p.compositionRepo.Create(ctx, composition); err != nil {
return nil, fmt.Errorf("failed to add composition: %w", err)
}
createdIDs = append(createdIDs, compositionID)
}
// Recalculate parent cost
if err := p.recalculateCost(ctx, parentID, organizationID); err != nil {
return nil, err
}
// Get updated parent ingredient with all compositions
updatedParent, err := p.buildIngredientResponse(ctx, parentID, organizationID)
if err != nil {
return nil, err
}
// Get created compositions with full details
createdCompositions := make([]*models.IngredientCompositionResponse, 0, len(createdIDs))
for _, id := range createdIDs {
comp, err := p.compositionRepo.GetByID(ctx, id, organizationID)
if err != nil {
return nil, err
}
createdCompositions = append(createdCompositions, transformer.CompositionEntityToResponse(comp))
}
return &models.AddIngredientCompositionsResponse{
ParentIngredient: updatedParent,
Compositions: createdCompositions,
}, nil
}
func (p *IngredientProcessorImpl) UpdateComposition(ctx context.Context, id uuid.UUID, req *models.UpdateIngredientCompositionRequest) (*models.IngredientCompositionResponse, error) {
ctxInfo := appcontext.FromGinContext(ctx)
existing, err := p.compositionRepo.GetByID(ctx, id, ctxInfo.OrganizationID)
if err != nil {
return nil, fmt.Errorf("composition not found: %w", err)
}
existing.Quantity = req.Quantity
existing.OutletID = req.OutletID
existing.UpdatedAt = time.Now()
if err := p.compositionRepo.Update(ctx, existing); err != nil {
return nil, fmt.Errorf("failed to update composition: %w", err)
}
// Recalculate parent cost since quantity changed
if err := p.recalculateCost(ctx, existing.ParentIngredientID, ctxInfo.OrganizationID); err != nil {
return nil, fmt.Errorf("failed to recalculate cost: %w", err)
}
updated, err := p.compositionRepo.GetByID(ctx, id, ctxInfo.OrganizationID)
if err != nil {
return nil, err
}
return transformer.CompositionEntityToResponse(updated), nil
}
func (p *IngredientProcessorImpl) DeleteComposition(ctx context.Context, id uuid.UUID) (*models.IngredientResponse, error) {
ctxInfo := appcontext.FromGinContext(ctx)
existing, err := p.compositionRepo.GetByID(ctx, id, ctxInfo.OrganizationID)
if err != nil {
return nil, fmt.Errorf("composition not found: %w", err)
}
parentID := existing.ParentIngredientID
if err := p.compositionRepo.Delete(ctx, id, ctxInfo.OrganizationID); err != nil {
return nil, err
}
// Recalculate parent cost after removal
if err := p.recalculateCost(ctx, parentID, ctxInfo.OrganizationID); err != nil {
return nil, err
}
// Return updated parent ingredient
return p.buildIngredientResponse(ctx, parentID, ctxInfo.OrganizationID)
}
// --- private helpers ---
func (p *IngredientProcessorImpl) saveCompositions(ctx context.Context, parentID, organizationID uuid.UUID, items []models.CompositionItemRequest) error {
ctxInfo := appcontext.FromGinContext(ctx)
now := time.Now()
for _, item := range items {
if item.ChildIngredientID == parentID {
return fmt.Errorf("child ingredient cannot be the same as parent")
}
if _, err := p.ingredientRepo.GetByID(ctx, item.ChildIngredientID, organizationID); err != nil {
return fmt.Errorf("child ingredient %s not found: %w", item.ChildIngredientID, err)
}
// Resolve outlet: use item's outlet if provided, otherwise fall back to context outlet
outletID := item.OutletID
if outletID == nil && ctxInfo.OutletID != uuid.Nil {
outletID = &ctxInfo.OutletID
}
composition := &entities.IngredientComposition{
ID: uuid.New(),
OrganizationID: organizationID,
OutletID: outletID,
ParentIngredientID: parentID,
ChildIngredientID: item.ChildIngredientID,
Quantity: item.Quantity,
CreatedAt: now,
UpdatedAt: now,
}
if err := p.compositionRepo.Create(ctx, composition); err != nil {
return fmt.Errorf("failed to save composition: %w", err)
}
}
// Recalculate cost of the semi-finished parent from child costs
return p.recalculateCost(ctx, parentID, organizationID)
}
// recalculateCost sums up (child.cost * composition.quantity) and updates the parent ingredient cost.
func (p *IngredientProcessorImpl) recalculateCost(ctx context.Context, parentID, organizationID uuid.UUID) error {
compositions, err := p.compositionRepo.GetByParentIngredientID(ctx, parentID, organizationID)
if err != nil {
return err
}
var totalCost float64
for _, c := range compositions {
if c.ChildIngredient != nil {
totalCost += c.ChildIngredient.Cost * c.Quantity
}
}
parent, err := p.ingredientRepo.GetByID(ctx, parentID, organizationID)
if err != nil {
return err
}
parent.Cost = totalCost
parent.UpdatedAt = time.Now()
return p.ingredientRepo.Update(ctx, parent)
}
func (p *IngredientProcessorImpl) buildIngredientResponse(ctx context.Context, id, organizationID uuid.UUID) (*models.IngredientResponse, error) {
ingredient, err := p.ingredientRepo.GetByID(ctx, id, organizationID)
if err != nil {
return nil, err
}
return transformer.IngredientEntityToResponse(ingredient), nil
}