2025-09-17 19:30:17 +07:00

138 lines
3.3 KiB
Go

package processor
import (
"apskel-pos-be/internal/mappers"
"apskel-pos-be/internal/models"
"apskel-pos-be/internal/repository"
"context"
"fmt"
"github.com/google/uuid"
)
type TierProcessor struct {
tierRepo *repository.TierRepository
}
func NewTierProcessor(tierRepo *repository.TierRepository) *TierProcessor {
return &TierProcessor{
tierRepo: tierRepo,
}
}
// CreateTier creates a new tier
func (p *TierProcessor) CreateTier(ctx context.Context, req *models.CreateTierRequest) (*models.TierResponse, error) {
// Convert request to entity
tier := mappers.ToTierEntity(req)
// Create tier
err := p.tierRepo.Create(ctx, tier)
if err != nil {
return nil, fmt.Errorf("failed to create tier: %w", err)
}
return mappers.ToTierResponse(tier), nil
}
// GetTier retrieves a tier by ID
func (p *TierProcessor) GetTier(ctx context.Context, id uuid.UUID) (*models.TierResponse, error) {
tier, err := p.tierRepo.GetByID(ctx, id)
if err != nil {
return nil, fmt.Errorf("tier not found: %w", err)
}
return mappers.ToTierResponse(tier), nil
}
// ListTiers retrieves tiers with pagination and filtering
func (p *TierProcessor) ListTiers(ctx context.Context, query *models.ListTiersQuery) (*models.PaginatedResponse[models.TierResponse], error) {
// Set default values
if query.Page <= 0 {
query.Page = 1
}
if query.Limit <= 0 {
query.Limit = 10
}
if query.Limit > 100 {
query.Limit = 100
}
offset := (query.Page - 1) * query.Limit
// Get tiers from repository
tiers, total, err := p.tierRepo.List(
ctx,
offset,
query.Limit,
query.Search,
query.SortBy,
query.SortOrder,
)
if err != nil {
return nil, fmt.Errorf("failed to list tiers: %w", err)
}
// Convert to responses
responses := mappers.ToTierResponses(tiers)
// Calculate pagination info
totalPages := int((total + int64(query.Limit) - 1) / int64(query.Limit))
return &models.PaginatedResponse[models.TierResponse]{
Data: responses,
Pagination: models.Pagination{
Page: query.Page,
Limit: query.Limit,
Total: total,
TotalPages: totalPages,
},
}, nil
}
// UpdateTier updates an existing tier
func (p *TierProcessor) UpdateTier(ctx context.Context, id uuid.UUID, req *models.UpdateTierRequest) (*models.TierResponse, error) {
// Get existing tier
tier, err := p.tierRepo.GetByID(ctx, id)
if err != nil {
return nil, fmt.Errorf("tier not found: %w", err)
}
// Update tier fields
mappers.UpdateTierEntity(tier, req)
// Save updated tier
err = p.tierRepo.Update(ctx, tier)
if err != nil {
return nil, fmt.Errorf("failed to update tier: %w", err)
}
return mappers.ToTierResponse(tier), nil
}
// DeleteTier deletes a tier
func (p *TierProcessor) DeleteTier(ctx context.Context, id uuid.UUID) error {
// Get existing tier
_, err := p.tierRepo.GetByID(ctx, id)
if err != nil {
return fmt.Errorf("tier not found: %w", err)
}
// Delete tier
err = p.tierRepo.Delete(ctx, id)
if err != nil {
return fmt.Errorf("failed to delete tier: %w", err)
}
return nil
}
// GetTierByPoints gets the appropriate tier for a given point amount
func (p *TierProcessor) GetTierByPoints(ctx context.Context, points int64) (*models.TierResponse, error) {
tier, err := p.tierRepo.GetTierByPoints(ctx, points)
if err != nil {
return nil, fmt.Errorf("tier not found for points: %w", err)
}
return mappers.ToTierResponse(tier), nil
}