feat: add invoice-configs management functionality

internal/mapper/invoice_config_mapper.go

@@ -0,0 +1,50 @@
+package mapper
+
+import (
+	"wm-backend/internal/models"
+	db "wm-backend/sqlc_gen"
+
+	"github.com/jackc/pgx/v5/pgtype"
+)
+
+func ToDomainInvoiceConfig(r db.InvoiceConfig) *models.InvoiceConfig {
+	return &models.InvoiceConfig{
+		ID:          r.ID,
+		Name:        r.Name,
+		Type:        string(r.Type),
+		Description: r.Description.String,
+		IsActive:    r.IsActive,
+		Metadata:    r.Metadata,
+		CreatedAt:   r.CreatedAt,
+		UpdatedAt:   r.UpdatedAt,
+	}
+}
+
+func ToModelInvoiceConfig(r *models.InvoiceConfig) *db.CreateInvoiceConfigParams {
+	return &db.CreateInvoiceConfigParams{
+		Name: r.Name,
+		Type: db.InvoiceTypeEnum(r.Type),
+		Description: pgtype.Text{
+			String: r.Description,
+			Valid:  r.Description != "",
+		},
+		IsActive: r.IsActive,
+		Metadata: r.Metadata,
+		CreatedAt: r.CreatedAt,
+	}
+}
+
+func ToUpdateModelInvoiceConfig(r *models.InvoiceConfig) *db.UpdateInvoiceConfigParams {
+	return &db.UpdateInvoiceConfigParams{
+		Name: r.Name,
+		Type: db.InvoiceTypeEnum(r.Type),
+		Description: pgtype.Text{
+			String: r.Description,
+			Valid:  r.Description != "",
+		},
+		IsActive: r.IsActive,
+		Metadata: r.Metadata,
+		UpdatedAt: r.UpdatedAt,
+		ID:        r.ID,
+	}
+}