feat: add invoice and alternative_componen management functionality

internal/mapper/alternative_component_mapper.go

@@ -0,0 +1,67 @@
+package mapper
+
+import (
+	"encoding/json"
+	"wm-backend/internal/models"
+	db "wm-backend/sqlc_gen"
+
+	"github.com/jackc/pgx/v5/pgtype"
+)
+
+func numericToString(n pgtype.Numeric) string {
+	if !n.Valid {
+		return ""
+	}
+	b, _ := json.Marshal(n)
+	return string(b)
+}
+
+func stringToNumeric(s string) pgtype.Numeric {
+	var n pgtype.Numeric
+	if s == "" {
+		return n
+	}
+	_ = json.Unmarshal([]byte(s), &n)
+	return n
+}
+
+func ToDomainAlternativeComponent(r db.AlternativeComponent) *models.AlternativeComponent {
+	return &models.AlternativeComponent{
+		ID:                     r.ID,
+		InvoiceConfigItemID:    r.InvoiceConfigItemID,
+		AlternativeComponentID: r.AlternativeComponentID,
+		ConversionRatio:        numericToString(r.ConversionRatio),
+		Priority:               r.Priority,
+		Note:                   r.Note.String,
+		Metadata:               r.Metadata,
+	}
+}
+
+func ToModelAlternativeComponent(r *models.AlternativeComponent) *db.CreateAlternativeComponentParams {
+	return &db.CreateAlternativeComponentParams{
+		InvoiceConfigItemID:    r.InvoiceConfigItemID,
+		AlternativeComponentID: r.AlternativeComponentID,
+		ConversionRatio:        stringToNumeric(r.ConversionRatio),
+		Priority:               r.Priority,
+		Note: pgtype.Text{
+			String: r.Note,
+			Valid:  r.Note != "",
+		},
+		Metadata: r.Metadata,
+	}
+}
+
+func ToUpdateModelAlternativeComponent(r *models.AlternativeComponent) *db.UpdateAlternativeComponentParams {
+	return &db.UpdateAlternativeComponentParams{
+		InvoiceConfigItemID:    r.InvoiceConfigItemID,
+		AlternativeComponentID: r.AlternativeComponentID,
+		ConversionRatio:        stringToNumeric(r.ConversionRatio),
+		Priority:               r.Priority,
+		Note: pgtype.Text{
+			String: r.Note,
+			Valid:  r.Note != "",
+		},
+		Metadata: r.Metadata,
+		ID:       r.ID,
+	}
+}

internal/mapper/invoice_mapper.go

@@ -0,0 +1,78 @@
+package mapper
+
+import (
+	"wm-backend/internal/models"
+	db "wm-backend/sqlc_gen"
+
+	"github.com/jackc/pgx/v5/pgtype"
+)
+
+func timestampToTime(t pgtype.Timestamptz) string {
+	if !t.Valid {
+		return ""
+	}
+	return t.Time.String()
+}
+
+func ToDomainInvoice(r db.Invoice) *models.Invoice {
+	return &models.Invoice{
+		ID:              r.ID,
+		InvoiceCode:     r.InvoiceCode,
+		Type:            string(r.Type),
+		Status:          string(r.Status),
+		InvoiceConfigID: r.InvoiceConfigID.Int64,
+		TotalItems:      r.TotalItems,
+		Note:            r.Note.String,
+		CreatedBy:       r.CreatedBy.String,
+		ApprovedBy:      r.ApprovedBy.String,
+		CompletedAt:     r.CompletedAt.Time,
+		CreatedAt:       r.CreatedAt,
+		UpdatedAt:       r.UpdatedAt,
+		Metadata:        r.Metadata,
+	}
+}
+
+func ToModelInvoice(r *models.Invoice) *db.CreateInvoiceParams {
+	return &db.CreateInvoiceParams{
+		Type:   db.InvoiceTypeEnum(r.Type),
+		Status: db.InvoiceStatusEnum(r.Status),
+		InvoiceConfigID: pgtype.Int8{
+			Int64: r.InvoiceConfigID,
+			Valid: r.InvoiceConfigID != 0,
+		},
+		TotalItems: r.TotalItems,
+		Note: pgtype.Text{
+			String: r.Note,
+			Valid:  r.Note != "",
+		},
+		CreatedBy: pgtype.Text{
+			String: r.CreatedBy,
+			Valid:  r.CreatedBy != "",
+		},
+		ApprovedBy: pgtype.Text{
+			String: r.ApprovedBy,
+			Valid:  r.ApprovedBy != "",
+		},
+		CreatedAt: r.CreatedAt,
+		Metadata:  r.Metadata,
+	}
+}
+
+func ToUpdateModelInvoice(r *models.Invoice) *db.UpdateInvoiceParams {
+	return &db.UpdateInvoiceParams{
+		Type:   db.InvoiceTypeEnum(r.Type),
+		Status: db.InvoiceStatusEnum(r.Status),
+		InvoiceConfigID: pgtype.Int8{
+			Int64: r.InvoiceConfigID,
+			Valid: r.InvoiceConfigID != 0,
+		},
+		TotalItems: r.TotalItems,
+		Note: pgtype.Text{
+			String: r.Note,
+			Valid:  r.Note != "",
+		},
+		Metadata:  r.Metadata,
+		UpdatedAt: r.UpdatedAt,
+		ID:        r.ID,
+	}
+}