feat: add component_codes management functionality

internal/mapper/component_code_mapper.go

@@ -0,0 +1,54 @@
+package mapper
+
+import (
+	"wm-backend/internal/models"
+	db "wm-backend/sqlc_gen"
+
+	"encoding/json"
+
+	"github.com/jackc/pgx/v5/pgtype"
+)
+
+func ToDomainComponentCode(r db.ComponentCode) *models.ComponentCode {
+	return &models.ComponentCode{
+		ID:          r.ID,
+		ComponentID: r.ComponentID,
+		Code:        r.Code,
+		CodeType:    r.CodeType.String,
+		IsPrimary:   r.IsPrimary,
+		Metadata:    json.RawMessage(r.Metadata),
+		CreatedAt:   r.CreatedAt,
+	}
+}
+
+func ToModelComponentCode(r *models.ComponentCode) *db.CreateComponentCodeParams {
+	return &db.CreateComponentCodeParams{
+		ComponentID: r.ComponentID,
+		Code:        r.Code,
+		CodeType: pgtype.Text{
+			String: r.CodeType,
+			Valid:  r.CodeType != "",
+		},
+		IsPrimary: r.IsPrimary,
+		Metadata:  []byte(r.Metadata),
+		CreatedAt: r.CreatedAt,
+	}
+}
+
+func ToUpdateModelComponentCode(r *models.ComponentCode) *db.UpdateComponentCodeParams {
+	var metadata []byte
+	if len(r.Metadata) > 0 {
+		metadata = []byte(r.Metadata)
+	}
+	return &db.UpdateComponentCodeParams{
+		Code:        r.Code,
+		ComponentID: r.ComponentID,
+		CodeType: pgtype.Text{
+			String: r.CodeType,
+			Valid:  r.CodeType != "",
+		},
+		IsPrimary: r.IsPrimary,
+		Metadata:  metadata,
+		ID:        r.ID,
+	}
+}