add sorting server side po and expense

internal/modules/purchases/controllers/purchase.controller.go

@@ -102,6 +102,8 @@ func buildPurchaseQuery(c *fiber.Ctx) *validation.Query {
 		ProjectFlockID:        uint(c.QueryInt("project_flock_id", 0)),
 		ProjectFlockKandangID: uint(c.QueryInt("project_flock_kandang_id", 0)),
 		ProductCategoryID:     strings.TrimSpace(c.Query("product_category_id")),
+		SortBy:                strings.TrimSpace(c.Query("sort_by", "")),
+		SortOrder:             strings.TrimSpace(c.Query("sort_order", "")),
 	}
 }
 

internal/modules/purchases/services/purchase.service.go

@@ -261,7 +261,46 @@ func (s *purchaseService) GetAll(c *fiber.Ctx, params *validation.Query) ([]enti
 		db = applyPurchaseApprovalStatusFilter(db, approvalStatuses)
 		db = applyPurchaseSearchFilter(db, search)
 
-		return db.Order("created_at DESC").Order("purchases.id DESC")
+		sortBy := strings.TrimSpace(params.SortBy)
+		sortOrder := strings.ToUpper(strings.TrimSpace(params.SortOrder))
+		if sortOrder == "" {
+			sortOrder = "DESC"
+		}
+
+		switch sortBy {
+		case "po_expedition":
+			return db.Order(`(SELECT MIN(e.reference_number) FROM purchase_items pi
+				 LEFT JOIN expense_nonstocks en ON en.id = pi.expense_nonstock_id
+				 LEFT JOIN expenses e ON e.id = en.expense_id
+				 WHERE pi.purchase_id = purchases.id) ` + sortOrder + " NULLS LAST")
+		case "supplier":
+			return db.Order(`(SELECT COALESCE(s.name, '') FROM suppliers s WHERE s.id = purchases.supplier_id) ` + sortOrder)
+		case "requester_name":
+			return db.Order(`(SELECT COALESCE(u.name, '') FROM users u WHERE u.id = purchases.created_by) ` + sortOrder)
+		case "products":
+			return db.Order(`(SELECT MIN(COALESCE(p.name, '')) FROM purchase_items pi
+				 JOIN products p ON p.id = pi.product_id
+				 WHERE pi.purchase_id = purchases.id) ` + sortOrder)
+		case "location":
+			return db.Order(`(SELECT MIN(COALESCE(l.name, '')) FROM purchase_items pi
+				 JOIN warehouses w ON w.id = pi.warehouse_id
+				 JOIN locations l ON l.id = w.location_id
+				 WHERE pi.purchase_id = purchases.id) ` + sortOrder)
+		case "po_date":
+			return db.Order("purchases.po_date " + sortOrder)
+		case "received_date":
+			return db.Order(`(SELECT MIN(pi2.received_date) FROM purchase_items pi2 WHERE pi2.purchase_id = purchases.id) ` + sortOrder)
+		case "due_date":
+			return db.Order("purchases.due_date " + sortOrder)
+		case "status":
+			return db.Order(`(SELECT COALESCE(a.step_name, '') FROM approvals a
+				 WHERE a.approvable_type = 'purchase' AND a.approvable_id = purchases.id
+				 ORDER BY a.action_at DESC, a.id DESC LIMIT 1) ` + sortOrder)
+		case "created_at":
+			return db.Order("purchases.created_at " + sortOrder)
+		default:
+			return db.Order("created_at DESC").Order("purchases.id DESC")
+		}
 	})
 
 	if err != nil {

internal/modules/purchases/validations/purchase.validation.go

@@ -81,4 +81,6 @@ type Query struct {
 	Search                string `query:"search" validate:"omitempty,max=100"`
 	CreatedFrom           string `query:"created_from" validate:"omitempty,datetime=2006-01-02"`
 	CreatedTo             string `query:"created_to" validate:"omitempty,datetime=2006-01-02"`
+	SortBy                string `query:"sort_by" validate:"omitempty,oneof=po_expedition supplier requester_name products location po_date received_date due_date status created_at"`
+	SortOrder             string `query:"sort_order" validate:"omitempty,oneof=asc desc ASC DESC"`
 }