change price logic on the ,rule engine ui, auto generate the contrat

apps/edr-freight-api/src/modules/rule-engine/services/yards.service.ts

@@ -1,15 +1,18 @@
 import { ConflictException, Inject, Injectable, NotFoundException } from '@nestjs/common';
 import { generateCode } from '../../../common/utils/generate-code.util';
 import { CreateYardDto } from '../dto/create-yard.dto';
+import { ReorderItemsDto } from '../dto/reorder-items.dto';
 import { UpdateYardDto } from '../dto/update-yard.dto';
 import { Yard } from '../entities/yard.entity';
 import { IYardsRepository, YARDS_REPOSITORY } from '../interfaces/yards.repository.interface';
+import { DisplayOrderService } from './display-order.service';
 
 @Injectable()
 export class YardsService {
   constructor(
     @Inject(YARDS_REPOSITORY)
     private readonly repository: IYardsRepository,
+    private readonly displayOrder: DisplayOrderService,
   ) {}
 
   /** List yards with pagination. */
@@ -20,7 +23,7 @@ export class YardsService {
     pageSize?: number;
   }): Promise<{ data: Yard[]; meta: { total: number; page: number; pageSize: number; totalPages: number } }> {
     const page = filter.page ?? 1;
-    const pageSize = filter.pageSize ?? 20;
+    const pageSize = filter.pageSize ?? 10;
     const where: Record<string, unknown> = {};
     if (filter.isActive !== undefined) where.isActive = filter.isActive;
     if (filter.country) where.country = filter.country;
@@ -46,12 +49,18 @@ export class YardsService {
     const code = generateCode(dto.label);
     const existing = await this.repository.findByCode(code);
     if (existing) throw new ConflictException(`Yard with label "${dto.label}" conflicts with existing code "${code}"`);
+
+    const displayOrder = await this.displayOrder.resolveCreateOrder(Yard, 'displayOrder', {
+      explicitOrder: dto.displayOrder,
+      insertAfterId: dto.insertAfterId,
+    });
+
     return this.repository.create({
       code,
       label: dto.label,
       country: dto.country,
       isActive: dto.isActive ?? true,
-      displayOrder: dto.displayOrder ?? 1,
+      displayOrder,
     });
   }
 
@@ -68,4 +77,13 @@ export class YardsService {
     await this.findById(id);
     await this.repository.softDelete(id);
   }
+
+  async reorder(dto: ReorderItemsDto): Promise<void> {
+    await this.displayOrder.reorderByIds(Yard, 'displayOrder', dto.ids);
+  }
+
+  async moveOrder(id: string, direction: 'up' | 'down'): Promise<void> {
+    await this.findById(id);
+    await this.displayOrder.moveOne(Yard, 'displayOrder', id, direction);
+  }
 }