add: 师傅实体和服务类型

modules/admin/src/KonSoft.Admin.Application/ApplicationServices/ServiceCategoryAppService.cs

@@ -0,0 +1,75 @@
+using KonSoft.Admin.Dtos;
+using KonSoft.Admin.Entities;
+using KonSoft.Admin.IApplicationServices;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Volo.Abp.Application.Services;
+using Volo.Abp.Domain.Repositories;
+
+namespace KonSoft.Admin.ApplicationServices
+{
+    public class ServiceCategoryAppService : ApplicationService, IServiceCategoryAppService
+    {
+        private readonly IRepository<ServiceCategory, Guid> _repository;
+
+
+        public ServiceCategoryAppService(IRepository<ServiceCategory, Guid> repository)
+        {
+            _repository = repository;
+        }
+
+        public async Task<ServiceCategoryDto> CreateAsync(CreateServiceCategoryDto input)
+        {
+            ServiceCategory parent = null;
+            if (input.ParentId.HasValue)
+            {
+                parent = await _repository.GetAsync(input.ParentId.Value);
+            }
+
+            var category = new ServiceCategory(Guid.NewGuid(), input.Name);
+            category.SetParent(parent);
+
+
+            await _repository.InsertAsync(category);
+
+
+            return ObjectMapper.Map<ServiceCategory, ServiceCategoryDto>(category);
+        }
+
+        public async Task DeleteAsync(Guid id)
+        {
+            var hasChildren = await _repository.AnyAsync(c => c.ParentId == id);
+            if (hasChildren) throw new InvalidOperationException("存在子节点无法删除!");
+
+
+            await _repository.DeleteAsync(o => o.Id == id);
+        }
+
+        public async Task<List<ServiceCategoryDto>> GetTreeAsync()
+        {
+            var allCategories = await _repository.GetListAsync();
+
+            // 构建树
+            var lookup = allCategories.ToDictionary(c => c.Id, c => ObjectMapper.Map<ServiceCategory, ServiceCategoryDto>(c));
+            var rootList = new List<ServiceCategoryDto>();
+
+
+            foreach (var dto in lookup.Values)
+            {
+                if (dto.ParentId.HasValue && lookup.ContainsKey(dto.ParentId.Value))
+                {
+                    lookup[dto.ParentId.Value].Children.Add(dto);
+                }
+                else
+                {
+                    rootList.Add(dto);
+                }
+            }
+
+            return rootList.OrderBy(c => c.Name).ToList();
+        }
+    }
+}