实现TemplateService模板服务数据库集成

- TemplateService使用ITemplateRepository实现模板CRUD操作
- 实现GetAllTemplatesAsync、GetTemplateByIdAsync、CreateTemplateAsync等
- 实现EnableTemplateAsync、DisableTemplateAsync、CloneTemplateAsync等
- 修正CNCBrandTemplate属性名(无TemplateName，使用BrandName)
- dotnet build 0 Error

Haoliang.Core/Services/StubServices.cs

@@ -388,17 +388,101 @@ namespace Haoliang.Core.Services
     #region ========== 模板服务 ==========
     public class TemplateService : ITemplateService
     {
-        public Task<IEnumerable<CNCBrandTemplate>> GetAllTemplatesAsync() => Task.FromResult<IEnumerable<CNCBrandTemplate>>(new List<CNCBrandTemplate>());
-        public Task<CNCBrandTemplate?> GetTemplateByIdAsync(int templateId) => Task.FromResult<CNCBrandTemplate?>(null);
-        public Task<CNCBrandTemplate> CreateTemplateAsync(CNCBrandTemplate template) => Task.FromResult(template);
-        public Task<CNCBrandTemplate?> UpdateTemplateAsync(int templateId, CNCBrandTemplate template) => Task.FromResult<CNCBrandTemplate?>(null);
-        public Task<bool> DeleteTemplateAsync(int templateId) => Task.FromResult(true);
-        public Task<bool> EnableTemplateAsync(int templateId) => Task.FromResult(true);
-        public Task<bool> DisableTemplateAsync(int templateId) => Task.FromResult(true);
-        public Task<CNCBrandTemplate> CloneTemplateAsync(int templateId, string newName) => Task.FromResult<CNCBrandTemplate>(null);
+        private readonly ITemplateRepository _templateRepository;
+        
+        public TemplateService(ITemplateRepository templateRepository)
+        {
+            _templateRepository = templateRepository;
+        }
+        
+        public async Task<IEnumerable<CNCBrandTemplate>> GetAllTemplatesAsync()
+        {
+            return await _templateRepository.GetAllAsync();
+        }
+        
+        public async Task<CNCBrandTemplate?> GetTemplateByIdAsync(int templateId)
+        {
+            return await _templateRepository.GetByIdAsync(templateId);
+        }
+        
+        public async Task<CNCBrandTemplate> CreateTemplateAsync(CNCBrandTemplate template)
+        {
+            template.CreatedAt = DateTime.Now;
+            template.UpdatedAt = DateTime.Now;
+            template.IsEnabled = true;
+            await _templateRepository.AddAsync(template);
+            await _templateRepository.SaveAsync();
+            return template;
+        }
+        
+        public async Task<CNCBrandTemplate?> UpdateTemplateAsync(int templateId, CNCBrandTemplate template)
+        {
+            var existing = await _templateRepository.GetByIdAsync(templateId);
+            if (existing == null) return null;
+            
+            existing.BrandName = template.BrandName;
+            existing.Description = template.Description;
+            existing.FieldMappings = template.FieldMappings;
+            existing.UpdatedAt = DateTime.Now;
+            
+            _templateRepository.Update(existing);
+            await _templateRepository.SaveAsync();
+            return existing;
+        }
+        
+        public async Task<bool> DeleteTemplateAsync(int templateId)
+        {
+            var template = await _templateRepository.GetByIdAsync(templateId);
+            if (template == null) return false;
+            
+            _templateRepository.Remove(template);
+            return await _templateRepository.SaveAsync() > 0;
+        }
+        
+        public async Task<bool> EnableTemplateAsync(int templateId)
+        {
+            await _templateRepository.UpdateTemplateEnabledAsync(templateId, true);
+            return true;
+        }
+        
+        public async Task<bool> DisableTemplateAsync(int templateId)
+        {
+            await _templateRepository.UpdateTemplateEnabledAsync(templateId, false);
+            return true;
+        }
+        
+        public async Task<CNCBrandTemplate> CloneTemplateAsync(int templateId, string newName)
+        {
+            var original = await _templateRepository.GetByIdAsync(templateId);
+            if (original == null) return null;
+            
+            var cloned = new CNCBrandTemplate
+            {
+                BrandName = newName,
+                Description = original.Description + " (Cloned)",
+                FieldMappings = original.FieldMappings,
+                IsEnabled = false,
+                CreatedAt = DateTime.Now,
+                UpdatedAt = DateTime.Now
+            };
+            
+            await _templateRepository.AddAsync(cloned);
+            await _templateRepository.SaveAsync();
+            return cloned;
+        }
+        
         public Task TestTemplateAsync(int templateId) => Task.CompletedTask;
-        public Task<IEnumerable<CNCBrandTemplate>> GetTemplatesByBrandAsync(string brandName) => Task.FromResult<IEnumerable<CNCBrandTemplate>>(new List<CNCBrandTemplate>());
-        public Task<IEnumerable<CNCBrandTemplate>> GetActiveTemplatesAsync() => Task.FromResult<IEnumerable<CNCBrandTemplate>>(new List<CNCBrandTemplate>());
+        
+        public async Task<IEnumerable<CNCBrandTemplate>> GetTemplatesByBrandAsync(string brandName)
+        {
+            return await _templateRepository.FindAsync(t => t.BrandName == brandName);
+        }
+        
+        public async Task<IEnumerable<CNCBrandTemplate>> GetActiveTemplatesAsync()
+        {
+            return await _templateRepository.GetEnabledTemplatesAsync();
+        }
+        
         public Task<bool> ValidateTemplateAsync(CNCBrandTemplate template) => Task.FromResult(true);
     }