BusinessLogic

Forum/Forum.sln

@@ -9,6 +9,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ForumDataModels", "ForumDat
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ForumContracts", "ForumContracts\ForumContracts.csproj", "{5C97629C-A864-4DF7-9371-04F7E6CE0E71}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ForumBusinessLogic", "ForumBusinessLogic\ForumBusinessLogic.csproj", "{ED013C29-0AF9-427C-8967-7B003E297B8B}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -27,6 +29,10 @@ Global
 		{5C97629C-A864-4DF7-9371-04F7E6CE0E71}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{5C97629C-A864-4DF7-9371-04F7E6CE0E71}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{5C97629C-A864-4DF7-9371-04F7E6CE0E71}.Release|Any CPU.Build.0 = Release|Any CPU
+		{ED013C29-0AF9-427C-8967-7B003E297B8B}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{ED013C29-0AF9-427C-8967-7B003E297B8B}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{ED013C29-0AF9-427C-8967-7B003E297B8B}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{ED013C29-0AF9-427C-8967-7B003E297B8B}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

Forum/ForumBusinessLogic/CategoryLogic.cs

@@ -0,0 +1,103 @@
+using ForumContracts.BindingModels;
+using ForumContracts.BusinessLogicContracts;
+using ForumContracts.SearchModels;
+using ForumContracts.StoragesContracts;
+using ForumContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ForumBusinessLogic
+{
+    public class CategoryLogic : ICategoryLogic
+    {
+        private readonly ICategoryStorage _categoryStorage;
+
+        public CategoryLogic(ICategoryStorage categoryStorage)
+        {
+            _categoryStorage = categoryStorage;
+        }
+
+        public bool Create(CategoryBindingModel model)
+        {
+            CheckModel(model);
+            if (_categoryStorage.Insert(model) == null)
+            {
+                return false;
+            }
+            return true;
+        }
+
+        public bool Delete(CategoryBindingModel model)
+        {
+            CheckModel(model, false);
+            if (_categoryStorage.Delete(model) == null)
+            {
+                return false;
+            }
+            return true;
+        }
+
+        public CategoryViewModel? ReadElement(CategorySearchModel model)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            var element = _categoryStorage.GetElement(model);
+            if (element == null)
+            {
+                return null;
+            }
+            return element;
+        }
+
+        public List<CategoryViewModel>? ReadList(CategorySearchModel? model)
+        {
+            var list = model == null ? _categoryStorage.GetFullList() : _categoryStorage.GetFilteredList(model);
+            if (list == null)
+            {
+                return null;
+            }
+            return list;
+        }
+
+        public bool Update(CategoryBindingModel model)
+        {
+            CheckModel(model);
+            if (_categoryStorage.Update(model) == null)
+            {
+                return false;
+            }
+            return true;
+        }
+
+        private void CheckModel(CategoryBindingModel model, bool withParams = true)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            if (!withParams)
+            {
+                return;
+            }
+            if (string.IsNullOrEmpty(model.Name))
+            {
+                throw new ArgumentNullException("Нет названия категории", nameof(model.Name));
+            }
+
+            var element = _categoryStorage.GetElement(new CategorySearchModel
+                {
+                    Name = model.Name
+                }
+            );
+            if (element != null && element.Id != model.Id)
+            {
+                throw new InvalidOperationException("Категория с таким названием уже есть");
+            }
+        }
+    }
+}

Forum/ForumBusinessLogic/ForumBusinessLogic.csproj

@@ -0,0 +1,13 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\ForumContracts\ForumContracts.csproj" />
+  </ItemGroup>
+
+</Project>

Forum/ForumBusinessLogic/MessageLogic.cs

@@ -0,0 +1,89 @@
+using ForumContracts.BindingModels;
+using ForumContracts.BusinessLogicContracts;
+using ForumContracts.SearchModels;
+using ForumContracts.StoragesContracts;
+using ForumContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ForumBusinessLogic
+{
+    public class MessageLogic : IMessageLogic
+    {
+        private readonly IMessageStorage _messageStorage;
+
+        public MessageLogic(IMessageStorage messageStorage)
+        {
+            _messageStorage = messageStorage;
+        }
+
+        public bool Create(MessageBindingModel model)
+        {
+            CheckModel(model);
+            if (_messageStorage.Insert(model) == null)
+            {
+                return false;
+            }
+            return true;
+        }
+
+        public bool Delete(MessageBindingModel model)
+        {
+            CheckModel(model, false);
+            if (_messageStorage.Delete(model) == null)
+            {
+                return false;
+            }
+            return true;
+        }
+
+        public MessageViewModel? ReadElement(MessageSearchModel model)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            var element = _messageStorage.GetElement(model);
+            if (element == null)
+            {
+                return null;
+            }
+            return element;
+        }
+
+        public List<MessageViewModel>? ReadList(MessageSearchModel? model)
+        {
+            var list = model == null ? _messageStorage.GetFullList() : _messageStorage.GetFilteredList(model);
+            if (list == null)
+            {
+                return null;
+            }
+            return list;
+        }
+
+        public bool Update(MessageBindingModel model)
+        {
+            CheckModel(model);
+            if (_messageStorage.Update(model) == null)
+            {
+                return false;
+            }
+            return true;
+        }
+
+        private void CheckModel(MessageBindingModel model, bool withParams = true)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            if (!withParams)
+            {
+                return;
+            }
+        }
+    }
+}

Forum/ForumBusinessLogic/RoleLogic.cs

@@ -0,0 +1,103 @@
+using ForumContracts.BindingModels;
+using ForumContracts.BusinessLogicContracts;
+using ForumContracts.SearchModels;
+using ForumContracts.StoragesContracts;
+using ForumContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ForumBusinessLogic
+{
+    public class RoleLogic : IRoleLogic
+    {
+        private readonly IRoleStorage _roleStorage;
+
+        public RoleLogic(IRoleStorage roleStorage)
+        {
+            _roleStorage = roleStorage;
+        }
+
+        public bool Create(RoleBindingModel model)
+        {
+            CheckModel(model);
+            if (_roleStorage.Insert(model) == null)
+            {
+                return false;
+            }
+            return true;
+        }
+
+        public bool Delete(RoleBindingModel model)
+        {
+            CheckModel(model, false);
+            if (_roleStorage.Delete(model) == null)
+            {
+                return false;
+            }
+            return true;
+        }
+
+        public RoleViewModel? ReadElement(RoleSearchModel model)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            var element = _roleStorage.GetElement(model);
+            if (element == null)
+            {
+                return null;
+            }
+            return element;
+        }
+
+        public List<RoleViewModel>? ReadList(RoleSearchModel? model)
+        {
+            var list = model == null ? _roleStorage.GetFullList() : _roleStorage.GetFilteredList(model);
+            if (list == null)
+            {
+                return null;
+            }
+            return list;
+        }
+
+        public bool Update(RoleBindingModel model)
+        {
+            CheckModel(model);
+            if (_roleStorage.Update(model) == null)
+            {
+                return false;
+            }
+            return true;
+        }
+
+        private void CheckModel(RoleBindingModel model, bool withParams = true)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            if (!withParams)
+            {
+                return;
+            }
+            if (string.IsNullOrEmpty(model.Name))
+            {
+                throw new ArgumentNullException("Нет названия роли", nameof(model.Name));
+            }
+
+            var element = _roleStorage.GetElement(new RoleSearchModel
+            {
+                Name = model.Name
+            }
+            );
+            if (element != null && element.Id != model.Id)
+            {
+                throw new InvalidOperationException("Роль с таким названием уже есть");
+            }
+        }
+    }
+}

Forum/ForumBusinessLogic/TopicLogic.cs

@@ -0,0 +1,103 @@
+using ForumContracts.BindingModels;
+using ForumContracts.BusinessLogicContracts;
+using ForumContracts.SearchModels;
+using ForumContracts.StoragesContracts;
+using ForumContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ForumBusinessLogic
+{
+    public class TopicLogic : ITopicLogic
+    {
+        private readonly ITopicStorage _topicStorage;
+
+        public TopicLogic(ITopicStorage topicStorage)
+        {
+            _topicStorage = topicStorage;
+        }
+
+        public bool Create(TopicBindingModel model)
+        {
+            CheckModel(model);
+            if (_topicStorage.Insert(model) == null)
+            {
+                return false;
+            }
+            return true;
+        }
+
+        public bool Delete(TopicBindingModel model)
+        {
+            CheckModel(model, false);
+            if (_topicStorage.Delete(model) == null)
+            {
+                return false;
+            }
+            return true;
+        }
+
+        public TopicViewModel? ReadElement(TopicSearchModel model)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            var element = _topicStorage.GetElement(model);
+            if (element == null)
+            {
+                return null;
+            }
+            return element;
+        }
+
+        public List<TopicViewModel>? ReadList(TopicSearchModel? model)
+        {
+            var list = model == null ? _topicStorage.GetFullList() : _topicStorage.GetFilteredList(model);
+            if (list == null)
+            {
+                return null;
+            }
+            return list;
+        }
+
+        public bool Update(TopicBindingModel model)
+        {
+            CheckModel(model);
+            if (_topicStorage.Update(model) == null)
+            {
+                return false;
+            }
+            return true;
+        }
+
+        private void CheckModel(TopicBindingModel model, bool withParams = true)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            if (!withParams)
+            {
+                return;
+            }
+            if (string.IsNullOrEmpty(model.Name))
+            {
+                throw new ArgumentNullException("Нет названия темы", nameof(model.Name));
+            }
+
+            var element = _topicStorage.GetElement(new TopicSearchModel
+            {
+                Name = model.Name
+            }
+            );
+            if (element != null && element.Id != model.Id)
+            {
+                throw new InvalidOperationException("Тема с таким названием уже есть");
+            }
+        }
+    }
+}

Forum/ForumBusinessLogic/UserLogic.cs

@@ -0,0 +1,111 @@
+using ForumContracts.BindingModels;
+using ForumContracts.BusinessLogicContracts;
+using ForumContracts.SearchModels;
+using ForumContracts.StoragesContracts;
+using ForumContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ForumBusinessLogic
+{
+    public class UserLogic : IUserLogic
+    {
+        private readonly IUserStorage _userStorage;
+
+        public UserLogic(IUserStorage userStorage)
+        {
+            _userStorage = userStorage;
+        }
+        public bool Create(UserBindingModel model)
+        {
+            CheckModel(model);
+            if (_userStorage.Insert(model) == null)
+            {
+                return false;
+            }
+            return true;
+        }
+
+        public bool Delete(UserBindingModel model)
+        {
+            CheckModel(model, false);
+            if (_userStorage.Delete(model) == null)
+            {
+                return false;
+            }
+            return true;
+        }
+
+        public UserViewModel? ReadElement(UserSearchModel model)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            var element = _userStorage.GetElement(model);
+            if (element == null)
+            {
+                return null;
+            }
+            return element;
+        }
+
+        public List<UserViewModel>? ReadList(UserSearchModel? model)
+        {
+            var list = model == null ? _userStorage.GetFullList() : _userStorage.GetFilteredList(model);
+            if (list == null)
+            {
+                return null;
+            }
+            return list;
+        }
+
+        public bool Update(UserBindingModel model)
+        {
+            CheckModel(model);
+            if (_userStorage.Update(model) == null)
+            {
+                return false;
+            }
+            return true;
+        }
+
+        private void CheckModel(UserBindingModel model, bool withParams = true)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            if (!withParams)
+            {
+                return;
+            }
+            if (string.IsNullOrEmpty(model.Username))
+            {
+                throw new ArgumentNullException("Нет имени пользователя", nameof(model.Username));
+            }
+            if (string.IsNullOrEmpty(model.Email))
+            {
+                throw new ArgumentNullException("Нет почты", nameof(model.Email));
+            }
+            if (string.IsNullOrEmpty(model.Password))
+            {
+                throw new ArgumentNullException("Нет пароля", nameof(model.Password));
+            }
+
+            var element = _userStorage.GetElement(new UserSearchModel
+            {
+                Username = model.Username,
+                Email = model.Email,
+            }
+            );
+            if (element != null && element.Id != model.Id)
+            {
+                throw new InvalidOperationException("Пользователь с такими данными уже есть");
+            }
+        }
+    }
+}