Lab8

NewsBlog/NewsBlog.sln

@@ -5,9 +5,11 @@ VisualStudioVersion = 17.8.34330.188
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "NewsBlogView", "NewsBlogView\NewsBlogView.csproj", "{13D9F9B7-6693-4D26-8178-08389235382C}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "NewsBlogAbstractions", "NewsBlogAbstractions\NewsBlogAbstractions.csproj", "{22CA3930-4C19-4623-9B58-C42A48B45576}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "NewsBlogAbstractions", "NewsBlogAbstractions\NewsBlogAbstractions.csproj", "{22CA3930-4C19-4623-9B58-C42A48B45576}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "NewsBlogDatabaseImplementation", "NewsBlogDatabaseImplementation\NewsBlogDatabaseImplementation.csproj", "{1DA49583-881B-4E05-A128-AEB692A174B4}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "NewsBlogDatabaseImplementation", "NewsBlogDatabaseImplementation\NewsBlogDatabaseImplementation.csproj", "{1DA49583-881B-4E05-A128-AEB692A174B4}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "NewsBlogMongoDB", "NewsBlogMongoDB\NewsBlogMongoDB.csproj", "{223BAF22-6898-427D-A5D2-6D32BC50BD30}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -27,6 +29,10 @@ Global
 		{1DA49583-881B-4E05-A128-AEB692A174B4}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{1DA49583-881B-4E05-A128-AEB692A174B4}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{1DA49583-881B-4E05-A128-AEB692A174B4}.Release|Any CPU.Build.0 = Release|Any CPU
+		{223BAF22-6898-427D-A5D2-6D32BC50BD30}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{223BAF22-6898-427D-A5D2-6D32BC50BD30}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{223BAF22-6898-427D-A5D2-6D32BC50BD30}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{223BAF22-6898-427D-A5D2-6D32BC50BD30}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

NewsBlog/NewsBlogMongoDB/ImplementationMongoDB.cs

@@ -0,0 +1,198 @@
+using MongoDB.Driver;
+using NewsBlogAbstractions.Models;
+using NewsBlogMongoDB.Models;
+using NewsBlogMongoDB.StoragesContracts;
+using Tag = NewsBlogAbstractions.Models.Tag;
+
+namespace NewsBlogMongoDB
+{
+	public class ImplementationMongoDB: StorageModel
+	{
+		private IMongoDatabase _database;
+		private IMongoCollection<ArticleMongo> _articleCollection;
+		private IMongoCollection<AuthorMongo> _authorCollection;
+		private IMongoCollection<CategoryMongo> _categoryCollection;
+		private IMongoCollection<CommentMongo> _CommentCollection;
+		private IMongoCollection<TagMongo> _TagCollection;
+		private IMongoCollection<Sequence> _SequenceCollection;
+
+		public ImplementationMongoDB()
+		{
+			var client = new MongoClient("mongodb://localhost:27017");
+			_database = client.GetDatabase("NewsBlog");
+
+			_articleCollection = _database.GetCollection<ArticleMongo>("article");
+			_authorCollection = _database.GetCollection<AuthorMongo>("author");
+			_categoryCollection = _database.GetCollection<CategoryMongo>("category");
+			_CommentCollection = _database.GetCollection<CommentMongo>("comment");
+			_TagCollection = _database.GetCollection<TagMongo>("tag");
+			_SequenceCollection = _database.GetCollection<Sequence>("sequence");
+		}
+
+		// article
+		public override void AddArticle(Article article)
+		{
+			string Author_id = GetMongoId("Author", article.AuthorId.ToString());
+			string Category_id = GetMongoId("Category", article.CategoryId.ToString());
+
+			var art = new ArticleMongo(article, Author_id, Category_id);
+			_articleCollection.InsertOne(art);
+
+			var seq = new Sequence { Sql_id = article.Id.ToString(), Mongo_id = art.Id, Table_name = "Article"};
+			_SequenceCollection.InsertOne(seq);
+		}
+
+		public override List<ArticleMongo> GetArticles()
+		{
+			return _articleCollection.Find(_ => true).ToList();
+		}
+
+		public override ArticleMongo GetArticleById(string id)
+		{
+			return _articleCollection.Find(article => article.Id == id).FirstOrDefault();
+		}
+
+		public override void UpdateArticle(ArticleMongo article)
+		{
+			_articleCollection.ReplaceOne(c => c.Id == article.Id, article);
+		}
+
+		public override void DeleteArticle(string id)
+		{
+			_articleCollection.DeleteOne(article => article.Id == id);
+		}
+
+		// Author
+		public override void AddAuthor(Author author)
+		{
+			var art = new AuthorMongo(author);
+			_authorCollection.InsertOne(art);
+
+			var seq = new Sequence { Sql_id = author.Id.ToString(), Mongo_id = art.Id, Table_name = "Author" };
+			_SequenceCollection.InsertOne(seq);
+		}
+
+		public override List<AuthorMongo> GetAuthors()
+		{
+			return _authorCollection.Find(_ => true).ToList();
+		}
+
+		public override AuthorMongo GetAuthorById(string id)
+		{
+			return _authorCollection.Find(author => author.Id == id).FirstOrDefault();
+		}
+
+		public override void UpdateAuthor(AuthorMongo author)
+		{
+			_authorCollection.ReplaceOne(c => c.Id == author.Id, author);
+		}
+
+		public override void DeleteAuthor(string id)
+		{
+			_authorCollection.DeleteOne(author => author.Id == id);
+		}
+
+		// Category
+		public override void AddCategory(Category category)
+		{
+			var cat = new CategoryMongo(category);
+			_categoryCollection.InsertOne(cat);
+
+			var seq = new Sequence { Sql_id = category.Id.ToString(), Mongo_id = cat.Id, Table_name = "Category" };
+			_SequenceCollection.InsertOne(seq);
+		}
+
+		public override List<CategoryMongo> GetCategorys()
+		{
+			return _categoryCollection.Find(_ => true).ToList();
+		}
+
+		public override CategoryMongo GetCategoryById(string id)
+		{
+			return _categoryCollection.Find(category => category.Id == id).FirstOrDefault();
+		}
+
+		public override void UpdateCategory(CategoryMongo category)
+		{
+			_categoryCollection.ReplaceOne(r => r.Id == category.Id, category);
+		}
+
+		public override void DeleteCategory(string id)
+		{
+			_categoryCollection.DeleteOne(category => category.Id == id);
+		}
+
+		// Comment
+		public override void AddComment(Comment Comment)
+		{
+			string ArticleId = GetMongoId("Article", Comment.ArticleId.ToString());
+
+			_CommentCollection.InsertOne(new CommentMongo(Comment, ArticleId));
+		}
+
+		public override List<CommentMongo> GetComments()
+		{
+			return _CommentCollection.Find(_ => true).ToList();
+		}
+
+		public override CommentMongo GetCommentById(string id)
+		{
+			return _CommentCollection.Find(model => model.Id == id).FirstOrDefault();
+		}
+
+		public override void UpdateComment(CommentMongo Comment)
+		{
+			_CommentCollection.ReplaceOne(m => m.Id == Comment.Id, Comment);
+		}
+
+		public override void DeleteComment(string id)
+		{
+			_CommentCollection.DeleteOne(model => model.Id == id);
+		}
+
+		// Tag
+		public override void AddTag(Tag Tag)
+		{
+			string ArticleId = GetMongoId("Article", Tag.ArticleId.ToString());
+
+			_TagCollection.InsertOne(new TagMongo(Tag, ArticleId));
+		}
+
+		public override List<TagMongo> GetTags()
+		{
+			return _TagCollection.Find(_ => true).ToList();
+		}
+
+		public override TagMongo GetTagById(string id)
+		{
+			return _TagCollection.Find(Tag => Tag.Id == id).FirstOrDefault();
+		}
+
+		public override void UpdateTag(TagMongo Tag)
+		{
+			_TagCollection.ReplaceOne(b => b.Id == Tag.Id, Tag);
+		}
+
+		public override void DeleteTag(string id)
+		{
+			_TagCollection.DeleteOne(Tag => Tag.Id == id);
+		}
+
+		public List<Sequence> GetSequence()
+		{
+			return _SequenceCollection.Find(_ => true).ToList();
+		}
+
+		public override string GetMongoId(string tableName, string sqlId)
+		{
+			var sequence = _SequenceCollection.Find(s => s.Table_name == tableName && s.Sql_id == sqlId).FirstOrDefault();
+
+			return sequence?.Mongo_id ?? string.Empty;
+		}
+
+		public void DeleteSequence(string id)
+		{
+			_SequenceCollection.DeleteOne(Sequence => Sequence.Id == id);
+		}
+	}
+}

NewsBlog/NewsBlogMongoDB/Models/ArticleMongo.cs

@@ -0,0 +1,34 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using MongoDB.Bson.Serialization.Attributes;
+using MongoDB.Bson;
+
+namespace NewsBlogMongoDB.Models
+{
+	public class ArticleMongo
+	{
+		[BsonId]
+		[BsonRepresentation(BsonType.ObjectId)]
+		public string Id { get; set; }
+		public string Title { get; set; } = string.Empty;
+		public string Content { get; set; } = string.Empty;
+		public string Publication_date { get; set; } = string.Empty;
+		public string Author_id { get; set; } = string.Empty;
+		public string Category_id { get; set; } = string.Empty;
+
+		public ArticleMongo(NewsBlogAbstractions.Models.Article model, string author_id, string category_id)
+		{
+			Title = model.Title;
+			Content = model.Content;
+			Publication_date = model.PublicationDate.ToString("d");
+			Author_id = author_id;
+			Category_id = category_id;
+		}
+		public ArticleMongo()
+		{
+		}
+	}
+}

NewsBlog/NewsBlogMongoDB/Models/AuthorMongo.cs

@@ -0,0 +1,31 @@
+using MongoDB.Bson.Serialization.Attributes;
+using MongoDB.Bson;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using NewsBlogAbstractions.Models;
+
+namespace NewsBlogMongoDB.Models
+{
+	public class AuthorMongo
+	{
+		[BsonId]
+		[BsonRepresentation(BsonType.ObjectId)]
+		public string Id { get; set; }
+		public string Name { get; set; } = string.Empty;
+		public string Description { get; set; } = string.Empty;
+		public string Phone { get; set; } = string.Empty;
+
+		public AuthorMongo(NewsBlogAbstractions.Models.Author model)
+		{
+			Name = model.Name;
+			Description = model.Description;
+			Phone = model.Phone;
+		}
+		public AuthorMongo()
+		{
+		}
+	}
+}

NewsBlog/NewsBlogMongoDB/Models/CategoryMongo.cs

@@ -0,0 +1,27 @@
+using MongoDB.Bson;
+using MongoDB.Bson.Serialization.Attributes;
+using NewsBlogAbstractions.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace NewsBlogMongoDB.Models
+{
+	public class CategoryMongo
+	{
+		[BsonId]
+		[BsonRepresentation(BsonType.ObjectId)]
+		public string Id { get; set; }
+		public string Name { get; set; } = string.Empty;
+
+		public CategoryMongo(NewsBlogAbstractions.Models.Category model)
+		{
+			Name = model.Name;
+		}
+		public CategoryMongo()
+		{
+		}
+	}
+}

NewsBlog/NewsBlogMongoDB/Models/CommentMongo.cs

@@ -0,0 +1,33 @@
+using MongoDB.Bson;
+using MongoDB.Bson.Serialization.Attributes;
+using NewsBlogAbstractions.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace NewsBlogMongoDB.Models
+{
+	public class CommentMongo
+	{
+		[BsonId]
+		[BsonRepresentation(BsonType.ObjectId)]
+		public string Id { get; set; }
+		public string Title { get; set; } = string.Empty;
+		public string Content { get; set; } = string.Empty;
+		public string Create_date { get; set; } = string.Empty;
+		public string Article_id { get; set; } = string.Empty;
+
+		public CommentMongo(NewsBlogAbstractions.Models.Comment model, string ArticleId)
+		{
+			Title = model.Title;
+			Content = model.Content;
+			Create_date = model.CreateDate.ToString("d");
+			Article_id = ArticleId;
+		}
+		public CommentMongo()
+		{
+		}
+	}
+}

NewsBlog/NewsBlogMongoDB/Models/Sequence.cs

@@ -0,0 +1,20 @@
+using MongoDB.Bson.Serialization.Attributes;
+using MongoDB.Bson;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace NewsBlogMongoDB.Models
+{
+	public class Sequence
+	{
+		[BsonId]
+		[BsonRepresentation(BsonType.ObjectId)]
+		public string Id { get; set; } = string.Empty;
+		public string Sql_id { get; set; } = string.Empty;
+		public string Mongo_id { get; set; } = string.Empty;
+		public string Table_name { get; set;} = string.Empty;
+	}
+}

NewsBlog/NewsBlogMongoDB/Models/TagMongo.cs

@@ -0,0 +1,31 @@
+using MongoDB.Bson.Serialization.Attributes;
+using MongoDB.Bson;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using NewsBlogAbstractions.Models;
+
+namespace NewsBlogMongoDB.Models
+{
+	public class TagMongo
+	{
+		[BsonId]
+		[BsonRepresentation(BsonType.ObjectId)]
+		public string Id { get; set; }
+		public string Name { get; set; } = string.Empty;
+		public string Decsription { get; set; } = string.Empty;
+		public string Article_id { get; set; } = string.Empty;
+
+		public TagMongo(NewsBlogAbstractions.Models.Tag model, string ArticleId)
+		{
+			Name = model.Name;
+			Decsription = model.Description;
+			Article_id = ArticleId;
+		}
+		public TagMongo()
+		{
+		}
+	}
+}

NewsBlog/NewsBlogMongoDB/NewsBlogMongoDB.csproj

@@ -0,0 +1,18 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="MongoDB.Driver" Version="2.25.0" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\NewsBlogAbstractions\NewsBlogAbstractions.csproj" />
+    <ProjectReference Include="..\NewsBlogDatabaseImplementation\NewsBlogDatabaseImplementation.csproj" />
+  </ItemGroup>
+
+</Project>

NewsBlog/NewsBlogMongoDB/StoragesContracts/StorageModel.cs

@@ -0,0 +1,50 @@
+using NewsBlogAbstractions.Models;
+using NewsBlogMongoDB.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace NewsBlogMongoDB.StoragesContracts
+{
+	public abstract class StorageModel
+	{
+		// Article
+		public abstract void AddArticle(Article article);
+		public abstract List<ArticleMongo> GetArticles();
+		public abstract ArticleMongo GetArticleById(string id);
+		public abstract void UpdateArticle(ArticleMongo article);
+		public abstract void DeleteArticle(string id);
+
+		// Author
+		public abstract void AddAuthor(Author author);
+		public abstract AuthorMongo GetAuthorById(string id);
+		public abstract List<AuthorMongo> GetAuthors();
+		public abstract void UpdateAuthor(AuthorMongo author);
+		public abstract void DeleteAuthor(string id);
+
+		// Category
+		public abstract void AddCategory(Category category);
+		public abstract CategoryMongo GetCategoryById(string id);
+		public abstract List<CategoryMongo> GetCategorys();
+		public abstract void UpdateCategory(CategoryMongo category);
+		public abstract void DeleteCategory(string id);
+
+		// Comment
+		public abstract void AddComment(Comment comment);
+		public abstract CommentMongo GetCommentById(string id);
+		public abstract List<CommentMongo> GetComments();
+		public abstract void UpdateComment(CommentMongo comment);
+		public abstract void DeleteComment(string id);
+
+		// Tag
+		public abstract void AddTag(Tag tag);
+		public abstract TagMongo GetTagById(string id);
+		public abstract List<TagMongo> GetTags();
+		public abstract void UpdateTag(TagMongo tag);
+		public abstract void DeleteTag(string id);
+
+		public abstract string GetMongoId(string tableName, string sqlId);
+	}
+}

NewsBlog/NewsBlogView/FormArticle.cs

@@ -1,5 +1,7 @@
 using NewsBlogAbstractions.Models;
 using NewsBlogAbstractions.WorkAbstractions;
+using NewsBlogMongoDB.Models;
+using NewsBlogMongoDB.StoragesContracts;
 using System;
 using System.Collections.Generic;
 using System.ComponentModel;
@@ -18,12 +20,14 @@ namespace NewsBlogView
 		private readonly IArticleWork _articleLogic;
 		private readonly IAuthorWork _authorLogic;
 		private readonly ICategoryWork _categoryLogic;
-		public FormArticle(IArticleWork articleLogic, IAuthorWork authorLogic, ICategoryWork categoryLogic)
+		private readonly StorageModel _mongoLogic;
+		public FormArticle(IArticleWork articleLogic, IAuthorWork authorLogic, ICategoryWork categoryLogic, StorageModel mongoLogic)
 		{
 			InitializeComponent();
 			_articleLogic = articleLogic;
 			_authorLogic = authorLogic;
 			_categoryLogic = categoryLogic;
+			_mongoLogic = mongoLogic;
 		}
 
 		private void FormArticle_Load(object sender, EventArgs e)
@@ -42,14 +46,19 @@ namespace NewsBlogView
 				CategoryId = ((Category?)comboBoxCategory.SelectedItem)?.Id ?? 0,
 			};
 
-			_articleLogic.Create(newArticle);
+			if (Program.isPostgreSQL)
+				_articleLogic.Create(newArticle);
+			else
+				_mongoLogic.AddArticle(newArticle);
 
 			LoadData();
 		}
 
 		private void LoadData()
 		{
-			var articles = _articleLogic.GetAll();
+			var articlesSql = _articleLogic.GetAll();
+			
+			var articlesMongo = _mongoLogic.GetArticles();
 
 			dataGridView.Rows.Clear();
 
@@ -82,11 +91,18 @@ namespace NewsBlogView
 			comboBoxCategory.DisplayMember = "Category";
 			comboBoxCategory.ValueMember = "Name";
 
-			foreach (var article in articles)
-			{
-				dataGridView.Rows.Add(article.Id, article.Title, article.Content, article.PublicationDate.ToString("d"), 
-					article.AuthorId, article.CategoryId, _authorLogic.Get(article.AuthorId)?.Name, _categoryLogic.Get(article.CategoryId)?.Name);
-			}
+			if(Program.isPostgreSQL)
+				foreach (var article in articlesSql)
+				{
+					dataGridView.Rows.Add(article.Id, article.Title, article.Content, article.PublicationDate.ToString("d"), 
+						article.AuthorId, article.CategoryId, _authorLogic.Get(article.AuthorId)?.Name, _categoryLogic.Get(article.CategoryId)?.Name);
+				}
+			else
+				foreach (var article in articlesMongo)
+				{
+					dataGridView.Rows.Add(article.Id, article.Title, article.Content, article.Publication_date,
+						article.Author_id, article.Category_id, _mongoLogic.GetAuthorById(article.Author_id)?.Name, _mongoLogic.GetCategoryById(article.Category_id)?.Name);
+				}
 		}
 
 		private void ButtonUpdate_Click(object sender, EventArgs e)
@@ -94,19 +110,37 @@ namespace NewsBlogView
 			if (dataGridView.SelectedRows.Count > 0)
 			{
 				DataGridViewRow selectedRow = dataGridView.SelectedRows[0];
-				int articleId = Convert.ToInt32(selectedRow.Cells["Id"].Value);
 
-				Article updatedArticle = new()
+				if (Program.isPostgreSQL)
 				{
-					Id = articleId,
-					Title = textBoxTitle.Text,
-					Content = textBoxContent.Text,
-					PublicationDate = DateTime.Now,
-					AuthorId = ((Author?)comboBoxAuthor.SelectedItem)?.Id ?? 0,
-					CategoryId = ((Category?)comboBoxCategory.SelectedItem)?.Id ?? 0,
-				};
+					int articleId = Convert.ToInt32(selectedRow.Cells["Id"].Value);
 
-				_articleLogic.Update(updatedArticle);
+					Article updatedArticle = new()
+					{
+						Id = articleId,
+						Title = textBoxTitle.Text,
+						Content = textBoxContent.Text,
+						PublicationDate = DateTime.Now,
+						AuthorId = ((Author?)comboBoxAuthor.SelectedItem)?.Id ?? 0,
+						CategoryId = ((Category?)comboBoxCategory.SelectedItem)?.Id ?? 0,
+					};
+					_articleLogic.Update(updatedArticle);
+				}
+				else
+				{
+					string? articleId = selectedRow.Cells["Id"].Value.ToString();
+
+					ArticleMongo updated = new()
+					{
+						Id = articleId,
+						Title = textBoxTitle.Text,
+						Content = textBoxContent.Text,
+						Publication_date = DateTime.Now.ToString("d"),
+						Author_id = _mongoLogic.GetMongoId("Author", ((Author?)comboBoxAuthor.SelectedItem)?.Id.ToString() ?? string.Empty),
+						Category_id = _mongoLogic.GetMongoId("Category", ((Category?)comboBoxCategory.SelectedItem)?.Id.ToString() ?? string.Empty),
+					};
+					_mongoLogic.UpdateArticle(updated);
+				}
 
 				LoadData();
 			}
@@ -121,9 +155,17 @@ namespace NewsBlogView
 			if (dataGridView.SelectedRows.Count > 0)
 			{
 				DataGridViewRow selectedRow = dataGridView.SelectedRows[0];
-				int articleId = Convert.ToInt32(selectedRow.Cells["Id"].Value);
 
-				_articleLogic.Delete(articleId);
+				if (Program.isPostgreSQL)
+				{
+					int articleId = Convert.ToInt32(selectedRow.Cells["Id"].Value);
+					_articleLogic.Delete(articleId);
+				}
+				else
+				{
+					string? articleIdMongo = selectedRow.Cells["Id"].Value.ToString();
+					_mongoLogic.DeleteArticle(articleIdMongo);
+				}
 
 				LoadData();
 			}

NewsBlog/NewsBlogView/FormAuthor.cs

@@ -1,5 +1,7 @@
 using NewsBlogAbstractions.Models;
 using NewsBlogAbstractions.WorkAbstractions;
+using NewsBlogMongoDB.Models;
+using NewsBlogMongoDB.StoragesContracts;
 using System;
 using System.Collections.Generic;
 using System.ComponentModel;
@@ -15,10 +17,12 @@ namespace NewsBlogView
 	public partial class FormAuthor : Form
 	{
 		private readonly IAuthorWork _authorLogic;
-		public FormAuthor(IAuthorWork authorLogic)
+		private readonly StorageModel _mongoLogic;
+		public FormAuthor(IAuthorWork authorLogic, StorageModel mongoLogic)
 		{
 			InitializeComponent();
 			_authorLogic = authorLogic;
+			_mongoLogic = mongoLogic;
 		}
 
 		private void FormAuthor_Load(object sender, EventArgs e)
@@ -35,7 +39,10 @@ namespace NewsBlogView
 				Phone = textBoxPhone.Text,
 			};
 
-			_authorLogic.Create(newAuthor);
+			if (Program.isPostgreSQL)
+				_authorLogic.Create(newAuthor);
+			else
+				_mongoLogic.AddAuthor(newAuthor);
 
 			LoadData();
 		}
@@ -43,6 +50,7 @@ namespace NewsBlogView
 		private void LoadData()
 		{
 			var authors = _authorLogic.GetAll();
+			var authorsMongo = _mongoLogic.GetAuthors();
 
 			dataGridView.Rows.Clear();
 
@@ -59,9 +67,19 @@ namespace NewsBlogView
 			dataGridView.Columns["Description"].AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill;
 			dataGridView.Columns["Phone"].AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill;
 
-			foreach (var author in authors)
+			if (Program.isPostgreSQL)
 			{
-				dataGridView.Rows.Add(author.Id, author.Name, author.Description, author.Phone);
+				foreach (var author in authors)
+				{
+					dataGridView.Rows.Add(author.Id, author.Name, author.Description, author.Phone);
+				}
+			}
+			else
+			{
+				foreach (var author in authorsMongo)
+				{
+					dataGridView.Rows.Add(author.Id, author.Name, author.Description, author.Phone);
+				}
 			}
 		}
 
@@ -70,17 +88,34 @@ namespace NewsBlogView
 			if (dataGridView.SelectedRows.Count > 0)
 			{
 				DataGridViewRow selectedRow = dataGridView.SelectedRows[0];
-				int authorId = Convert.ToInt32(selectedRow.Cells["Id"].Value);
-
-				Author updatedAuthor = new()
+				if (Program.isPostgreSQL)
 				{
-					Id = authorId,
-					Name = textBoxName.Text,
-					Description = textBoxDescription.Text,
-					Phone = textBoxPhone.Text,
-				};
+					int authorId = Convert.ToInt32(selectedRow.Cells["Id"].Value);
 
-				_authorLogic.Update(updatedAuthor);
+					Author updatedAuthor = new()
+					{
+						Id = authorId,
+						Name = textBoxName.Text,
+						Description = textBoxDescription.Text,
+						Phone = textBoxPhone.Text,
+					};
+
+					_authorLogic.Update(updatedAuthor);
+				}
+				else
+				{
+					string? authorId = selectedRow.Cells["Id"].Value.ToString();
+
+					AuthorMongo updatedAuthor = new()
+					{
+						Id = authorId,
+						Name = textBoxName.Text,
+						Description = textBoxDescription.Text,
+						Phone = textBoxPhone.Text,
+					};
+
+					_mongoLogic.UpdateAuthor(updatedAuthor);
+				}
 
 				LoadData();
 			}
@@ -95,9 +130,18 @@ namespace NewsBlogView
 			if (dataGridView.SelectedRows.Count > 0)
 			{
 				DataGridViewRow selectedRow = dataGridView.SelectedRows[0];
-				int authorId = Convert.ToInt32(selectedRow.Cells["Id"].Value);
+				if (Program.isPostgreSQL)
+				{
+					int authorId = Convert.ToInt32(selectedRow.Cells["Id"].Value);
 
-				_authorLogic.Delete(authorId);
+					_authorLogic.Delete(authorId);
+				}
+				else
+				{
+					string? authorId = selectedRow.Cells["Id"].Value.ToString();
+
+					_mongoLogic.DeleteAuthor(authorId);
+				}
 
 				LoadData();
 			}

NewsBlog/NewsBlogView/FormCategory.cs

@@ -1,5 +1,7 @@
 using NewsBlogAbstractions.Models;
 using NewsBlogAbstractions.WorkAbstractions;
+using NewsBlogMongoDB.Models;
+using NewsBlogMongoDB.StoragesContracts;
 using System;
 using System.Collections.Generic;
 using System.ComponentModel;
@@ -15,10 +17,12 @@ namespace NewsBlogView
 	public partial class FormCategory : Form
 	{
 		private readonly ICategoryWork _categoryLogic;
-		public FormCategory(ICategoryWork categoryLogic)
+		private readonly StorageModel _mongoLogic;
+		public FormCategory(ICategoryWork categoryLogic, StorageModel mongoLogic)
 		{
 			InitializeComponent();
 			_categoryLogic = categoryLogic;
+			_mongoLogic = mongoLogic;
 		}
 
 		private void FormCategory_Load(object sender, EventArgs e)
@@ -33,7 +37,10 @@ namespace NewsBlogView
 				Name = textBoxName.Text,
 			};
 
-			_categoryLogic.Create(newCategory);
+			if (Program.isPostgreSQL)
+				_categoryLogic.Create(newCategory);
+			else
+				_mongoLogic.AddCategory(newCategory);
 
 			LoadData();
 		}
@@ -41,6 +48,7 @@ namespace NewsBlogView
 		private void LoadData()
 		{
 			var categories = _categoryLogic.GetAll();
+			var categoriesMongo = _mongoLogic.GetCategorys();
 
 			dataGridView.Rows.Clear();
 
@@ -53,9 +61,19 @@ namespace NewsBlogView
 			dataGridView.Columns["Id"].AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill;
 			dataGridView.Columns["Name"].AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill;
 
-			foreach (var category in categories)
+			if (Program.isPostgreSQL)
 			{
-				dataGridView.Rows.Add(category.Id, category.Name);
+				foreach (var category in categories)
+				{
+					dataGridView.Rows.Add(category.Id, category.Name);
+				}
+			}
+			else
+			{
+				foreach (var category in categoriesMongo)
+				{
+					dataGridView.Rows.Add(category.Id, category.Name);
+				}
 			}
 		}
 
@@ -64,15 +82,30 @@ namespace NewsBlogView
 			if (dataGridView.SelectedRows.Count > 0)
 			{
 				DataGridViewRow selectedRow = dataGridView.SelectedRows[0];
-				int categoryId = Convert.ToInt32(selectedRow.Cells["Id"].Value);
-
-				Category updatedCategory = new()
+				if (Program.isPostgreSQL)
 				{
-					Id = categoryId,
-					Name = textBoxName.Text,
-				};
+					int categoryId = Convert.ToInt32(selectedRow.Cells["Id"].Value);
 
-				_categoryLogic.Update(updatedCategory);
+					Category updatedCategory = new()
+					{
+						Id = categoryId,
+						Name = textBoxName.Text,
+					};
+
+					_categoryLogic.Update(updatedCategory);
+				}
+				else
+				{
+					string? categoryId = selectedRow.Cells["Id"].Value.ToString();
+
+					CategoryMongo updatedCategory = new()
+					{
+						Id = categoryId,
+						Name = textBoxName.Text,
+					};
+
+					_mongoLogic.UpdateCategory(updatedCategory);
+				}
 
 				LoadData();
 			}
@@ -87,9 +120,18 @@ namespace NewsBlogView
 			if (dataGridView.SelectedRows.Count > 0)
 			{
 				DataGridViewRow selectedRow = dataGridView.SelectedRows[0];
-				int categoryId = Convert.ToInt32(selectedRow.Cells["Id"].Value);
+				if (Program.isPostgreSQL)
+				{
+					int categoryId = Convert.ToInt32(selectedRow.Cells["Id"].Value);
 
-				_categoryLogic.Delete(categoryId);
+					_categoryLogic.Delete(categoryId);
+				}
+				else
+				{
+					string? categoryId = selectedRow.Cells["Id"].Value.ToString();
+
+					_mongoLogic.DeleteCategory(categoryId);
+				}
 
 				LoadData();
 			}

NewsBlog/NewsBlogView/FormComment.cs

@@ -1,5 +1,7 @@
 using NewsBlogAbstractions.Models;
 using NewsBlogAbstractions.WorkAbstractions;
+using NewsBlogMongoDB.Models;
+using NewsBlogMongoDB.StoragesContracts;
 using System;
 using System.Collections.Generic;
 using System.ComponentModel;
@@ -16,11 +18,13 @@ namespace NewsBlogView
 	{
 		private readonly ICommentWork _commentLogic;
 		private readonly IArticleWork _articleLogic;
-		public FormComment(ICommentWork commentLogic, IArticleWork articleLogic)
+		private readonly StorageModel _mongoLogic;
+		public FormComment(ICommentWork commentLogic, IArticleWork articleLogic, StorageModel mongoLogic)
 		{
 			InitializeComponent();
 			_commentLogic = commentLogic;
 			_articleLogic = articleLogic;
+			_mongoLogic = mongoLogic;
 		}
 
 		private void FormComment_Load(object sender, EventArgs e)
@@ -38,15 +42,16 @@ namespace NewsBlogView
 				ArticleId = ((Article?)comboBoxArticle.SelectedItem)?.Id ?? 0,
 			};
 
-			_commentLogic.Create(newComment);
+			if (Program.isPostgreSQL)
+				_commentLogic.Create(newComment);
+			else
+				_mongoLogic.AddComment(newComment);
 
 			LoadData();
 		}
 
 		private void LoadData()
 		{
-			var comments = _commentLogic.GetAll();
-
 			dataGridView.Rows.Clear();
 
 			if (dataGridView.ColumnCount == 0)
@@ -70,10 +75,25 @@ namespace NewsBlogView
 			comboBoxArticle.DisplayMember = "Article";
 			comboBoxArticle.ValueMember = "Title";
 
-			foreach (var comment in comments)
+			if (Program.isPostgreSQL)
 			{
-				dataGridView.Rows.Add(comment.Id, comment.Title, comment.Content, comment.CreateDate.ToString("d"), comment.ArticleId, _articleLogic.Get(comment.ArticleId)?.Title);
+				var comments = _commentLogic.GetAll();
+
+				foreach (var comment in comments)
+				{
+					dataGridView.Rows.Add(comment.Id, comment.Title, comment.Content, comment.CreateDate.ToString("d"), comment.ArticleId, _articleLogic.Get(comment.ArticleId)?.Title);
+				}
 			}
+			else
+			{
+				var comments = _mongoLogic.GetComments();
+
+				foreach (var comment in comments)
+				{
+					dataGridView.Rows.Add(comment.Id, comment.Title, comment.Content, comment.Create_date, comment.Article_id, _mongoLogic.GetArticleById(comment.Article_id)?.Title);
+				}
+			}
+			
 		}
 
 		private void ButtonUpdate_Click(object sender, EventArgs e)
@@ -81,18 +101,36 @@ namespace NewsBlogView
 			if (dataGridView.SelectedRows.Count > 0)
 			{
 				DataGridViewRow selectedRow = dataGridView.SelectedRows[0];
-				int commentId = Convert.ToInt32(selectedRow.Cells["Id"].Value);
-
-				Comment updatedComment = new()
+				if (Program.isPostgreSQL)
 				{
-					Id = commentId,
-					Title = textBoxTitle.Text,
-					Content = textBoxContent.Text,
-					CreateDate = DateTime.Now,
-					ArticleId = ((Article?)comboBoxArticle.SelectedItem)?.Id ?? 0,
-				};
+					int commentId = Convert.ToInt32(selectedRow.Cells["Id"].Value);
 
-				_commentLogic.Update(updatedComment);
+					Comment updatedComment = new()
+					{
+						Id = commentId,
+						Title = textBoxTitle.Text,
+						Content = textBoxContent.Text,
+						CreateDate = DateTime.Now,
+						ArticleId = ((Article?)comboBoxArticle.SelectedItem)?.Id ?? 0,
+					};
+
+					_commentLogic.Update(updatedComment);
+				}
+				else
+				{
+					string? commentId = selectedRow.Cells["Id"].Value.ToString();
+
+					CommentMongo updatedComment = new()
+					{
+						Id = commentId,
+						Title = textBoxTitle.Text,
+						Content = textBoxContent.Text,
+						Create_date = DateTime.Now.ToString("d"),
+						Article_id = _mongoLogic.GetMongoId("Article", ((Article?)comboBoxArticle.SelectedItem)?.Id.ToString() ?? String.Empty),
+					};
+
+					_mongoLogic.UpdateComment(updatedComment);
+				}
 
 				LoadData();
 			}
@@ -107,9 +145,18 @@ namespace NewsBlogView
 			if (dataGridView.SelectedRows.Count > 0)
 			{
 				DataGridViewRow selectedRow = dataGridView.SelectedRows[0];
-				int commentId = Convert.ToInt32(selectedRow.Cells["Id"].Value);
+				if (Program.isPostgreSQL)
+				{
+					int commentId = Convert.ToInt32(selectedRow.Cells["Id"].Value);
 
-				_commentLogic.Delete(commentId);
+					_commentLogic.Delete(commentId);
+				}
+				else
+				{
+					string? commentId = selectedRow.Cells["Id"].Value.ToString();
+
+					_mongoLogic.DeleteComment(commentId);
+				}
 
 				LoadData();
 			}

NewsBlog/NewsBlogView/FormMain.Designer.cs

@@ -28,6 +28,7 @@
 		/// </summary>
 		private void InitializeComponent()
 		{
+			CheckBox MongoDB;
 			menuStrip1 = new MenuStrip();
 			справочникиToolStripMenuItem = new ToolStripMenuItem();
 			articleToolStripMenuItem = new ToolStripMenuItem();
@@ -41,7 +42,9 @@
 			get1000ToolStripMenuItem = new ToolStripMenuItem();
 			update1000ToolStripMenuItem = new ToolStripMenuItem();
 			delete1000ToolStripMenuItem = new ToolStripMenuItem();
+			updateMongoDBToolStripMenuItem = new ToolStripMenuItem();
 			labelTest = new Label();
+			MongoDB = new CheckBox();
 			menuStrip1.SuspendLayout();
 			SuspendLayout();
 			// 
@@ -51,8 +54,7 @@
 			menuStrip1.Items.AddRange(new ToolStripItem[] { справочникиToolStripMenuItem, замерВремениToolStripMenuItem, замерыВремениToolStripMenuItem });
 			menuStrip1.Location = new Point(0, 0);
 			menuStrip1.Name = "menuStrip1";
-			menuStrip1.Padding = new Padding(7, 3, 0, 3);
-			menuStrip1.Size = new Size(633, 30);
+			menuStrip1.Size = new Size(554, 24);
 			menuStrip1.TabIndex = 0;
 			menuStrip1.Text = "menuStrip1";
 			// 
@@ -60,102 +62,120 @@
 			// 
 			справочникиToolStripMenuItem.DropDownItems.AddRange(new ToolStripItem[] { articleToolStripMenuItem, authorToolStripMenuItem, categoryToolStripMenuItem, commentToolStripMenuItem, tagToolStripMenuItem });
 			справочникиToolStripMenuItem.Name = "справочникиToolStripMenuItem";
-			справочникиToolStripMenuItem.Size = new Size(117, 24);
+			справочникиToolStripMenuItem.Size = new Size(94, 20);
 			справочникиToolStripMenuItem.Text = "Справочники";
 			// 
 			// articleToolStripMenuItem
 			// 
 			articleToolStripMenuItem.Name = "articleToolStripMenuItem";
-			articleToolStripMenuItem.Size = new Size(157, 26);
+			articleToolStripMenuItem.Size = new Size(151, 22);
 			articleToolStripMenuItem.Text = "Статьи";
 			articleToolStripMenuItem.Click += articleToolStripMenuItem_Click;
 			// 
 			// authorToolStripMenuItem
 			// 
 			authorToolStripMenuItem.Name = "authorToolStripMenuItem";
-			authorToolStripMenuItem.Size = new Size(157, 26);
+			authorToolStripMenuItem.Size = new Size(151, 22);
 			authorToolStripMenuItem.Text = "Авторы";
 			authorToolStripMenuItem.Click += authorToolStripMenuItem_Click;
 			// 
-			// CategoryToolStripMenuItem
+			// categoryToolStripMenuItem
 			// 
 			categoryToolStripMenuItem.Name = "categoryToolStripMenuItem";
-			categoryToolStripMenuItem.Size = new Size(157, 26);
+			categoryToolStripMenuItem.Size = new Size(151, 22);
 			categoryToolStripMenuItem.Text = "Категории";
 			categoryToolStripMenuItem.Click += categoryToolStripMenuItem_Click;
 			// 
 			// commentToolStripMenuItem
 			// 
 			commentToolStripMenuItem.Name = "commentToolStripMenuItem";
-			commentToolStripMenuItem.Size = new Size(157, 26);
+			commentToolStripMenuItem.Size = new Size(151, 22);
 			commentToolStripMenuItem.Text = "Комментарии";
 			commentToolStripMenuItem.Click += commentToolStripMenuItem_Click;
 			// 
 			// tagToolStripMenuItem
 			// 
 			tagToolStripMenuItem.Name = "tagToolStripMenuItem";
-			tagToolStripMenuItem.Size = new Size(157, 26);
+			tagToolStripMenuItem.Size = new Size(151, 22);
 			tagToolStripMenuItem.Text = "Тэги";
 			tagToolStripMenuItem.Click += tagToolStripMenuItem_Click;
 			// 
 			// замерВремениToolStripMenuItem
 			// 
 			замерВремениToolStripMenuItem.Name = "замерВремениToolStripMenuItem";
-			замерВремениToolStripMenuItem.Size = new Size(14, 24);
+			замерВремениToolStripMenuItem.Size = new Size(12, 20);
 			// 
 			// замерыВремениToolStripMenuItem
 			// 
-			замерыВремениToolStripMenuItem.DropDownItems.AddRange(new ToolStripItem[] { add1000ToolStripMenuItem, get1000ToolStripMenuItem, update1000ToolStripMenuItem, delete1000ToolStripMenuItem });
+			замерыВремениToolStripMenuItem.DropDownItems.AddRange(new ToolStripItem[] { add1000ToolStripMenuItem, get1000ToolStripMenuItem, update1000ToolStripMenuItem, delete1000ToolStripMenuItem, updateMongoDBToolStripMenuItem });
 			замерыВремениToolStripMenuItem.Name = "замерыВремениToolStripMenuItem";
-			замерыВремениToolStripMenuItem.Size = new Size(144, 24);
+			замерыВремениToolStripMenuItem.Size = new Size(114, 20);
 			замерыВремениToolStripMenuItem.Text = "Замеры времени";
 			// 
 			// add1000ToolStripMenuItem
 			// 
 			add1000ToolStripMenuItem.Name = "add1000ToolStripMenuItem";
-			add1000ToolStripMenuItem.Size = new Size(224, 26);
+			add1000ToolStripMenuItem.Size = new Size(185, 22);
 			add1000ToolStripMenuItem.Text = "Добавление 1000";
 			add1000ToolStripMenuItem.Click += add1000ToolStripMenuItem_Click;
 			// 
 			// get1000ToolStripMenuItem
 			// 
 			get1000ToolStripMenuItem.Name = "get1000ToolStripMenuItem";
-			get1000ToolStripMenuItem.Size = new Size(224, 26);
+			get1000ToolStripMenuItem.Size = new Size(185, 22);
 			get1000ToolStripMenuItem.Text = "Получение 1000";
 			get1000ToolStripMenuItem.Click += get1000ToolStripMenuItem_Click;
 			// 
 			// update1000ToolStripMenuItem
 			// 
 			update1000ToolStripMenuItem.Name = "update1000ToolStripMenuItem";
-			update1000ToolStripMenuItem.Size = new Size(224, 26);
+			update1000ToolStripMenuItem.Size = new Size(185, 22);
 			update1000ToolStripMenuItem.Text = "Обновление 1000";
 			update1000ToolStripMenuItem.Click += update1000ToolStripMenuItem_Click;
 			// 
 			// delete1000ToolStripMenuItem
 			// 
 			delete1000ToolStripMenuItem.Name = "delete1000ToolStripMenuItem";
-			delete1000ToolStripMenuItem.Size = new Size(224, 26);
+			delete1000ToolStripMenuItem.Size = new Size(185, 22);
 			delete1000ToolStripMenuItem.Text = "Удаление 1000";
 			delete1000ToolStripMenuItem.Click += delete1000ToolStripMenuItem_Click;
 			// 
+			// updateMongoDBToolStripMenuItem
+			// 
+			updateMongoDBToolStripMenuItem.Name = "updateMongoDBToolStripMenuItem";
+			updateMongoDBToolStripMenuItem.Size = new Size(185, 22);
+			updateMongoDBToolStripMenuItem.Text = "Обновить MongoDB";
+			updateMongoDBToolStripMenuItem.Click += updateMongoDBToolStripMenuItem_Click;
+			// 
 			// labelTest
 			// 
 			labelTest.BorderStyle = BorderStyle.FixedSingle;
-			labelTest.Location = new Point(178, 109);
+			labelTest.Location = new Point(156, 82);
 			labelTest.Name = "labelTest";
-			labelTest.Size = new Size(285, 133);
+			labelTest.Size = new Size(250, 100);
 			labelTest.TabIndex = 3;
 			labelTest.TextAlign = ContentAlignment.MiddleCenter;
 			// 
+			// MongoDB
+			// 
+			MongoDB.AutoSize = true;
+			MongoDB.Location = new Point(459, 230);
+			MongoDB.Name = "MongoDB";
+			MongoDB.Size = new Size(80, 19);
+			MongoDB.TabIndex = 4;
+			MongoDB.Text = "MongoDB";
+			MongoDB.UseVisualStyleBackColor = true;
+			MongoDB.CheckedChanged += MongoDB_CheckedChanged;
+			// 
 			// FormMain
 			// 
-			AutoScaleDimensions = new SizeF(8F, 20F);
+			AutoScaleDimensions = new SizeF(7F, 15F);
 			AutoScaleMode = AutoScaleMode.Font;
-			ClientSize = new Size(633, 348);
+			ClientSize = new Size(554, 261);
+			Controls.Add(MongoDB);
 			Controls.Add(labelTest);
 			Controls.Add(menuStrip1);
 			MainMenuStrip = menuStrip1;
-			Margin = new Padding(3, 4, 3, 4);
 			Name = "FormMain";
 			StartPosition = FormStartPosition.CenterScreen;
 			Text = "Электронный дневник";
@@ -181,5 +201,6 @@
 		private ToolStripMenuItem get1000ToolStripMenuItem;
 		private ToolStripMenuItem update1000ToolStripMenuItem;
 		private ToolStripMenuItem delete1000ToolStripMenuItem;
+		private ToolStripMenuItem updateMongoDBToolStripMenuItem;
 	}
 }

NewsBlog/NewsBlogView/FormMain.cs

@@ -1,5 +1,6 @@
 using NewsBlogAbstractions.Models;
 using NewsBlogAbstractions.WorkAbstractions;
+using NewsBlogMongoDB;
 using System.Security.Policy;
 
 namespace NewsBlogView
@@ -85,7 +86,7 @@ namespace NewsBlogView
 			if (service is IAuthorWork authorLogic)
 			{
 				DateTime startTime = DateTime.Now;
-				for (int i =0; i < 1000; i++)
+				for (int i = 0; i < 1000; i++)
 					authorLogic.Get(i + 1000);
 				DateTime endTime = DateTime.Now;
 
@@ -131,5 +132,73 @@ namespace NewsBlogView
 				labelTest.Text = $"Óäàëåíèå 1000 ñòðîê âûïîëíåíî çà {(endTime - startTime).TotalMilliseconds} ìèëëèñåêóíä";
 			}
 		}
+
+		private void updateMongoDBToolStripMenuItem_Click(object sender, EventArgs e)
+		{
+			ImplementationMongoDB implementationMongoDB = new();
+
+			// î÷èùàåì âñ¸ 
+			foreach (var it in implementationMongoDB.GetArticles())
+				implementationMongoDB.DeleteArticle(it.Id);
+			foreach (var it in implementationMongoDB.GetAuthors())
+				implementationMongoDB.DeleteAuthor(it.Id);
+			foreach (var it in implementationMongoDB.GetCategorys())
+				implementationMongoDB.DeleteCategory(it.Id);
+			foreach (var it in implementationMongoDB.GetComments())
+				implementationMongoDB.DeleteComment(it.Id);
+			foreach (var it in implementationMongoDB.GetTags())
+				implementationMongoDB.DeleteTag(it.Id);
+			foreach (var it in implementationMongoDB.GetSequence())
+				implementationMongoDB.DeleteSequence(it.Id);
+
+			// ñêà÷èâàåì èç ïîñòãðåñà
+			List<Article> listArticle = null;
+			List<Author> listAuthor = null;
+			List<Category> listCategory = null;
+			List<Comment> listComment = null;
+			List<Tag> listTag = null;
+
+			var service = Program.ServiceProvider?.GetService(typeof(IArticleWork));
+			if (service is IArticleWork articleLogic)
+				listArticle = articleLogic.GetAll();
+
+			service = Program.ServiceProvider?.GetService(typeof(IAuthorWork));
+			if (service is IAuthorWork authorLogic)
+				listAuthor = authorLogic.GetAll();
+
+			service = Program.ServiceProvider?.GetService(typeof(ICategoryWork));
+			if (service is ICategoryWork categoryLogic)
+				listCategory = categoryLogic.GetAll();
+
+			service = Program.ServiceProvider?.GetService(typeof(ICommentWork));
+			if (service is ICommentWork commentLogic)
+				listComment = commentLogic.GetAll();
+
+			service = Program.ServiceProvider?.GetService(typeof(ITagWork));
+			if (service is ITagWork tagLogic)
+				listTag = tagLogic.GetAll();
+
+			// âëèâàåì äàííûå ìîíãî äá
+			if (listAuthor != null)
+				foreach (var it in listAuthor)
+					implementationMongoDB.AddAuthor(it);
+			if (listCategory != null)
+				foreach (var it in listCategory)
+					implementationMongoDB.AddCategory(it);
+			if (listArticle != null)
+				foreach (var it in listArticle)
+					implementationMongoDB.AddArticle(it);
+			if (listComment != null)
+				foreach (var it in listComment)
+					implementationMongoDB.AddComment(it);
+			if (listTag != null)
+				foreach (var it in listTag)
+					implementationMongoDB.AddTag(it);
+		}
+
+		private void MongoDB_CheckedChanged(object sender, EventArgs e)
+		{
+			Program.isPostgreSQL = !Program.isPostgreSQL;
+		}
 	}
 }

NewsBlog/NewsBlogView/FormMain.resx

@@ -1,17 +1,17 @@
 <?xml version="1.0" encoding="utf-8"?>
 <root>
-  <!-- 
+  <!--
     Microsoft ResX Schema 
-    
+
     Version 2.0
-    
-    The primary goals of this format is to allow a simple XML format 
-    that is mostly human readable. The generation and parsing of the 
-    various data types are done through the TypeConverter classes 
+
+    The primary goals of this format is to allow a simple XML format
+    that is mostly human readable. The generation and parsing of the
+    various data types are done through the TypeConverter classes
     associated with the data types.
-    
+
     Example:
-    
+
     ... ado.net/XML headers & schema ...
     <resheader name="resmimetype">text/microsoft-resx</resheader>
     <resheader name="version">2.0</resheader>
@@ -26,36 +26,36 @@
         <value>[base64 mime encoded string representing a byte array form of the .NET Framework object]</value>
         <comment>This is a comment</comment>
     </data>
-                
-    There are any number of "resheader" rows that contain simple 
+
+    There are any number of "resheader" rows that contain simple
     name/value pairs.
-    
-    Each data row contains a name, and value. The row also contains a 
-    type or mimetype. Type corresponds to a .NET class that support 
-    text/value conversion through the TypeConverter architecture. 
-    Classes that don't support this are serialized and stored with the 
+
+    Each data row contains a name, and value. The row also contains a
+    type or mimetype. Type corresponds to a .NET class that support
+    text/value conversion through the TypeConverter architecture.
+    Classes that don't support this are serialized and stored with the
     mimetype set.
-    
-    The mimetype is used for serialized objects, and tells the 
-    ResXResourceReader how to depersist the object. This is currently not 
+
+    The mimetype is used for serialized objects, and tells the
+    ResXResourceReader how to depersist the object. This is currently not
     extensible. For a given mimetype the value must be set accordingly:
-    
-    Note - application/x-microsoft.net.object.binary.base64 is the format 
-    that the ResXResourceWriter will generate, however the reader can 
+
+    Note - application/x-microsoft.net.object.binary.base64 is the format
+    that the ResXResourceWriter will generate, however the reader can
     read any of the formats listed below.
-    
+
     mimetype: application/x-microsoft.net.object.binary.base64
-    value   : The object must be serialized with 
+    value   : The object must be serialized with
             : System.Runtime.Serialization.Formatters.Binary.BinaryFormatter
             : and then encoded with base64 encoding.
     
     mimetype: application/x-microsoft.net.object.soap.base64
-    value   : The object must be serialized with 
+    value   : The object must be serialized with
             : System.Runtime.Serialization.Formatters.Soap.SoapFormatter
             : and then encoded with base64 encoding.
 
     mimetype: application/x-microsoft.net.object.bytearray.base64
-    value   : The object must be serialized into a byte array 
+    value   : The object must be serialized into a byte array
             : using a System.ComponentModel.TypeConverter
             : and then encoded with base64 encoding.
     -->
@@ -117,4 +117,10 @@
   <resheader name="writer">
     <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
   </resheader>
+  <metadata name="menuStrip1.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
+    <value>17, 17</value>
+  </metadata>
+  <metadata name="MongoDB.GenerateMember" type="System.Boolean, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
+    <value>False</value>
+  </metadata>
 </root>

NewsBlog/NewsBlogView/FormTag.cs

@@ -1,5 +1,7 @@
 using NewsBlogAbstractions.Models;
 using NewsBlogAbstractions.WorkAbstractions;
+using NewsBlogMongoDB.Models;
+using NewsBlogMongoDB.StoragesContracts;
 using System;
 using System.Collections.Generic;
 using System.ComponentModel;
@@ -16,12 +18,14 @@ namespace NewsBlogView
 	{
 		private readonly ITagWork _tagLogic;
 		private readonly IArticleWork _articleLogic;
+		private readonly StorageModel _mongoLogic;
 
-		public FormTag(ITagWork logic, IArticleWork articleLogic)
+		public FormTag(ITagWork logic, IArticleWork articleLogic, StorageModel mongoLogic)
 		{
 			InitializeComponent();
 			_tagLogic = logic;
 			_articleLogic = articleLogic;
+			_mongoLogic = mongoLogic;
 		}
 
 		private void FormTag_Load(object sender, EventArgs e)
@@ -38,15 +42,16 @@ namespace NewsBlogView
 				ArticleId = ((Article?)comboBoxArticle.SelectedItem)?.Id ?? 0,
 			};
 
-			_tagLogic.Create(newTag);
+			if (Program.isPostgreSQL)
+				_tagLogic.Create(newTag);
+			else
+				_mongoLogic.AddTag(newTag);
 
 			LoadData();
 		}
 
 		private void LoadData()
 		{
-			var tags = _tagLogic.GetAll();
-
 			dataGridView.Rows.Clear();
 
 			if (dataGridView.ColumnCount == 0)
@@ -68,9 +73,21 @@ namespace NewsBlogView
 			comboBoxArticle.DisplayMember = "Article";
 			comboBoxArticle.ValueMember = "Title";
 
-			foreach (var tag in tags)
+			if (Program.isPostgreSQL)
 			{
-				dataGridView.Rows.Add(tag.Id, tag.Name, tag.Description, tag.ArticleId, _articleLogic.Get(tag.ArticleId)?.Title);
+				var tags = _tagLogic.GetAll();
+				foreach (var tag in tags)
+				{
+					dataGridView.Rows.Add(tag.Id, tag.Name, tag.Description, tag.ArticleId, _articleLogic.Get(tag.ArticleId)?.Title);
+				}
+			}
+			else
+			{
+				var tags = _mongoLogic.GetTags();
+				foreach (var tag in tags)
+				{
+					dataGridView.Rows.Add(tag.Id, tag.Name, tag.Decsription, tag.Article_id, _mongoLogic.GetArticleById(tag.Article_id)?.Title);
+				}
 			}
 		}
 
@@ -79,17 +96,34 @@ namespace NewsBlogView
 			if (dataGridView.SelectedRows.Count > 0)
 			{
 				DataGridViewRow selectedRow = dataGridView.SelectedRows[0];
-				int tagId = Convert.ToInt32(selectedRow.Cells["Id"].Value);
-
-				Tag updatedTag = new()
+				if (Program.isPostgreSQL)
 				{
-					Id = tagId,
-					Name = textBoxName.Text,
-					Description = textBoxDescription.Text,
-					ArticleId = ((Article?)comboBoxArticle.SelectedItem)?.Id ?? 0,
-				};
+					int tagId = Convert.ToInt32(selectedRow.Cells["Id"].Value);
 
-				_tagLogic.Update(updatedTag);
+					Tag updatedTag = new()
+					{
+						Id = tagId,
+						Name = textBoxName.Text,
+						Description = textBoxDescription.Text,
+						ArticleId = ((Article?)comboBoxArticle.SelectedItem)?.Id ?? 0,
+					};
+
+					_tagLogic.Update(updatedTag);
+				}
+				else
+				{
+					string? tagId = selectedRow.Cells["Id"].Value.ToString();
+
+					TagMongo updatedTag = new()
+					{
+						Id = tagId,
+						Name = textBoxName.Text,
+						Decsription = textBoxDescription.Text,
+						Article_id = _mongoLogic.GetMongoId("Article", ((Article?)comboBoxArticle.SelectedItem)?.Id.ToString() ?? String.Empty),
+					};
+
+					_mongoLogic.UpdateTag(updatedTag);
+				}
 
 				LoadData();
 			}
@@ -104,9 +138,18 @@ namespace NewsBlogView
 			if (dataGridView.SelectedRows.Count > 0)
 			{
 				DataGridViewRow selectedRow = dataGridView.SelectedRows[0];
-				int tagId = Convert.ToInt32(selectedRow.Cells["Id"].Value);
+				if (Program.isPostgreSQL)
+				{
+					int tagId = Convert.ToInt32(selectedRow.Cells["Id"].Value);
 
-				_tagLogic.Delete(tagId);
+					_tagLogic.Delete(tagId);
+				}
+				else
+				{
+					string? tagId = selectedRow.Cells["Id"].Value.ToString();
+
+					_mongoLogic.DeleteTag(tagId);
+				}
 
 				LoadData();
 			}

NewsBlog/NewsBlogView/NewsBlogView.csproj

@@ -15,6 +15,7 @@
   <ItemGroup>
     <ProjectReference Include="..\NewsBlogAbstractions\NewsBlogAbstractions.csproj" />
     <ProjectReference Include="..\NewsBlogDatabaseImplementation\NewsBlogDatabaseImplementation.csproj" />
+    <ProjectReference Include="..\NewsBlogMongoDB\NewsBlogMongoDB.csproj" />
   </ItemGroup>
 
 </Project>

NewsBlog/NewsBlogView/Program.cs

@@ -1,6 +1,8 @@
 using Microsoft.Extensions.DependencyInjection;
 using NewsBlogAbstractions.WorkAbstractions;
 using NewsBlogDatabaseImplementation.WorkImplementation;
+using NewsBlogMongoDB.StoragesContracts;
+using NewsBlogMongoDB;
 
 namespace NewsBlogView
 {
@@ -9,6 +11,8 @@ namespace NewsBlogView
 		private static ServiceProvider? _serviceProvider;
 		public static ServiceProvider? ServiceProvider => _serviceProvider;
 
+		public static bool isPostgreSQL = true;
+
 		/// <summary>
 		///  The main entry point for the application.
 		/// </summary>
@@ -32,6 +36,8 @@ namespace NewsBlogView
 			services.AddTransient<ICommentWork, CommentWork>();
 			services.AddTransient<ITagWork, TagWork>();
 
+			services.AddTransient<StorageModel, ImplementationMongoDB>();
+
 			services.AddTransient<FormMain>();
 			services.AddTransient<FormArticle>();
 			services.AddTransient<FormAuthor>();