Add project files.

MyOffice.Data.Repositories/RepositoryBase.cs

@@ -0,0 +1,78 @@
+namespace MyOffice.Data.Repositories;
+
+using Microsoft.EntityFrameworkCore;
+using DbContext;
+
+public class RepositoryBase<TEntity> where TEntity : class
+{
+	protected readonly AppDbContext _context;
+
+	protected RepositoryBase(
+		AppDbContext context
+	)
+	{
+		_context = context;
+	}
+
+	protected async Task<int> SaveChangesAsync()
+	{
+		try
+		{
+			return await _context.SaveChangesAsync();
+		}
+		catch (DbUpdateException updateException)
+		{
+			throw updateException;
+		}
+	}
+
+	protected int SaveChanges()
+	{
+		try
+		{
+			return _context.SaveChanges();
+		}
+		catch (DbUpdateException updateException)
+		{
+			throw updateException;
+		}
+	}
+
+
+	protected async Task<TEntity?> GetAsync(Guid id)
+	{
+		return await _context.Set<TEntity>().FindAsync(id);
+	}
+
+	protected async Task<int> AddAsync(TEntity entity)
+	{
+		await _context.Set<TEntity>().AddAsync(entity);
+		return await SaveChangesAsync();
+	}
+
+	protected int Add(TEntity entity)
+	{
+		_context.Set<TEntity>().Add(entity);
+		return SaveChanges();
+	}
+
+	protected int Remove(TEntity entity)
+	{
+		_context.Set<TEntity>().Remove(entity);
+		return SaveChanges();
+	}
+
+	protected async Task<int> UpdateAsync(TEntity entity)
+	{
+		_context.Attach(entity);
+		_context.Entry(entity).State = EntityState.Modified;
+
+		return await SaveChangesAsync();
+	}
+
+	protected int Update(TEntity entity)
+	{
+		_context.Attach(entity);
+		return SaveChanges();
+	}
+}