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BaseService Embed
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using System; | |
using System.Collections.Generic; | |
using System.Data.Entity; | |
using System.Linq; | |
using System.Linq.Expressions; | |
using System.Threading.Tasks; | |
namespace com.youapp.data.services | |
{ | |
public class BaseService<TObject> where TObject : class | |
{ | |
protected DataContext _context; | |
public BaseService(DataContext context) | |
{ | |
_context = context; | |
} | |
public ICollection<TObject> GetAll() | |
{ | |
return _context.Set<TObject>().ToList(); | |
} | |
public async Task<ICollection<TObject>> GetAllAsync() | |
{ | |
return await _context.Set<TObject>().ToListAsync(); | |
} | |
public TObject Get(int id) | |
{ | |
return _context.Set<TObject>().Find(id); | |
} | |
public async Task<TObject> GetAsync(int id) | |
{ | |
return await _context.Set<TObject>().FindAsync(id); | |
} | |
public TObject Find(Expression<Func<TObject, bool>> match) | |
{ | |
return _context.Set<TObject>().SingleOrDefault(match); | |
} | |
public async Task<TObject> FindAsync(Expression<Func<TObject, bool>> match) | |
{ | |
return await _context.Set<TObject>().SingleOrDefaultAsync(match); | |
} | |
public ICollection<TObject> FindAll(Expression<Func<TObject, bool>> match) | |
{ | |
return _context.Set<TObject>().Where(match).ToList(); | |
} | |
public async Task<ICollection<TObject>> FindAllAsync(Expression<Func<TObject, bool>> match) | |
{ | |
return await _context.Set<TObject>().Where(match).ToListAsync(); | |
} | |
public TObject Add(TObject t) | |
{ | |
_context.Set<TObject>().Add(t); | |
_context.SaveChanges(); | |
return t; | |
} | |
public async Task<TObject> AddAsync(TObject t) | |
{ | |
_context.Set<TObject>().Add(t); | |
await _context.SaveChangesAsync(); | |
return t; | |
} | |
public TObject Update(TObject updated,int key) | |
{ | |
if (updated == null) | |
return null; | |
TObject existing = _context.Set<TObject>().Find(key); | |
if (existing != null) | |
{ | |
_context.Entry(existing).CurrentValues.SetValues(updated); | |
_context.SaveChanges(); | |
} | |
return existing; | |
} | |
public async Task<TObject> UpdateAsync(TObject updated, int key) | |
{ | |
if (updated == null) | |
return null; | |
TObject existing = await _context.Set<TObject>().FindAsync(key); | |
if (existing != null) | |
{ | |
_context.Entry(existing).CurrentValues.SetValues(updated); | |
await _context.SaveChangesAsync(); | |
} | |
return existing; | |
} | |
public void Delete(TObject t) | |
{ | |
_context.Set<TObject>().Remove(t); | |
_context.SaveChanges(); | |
} | |
public async Task<int> DeleteAsync(TObject t) | |
{ | |
_context.Set<TObject>().Remove(t); | |
return await _context.SaveChangesAsync(); | |
} | |
public int Count() | |
{ | |
return _context.Set<TObject>().Count(); | |
} | |
public async Task<int> CountAsync() | |
{ | |
return await _context.Set<TObject>().CountAsync(); | |
} | |
} | |
} |
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