/// <summary>
/// Finds the by.
/// </summary>
/// <param name="where">The where.</param>
/// <returns></returns>
public virtual IEnumerable <TEntity> FindBy(Expression <Func <TEntity, bool> > where)
{
IEnumerable <TEntity> query;
AppUtility.ValidateContext(CurrentDbContext);
try
{
var dbSet = CurrentDbContext.Set <TEntity>();
query = dbSet.Where(where).ToList();
}
catch (SqlException sqex)
{
Audit.Log.Error(AppConstants.ErrorMessages.SqlExceptionMessage, sqex);
throw;
}
catch (DbException dbex)
{
Audit.Log.Error(AppConstants.ErrorMessages.DbExceptionMessage, dbex);
throw;
}
catch (Exception ex)
{
Audit.Log.Error(AppConstants.ErrorMessages.ExceptionMessage, ex);
throw;
}
return(query);
}
/// <summary>
/// Finds the by asynchronous.
/// </summary>
/// <param name="where">The where.</param>
/// <param name="include">The include.</param>
/// <returns></returns>
public virtual async Task <IEnumerable <TEntity> > FindByAsync(Expression <Func <TEntity, bool> > where,
Expression <Func <TEntity, object> > include)
{
IEnumerable <TEntity> result;
AppUtility.ValidateContext(CurrentDbContext);
try
{
var dbSet = CurrentDbContext.Set <TEntity>();
result = await dbSet.Where(where).Include(include).ToListAsync();
}
catch (SqlException sqex)
{
Audit.Log.Error(AppConstants.ErrorMessages.SqlExceptionMessage, sqex);
throw;
}
catch (DbException dbex)
{
Audit.Log.Error(AppConstants.ErrorMessages.DbExceptionMessage, dbex);
throw;
}
catch (Exception ex)
{
Audit.Log.Error(AppConstants.ErrorMessages.ExceptionMessage, ex);
throw;
}
return(result);
}
/// <summary>
/// Initializes a new instance of the <see cref="GenericRepository{TEntity}" /> class.
/// </summary>
/// <param name="context">The context.</param>
/// <exception cref="ArgumentNullException"></exception>
public GenericRepository(DbContext context)
{
Context = context;
AppUtility.ValidateContext(CurrentDbContext);
try
{
CurrentDbSet = CurrentDbContext.Set <TEntity>();
}
catch (SqlException sqex)
{
Audit.Log.Error(AppConstants.ErrorMessages.SqlExceptionMessage, sqex);
throw;
}
catch (DbException dbex)
{
Audit.Log.Error(AppConstants.ErrorMessages.DbExceptionMessage, dbex);
throw;
}
catch (Exception ex)
{
Audit.Log.Error(AppConstants.ErrorMessages.ExceptionMessage, ex);
throw;
}
}
/// <summary>
/// Attaches the specified entity.
/// </summary>
/// <param name="entity">The entity.</param>
public void Attach(TEntity entity)
{
AppUtility.ValidateContext(CurrentDbContext);
try
{
var dbset = CurrentDbContext.Set <TEntity>();
dbset?.Attach(entity);
}
catch (SqlException sqex)
{
Audit.Log.Error(AppConstants.ErrorMessages.SqlExceptionMessage, sqex);
throw;
}
catch (DbException dbex)
{
Audit.Log.Error(AppConstants.ErrorMessages.DbExceptionMessage, dbex);
throw;
}
catch (Exception ex)
{
Audit.Log.Error(AppConstants.ErrorMessages.ExceptionMessage, ex);
throw;
}
}
/// <summary>
/// Gets all.
/// </summary>
/// <param name="navigationProperties">The navigation properties.</param>
/// <returns></returns>
public virtual IList <TEntity> GetAll(params Expression <Func <TEntity, object> >[] navigationProperties)
{
//usage example:
//IGenericDataRepository<Department> repository = new GenericDataRepository<Department>();
//IList<Department> departments = repository.GetAll(d => d.Employees);
List <TEntity> list;
AppUtility.ValidateContext(CurrentDbContext);
try
{
IQueryable <TEntity> dbSet = CurrentDbContext.Set <TEntity>();
if (navigationProperties != null)
{
//Apply eager loading
dbSet = navigationProperties.Aggregate(
dbSet,
(current, navigationProperty) => current.Include(navigationProperty)
);
}
if (dbSet == null)
{
return(null);
}
list = dbSet
.AsNoTracking()
.ToList();
}
catch (SqlException sqex)
{
Audit.Log.Error(AppConstants.ErrorMessages.SqlExceptionMessage, sqex);
throw;
}
catch (DbException dbex)
{
Audit.Log.Error(AppConstants.ErrorMessages.DbExceptionMessage, dbex);
throw;
}
catch (Exception ex)
{
Audit.Log.Error(AppConstants.ErrorMessages.ExceptionMessage, ex);
throw;
}
return(list);
}
/// <summary>
/// GetListAsync
/// </summary>
/// <param name="where">The where.</param>
/// <param name="navigationProperties">The navigation properties.</param>
/// <returns></returns>
public virtual async Task <List <TEntity> > GetListAsync(Func <TEntity, bool> where,
params Expression <Func <TEntity, object> >[] navigationProperties)
{
List <TEntity> list;
AppUtility.ValidateContext(CurrentDbContext);
try
{
IQueryable <TEntity> dbSet = CurrentDbContext.Set <TEntity>();
if (navigationProperties != null)
{
//Apply eager loading
dbSet = navigationProperties.Aggregate(
dbSet,
(current, navigationProperty) => current.Include(navigationProperty)
);
}
if (dbSet == null)
{
return(null);
}
list = await dbSet
.AsNoTracking()
.Where(where)
.AsQueryable()
.ToListAsync();
}
catch (SqlException sqex)
{
Audit.Log.Error(AppConstants.ErrorMessages.SqlExceptionMessage, sqex);
throw;
}
catch (DbException dbex)
{
Audit.Log.Error(AppConstants.ErrorMessages.DbExceptionMessage, dbex);
throw;
}
catch (Exception ex)
{
Audit.Log.Error(AppConstants.ErrorMessages.ExceptionMessage, ex);
throw;
}
return(list);
}
/// <summary>
/// Gets the single asynchronous.
/// </summary>
/// <param name="where">The where.</param>
/// <param name="navigationProperties">The navigation properties.</param>
/// <returns></returns>
public virtual async Task <TEntity> GetSingleAsync(Func <TEntity, bool> where,
params Expression <Func <TEntity, object> >[] navigationProperties)
{
TEntity item;
AppUtility.ValidateContext(CurrentDbContext);
try
{
IQueryable <TEntity> dbSet = CurrentDbContext.Set <TEntity>();
if (navigationProperties != null)
{
//Apply eager loading
dbSet = navigationProperties.Aggregate(
dbSet,
(current, navigationProperty) => current.Include(navigationProperty)
);
}
if (dbSet == null)
{
return(null);
}
item = await dbSet
.AsNoTracking() //Don't track any changes for the selected item
.FirstOrDefaultAsync(w => w.Equals(where)); //Apply where clause
}
catch (SqlException sqex)
{
Audit.Log.Error(AppConstants.ErrorMessages.SqlExceptionMessage, sqex);
throw;
}
catch (DbException dbex)
{
Audit.Log.Error(AppConstants.ErrorMessages.DbExceptionMessage, dbex);
throw;
}
catch (Exception ex)
{
Audit.Log.Error(AppConstants.ErrorMessages.ExceptionMessage, ex);
throw;
}
return(item);
}
/// <summary>
/// Edits the specified entity.
/// </summary>
/// <param name="entity">The entity.</param>
public virtual void Edit(TEntity entity)
{
AppUtility.ValidateContext(CurrentDbContext);
AppUtility.ValidateEntity(entity);
//this sets base value
UpdatedOn = DateTime.UtcNow;
//this sets model value
entity.UpdatedOn = UpdatedOn ?? DateTime.UtcNow;
EntityState = EntityState.Modified;
CurrentDbContext.Entry(entity).State = EntityState.Modified;
}
/// <summary>
/// Updates the many.
/// </summary>
/// <param name="items">The items.</param>
public virtual void UpdateMany(params TEntity[] items)
{
AppUtility.ValidateContext(CurrentDbContext);
if (items == null)
{
return;
}
try
{
foreach (var item in items)
{
//this sets base value
UpdatedOn = DateTime.UtcNow;
//this sets model value
item.UpdatedOn = UpdatedOn ?? DateTime.UtcNow;
EntityState = EntityState.Modified;
CurrentDbContext.Entry(item).State = EntityState.Modified;
}
CurrentDbContext.SaveChanges();
}
catch (SqlException sqex)
{
Audit.Log.Error(AppConstants.ErrorMessages.SqlExceptionMessage, sqex);
throw;
}
catch (DbException dbex)
{
Audit.Log.Error(AppConstants.ErrorMessages.DbExceptionMessage, dbex);
throw;
}
catch (Exception ex)
{
Audit.Log.Error(AppConstants.ErrorMessages.ExceptionMessage, ex);
throw;
}
}
/// <summary>
/// GetAll async
/// </summary>
/// <returns></returns>
public virtual async Task <List <TEntity> > GetAllAsync()
{
List <TEntity> list;
AppUtility.ValidateContext(CurrentDbContext);
try
{
IQueryable <TEntity> dbSet = CurrentDbContext.Set <TEntity>();
if (dbSet == null)
{
return(null);
}
//Apply eager loading, async
list = await dbSet
.AsNoTracking()
.ToListAsync();
}
catch (SqlException sqex)
{
Audit.Log.Error(AppConstants.ErrorMessages.SqlExceptionMessage, sqex);
throw;
}
catch (DbException dbex)
{
Audit.Log.Error(AppConstants.ErrorMessages.DbExceptionMessage, dbex);
throw;
}
catch (Exception ex)
{
Audit.Log.Error(AppConstants.ErrorMessages.ExceptionMessage, ex);
throw;
}
return(list);
}
/// <summary>
/// Gets all.
/// </summary>
/// <returns></returns>
public virtual IEnumerable <TEntity> GetAll()
{
List <TEntity> list;
AppUtility.ValidateContext(CurrentDbContext);
try
{
IQueryable <TEntity> dbSet = CurrentDbContext.Set <TEntity>();
if (dbSet == null)
{
return(null);
}
list = dbSet
.AsNoTracking()
.ToList();
}
catch (SqlException sqex)
{
Audit.Log.Error(AppConstants.ErrorMessages.SqlExceptionMessage, sqex);
throw;
}
catch (DbException dbex)
{
Audit.Log.Error(AppConstants.ErrorMessages.DbExceptionMessage, dbex);
throw;
}
catch (Exception ex)
{
Audit.Log.Error(AppConstants.ErrorMessages.ExceptionMessage, ex);
throw;
}
return(list);
}
/// <summary>
/// Saves this instance.
/// </summary>
/// <returns></returns>
public virtual int Save()
{
var result = -1;
AppUtility.ValidateContext(CurrentDbContext);
try
{
result = CurrentDbContext.SaveChanges();
Audit.Log.Info(string.Format("Repository Save() :: result: {0}", result));
}
catch (DbEntityValidationException ex)
{
var errors = ex.EntityValidationErrors.SelectMany(
x => x.ValidationErrors.Select(y => new ValidationResult(y.ErrorMessage, new[] { y.PropertyName })));
Audit.Log.Error(
string.Format("{0} :: {1} ", AppConstants.ErrorMessages.DbEntityValidationExceptionMessage, errors),
ex);
}
catch (DbUpdateException ex)
{
var decodedErrors = TryDecodeDbUpdateException(ex);
if (decodedErrors == null)
{
throw; //it isn't something we understand
}
Audit.Log.Error(
string.Format("{0} :: {1} ", AppConstants.ErrorMessages.DbExceptionMessage, decodedErrors), ex);
}
catch (Exception ex)
{
Audit.Log.Error(AppConstants.ErrorMessages.ExceptionMessage, ex);
throw;
}
return(result);
}
/// <summary>
/// Finds the by.
/// </summary>
/// <param name="where">The where.</param>
/// <param name="include">The include.</param>
/// <returns></returns>
public virtual IEnumerable <TEntity> FindBy(Expression <Func <TEntity, bool> > @where,
Expression <Func <TEntity, object> > @include)
{
var result = default(IEnumerable <TEntity>);
AppUtility.ValidateContext(CurrentDbContext);
try
{
var dbQuery = CurrentDbContext.Set <TEntity>();
if (dbQuery != null)
{
result = dbQuery.Where(where).Include(include).ToList();
}
}
catch (SqlException sqex)
{
Audit.Log.Error(AppConstants.ErrorMessages.SqlExceptionMessage, sqex);
throw;
}
catch (DbException dbex)
{
Audit.Log.Error(AppConstants.ErrorMessages.DbExceptionMessage, dbex);
throw;
}
catch (Exception ex)
{
Audit.Log.Error(AppConstants.ErrorMessages.ExceptionMessage, ex);
throw;
}
return(result);
}
