CrudResult <T> Forbidden <T>(Exception ex)
{
var result = CrudResult <T> .Create(ex);
result.Status = CrudResultStatus.Forbidden;
return(result);
}
/// <summary>
/// Helper mehtod to create failed CrudResult
/// </summary>
/// <typeparam name="T">Data type for the CrudResult</typeparam>
/// <param name="ex">Exception that caused the failed result</param>
/// <returns></returns>
CrudResult <T> Fail <T>(Exception ex)
{
var result = CrudResult <T> .Create(ex);
result.Status = CrudResultStatus.Error;
return(result);
}
/// <summary>
/// Delete an entity
/// </summary>
/// <param name="keys">Key(s) of entity to delete</param>
/// <returns></returns>
public virtual async Task <CrudResult> Delete(params object[] keys)
{
try
{
var set = Context.Set <TEntity>();
var entity = await DeleteQuery(keys);
var result = CrudResult.Create();
await DeleteLogic(result, entity);
if (result.IsValid)
{
if (entity is ISoftDelete)
{
var softDelete = entity as ISoftDelete;
softDelete.IsDeleted = true;
}
else
{
set.Remove(entity);
}
await Context.SaveChangesAsync(UserContext.UserName, default);
}
else
{
result.Status = CrudResultStatus.Invalid;
}
return(result);
}
catch (UnauthorizedAccessException ex)
{
Logger.LogError(ex, $"Unauthorized access deleting {nameof(TEntity)}");
return(Forbidden <TData>(ex));
}
catch (Exception ex)
{
Logger.LogError(ex, $"Could not delete {nameof(TEntity)}: {ToCommmaDelimitedList(keys)}");
return(CrudResult.Create(ex));
}
}
/// <summary>
/// Update an entity and prisist it to the db
/// </summary>
/// <param name="data">Data to map to the updating entity</param>
/// <param name="map">Flag to allow configure a full mapping of data from the data object to the entity</param>
/// <param name="keys">Key(s) of the entity to update</param>
/// <returns></returns>
public virtual async Task <CrudResult <TData> > Update(TData data, bool map, params object[] keys)
{
try
{
var result = CrudResult <TData> .Create();
var set = Context.Set <TEntity>();
var entity = await UpdateQuery(data, keys);
UpdateMap(data, entity, map);
await UpdateLogic(data, entity, result);
if (result.IsValid)
{
await Context.SaveChangesAsync(UserContext.UserName, default);
result.Data = Mapper.Map <TData>(entity);
await GetByKeyLogic(result.Data, entity);
}
else
{
result.Status = CrudResultStatus.Invalid;
}
return(result);
}
catch (UnauthorizedAccessException ex)
{
Logger.LogError(ex, $"Unauthorized access updating {nameof(TEntity)}");
return(Forbidden <TData>(ex));
}
catch (Exception ex)
{
Logger.LogError(ex, $"Error Creating {nameof(TEntity)}");
return(Fail <TData>(ex));
}
}
/// <summary>
/// Create new entity by passing data object to map to new entity
/// </summary>
/// <param name="data">Data to be used to create new entity</param>
/// <returns>Data object that represents the created entity</returns>
public virtual async Task <CrudResult <TData> > Create(TData data)
{
try
{
var result = CrudResult <TData> .Create();
var entity = CreateMap(data);
await CreateLogic(data, entity, result);
if (result.ModelState.IsValid)
{
var set = Context.Set <TEntity>();
set.Add(entity);
await Context.SaveChangesAsync(UserContext.UserName, default);
result.Data = Mapper.Map <TData>(entity);
await GetByKeyLogic(result.Data, entity);
}
else
{
result.Status = CrudResultStatus.Invalid;
}
return(result);
}
catch (UnauthorizedAccessException ex)
{
Logger.LogError(ex, $"Unauthorized access creating {nameof(TEntity)}");
return(Forbidden <TData>(ex));
}
catch (Exception ex)
{
Logger.LogError(ex, $"Error Creating {nameof(TEntity)}");
return(Fail <TData>(ex));
}
}
/// <summary>
/// Helper method to create Successful CrudResult
/// </summary>
/// <typeparam name="T">Data type for the CrudResult</typeparam>
/// <param name="data">Data to be included with result</param>
/// <returns></returns>
CrudResult <T> Success <T>(T data)
{
return(CrudResult <T> .Create(data));
}
/// <summary>
/// Execute any logic that needs to happen when an entity is deteled such as deleting relationships and validating entity can be deleted.
/// </summary>
/// <param name="entity">Entity to be deleted</param>
protected virtual async Task DeleteLogic(CrudResult result, TEntity entity)
{
await Task.FromResult <object>(null);
}
/// <summary>
/// Execute any logic when updating an entity such as validation
/// </summary>
/// <param name="data">Data object used to update entity</param>
/// <param name="entity">Entity being updated</param>
/// <param name="result">Result object that warnings and exceptions can be added to</param>
protected virtual async Task UpdateLogic(TData data, TEntity entity, CrudResult <TData> result)
{
await Task.FromResult <object>(null);
}
