public async Task <HttpResponseMessage> UpdateCategory([FromUri] int index,
[FromBody] InitiateCategoryViewModel parameters)
{
try
{
#region Parameters validation
// Parameters haven't been initialized.
if (parameters == null)
{
parameters = new InitiateCategoryViewModel();
Validate(parameters);
}
//Request parameters are invalid
if (!ModelState.IsValid)
{
return(Request.CreateResponse(HttpStatusCode.BadRequest, FindValidationMessage(ModelState, nameof(parameters))));
}
#endregion
#region Category search
// Search the category.
var categories = UnitOfWork.RepositoryCategories.Search();
categories = categories.Where(x => x.Id == index);
var category = await categories.FirstOrDefaultAsync();
if (category == null)
{
_log.Error($"Category (Id: {index}) is not found in database.");
return(Request.CreateErrorResponse(HttpStatusCode.NotFound, HttpMessages.CategoryNotFound));
}
#endregion
#region Information update
// Search unix system time.
var unixSystemTime = _timeService.DateTimeUtcToUnix(DateTime.UtcNow);
// Modify information.
category.Name = parameters.Name;
category.LastModified = unixSystemTime;
// Save changes into database.
await UnitOfWork.CommitAsync();
#endregion
return(Request.CreateResponse(HttpStatusCode.OK));
}
catch (Exception exception)
{
_log.Error(exception.Message, exception);
return(Request.CreateResponse(HttpStatusCode.InternalServerError));
}
}
public async Task <HttpResponseMessage> InitiateCategory([FromBody] InitiateCategoryViewModel parameters)
{
try
{
#region Parameters validation
// Parameters haven't been initialized.
if (parameters == null)
{
parameters = new InitiateCategoryViewModel();
Validate(parameters);
}
//Request parameters are invalid
if (!ModelState.IsValid)
{
return(Request.CreateResponse(HttpStatusCode.BadRequest, ModelState));
}
#endregion
#region Account validate
// Search account information attached in the current request.
var account = _identityService.FindAccount(Request.Properties);
if (account == null)
{
throw new Exception("No account information is attached into current request.");
}
#endregion
#region Record duplicate check
var findCategoryConditions = new SearchCategoryViewModel();
findCategoryConditions.Name = new TextSearch();
findCategoryConditions.Name.Value = parameters.Name;
findCategoryConditions.Name.Mode = TextComparision.EqualIgnoreCase;
// Category has been created before.
var categories = UnitOfWork.RepositoryCategories.Search();
var category = await UnitOfWork.RepositoryCategories.Search(categories, findCategoryConditions).FirstOrDefaultAsync();
if (category != null)
{
_log.Error($"Category with name : {parameters.Name} has been created before.");
return(Request.CreateErrorResponse(HttpStatusCode.Conflict, HttpMessages.CategoryDuplicated));
}
#endregion
#region Record initialization
// Search current time on system.
var systemTime = _timeService.DateTimeUtcToUnix(DateTime.UtcNow);
// Search the id of requester.
//Initiate new category
category = new Category();
category.CreatorIndex = account.Id;
category.Created = systemTime;
category.Name = parameters.Name;
//Add category record
UnitOfWork.RepositoryCategories.Insert(category);
// Save changes.
await UnitOfWork.CommitAsync();
#endregion
return(Request.CreateResponse(HttpStatusCode.Created, category));
}
catch (Exception exception)
{
_log.Error(exception.Message, exception);
return(Request.CreateResponse(HttpStatusCode.InternalServerError));
}
}