public async Task <HttpResponseMessage> InitiatePost([FromBody] InitiatePostViewModel parameters)
{
try
{
#region Parameters validation
// Parameters haven't been initialized.
if (parameters == null)
{
// Initiate the parameter.
parameters = new InitiatePostViewModel();
Validate(parameters);
}
//Request parameters are invalid
if (!ModelState.IsValid)
{
return(Request.CreateResponse(HttpStatusCode.BadRequest, ModelState));
}
#endregion
#region Account identity search
// Search account from request.
var account = _identityService.FindAccount(Request.Properties);
if (account == null)
{
throw new Exception("No account has attached to request");
}
#endregion
#region Category search
// Search condition build.
var findCategoryConditions = new SearchCategoryViewModel();
findCategoryConditions.Id = parameters.CategoryIndex;
// Search the first match category in the database.
var categories = _unitOfWork.RepositoryCategories.Search();
var category =
await _unitOfWork.RepositoryCategories.Search(categories, findCategoryConditions)
.FirstOrDefaultAsync();
if (category == null)
{
_log.Error($"No category (Id: {parameters.CategoryIndex}) is found in database.");
return(Request.CreateErrorResponse(HttpStatusCode.NotFound, HttpMessages.CategoryNotFound));
}
#endregion
#region Post initialization
// Initiate new post.
var post = new Post();
post.OwnerIndex = account.Id;
post.CategoryIndex = parameters.CategoryIndex;
post.Title = parameters.Title;
post.Body = parameters.Body;
post.Created = _timeService.DateTimeUtcToUnix(DateTime.UtcNow);
//Add category record
_unitOfWork.RepositoryPosts.Insert(post);
// Save changes into database.
await _unitOfWork.CommitAsync();
#endregion
return(Request.CreateResponse(HttpStatusCode.Created, post));
}
catch (Exception exception)
{
_log.Error(exception.Message, exception);
return(Request.CreateResponse(HttpStatusCode.InternalServerError));
}
}
public async Task <HttpResponseMessage> UpdatePosts([FromUri] int index,
[FromBody] InitiatePostViewModel parameters)
{
try
{
#region Parameters validation
// Parameters haven't been initialized.
if (parameters == null)
{
parameters = new InitiatePostViewModel();
Validate(parameters);
}
//Request parameters are invalid
if (!ModelState.IsValid)
{
return(Request.CreateResponse(HttpStatusCode.BadRequest, ModelState));
}
#endregion
#region Account identity search
// Search account from request.
var account = _identityService.FindAccount(Request.Properties);
if (account == null)
{
throw new Exception("No account has attached to request");
}
#endregion
#region Information available check
// Search the post by index.
var condition = new SearchPostViewModel();
condition.Id = index;
// If account is not admin. It can only change its own posts.
if (account.Role != Roles.Admin)
{
condition.OwnerIndex = account.Id;
}
// Search all posts in database.
var posts = _unitOfWork.RepositoryPosts.Search();
posts = _unitOfWork.RepositoryPosts.Search(posts, condition);
#endregion
#region Update post
// Search the current time on the system.
var unixSystemTime = _timeService.DateTimeUtcToUnix(DateTime.UtcNow);
foreach (var post in posts)
{
post.CategoryIndex = parameters.CategoryIndex;
post.Title = parameters.Title;
post.Body = parameters.Body;
post.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.CreateErrorResponse(HttpStatusCode.InternalServerError,
"Error occured while executing post update"));
}
}
