private void validateOwner(UserMarkExperience userMarkRating)
{
if (userMarkRating.UserId != LoggedUserId)
{
throw new HttpResponseException(HttpStatusCode.Unauthorized);
}
}
public async static Task <bool> InsertUserMarkExperience(this MobileServiceContext context, string userId, string markId)
{
bool updateWasSuccessful = false;
using (DbContextTransaction transaction = context.Database.BeginTransaction())
{
try
{
UserMarkExperience userMarkExperience = context.UserMarkExperiences.Create();
userMarkExperience.UserId = userId;
userMarkExperience.MarkId = markId;
userMarkExperience.HasUserRated = false;
userMarkExperience.LastSeen = DateTime.Now;
context.UserMarkExperiences.Add(userMarkExperience);
await context.SaveChangesAsync();
transaction.Commit();
updateWasSuccessful = true;
}
catch (Exception ex)
{
LogTools.LogException(ex);
transaction.Rollback();
throw ex;
}
}
return(updateWasSuccessful);
}
private async Task <bool> updateLastSeenTime(string markId)
{
bool updateWasSuccessful = false;
using (DbContextTransaction transaction = context.Database.BeginTransaction())
{
try
{
UserMarkExperience userMarkExperience = await context.UserMarkExperiences.FindAsync(LoggedUserId, markId);
validateOwner(userMarkExperience);
userMarkExperience.LastSeen = DateTime.Now;
await context.SaveChangesAsync();
transaction.Commit();
updateWasSuccessful = true;
}
catch (Exception ex)
{
LogTools.LogException(ex);
transaction.Rollback();
throw ex;
}
}
return(updateWasSuccessful);
}
public double?Get(string markId)
{
// Check parameters validity
if (markId == null)
{
throw new HttpResponseException(HttpStatusCode.BadRequest);
}
UserMarkExperience userMarkExperience = context.UserMarkExperiences.Find(LoggedUserId, markId);
if (userMarkExperience == null)
{
return(null);
}
else
{
return(userMarkExperience.UserRating);
}
}
public async Task <bool> Post(string markId, float?rating)
{
bool updateWasSuccessful = false;
// Check parameters
if (markId == null || rating == null)
{
throw new HttpResponseException(HttpStatusCode.BadRequest);
}
UserMarkExperience userMarkExperience = await context.UserMarkExperiences.FindAsync(LoggedUserId, markId);
if (userMarkExperience == null)
{
await context.InsertUserMarkExperience(LoggedUserId, markId);
}
updateWasSuccessful = await updateMarkRating(markId, rating);
return(updateWasSuccessful);
}
private async Task <bool> updateMarkRating(string markId, float?rating)
{
bool updateWasSuccessful = false;
using (DbContextTransaction transaction = context.Database.BeginTransaction())
{
try
{
UserMarkExperience userMarkExperience = await context.UserMarkExperiences.FindAsync(LoggedUserId, markId);
validateOwner(userMarkExperience);
userMarkExperience.Mark.RatingsSum -= userMarkExperience.UserRating;
userMarkExperience.Mark.RatingsSum += rating.Value;
userMarkExperience.UserRating = rating.Value;
userMarkExperience.LastSeen = DateTime.Now;
if (!userMarkExperience.HasUserRated)
{
userMarkExperience.Mark.RatingsCount++;
userMarkExperience.HasUserRated = true;
}
userMarkExperience.Mark.UpdateRating();
await context.SaveChangesAsync();
transaction.Commit();
updateWasSuccessful = true;
}
catch (Exception ex)
{
LogTools.LogException(ex);
transaction.Rollback();
throw ex;
}
}
return(updateWasSuccessful);
}
public async Task <bool> Post(string markId)
{
bool updateWasSuccessful = false;
if (markId == null)
{
throw new HttpResponseException(HttpStatusCode.BadRequest);
}
UserMarkExperience userMarkExperience = await context.UserMarkExperiences.FindAsync(LoggedUserId, markId);
if (userMarkExperience == null)
{
updateWasSuccessful = await context.InsertUserMarkExperience(LoggedUserId, markId);
}
else
{
updateWasSuccessful = await updateLastSeenTime(markId);
}
return(updateWasSuccessful);
}
