public async Task<string> AddRate(string courseId, Guid slideId, string userId, SlideRates rate)
{
var lastRate = db.SlideRates.FirstOrDefault(x => x.SlideId == slideId && x.UserId == userId);
if (lastRate == null)
{
db.SlideRates.Add(new SlideRate
{
Rate = rate,
UserId = userId,
SlideId = slideId,
CourseId = courseId
});
await db.SaveChangesAsync();
return "success";
}
if (lastRate.Rate == rate)
{
lastRate.Rate = SlideRates.NotWatched;
await db.SaveChangesAsync();
return "cancel";
}
lastRate.Rate = rate;
await db.SaveChangesAsync();
return "success";
}
public async Task <string> AddRate(string courseId, Guid slideId, string userId, SlideRates rate)
{
var lastRate = db.SlideRates.FirstOrDefault(x => x.SlideId == slideId && x.UserId == userId);
if (lastRate == null)
{
db.SlideRates.Add(new SlideRate
{
Rate = rate,
UserId = userId,
SlideId = slideId,
CourseId = courseId
});
await db.SaveChangesAsync();
return("success");
}
if (lastRate.Rate == rate)
{
lastRate.Rate = SlideRates.NotWatched;
await db.SaveChangesAsync();
return("cancel");
}
lastRate.Rate = rate;
await db.SaveChangesAsync();
return("success");
}
