public async Task UpdateEssayInDb(CreateEssayViewModel model, string[] tags)
{
Essay essay = ReturnUpdatedEssay(model);
db.Update(essay);
await db.SaveChangesAsync();
await UpdateTagsInDb(model, tags, essay);
}
public CreateEssayViewModel ReturnEssayViewModel(Essay essay, List <EssayTag> essayTag)
{
var model = new CreateEssayViewModel {
Content = essay.Content, Description = essay.Description, Name = essay.Name,
Specialization = essay.Specialization, Id = essay.Id, Tags = ConvertTagsToString(essayTag)
};
return(model);
}
public async Task CreateEssayInDb(CreateEssayViewModel model, string[] tags)
{
var user = await userManager.GetUserAsync(User);
Essay essay = AddNewEssayToDb(model, user).Result;
await AddNewTags(tags, essay);
await userManager.UpdateAsync(user);
}
public Essay ReturnUpdatedEssay(CreateEssayViewModel model)
{
Essay essay = db.Essays.Where(e => e.Id == model.Id).First();
essay.Name = model.Name;
essay.Description = model.Description;
essay.Specialization = model.Specialization;
essay.Content = model.Content;
return(essay);
}
public async Task <Essay> AddNewEssayToDb(CreateEssayViewModel model, ApplicationUser user)
{
db.Essays.Add(new Essay {
Name = model.Name, Description = model.Description, Specialization = model.Specialization,
Content = model.Content, CreationTime = DateTime.Now, VotersCount = 0, AverageRating = 0, UserId = user.Id
});
await db.SaveChangesAsync();
return(db.Essays.Where(t => t.Name == model.Name && t.Specialization == model.Specialization &&
t.Description == model.Description).FirstOrDefault());
}
public async Task <IActionResult> SaveEssay(CreateEssayViewModel model)
{
string[] tags = model.Tags.Split(",");
if (db.Essays.Any(e => e.Id == model.Id))
{
await UpdateEssayInDb(model, tags);
}
else
{
await CreateEssayInDb(model, tags);
}
return(View("SaveEssay"));
}
public async Task DeleteMissingTags(CreateEssayViewModel model, string[] tags)
{
var tagsToEssay = db.EssayToTags.Where(e => e.EssayId == model.Id).ToList();
foreach (var temporary in tagsToEssay)
{
if (tags.Contains(temporary.TagId))
{
continue;
}
else
{
TakeMissingTagFromDb(temporary);
}
}
await db.SaveChangesAsync();
}
public async Task UpdateTagsInDb(CreateEssayViewModel model, string[] tags, Essay essay)
{
await DeleteMissingTags(model, tags);
await AddNewTags(tags, essay);
}
