public async Task <Result> TryCreate(Android android)
{
if (!android.IsValid)
{
return(new Result(false, "Android wasn`t created"));
}
if (await IsAndroid(android.Name))
{
return(new Result(false, "Android with this name already exists"));
}
if (android.Skills.Where(s => !s.IsValid).Count() > 0)
{
return(new Result(false, "Android wasn`t created: skill error"));
}
AndroidEntity androidEntity = new AndroidEntity {
Name = android.Name, Reliability = 10, Status = true, Avatar = android.Avatar
};
JobEntity job = await _context.Jobs.FirstOrDefaultAsync(j => j.Id == android.JobId);
if (job == null)
{
return(new Result(false, "Android wasn`t created: job error"));
}
androidEntity.Job = job;
SkillEntity skillEntity;
List <SkillToAndroidEntity> StoAs = new List <SkillToAndroidEntity>();
foreach (Skill s in android.Skills)
{
skillEntity = await _context.Skills.FirstOrDefaultAsync(e => e.Name == s.Name);
StoAs.Add(new SkillToAndroidEntity {
Skill = skillEntity, Android = androidEntity
});
}
await _context.Androids.AddAsync(androidEntity);
await _context.SaveChangesAsync();
await _context.Entry(androidEntity).Collection(a => a.SkillsToAndroids).LoadAsync();
foreach (SkillToAndroidEntity s in StoAs)
{
androidEntity.SkillsToAndroids.Add(s);
}
_context.Update(androidEntity);
await _context.SaveChangesAsync();
return(new Result(true));
}
public async Task <Result> TryDelete(int id)
{
AndroidEntity android = await _context.Androids.FirstOrDefaultAsync(a => a.Id == id);
if (android == null)
{
return(new Result(false, "Can`t find android with current id"));
}
_context.Androids.Remove(android);
await _context.SaveChangesAsync();
return(new Result(true));
}
protected override void OnCreate(Bundle savedInstanceState)
{
TabLayoutResource = Resource.Layout.Tabbar;
ToolbarResource = Resource.Layout.Toolbar;
base.OnCreate(savedInstanceState);
Forms.SetFlags("CollectionView_Experimental");
Forms.Init(this, savedInstanceState);
UserDialogs.Init(this);
AnimationViewRenderer.Init();
CachedImageRenderer.Init(false);
AndroidEntity.Init(this, savedInstanceState);
CarouselView.FormsPlugin.Android.CarouselViewRenderer.Init();
RegisterDependencies();
LoadApplication(new App());
}
public async Task <Result> TryUpdate(int id, Android android)
{
if (!android.IsValid)
{
return(new Result(false, "Android wasn`t updated"));
}
AndroidEntity androidEntity = await _context.Androids.SingleOrDefaultAsync(a => a.Id == id);
if (androidEntity == null)
{
return(new Result(false, "Can`t find android with current id"));
}
if (androidEntity.Reliability > 0)
{
JobEntity job = await _context.Jobs.SingleOrDefaultAsync(j => j.Id == android.JobId);
if (job == null)
{
return(new Result(false, "Android wasn`t updated: job error"));
}
if (job != androidEntity.Job)
{
androidEntity.Reliability--;
if (androidEntity.Reliability <= 0)
{
androidEntity.Status = false;
}
androidEntity.Job = job;
}
}
androidEntity.Name = android.Name;
androidEntity.Avatar = android.Avatar;
List <SkillEntity> skillEntities = new List <SkillEntity>();
SkillEntity currEntity;
foreach (Skill s in android.Skills)
{
if (!s.IsValid)
{
return(new Result(false, "Android wasn`t updated: skill error"));
}
currEntity = await _context.Skills.FirstOrDefaultAsync(e => e.Name == s.Name);
if (currEntity == null)
{
return(new Result(false, "Android wasn`t updated: skill error"));
}
skillEntities.Add(currEntity);
}
await _context.Entry(androidEntity).Collection(a => a.SkillsToAndroids).LoadAsync();
androidEntity.SkillsToAndroids.Clear();
foreach (SkillEntity e in skillEntities)
{
androidEntity.SkillsToAndroids.Add(new SkillToAndroidEntity {
Android = androidEntity, Skill = e
});
}
_context.Update(androidEntity);
await _context.SaveChangesAsync();
return(new Result(true));
}
