public async Task <IActionResult> CreateAsync([FromBody] DomainModel.Note note)
{
using (var context = new NTR2019ZContext()) {
if (context.Note.Any(n => n.Title == note.Title))
{
return(StatusCode(400, "A note with title=\"" + note.Title + "\" already exists in the database"));
}
Note newNote = new Note()
{
Title = note.Title,
Description = note.Description,
Date = note.Date,
IsMarkdown = note.IsMarkdown,
};
context.Note.Add(newNote);
await context.SaveChangesAsync();
Array.ForEach(note.Categories.ToArray(), c => {
try{
Category cat;
using (var transaction = context.Database.BeginTransaction()){
var occurances = context.Category.Where(categoryObj => categoryObj.Name == c).ToList();
if (occurances.Count() == 0)
{
cat = new Category {
Name = c
};
context.Category.Add(cat);
context.SaveChanges();
}
else
{
cat = occurances.FirstOrDefault();
}
context.NoteCategory.Add(new NoteCategory {
Idnote = newNote.Idnote,
Idcategory = cat.Idcategory
});
context.SaveChanges();
transaction.Commit();
}
} catch (DbUpdateException e) {
Console.WriteLine(e.Message);
}
});
await context.SaveChangesAsync();
return(Ok());
}
}
public async Task <IActionResult> UpdateAsync(int?id, [FromBody] DomainModel.Note note)
{
if (id == null)
{
return(NotFound());
}
using (var context = new NTR2019ZContext()){
var noteToUpdate = await context.Note.Include(i => i.NoteCategory).ThenInclude(noteCategories => noteCategories.IdcategoryNavigation).FirstOrDefaultAsync(note => note.Idnote == id);
if (noteToUpdate == null)
{
return(NotFound());
}
context.Entry(noteToUpdate).Property("Timestamp").OriginalValue = note.Timestamp;
try
{
noteToUpdate.Date = note.Date;
noteToUpdate.Title = note.Title;
noteToUpdate.Description = note.Description;
noteToUpdate.IsMarkdown = note.IsMarkdown;
foreach (string category in note.Categories)
{
var cat = await context.Category.Where(categoryObj => categoryObj.Name == category).FirstOrDefaultAsync();
if (cat == null)
{
cat = new Category {
Name = category
};
context.Category.Add(cat);
}
var noteCategory = await context.NoteCategory.Where(nc => nc.IdcategoryNavigation.Name == category && nc.Idnote == noteToUpdate.Idnote).FirstOrDefaultAsync();
if (noteCategory == null)
{
context.Add(new NoteCategory {
Idnote = noteToUpdate.Idnote, IdcategoryNavigation = cat
});
}
}
await context.SaveChangesAsync();
return(Ok());
} catch (DbUpdateConcurrencyException ex)
{
var exceptionEntry = ex.Entries.Single();
var databaseEntry = exceptionEntry.GetDatabaseValues();
if (databaseEntry == null)
{
return(StatusCode(500, "The record you attempted to edit "
+ "was deleted."));
}
else
{
noteToUpdate.Timestamp = (byte[])noteToUpdate.Timestamp;
return(StatusCode(403, "The record you attempted to edit "
+ "was modified by another user after you got the original value. The "
+ "edit operation was canceled and the current values in the database "
+ "have been displayed. Refresh the page or click Back to List hyperlink."));
}
} catch (DbUpdateException ex)
{
return(StatusCode(500, ex.InnerException.Message));
}
}
}
