/// <summary>
/// Update the abstract book associated with the spcified AbstractBookModel instance.
/// </summary>
/// <param name="abstractBook">The AbstractBookModel entity instance to update.</param>
public void Update(AbstractBookModel abstractBook)
{
try
{
using (Context context = new Context())
{
context.AbstractBooks.Attach(abstractBook);
context.Entry(abstractBook).State = EntityState.Modified;
context.SaveChanges();
}
}
catch (Exception e)
{
logsRepository.Add(e.Message);
}
}
/// <summary>
/// Adds an abstract book to the database.
/// </summary>
/// <param name="abstarctBook">The AbstractBookModel entity instance to add.</param>
/// <returns>A fully populated AbstarctBookModel entity instance.</returns>
public AbstractBookModel Add(AbstractBookModel abstractBook)
{
try
{
using (Context context = new Context())
{
context.AbstractBooks.Add(abstractBook);
context.SaveChanges();
return(abstractBook);
}
}
catch (Exception e)
{
logsRepository.Add(e.Message);
}
return(null);
}
/// <summary>
/// Posts new book to the server.
/// </summary>
public void AddBook()
{
AbstractBookModel abstractBook = null;
HttpResponseMessage httpResponse = null;
if (IsJournal)
{
abstractBook = GetJournal();
if (abstractBook != null)
{
httpResponse = ConstantsHelper.Post(abstractBook, booksApiUrl + "/PostJournal", httpClient);
var addedBook = httpResponse.Content.ReadAsAsync <JournalModel>().Result;
Journals.Add(addedBook);
}
}
else if (IsBook)
{
abstractBook = GetBook();
if (abstractBook != null)
{
httpResponse = ConstantsHelper.Post(abstractBook, booksApiUrl + "/PostBooks", httpClient);
var addedBook = httpResponse.Content.ReadAsAsync <BookModel>().Result;
Books.Add(addedBook);
}
}
else
{
Message = "Book or journal must be choose";
}
if (httpResponse != null)
{
if (httpResponse.IsSuccessStatusCode)
{
Message = $"{abstractBook.Name} has been added successfully";
}
else
{
Message = "There was an error! check the fields to see if anything is missing";
}
}
}
/// <summary>
/// Adds a purchase to the database.
/// </summary>
/// <param name="purchase">The PurchaseModel entity instance to add.</param>
/// <returns>A fully populated PurchaseModel entity instance.</returns>
public PurchaseModel Add(PurchaseModel purchase)
{
try
{
using (Context context = new Context())
{
AbstractBookModel book = context.AbstractBooks.Find(purchase.AbstractBookId);
purchase.TotalPrice = (book.DiscountPercentage / 100) * book.Price;
context.Purchases.Add(purchase);
context.SaveChanges();
return(context.Purchases.Include(p => p.AbstractBook).Include(p => p.Customer).Include(p => p.Employee).FirstOrDefault(p => p.Id == purchase.Id));
}
}
catch (Exception e)
{
logsRepository.Add(e.Message);
}
return(null);
}
