/// <summary>
/// Book is Deassigned if it is returned
/// </summary>
/// <param> AssignBookDomainModel</param>
/// <returns>bool<BorrowersDomainModel> </returns>
public bool DeAssignBook(AssignBookDomainModel obj)
{
//Assigning the book and updating the list
IList <AssignBookDomainModel> AssignList = MemoryCache.Get <IList <AssignBookDomainModel> >("AssignBookList").ToList();
AssignList.Where(d => d.BookID == obj.BookID && d.BorrowerID == obj.BorrowerID).ToList().ForEach(i => i.isCurrentlyAssigned = false);
//Updating the TotalAssigned Books
IList <BooksDomainModel> bookList = MemoryCache.Get <IList <BooksDomainModel> >("BooksList").ToList();
bookList.First(d => d.ID == obj.BookID).TotalAssigned -= 1;
return(true);
}
/// <summary>
/// Data is being joined from all the lists in Memory Cache
/// </summary>
/// <param> SearchCriteria</param>
/// <returns>IList<AssignBookDomainModel> </returns>
private IList <AssignBookDomainModel> GetInnerJoinOfLists()
{
IList <AssignBookDomainModel> AssignList = MemoryCache.Get <IList <AssignBookDomainModel> >("AssignBookList").ToList();
IList <BooksDomainModel> booksList = MemoryCache.Get <IList <BooksDomainModel> >("BooksList").ToList();
IList <BorrowersDomainModel> borowerList = MemoryCache.Get <IList <BorrowersDomainModel> >("BorrowersList").ToList();
var assignedList = from assign in AssignList
join bk in booksList
on assign.BookID equals bk.ID
join bl in borowerList
on assign.BorrowerID equals bl.ID
select new
{
bk.Title,
bl.FirstName,
bl.LastName,
assign.isCurrentlyAssigned,
assign.AssignedDate,
assign.DueDate,
assign.BookID,
assign.BorrowerID
};
IList <AssignBookDomainModel> resList = new List <AssignBookDomainModel>();
foreach (var v in assignedList)
{
AssignBookDomainModel m = new AssignBookDomainModel();
m.BookID = v.BookID;
m.BorrowerID = v.BorrowerID;
m.DueDate = v.DueDate;
m.FirstName = v.FirstName;
m.LastName = v.LastName;
m.isCurrentlyAssigned = v.isCurrentlyAssigned;
m.Title = v.Title;
m.AssignedDate = v.AssignedDate;
resList.Add(m);
}
return(resList);
}
/// <summary>
/// Book is assigned to the Borrower
/// </summary>
/// <param> AssignBookDomainModel</param>
/// <returns>bool<BorrowersDomainModel> </returns>
public bool AssignBook(AssignBookDomainModel obj)
{
//Assigning the book and updating the list
IList <AssignBookDomainModel> AssignList = MemoryCache.Get <IList <AssignBookDomainModel> >("AssignBookList").ToList();
obj.isCurrentlyAssigned = true;
AssignList.Add(obj);
//Updating the AssignList
Common.InMemoryOperations.UpdateList(AssignList, "AssignBookList");
//Updating the TotalAssigned Books as it can be updated in list as reference
IList <BooksDomainModel> bookList = MemoryCache.Get <IList <BooksDomainModel> >("BooksList").ToList();
bookList.First(d => d.ID == obj.BookID).TotalAssigned += 1;
return(true);
}
