public void SavePublisher(string pubID, string name, string city)
{
Validate._Error e = new Validate._Error();
e.Msg = string.Empty;
e.Caught = false;
if (!Validate.IsFieldPopulated(name.Trim()))
{
e = Validate.UpdateErrorObject(e, "Publisher name cannot be blank.", true);
}
else
{
if(!Validate.IsStringShortEnough(name, 40))
{
e=Validate.UpdateErrorObject(e, "Publisher name cannot be longer than 40 characters.", true);
}
}
if (!Validate.IsStringShortEnough(city, 20))
{
e = Validate.UpdateErrorObject(e, "City cannot be more than 20 characters.", true);
}
//If errors caught then throw exception with error message
if (e.Caught)
{
throw new Exception(e.Msg);
}
//if we made it this far then no errors found
using (pubsEntities context = new pubsEntities())
{
publisher pub = context.publishers.FirstOrDefault(x => x.pub_id == pubID);
pub.pub_name = name.Trim();
pub.city = city.Trim();
context.publishers.ApplyCurrentValues(pub);
context.SaveChanges();
}
}
/// <summary>
/// Method for retrieving a given publisher's PR and sales contacts
/// </summary>
/// <param name="pubID">Publisher's ID</param>
/// <returns>List of type _Contact</returns>
public static List<_Contact> GetContacts(string pubID)
{
List<_Contact> contacts = new List<_Contact>();
using (pubsEntities context = new pubsEntities())
{
IEnumerable<employee> employees = context.employees.Where(x => x.pub_id == pubID &&
(x.job_id == 8 || x.job_id == 13));
foreach (employee e in employees)
{
_Contact c = new _Contact();
c.JobTitle = e.job.job_desc;
c.Name = e.lname + ", " + e.fname;
contacts.Add(c);
}
return contacts.OrderBy(x => x.JobTitle).ThenBy(x => x.Name).ToList();
}
}
public static void AddPub(string pubName, string city, string state)
{
StringBuilder error = new StringBuilder();
bool eCaught = false;
if (pubName.Trim().Length > 40 || pubName.Trim().Length==0)
{
eCaught = true;
error.Append("Publisher Name cannot be blank and cannot be longer than 40 characters. ");
}
if (city.Trim().Length > 20)
{
eCaught = true;
error.Append("City cannot be longer than 20 characters.");
}
if (eCaught) throw new Exception(error.ToString());
using (pubsEntities context = new pubsEntities())
{
publisher pub = new publisher();
//pub_id code must be a 4 digit code beginning with 99. get list of existing and find next available code
int nextCode = 9900;
string strNextCode = nextCode.ToString();
while (context.publishers.Any(x => x.pub_id == strNextCode))
{
nextCode++;
strNextCode = nextCode.ToString();
}
pub.pub_id = strNextCode;
pub.pub_name = pubName.Trim();
pub.city = city.Trim();
pub.state = state;
try
{
context.publishers.AddObject(pub);
context.SaveChanges();
}
catch
{
throw new Exception("Sorry, the maximum number of publishers has been exceeded. Your publisher cannot be added.");
}
}
}
/// <summary>
/// Calculates a set of royalties per title/order, per author
/// </summary>
/// <param name="pubID">The ID of the publisher</param>
/// <returns>List collection of type _Royalty</returns>
public static List<_Royalty> GetRoyalties(string pubID)
{
List<_Royalty> royalties = new List<_Royalty>();
using (pubsEntities context = new pubsEntities())
{
//First get the publisher selected
publisher pub = context.publishers.FirstOrDefault(x => x.pub_id == pubID);
//Get list of all sales for the selected pub
IEnumerable<sale> orders = context.sales.Where(x => x.title.pub_id == pubID);
//Iterate through the orders and calculate the royalty for each
foreach (sale o in orders)
{
IEnumerable<titleauthor> tauthors = context.titleauthors.Where(x => x.title_id == o.title_id);
foreach (titleauthor ta in tauthors)
{
_Royalty r = new _Royalty();
r.StoreName = o.store.stor_name;
r.OrderNumber = o.ord_num;
r.OrderDate = o.ord_date.ToShortDateString();
r.Title = o.title.title1;
r.Title = ta.title.title1;
r.Author = ta.author.au_lname + ", " + ta.author.au_fname;
//Now calculate the royalty for the current order, as long as the price and royalty are not missing for the order title
if (o.title.price != null && o.title.royalty != null)
{
decimal saleAmount = (decimal)o.qty * Convert.ToDecimal(o.title.price);
//I'm making the assumption that the Royalty field in table title will get updated automatically from table roysched when the next title sales qty threshold is reached
decimal royaltyRate = Convert.ToDecimal(o.title.royalty) / 100;
decimal royaltyPercent = Convert.ToDecimal(ta.royaltyper) / 100;
//calculate the royalty amount and convert it to a string formatted as currency
//r.Royalty = String.Format("{0:C}", (saleAmount * royaltyRate * royaltyPercent));
r.Royalty = (saleAmount * royaltyRate * royaltyPercent).ToString("C");
}
else
{
//No price for the current title is set in the db, so royalty cannot be computed
r.Royalty = "Not available. No price set.";
}
//add the r object to the list
royalties.Add(r);
}
}
}
//sort the list by author, before returning
return royalties.OrderBy(x=>x.StoreName).ThenBy(x=>x.OrderNumber).ThenBy(x => x.Author).ToList();
}
/// <summary>
/// Retrieves a list of publishers from the database
/// </summary>
/// <returns>List collection of type publisher</returns>
public static List<publisher> GetPublishers()
{
using (pubsEntities context = new pubsEntities())
{
IEnumerable<publisher> pList = context.publishers.OrderBy(x => x.pub_name);
return pList.ToList();
}
}
public static publisher GetSinglePub(string pubID)
{
using (pubsEntities context = new pubsEntities())
{
return context.publishers.FirstOrDefault(x => x.pub_id == pubID);
}
}
