public void Delete(Opportunity opportunityToDelete)
{
var originalOpportunity = Get(opportunityToDelete.Id);
_entities.DeleteObject(originalOpportunity);
_entities.SaveChanges();
}
public Opportunity Create(Opportunity opportunityToCreate)
{
_entities.AddToOpportunitySet(opportunityToCreate);
_entities.SaveChanges();
return opportunityToCreate;
}
public Opportunity Update(Opportunity opportunityToUpdate)
{
var originalOpportunity = Get(opportunityToUpdate.Id);
_entities.ApplyCurrentValues(originalOpportunity.EntityKey.EntitySetName, opportunityToUpdate);
_entities.SaveChanges();
return opportunityToUpdate;
}
public OpportunityViewModel(Opportunity opportunity)
{
//creating the elements for opportunity status drop down list
var statuses = Enum.GetNames(typeof(OpportunityStatus));
Opportunity = opportunity;
Statuses = new SelectList(statuses, Opportunity.Status);
}
public bool ValidateOpportunity(Opportunity opportunityToValidate)
{
//convert null values to empty strings
opportunityToValidate.Description = opportunityToValidate.Description ?? "";
if (opportunityToValidate.Amount <= 0)
_validationDictionary.AddError("Opportunity.Amount", "Amount must be greater than 0.");
if (opportunityToValidate.Description.Trim().Length == 0)
_validationDictionary.AddError("Opportunity.Description", "Description is required.");
return _validationDictionary.IsValid;
}
public bool DeleteOpportunity(Opportunity opportunityToDelete)
{
try
{
_repository.Delete(opportunityToDelete);
}
catch
{
return false;
}
return true;
}
public bool EditOpportunity(Opportunity opportunityToEdit)
{
// Validation logic
if (!ValidateOpportunity(opportunityToEdit))
return false;
// Database logic
try
{
_repository.Update(opportunityToEdit);
}
catch
{
return false;
}
return true;
}
public bool CreateOpportunity(Opportunity opportunityToCreate)
{
// Validation logic
if (!ValidateOpportunity(opportunityToCreate))
return false;
// Database logic
try
{
_repository.Create(opportunityToCreate);
}
catch
{
return false;
}
return true;
}
public ActionResult Delete(Opportunity opportunity)
{
if (!_opportunityService.DeleteOpportunity(opportunity))
return View(opportunity);
return RedirectToAction("Index");
}
/// <summary>
/// Create a new Opportunity object.
/// </summary>
/// <param name="id">Initial value of the Id property.</param>
/// <param name="amount">Initial value of the Amount property.</param>
/// <param name="status">Initial value of the Status property.</param>
/// <param name="description">Initial value of the Description property.</param>
public static Opportunity CreateOpportunity(global::System.Int32 id, global::System.Double amount, global::System.String status, global::System.String description)
{
Opportunity opportunity = new Opportunity();
opportunity.Id = id;
opportunity.Amount = amount;
opportunity.Status = status;
opportunity.Description = description;
return opportunity;
}
/// <summary>
/// Deprecated Method for adding a new object to the OpportunitySet EntitySet. Consider using the .Add method of the associated ObjectSet<T> property instead.
/// </summary>
public void AddToOpportunitySet(Opportunity opportunity)
{
base.AddObject("OpportunitySet", opportunity);
}
