public ChangesSet GetChanges(int importId, string userId)
{
try
{
var result = new ChangesSet();
var import = _context.ImportLists.Where(x => x.UserId == userId && x.Id == importId).FirstOrDefault();
if (import == null)
{
throw new NullReferenceException("Import not found");
}
var previousImports = _context.ImportLists.Where(x => x.UserId == userId && x.TargetName == import.TargetName && x.Id < importId).ToArray();
var previousImport = _context.ImportLists.Where(x => x.UserId == userId && x.TargetName == import.TargetName && x.Id < importId).OrderByDescending(x => x.Id).FirstOrDefault();
if (previousImport == null)
{
return(result);
}
var initialImportFollowers = _context.InstaUsers.Where(x => x.ImportId == importId).ToList();
var previousImportFollowers = _context.InstaUsers.Where(x => x.ImportId == previousImport.Id).ToList();
result.NewFollowers = initialImportFollowers.Except(previousImportFollowers, new InstaUserComparer());
result.PastFollowers = previousImportFollowers.Except(initialImportFollowers, new InstaUserComparer());
return(result);
}
catch (Exception ex)
{
throw ex;
}
}
/// <summary>
/// This method returns the Changes Set
/// </summary>
public static ChangesSet GetChangesSet(List <ExcludeInfo> originalValues, List <ExcludeInfo> currentValues)
{
// initial value
ChangesSet changesSet = new ChangesSet();
// if both lists of objects have items
if (ListHelper.HasOneOrMoreItems(originalValues, currentValues))
{
// Iterate the collection of ExcludeInfo objects
foreach (ExcludeInfo original in originalValues)
{
// find the current value of this type
ExcludeInfo current = currentValues.FirstOrDefault(x => x.TableId == original.TableId && x.ObjectType == original.ObjectType && x.FieldId == original.FieldId);
// If the current object exists and the values for Exclude are different
if ((NullHelper.Exists(current)) && (current.Exclude != original.Exclude))
{
// Add this change
changesSet.Changes.Add(current);
}
}
}
// return value
return(changesSet);
}
/// <summary>
/// This method returns the Changes Set
/// </summary>
public ChangesSet GetChangesSet()
{
// initial value
ChangesSet changesSet = null;
// If the DataEditorControl object exists
if (DataEditorControl != null)
{
// set the return value
changesSet = DataEditorControl.GetChangesSet();
}
// return value
return(changesSet);
}