internal Season(Show _show)
{
seasonNo = -1;
episodes = new ObservableEpisodeCollection();
show = _show;
if (show != null) { show.Seasons.Add(this); }
}
internal ExternalShow(ExternalSource _source, Show _show)
{
externalSource = _source;
show = _show;
if (externalSource != null) { externalSource.ExternalShows.Add(this); }
if (show != null) { show.ExternalShows.Add(this); }
}
public Season GetSeason(Show show, int seasonNo)
{
//See if the show contains the given season
return (from Season season in show.Seasons
where season.SeasonNo == seasonNo
select season).FirstOrDefault();
//The building of the show would have loaded any seasons for it, so if it wasn't found it didn't exist.
}
public Season CreateOrGetSeason(Show show, int season, bool persist = true)
{
//Check if we already have it
Season _season = GetSeason(show, season);
if (_season == null)
{
//Create a new season
_season = create(show: show, seasonNo: season);
//Store as XML
Pack(_season);
if (persist) { factory.Persist(); }
}
return _season;
}
public void DeleteShow(Show deleted, bool cascade = false)
{
//Cascade to children if called for
if (cascade)
{
foreach (Season season in deleted.Seasons) { factory.SeasonRepository.DeleteSeason(season, cascade); }
foreach (ExternalShow ext in deleted.ExternalShows) { factory.ExternalShowRepository.DeleteExternalShow(ext, cascade); }
}
//If no children are remaining, delete
if (deleted.ExternalShows.Count == 0 && deleted.Seasons.Count == 0)
{
//Updated references and cache
cacheByTitle.Remove(deleted.Title);
cacheByID.Remove(deleted.ID);
//Remove from tree & persist
FindElement(deleted.ID).Remove();
factory.Persist();
}
}
public ExternalShow CreateOrGetExternalShow(Show show, ExternalSource source, bool persist = true)
{
if (show == null || source == null)
{
//We can't really do this, so return null
return null;
}
ExternalShow _ext;
if (externalsByComposite.TryGetValue(BuildComposite(show, source.Title), out _ext)) { return _ext; }
//Create a new as needed
_ext = new ExternalShow(source, show);
//ID
_ext.ID = nextID++;
//Store in cache
externalsByComposite.Add(BuildComposite(_ext.Show, source.Title), _ext);
externalsByID.Add(_ext.ID, _ext);
//Add to document
XElement element = new XElement("External",
new XAttribute("Source", source.Title));
(factory.ShowRepository as XMLShowRepository).FindElement(show.ID).Add(element);
if (persist) { factory.Persist(); }
return _ext;
}
private Show create(long id = 0, string title = null)
{
Show _show = new Show();
if (id > 0) { _show.ID = id; }
else
{
//Create a new Show based on the next available ID. This needs to be thread safe.
lock (this)
{
_show.ID = nextID;
nextID++;
factory.ConfigurationRepository.SetValue("NextShowID", Convert.ToString(nextID), false);
}
}
//Store in cache
cacheByID.Add(_show.ID, _show);
if (title != null)
{
_show.Title = title;
cacheByTitle.Add(_show.Title, _show);
}
//Listen to changes of title and ID, to keep cache synced
_show.PropertyChanged += ShowPropertyChanged;
return _show;
}
internal void Pack(Show _item)
{
XElement element = FindElement(_item.ID);
if (element == null)
{
element = new XElement("Show", new XAttribute("ID", _item.ID));
document.Root.Element("Shows").Add(element);
}
//Title attribute
XAttribute _title = element.Attribute("Title");
if (_item.Title != null)
{
if (_title != null) { _title.Value = _item.Title; }
else { element.Add(new XAttribute("Title", _item.Title)); }
}
else { if (_title != null) { _title.Remove(); } }
//Year attribute
XAttribute _year = element.Attribute("Year");
if (_item.Year != null && _item.Year > 0)
{
if (_year != null) { _year.Value = Convert.ToString(_item.Year); }
else { element.Add(new XAttribute("Year", _item.Year)); }
}
else { if (_year != null) { _year.Remove(); } }
}
public void UpdateShow(Show updated, bool persist = true)
{
//Pack the item into the XML document
Pack(updated);
//Flush the file if called for
if (persist) { factory.Persist(); }
}
public ExternalShow GetExternalShow(Show show, ExternalSource source)
{
ExternalShow _ext;
if (externalsByComposite.TryGetValue(BuildComposite(show, source.Title), out _ext)) { return _ext; }
return null;
}
private string BuildComposite(Show show, string source)
{
return string.Format("{0}#{1}", show.Title, source);
}
private Season create(Show show, int seasonNo = 0, long id = 0)
{
Season _season = new Season(show);
if (id > 0) { _season.ID = id; }
else
{
lock (this)
{
//Create new based on next ID
_season.ID = nextID;
nextID++;
factory.ConfigurationRepository.SetValue("NextSeasonID", Convert.ToString(nextID), false);
}
}
if (seasonNo > 0)
{
//Store in cache
_season.SeasonNo = seasonNo;
cacheByComposite.Add(_season.Composite, _season);
}
//Add to dictionaries and persist
cacheByID.Add(_season.ID, _season);
//Listen to changes of title and ID, to keep cache synced
_season.PropertyChanged += SeasonPropertyChanged;
return _season;
}
