public IActionResult Create(TvProgram tvProgram)
{
if (ModelState.IsValid) {
_context.TvPrograms.Add(tvProgram);
_context.SaveChanges();
return RedirectToAction("Index");
}
return View(tvProgram);
}
protected TvProgram GetOrCreateTvProgramFromListingInfo(IAddTvBroadCastListingInfo info)
{
// find or create a TvProgram with the same Title.
// This is overly eager to match and should be comparing previous broadcasts on this channel or from this source maybe.
var program = FindExistingProgramByTitle(info.ProgramTitle);
if (program == null) {
// no program found - create a new one
program = new TvProgram {
ProgramTitle = info.ProgramTitle
};
TvPrograms.Add(program);
}
return program;
}
/// <summary>
/// Locates an existing TvEpisode by series and episode number match
/// </summary>
/// <param name="episodeTitle"></param>
/// <returns></returns>
protected TvProgramEpisode FindExistingEpisodeByNumber(TvProgram program, int? seriesNumber, int? episodeNumber)
{
if (program.TvProgramId == 0) {
return null;
}
var local = ChangeTracker.Entries<TvProgramEpisode>().FirstOrDefault(x =>
x.Property(y => y.TvProgramId).CurrentValue == program.TvProgramId
&& x.Property(y => y.SeriesNumber).CurrentValue == seriesNumber
&& x.Property(y => y.EpisodeNumber).CurrentValue == episodeNumber
);
if (local != null) {
return local.Entity;
}
// find the *FIRST* matching item
return TvEpisodes.FirstOrDefault(x =>
x.TvProgramId == program.TvProgramId
&& x.SeriesNumber == seriesNumber
&& x.EpisodeNumber == episodeNumber
);
}
protected TvProgramEpisode GetOrCreateTvProgramEpisodeFromListingInfo(TvProgram program, IAddTvBroadCastListingInfo info)
{
TvProgramEpisode episode;
// first check if our new info has both series and episode number
if (info.SeriesNumber.HasValue && info.EpisodeNumber.HasValue) {
// check in the database for matching ProgramId, SeriesNumber, EpisodeNumber - that's a definitive link
episode = FindExistingEpisodeByNumber(program, info.SeriesNumber, info.EpisodeNumber);
if (
episode == null // nothing found at all
|| episode.EpisodeTitle != info.EpisodeTitle // an in-exact match which we'll duplicate
|| episode.EpisodeDescription != info.EpisodeDescription
) {
// create one with this info and save it
episode = new TvProgramEpisode {
TvProgram = program,
EpisodeTitle = info.EpisodeTitle,
EpisodeDescription = info.EpisodeDescription,
SeriesNumber = info.SeriesNumber,
EpisodeNumber = info.EpisodeNumber
};
TvEpisodes.Add(episode);
}
}
// If the series and episode aren't both set check if the episodetitle is set
else {
// if it is, check for an exact match on episodetitle and episodedescription
episode = FindExistingEpisodeByDescription(program, info.EpisodeTitle, info.EpisodeDescription);
if (
episode == null // nothing found at all
|| episode.SeriesNumber != info.SeriesNumber // an in-exact match which we'll duplicate
|| episode.EpisodeNumber != info.EpisodeNumber // an in-exact match which we'll duplicate
) {
// create a new one and save it
episode = new TvProgramEpisode {
TvProgram = program,
EpisodeTitle = info.EpisodeTitle,
EpisodeDescription = info.EpisodeDescription,
SeriesNumber = info.SeriesNumber,
EpisodeNumber = info.EpisodeNumber
};
TvEpisodes.Add(episode);
}
}
return episode;
}
/// <summary>
/// Locates an existing TvEpisode by simple name match, or returns null if none found
/// </summary>
/// <param name="episodeTitle"></param>
/// <returns></returns>
protected TvProgramEpisode FindExistingEpisodeByDescription(TvProgram program, string episodeTitle, string episodeDescription)
{
if (program.TvProgramId == 0) {
return null;
}
var local = ChangeTracker.Entries<TvProgramEpisode>().FirstOrDefault(x =>
x.Property(y => y.TvProgramId).CurrentValue == program.TvProgramId
&& x.Property(y => y.EpisodeTitle).CurrentValue == episodeTitle
&& x.Property(y => y.EpisodeDescription).CurrentValue == episodeDescription
);
if (local != null) {
return local.Entity;
}
// find the *FIRST* matching item
return TvEpisodes.FirstOrDefault(x =>
x.TvProgramId == program.TvProgramId
&& x.EpisodeTitle == episodeTitle
&& x.EpisodeDescription == episodeDescription
);
}