/// <summary>
/// Gets a list of art by selected list items. Returns a List<Art>.
/// </summary>
/// <param name="db"></param>
/// <param name="selects"></param>
/// <returns></returns>
public static List <Art> GetArtsBySelectListItems(ArtDb db, IEnumerable <SelectListItem> selects)
{
List <string> names = (List <string>)selects.Select(a => a.Text);
List <Art> arts = (List <Art>)db.DbArt.Where(a => names.Contains(a.Name));
return(arts);
}
/// <summary>
/// Gets all sculptures from Art db and sorts them into a key value pair by date.
/// </summary>
/// <param name="db"></param>
/// <returns></returns>
public static IDictionary <DateTime, IEnumerable <Art> > GetAllSculpturesMap(ArtDb db)
{
IEnumerable <Art> sculptures = db.DbArt.OrderByDescending(e => e.Date)
.Where(p => p.Type == Medium.SCULPTURE);
IDictionary <DateTime, IEnumerable <Art> > set =
new Dictionary <DateTime, IEnumerable <Art> >();
DateTime date = new DateTime();
foreach (var sculpture in sculptures)
{
if (sculpture.Date.Year != date.Year)
{
List <Art> sculpt = new List <Art>();
IEnumerable <Art> art = new List <Art>();
sculpt.Add(sculpture);
art = sculpt;
set.Add(sculpture.Date, art);
date = sculpture.Date;
}
else
{
IEnumerable <Art> art = set[date];
List <Art> sculpt = (List <Art>)art;
sculpt.Add(sculpture);
art = sculpt;
set[date] = art;
}
}
return(set);
}
/// <summary>
/// Gets all paintings from Art db and sorts them into a key value pair by date.
/// </summary>
/// <param name="db"></param>
/// <returns></returns>
public static IDictionary <DateTime, IEnumerable <Art> > GetAllPaintingsMap(ArtDb db)
{
IEnumerable <Art> paintings = db.DbArt.OrderByDescending(e => e.Date)
.Where(p => p.Type == Medium.PAINTING);
IDictionary <DateTime, IEnumerable <Art> > set =
new Dictionary <DateTime, IEnumerable <Art> >();
DateTime date = new DateTime();
foreach (var painting in paintings)
{
if (painting.Date.Year != date.Year)
{
List <Art> paint = new List <Art>();
IEnumerable <Art> art = new List <Art>();
paint.Add(painting);
art = paint;
set.Add(painting.Date, art);
date = painting.Date;
}
else
{
IEnumerable <Art> art = set[date];
List <Art> paint = (List <Art>)art;
paint.Add(painting);
art = paint;
set[date] = art;
}
}
return(set);
}
/// <summary>
/// Fills an Exhibit with an art gallery.
/// </summary>
/// <param name="db"></param>
/// <param name="exhibit"></param>
/// <returns></returns>
public static Exhibit FillExhibit(ArtDb db, Exhibit exhibit)
{
if (exhibit != null)
{
exhibit.Gallery = ArtsDb.GetArtsByString(db, exhibit.ArtKeys);
}
return(exhibit);
}
/// <summary>
/// Gets a list of art by date with matching date and type.
/// </summary>
/// <param name="art"></param>
/// <returns></returns>
public static IEnumerable <Art> GetArtsByDate(ArtDb db, Art art)
{
int date = art.Date.Year;
Medium type = art.Type;
IEnumerable <Art> arts = db.DbArt.Where(a => a.Date.Year == date)
.Where(a => a.Type == type);
return(arts);
}
/// <summary>
/// Fills a list of Exhibit with an art gallery.
/// </summary>
/// <param name="db"></param>
/// <param name="exhibits"></param>
/// <returns></returns>
public static IEnumerable <Exhibit> FillExhibits(ArtDb db,
IEnumerable <Exhibit> exhibits)
{
foreach (var item in exhibits)
{
item.Gallery = ArtsDb.GetArtsByString(db, item.ArtKeys);
}
return(exhibits);
}
/// <summary>
/// Returns latest Exhibit by date.
/// </summary>
/// <param name="db"></param>
/// <returns></returns>
public static Exhibit GetNews(ArtDb db)
{
Exhibit ex = db.DbExhibit.OrderByDescending(e => e.Date).FirstOrDefault();
if (ex != null)
{
return(FillExhibit(db, ex));
}
return(null);
}
public static bool HasExhibit(ArtDb db, string name)
{
Exhibit ex = db.DbExhibit.Find(name);
if (ex is null)
{
return(false);
}
return(true);
}
/// <summary>
/// Gets a list of art by name that match the date and type.
/// </summary>
/// <param name="art"></param>
/// <returns></returns>
public static IEnumerable <Art> GetArtsByName(ArtDb db, string name)
{
Art art = db.DbArt.Find(name);
int date = art.Date.Year;
Medium type = art.Type;
IEnumerable <Art> arts = db.DbArt.OrderByDescending(e => e.Date)
.Where(a => a.Date.Year == date)
.Where(a => a.Type == type);
return(arts);
}
/// <summary>
/// Gets a key-value pair of each Exhibit date and name in descending order.
/// </summary>
/// <param name="db"></param>
/// <returns></returns>
public static IDictionary <DateTime, string> GetExhibitMap(ArtDb db)
{
IEnumerable <Exhibit> exhibits = db.DbExhibit.OrderByDescending(e => e.Date).ToList();
IDictionary <DateTime, string> pair =
new Dictionary <DateTime, string>();
foreach (var ex in exhibits)
{
pair.Add(ex.Date, ex.Name);
}
return(pair);
}
/// <summary>
/// Gets a list of art by current year starting alphabetically.
/// Returns a List<SelectListItem> for ListBox in view.
/// </summary>
/// <param name="db"></param>
/// <returns></returns>
public static List <SelectListItem> GetCurrentArts_SelectListItems(ArtDb db)
{
List <SelectListItem> items = new List <SelectListItem>();
IEnumerable <Art> arts = db.DbArt.OrderBy(a => a.Name);
foreach (var piece in arts)
{
items.Add(new SelectListItem
{
Text = piece.Name
});
}
return(items);
}
/// <summary>
/// Gets a list of art by comma-separated string items. Returns a List<Art>.
/// </summary>
/// <param name="db"></param>
/// <param name="selects"></param>
/// <returns></returns>
public static IList <Art> GetArtsByString(ArtDb db, string selects)
{
IList <Art> arts = new List <Art>();
if (selects != null)
{
string[] names = selects.Split(',');
IEnumerable <Art> iArts = db.DbArt.Where(a => names.Contains(a.Name));
IList <Art> artset = new List <Art>(iArts);
arts = artset;
}
return(arts);
}
/// <summary>
/// Gets all painting dates from Art db and sorts them into a key value pair by date.
/// </summary>
/// <param name="db"></param>
/// <returns></returns>
public static IDictionary <DateTime, Medium> GetPaintingMap(ArtDb db)
{
IEnumerable <Art> paintings = db.DbArt.OrderByDescending(e => e.Date)
.Where(p => p.Type == Medium.PAINTING);
IDictionary <DateTime, Medium> set =
new Dictionary <DateTime, Medium>();
DateTime date = new DateTime();
foreach (var painting in paintings)
{
if (painting.Date.Year != date.Year)
{
set.Add(painting.Date, Medium.PAINTING);
date = painting.Date;
}
}
return(set);
}
/// <summary>
/// Gets all sculpture dates from Art db and sorts them into a key value pair by date.
/// </summary>
/// <param name="db"></param>
/// <returns></returns>
public static IDictionary <DateTime, Medium> GetSculptureMap(ArtDb db)
{
IEnumerable <Art> sculptures = db.DbArt.OrderByDescending(e => e.Date)
.Where(p => p.Type == Medium.SCULPTURE);
IDictionary <DateTime, Medium> set =
new Dictionary <DateTime, Medium>();
DateTime date = new DateTime();
foreach (var sculpt in sculptures)
{
if (sculpt.Date.Year != date.Year)
{
set.Add(sculpt.Date, Medium.SCULPTURE);
date = sculpt.Date;
}
}
return(set);
}
/// <summary>
/// Gets all paintings from Art db and sorts them into a list.
/// </summary>
/// <param name="db"></param>
/// <returns></returns>
public static IEnumerable <Art> GetAllPaintings(ArtDb db)
{
return(db.DbArt.OrderByDescending(e => e.Date).Where(p => p.Type == Medium.PAINTING));
}
public static void DeleteExhibit(ArtDb db, Exhibit exhibit)
{
db.DbExhibit.Remove(exhibit);
db.SaveChanges();
}
public static void UpdateArt(ArtDb db, Art art)
{
db.Entry(art).State = EntityState.Modified;
db.SaveChanges();
}
public static void DeleteArt(ArtDb db, Art art)
{
db.DbArt.Remove(art);
db.SaveChanges();
}
/// <summary>
/// Gets specific Art by name.
/// </summary>
/// <param name="db"></param>
/// <param name="name"></param>
/// <returns></returns>
public static Art GetArt(ArtDb db, string name)
{
return(db.DbArt.Find(name));
}
public static void AddArts(ArtDb db, IEnumerable <Art> arts)
{
db.DbArt.AddRange(arts);
}
/// <summary>
/// Exhibits are ordered in descending order, enabling first element
/// access to latest Exhibit by date. First element is news.
/// </summary>
/// <param name="db"></param>
/// <returns></returns>
public static IEnumerable <Exhibit> GetAllExhibits(ArtDb db)
{
IEnumerable <Exhibit> ex = db.DbExhibit.OrderByDescending(e => e.Date).ToList();
return(FillExhibits(db, ex));
}
/// <summary>
/// Gets Exhibit by name.
/// </summary>
/// <param name="db"></param>
/// <param name="name"></param>
/// <returns></returns>
public static Exhibit GetExhibit(ArtDb db, string name)
{
Exhibit ex = db.DbExhibit.Find(name);
return(FillExhibit(db, ex));
}
/// <summary>
/// Gets all sculptures from Art db and sorts them into a list.
/// </summary>
/// <param name="db"></param>
/// <returns></returns>
public static IEnumerable <Art> GetAllSculptures(ArtDb db)
{
return(db.DbArt.OrderByDescending(e => e.Date).Where(p => p.Type == Medium.SCULPTURE));
}
/// <summary>
/// Get all Art starting with most recent at index 0.
/// </summary>
/// <param name="db"></param>
/// <returns></returns>
public static IEnumerable <Art> GetAllArts(ArtDb db)
{
return(db.DbArt.OrderByDescending(e => e.Date).ToList());
}
public static void AddExhibits(ArtDb db, IEnumerable <Exhibit> exhibits)
{
db.DbExhibit.AddRange(exhibits);
}
