/// <summary>
/// Gets the entity keyword corresponding to the specified keyword.
/// </summary>
/// <param name="keyword">The keyword or null.</param>
/// <param name="context">The context.</param>
/// <returns>The entity or null.</returns>
/// <exception cref="ArgumentNullException">context</exception>
public static EfKeyword GetEfKeyword(Keyword keyword, BiblioDbContext context)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
if (keyword == null)
{
return(null);
}
EfKeyword ef = context.Keywords.FirstOrDefault(
k => k.Language == keyword.Language &&
k.Value == keyword.Value);
if (ef == null)
{
ef = new EfKeyword
{
Language = keyword.Language,
Value = keyword.Value,
Valuex = StandardFilter.Apply(keyword.Value, true)
};
context.Keywords.Add(ef);
}
return(ef);
}
private static EfWorkType GetOrCreateWorkType(string id, string name,
BiblioDbContext context)
{
// force a valid type
if (id == null)
{
id = "-";
}
if (name == null)
{
name = id;
}
// get it
EfWorkType ef = context.WorkTypes.Find(id);
if (ef == null)
{
ef = new EfWorkType
{
Id = id,
Name = name
};
context.WorkTypes.Add(ef);
}
else if (name != null)
{
ef.Name = name;
}
return(ef);
}
/// <summary>
/// Gets the author entity corresponding to the specified author.
/// </summary>
/// <param name="author">The author or null.</param>
/// <param name="context">The context.</param>
/// <returns>The entity or null.</returns>
/// <exception cref="ArgumentNullException">context</exception>
public static EfAuthor GetEfAuthor(Author author, BiblioDbContext context)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
if (author == null)
{
return(null);
}
EfAuthor ef = author.Id != Guid.Empty
? context.Authors.Find(author.Id) : null;
if (ef == null)
{
if (author.Last == null)
{
return(null);
}
ef = new EfAuthor();
context.Authors.Add(ef);
}
if (author.Last != null)
{
ef.First = author.First;
ef.Last = author.Last;
ef.Lastx = StandardFilter.Apply(author.Last, true);
ef.Suffix = author.Suffix;
}
return(ef);
}
/// <summary>
/// Gets the work information corresponding to the specified work
/// entity.
/// </summary>
/// <param name="ef">The entity or null.</param>
/// <param name="context">The context.</param>
/// <returns>The object or null.</returns>
/// <exception cref="ArgumentNullException">context</exception>
public static WorkInfo GetWorkInfo(EfWork ef, BiblioDbContext context)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
if (ef == null)
{
return(null);
}
WorkInfo info = new WorkInfo
{
IsContainer = false,
Id = ef.Id,
Key = ef.Key,
Type = ef.Type?.Name,
Title = ef.Title,
Language = ef.Language,
Edition = ef.Edition,
YearPub = ef.YearPub,
PlacePub = ef.PlacePub,
Number = ef.Number,
FirstPage = ef.FirstPage,
LastPage = ef.LastPage
};
// authors
if (ef.AuthorWorks?.Count > 0)
{
info.Authors = (from aw in ef.AuthorWorks
select new WorkAuthor
{
Id = aw.AuthorId,
First = aw.Author?.First,
Last = aw.Author?.Last,
Role = aw.Role,
Ordinal = aw.Ordinal
}).ToList();
}
// keywords
if (ef.KeywordWorks?.Count > 0)
{
info.Keywords = (from kw in ef.KeywordWorks
select new Keyword
{
Language = kw.Keyword?.Language,
Value = kw.Keyword?.Value
}).ToList();
}
// container
if (ef.Container != null)
{
info.Container = GetWorkInfo(ef.Container, context);
}
return(info);
}
private static void AddKeywords(IList <Keyword> keywords, EfWork work,
BiblioDbContext context)
{
// collect the keywords to be assigned, adding the missing ones
List <EfKeywordWork> requested = new List <EfKeywordWork>();
foreach (Keyword keyword in keywords)
{
// find the keyword by its content, as we have no ID
EfKeyword efk = context.Keywords.FirstOrDefault(k =>
k.Value == keyword.Value && k.Language == keyword.Language);
// if not found, add it
if (efk == null)
{
efk = new EfKeyword
{
Language = keyword.Language,
Value = keyword.Value,
Valuex = StandardFilter.Apply(keyword.Value, true)
};
context.Keywords.Add(efk);
}
requested.Add(new EfKeywordWork
{
Keyword = efk,
Work = work
});
}
// remove all the keywords which are no more requested
if (work.KeywordWorks != null)
{
foreach (EfKeywordWork kw in work.KeywordWorks)
{
if (requested.All(r => r.KeywordId != kw.KeywordId))
{
context.KeywordWorks.Remove(kw);
}
}
}
else
{
work.KeywordWorks = new List <EfKeywordWork>();
}
// add all those which are not yet present
foreach (EfKeywordWork kw in requested)
{
if (work.KeywordWorks.All(
r => r.KeywordId != kw.KeywordId))
{
work.KeywordWorks.Add(kw);
}
}
}
private static EfAuthor GetEfAuthorFor(WorkAuthor author,
BiblioDbContext context)
{
// find the author
EfAuthor efa = author.Id != Guid.Empty
? context.Authors.Find(author.Id) : null;
// if not found, add a new author
if (efa == null)
{
// if an existing author was required but was not found,
// just ignore him (defensive)
if (author.Last == null)
{
return(null);
}
// else we have a new author, add it
efa = new EfAuthor
{
First = author.First,
Last = author.Last,
Suffix = author.Suffix
};
author.Id = efa.Id; // update the received ID
context.Authors.Add(efa);
}
else
{
// if found, supply data in the source author if empty
if (author.Last == null)
{
author.First = efa.First;
author.Last = efa.Last;
author.Suffix = efa.Suffix;
}
// else update the target author
else
{
efa.First = author.First;
efa.Last = author.Last;
efa.Suffix = author.Suffix;
}
}
// update indexed last
efa.Lastx = StandardFilter.Apply(efa.Last, true);
return(efa);
}
private static void AddAuthors(IList <WorkAuthor> authors,
EfContainer container,
BiblioDbContext context)
{
// collect the authors to be assigned, adding the missing ones
List <EfAuthorContainer> requested = new List <EfAuthorContainer>();
foreach (WorkAuthor author in authors)
{
EfAuthor efa = GetEfAuthorFor(author, context);
if (efa == null)
{
continue;
}
requested.Add(new EfAuthorContainer
{
Author = efa,
Container = container
});
} // for
// remove all the no more requested authors
if (container.AuthorContainers != null)
{
foreach (EfAuthorContainer ac in container.AuthorContainers)
{
if (requested.All(r => r.AuthorId != ac.AuthorId))
{
context.AuthorContainers.Remove(ac);
}
}
}
else
{
container.AuthorContainers = new List <EfAuthorContainer>();
}
// add all those which are not yet present
foreach (EfAuthorContainer ac in requested)
{
if (container.AuthorContainers.All(
r => r.AuthorId != ac.AuthorId))
{
container.AuthorContainers.Add(ac);
}
}
}
private static void AddAuthors(IList <WorkAuthor> authors, EfWork work,
BiblioDbContext context)
{
// collect the authors to be assigned, adding the missing ones
List <EfAuthorWork> requested = new List <EfAuthorWork>();
foreach (WorkAuthor author in authors)
{
EfAuthor efa = GetEfAuthorFor(author, context);
if (efa == null)
{
continue;
}
requested.Add(new EfAuthorWork
{
Author = efa,
Work = work
});
} // for
// remove all the no more requested authors
if (work.AuthorWorks != null)
{
foreach (EfAuthorWork aw in work.AuthorWorks)
{
if (requested.All(r => r.AuthorId != aw.AuthorId))
{
context.AuthorWorks.Remove(aw);
}
}
}
else
{
work.AuthorWorks = new List <EfAuthorWork>();
}
// add all those which are not yet present
foreach (EfAuthorWork aw in requested)
{
if (work.AuthorWorks.All(
r => r.AuthorId != aw.AuthorId))
{
work.AuthorWorks.Add(aw);
}
}
}
private static char GetSuffixForKey(string key, BiblioDbContext context)
{
var existing = context.Works.FirstOrDefault(w => w.Key == key);
if (existing != null)
{
Match m = Regex.Match(existing.Key, @"\d+([a-z])?$");
if (m.Success && m.Groups[1].Value.Length > 0)
{
char c = m.Groups[1].Value[0];
if (c < 'z')
{
c++;
}
return(c);
}
}
return('\0');
}
/// <summary>
/// Gets the work entity corresponding to the specified type.
/// </summary>
/// <param name="type">The type or null.</param>
/// <param name="context">The context.</param>
/// <returns>The entity or null.</returns>
public static EfWorkType GetEfWorkType(WorkType type,
BiblioDbContext context)
{
if (type == null)
{
return(null);
}
EfWorkType ef = type.Id != null
? context.WorkTypes.Find(type.Id) : null;
if (ef == null)
{
ef = new EfWorkType
{
Id = type.Id
};
context.WorkTypes.Add(ef);
}
ef.Name = type.Name;
return(ef);
}
/// <summary>
/// Gets the work entity corresponding to the specified work.
/// </summary>
/// <param name="work">The work or null.</param>
/// <param name="context">The context.</param>
/// <returns>The entity or null.</returns>
/// <exception cref="ArgumentNullException">context</exception>
public static EfWork GetEfWork(Work work, BiblioDbContext context)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
if (work == null)
{
return(null);
}
// find the work unless new
EfWork ef = work.Id != Guid.Empty
? context.Works
.Include(w => w.AuthorWorks)
.Include(w => w.KeywordWorks)
.FirstOrDefault(w => w.Id == work.Id)
: null;
// if new or not found, add it with a new ID
if (ef == null)
{
ef = new EfWork();
context.Works.Add(ef);
}
// update the work
ef.Type = GetOrCreateWorkType(work.Type, null, context);
ef.Title = work.Title;
ef.Titlex = StandardFilter.Apply(work.Title, true);
ef.Language = work.Language;
ef.Container = GetEfContainer(work.Container, context);
ef.Edition = work.Edition;
ef.Publisher = work.Publisher;
ef.YearPub = work.YearPub;
ef.PlacePub = work.PlacePub;
ef.Location = work.Location;
ef.AccessDate = work.AccessDate;
ef.Number = work.Number;
ef.FirstPage = work.FirstPage;
ef.LastPage = work.LastPage;
ef.Note = work.Note;
// authors
if (work.Authors?.Count > 0)
{
AddAuthors(work.Authors, ef, context);
}
// keywords
if (work.Keywords?.Count > 0)
{
AddKeywords(work.Keywords, ef, context);
}
// key
ef.Key = WorkKeyBuilder.PickKey(ef.Key, work);
// add key suffix if required and possible
if (ef.Key?.StartsWith(WorkKeyBuilder.MAN_KEY_PREFIX) != true)
{
char c = GetSuffixForKey(ef.Key, context);
if (c != '\0')
{
ef.Key += c;
}
}
return(ef);
}
/// <summary>
/// Gets the container entity corresponding to the specified container.
/// </summary>
/// <param name="container">The container or null.</param>
/// <param name="context">The context.</param>
/// <returns>The entity or null.</returns>
/// <exception cref="ArgumentNullException">context</exception>
public static EfContainer GetEfContainer(Container container,
BiblioDbContext context)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
if (container == null)
{
return(null);
}
// get the container unless it's new
EfContainer ef = container.Id != Guid.Empty
? context.Containers
.Include(c => c.AuthorContainers)
.Include(c => c.KeywordContainers)
.FirstOrDefault(c => c.Id == container.Id)
: null;
// if new or not found, add it with a new ID
if (ef == null)
{
if (container.Title == null)
{
return(null);
}
ef = new EfContainer();
context.Containers.Add(ef);
}
// update the container unless empty
if (container.Title != null)
{
ef.Type = GetOrCreateWorkType(container.Type, null, context);
ef.Title = container.Title;
ef.Titlex = StandardFilter.Apply(container.Title, true);
ef.Language = container.Language;
ef.Edition = container.Edition;
ef.Publisher = container.Publisher;
ef.YearPub = container.YearPub;
ef.PlacePub = container.PlacePub;
ef.Location = container.Location;
ef.AccessDate = container.AccessDate;
ef.Number = container.Number;
ef.Note = container.Note;
// authors
if (container.Authors?.Count > 0)
{
AddAuthors(container.Authors, ef, context);
}
// keywords
if (container.Keywords?.Count > 0)
{
AddKeywords(container.Keywords, ef, context);
}
// key
ef.Key = WorkKeyBuilder.PickKey(ef.Key, container);
// add key suffix if required and possible
if (ef.Key?.StartsWith(WorkKeyBuilder.MAN_KEY_PREFIX) != true)
{
char c = GetSuffixForKey(ef.Key, context);
if (c != '\0')
{
ef.Key += c;
}
}
}
return(ef);
}
