Gremlin/Gremlin_BlazorServer/Services/GenericController.cs

77 lines
2.3 KiB
C#

using Gremlin_BlazorServer.Data.DBClasses;
using Gremlin_BlazorServer.Data.EntityClasses;
using Microsoft.EntityFrameworkCore;
using System;
using System.Linq;
namespace Gremlin_BlazorServer.Services;
public class GenericController {
private readonly GremlinDb gremlinDb = new();
public IList<TResult> GetAll<TResult>() where TResult : class, IMetadata {
return gremlinDb.Set<TResult>().ToList();
}
public IList<TResult> GetAll<TResult>(string include) where TResult : class, IMetadata {
return gremlinDb.Set<TResult>().Include(include).ToList();
}
public IList<TResult> GetAll<TResult>(Predicate<TResult> search) where TResult : class, IMetadata {
return gremlinDb.Set<TResult>().AsEnumerable().Where(t => search(t)).ToList();
}
public IList<TResult> GetAll<TResult>(Predicate<TResult> search, string include) where TResult : class, IMetadata {
return gremlinDb.Set<TResult>().Include(include).AsEnumerable().Where(t => search(t)).ToList();
}
public TResult? Get<TResult>(Predicate<TResult> search) where TResult : class, IMetadata {
return gremlinDb.Set<TResult>().AsEnumerable().FirstOrDefault(t => search(t));
}
public TResult? Get<TResult>(Predicate<TResult> search, string include) where TResult : class, IMetadata {
return gremlinDb.Set<TResult>().Include(include).AsEnumerable().FirstOrDefault(t => search(t));
}
public TResult GetLast<TResult>() where TResult : class, IMetadata {
return gremlinDb.Set<TResult>().AsEnumerable().Last();
}
public bool Insert<T>(T entity) where T : class, IMetadata
{
try
{
gremlinDb.Set<T>().Add(entity);
if (typeof(T) == typeof(Account))
{
Account account = entity as Account;
System.Console.WriteLine($"Added {account.SapAccountNumber}:{account.AccountName} to database, try to save...");
}
return gremlinDb.SaveChanges() > 0;
}
catch (Exception exception)
{
Console.WriteLine(exception.InnerException);
return false;
}
}
public bool Insert<T>(List<T> entities) where T : class, IMetadata
{
try
{
gremlinDb.Set<T>().AddRange(entities);
return gremlinDb.SaveChanges() > 0;
}
catch (Exception exception)
{
Console.WriteLine(exception.InnerException);
return false;
}
}
public bool IsExisting<T>(Predicate<T> search) where T : class, IMetadata
{
return gremlinDb.Set<T>().AsEnumerable().Any(t => search(t));
}
}