114 lines
3.2 KiB
C#
114 lines
3.2 KiB
C#
using LANCommander.Launcher.Data;
|
|
using LANCommander.Launcher.Data.Models;
|
|
using LANCommander.Launcher.Models;
|
|
using Microsoft.EntityFrameworkCore;
|
|
using System.Linq.Expressions;
|
|
|
|
namespace LANCommander.Launcher.Services
|
|
{
|
|
public abstract class BaseDatabaseService<T> : BaseService where T : BaseModel
|
|
{
|
|
protected DatabaseContext Context { get; set; }
|
|
|
|
public BaseDatabaseService(DatabaseContext dbContext) : base()
|
|
{
|
|
Context = dbContext;
|
|
}
|
|
|
|
public virtual async Task<ICollection<T>> Get()
|
|
{
|
|
return await Get(x => true).ToListAsync();
|
|
}
|
|
|
|
public virtual async Task<T> Get(Guid id)
|
|
{
|
|
using (var repo = new Repository<T>(Context))
|
|
{
|
|
return await repo.Find(id);
|
|
}
|
|
}
|
|
|
|
public virtual IQueryable<T> Get(Expression<Func<T, bool>> predicate)
|
|
{
|
|
using (var repo = new Repository<T>(Context))
|
|
{
|
|
return repo.Get(predicate);
|
|
}
|
|
}
|
|
|
|
public virtual bool Exists(Guid id)
|
|
{
|
|
return Get(id) != null;
|
|
}
|
|
|
|
public virtual async Task<T> Add(T entity)
|
|
{
|
|
using (var repo = new Repository<T>(Context))
|
|
{
|
|
entity = await repo.Add(entity);
|
|
await repo.SaveChanges();
|
|
|
|
return entity;
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Adds an entity to the database if it does exist as dictated by the predicate
|
|
/// </summary>
|
|
/// <param name="predicate">Qualifier expressoin</param>
|
|
/// <param name="entity">Entity to add</param>
|
|
/// <returns>Newly created or existing entity</returns>
|
|
public virtual async Task<ExistingEntityResult<T>> AddMissing(Expression<Func<T, bool>> predicate, T entity)
|
|
{
|
|
using (var repo = new Repository<T>(Context))
|
|
{
|
|
var existing = repo.Get(predicate).FirstOrDefault();
|
|
|
|
if (existing == null)
|
|
{
|
|
entity = await repo.Add(entity);
|
|
|
|
await repo.SaveChanges();
|
|
|
|
return new ExistingEntityResult<T>
|
|
{
|
|
Value = entity,
|
|
Existing = false
|
|
};
|
|
}
|
|
else
|
|
{
|
|
return new ExistingEntityResult<T>
|
|
{
|
|
Value = existing,
|
|
Existing = true
|
|
};
|
|
}
|
|
}
|
|
}
|
|
|
|
public virtual async Task<T> Update(T entity)
|
|
{
|
|
using (var repo = new Repository<T>(Context))
|
|
{
|
|
var existing = await repo.Find(entity.Id);
|
|
|
|
Context.Entry(existing).CurrentValues.SetValues(entity);
|
|
|
|
entity = repo.Update(existing);
|
|
await repo.SaveChanges();
|
|
|
|
return entity;
|
|
}
|
|
}
|
|
|
|
public virtual async Task Delete(T entity)
|
|
{
|
|
using (var repo = new Repository<T>(Context))
|
|
{
|
|
repo.Delete(entity);
|
|
await repo.SaveChanges();
|
|
}
|
|
}
|
|
}
|
|
}
|