/// <summary>
/// Returns Entity by Id
/// </summary>
/// <param name="id">Id of entity</param>
/// <returns>Entity of type T</returns>
public TEntity GetById(string id)
{
using (FilesWalkerContext context = new FilesWalkerContext())
{
return(context.Set <TDalEntity>().FirstOrDefault(entity => entity.Id == id));
}
}
/// <summary>
/// Returns all entities
/// </summary>
/// <returns>List of entities</returns>
public IEnumerable <TEntity> GetAll()
{
using (FilesWalkerContext context = new FilesWalkerContext())
{
return(context.Set <TDalEntity>().ToList());
}
}
/// <summary>
/// Returns all entities satisfied predicate
/// </summary>
/// <param name="func"></param>
/// <returns></returns>
public IEnumerable <TEntity> GetAll(Func <TEntity, bool> func)
{
using (FilesWalkerContext context = new FilesWalkerContext())
{
return(context.Set <TDalEntity>().Where(func).ToList());
}
}
/// <summary>
/// Replace all user roles with list
/// </summary>
/// <param name="roles">Roles list</param>
/// <param name="userId">Target user Id</param>
public void SetUserRoles(IEnumerable <IRole> roles, string userId)
{
using (FilesWalkerContext context = new FilesWalkerContext())
{
var dalUser = context.Users.Include("Roles").FirstOrDefault(u => u.Id == userId);
if (dalUser == null)
{
throw new ArgumentException("User does not exist");
}
foreach (IRole role in roles)
{
if (dalUser.Roles.All(r => r.Id != role.Id))
{
dalUser.Roles.Add(context.Roles.Attach(ConvertToDal(role)));
}
}
for (int i = 0; i < dalUser.Roles.Count; ++i)
{
if (roles.All(r => r.Id != dalUser.Roles[i].Id))
{
dalUser.Roles.RemoveAt(i);
}
}
context.SaveChanges();
}
}
/// <summary>
/// Update existing user with new data
/// </summary>
public void Update(TEntity entity)
{
using (FilesWalkerContext context = new FilesWalkerContext())
{
TDalEntity dalEntity = ConvertToDal(entity);
context.Set <TDalEntity>().Attach(dalEntity);
context.Entry(dalEntity).State = EntityState.Modified;
context.SaveChanges();
}
}
/// <summary>
/// Delete entity
/// </summary>
/// <param name="entity">Target entity</param>
public void Delete(TEntity entity)
{
TDalEntity dalEntity = ConvertToDal(entity);
using (FilesWalkerContext context = new FilesWalkerContext())
{
context.Set <TDalEntity>().Attach(dalEntity);
context.Set <TDalEntity>().Remove(dalEntity);
context.SaveChanges();
}
}
/// <summary>
/// Create new entity
/// </summary>
/// <param name="entity">New entity</param>
/// <returns>Created etity</returns>
public TEntity Create(TEntity entity)
{
TDalEntity dalEntity = ConvertToDal(entity);
using (FilesWalkerContext context = new FilesWalkerContext())
{
context.Set <TDalEntity>().Add(dalEntity);
context.SaveChanges();
}
return(dalEntity);
}
/// <summary>
/// Set role for user
/// </summary>
/// <param name="user">Target user</param>
/// <param name="role">User role</param>
public void SetUserRole(IUser user, IRole role)
{
using (FilesWalkerContext context = new FilesWalkerContext())
{
var dalUser = context.Users.Include("Roles").FirstOrDefault(u => u.Id == user.Id);
if (dalUser == null)
{
throw new ArgumentException("User does not exist");
}
dalUser.Roles.Add(context.Roles.Attach(ConvertToDal(role)));
context.SaveChanges();
}
}
/// <summary>
/// Returns all user roles
/// </summary>
/// <param name="user">Target user</param>
/// <returns>List f roles</returns>
public IEnumerable <IRole> GetRoles(IUser user)
{
if (user == null)
{
throw new ArgumentNullException();
}
using (FilesWalkerContext context = new FilesWalkerContext())
{
var account = context.Set <User>().Include("Roles").FirstOrDefault(u => u.Id == user.Id);
if (account == null)
{
throw new ArgumentException("user");
}
else
{
return(account.Roles);
}
}
}
