Files
mixtape/zero.Core/Api/ApiBase.cs
T

132 lines
3.4 KiB
C#

using FluentValidation;
using FluentValidation.Results;
using Raven.Client.Documents;
using Raven.Client.Documents.Session;
using System;
using System.Collections.Generic;
using System.Threading.Tasks;
using zero.Core.Attributes;
using zero.Core.Entities;
using zero.Core.Extensions;
using zero.Core.Utils;
namespace zero.Core.Api
{
public abstract class ApiBase
{
protected IDocumentStore Raven { get; set; }
protected const string ASTERISK = "*";
protected const string NEW_ID = "new:";
public ApiBase(IDocumentStore raven)
{
Raven = raven;
}
/// <summary>
/// Get an entity by Id
/// </summary>
protected async Task<T> GetById<T>(string id)
{
using (IAsyncDocumentSession session = Raven.OpenAsyncSession())
{
// TODO store-aware?
return await session.LoadAsync<T>(id);
}
}
/// <summary>
/// Get an entity by Id and transform the result
/// </summary>
protected async Task<EntityResult<T>> Save<T>(T model, IValidator<T> validator = null) where T : IZeroEntity
{
// check for alias
//if (model is IUrlAliasEntity)
//{
// IUrlAliasEntity entity = operation.Model as IUrlAliasEntity;
// entity.Alias = entity.Alias?.ToLower().ToUrlSegment();
//}
// run validator
if (validator != null)
{
ValidationResult validation = await validator.ValidateAsync(model);
if (!validation.IsValid)
{
return EntityResult<T>.Fail(validation);
}
}
// find all Raven Ids
List<ObjectTraverser.Result<GenerateIdAttribute>> ravenIds = ObjectTraverser.FindAttribute<GenerateIdAttribute>(model);
// set unset Raven Ids
foreach (ObjectTraverser.Result<GenerateIdAttribute> item in ravenIds)
{
string id = item.Property.GetValue(item.Parent, null) as string;
if (String.IsNullOrWhiteSpace(id) || id.StartsWith(NEW_ID))
{
item.Property.SetValue(item.Parent, item.Item.Length.HasValue ? Raven.Id(item.Item.Length.Value) : Raven.Id());
}
}
// set default properties
if (model.Id.IsNullOrEmpty())
{
model.CreatedDate = DateTimeOffset.Now;
if (model is IAppAwareEntity)
{
(model as IAppAwareEntity).AppId = Constants.Database.SharedAppId; // TODO correct app id
}
if (model is ILanguageAwareEntity)
{
(model as ILanguageAwareEntity).LanguageId = "zero.languages.1-A"; // TODO correct language id
}
}
// update name alias
model.Alias = Safenames.Alias(model.Name);
using (IAsyncDocumentSession session = Raven.OpenAsyncSession())
{
await session.StoreAsync(model);
await session.SaveChangesAsync();
}
return EntityResult<T>.Success(model);
}
/// <summary>
/// Deletes an entity by Id
/// </summary>
protected async Task<EntityResult<T>> DeleteById<T>(string id)
{
using (IAsyncDocumentSession session = Raven.OpenAsyncSession())
{
T entity = await session.LoadAsync<T>(id);
// TODO || !Store.Has(entity))
if (entity == null)
{
return EntityResult<T>.Fail("@errors.ondelete.idnotfound");
}
session.Delete(entity);
await session.SaveChangesAsync();
return EntityResult<T>.Success();
}
}
}
}