Files
mixtape/zero.Sqlite/Operations/DbOperations.Write.cs
T
2025-09-04 16:05:41 +02:00

79 lines
2.0 KiB
C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using FluentValidation.Results;
using ServiceStack.OrmLite;
using zero.Models;
using zero.Extensions;
namespace zero.Sqlite;
public partial class DbOperations : IDbOperations
{
/// <inheritdoc />
public virtual Task<Result<T>> Create<T>(T model, Func<T, Task<ValidationResult>> validate = null) where T : ZeroIdEntity, new() => Save(model, validate);
/// <inheritdoc />
public virtual Task<Result<T>> Update<T>(T model, Func<T, Task<ValidationResult>> validate = null) where T : ZeroIdEntity, new() => Save(model, validate, true);
/// <inheritdoc />
protected virtual async Task<Result<T>> Save<T>(T model, Func<T, Task<ValidationResult>> validate = null, bool update = false) where T : ZeroIdEntity, new()
{
if (model == null)
{
return Result<T>.Fail("@errors.onsave.empty");
}
T previousModel = null;
// check if the Id for a model already exists
if (!model.Id.IsNullOrEmpty())
{
previousModel = await Db.SingleByIdAsync<T>(model.Id);
if (update && previousModel == null)
{
return Result<T>.Fail("@errors.onsave.noidmatch");
}
else if (!update && previousModel != null)
{
return Result<T>.Fail("@errors.oncreate.idmismatch");
}
}
// validate flavor
if (model is ISupportsFlavors flavorModel && !flavorModel.Flavor.IsNullOrEmpty())
{
if (!Flavors.Exists<T>(flavorModel.Flavor))
{
return Result<T>.Fail("@errors.onsave.flavornotfound");
}
}
// prepare model
PrepareForSave(model);
// run validator
if (validate != null)
{
ValidationResult validation = await validate(model);
if (!validation.IsValid)
{
return Result<T>.Fail(validation);
}
}
// create ID before-hand so interceptors can use it
if (!update)
{
model.Id = await GenerateId(model);
}
// store our model
await Db.SaveAsync(model);
return Result<T>.Success(model);
}
}