/// <summary>
/// Find one from the repository. This is the equivalent of the Repository's Find() method.
/// </summary>
/// <param name="context"></param>
/// <returns></returns>
public IDataLoaderResult <Model> QueueFind <Model, PrimaryKey>(Expression <Func <Model, bool> > where, string loaderKey = null)
where Model : class
{
var thisRequest = new DataLoaderRequest <Model, PrimaryKey>
{
Where = where,
OrderBy = null,
OrderByDescending = false,
ThenBy = null,
ThenByDescending = false,
Skip = 0,
Take = 1
};
// Get or add a batch loader with the dataLoaderName.
// The loader will group the calls to the repository together and split the results back out again to return them.
var loader = _accessor.Context.GetOrAddBatchLoader <DataLoaderRequest <Model, PrimaryKey>, Model>(
loaderKey ?? GetDefaultLoaderKey <Model>("Find"),
async requests => {
var data = await LoadData(requests);
var ret = data.ToDictionary(
item => item.Key,
item => item.Value.FirstOrDefault()
);
return(ret);
}
);
// Add this request to the pending requests to fetch
// The task will complete once the the data loader returns with the batched results
return(loader.LoadAsync(thisRequest));
}
/// <summary>
/// Find multiple from the repository. This is the equivalent of the Repository's FindAll() method.
/// </summary>
/// <param name="context"></param>
/// <returns></returns>
public IDataLoaderResult <IEnumerable <Model> > QueueFindAll <Model, PrimaryKey>(Expression <Func <Model, bool> > where, Expression <Func <Model, object> > orderBy = null, bool orderByDescending = false, Expression <Func <Model, object> > thenBy = null, bool thenByDescending = false, int skip = 0, int?take = null, string loaderKey = null)
where Model : class
{
var thisRequest = new DataLoaderRequest <Model, PrimaryKey>
{
Where = where,
OrderBy = orderBy,
OrderByDescending = orderByDescending,
ThenBy = thenBy,
ThenByDescending = thenByDescending,
Skip = skip,
Take = take
};
// Get or add a batch loader with the dataLoaderName.
// The loader will group the calls to the repository together and split the results back out again to return them.
var loader = _accessor.Context.GetOrAddBatchLoader <DataLoaderRequest <Model, PrimaryKey>, IEnumerable <Model> >(
loaderKey ?? GetDefaultLoaderKey <Model>("FindAll"),
async requests =>
{
var ret = await LoadData(requests);
return(ret);
}
);
// Add this request to the pending requests to fetch
// The task will complete once the the data loader returns with the batched results
return(loader.LoadAsync(thisRequest));
}
