public async Task <ICrudResult <List <Recipe> > > ReadManyAsync(ICrudCriteria <EmptyClass> criteria)
{
// Initialze result and verify a valid criteria.
var result = new CollectionCrudResult <Recipe>();
// Start building the query.
var query = this.Context.Recipes.Include(r => r.Tags).Where(r => r.AccountId == criteria.AccountId);
// Add RecipeCriteria to the query if applicable.
var recipeCriteria = criteria as RecipesCriteria;
if (recipeCriteria != null)
{
if (!String.IsNullOrWhiteSpace(recipeCriteria.NameFilter))
{
query = query.Where(r => r.Name.StartsWith(recipeCriteria.NameFilter));
}
if (recipeCriteria.TagId > 0)
{
query = query.Where(r => r.Tags.Any(t => t.Id == recipeCriteria.TagId));
}
}
// Evaluate the query and return results.
query = query.OrderBy(r => r.Name);
result.Model = await query.ToListAsync();
result.Success = true;
return(result);
}
public async Task <ICrudResult <List <Tag> > > ReadManyAsync(ICrudCriteria <EmptyClass> criteria)
{
// Initialze result and verify a valid criteria.
var result = new CollectionCrudResult <Tag>();
// Read the tags for the user for the data source, order by descripton and return.
if (criteria != null)
{
result.Model = await this.Context.Tags
.Where(t => t.AccountId == criteria.AccountId)
.OrderBy(t => t.Description)
.ToListAsync();
result.Success = true;
}
else
{
result.ErrorMessage = "Cannot search for tags using a null criteria.";
}
return(result);
}
public async Task <ICrudResult <List <Account> > > ReadManyAsync(ICrudCriteria <EmptyClass> criteria)
{
// Initialze result and verify a valid criteria.
var result = new CollectionCrudResult <Account>();
// If the read request is authorization attempt to authorize otherwise throw.
var authorizationCriteria = criteria as AuthorizationCriteria;
if (authorizationCriteria != null)
{
var activeStatus = AccountStatus.Active.ToString();
var account = await this.Context.Accounts
.Where(a => a.UserName == authorizationCriteria.UserName &&
a.Status == activeStatus)
.FirstOrDefaultAsync();
if (account != null && account.Password == CoreUtility.EncryptPassword(authorizationCriteria.Password, account.Salt))
{
result.Model = new List <Account>()
{
account
};
result.Success = true;
}
else
{
result.ErrorMessage = "Authorization failed.";
}
}
else
{
throw new InvalidOperationException();
}
return(result);
}
