public Task <IEnumerable <Person> > GetPeople(QueryPersonParameters parameters)
{
if (parameters == null)
{
throw new ArgumentNullException(nameof(parameters));
}
IEnumerable <Person> query = People.Values;
if (parameters.FirstName?.Any() ?? false)
{
query = query.Where(x => parameters.FirstName.Contains(x.FirstName));
}
if (parameters.LastName?.Any() ?? false)
{
query = query.Where(x => parameters.LastName.Contains(x.LastName));
}
if (parameters.Id?.Any() ?? false)
{
query = query.Where(x => parameters.Id.Contains(x.Id));
}
return(Task.FromResult(query));
}
// created a method for GetPeople to make cleaner
private string ParseQueryPersonParameters(QueryPersonParameters parameters)
{
string url = PeopleUrlBase;
if (parameters != null)
{
parameters.FirstName?.ForEach(firstName =>
{
url = QueryHelpers.AddQueryString(url, "firstName", firstName);
});
parameters.LastName?.ForEach(lastName =>
{
url = QueryHelpers.AddQueryString(url, "lastName", lastName);
});
parameters.Id?.ForEach(id =>
{
url = QueryHelpers.AddQueryString(url, "id", id.ToString());
});
}
return(url);
}
public Task <IEnumerable <Person> > GetPeople([FromQuery] QueryPersonParameters parameters)
{
return(_repository.GetPeople(parameters));
}
/// <summary>
/// Invokes the http api to return one or more people that match the query parameters.
/// </summary>
/// <param name="parameters"></param>
/// <returns></returns>
public Task <IEnumerable <Person> > GetPeople(QueryPersonParameters parameters)
{
// Implementation goes here!
throw new NotImplementedException();
}
/// <summary>
/// Invokes the http api to return one or more people that match the query parameters.
/// </summary>
/// <param name="parameters"></param>
/// <returns></returns>
public async Task <IEnumerable <Person> > GetPeople(QueryPersonParameters parameters)
{
var stream = _httpClient.GetStreamAsync(ParseQueryPersonParameters(parameters));
return(await JsonSerializer.DeserializeAsync <List <Person> >(await stream));
}