public void TestAndQueryable()
{
// Arrange
var translator = new ExpressionToFtsRequestTranslator();
Expression <Func <IQueryable <EmployeeEntity>, IQueryable <EmployeeEntity> > > expression
= query => query.Where(e => e.Workstation == "EPRUIZHW006" && e.Manager.StartsWith("John"));
/*
* The expression above should be converted to the following FTSQueryRequest and then serialized inside FTSRequestGenerator:
* "statements": [
* { "query":"Workstation:(EPRUIZHW006)"},
* { "query":"Manager:(John*)"}
* // Operator between queries is AND, in other words result set will fit to both statements above
* ],
*/
var expected = "https://my.com/searchFts?metaType=meta%3Apeople-suite%3Apeople-api%3Acom.epam.e3s.app.people.api.data.EmployeeEntity&query=%7B%22statements%22%3A%5B%7B%22query%22%3A%22Workstation%3A(EPRUIZHW006)%22%7D,%7B%22query%22%3A%22Manager%3A(John*)%22%7D%5D,%22filters%22%3Anull,%22sorting%22%3Anull,%22start%22%3A0,%22limit%22%3A10%7D";
var generator = new FtsRequestGenerator(@"https://my.com");
// Act
string translated = translator.Translate(expression);
var uri = generator.GenerateRequestUrl(typeof(EmployeeEntity), translated);
// todo: create asserts for this test by yourself, because they will depend on your final implementation
// Assert
Assert.Equal(expected, uri.OriginalString);
}
public IEnumerable <T> SearchFts <T>(string query, int start = 0, int limit = 0) where T : BaseE3SEntity
{
var requestGenerator = new FtsRequestGenerator(_baseAddress);
Uri request = requestGenerator.GenerateRequestUrl <T>(query, start, limit);
string resultString = _httpClient.GetStringAsync(request).Result;
return(JsonConvert.DeserializeObject <FtsResponse <T> >(resultString).Items.Select(t => t.Data));
}
public IEnumerable SearchFts(Type type, string query, int start = 0, int limit = 0)
{
Type finalType = typeof(FtsResponse <>).MakeGenericType(type);
if (finalType == null)
{
throw new ArgumentNullException(nameof(finalType));
}
var items = finalType.GetProperty("items");
if (items == null)
{
throw new ArgumentNullException(nameof(items));
}
var requestGenerator = new FtsRequestGenerator(_baseAddress);
Uri request = requestGenerator.GenerateRequestUrl(type, query, start, limit);
string resultString = _httpClient.GetStringAsync(request).Result;
object result = JsonConvert.DeserializeObject(resultString, finalType);
var list = Activator.CreateInstance(typeof(List <>).MakeGenericType(type)) as IList;
foreach (object item in (IEnumerable)items.GetValue(result))
{
var data = item.GetType().GetProperty("data");
if (data == null)
{
throw new ArgumentNullException(nameof(data));
}
list.Add(data.GetValue(item));
}
return(list);
}
