public IHttpActionResult GetMapInfoList([FromUri] string lang = "en", [FromUri] int skip = 0, [FromUri] int take = 200, [FromUri] string asc = "", [FromUri] string desc = "", [FromUri] string where = "", [FromUri] string extra = "") { using (CSSPDBContext db = new CSSPDBContext(DatabaseType)) { MapInfoService mapInfoService = new MapInfoService(new Query() { Lang = lang }, db, ContactID); if (extra == "A") // QueryString contains [extra=A] { mapInfoService.Query = mapInfoService.FillQuery(typeof(MapInfoExtraA), lang, skip, take, asc, desc, where, extra); if (mapInfoService.Query.HasErrors) { return(Ok(new List <MapInfoExtraA>() { new MapInfoExtraA() { HasErrors = mapInfoService.Query.HasErrors, ValidationResults = mapInfoService.Query.ValidationResults, }, }.ToList())); } else { return(Ok(mapInfoService.GetMapInfoExtraAList().ToList())); } } else if (extra == "B") // QueryString contains [extra=B] { mapInfoService.Query = mapInfoService.FillQuery(typeof(MapInfoExtraB), lang, skip, take, asc, desc, where, extra); if (mapInfoService.Query.HasErrors) { return(Ok(new List <MapInfoExtraB>() { new MapInfoExtraB() { HasErrors = mapInfoService.Query.HasErrors, ValidationResults = mapInfoService.Query.ValidationResults, }, }.ToList())); } else { return(Ok(mapInfoService.GetMapInfoExtraBList().ToList())); } } else // QueryString has no parameter [extra] or extra is empty { mapInfoService.Query = mapInfoService.FillQuery(typeof(MapInfo), lang, skip, take, asc, desc, where, extra); if (mapInfoService.Query.HasErrors) { return(Ok(new List <MapInfo>() { new MapInfo() { HasErrors = mapInfoService.Query.HasErrors, ValidationResults = mapInfoService.Query.ValidationResults, }, }.ToList())); } else { return(Ok(mapInfoService.GetMapInfoList().ToList())); } } } }