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EngineWebCaller.cs
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EngineWebCaller.cs
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using WebClient;
using Models;
using System.Threading.Tasks;
using Newtonsoft.Json;
using System.Text;
using System;
using System.Collections.Generic;
using Models.Request;
using Models.Response;
using Newtonsoft.Json.Serialization;
namespace SearchLambdaFunction
{
public class EngineWebCaller
{
private static WebCaller _webClient = new WebCaller(1000000);
public async Task<List<Hotel>> GetSearchResults(GetResultsRequest request)
{
return await GetAllPaginatedResults(request);
}
private async Task<List<Hotel>> GetAllPaginatedResults(GetResultsRequest request)
{
request.Paging = new Models.Request.Paging();
request.Paging.PageNo = 1;
request.Paging.PageSize = 200; // should come from constants//config
var hotels = new List<Hotel>();
var moreResults = true;
while (moreResults)
{
var requestMessage = GetSearchResultsRequestMessage(request);
var webResponse = await _webClient.PostAsync(requestMessage);
var result = GetSearchResultsResponse(webResponse);
if (result.hotels != null && result.hotels.Count > 0)
{
hotels.AddRange(result.hotels);
request.Paging.PageNo++;
}
else
{
moreResults = false;
}
}
return hotels;
}
private WebClientRequestMessage GetSearchResultsRequestMessage(GetResultsRequest request)
{
var requestMessage = new WebClientRequestMessage();
requestMessage.Url = Constants.SearchResultsUrls.StageUrl;
requestMessage.Data = Encoding.UTF8.GetBytes(JsonConvert.SerializeObject(request, Formatting.Indented,
new JsonSerializerSettings { ContractResolver = new CamelCasePropertyNamesContractResolver() }));
requestMessage.ContentHeaders.Add(Constants.Headers.ContentType, Constants.HeaderValues.ContentType);
requestMessage.RequestHeaders.Add(Constants.Headers.OskiTenantId, Constants.HeaderValues.OskiTenantId);
return requestMessage;
}
private GetResultsResponse GetSearchResultsResponse(WebClientResponseMessage responseMessage)
{
var responseJson = Encoding.UTF8.GetString(responseMessage.Data);
var response = JsonConvert.DeserializeObject<GetResultsResponse>(responseJson);
return response;
}
}
}