private static string GetPagePostIds(string page, string accessToken, string untilDateTime, string after = "")
{
string until = DateUtility.GetUnixFromDate(untilDateTime);
string since = DateUtility.GetUnixFromDate(DateUtility.GetDateTimeRelativeFromNow(untilDateTime, daysToGoBack - 2));
Dictionary <string, string> param = new Dictionary <string, string>();
param.Add("access_token", accessToken);
param.Add("fields", "id,message,updated_time,created_time,icon,link,name,object_id,permalink_url,picture,source,shares,to,type,story,status_type,is_hidden,is_published");
param.Add("until", until);
param.Add("since", since);
return($"https://graph.facebook.com/v2.10/{page}/posts?" + GetQueryParameters(param));
}
public static async Task <List <JObject> > GetPostsAsync(string page, string untilDateTime, string accessToken)
{
List <JObject> posts = new List <JObject>();
JObject post = null;
string until = DateUtility.GetUnixFromDate(untilDateTime);
string since = DateUtility.GetUnixFromDate(DateUtility.GetDateTimeRelativeFromNow(untilDateTime, -1));
string requestUri = GetRequestUrlForPage(page, accessToken, until, since);
do
{
HttpClient client = new HttpClient();
var response = await client.GetAsync(requestUri);
string responseObj = await response.Content.ReadAsStringAsync();
if (!response.IsSuccessStatusCode)
{
throw new Exception();
}
post = JObject.Parse(responseObj);
posts.Add(post);
if (post?["paging"] != null && post["paging"]?["cursors"] != null && post["paging"]["cursors"]?["after"] != null)
{
string after = post["paging"]["cursors"]["after"].ToString();
requestUri = GetRequestUrlForPage(page, accessToken, until, since, after);
}
else if (post?["paging"] != null && post["paging"]?["next"] != null)
{
requestUri = post["paging"]?["next"].ToString();
}
}while (post != null && post?["paging"] != null);
return(posts);
}
public static async Task <List <JObject> > GetPageMetricAnalytics(string page, string untilDateTime, string accessToken, string metricsGroup)
{
List <JObject> posts = new List <JObject>();
JObject post = null;
string until = DateUtility.GetUnixFromDate(untilDateTime);
string since = DateUtility.GetUnixFromDate(DateUtility.GetDateTimeRelativeFromNow(untilDateTime, daysToGoBack));
string requestUri = metricsGroup == FacebookPageAnalyticsMetricGroups.PagePostIds ?
GetPagePostIds(page, accessToken, untilDateTime, since) :
GetPageAnalyticsRequestUrl(page, accessToken, until, since, metricsGroup);
do
{
using (var client = new HttpClient())
{
var response = await client.GetAsync(requestUri);
string responseObj = await response.Content.ReadAsStringAsync();
if (!response.IsSuccessStatusCode)
{
Thread.Sleep(new TimeSpan(0, 0, 3));
response = await client.GetAsync(requestUri);
responseObj = await response.Content.ReadAsStringAsync();
if (!response.IsSuccessStatusCode)
{
throw new Exception(responseObj);
}
}
post = JObject.Parse(responseObj);
if (!posts.Contains(post) && (post?["data"] as JArray).Count > 0)
{
posts.Add(post);
}
if (post?["paging"] != null && post["paging"]?["cursors"] != null && post["paging"]["cursors"]?["after"] != null)
{
string after = post["paging"]["cursors"]["after"].ToString();
requestUri = GetRequestUrlForPage(page, accessToken, until, since, after);
}
else if (post?["paging"] != null && post["paging"]?["next"] != null)
{
requestUri = post["paging"]?["next"].ToString();
}
}
if (post?["data"] != null && (post?["data"] as JArray).Count > 0)
{
var endTime = post?["data"]?[0]?["values"]?[0]?["end_time"];
if (endTime != null)
{
var et = DateTime.Parse(endTime.ToString());
var untilTime = DateTime.Parse(untilDateTime);
if (untilTime.Subtract(et).TotalDays < 1)
{
break;
}
}
}
if (post?["data"] != null &&
(post["data"] as JArray).Count > 0 &&
post?["data"]?[0]?["period"] != null &&
post?["data"]?[0]?["period"].ToString().ToLower() == "lifetime")
{
break;
}
}while (post != null && post?["paging"] != null && post["paging"]?["next"] != null);
return(posts);
}
