From 891d57d200f55b91f80b6d3b4dd0c30479be6109 Mon Sep 17 00:00:00 2001
From: Kelly Rauchenberger <fefferburbia@gmail.com>
Date: Tue, 12 Apr 2016 18:40:52 -0400
Subject: Added basic ability to tweet

---
 src/client.cpp | 124 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 124 insertions(+)
 create mode 100644 src/client.cpp

(limited to 'src/client.cpp')

diff --git a/src/client.cpp b/src/client.cpp
new file mode 100644
index 0000000..b71ff70
--- /dev/null
+++ b/src/client.cpp
@@ -0,0 +1,124 @@
+#include "client.h"
+#include <curl_easy.h>
+#include <curl_header.h>
+#include <sstream>
+#include <set>
+#include <algorithm>
+#include <liboauthcpp/liboauthcpp.h>
+
+namespace twitter {
+  
+  client::client(const auth& _arg)
+  {
+    _oauth_consumer = new OAuth::Consumer(_arg.getConsumerKey(), _arg.getConsumerSecret());
+    _oauth_token = new OAuth::Token(_arg.getAccessKey(), _arg.getAccessSecret());
+    _oauth_client = new OAuth::Client(_oauth_consumer, _oauth_token);
+  }
+  
+  client::~client()
+  {
+    delete _oauth_client;
+    delete _oauth_token;
+    delete _oauth_consumer;
+  }
+  
+  response client::updateStatus(std::string msg, tweet& result)
+  {
+    std::ostringstream output;
+    curl::curl_ios<std::ostringstream> ios(output);
+    curl::curl_easy conn(ios);
+    
+    std::stringstream datastrstream;
+    datastrstream << "status=" << OAuth::PercentEncode(msg);
+    
+    std::string datastr = datastrstream.str();
+    std::string url = "https://api.twitter.com/1.1/statuses/update.json";
+    
+    curl::curl_header headers;
+    std::string oauth_header = _oauth_client->getFormattedHttpHeader(OAuth::Http::Post, url, datastr);
+    if (!oauth_header.empty())
+    {
+      headers.add(oauth_header);
+    }
+    
+    try {
+      conn.add<CURLOPT_URL>(url.c_str());
+      conn.add<CURLOPT_COPYPOSTFIELDS>(datastr.c_str());
+      conn.add<CURLOPT_POST>(1);
+      conn.add<CURLOPT_HTTPHEADER>(headers.get());
+      
+      conn.perform();
+    } catch (curl::curl_easy_exception error)
+    {
+      error.print_traceback();
+      
+      return response::curl_error;
+    }
+    
+    long response_code = conn.get_info<CURLINFO_RESPONSE_CODE>().get();
+    json response_data = json::parse(output.str());
+    if (response_code == 200)
+    {
+      result = tweet(response_data);
+      return response::ok;
+    }
+    
+    std::set<int> error_codes;
+    if (response_data.find("errors") != response_data.end())
+    {
+      std::transform(std::begin(response_data["errors"]), std::end(response_data["errors"]), std::inserter(error_codes, std::begin(error_codes)), [] (const json& error) {
+        return error["code"].get<int>();
+      });
+    }
+    
+    if (error_codes.count(32) == 1 || error_codes.count(135) == 1 || error_codes.count(215) == 1)
+    {
+      return response::bad_auth;
+    } else if (error_codes.count(64) == 1)
+    {
+      return response::suspended;
+    } else if (error_codes.count(88) == 1 || error_codes.count(185) == 1)
+    {
+      return response::limited;
+    } else if (error_codes.count(89) == 1)
+    {
+      return response::bad_token;
+    } else if (error_codes.count(130) == 1)
+    {
+      return response::server_overloaded;
+    } else if (error_codes.count(131) == 1)
+    {
+      return response::server_error;
+    } else if (error_codes.count(186) == 1)
+    {
+      return response::bad_length;
+    } else if (error_codes.count(187) == 1)
+    {
+      return response::duplicate_status;
+    } else if (error_codes.count(226) == 1)
+    {
+      return response::suspected_spam;
+    } else if (error_codes.count(261) == 1)
+    {
+      return response::write_restricted;
+    } else if (response_code == 429)
+    {
+      return response::limited;
+    } else if (response_code == 500)
+    {
+      return response::server_error;
+    } else if (response_code == 502)
+    {
+      return response::server_unavailable;
+    } else if (response_code == 503)
+    {
+      return response::server_overloaded;
+    } else if (response_code == 504)
+    {
+      return response::server_timeout;
+    } else {
+      return response::unknown_error;
+    }
+  }
+  
+};
-- 
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