Implement delete request with request body

include/coeurl/client.hpp

@@ -44,6 +44,8 @@ struct Client {
              long max_redirects = 0);
     void delete_(std::string url, std::function<void(const Request &)> callback, const Headers &headers = {},
                  long max_redirects = 0);
+    void delete_(std::string url, std::string request_body, std::string mimetype,
+                 std::function<void(const Request &)> callback, const Headers &headers = {}, long max_redirects = 0);
     void head(std::string url, std::function<void(const Request &)> callback, const Headers &headers = {},
               long max_redirects = 0);
     void options(std::string url, std::function<void(const Request &)> callback, const Headers &headers = {},

lib/client.cpp

@@ -368,6 +368,24 @@ void Client::delete_(std::string url, std::function<void(const Request &)> callb
     this->submit_request(std::move(req));
 }
 
+void Client::delete_(std::string url, std::string request_body, std::string mimetype, std::function<void(const Request &)> callback, const Headers &headers,
+                     long max_redirects) {
+    auto req = std::make_shared<Request>(this, Request::Method::Delete, std::move(url));
+
+    req->request(request_body, mimetype);
+    req->on_complete(std::move(callback));
+
+    if (!headers.empty())
+        req->request_headers(headers);
+
+    if (max_redirects > 0)
+        req->max_redirects(max_redirects);
+
+    req->connection_timeout(connection_timeout_);
+
+    this->submit_request(std::move(req));
+}
+
 void Client::head(std::string url, std::function<void(const Request &)> callback, const Headers &headers,
                   long max_redirects) {
     auto req = std::make_shared<Request>(this, Request::Method::Head, std::move(url));