Move set_proxy() to Instance.

include/connection.hpp

@@ -99,13 +99,6 @@ public:
         return get(endpoint, {});
     }
 
-    /*! @copydoc CURLWrapper::set_proxy(string_view)
-     *
-     *  Sets also the proxy for the Instance you used to initialize this
-     *  Connection.
-     */
-    void set_proxy(string_view proxy);
-
     /*!
      *  @brief  Copy new stream contents and delete the “original”.
      *

include/instance.hpp

@@ -95,11 +95,35 @@ public:
     [[nodiscard]]
     uint64_t get_max_chars();
 
+    /*! @copydoc CURLWrapper::set_proxy(string_view)
+     *
+     *  Sets also the proxy for all Connection%s that are initialized with this
+     *  Instance afterwards.
+     */
+    void set_proxy(const string_view proxy)
+    {
+        _proxy = proxy;
+        CURLWrapper::set_proxy(proxy);
+    }
+
+    /*!
+     *  @brief  Returns the proxy string that was previously set.
+     *
+     *  Does not return the proxy if it was set from an environment variable.
+     *
+     *  @since  0.1.0
+     */
+    string_view get_proxy() const
+    {
+        return _proxy;
+    }
+
 private:
     const string _hostname;
     const string _baseuri;
     string _access_token;
     uint64_t _max_chars;
+    string _proxy;
 };
 
 } // namespace mastodonpp

src/connection.cpp

@@ -24,7 +24,13 @@ using std::holds_alternative;
 Connection::Connection(Instance &instance)
     : _instance{instance}
     , _baseuri{instance.get_baseuri()}
-{}
+{
+    auto proxy{_instance.get_proxy()};
+    if (!proxy.empty())
+    {
+        CURLWrapper::set_proxy(proxy);
+    }
+}
 
 answer_type Connection::get(const endpoint_variant &endpoint,
                             const parametermap &parameters)
@@ -42,12 +48,6 @@ answer_type Connection::get(const endpoint_variant &endpoint,
     return make_request(http_method::GET, uri, parameters);
 }
 
-void Connection::set_proxy(const string_view proxy)
-{
-    CURLWrapper::set_proxy(proxy);
-    _instance.set_proxy(proxy);
-}
-
 string Connection::get_new_stream_contents()
 {
     buffer_mutex.lock();