From ae02ed04389117d100070c47f3ae69abb9080231 Mon Sep 17 00:00:00 2001
From: dec05eba <dec05eba@protonmail.com>
Date: Thu, 1 Oct 2020 07:34:47 +0200
Subject: Matrix: add message delete with ctrl+d

---
 src/QuickMedia.cpp     | 13 +++++++++++
 src/plugins/Matrix.cpp | 63 ++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 76 insertions(+)

(limited to 'src')

diff --git a/src/QuickMedia.cpp b/src/QuickMedia.cpp
index ecb44d5..cb58a27 100644
--- a/src/QuickMedia.cpp
+++ b/src/QuickMedia.cpp
@@ -3585,6 +3585,19 @@ namespace QuickMedia {
                             // TODO: Show inline notification
                             show_notification("QuickMedia", "No message selected for editing");
                         }
+                    } else if(tabs[selected_tab].type == ChatTabType::MESSAGES && event.key.control && event.key.code == sf::Keyboard::D) {
+                        BodyItem *selected = tabs[selected_tab].body->get_selected();
+                        if(selected) {
+                            // TODO: Make asynchronous
+                            std::string err_msg;
+                            if(matrix->delete_message(current_room_id, selected->userdata, err_msg) != PluginResult::OK) {
+                                // TODO: Show inline notification
+                                show_notification("QuickMedia", "Failed to delete message, reason: " + err_msg, Urgency::CRITICAL);
+                            }
+                        } else {
+                            // TODO: Show inline notification
+                            show_notification("QuickMedia", "No message selected for deletion");
+                        }
                     }
                 }
 
diff --git a/src/plugins/Matrix.cpp b/src/plugins/Matrix.cpp
index b93164e..b5eb617 100644
--- a/src/plugins/Matrix.cpp
+++ b/src/plugins/Matrix.cpp
@@ -1255,6 +1255,69 @@ namespace QuickMedia {
         return PluginResult::OK;
     }
 
+    PluginResult Matrix::delete_message(const std::string &room_id, void *message, std::string &err_msg){
+        char random_characters[18];
+        if(!generate_random_characters(random_characters, sizeof(random_characters)))
+            return PluginResult::ERR;
+
+        std::string random_readable_chars = random_characters_to_readable_string(random_characters, sizeof(random_characters));
+
+        Message *message_typed = (Message*)message;
+
+        // request_data could contains "reason", maybe it should be added sometime in the future?
+        Json::Value request_data(Json::objectValue);
+        Json::StreamWriterBuilder builder;
+        builder["commentStyle"] = "None";
+        builder["indentation"] = "";
+
+        std::vector<CommandArg> additional_args = {
+            { "-X", "PUT" },
+            { "-H", "content-type: application/json" },
+            { "-H", "Authorization: Bearer " + access_token },
+            { "--data-binary", Json::writeString(builder, std::move(request_data)) }
+        };
+
+        char url[512];
+        snprintf(url, sizeof(url), "%s/_matrix/client/r0/rooms/%s/redact/%s/m%ld.%.*s", homeserver.c_str(), room_id.c_str(), message_typed->event_id.c_str(), time(NULL), (int)random_readable_chars.size(), random_readable_chars.c_str());
+        fprintf(stderr, "load initial room data, url: |%s|\n", url);
+
+        std::string server_response;
+        if(download_to_string(url, server_response, std::move(additional_args), use_tor, true, false) != DownloadResult::OK) {
+            err_msg = std::move(server_response);
+            return PluginResult::NET_ERR;
+        }
+
+        if(server_response.empty())
+            return PluginResult::ERR;
+
+        Json::Value json_root;
+        Json::CharReaderBuilder json_builder;
+        std::unique_ptr<Json::CharReader> json_reader(json_builder.newCharReader());
+        std::string json_errors;
+        if(!json_reader->parse(&server_response[0], &server_response[server_response.size()], &json_root, &json_errors)) {
+            err_msg = "Matrix delete message response parse error: " + json_errors;
+            return PluginResult::ERR;
+        }
+
+        if(!json_root.isObject()) {
+            err_msg = "Failed to parse matrix login response";
+            return PluginResult::ERR;
+        }
+
+        const Json::Value &error = json_root["error"];
+        if(error.isString()) {
+            err_msg = error.asString();
+            return PluginResult::ERR;
+        }
+
+        const Json::Value &event_id_json = json_root["event_id"];
+        if(!event_id_json.isString())
+            return PluginResult::ERR;
+
+        fprintf(stderr, "Matrix delete message, response event id: %s\n", event_id_json.asCString());
+        return PluginResult::OK;
+    }
+
     PluginResult Matrix::load_and_verify_cached_session() {
         Path session_path = get_storage_dir().join(name).join("session.json");
         std::string session_json_content;
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