From 40e0f8f5d8c3e480f01a2d71b6a493247adcb77f Mon Sep 17 00:00:00 2001
From: dec05eba <dec05eba@protonmail.com>
Date: Mon, 21 Sep 2020 03:49:17 +0200
Subject: Initial matrix support

---
 plugins/Fourchan.hpp |  2 --
 plugins/Manga.hpp    |  2 +-
 plugins/Matrix.hpp   | 68 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 plugins/Plugin.hpp   |  1 +
 4 files changed, 70 insertions(+), 3 deletions(-)
 create mode 100644 plugins/Matrix.hpp

(limited to 'plugins')

diff --git a/plugins/Fourchan.hpp b/plugins/Fourchan.hpp
index 564271a..bc336bf 100644
--- a/plugins/Fourchan.hpp
+++ b/plugins/Fourchan.hpp
@@ -13,8 +13,6 @@ namespace QuickMedia {
         Fourchan(const std::string &resources_root);
         ~Fourchan() override;
         PluginResult get_front_page(BodyItems &result_items) override;
-        SearchResult search(const std::string &url, BodyItems &result_items) override;
-        SuggestionResult update_search_suggestions(const std::string &text, BodyItems &result_items) override;
         PluginResult get_threads(const std::string &url, BodyItems &result_items) override;
         PluginResult get_thread_comments(const std::string &list_url, const std::string &url, BodyItems &result_items) override;
         PostResult post_comment(const std::string &board, const std::string &thread, const std::string &captcha_id, const std::string &comment) override;
diff --git a/plugins/Manga.hpp b/plugins/Manga.hpp
index 0c57d9f..13c494e 100644
--- a/plugins/Manga.hpp
+++ b/plugins/Manga.hpp
@@ -21,7 +21,7 @@ namespace QuickMedia {
         virtual ImageResult for_each_page_in_chapter(const std::string &chapter_url, PageCallback callback) = 0;
         virtual bool extract_id_from_url(const std::string &url, std::string &manga_id) = 0;
 
-        virtual PluginResult get_creators_manga_list(const std::string &url, BodyItems &result_items) { return {}; }
+        virtual PluginResult get_creators_manga_list(const std::string &url, BodyItems &result_items) { (void)url; (void)result_items; return {}; }
 
         const std::vector<Creator>& get_creators() const;
     protected:
diff --git a/plugins/Matrix.hpp b/plugins/Matrix.hpp
new file mode 100644
index 0000000..c498ec8
--- /dev/null
+++ b/plugins/Matrix.hpp
@@ -0,0 +1,68 @@
+#pragma once
+
+#include "Plugin.hpp"
+#include <unordered_map>
+#include <json/value.h>
+
+namespace QuickMedia {
+    struct UserInfo {
+        std::string display_name;
+        std::string avatar_url;
+    };
+
+    struct Message {
+        // Index into |RoomData.user_info|
+        size_t user_id;
+        std::string msg;
+    };
+
+    struct RoomData {
+        // Each room has its own list of user data, even if multiple rooms has the same user
+        // because users can have different display names and avatars in different rooms.
+        // The value is an index to |user_info|.
+        std::unordered_map<std::string, size_t> user_info_by_user_id;
+        std::vector<UserInfo> user_info;
+        std::vector<Message> messages;
+        std::string prev_batch;
+        bool initial_fetch_finished = false;
+    };
+
+    enum class MessageDirection {
+        BEFORE,
+        AFTER
+    };
+
+    class Matrix : public Plugin {
+    public:
+        Matrix();
+        bool search_is_filter() override { return true; }
+        bool search_suggestions_has_thumbnails() const override { return true; }
+        bool search_results_has_thumbnails() const override { return false; }
+        int get_search_delay() const override { return 0; }
+        bool search_suggestion_is_search() const override { return true; }
+        Page get_page_after_search() const override { return Page::EXIT; }
+        PluginResult get_cached_sync(BodyItems &result_items);
+        PluginResult sync();
+        PluginResult get_joined_rooms(BodyItems &result_items);
+        // Note: the number of items returned in |result_items| may not be the number of new messages because many messages can be combined
+        // into one if one user sends multiple messages. The number of messages is returned in |num_new_messages|.
+        PluginResult get_room_messages(const std::string &room_id, size_t start_index, BodyItems &result_items, size_t &num_new_messages);
+        SearchResult search(const std::string &text, BodyItems &result_items) override;
+
+        PluginResult post_message(const std::string &room_id, const std::string &text);
+        PluginResult login(const std::string &username, const std::string &password, const std::string &homeserver, std::string &err_msg);
+
+        PluginResult load_and_verify_cached_session();
+    private:
+        PluginResult sync_response_to_body_items(const Json::Value &root);
+        PluginResult load_initial_room_data(const std::string &room_id, RoomData *room_data);
+        void events_add_user_info(const Json::Value &events_json, RoomData *room_data);
+        void events_add_messages(const Json::Value &events_json, RoomData *room_data, MessageDirection message_dir);
+    private:
+        std::unordered_map<std::string, std::unique_ptr<RoomData>> room_data_by_id;
+        std::string user_id;
+        std::string access_token;
+        std::string homeserver;
+        std::string next_batch;
+    };
+}
\ No newline at end of file
diff --git a/plugins/Plugin.hpp b/plugins/Plugin.hpp
index 7d052c2..d2caa67 100644
--- a/plugins/Plugin.hpp
+++ b/plugins/Plugin.hpp
@@ -34,6 +34,7 @@ namespace QuickMedia {
         NET_ERR
     };
 
+    void html_escape_sequences(std::string &str);
     void html_unescape_sequences(std::string &str);
 
     class Plugin {
-- 
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