Dramacool: watch progress

2 files changed, 236 insertions, 0 deletions

diff --git a/src/plugins/utils/EpisodeNameParser.cpp b/src/plugins/utils/EpisodeNameParser.cpp
new file mode 100644
index 0000000..de2b8ac
--- /dev/null
+++ b/src/plugins/utils/EpisodeNameParser.cpp
@@ -0,0 +1,112 @@
+#include "../../../plugins/utils/EpisodeNameParser.hpp"
+
+namespace QuickMedia {
+    static bool has_season_in_name(std::string_view episode_name) {
+        size_t sep_count = 0;
+        size_t index = 0;
+        while(true) {
+            size_t next_index = episode_name.find(" - ", index);
+            if(next_index == std::string_view::npos)
+                break;
+
+            index = next_index + 3;
+            ++sep_count;
+        }
+        return sep_count >= 2;
+    }
+
+    static bool is_whitespace(char c) {
+        return c == ' ' || c == '\n' || c == '\t' || c == '\v';
+    }
+
+    static std::string_view strip_left(std::string_view str) {
+        size_t i = 0;
+        for(; i < str.size(); ++i) {
+            if(!is_whitespace(str[i]))
+                break;
+        }
+        return str.substr(i);
+    }
+
+    static std::string_view strip_right(std::string_view str) {
+        long i = (long)str.size() - 1;
+        for(; i >= 0; --i) {
+            if(!is_whitespace(str[i]))
+                break;
+        }
+        return str.substr(0, i + 1);
+    }
+
+    static std::string_view episode_name_extract_group(std::string_view &episode_name) {
+        episode_name = strip_left(episode_name);
+        if(episode_name[0] == '[') {
+            size_t group_end_index = episode_name.find(']', 1);
+            if(group_end_index == std::string_view::npos)
+                return {};
+
+            std::string_view group = episode_name.substr(1, group_end_index - 1);
+            episode_name.remove_prefix(group_end_index + 1);
+            return group;
+        }
+        return {};
+    }
+
+    static std::string_view episode_name_extract_anime(std::string_view &episode_name) {
+        episode_name = strip_left(episode_name);
+        size_t episode_or_season_sep_index = episode_name.find(" - ");
+        if(episode_or_season_sep_index == std::string_view::npos)
+            episode_or_season_sep_index = episode_name.size();
+
+        std::string_view anime = episode_name.substr(0, episode_or_season_sep_index);
+        anime = strip_right(anime);
+        if(episode_or_season_sep_index + 3 > episode_name.size())
+            episode_name = {};
+        else
+            episode_name.remove_prefix(episode_or_season_sep_index + 3);
+
+        return anime;
+    }
+
+    static std::string_view episode_name_extract_season(std::string_view &episode_name) {
+        return episode_name_extract_anime(episode_name);
+    }
+
+    static bool is_num_real_char(char c) {
+        return (c >= '0' && c <= '9') || c == '.';
+    }
+
+    static std::string_view episode_name_extract_episode(std::string_view &episode_name) {
+        episode_name = strip_left(episode_name);
+        size_t i = 0;
+        for(; i < episode_name.size(); ++i) {
+            if(!is_num_real_char(episode_name[i]))
+                break;
+        }
+
+        if(i == 0)
+            return {};
+
+        std::string_view episode = episode_name.substr(0, i);
+        episode_name.remove_prefix(i + 1);
+        return episode;
+    }
+
+    std::optional<EpisodeNameParts> episode_name_extract_parts(std::string_view episode_name) {
+        EpisodeNameParts name_parts;
+        const bool has_season = has_season_in_name(episode_name);
+
+        name_parts.group = episode_name_extract_group(episode_name);
+        name_parts.anime = episode_name_extract_anime(episode_name);
+        if(name_parts.anime.empty())
+            return std::nullopt;
+        
+        if(has_season)
+            name_parts.season = episode_name_extract_season(episode_name);
+
+        name_parts.episode = episode_name_extract_episode(episode_name);
+        if(name_parts.episode.empty())
+            return std::nullopt;
+
+        return name_parts;
+    }
+}
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diff --git a/src/plugins/utils/WatchProgress.cpp b/src/plugins/utils/WatchProgress.cpp
new file mode 100644
index 0000000..805f6e7
--- /dev/null
+++ b/src/plugins/utils/WatchProgress.cpp
@@ -0,0 +1,124 @@
+#include "../../../plugins/utils/WatchProgress.hpp"
+#include "../../../include/Storage.hpp"
+#include "../../../include/Notification.hpp"
+#include <json/value.h>
+
+namespace QuickMedia {
+    double WatchProgress::get_watch_ratio() const {
+        if(duration_sec == 0)
+            return 0;
+        return (double)time_pos_sec / (double)duration_sec;
+    }
+
+    // We consider having watched the video if the user stopped watching 90% in, because they might skip the ending theme/credits (especially in anime)
+    bool WatchProgress::has_finished_watching() const {
+        return get_watch_ratio() >= 0.9;
+    }
+
+    bool set_watch_progress_for_plugin(const char *plugin_name, const std::string &id, int64_t time_pos_sec, int64_t duration_sec, const std::string &thumbnail_url) {
+        Path watch_progress_dir = get_storage_dir().join("watch-progress");
+        if(create_directory_recursive(watch_progress_dir) != 0) {
+            show_notification("QuickMedia", "Failed to create " + watch_progress_dir.data + " to set watch progress for " + id, Urgency::CRITICAL);
+            return false;
+        }
+
+        Path progress_path = watch_progress_dir;
+        progress_path.join(plugin_name);
+
+        Json::Value json_root;
+        if(!read_file_as_json(progress_path, json_root) || !json_root.isObject())
+            json_root = Json::Value(Json::objectValue);
+
+        Json::Value watch_progress_json(Json::objectValue);
+        watch_progress_json["time"] = (int64_t)time_pos_sec;
+        watch_progress_json["duration"] = (int64_t)duration_sec;
+        watch_progress_json["thumbnail_url"] = thumbnail_url;
+        watch_progress_json["timestamp"] = (int64_t)time(nullptr);
+        json_root[id] = std::move(watch_progress_json);
+
+        if(!save_json_to_file_atomic(progress_path, json_root)) {
+            show_notification("QuickMedia", "Failed to set watch progress for " + id, Urgency::CRITICAL);
+            return false;
+        }
+
+        fprintf(stderr, "Set watch progress for \"%s\" to %d/%d\n", id.c_str(), (int)time_pos_sec, (int)duration_sec);
+        return true;
+    }
+
+    std::unordered_map<std::string, WatchProgress> get_watch_progress_for_plugin(const char *plugin_name) {
+        std::unordered_map<std::string, WatchProgress> watch_progress_map;
+        Path progress_path = get_storage_dir().join("watch-progress").join(plugin_name);
+
+        Json::Value json_root;
+        if(!read_file_as_json(progress_path, json_root) || !json_root.isObject())
+            return watch_progress_map;
+
+        for(Json::Value::const_iterator it = json_root.begin(); it != json_root.end(); ++it) {
+            Json::Value key = it.key();
+            if(!key.isString())
+                continue;
+
+            const Json::Value &time_json = (*it)["time"];
+            const Json::Value &duration_json = (*it)["duration"];
+            const Json::Value &timestamp_json = (*it)["timestamp"];
+            if(!time_json.isInt64() || !duration_json.isInt64() || !timestamp_json.isInt64())
+                continue;
+
+            WatchProgress watch_progress;
+            watch_progress.time_pos_sec = time_json.asInt64();
+            watch_progress.duration_sec = duration_json.asInt64();
+            watch_progress.timestamp = timestamp_json.asInt64();
+
+            const Json::Value &thumbnail_url_json = (*it)["thumbnail_url"];
+            if(thumbnail_url_json.isString())
+                watch_progress.thumbnail_url = thumbnail_url_json.asString();
+
+            watch_progress_map[key.asString()] = std::move(watch_progress);
+        }
+
+        return watch_progress_map;
+    }
+
+    bool toggle_watched_for_plugin_save_to_file(const char *plugin_name, const std::string &id, int64_t duration_sec, const std::string &thumbnail_url, WatchedStatus &watched_status) {
+        Path local_anime_progress_path = get_storage_dir().join("watch-progress").join(plugin_name);
+
+        Json::Value json_root;
+        if(!read_file_as_json(local_anime_progress_path, json_root) || !json_root.isObject())
+            json_root = Json::Value(Json::objectValue);
+
+        bool watched = false;
+        Json::Value &watched_item = json_root[id];
+        if(watched_item.isObject()) {
+            const Json::Value &time_json = watched_item["time"];
+            const Json::Value &duration_json = watched_item["duration"];
+            if(time_json.isInt64() && duration_json.isInt64()) {
+                WatchProgress watch_progress;
+                watch_progress.time_pos_sec = time_json.asInt64();
+                watch_progress.duration_sec = duration_json.asInt64();
+                watched = watch_progress.has_finished_watching();
+            } else {
+                watched = false;
+            }
+        } else {
+            watched_item = Json::Value(Json::objectValue);
+            watched = false;
+        }
+
+        if(watched) {
+            json_root.removeMember(id.c_str());
+        } else {
+            watched_item["time"] = (int64_t)duration_sec;
+            watched_item["duration"] = (int64_t)duration_sec;
+            watched_item["thumbnail_url"] = thumbnail_url;
+            watched_item["timestamp"] = (int64_t)time(nullptr);
+        }
+
+        if(!save_json_to_file_atomic(local_anime_progress_path, json_root)) {
+            show_notification("QuickMedia", "Failed to mark " + id + " as " + (watched ? "not watched" : "watched"), Urgency::CRITICAL);
+            return false;
+        }
+
+        watched_status = watched ? WatchedStatus::NOT_WATCHED : WatchedStatus::WATCHED;
+        return true;
+    }
+}
\ No newline at end of file