Save youtube watch progress and resume next time the video is played

2 files changed, 32 insertions, 14 deletions

diff --git a/video_player/README.md b/video_player/README.md
index 0d0adeb..247edff 100644
--- a/video_player/README.md
+++ b/video_player/README.md
@@ -19,12 +19,21 @@ Return seeking position in file in seconds
     "request_id": 232,                      // Optional. Its provided if request_id was provided in the request
 }
 ```
-### response on error
+## duration
+Return duration of file in seconds
+### request
 ```
 {
-    "status": "error",
-    "message": "error message",
-    "request_id": 233                       // Optional. Its provided if request_id was provided in the request
+    "command": "duration",
+    "request_id": 232                       // Optional
+}
+```
+### response on success
+```
+{
+    "status": "success",
+    "data": 112.432,
+    "request_id": 232,                      // Optional. Its provided if request_id was provided in the request
 }
 ```
 ## sub-add
@@ -48,14 +57,6 @@ Add a subtitle file/url that is loaded asynchronously
     "request_id": 233                       // Optional. Its provided if request_id was provided in the request
 }
 ```
-### response on error
-```
-{
-    "status": "error",
-    "message": "error message",
-    "request_id": 233                       // Optional. Its provided if request_id was provided in the request
-}
-```
 ## cycle-fullscreen
 Return seeking position in file in seconds
 ### request
@@ -72,7 +73,7 @@ Return seeking position in file in seconds
     "request_id": 232,                      // Optional. Its provided if request_id was provided in the request
 }
 ```
-### response on error
+## Response on error in every command
 ```
 {
     "status": "error",
diff --git a/video_player/src/main.cpp b/video_player/src/main.cpp
index 33c4d96..91f2d4b 100644
--- a/video_player/src/main.cpp
+++ b/video_player/src/main.cpp
@@ -46,6 +46,21 @@ static Json::Value handle_json_command_time_pos(mpv_handle *mpv_ctx) {
     return response_json;
 }
 
+static Json::Value handle_json_command_duration(mpv_handle *mpv_ctx) {
+    double duration = 0.0;
+    const int res = mpv_get_property(mpv_ctx, "duration", MPV_FORMAT_DOUBLE, &duration);
+
+    Json::Value response_json(Json::objectValue);
+    if(res < 0) {
+        response_json["status"] = "error";
+        response_json["message"] = mpv_error_string(res);
+    } else {
+        response_json["status"] = "success";
+        response_json["data"] = duration;
+    }
+    return response_json;
+}
+
 static Json::Value handle_json_command_sub_add(mpv_handle *mpv_ctx, const Json::Value &json_root) {
     Json::Value response_json(Json::objectValue);
 
@@ -163,6 +178,8 @@ static void handle_json_command(mpv_handle *mpv_ctx, const Json::Value &json_roo
     Json::Value response_json;
     if(strcmp(command_json.asCString(), "time-pos") == 0) {
         response_json = handle_json_command_time_pos(mpv_ctx);
+    } else if(strcmp(command_json.asCString(), "duration") == 0) {
+        response_json = handle_json_command_duration(mpv_ctx);
     } else if(strcmp(command_json.asCString(), "sub-add") == 0) {
         response_json = handle_json_command_sub_add(mpv_ctx, json_root);
     } else if(strcmp(command_json.asCString(), "cycle-fullscreen") == 0) {
@@ -170,7 +187,7 @@ static void handle_json_command(mpv_handle *mpv_ctx, const Json::Value &json_roo
     } else {
         response_json = Json::Value(Json::objectValue);
         response_json["status"] = "error";
-        response_json["message"] = "invalid command " + command_json.asString() + ", expected time-pos, sub-add or cycle-fullscreen";
+        response_json["message"] = "invalid command " + command_json.asString() + ", expected time-pos, duration, sub-add or cycle-fullscreen";
     }
 
     if(request_id)