Issue #5 - Save volume of the mpv player

lib/lib.sh

@@ -88,11 +88,24 @@ _station_list() {
     jq -r '.[] | .name' <"$FAVORITE_PATH/$1.json"
 }
 
+# Function to get the saved volume or set it to default
+get_saved_volume() {
+    if [ ! -f "$CONFIG_FILE" ]; then
+        echo "volume=100" > "$CONFIG_FILE"
+    fi
+    grep "volume" "$CONFIG_FILE" | cut -d '=' -f2
+}
+
 _play() {
     echo
     yellowprint "Press q to quit."
     echo
-    mpv "$1" || {
+
+    # Get the saved volume from the config file
+    volume=$(get_saved_volume)
+
+    # Start mpv with saved volume level and the Lua script from the lib directory
+    mpv --volume="$volume" --script="./lib/save_volume.lua" "$1" || {
         echo "Not able to play your station."
         return 1
     }

lib/save_volume.lua

@@ -0,0 +1,11 @@
+-- Save volume changes immediately to the config file
+local config_file = os.getenv("HOME") .. "/.config/tera/tera_config.conf"
+
+function save_volume()
+    local volume = mp.get_property("volume")
+    os.execute("mkdir -p " .. os.getenv("HOME") .. "/.config/tera")
+    os.execute("echo volume=" .. volume .. " > " .. config_file)
+end
+
+-- Register the function to listen for volume change events
+mp.observe_property("volume", "native", save_volume)

tera

@@ -8,6 +8,7 @@ SCRIPT_DOT_DIR="$HOME/.config/tera"
 # CACHE_DIR="$HOME/.cache"
 FAVORITE_PATH="$SCRIPT_DOT_DIR/favorite"
 TMP_PATH="$HOME/.cache/tera"
+CONFIG_FILE="$SCRIPT_DOT_DIR/tera_config.conf"
 FAVORITE_FILE="sample.json"
 FAVORITE_FULL="${FAVORITE_PATH}/${FAVORITE_FILE}"
 SCRIPT_NAME=$(basename "$0")
@@ -76,6 +77,11 @@ fi
 if [ ! -d "$TMP_PATH" ]; then
     mkdir -p "$TMP_PATH"
 fi
+# Ensure the configuration file exists, create it with default settings if not
+if [ ! -f "$CONFIG_FILE" ]; then
+    mkdir -p "$(dirname "$CONFIG_FILE")"
+    echo "volume=100" > "$CONFIG_FILE"  # Default volume set to 100%
+fi
 # TODO
 # 1. If $FAVORITE_PATH has no file copy the sample.json
 # 2. If $FAVORITE_PATH has one file and content is less than