Merge pull request #8 from deepjyoti30/master

Added function to get albumcover online.

kunst

@@ -8,6 +8,36 @@
 
 COVER=/tmp/kunst.jpg
 MUSIC_DIR=~/Music/
+DIMENSION=250x250
+
+# Parse the arguments
+options=$(getopt -o d:D:h --long dimension:,DIR:,help -- "$@")
+eval set -- "$options"
+
+while true; do
+    case "$1" in 
+        -d|--dimension)
+            shift;
+            DIMENSION=$1
+            ;;
+        -D|--DIR)
+            shift;
+            MUSIC_DIR=$1
+            ;;
+        -h|--help)
+            echo "kunst"
+			echo "   -d, --dimension: Pass the dimension for the image.(Default: $DIMENSION)"
+			echo "   -D, --DIR: Pass the Music directory that MPD plays from. (Default: $MUSIC_DIR)"
+			echo "   -h, --help: Show this message and exit."
+			exit
+            ;;
+        --)
+            shift
+            break
+            ;;
+    esac
+    shift
+done
 
 # this is a base64 endcoded image which will be used if
 # if the file does not have an emmbeded album art.
@@ -17,6 +47,44 @@ iVBORw0KGgoAAAANSUhEUgAAADAAAAAwCAYAAABXAvmHAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8
 EOF
 
 
+is_connected() {
+	# Check if internet is connected
+	if ping -q -c 1 -W 1 8.8.8.8 >/dev/null; then
+		connected=true
+	else
+		echo "kunst: Can't check online for the cover"
+		connected=false
+	fi
+}
+
+
+get_cover_online() {
+	# Check if connected to internet
+	is_connected
+
+	if [ $connected == false ];then
+		ARTLESS=true
+		return
+	fi
+
+	# Try to get the album cover online from api.deezer.com
+	API_URL="http://api.deezer.com/search/autocomplete?q=$(mpc current)" && API_URL=${API_URL//' '/'%20'}
+
+	# extract the albumcover from the json returned
+	IMG_URL=$(curl -s "$API_URL" | jq -r '.playlists.data[0] | .picture_big')
+
+	if [ "$IMG_URL" = '' ] || [ "$IMG_URL" = 'null' ];then
+		echo "error: Cover not found online"
+		ARTLESS=true
+	else
+		echo "kunst: Cover found online"
+		curl -o $COVER -s $IMG_URL
+		ARTLESS=false
+	fi
+
+}
+
+
 update_cover() {
 	# extract the album art from the mp3 file and dont show the messsy
 	# output of ffmpeg
@@ -31,18 +99,25 @@ update_cover() {
 		ARTLESS=false
 	else
 		echo "error: file does not have an album art"
-		ARTLESS=true
-		return
+		get_cover_online
 	fi
 
 	# resize the image to 250x250
-	convert $COVER -resize 250x250 $COVER
+	if [ $ARTLESS == false ]; then
+		convert $COVER -resize $DIMENSION $COVER
+		echo "kunst: resized album art to $DIMENSION"
+	fi
 
-	echo "kunst: resized album art to 250x250"
 }
 
 
 main() {
+
+	# Flag to run some commands only once in the loop
+	FIRST_RUN=true
+
+	while true; do
+
 		update_cover
 
 		if [ $ARTLESS == true ];then
@@ -58,29 +133,17 @@ main() {
 		echo "kunst: swapped album art to $(mpc current)"
 		echo "------------------------------------------"
 
-	# display the album art using sxiv
-	sxiv -g 250x250 -b $COVER -N "Kunst" &
+		if [ $FIRST_RUN == true ]; then
+			FIRST_RUN=false
+
+			# display the album art using sxiv
+			sxiv -g $DIMENSION -b $COVER -N "Kunst" &
+		fi
 
-	while true; do
 		# waiting for an event from mpd; play/pause/next/previous
 		# this is lets kunst use less CPU :)
 		mpc idle &> /dev/null
 		echo "kunst: received event from mpd"
-
-		update_cover
-
-		if [ $ARTLESS == true ];then
-			# change the path to COVER because the music note
-			# image is a png not jpg
-			COVER=/tmp/kunst.png
-
-			# decode the base64 encoded image and save it
-			# to /tmp/kunst.png
-			echo "$MUSIC_NOTE" | base64 --decode > $COVER
-		fi
-
-		echo "kunst: swapped album art to $(mpc current)"
-		echo "------------------------------------------"
 	done
 }