Added some important features and update few things

src/tidler

@@ -35,6 +35,19 @@ else
 	cover_resolution="1280" # Default value
 fi
 
+if [ -n "$MAX_ATTEMPTS" ]; then
+	if [ "$MAX_ATTEMPTS" -ge 1 -a "$MAX_ATTEMPTS" -le 100 ]; then
+		max_attempts="$MAX_ATTEMPTS"
+	else
+		echo "Bad MAX_ATTEMPTS option. Allowed are numbers from 1 to 100."
+		echo "Using default value..."
+
+		max_attempts=10 # Default value
+	fi
+else
+	max_attempts=10 # Default value
+fi
+	
 downloadTrack() {
     if [ "$#" -ge 1 ]; then
         echo "Downloading track with ID: $1"
@@ -50,25 +63,53 @@ downloadTrack() {
         album_dir=""
     fi
 
-    json_data=$(curl -s "$proxy_url/track/?id=$id&quality=$quality")
+    attempt_num=1
+    success=false
 
-    if [ "$?" -gt 0 ]; then
+    while [ $attempt_num -le $max_attempts ]; do
-	    echo "Error"
+        json_data=$(curl -# "$proxy_url/track/?id=$id&quality=$quality")
-	    exit 1
+        
+        if [ $? -eq 0 ]; then
+            track_name=$(echo "$json_data" | jq -r '.[0].title // empty')
+            
+            if [ -n "$track_name" ]; then
+                artist_name=$(echo "$json_data" | jq -r '.[0].artist.name // empty')
+                
+                if [ -n "$artist_name" ]; then
+                    album_name=$(echo "$json_data" | jq -r '.[0].album.title // empty')
+                    
+                    if [ -n "$album_name" ]; then
+                        url=$(echo "$json_data" | jq -r '.[-1].OriginalTrackUrl // empty')
+                        
+                        if [ -n "$url" ]; then
+                            cover_data=$(curl -s "$proxy_url/cover/?id=$id")
+                            cover_url=$(echo "$cover_data" | jq -r '.[]["1280"] // empty')
+                            
+                            if [ -n "$cover_url" ]; then
+                                track_number=$(echo "$json_data" | jq -r '.[0].trackNumber')
+                                filename="$track_name.flac"
+                                cover_name="cover.png"
+                                success=true
+                                break
+                            fi
+                        fi
+                    fi
+                fi
+            fi
+        fi
+
+        if [ "$success" = false ]; then
+            echo "Attempt $attempt_num failed. Retrying..."
+            ((attempt_num++))
+            sleep 1 # TODO: random sleep time
+        fi
+    done
+
+    if [ "$success" = false ]; then
+        echo "Failed to download after $max_attempts attempts."
+        exit 1
     fi
 
-    track_name=$(echo "$json_data" | jq -r '.[0].title')
-
-    artist_name=$(echo "$json_data" | jq -r '.[0].artist.name')
-    album_name=$(echo "$json_data" | jq -r '.[0].album.title')
-    url=$(echo "$json_data" | jq -r '.[-1].OriginalTrackUrl')
-    cover_data=$(curl -s "$proxy_url/cover/?id=$id")
-    cover_url=$(echo "$cover_data" | jq -r '.[]["1280"]')
-
-    track_number=$(echo "$json_data" | jq -r '.[0].trackNumber')
-    filename="$track_name.flac"
-    cover_name="cover.png"
-
     if [ -n "$DOWNLOADS_DIR" ]; then
         download_dir="$DOWNLOADS_DIR"
     else
@@ -76,9 +117,9 @@ downloadTrack() {
     fi
 
     if [ -z "$album_dir" ]; then
-    	final_path="$download_dir"
+        final_path="$download_dir"
     else
-    	final_path="$download_dir/$album_dir"
+        final_path="$download_dir/$album_dir"
     fi
 
     mkdir -p "$final_path"
@@ -96,7 +137,6 @@ downloadTrack() {
         "$final_path/$filename"
 }
 
-
 searchTrack() {
     if [ "$#" -ge 1 ]; then
 	track_name="$1"
@@ -105,7 +145,7 @@ searchTrack() {
 	read -r track_name
     fi
     track_name=$(echo "$track_name" | sed 's/ /%20/g')
-    tracks=$(curl -s "$proxy_url/search/?s=$track_name" | jq -r '.items[] | "\(.id) - \(.title) by \(.artist.name)"')
+    tracks=$(curl -# "$proxy_url/search/?s=$track_name" | jq -r '.items[] | "\(.id) - \(.title) by \(.artist.name)"')
 
     tracks_list=()
     while IFS= read -r list; do
@@ -138,60 +178,96 @@ downloadAlbum() {
     else
         base_dir="$(pwd)"
     fi
-    json_data=$(curl -s "$proxy_url/album/?id=$id&quality=$quality")
-    album_name=$(echo "$json_data" | jq -r '.[0].title')
-    artist_name=$(echo "$json_data" | jq -r '.[0].artist.name')
-    album_title="$artist_name - $album_name"
-    album_dir="$album_title"
-    album_tracks_ids=$(curl -s "$proxy_url/album/?id=$id&quality=$quality" | jq -r '.[1].items[] | .item.id')
-    tracks_ids_list=()
-    while IFS= read -r list; do
-        tracks_ids_list+=("$list")
-    done <<< "$album_tracks_ids"
 
-    for track_id in "${tracks_ids_list[@]}"
+    attempt_num=1
-    do
+    success=false
-        downloadTrack "$track_id" "$album_dir"
+
+    while [ $attempt_num -le $max_attempts ]; do
+        json_data=$(curl -# "$proxy_url/album/?id=$id&quality=$quality")
+        if [ $? -eq 0 ]; then
+            album_name=$(echo "$json_data" | jq -r '.[0].title')
+            artist_name=$(echo "$json_data" | jq -r '.[0].artist.name')
+            album_title="$artist_name - $album_name"
+            album_dir="$album_title"
+            album_tracks_ids=$(echo "$json_data" | jq -r '.[1].items[] | .item.id')
+            tracks_ids_list=()
+            while IFS= read -r list; do
+                tracks_ids_list+=("$list")
+            done <<< "$album_tracks_ids"
+
+            for track_id in "${tracks_ids_list[@]}"; do
+                downloadTrack "$track_id" "$album_dir"
+            done
+            success=true
+            break
+        else
+            echo "Attempt $attempt_num failed. Retrying..."
+            ((attempt_num++))
+            sleep 1
+        fi
     done
+
+    if [ "$success" = false ]; then
+        echo "Failed to download album after $max_attempts attempts."
+        exit 1
+    fi
 }
 
 
 
+
+
 searchAlbum() {
     if [ "$#" -ge 1 ]; then
-	album_name="$1"
+        album_name="$1"
     else
-	echo "Enter album name:"
+        echo "Enter album name:"
-	read -r album_name
+        read -r album_name
     fi
 
     album_name=$(echo "$album_name" | sed 's/ /%20/g')
-    albums=$(curl -s "$proxy_url/search/?al=$album_name" | jq -r '.albums.items[] | "\(.id): \(.title)"')
+    attempt_num=1
+    success=false
 
-    albums_list=()
+    while [ $attempt_num -le $max_attempts ]; do
-    while IFS= read -r list; do
+        albums=$(curl -# "$proxy_url/search/?al=$album_name" | jq -r '.albums.items[] | "\(.id): \(.title)"')
-        albums_list+=("$list")
-    done <<< "$albums"
 
-    if [ "${#albums_list[@]}" -eq 1 ]; then
+        albums_list=()
-        echo "No albums found :("
+        while IFS= read -r list; do
-        exit 1
+            albums_list+=("$list")
-    fi
+        done <<< "$albums"
 
-    PS3="Please select an album: "
+        if [ "${#albums_list[@]}" -eq 0 ]; then
-    select t in "${albums_list[@]}"; do
+            echo "No albums found. Retrying... (Attempt $attempt_num/$max_attempts)"
-        if [ -n "$t" ]; then
+            ((attempt_num++))
-            album_id=$(echo "$t" | awk -F ': ' '{print $1}')
+            sleep 1
-            echo "You selected: $t"
-            downloadAlbum "$album_id"
-            break
         else
-            echo "Invalid selection. Please try again."
+            PS3="Please select an album: "
+            select t in "${albums_list[@]}"; do
+                if [ -n "$t" ]; then
+                    album_id=$(echo "$t" | awk -F ': ' '{print $1}')
+                    echo "You selected: $t"
+                    downloadAlbum "$album_id"
+                    success=true
+                    break
+                else
+                    echo "Invalid selection. Please try again."
+                fi
+            done
+            if [ "$success" = true ]; then
+                break
+            fi
         fi
     done
+
+    if [ "$success" = false ]; then
+        echo "Failed to find and download album after $max_attempts attempts."
+        exit 1
+    fi
 }
 
 
+
 echo "Welcome to TiDLer!" && echo ""
 
 if [ "$1" = "search" ]; then

src/tidler.conf

@@ -10,3 +10,6 @@ QUALITY="LOSSLESS"
 
 # Set cover art resolution -> "1280" = 1280x1280, "640" = 640x640, "80" = 80x80
 COVER_RESOLUTION="1280"
+
+# If there is any problem with the API, Tidler will attempt to download the track again -> possible values are "1" to "100"
+MAX_ATTEMPTS="10"