server: add get album bio from last fm function

- co-written by Github Copilot

server/app/helpers.py

@@ -7,28 +7,25 @@ import threading
 import time
 import requests
 
-from mutagen.mp3 import MP3
-from mutagen.id3 import ID3
-from mutagen.flac import FLAC
-
 from io import BytesIO
 from PIL import Image
 
 from app import instances
 from app import functions
 
-home_dir = os.path.expanduser('~') + "/"
-app_dir = home_dir + '/.musicx'
-
+home_dir = os.path.expanduser('~') + '/'
+app_dir = os.path.join(home_dir, '.musicx')
+last_fm_api_key = "762db7a44a9e6fb5585661f5f2bdf23a"
 
 def background(f):
     '''
     a threading decorator
     use @background above the function you want to run in the background
     '''
-    def backgrnd_func(*a, **kw):
+    def background_func(*a, **kw):
         threading.Thread(target=f, args=a, kwargs=kw).start()
-    return backgrnd_func
+    return background_func
+
 
 @background
 def check_for_new_songs():
@@ -62,142 +59,6 @@ def run_fast_scandir(dir: str, ext: str) -> list:
     return subfolders, files
 
 
-def extract_thumb(path: str) -> str:
-    """
-    Extracts the thumbnail from an audio file. Returns the path to the thumbnail.
-    """
-
-    webp_path = path.split('/')[-1] + '.webp'
-    img_path = app_dir + "/images/thumbnails/" + webp_path
-
-    if os.path.exists(img_path):
-        return webp_path
-
-    if path.endswith('.flac'):
-        try:
-            audio = FLAC(path)
-            album_art = audio.pictures[0].data
-        except:
-            album_art = None
-    elif path.endswith('.mp3'):
-        try:
-            audio = ID3(path)
-            album_art = audio.getall('APIC')[0].data
-        except:
-            album_art = None
-
-    if album_art is None:
-        return "null.webp"
-    else:
-        img = Image.open(BytesIO(album_art))
-
-        try:
-            small_img = img.resize((150, 150), Image.ANTIALIAS)
-            small_img.save(img_path, format="webp")
-        except OSError:
-            try:
-                png = img.convert('RGB')
-                small_img = png.resize((150, 150), Image.ANTIALIAS)
-                small_img.save(img_path, format="webp")
-                print('{} :: was png'.format(
-                    img_path
-                ))
-
-            except:
-                img_path = None
-
-    return webp_path
-
-
-def getTags(full_path: str) -> dict:
-    """
-    Returns a dictionary of tags for a given file.
-    """
-
-    if full_path.endswith('.flac'):
-        try:
-            audio = FLAC(full_path)
-        except:
-            return
-    elif full_path.endswith('.mp3'):
-        try:
-            audio = MP3(full_path)
-        except:
-            return
-
-    try:
-        artists = audio['artist'][0]
-    except KeyError:
-        try:
-            artists = audio['TPE1'][0]
-        except:
-            artists = 'Unknown'
-    except IndexError:
-        artists = 'Unknown'
-
-    try:
-        album_artist = audio['albumartist'][0]
-    except KeyError:
-        try:
-            album_artist = audio['TPE2'][0]
-        except:
-            album_artist = 'Unknown'
-    except IndexError:
-        album_artist = 'Unknown'
-
-    try:
-        title = audio['title'][0]
-    except KeyError:
-        try:
-            title = audio['TIT2'][0]
-        except:
-            title = full_path.split('/')[-1]
-    except:
-        title = full_path.split('/')[-1]
-
-    try:
-        album = audio['album'][0]
-    except KeyError:
-        try:
-            album = audio['TALB'][0]
-        except:
-            album = "Unknown"
-    except IndexError:
-        album = "Unknown"
-
-    try:
-        genre = audio['genre'][0]
-    except KeyError:
-        try:
-            genre = audio['TCON'][0]
-        except:
-            genre = "Unknown"
-    except IndexError:
-        genre = "Unknown"
-
-    img_path = extract_thumb(full_path)
-
-    tags = {
-        "filepath": full_path.replace(home_dir, ''),
-        "folder": os.path.dirname(full_path).replace(home_dir, ""),
-        "title": title,
-        "artists": artists,
-        "album_artist": album_artist,
-        "album": album,
-        "genre": genre,
-        "length": round(audio.info.length),
-        "bitrate": audio.info.bitrate,
-        "image": img_path,
-        "type": {
-            "name": None,
-            "id": None
-        }
-    }
-
-    instances.songs_instance.insert_song(tags)
-    return tags
-
-
 def remove_duplicates(array: list) -> list:
     """
     Removes duplicates from a list. Returns a list without duplicates.
@@ -245,33 +106,33 @@ def create_config_dir() -> None:
     """
 
     home_dir = os.path.expanduser('~')
-    config_folder = home_dir + app_dir
+    config_folder = os.path.join(home_dir, app_dir)
 
-    dirs = ["", "/images", "/images/artists", "/images/thumbnails"]
+    dirs = ["", "images", "images/defaults",
+            "images/artists", "images/thumbnails"]
 
     for dir in dirs:
-        if not os.path.exists(config_folder + dir):
-            os.makedirs(config_folder + dir)
+        path = os.path.join(config_folder, dir)
+        os.chmod(path, 0o755)
+        try:
+            os.makedirs(path)
+        except FileExistsError:
+            pass
 
 
 def getAllSongs() -> None:
     """
     Gets all songs under the ~/ directory.
     """
-    
-    tracks = []
-    tracks.extend(instances.songs_instance.get_all_songs())
+
+    tracks = instances.songs_instance.get_all_songs()
 
     for track in tracks:
         try:
             os.chmod(os.path.join(home_dir, track['filepath']), 0o755)
         except FileNotFoundError:
-            instances.songs_instance.remove_song_by_filepath(
-                os.path.join(home_dir, track['filepath']))
-        
-        if track['image'] is not None:
-            track['image'] = "http://127.0.0.1:8900/images/thumbnails/" + \
-                track['image']
+            instances.songs_instance.remove_song_by_filepath(track['filepath'])
+
         if track['artists'] is not None:
             track['artists'] = track['artists'].split(', ')