major refactoring

- move instances to new file
- import functions as modules
- add docstrings to helper functions
- add threaded populate() function
- remove unused functions and files
- add typing info to helper functions
- other unremembered changes to the client

server/app/functions.py

@@ -0,0 +1,94 @@
+"""
+This module contains larger functions for the server
+"""
+
+from progress.bar import Bar
+import requests
+import os
+from mutagen.flac import MutagenError
+from app import helpers
+from app import instances
+
+
+def populate():
+    '''
+    Populate the database with all songs in the music directory
+
+    checks if the song is in the database, if not, it adds it
+    also checks if the album art exists in the image path, if not tries to
+    extract it.
+    '''
+    files = helpers.run_fast_scandir(helpers.home_dir, [".flac", ".mp3"])[1]
+
+    bar = Bar('Indexing files', max=len(files))
+
+    for file in files:
+        file_in_db_obj = instances.songs_instance.find_song_by_path(file)
+
+        try:
+            image = file_in_db_obj['image']
+
+            if not os.path.exists(os.path.join(helpers.app_dir, 'images', 'thumbnails', image)):
+                helpers.extract_thumb(file)
+        except:
+            image = None
+
+        if image is None:
+            try:
+                helpers.getTags(file)
+            except MutagenError:
+                pass
+
+        bar.next()
+
+    bar.finish()
+
+    return {'msg': 'updated everything'}
+
+
+def populate_images():
+    all_songs = instances.songs_instance.get_all_songs()
+
+    artists = []
+
+    for song in all_songs:
+        this_artists = song['artists'].split(', ')
+
+        for artist in this_artists:
+            if artist not in artists:
+                artists.append(artist)
+
+    bar = Bar('Processing images', max=len(artists))
+    for artist in artists:
+        file_path = helpers.app_dir + '/images/artists/' + artist + '.jpg'
+
+        if not os.path.exists(file_path):
+            url = 'https://api.deezer.com/search/artist?q={}'.format(artist)
+            response = requests.get(url)
+            data = response.json()
+
+            try:
+                image_path = data['data'][0]['picture_xl']
+            except:
+                image_path = None
+
+            if image_path is not None:
+                try:
+                    helpers.save_image(image_path, file_path)
+                    artist_obj = {
+                        'name': artist
+                    }
+
+                    instances.artist_instance.insert_artist(artist_obj)
+                except:
+                    pass
+        else:
+            pass
+
+        bar.next()
+
+    bar.finish()
+
+    artists_in_db = instances.artist_instance.get_all_artists()
+
+    return {'sample': artists_in_db[:25]}