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86 lines
2.7 KiB
86 lines
2.7 KiB
# imports {{{ #
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import math
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import random
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import requests
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import os
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import urllib
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import secrets
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import pprint
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import string
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from datetime import datetime
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from django.http import JsonResponse
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from django.db.models import Count, Q
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from .utils import parse_library, get_artists_in_genre, update_track_genres
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from .models import User, Track, AudioFeatures, Artist
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# }}} imports #
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TRACKS_TO_QUERY = 200
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# get_artist_data {{{ #
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def get_artist_data(request, user_secret):
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"""Returns artist data as a JSON serialized list of dictionaries
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The (key, value) pairs are (artist name, song count for said artist)
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:param request: the HTTP request
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:param user_secret: the user secret used for identification
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:return: a JsonResponse
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"""
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user = User.objects.get(user_secret=user_secret)
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artist_counts = Artist.objects.annotate(num_songs=Count('track',
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filter=Q(track__users=user)))
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processed_artist_counts = [{'name': artist.name,
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'num_songs': artist.num_songs} for artist in artist_counts]
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return JsonResponse(data=processed_artist_counts, safe=False)
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# }}} get_artist_data #
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# get_audio_feature_data {{{ #
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def get_audio_feature_data(request, audio_feature, user_secret):
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"""Returns all data points for a given audio feature
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Args:
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request: the HTTP request
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audio_feature: The audio feature to be queried
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user_secret: client secret, used to identify the user
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"""
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user = User.objects.get(user_secret=user_secret)
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user_tracks = Track.objects.filter(users=user)
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response_payload = {
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'data_points': [],
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}
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for track in user_tracks:
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try:
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audio_feature_obj = AudioFeatures.objects.get(track=track)
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response_payload['data_points'].append(getattr(audio_feature_obj, audio_feature))
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except AudioFeatures.DoesNotExist:
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continue
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return JsonResponse(response_payload)
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# }}} get_audio_feature_data #
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# get_genre_data {{{ #
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def get_genre_data(request, user_secret):
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"""Return genre data needed to create the graph user.
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TODO
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"""
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user = User.objects.get(user_secret=user_secret)
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genre_counts = (Track.objects.filter(users__exact=user)
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.values('genre')
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.order_by('genre')
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.annotate(num_songs=Count('genre'))
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)
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for genre_dict in genre_counts:
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genre_dict['artists'] = get_artists_in_genre(user, genre_dict['genre'],
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genre_dict['num_songs'])
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print("*** Genre Breakdown ***")
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pprint.pprint(list(genre_counts))
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return JsonResponse(data=list(genre_counts), safe=False)
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# }}} get_genre_data #
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