Merge pull request #64 from Kevin-Mok/history

Scan user history

.gitignore

@@ -1,4 +1,5 @@
 *.pyc
+*.log
 db.sqlite3
 *.bak
 .idea/
@@ -9,3 +10,4 @@ api-keys.sh
 Pipfile
 *.txt
 scrap.py
+media/history/*

api/management/commands/update-history.py

@@ -0,0 +1,10 @@
+from django.core.management.base import BaseCommand, CommandError
+from api.utils import parse_history
+from login.models import User
+
+class Command(BaseCommand):
+    help = 'Update history for users who requested it'
+
+    def handle(self, *args, **options):
+        user_id = "polarbier"
+        parse_history(User.objects.get(id=user_id).secret)

api/models.py

@@ -45,9 +45,8 @@ class Track(models.Model):
         verbose_name_plural = "Tracks"
 
     id = models.CharField(primary_key=True, max_length=MAX_ID)
-    #  artist = models.ForeignKey(Artist, on_delete=models.CASCADE)
     artists = models.ManyToManyField(Artist, blank=True)
-    year = models.PositiveSmallIntegerField()
+    year = models.PositiveSmallIntegerField(null=True)
     popularity = models.PositiveSmallIntegerField()
     runtime = models.PositiveSmallIntegerField()
     name = models.CharField(max_length=200)
@@ -86,3 +85,30 @@ class AudioFeatures(models.Model):
         return super(AudioFeatures, self).__str__()
 
 #  }}} AudioFeatures #
+
+#  History {{{ # 
+
+class History(models.Model):
+        
+    class Meta:
+        verbose_name = "History"
+        verbose_name_plural = "History"
+        unique_together = (("user", "timestamp"),)
+
+    id = models.AutoField(primary_key=True)
+    user = models.ForeignKey(User, on_delete=models.CASCADE)
+    timestamp = models.DateTimeField()
+    track = models.ForeignKey(Track, on_delete=models.CASCADE)
+
+    def __str__(self):
+        return " - ".join((str(self.user), str(self.timestamp), str(self.track)))
+
+    def get_artists(self):
+        artist_names = [artist.name for artist in self.track.artists.all()]
+        return ', '.join(artist_names)
+
+    def get_iso_timestamp(self):
+        return self.timestamp.isoformat()
+
+#  }}} #
+

api/urls.py

@@ -4,12 +4,16 @@ from .views import *
 
 app_name = 'api'
 urlpatterns = [
-    path('scan/<str:user_secret>', parse_library,
-        name='scan'),
+    path('scan/library/<str:user_secret>', parse_library,
+        name='scan_library'),
+    path('scan/history/<str:user_secret>', parse_history_request,
+        name='scan_history'),
     path('user_artists/<str:user_secret>', get_artist_data,
         name='get_artist_data'),
     path('user_genres/<str:user_secret>', get_genre_data,
         name='get_genre_data'),
     path('audio_features/<str:audio_feature>/<str:user_secret>',
         get_audio_feature_data, name='get_audio_feature_data'),
+    path('import/history/<upload_id>', import_history, name='import_history'),
 ]
+

api/utils.py

@@ -1,21 +1,26 @@
 #  imports {{{ # 
 import requests
 import math
-import pprint
 import os
 import json
 
-from django.db.models import Count, Q, F
+from django.db.models import Count, F, Max
 from django.http import JsonResponse
 from django.core import serializers
 from django.utils import timezone
 from .models import *
+from . import views
 from login.models import User
+from pprint import pprint
+from dateutil.parser import parse
+from datetime import datetime
+
+HISTORY_ENDPOINT = 'https://api.spotify.com/v1/me/player/recently-played'
 
 #  }}} imports # 
 
-console_logging = True
-#  console_logging = False
+#  console_logging = True
+console_logging = False
 artists_genre_processed = 0
 features_processed = 0
 
@@ -74,19 +79,32 @@ def save_track_obj(track_dict, artists, user_obj):
     if len(track_query) != 0:
         return track_query[0], False
     else:
-        new_track = Track.objects.create(
-            id=track_dict['id'],
-            year=track_dict['album']['release_date'].split('-')[0],
-            popularity=int(track_dict['popularity']),
-            runtime=int(float(track_dict['duration_ms']) / 1000),
-            name=track_dict['name'],
-            )
+        # check if track is simple or full, simple Track object won't have year
+        #  if 'album' in track_dict:
+        try:
+            new_track = Track.objects.create(
+                id=track_dict['id'],
+                year=track_dict['album']['release_date'].split('-')[0],
+                popularity=int(track_dict['popularity']),
+                runtime=int(float(track_dict['duration_ms']) / 1000),
+                name=track_dict['name'],
+                )
+        #  else:
+        except KeyError:
+            new_track = Track.objects.create(
+                id=track_dict['id'],
+                popularity=int(track_dict['popularity']),
+                runtime=int(float(track_dict['duration_ms']) / 1000),
+                name=track_dict['name'],
+                )
 
         # have to add artists and user_obj after saving object since track needs to
         # have ID before filling in m2m field
         for artist in artists:
             new_track.artists.add(artist)
-        new_track.users.add(user_obj)
+            #  print(new_track.name, artist.name)
+        if user_obj != None:
+            new_track.users.add(user_obj)
         new_track.save()
         return new_track, True
 
@@ -169,8 +187,8 @@ def add_artist_genres(headers, artist_objs):
     artist_ids = str.join(",", [artist_obj.id for artist_obj in artist_objs])
     params = {'ids': artist_ids}
     artists_response = requests.get('https://api.spotify.com/v1/artists/',
-            headers=headers, 
-            params=params,
+            headers=headers,
+            params={'ids': artist_ids},
             ).json()['artists']
     for i in range(len(artist_objs)):
         if len(artists_response[i]['genres']) == 0:
@@ -178,6 +196,7 @@ def add_artist_genres(headers, artist_objs):
         else:
             for genre in artists_response[i]['genres']:
                 process_artist_genre(genre, artist_objs[i])
+                #  print(artist_objs[i].name, genre)
 
         if console_logging:
             global artists_genre_processed 
@@ -221,6 +240,35 @@ def get_artists_in_genre(user, genre, max_songs):
 
 #  }}} get_artists_in_genre # 
 
+#  save_track_artists {{{ # 
+
+def save_track_artists(track_dict, artist_genre_queue, user_headers):
+    """ Update artist info before creating Track so that Track object can
+    reference Artist object.
+
+    :track_dict: response from Spotify API for track
+    :returns: list of Artist objects in Track
+
+    """
+    track_artists = []
+    for artist_dict in track_dict['artists']:
+        artist_obj, artist_created = Artist.objects.get_or_create(
+                id=artist_dict['id'],
+                name=artist_dict['name'],)
+        # only add/tally up artist genres if new
+        if artist_created:
+            artist_genre_queue.append(artist_obj)
+            if len(artist_genre_queue) == views.ARTIST_LIMIT:
+                add_artist_genres(user_headers, artist_genre_queue)
+                artist_genre_queue[:] = []
+        track_artists.append(artist_obj)
+
+    return track_artists
+
+#  }}} save_track_artists # 
+
+#  get_user_header {{{ # 
+
 def get_user_header(user_obj):
     """Returns the authorization string needed to make an API call.
 
@@ -246,3 +294,105 @@ def get_user_header(user_obj):
         user_obj.save()
 
     return {'Authorization': "Bearer " + user_obj.access_token}
+
+#  }}}  get_user_header # 
+
+#  save_history_obj  {{{ # 
+
+def save_history_obj (user, timestamp, track):
+    """Return (get/create) a History object with the specified parameters. Can't
+    use built-in get_or_create since don't know auto PK.
+
+    :user: User object History should be associated with
+    :timestamp: time at which song was listened to
+    :track: Track object for song
+    :returns: History object
+
+    """
+    history_query = History.objects.filter(user__exact=user,
+            timestamp__exact=timestamp)
+    if len(history_query) == 0:
+        history_obj = History.objects.create(user=user, timestamp=timestamp,
+                track=track)
+    else:
+        history_obj = history_query[0]
+
+    return history_obj
+
+#  }}} save_history_obj  # 
+
+#  get_next_history_row {{{ # 
+
+def get_next_history_row(csv_reader, headers, prev_info):
+    """Return formatted information from next row in history CSV file.
+
+    :csv_reader: TODO
+    :headers: 
+    :prev_info: history_obj_info of last row in case no more rows
+    :returns: (boolean of if last row, dict with information of next row) 
+
+    """
+    try:
+        row = next(csv_reader)
+        #  if Track.objects.filter(id__exact=row[1]).exists():
+        history_obj_info = {}
+        for i in range(len(headers)):
+            history_obj_info[headers[i]] = row[i]
+        return False, history_obj_info
+    except StopIteration:
+        return True, prev_info
+
+#  }}} get_next_history_row # 
+
+#  parse_history {{{ # 
+
+def parse_history(user_secret):
+    """Scans user's listening history and stores the information in a
+    database.
+
+    :user_secret: secret for User object who's library is being scanned.
+    :returns: None
+    """
+
+    user_obj = User.objects.get(secret=user_secret)
+    payload = {'limit': str(views.USER_TRACKS_LIMIT)}
+    last_time_played = History.objects.filter(user=user_obj).aggregate(Max('timestamp'))['timestamp__max']
+    if last_time_played is not None:
+        payload['after'] = last_time_played.isoformat()
+    artist_genre_queue = []
+    user_headers = get_user_header(user_obj)
+    history_response = requests.get(HISTORY_ENDPOINT,
+            headers=user_headers,
+            params=payload).json()['items']
+    #  pprint(history_response)
+
+    tracks_processed = 0
+
+    for track_dict in history_response:
+        # don't associate history track with User, not necessarily in their
+        # library
+        #  track_obj, track_created = save_track_obj(track_dict['track'],
+                #  track_artists, None)
+        track_artists = save_track_artists(track_dict['track'], artist_genre_queue,
+                user_headers)
+        track_obj, track_created = save_track_obj(track_dict['track'],
+                track_artists, None) 
+        history_obj = save_history_obj(user_obj, parse(track_dict['played_at']),
+                track_obj)
+        tracks_processed += 1
+
+        if console_logging:
+            print("Added history track #{}: {}".format(
+                tracks_processed, history_obj,))
+
+    if len(artist_genre_queue) > 0:
+        add_artist_genres(user_headers, artist_genre_queue)
+
+    # TODO: update track genres from History relation
+    #  update_track_genres(user_obj)
+
+    print("Scanned {} history tracks for user {} at {}.".format(
+        tracks_processed, user_obj.id, datetime.now()))
+
+#  }}} get_history # 
+

api/views.py

@@ -5,27 +5,39 @@ import random
 import requests
 import urllib
 import secrets
-import pprint
 import string
+import csv
 
 from django.shortcuts import render, redirect
 from django.http import JsonResponse
-from django.db.models import Count, Q
+from django.db.models import Count, Q, Max
+from django.core.files import File
 from .utils import *
 from .models import *
 from login.models import User
 from login.utils import get_user_context
+from dateutil.parser import parse
+from pprint import pprint
+from login.models import HistoryUpload
 
 #  }}} imports # 
 
+#  constants {{{ # 
+
 USER_TRACKS_LIMIT = 50
+TRACKS_LIMIT = 50
+HISTORY_LIMIT = 50
 ARTIST_LIMIT = 50
 FEATURES_LIMIT = 100
 #  ARTIST_LIMIT = 25
 #  FEATURES_LIMIT = 25
 TRACKS_TO_QUERY = 100
+TRACKS_ENDPOINT = 'https://api.spotify.com/v1/tracks'
 
 console_logging = True
+#  console_logging = False
+
+#  }}} constants # 
 
 #  parse_library {{{ # 
 
@@ -47,7 +59,8 @@ def parse_library(request, user_secret):
     # create this obj so loop runs at least once
     saved_tracks_response = [0]
     # scan until reach num_tracks or no tracks left if scanning entire library
-    while (TRACKS_TO_QUERY == 0 or offset < TRACKS_TO_QUERY) and len(saved_tracks_response) > 0:
+    while ((TRACKS_TO_QUERY == 0 or offset < TRACKS_TO_QUERY) and
+            len(saved_tracks_response) > 0):
         payload['offset'] = str(offset)
         saved_tracks_response = requests.get('https://api.spotify.com/v1/me/tracks', 
                 headers=user_headers,
@@ -57,25 +70,8 @@ def parse_library(request, user_secret):
             tracks_processed = 0
 
         for track_dict in saved_tracks_response:
-            #  add artists {{{ # 
-            
-            # update artist info before track so that Track object can reference
-            # Artist object
-            track_artists = []
-            for artist_dict in track_dict['track']['artists']:
-                artist_obj, artist_created = Artist.objects.get_or_create(
-                        id=artist_dict['id'],
-                        name=artist_dict['name'],)
-                # only add/tally up artist genres if new
-                if artist_created:
-                    artist_genre_queue.append(artist_obj)
-                    if len(artist_genre_queue) == ARTIST_LIMIT:
-                        add_artist_genres(user_headers, artist_genre_queue)
-                        artist_genre_queue = []
-                track_artists.append(artist_obj)
-            
-            #  }}} add artists # 
-            
+            track_artists = save_track_artists(track_dict['track'], artist_genre_queue,
+                    user_headers)
             track_obj, track_created = save_track_obj(track_dict['track'], 
                     track_artists, user_obj)
 
@@ -119,6 +115,21 @@ def parse_library(request, user_secret):
 
 #  }}} parse_library # 
 
+#  parse_history_request {{{ # 
+
+def parse_history_request(request, user_secret):
+    """Request function to call parse_history. Scans user's listening history
+    and stores the information in a database.
+
+    :user_secret: secret for User object who's library is being scanned.
+    :returns: redirects user to logged in page
+    """
+    parse_history(user_secret)
+    return render(request, 'graphs/logged_in.html',
+            get_user_context(User.objects.get(secret=user_secret)))
+
+#  }}} get_history # 
+
 #  get_artist_data {{{ # 
 
 def get_artist_data(request, user_secret):
@@ -134,7 +145,7 @@ def get_artist_data(request, user_secret):
         filter=Q(track__users=user)))
     processed_artist_counts = [{'name': artist.name, 'num_songs': artist.num_songs} 
             for artist in artist_counts]
-    pprint.pprint(processed_artist_counts)
+    pprint(processed_artist_counts)
     return JsonResponse(data=processed_artist_counts, safe=False) 
 
 #  }}} get_artist_data # 
@@ -181,7 +192,87 @@ def get_genre_data(request, user_secret):
         genre_dict['artists'] = get_artists_in_genre(user, genre_dict['genre'],
                 genre_dict['num_songs'])
     print("*** Genre Breakdown ***")
-    pprint.pprint(list(genre_counts))
+    pprint(list(genre_counts))
     return JsonResponse(data=list(genre_counts), safe=False) 
 
 #  }}} get_genre_data  # 
+
+#  import_history {{{ # 
+
+def import_history(request, upload_id):
+    """Import history for the user from the file they uploaded.
+
+    :upload_id: ID (PK) of the HistoryUpload entry
+    :returns: None
+    """
+
+    #  setup {{{ # 
+    
+    headers = ['timestamp', 'track_id']
+    upload_obj = HistoryUpload.objects.get(id=upload_id)
+    user_headers = get_user_header(upload_obj.user)
+
+    with upload_obj.document.open('r') as f:
+        csv_reader = csv.reader(f, delimiter=',')
+        rows_read = 0
+        history_obj_info_lst = []
+        artist_genre_queue = []
+
+        # skip header row
+        last_row, history_obj_info = get_next_history_row(csv_reader, headers,
+                {})
+        while not last_row:
+            last_row, history_obj_info = get_next_history_row(csv_reader,
+                    headers, history_obj_info)
+
+    #  }}} setup # 
+
+            history_obj_info_lst.append(history_obj_info)
+            # PU: refactor saving History object right away if Track obj already
+            # exists
+            # PU: refactor below?
+            rows_read += 1
+            if (rows_read % TRACKS_LIMIT == 0) or last_row:
+                #  get tracks_response {{{ # 
+                
+                track_ids_lst = [info['track_id'] for info in history_obj_info_lst]
+                #  print(len(track_ids_lst))
+                track_ids = ','.join(track_ids_lst)
+                payload = {'ids': track_ids}
+                tracks_response = requests.get(TRACKS_ENDPOINT,
+                        headers=user_headers,
+                        params=payload).json()['tracks']
+                responses_processed = 0
+                
+                #  }}} get tracks_response # 
+
+                for track_dict in tracks_response:
+                    # don't associate history track with User, not necessarily in their
+                    # library
+                    track_artists = save_track_artists(track_dict, artist_genre_queue,
+                            user_headers)
+                    track_obj, track_created = save_track_obj(track_dict,
+                            track_artists, None)
+
+                    timestamp = \
+                        parse(history_obj_info_lst[responses_processed]['timestamp'])
+                    history_obj = save_history_obj(upload_obj.user, timestamp,
+                            track_obj)
+
+                    if console_logging:
+                        print("Processed row #{}: {}".format(
+                            (rows_read - TRACKS_LIMIT) + responses_processed, history_obj,))
+                        responses_processed += 1
+
+                history_obj_info_lst = []
+
+                if len(artist_genre_queue) > 0:
+                    add_artist_genres(user_headers, artist_genre_queue)
+
+                # TODO: update track genres from History relation
+                #  update_track_genres(user_obj)
+
+    return redirect('graphs:display_history_table')
+
+#  }}} get_history # 
+

graphs/templates/graphs/genre_graph.html

@@ -21,10 +21,18 @@
 <body>
   <script src="https://d3js.org/d3.v5.min.js"></script>
   <script src="https://cdnjs.cloudflare.com/ajax/libs/randomcolor/0.5.2/randomColor.min.js"></script>
+
   {% load static %}
   <script src="{% static "graphs/scripts/genre_graph.js" %}"></script>
 
-  <svg width="1920" height="740"></svg>
+  <!-- <div class="row">
+    <div class="col-" id="genre-graph"></div>
+  </div> -->
+
+  <svg id="genre-graph" width="600" height="400"
+    viewBox="0 0 600 400"
+    perserveAspectRatio="xMinYMid">
+  </svg>
   <script>
     var svg = d3.select("svg"),
         margin = {top: 20, right: 20, bottom: 30, left: 40},
@@ -38,7 +46,7 @@
     var y = d3.scaleLinear()
         .rangeRound([height, 0]);
 
-    d3.json("{% url "api:get_genre_data" user_secret %}").then(create_genre_graph);
+	d3.json("{% url "api:get_genre_data" user_secret %}").then(create_genre_graph);
   </script>
 </body>
 </html>

graphs/templates/graphs/logged_in.html

@@ -16,5 +16,8 @@
     <a class="btn btn-primary" href="{% url "graphs:display_artist_graph" user_secret %}" role="button">
         Artists
     </a>
+    <a class="btn btn-primary" href="{% url "graphs:display_history_table" %}" role="button">
+        History
+    </a>
 </body>
 </html>

graphs/templates/graphs/user_history.html

@@ -0,0 +1,17 @@
+<!DOCTYPE html>
+{% load static %}
+{% load render_table export_url from django_tables2 %}
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <title>User History</title>
+    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css" integrity="sha384-Gn5384xqQ1aoWXA+058RXPxPg6fy4IWvTNh0E263XmFcJlSAwiGgFAW/dAiS6JXm" crossorigin="anonymous">
+    <link rel="stylesheet" href="{% static 'css/dark_bg.css' %}">
+</head>
+<body>
+	<h1>{{ user_id }}'s Listening History</h1>
+	<p> Found {{ total_history }} songs. </p>
+	<a class="btn btn-primary " href="{% export_url 'csv' %}" role="button">Export</a>
+	{% render_table user_history_table %}
+</body>
+</html>

graphs/urls.py

@@ -10,4 +10,5 @@ urlpatterns = [
         name='display_genre_graph'),
     path('audio_features/<str:user_secret>', display_features_graphs,
         name='display_audio_features'),
+    path('history/', HistoryList.as_view(), name='display_history_table'),
 ]

graphs/utils.py

@@ -1,3 +1,19 @@
+import django_tables2 as tables
+
+from pprint import pprint
+from login.models import User
+from api.models import History
+
+class HistoryTable(tables.Table):
+    class Meta:
+        model = History
+        template_name = 'django_tables2/bootstrap.html'
+
+    iso_timestamp = tables.Column(accessor='get_iso_timestamp', orderable=False)
+    track_id = tables.Column(accessor='track.id', orderable=False)
+    track_name = tables.Column(accessor='track.name', orderable=False)
+    artists = tables.Column(accessor='get_artists', orderable=False)
+
 def get_secret_context(user_secret):
     """Return user_secret in context for graph pages.
 

graphs/views.py

@@ -6,12 +6,17 @@ import requests
 import os
 import urllib
 import secrets
-import pprint
 import string
-from datetime import datetime
 
+from pprint import pprint
+from datetime import datetime
+from time import strftime
 from django.shortcuts import render, redirect
 from .utils import *
+from django_tables2 import RequestConfig, SingleTableView
+from django_tables2.export.views import ExportMixin
+from django_tables2.export import TableExport
+from api.models import History
 
 #  }}} imports # 
 
@@ -40,3 +45,48 @@ def display_features_graphs(request, user_secret):
     """
     return render(request, "graphs/features_graphs.html",
             get_secret_context(user_secret))
+
+#  HistoryList {{{ # 
+
+class HistoryList(ExportMixin, SingleTableView):
+    """Create table with list of song history."""
+    model = History
+    table_class = HistoryTable
+    context_table_name = 'user_history_table'
+    template_name = 'graphs/user_history.html'
+
+    #  overridden methods {{{ # 
+    
+    def get_table_kwargs(self):
+        return { 'exclude': ('id', 'user', 'track', 'track_id', 'iso_timestamp', ) }
+
+    def get_table_data(self):
+        return History.objects.filter(user__exact=self.request.session['user_id']).order_by('-timestamp')
+
+    def get_context_data(self, **kwargs):
+        context = super().get_context_data(**kwargs)
+        context['user_id'] = self.request.session['user_id']
+        context['total_history'] = self.get_table_data().count()
+        return context
+
+    def get_export_filename(self, export_format):
+        user_id = self.request.session['user_id']
+        #  timestamp = strftime("%m%d%Y-%H%M")
+        #  return "{}.{}".format("-".join((user_id, timestamp)), export_format)
+        return "{}.{}".format(user_id, export_format)
+
+    def create_export(self, export_format):
+        export_exclude = ('id', 'user', 'track', 'track_name', 'artists',
+                'timestamp', )
+        exporter = TableExport(
+            export_format=export_format,
+            table=self.get_table(exclude=export_exclude),
+            exclude_columns=self.exclude_columns,
+        )
+
+        return exporter.response(filename=self.get_export_filename(export_format))
+    
+    #  }}} overridden methods # 
+
+#  }}} HistoryList # 
+

login/forms.py

@@ -0,0 +1,8 @@
+from django import forms
+from .models import HistoryUpload
+
+class HistoryUploadForm(forms.ModelForm):
+    class Meta:
+        model = HistoryUpload
+        fields = ('user', 'document', )
+        widgets = { 'user': forms.HiddenInput() }

login/models.py

@@ -20,3 +20,8 @@ class User(models.Model):
 
     def __str__(self):
         return self.id
+
+class HistoryUpload(models.Model):
+    user = models.ForeignKey(User, on_delete=models.CASCADE)
+    document = models.FileField(upload_to='history/')
+    uploaded_at = models.DateTimeField(auto_now_add=True)

login/templates/login/index.html

@@ -20,7 +20,7 @@
     <div class="container">
       <div id="login">
         <h1>spotify-lib-vis</h1>
-        <a href="{% url 'login:spotify_login' %}" class="btn btn-primary">Login</a>
+        <a href="{% url 'login:spotify_login' %}" class="btn btn-primary" role="button">Login</a>
 		<a href="{% url 'login:admin_graphs' %}" class="btn btn-primary">Admin Graphs</a>
       </div>
     </div>

login/templates/login/scan.html

@@ -18,8 +18,16 @@
             <p class="browsehappy">You are using an <strong>outdated</strong> browser. Please <a href="#">upgrade your browser</a> to improve your experience.</p>
         <![endif]-->
         <h1>Logged in as {{ user_id }}</h1>
-		<a href="{% url "api:scan" user_secret %}" class="btn btn-primary">
+		<a href="{% url "api:scan_library" user_secret %}" class="btn btn-primary">
 			Scan Library
 		</a>
+		<a href="{% url "api:scan_history" user_secret %}" class="btn btn-primary">
+			Scan History
+		</a>
+		<form action="{% url 'login:upload_history' %}" method="post" enctype="multipart/form-data">
+			{% csrf_token %}
+			{{ form.as_p }}
+			<input class="btn btn-primary" type="submit" value="Import History">
+		</form>
     </body>
 </html>

login/urls.py

@@ -9,4 +9,5 @@ urlpatterns = [
     path('callback', callback, name='callback'),
     #  path('user/<str:user_secret>', user_home, name='user_home'),
     path('admin_graphs', admin_graphs, name='admin_graphs'),
+    path('upload_history', upload_history, name='upload_history'),
 ]

login/utils.py

@@ -1,4 +1,10 @@
+import string
+import random
+import requests
+import secrets
+
 from .models import User
+from .forms import HistoryUploadForm
 
 def get_user_context(user_obj):
     """Get context for rendering with User's ID and secret.
@@ -8,3 +14,70 @@ def get_user_context(user_obj):
 
     """
     return { 'user_id': user_obj.id, 'user_secret': user_obj.secret, }
+
+#  generate_random_string {{{ # 
+
+def generate_random_string(length):
+    """Generates a random string of a certain length
+
+    Args:
+        length: the desired length of the randomized string
+    
+    Returns:
+        A random string
+    """
+    all_chars = string.ascii_letters + string.digits
+    rand_str = "".join(random.choice(all_chars) for _ in range(length)) 
+    
+    return rand_str
+
+#  }}} generate_random_string # 
+
+#  create_user {{{ # 
+
+
+def create_user(refresh_token, access_token, access_expires_in):
+    """Create a User object based on information returned from Step 2 (callback
+    function) of auth flow.
+
+    :refresh_token: Used to renew access tokens.
+    :access_token: Used in Spotify API calls.
+    :access_expires_in: How long the access token last in seconds.
+
+    :returns: The newly created User object.
+
+    """
+    profile_response = requests.get('https://api.spotify.com/v1/me',
+            headers={'Authorization': "Bearer " + access_token}).json()
+    user_id = profile_response['id']
+
+    try:
+        user_obj = User.objects.get(id=user_id)
+    except User.DoesNotExist:
+        # Python docs recommends 32 bytes of randomness against brute
+        # force attacks
+        user_obj = User.objects.create(
+                id=user_id,
+                secret=secrets.token_urlsafe(32),
+                refresh_token=refresh_token,
+                access_token=access_token,
+                access_expires_in=access_expires_in,
+                )
+
+    return user_obj
+
+#  }}} create_user # 
+
+def get_scan_context(request):
+    """Get context for rendering scan page.
+
+    :request: 
+    :returns: Context with upload form and user info.
+
+    """
+    context = { 'user_id': request.session['user_id'], 
+            'user_secret': request.session['user_secret'], }
+    # set hidden user field to current user
+    context['form'] = HistoryUploadForm(initial=
+            { 'user': User.objects.get(id=request.session['user_id']) }) 
+    return context

login/views.py

@@ -1,13 +1,9 @@
 #  imports {{{ # 
 
 import math
-import random
-import requests
 import os
 import urllib
-import secrets
 import pprint
-import string
 from datetime import datetime
 
 from django.shortcuts import render, redirect
@@ -19,29 +15,10 @@ from .utils import *
 
 TIME_FORMAT = '%Y-%m-%d-%H-%M-%S'
 TRACKS_TO_QUERY = 200
-
-#  generate_random_string {{{ # 
-
-
-def generate_random_string(length):
-    """Generates a random string of a certain length
-
-    Args:
-        length: the desired length of the randomized string
-    
-    Returns:
-        A random string
-    """
-    all_chars = string.ascii_letters + string.digits
-    rand_str = "".join(random.choice(all_chars) for _ in range(length)) 
-    
-    return rand_str
-
-#  }}} generate_random_string # 
+AUTH_SCOPE = ['user-library-read', 'user-read-recently-played',]
 
 #  index {{{ # 
 
-# Create your views here.
 def index(request):
     return render(request, 'login/index.html')
 
@@ -62,7 +39,7 @@ def spotify_login(request):
         'response_type': 'code',
         'redirect_uri': 'http://localhost:8000/login/callback',
         'state': state_str,
-        'scope': 'user-library-read',
+        'scope': " ".join(AUTH_SCOPE),
         'show_dialog': False
     }
 
@@ -72,6 +49,8 @@ def spotify_login(request):
 
 #  }}} spotify_login # 
 
+#  callback {{{ # 
+
 def callback(request):
     """ Step 2 in authorization flow: Have your application request refresh and
     access tokens; Spotify returns access and refresh tokens. 
@@ -94,40 +73,13 @@ def callback(request):
     user_obj = create_user(token_response['refresh_token'],
             token_response['access_token'],
             token_response['expires_in']) 
+    
+    request.session['user_id'] = user_obj.id
+    request.session['user_secret'] = user_obj.secret
 
-    return render(request, 'login/scan.html', get_user_context(user_obj))
-    #  return redirect('user/' + user_obj.secret)
-
-
-def create_user(refresh_token, access_token, access_expires_in):
-    """Create a User object based on information returned from Step 2 (callback
-    function) of auth flow.
-
-    :refresh_token: Used to renew access tokens.
-    :access_token: Used in Spotify API calls.
-    :access_expires_in: How long the access token last in seconds.
-
-    :returns: The newly created User object.
-
-    """
-    profile_response = requests.get('https://api.spotify.com/v1/me',
-            headers={'Authorization': "Bearer " + access_token}).json()
-    user_id = profile_response['id']
+    return render(request, 'login/scan.html', get_scan_context(request))
 
-    try:
-        user_obj = User.objects.get(id=user_id)
-    except User.DoesNotExist:
-        # Python docs recommends 32 bytes of randomness against brute
-        # force attacks
-        user_obj = User.objects.create(
-                id=user_id,
-                secret=secrets.token_urlsafe(32),
-                refresh_token=refresh_token,
-                access_token=access_token,
-                access_expires_in=access_expires_in,
-                )
-
-    return user_obj
+#  }}} callback # 
 
 #  admin_graphs {{{ # 
 
@@ -136,7 +88,21 @@ def admin_graphs(request):
     """
     user_id = "polarbier"
     #  user_id = "chrisshyi13"
+
+    request.session['user_id'] = user_id
+    #  request.session['user_secret'] = user_obj.secret
+    request.session['user_secret'] = User.objects.get(id=user_id).secret
     user_obj = User.objects.get(id=user_id)
     return render(request, 'graphs/logged_in.html', get_user_context(user_obj))
 
 #  }}} admin_graphs  # 
+
+def upload_history(request):
+    if request.method == 'POST':
+        form = HistoryUploadForm(request.POST, request.FILES)
+        if form.is_valid():
+            upload_obj = form.save()
+            #  return redirect('graphs:display_history_table')
+            return redirect('api:import_history', upload_id=upload_obj.id)
+
+    return render(request, 'login/scan.html', get_scan_context(request))

requirements.txt

@@ -2,15 +2,19 @@ astroid==1.6.3
 certifi==2018.4.16
 chardet==3.0.4
 Django==2.0.5
+django-filter==2.0
 djangorestframework==3.8.2
+django-tables2==2.0.2
 idna==2.6
 isort==4.3.4
 lazy-object-proxy==1.3.1
 mccabe==0.6.1
 psycopg2-binary==2.7.4
 pylint==1.8.4
+python-dateutil==2.7.5
 pytz==2018.4
 requests==2.18.4
 six==1.11.0
+tablib==0.12.1
 urllib3==1.22
 wrapt==1.10.11

spotifyvis/settings.py

@@ -40,6 +40,8 @@ INSTALLED_APPS = [
     'login.apps.LoginConfig',
     'api.apps.ApiConfig',
     'graphs.apps.GraphsConfig',
+    'django_tables2',
+    'django_filters',
 ]
 
 MIDDLEWARE = [
@@ -128,3 +130,6 @@ STATIC_URL = '/static/'
 STATICFILES_DIRS = [
     os.path.join(BASE_DIR, "static"),
 ]
+
+MEDIA_URL = '/media/'
+MEDIA_ROOT = os.path.join(BASE_DIR, 'media')

static/css/dark_bg.css

@@ -1,8 +1,15 @@
 body {
-background-color: #1e1e1e;
+  /* dark grey */
+  background-color: #1e1e1e;
 }
 
-h1,p {
-color: grey;
+h1,th {
+  /* light grey */
+  color: #cccccc;
+}
+
+p,td {
+  /* light-dark grey */
+  color: #b2b2b2;
 }
 

update-history.sh

@@ -0,0 +1 @@
+/home/kevin/coding/spotify-lib-vis/bin/python /home/kevin/coding/spotify-lib-vis/src/manage.py update-history >> /home/kevin/coding/spotify-lib-vis/src/api/management/commands/update-history.log