Fix genre graph not displaying

- take top genres/artists for graphs
- improve graphs' appearance
- update pip packages

api/utils.py

@@ -222,9 +222,13 @@ def get_artists_in_genre(user, genre):
 
     processed_artist_counts = {}
     for artist in user_artists:
-        processed_artist_counts[artist.name] = round(artist.track_set
+        #  TODO: figure out collab problem # 
-                                                     .filter(genre=genre_obj, users=user)
+        #  artist_count = math.floor(artist.track_set.filter(genre=genre_obj,
-                                                     .count() * track_count / total_artist_counts, 2)
+            #  users=user).count() * track_count / total_artist_counts)
+        artist_count = artist.track_set.filter(genre=genre_obj,
+                users=user).count()
+        if artist_count > 0:
+            processed_artist_counts[artist.name] = artist_count
     return processed_artist_counts
 
 #  }}} get_artists_in_genre # 

api/views.py

@@ -141,7 +141,7 @@ def get_artist_data(request, user_secret):
     artist_counts = Artist.objects.annotate(num_songs=Count('track',
         filter=Q(track__users=user)))
     processed_artist_counts = [{'name': artist.name, 'num_songs': artist.num_songs} 
-            for artist in artist_counts]
+            for artist in artist_counts if artist.num_songs > 1]
     if CONSOLE_LOGGING:
         pprint(processed_artist_counts)
     return JsonResponse(data=processed_artist_counts, safe=False) 
@@ -175,7 +175,6 @@ def get_audio_feature_data(request, audio_feature, user_secret):
 
 #  get_genre_data {{{ # 
 
-
 def get_genre_data(request, user_secret):
     """Return genre data needed to create the graph
     TODO
@@ -187,27 +186,17 @@ def get_genre_data(request, user_secret):
                     # annotates each genre and not each Track, due to the earlier values() call
                     .annotate(num_songs=Count('genre'))
                     )
+    genre_counts = [genre_dict for genre_dict in genre_counts if
+            genre_dict['num_songs'] > 3]
+
     # genre_counts is a QuerySet with the format
-    # [{'genre': 'classical', 'num_songs': 100}, {'genre': 'pop', 'num_songs': 50}...]
+    '''
+    Now genre_counts has the format [ {'genre': 'classical', 'num_songs': 100,
+    'artists': { 'Helene Grimaud': 40.5, 'Beethoven': 31.2, ...  }},... ]
+    '''
     for genre_dict in genre_counts:
         genre_dict['artists'] = get_artists_in_genre(user, genre_dict['genre'])
-    '''
+
-    Now genre_counts has the format
-    [
-    {'genre': 'classical',
-     'num_songs': 100,
-     'artists': {
-                'Helene Grimaud': 40.5,
-                'Beethoven': 31.2,
-                'Mozart': 22...
-                }
-    },
-    {'genre': 'pop',
-     'num_songs': 150,
-     'artists': {...}
-    },...
-    ]
-    '''
     if CONSOLE_LOGGING:
         print("*** Genre Breakdown ***")
         pprint(list(genre_counts))

graphs/static/graphs/scripts/genre_graph.js

@@ -25,7 +25,7 @@ function create_genre_graph(data) {
   // y.domain([0, d3.max(data, function(d) { return d.num_songs; }) * 1.25]).nice();
   y.domain([0, d3.max(data, function(d) {
     return d.num_songs; // returns the maximum number of songs in the genre
-    })]).nice();
+  }) * 1.6]).nice();
   
   // }}} domains  //
 
@@ -37,6 +37,9 @@ function create_genre_graph(data) {
   let colorScale = d3.scaleOrdinal().range(randomColor({
     count: max_artists,
     luminosity: 'light',
+    // hue: '#3399FF',
+    // hue: '#00ced1',
+    hue: '#0099CC',
   }));
   
   // }}} setup bar colors //
@@ -72,8 +75,8 @@ function create_genre_graph(data) {
       .attr("height", d => y(d.data[0]) - y(d.data[1]))
       .attr("width", x.bandwidth())
       .attr('fill', (d, i) => colorScale(i))
-            // keep 3 significant figures in the song count label
+      .style('font-size', '1.5em')
-            .append('title').text(d => d.key + ': ' + (d.data[1] - d.data[0]).toPrecision(3));
+      .append('title').text(d => d.key + ': ' + (d.data[1] - d.data[0]).toPrecision(1));
     
     // }}} add bars //
 
@@ -84,6 +87,7 @@ function create_genre_graph(data) {
       .attr("transform", "translate(0," + height + ")")
       .call(d3.axisBottom(x))
       .selectAll(".tick text")
+      .style('font-size', '1.5em')
       .call(wrap, x.bandwidth());
     
     // }}} x-axis //
@@ -97,13 +101,26 @@ function create_genre_graph(data) {
       .attr("x", 2)
       .attr("y", y(y.ticks().pop()) + 0.5)
       .attr("dy", "0.32em")
-            .attr("fill", "#000")
+      .attr("fill", "white")
-            .attr("font-weight", "bold")
+      .style('font-size', '2em')
       .attr("text-anchor", "start")
       .text("Songs");
     
     // }}} y-axis //
 
+    // title {{{ //
+    
+    g.append("text")
+      .attr('x', (width / 2))
+      .attr('y', (margin.top / 2))
+      .attr('fill', "white")
+      .attr('text-anchor', 'middle')
+      .attr("font-weight", "bold")
+      .style('font-size', '2em')
+      .text('Genre Graph (With Artists)');
+    
+    // }}} title //
+
   }
 }
 

graphs/templates/graphs/genre_graph.html

@@ -14,13 +14,14 @@
 	<title>Genre Graph</title>
 	<meta name="description" content="">
 	<meta name="viewport" content="width=device-width, initial-scale=1">
-	<!-- <link rel="stylesheet" href="{% sass_src 'scss/custom.scss' %}"> -->
+	<link rel="stylesheet" href="{% sass_src 'scss/custom.scss' %}">
 </head>
 
 <!-- }}} header -->
 
 <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>
@@ -35,9 +36,10 @@
     </div>
   </div>
   </div>
-        <svg id="genre-graph" width="600" height="400"
+    {% comment %} <svg id="genre-graph" width="600" height="400"
       viewBox="0 0 600 400"
-          perserveAspectRatio="xMinYMid">
+      perserveAspectRatio="xMinYMid"> {% endcomment %}
+    <svg id="genre-graph" width="1500" height="900">
     </svg>
   <script>
   let svg = d3.select("svg"),

requirements.txt

@@ -1,40 +1,37 @@
-astroid==2.0.4
+astroid==2.2.4
-certifi==2018.10.15
+certifi==2018.11.29
 chardet==3.0.4
-Django==2.1.3
+defusedxml==0.5.0
-django-appconf==1.0.2
+Django==2.1.7
+django-appconf==1.0.3
 django-compressor==2.2
 django-crispy-forms==1.7.2
-django-filter==2.0.0
+django-filter==2.1.0
 django-sass-processor==0.7.2
-django-tables2==2.0.3
+django-tables2==2.0.5
-djangorestframework==3.9.0
+djangorestframework==3.9.2
-docopt==0.6.2
 et-xmlfile==1.0.1
-idna==2.7
+idna==2.8
-isort==4.3.4
+isort==4.3.12
 jdcal==1.4
 lazy-object-proxy==1.3.1
-libsass==0.16.0
+libsass==0.17.0
 mccabe==0.6.1
-odfpy==1.3.6
+odfpy==1.4.0
-openpyxl==2.5.10
+openpyxl==2.6.1
-pkg-resources==0.0.0
+psycopg2-binary==2.7.7
-psycopg2==2.7.6.1
+pylint==2.3.1
-psycopg2-binary==2.7.6.1
+python-dateutil==2.8.0
-pylint==2.1.1
+pytz==2018.9
-python-dateutil==2.7.5
-pytz==2018.7
 PyYAML==3.13
 rcssmin==1.0.6
-requests==2.20.1
+requests==2.21.0
-rjsmin==1.0.12
+rjsmin==1.1.0
-six==1.11.0
+six==1.12.0
 tablib==0.12.1
-typed-ast==1.1.0
+typed-ast==1.3.1
 unicodecsv==0.14.1
 urllib3==1.24.1
-wrapt==1.10.11
+wrapt==1.11.1
-xlrd==1.1.0
+xlrd==1.2.0
 xlwt==1.3.0
-yarg==0.1.9

update-history.sh

@@ -1 +1,3 @@
+#!/bin/bash
+
 /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