user association 1

website/snippets/models.py

@@ -1,8 +1,12 @@
 from django.db import models
 
+# pygments
+
+from pygments import highlight
 from pygments.lexers import get_all_lexers
 from pygments.styles import get_all_styles
-
+from pygments.lexers import get_lexer_by_name
+from pygments.formatters.html import HtmlFormatter
 
 LEXERS = [item for item in get_all_lexers() if item[1]]
 LANGUAGE_CHOICES = sorted([(item[1][0], item[0]) for item in LEXERS])
@@ -16,6 +20,20 @@ class Snippet(models.Model):
     linenos = models.BooleanField(default=False)
     language = models.CharField(choices=LANGUAGE_CHOICES, default='python', max_length=100)
     style = models.CharField(choices=STYLE_CHOICES, default='friendly', max_length=100)
-
+    owner = models.ForeignKey('auth.user', related_name='snippets', on_delete=models.CASCADE)
+    highlighted = models.TextField
     class Meta:
-        ordering = ['created']
+        ordering = ['created']
+
+    def save(self, *args, **kwargs):
+        """
+        Use the `pygments` library to create a highlighted HTML
+        representation of the code snippet.
+        """
+        lexer = get_lexer_by_name(self.language)
+        linenos = 'table' if self.linenos else False
+        options = {'title': self.title} if self.title else {}
+        formatter = HtmlFormatter(style=self.style, linenos=linenos,
+                                full=True, **options)
+        self.highlighted = highlight(self.code, lexer, formatter)
+        super().save(*args, **kwargs)

website/snippets/serializers.py

@@ -1,7 +1,16 @@
+from django.contrib.auth.models import User
+
 from rest_framework import serializers
 from .models import Snippet, LANGUAGE_CHOICES, STYLE_CHOICES
 
 class SnippetSerializer(serializers.ModelSerializer):
     class Meta:
         model = Snippet
-        fields = ['id', 'title', 'code', 'linenos', 'language', 'style']
+        fields = ['id', 'title', 'code', 'linenos', 'language', 'style']
+
+class UserSerializer(serializers.ModelSerializer):
+    snippets = serializers.PrimaryKeyRelatedField(many=True, queryset=Snippet.objects.all())
+
+    class Meta:
+        model = User
+        fields = ['id', 'username', 'snippets']

website/snippets/urls.py

@@ -5,6 +5,8 @@ from . import views
 urlpatterns = [
     path('snippets/', views.SnippetList.as_view()),
     path('snippets/<int:pk>/', views.SnippetDetail.as_view()),
+    path('users/', views.UserList.as_view()),
+    path('users/<int:pk>/', views.UserDetail.as_view()),
 ]
 
 urlpatterns = format_suffix_patterns(urlpatterns)

website/snippets/views.py

@@ -1,5 +1,7 @@
+from django.contrib.auth.models import User
+
 from .models import Snippet
-from .serializers import SnippetSerializer
+from .serializers import SnippetSerializer, UserSerializer
 from rest_framework import generics
 
 class SnippetList(generics.ListCreateAPIView):
@@ -9,4 +11,13 @@ class SnippetList(generics.ListCreateAPIView):
 
 class SnippetDetail(generics.RetrieveUpdateDestroyAPIView):
     queryset = Snippet.objects.all()
-    serializer_class = SnippetSerializer
+    serializer_class = SnippetSerializer
+
+class UserList(generics.ListAPIView):
+    queryset = User.objects.all()
+    serializer_class = UserSerializer
+
+
+class UserDetail(generics.RetrieveAPIView):
+    queryset = User.objects.all()
+    serializer_class = UserSerializer