feat: Mark as solved api for practices

account/views/profile.py

@@ -8,7 +8,7 @@
 
 from account.serializers import ProfileSerializer, EducationSerializer, WorkExperienceSerializer, UserSerializer, \
     PublicProfileSerializer
-from practice.models import Track, Practice, Subdomain
+from practice.models import Track, Practice, Subdomain, PracticeSolution
 from account.models import Profile, WorkExperience, Education
 from practice.serializers import TrackSerializer, PracticeSerializer, PracticeFilterSerializer
 
@@ -67,7 +67,19 @@ class SinglePracticeView(APIView):
     def get(self, request, track_slug, practice_slug):
         practice = Practice.objects.get(slug=practice_slug)
         serializer = PracticeSerializer(practice)
-        return Response(serializer.data)
+        solved = PracticeSolution.objects.filter(practice=practice).filter(user=request.user).exists()
+        data = {'solved': solved}
+        data.update(serializer.data)
+        return Response(data)
+
+    def post(self, request, track_slug, practice_slug):
+        practice = Practice.objects.get(slug=practice_slug)
+        user = request.user
+        solution = PracticeSolution.objects.get_or_create(user_id=user.id, practice_id=practice.id)
+        msg = {
+            'message': 'Solution submitted successfully'
+        }
+        return Response(msg)
 
 
 class JobsView(APIView):

practice/migrations/0002_auto_20201018_1229.py

@@ -0,0 +1,35 @@
+# Generated by Django 3.0.7 on 2020-10-18 12:29
+
+from django.conf import settings
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+        ('practice', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='practice',
+            name='subdomain',
+            field=models.ManyToManyField(related_name='subdomain', to='practice.Subdomain'),
+        ),
+        migrations.CreateModel(
+            name='PracticeSolution',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('timestamp', models.DateTimeField(auto_now_add=True)),
+                ('practice', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='practice.Practice')),
+                ('user', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL)),
+            ],
+        ),
+        migrations.AddField(
+            model_name='practice',
+            name='solutions',
+            field=models.ManyToManyField(related_name='solutions', through='practice.PracticeSolution', to=settings.AUTH_USER_MODEL),
+        ),
+    ]

practice/models.py

@@ -35,12 +35,19 @@ class Practice(models.Model):
     body = RichTextField()
     difficulty = models.IntegerField()
     timestamp = models.DateTimeField(auto_now_add=True)
-    subdomain = models.ManyToManyField(Subdomain)
+    subdomain = models.ManyToManyField(Subdomain, related_name='subdomain')
+    solutions = models.ManyToManyField(User, through='PracticeSolution', related_name='solutions')
 
     def __str__(self):
         return self.title
 
 
+class PracticeSolution(models.Model):
+    user = models.ForeignKey(User, on_delete=models.CASCADE)
+    practice = models.ForeignKey(Practice, on_delete=models.CASCADE)
+    timestamp = models.DateTimeField(auto_now_add=True)
+
+
 def generate_slug_from_title(sender, instance, *args, **kwargs):
     if not instance.slug:
         instance.slug = unique_slug_generator(instance, for_=instance.title)

practice/serializers.py

@@ -1,6 +1,6 @@
 from rest_framework import serializers
 
-from practice.models import Track, Practice
+from practice.models import Track, Practice, PracticeSolution
 
 
 class TrackSerializer(serializers.ModelSerializer):
@@ -12,10 +12,16 @@ class Meta:
 class PracticeSerializer(serializers.ModelSerializer):
     class Meta:
         model = Practice
-        fields = '__all__'
+        exclude = ('solutions', )
 
 
 class PracticeFilterSerializer(serializers.Serializer):
     track = serializers.IntegerField()
     difficulty = serializers.ListField(child=serializers.IntegerField(), allow_empty=True, allow_null=True)
-    subdomain = serializers.ListField(child=serializers.IntegerField(), allow_empty=True, allow_null=True)
+    subdomain = serializers.ListField(child=serializers.IntegerField(), allow_empty=True, allow_null=True)
+
+
+class PracticeSolutionSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = PracticeSolution
+        fields = '__all__'