Start having static stats table

backend/metagenedb/api/catalog/urls.py

@@ -57,6 +57,7 @@ api_router.register(r'kegg-orthologies', views.KeggOrthologyViewSet, basename='k
 api_router.register(r'eggnogs', views.EggNOGViewSet, basename='eggnogs')
 api_router.register(r'genes', views.GeneViewSet, basename='genes')
 api_router.register(r'taxonomy', views.TaxonomyViewSet, basename='taxonomy')
+api_router.register(r'statistics', views.StatisticsViewSet, basename='statistics')
 
 
 urlpatterns = [

backend/metagenedb/api/catalog/views/__init__.py

 from .function import EggNOGViewSet, KeggOrthologyViewSet, FunctionViewSet  # noqa
 from .gene import GeneViewSet  # noqa
+from .statistics import StatisticsViewSet  # noqa
 from .taxonomy import TaxonomyViewSet  # noqa

backend/metagenedb/api/catalog/views/statistics.py

+from django.shortcuts import get_object_or_404
+from rest_framework import viewsets
+from rest_framework.response import Response
+
+from metagenedb.apps.catalog.models import Statistics
+from metagenedb.apps.catalog.serializers import StatisticsSerializer
+
+
+class StatisticsViewSet(viewsets.ViewSet):
+    """
+    A simple ViewSet for listing or retrieving statistics.
+    """
+    lookup_field = 'stats_id'
+
+    def list(self, request):
+        queryset = Statistics.objects.all()
+        serializer = StatisticsSerializer(queryset, many=True)
+        return Response(serializer.data)
+
+    def retrieve(self, request, stats_id=None):
+        queryset = Statistics.objects.all()
+        stats = get_object_or_404(queryset, stats_id=stats_id)
+        serializer = StatisticsSerializer(stats)
+        return Response(serializer.data)

backend/metagenedb/apps/catalog/migrations/0020_statistics.py

+# Generated by Django 3.0 on 2019-12-16 10:59
+
+import django.contrib.postgres.fields.jsonb
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('catalog', '0019_get_back_original_name'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Statistics',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('stats_id', models.SlugField(max_length=400, unique=True)),
+                ('body', django.contrib.postgres.fields.jsonb.JSONField()),
+            ],
+        ),
+    ]

backend/metagenedb/apps/catalog/models/__init__.py

 from .function import EggNOG, EggNogFunctionalCategory, Function, KeggOrthology  # noqa
 from .gene import Gene, GeneFunction  # noqa
+from .statistics import Statistics  # noqa
 from .taxonomy import Taxonomy  # noqa

backend/metagenedb/apps/catalog/models/statistics.py

+from django.db import models
+from django.contrib.postgres.fields import JSONField
+
+
+class Statistics(models.Model):
+    """
+    Model for the different static statistics that can be computed in a daily manner about the catalog
+    """
+
+    stats_id = models.SlugField(max_length=400, db_index=True, unique=True)
+    body = JSONField()

backend/metagenedb/apps/catalog/operations/statistics.py

+from metagenedb.apps.catalog.models import Gene
+
+
+class GeneStatistics:
+    model = Gene
+
+    @staticmethod
+    def count_has_function():
+        return GeneStatistics.model.objects.filter(functions__isnull=False).distinct().count()
+
+    @staticmethod
+    def count_has_taxonomy():
+        return GeneStatistics.model.objects.filter(taxonomy__isnull=False).count()

backend/metagenedb/apps/catalog/serializers/__init__.py

 from .function import EggNOGSerializer, FunctionSerializer, KeggOrthologySerializer  # noqa
 from .gene import GeneSerializer  # noqa
+from .statistics import StatisticsSerializer  # noqa
 from .taxonomy import TaxonomySerializer  # noqa

backend/metagenedb/apps/catalog/serializers/statistics.py

+from rest_framework import serializers
+from metagenedb.apps.catalog.models import Statistics
+
+
+class StatisticsSerializer(serializers.ModelSerializer):
+
+    class Meta:
+        model = Statistics
+        fields = ('stats_id', 'body')

frontend/src/views/Stats.vue

@@ -169,10 +169,7 @@ export default {
       });
     },
     getGeneCountsFunctions() {
-      axios.get('/api/catalog/v1/genes', {
-        params: {
-          no_functions: false,
-        },
+      axios.get('/api/catalog/v1/statistics/genestatistics-count-has-function', {
         headers: {
           Accept: 'application/json',
         },
@@ -181,7 +178,7 @@ export default {
         this.geneCountFunctions = {
           class: "secondary",
           icon: "bar_chart",
-          text: response.data.count,
+          text: response.data.body.count,
           title: "Functions annotation",
         };
       })
@@ -260,9 +257,6 @@ export default {
     doughnut: Doughnut,
   },
   watch: {
-  	// taxLevel(val) {
-    //   this.getTaxoCounts();
-    // },
     stopAt(val) {
       this.getGeneLength();
     },