dataviz: add support for including bijoe graphs (#12744)

combo/apps/dataviz/forms.py

@@ -21,10 +21,29 @@ from django import forms
 from django.conf import settings
 from django.core.exceptions import ValidationError
 
-from .models import BaseCubesChart
+from combo.utils import requests
+
+from .models import BaseCubesChart, ChartCell
 from .utils import get_cubes, get_cube, get_drilldown
 
 
+class ChartForm(forms.ModelForm):
+    class Meta:
+        model = ChartCell
+        fields = ('title', 'url')
+
+    def __init__(self, *args, **kwargs):
+        super(ChartForm, self).__init__(*args, **kwargs)
+        available_charts = []
+        for site_key, site_dict in settings.KNOWN_SERVICES.get('bijoe').items():
+            result = requests.get('/visualization/json/',
+                    remote_service=site_dict, without_user=True,
+                    headers={'accept': 'application/json'}).json()
+            available_charts.extend([(x['path'], x['name']) for x in result])
+        available_charts.sort(key=lambda x: x[1])
+        self.fields['url'].widget = forms.Select(choices=available_charts)
+
+
 class CubesBarChartForm(forms.ModelForm):
     EMPTY = [(u'', _('None'))]
 

combo/apps/dataviz/migrations/0006_chartcell.py

@@ -0,0 +1,35 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('data', '0020_auto_20160928_1152'),
+        ('auth', '0006_require_contenttypes_0002'),
+        ('dataviz', '0005_auto_20160928_1152'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='ChartCell',
+            fields=[
+                ('id', models.AutoField(verbose_name='ID', serialize=False, auto_created=True, primary_key=True)),
+                ('placeholder', models.CharField(max_length=20)),
+                ('order', models.PositiveIntegerField()),
+                ('slug', models.SlugField(verbose_name='Slug', blank=True)),
+                ('extra_css_class', models.CharField(max_length=100, verbose_name='Extra classes for CSS styling', blank=True)),
+                ('public', models.BooleanField(default=True, verbose_name='Public')),
+                ('restricted_to_unlogged', models.BooleanField(default=False, verbose_name='Restrict to unlogged users')),
+                ('title', models.CharField(max_length=150, null=True, verbose_name='Title', blank=True)),
+                ('url', models.URLField(max_length=150, null=True, verbose_name='URL', blank=True)),
+                ('groups', models.ManyToManyField(to='auth.Group', verbose_name='Groups', blank=True)),
+                ('page', models.ForeignKey(to='data.Page')),
+            ],
+            options={
+                'verbose_name': 'Chart',
+            },
+        ),
+    ]

combo/apps/dataviz/models.py

@@ -61,6 +61,35 @@ class Gauge(CellBase):
                 }
 
 
+@register_cell_class
+class ChartCell(CellBase):
+    template_name = 'combo/dataviz-chart.html'
+
+    title = models.CharField(_('Title'), max_length=150, blank=True, null=True)
+    url = models.URLField(_('URL'), max_length=150, blank=True, null=True)
+
+    class Meta:
+        verbose_name = _('Chart')
+
+    @classmethod
+    def is_enabled(self):
+        return hasattr(settings, 'KNOWN_SERVICES') and settings.KNOWN_SERVICES.get('bijoe')
+
+    def get_default_form_class(self):
+        from .forms import ChartForm
+        return ChartForm
+
+    def get_additional_label(self):
+        if self.title:
+            return self.title
+        return ''
+
+    def get_cell_extra_context(self, context):
+        context = super(ChartCell, self).get_cell_extra_context(context)
+        context['title'] = self.title
+        context['url'] = self.url
+        return context
+
 class BaseCubesChart(CellBase):
     title = models.CharField(_('Title'), max_length=150, blank=True, null=True)
     url = models.URLField(_('URL'), max_length=150, blank=True, null=True)

combo/apps/dataviz/templates/combo/dataviz-chart.html

@@ -0,0 +1,3 @@
+{% if title %}<h2>{{title}}</h2>{% endif %}
+<iframe src="{{url}}" frameborder="0" width="100%" height="400px">
+</iframe>