219 lines
7.2 KiB
Python
219 lines
7.2 KiB
Python
# -*- encoding: utf-8 -*-
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# bijoe - BI dashboard
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# Copyright (C) 2015 Entr'ouvert
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#
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# This program is free software: you can redistribute it and/or modify it
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# under the terms of the GNU Affero General Public License as published
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# by the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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from django import forms
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from django.core.exceptions import ValidationError
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from django.utils.translation import ugettext as _
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from django.utils.safestring import mark_safe
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from django.forms import ModelForm, TextInput
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from django.conf import settings
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try:
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from django_select2.forms import Select2MultipleWidget
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def build_select2_multiple_widget():
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return Select2MultipleWidget()
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except ImportError:
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from django_select2.widgets import Select2MultipleWidget
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def build_select2_multiple_widget():
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return Select2MultipleWidget(select2_options={'width': '100%'})
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from . import models
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class VisualizationForm(ModelForm):
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class Meta:
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model = models.Visualization
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exclude = ('parameters',)
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widgets = {
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'name': TextInput,
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}
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DATE_RANGES = [
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{
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'value': '3_last_months',
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'label': _('3 last months'),
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'start': u"les 3 derniers mois",
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'end': u"maintenant",
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},
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{
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'value': 'this_year',
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'label': _('this year'),
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'start': u"cette année",
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'end': u"l\'année prochaine",
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},
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{
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'value': 'last_year',
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'label': _('last year'),
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'start': u'l\'année dernière',
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'end': u'cette année',
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},
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{
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'value': 'this_quarter',
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'label': _('this quarter'),
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'start': u'ce trimestre',
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'end': "le prochain trimestre",
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},
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{
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'value': 'last_quarter',
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'label': _('last quarter'),
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'start': u'le dernier trimestre',
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'end': u'ce trimestre',
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},
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{
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'value': 'since_1jan_last_year',
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'label': _('since 1st january last year'),
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'start': u'l\'année dernière',
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'end': u'maintenant',
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},
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]
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def get_date_range_choices():
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return [('', '---')] + [(r['value'], r['label'])
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for r in getattr(settings, 'BIJOE_DATE_RANGES', DATE_RANGES)]
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class DateRangeWidget(forms.MultiWidget):
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def __init__(self, attrs=None):
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attrs = attrs.copy() if attrs else {}
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attrs.update({'type': 'date', 'autocomplete': 'off'})
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attrs1 = attrs.copy()
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attrs1['placeholder'] = _(u'start')
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attrs2 = attrs.copy()
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attrs2['placeholder'] = _(u'end')
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widgets = (
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forms.DateInput(attrs=attrs1),
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forms.DateInput(attrs=attrs2),
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forms.Select(choices=get_date_range_choices()),
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)
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super(DateRangeWidget, self).__init__(widgets, attrs=attrs)
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def decompress(self, value):
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if not value:
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return None, None, None
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for date_range in DATE_RANGES:
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if (value['start'], value['end']) == (date_range['start'], date_range['end']):
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return None, None, date_range['value']
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return value['start'], value['end'], None
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def render(self, name, value, attrs=None):
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output = super(DateRangeWidget, self).render(name, value, attrs=attrs)
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_id = self.build_attrs(attrs).get('id', None)
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if _id:
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output += mark_safe("<script>$(function () { bijoe_date_range('#%s'); });</script>" %
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_id)
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return output
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class Media:
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js = ('js/bijoe.daterange.js',)
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class DateRangeField(forms.MultiValueField):
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widget = DateRangeWidget
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def __init__(self, *args, **kwargs):
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# Or define a different message for each field.
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fields = (
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forms.DateField(required=False),
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forms.DateField(required=False),
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forms.ChoiceField(choices=get_date_range_choices(), required=False)
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)
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super(DateRangeField, self).__init__(fields=fields, require_all_fields=False, *args,
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**kwargs)
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def compress(self, values):
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if not values:
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return None
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named_range = values[2]
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if not named_range:
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return {'start': values[0], 'end': values[1]}
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for r in DATE_RANGES:
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if r['value'] == named_range:
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return {'start': r['start'], 'end': r['end']}
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return {'start': None, 'end': None}
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class CubeForm(forms.Form):
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representation = forms.ChoiceField(
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label=_(u'Presentation'),
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choices=[('table', _('table')),
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('graphical', _('chart'))],
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widget=forms.RadioSelect())
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def __init__(self, *args, **kwargs):
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self.cube = cube = kwargs.pop('cube')
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self.base_fields = self.base_fields.copy()
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dimension_choices = [('', '')] + [
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(dimension.name, dimension.label)
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for dimension in cube.dimensions if dimension.type not in ('datetime', 'date')]
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# loop
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self.base_fields['loop'] = forms.ChoiceField(
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label=_('Loop by'),
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choices=dimension_choices,
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required=False)
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# filters
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for dimension in cube.dimensions:
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if not dimension.filter:
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continue
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field_name = 'filter__%s' % dimension.name
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if dimension.type == 'date':
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self.base_fields[field_name] = DateRangeField(
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label=dimension.label.capitalize(), required=False)
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else:
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self.base_fields[field_name] = forms.MultipleChoiceField(
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label=dimension.label.capitalize(),
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choices=dimension.members,
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required=False,
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widget=build_select2_multiple_widget())
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# group by
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self.base_fields['drilldown_x'] = forms.ChoiceField(
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label=_('Group by horizontaly'),
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choices=dimension_choices,
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required=False)
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self.base_fields['drilldown_y'] = forms.ChoiceField(
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label=_('Group by vertically'),
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choices=dimension_choices,
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required=False)
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# measures
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choices = [(measure.name, measure.label)
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for measure in cube.measures if measure.type != 'point']
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self.base_fields['measure'] = forms.ChoiceField(
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label=_('Measure'), choices=choices)
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super(CubeForm, self).__init__(*args, **kwargs)
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def clean(self):
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cleaned_data = super(CubeForm, self).clean()
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loop = cleaned_data.get('loop')
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drilldown_x = cleaned_data.get('drilldown_x')
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drilldown_y = cleaned_data.get('drilldown_y')
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if loop and (loop == drilldown_x or loop == drilldown_y):
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raise ValidationError({'loop': _('You cannot use the same dimension for looping and'
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' grouping')})
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return cleaned_data
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