Add support for multiple dashboards.

Add support for removing dashboard widgets.

Signed-off-by: Roberto Rosario <roberto.rosario.gonzalez@gmail.com>

mayan/apps/documents/dashboard_widgets.py

@@ -0,0 +1,71 @@
+from __future__ import absolute_import, unicode_literals
+
+from django.apps import apps
+from django.urls import reverse_lazy
+from django.utils.translation import ugettext_lazy as _
+
+from common.classes import DashboardWidget
+
+from .statistics import (
+    new_document_pages_this_month, new_documents_this_month,
+)
+
+
+def get_total_documents_queryset():
+    Document = apps.get_model(
+        app_label='documents', model_name='Document'
+    )
+    return Document.objects.all()
+
+
+def get_document_types_queryset():
+    DocumentType = apps.get_model(
+        app_label='documents', model_name='DocumentType'
+    )
+    return DocumentType.objects.all()
+
+
+def get_deleted_documents_queryset():
+    DeletedDocument = apps.get_model(
+        app_label='documents', model_name='DeletedDocument'
+    )
+    return DeletedDocument.objects.all()
+
+
+widget_pages_per_month = DashboardWidget(
+    func=new_document_pages_this_month, icon='fa fa-calendar',
+    label=_('New pages this month'),
+    link=reverse_lazy(
+        'statistics:statistic_detail',
+        args=('new-document-pages-per-month',)
+    )
+)
+
+widget_new_documents_this_month = DashboardWidget(
+    func=new_documents_this_month, icon='fa fa-calendar',
+    label=_('New documents this month'),
+    link=reverse_lazy(
+        'statistics:statistic_detail',
+        args=('new-documents-per-month',)
+    )
+)
+
+widget_total_documents = DashboardWidget(
+    icon='fa fa-file', queryset=get_total_documents_queryset,
+    label=_('Total documents'),
+    link=reverse_lazy('documents:document_list')
+)
+
+
+widget_document_types = DashboardWidget(
+    icon='fa fa-book', queryset=get_document_types_queryset,
+    label=_('Document types'),
+    link=reverse_lazy('documents:document_type_list')
+)
+
+
+widget_documents_in_trash = DashboardWidget(
+    icon='fa fa-trash', queryset=get_deleted_documents_queryset,
+    label=_('Documents in trash'),
+    link=reverse_lazy('documents:document_list_deleted')
+)