Intial commit of the forms manager app

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

mayan/apps/forms/__init__.py

@@ -0,0 +1,3 @@
+from __future__ import unicode_literals
+
+default_app_config = 'mayan.apps.forms.apps.FormsApp'

mayan/apps/forms/admin.py

@@ -0,0 +1,23 @@
+from __future__ import unicode_literals
+
+from django.contrib import admin
+
+from .models import FieldChoice, FormTemplate, FormTemplateField
+
+
+@admin.register(FieldChoice)
+class FieldChoiceAdmin(admin.ModelAdmin):
+    list_display = ('label', 'dotted_path')
+
+
+class FormTemplateFieldInline(admin.StackedInline):
+    model = FormTemplateField
+    extra = 1
+    classes = ('collapse-open',)
+    allow_add = True
+
+
+@admin.register(FormTemplate)
+class FormTemplateAdmin(admin.ModelAdmin):
+    inlines = (FormTemplateFieldInline,)
+    list_display = ('name', 'label', 'enabled')

mayan/apps/forms/apps.py

@@ -0,0 +1,30 @@
+from __future__ import unicode_literals
+
+from django.apps import apps
+from django.utils.translation import ugettext_lazy as _
+
+from mayan.apps.acls.classes import ModelPermission
+from mayan.apps.acls.links import link_acl_list
+from mayan.apps.acls.permissions import permission_acl_edit, permission_acl_view
+from mayan.apps.common.apps import MayanAppConfig
+from mayan.apps.common.html_widgets import TwoStateWidget
+from mayan.apps.common.menus import (
+    menu_list_facet, menu_multi_item, menu_object, menu_secondary, menu_setup,
+    menu_tools
+)
+from mayan.apps.events.classes import ModelEventType
+from mayan.apps.events.links import (
+    link_events_for_object, link_object_event_types_user_subcriptions_list
+)
+from mayan.apps.navigation.classes import SourceColumn
+
+
+class FormsApp(MayanAppConfig):
+    app_namespace = 'forms'
+    app_url = 'forms'
+    #has_tests = True
+    name = 'mayan.apps.forms'
+    verbose_name = _('Forms')
+
+    def ready(self):
+        super(FormsApp, self).ready()

mayan/apps/forms/classes.py

@@ -0,0 +1,28 @@
+from __future__ import unicode_literals
+
+import logging
+
+from django.apps import apps
+from django.utils import six
+from django.utils.encoding import force_text
+from django.utils.translation import ugettext_lazy as _
+
+logger = logging.getLogger(__name__)
+
+
+class FieldEntry(object):
+    _registry = {}
+
+    @classmethod
+    def all(cls):
+        return cls._registry.values()
+
+    def __init__(self, dotted_path, label):
+        self.dotted_path = dotted_path
+        self.label = label
+
+        self.__class__._registry[self.dotted_path] = self
+
+
+
+FieldEntry(dotted_path='django.forms.CharField', label='Character field')

mayan/apps/forms/migrations/0001_initial.py

@@ -0,0 +1,61 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.20 on 2019-05-22 07:27
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='FieldChoice',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('label', models.CharField(max_length=128, verbose_name='Label')),
+                ('dotted_path', models.CharField(max_length=128, verbose_name='Dotted path')),
+            ],
+            options={
+                'verbose_name': 'Field choice',
+                'verbose_name_plural': 'Field choices',
+                'ordering': ('label',),
+            },
+        ),
+        migrations.CreateModel(
+            name='FormTemplate',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=32, verbose_name='Name')),
+                ('label', models.CharField(max_length=128, verbose_name='Label')),
+                ('enabled', models.BooleanField(default=True, verbose_name='Enabled')),
+            ],
+            options={
+                'verbose_name': 'Form template',
+                'verbose_name_plural': 'Form templates',
+                'ordering': ('label',),
+            },
+        ),
+        migrations.CreateModel(
+            name='FormTemplateField',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=128, verbose_name='Name')),
+                ('arguments', models.TextField(blank=True, verbose_name='Arguments')),
+                ('widget', models.CharField(blank=True, max_length=128, verbose_name='Widget')),
+                ('widget_arguments', models.CharField(blank=True, max_length=128, verbose_name='Widget arguments')),
+                ('enabled', models.BooleanField(default=True, verbose_name='Enabled')),
+                ('choice', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='forms', to='forms.FieldChoice', verbose_name='Choice')),
+                ('form_template', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='fields', to='forms.FormTemplate', verbose_name='Form template field')),
+            ],
+            options={
+                'verbose_name': 'Form template field',
+                'verbose_name_plural': 'Form template fields',
+            },
+        ),
+    ]

mayan/apps/forms/migrations/0002_forminstance.py

@@ -0,0 +1,23 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.20 on 2019-05-22 07:32
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('forms', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='FormInstance',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('form_template', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='instances', to='forms.FormTemplate', verbose_name='Form template field')),
+            ],
+        ),
+    ]

mayan/apps/forms/models.py

@@ -0,0 +1,91 @@
+from __future__ import unicode_literals
+
+import json
+import logging
+
+from django.core import mail
+from django.db import models, transaction
+from django.template import Context, Template
+from django.utils.encoding import force_text, python_2_unicode_compatible
+from django.utils.html import strip_tags
+from django.utils.module_loading import import_string
+from django.utils.translation import ugettext_lazy as _
+
+logger = logging.getLogger(__name__)
+
+
+@python_2_unicode_compatible
+class FieldChoice(models.Model):
+    label = models.CharField(max_length=128, verbose_name=_('Label'))
+    dotted_path = models.CharField(
+        max_length=128, verbose_name=_('Dotted path')
+    )
+
+    class Meta:
+        ordering = ('label',)
+        verbose_name = _('Field choice')
+        verbose_name_plural = _('Field choices')
+
+    def __str__(self):
+        return self.label
+
+
+class FormTemplate(models.Model):
+    name = models.CharField(max_length=32, verbose_name=_('Name'))
+    label = models.CharField(max_length=128, verbose_name=_('Label'))
+    enabled = models.BooleanField(default=True, verbose_name=_('Enabled'))
+
+    class Meta:
+        ordering = ('label',)
+        verbose_name = _('Form template')
+        verbose_name_plural = _('Form templates')
+
+    def get_fields_dictionary(self):
+        result = {}
+
+        for field in self.fields.all():
+            result[field.name] = {
+                'label': field.get_arguments().get('label', self.name),
+                'class': field.choice.dotted_path,
+                'kwargs': field.get_arguments(),
+            }
+
+        return result
+
+
+class FormTemplateField(models.Model):
+    form_template = models.ForeignKey(
+        on_delete=models.CASCADE, related_name='fields', to=FormTemplate,
+        verbose_name=_('Form template field')
+    )
+    name = models.CharField(
+        max_length=128, verbose_name=_('Name')
+    )
+    choice = models.ForeignKey(
+        on_delete=models.CASCADE, related_name='forms', to=FieldChoice,
+        verbose_name=_('Choice')
+    )
+    arguments = models.TextField(
+        blank=True, verbose_name=_('Arguments')
+    )
+    widget = models.CharField(
+        blank=True, max_length=128, verbose_name=_('Widget')
+    )
+    widget_arguments = models.CharField(
+        blank=True, max_length=128, verbose_name=_('Widget arguments')
+    )
+    enabled = models.BooleanField(default=True, verbose_name=_('Enabled'))
+
+    class Meta:
+        verbose_name = _('Form template field')
+        verbose_name_plural = _('Form template fields')
+
+    def get_arguments(self):
+        return json.loads(self.arguments or '{}')
+
+
+class FormInstance(models.Model):
+    form_template = models.ForeignKey(
+        on_delete=models.CASCADE, related_name='instances', to=FormTemplate,
+        verbose_name=_('Form template field')
+    )

mayan/apps/forms/urls.py

@@ -0,0 +1,12 @@
+from __future__ import unicode_literals
+
+from django.conf.urls import url
+
+from .views import FormInstanceCreateView
+
+urlpatterns = [
+    url(
+        regex=r'^templates/(?P<pk>\d+)/instances/create/$',
+        view=FormInstanceCreateView.as_view(), name='form_instance_create'
+    ),
+]

mayan/apps/forms/views.py

@@ -0,0 +1,32 @@
+from __future__ import absolute_import, unicode_literals
+
+from django.http import Http404, HttpResponseRedirect
+from django.shortcuts import get_object_or_404
+from django.template import RequestContext
+from django.urls import reverse, reverse_lazy
+from django.utils.translation import ungettext, ugettext_lazy as _
+
+from mayan.apps.acls.models import AccessControlList
+from mayan.apps.common.generics import (
+    DynamicFormView, FormView, MultipleObjectFormActionView, SingleObjectDeleteView,
+    SingleObjectDynamicFormCreateView, SingleObjectDynamicFormEditView,
+    SingleObjectListView
+)
+from mayan.apps.common.forms import DynamicForm, DynamicModelForm
+from mayan.apps.common.mixins import ExternalObjectMixin
+
+from .models import FormTemplate, FormInstance
+
+
+class FormInstanceCreateView(ExternalObjectMixin, DynamicFormView):
+    external_object_class = FormTemplate
+    external_object_pk_url_kwarg = 'pk'
+    form_class = DynamicForm
+
+    def get_form_schema(self):
+        result = {
+            'fields': self.external_object.get_fields_dictionary(),
+            'widgets': {}
+        }
+
+        return result

mayan/settings/base.py

@@ -118,6 +118,7 @@ INSTALLED_APPS = (
     'mayan.apps.document_states',
     'mayan.apps.documents',
     'mayan.apps.file_metadata',
+    'mayan.apps.forms',
     'mayan.apps.linking',
     'mayan.apps.mailer',
     'mayan.apps.mayan_statistics',