Fix #761: Attributes that depend on party type don't show up on party…

… creation

cadasta/core/form_mixins.py

@@ -1,7 +1,14 @@
+from django.forms import Form, ModelForm
+
+from jsonattrs.forms import form_field_from_name
+from django.contrib.contenttypes.models import ContentType
 from tutelary.models import Role
 
+from .mixins import SchemaSelectorMixin
+
 
 class SuperUserCheck:
+
     def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)
         self._su_role = None
@@ -12,3 +19,99 @@ def is_superuser(self, user):
 
         return any([isinstance(pol, Role) and pol == self.su_role
                     for pol in user.assigned_policies()])
+
+
+class AttributeFormMixin(SchemaSelectorMixin):
+    def create_model_fields(self, field_prefix, attribute_map, new_item=False):
+        for selector, attributes in attribute_map.items():
+            for name, attr in attributes.items():
+                fieldname = '{}::{}::{}'.format(
+                    field_prefix, selector.lower(), name)
+                atype = attr.attr_type
+                args = {'label': attr.long_name, 'required': attr.required}
+                field = form_field_from_name(atype.form_field)
+                if not new_item:
+                    self.set_initial(args, attr.name, attr)
+                if atype.form_field in ['ChoiceField', 'MultipleChoiceField']:
+                    if (attr.choice_labels is not None and
+                            attr.choice_labels != []):
+                        chs = list(zip(attr.choices, attr.choice_labels))
+                    else:
+                        # chs = list(map(lambda c: (c, c), attr.choices))
+                        chs = [(c, c) for c in attr.choices]
+                    args['choices'] = chs
+                if atype.form_field == 'BooleanField':
+                    args['required'] = attr.required
+                    if len(attr.default) > 0:
+                        self.set_default(args, attr, boolean=True)
+                else:
+                    if attr.required and new_item:
+                        args['required'] = True
+                    if len(attr.default) > 0 and len(
+                            args.get('initial', '')) == 0:
+                        self.set_default(args, attr)
+                self.fields[fieldname] = field(**args)
+
+    def set_default(self, args, attr, boolean=False):
+        if len(attr.default) > 0:
+            if boolean:
+                args['initial'] = (attr.default != 'False')
+            else:
+                args['initial'] = attr.default
+
+    def set_initial(self, args, name, attr):
+        if hasattr(self, 'instance'):
+            attrvals = getattr(self.instance, self.attributes_field)
+            if name in attrvals:
+                if attr.attr_type.form_field == 'BooleanField':
+                    args['initial'] = (
+                        attrvals[name]
+                        if isinstance(attrvals[name], bool)
+                        else attrvals[name] != 'False'
+                    )
+                else:
+                    args['initial'] = attrvals.get(name, None)
+
+    def process_attributes(self, key, entity_type=''):
+        attributes = {}
+        for k, v in self.cleaned_data.items():
+            if k.startswith(key + '::'):
+                _, type, name = k.split('::')
+                if type in [entity_type.lower(), 'default']:
+                    attributes[name] = v
+        if hasattr(self, 'instance'):
+            setattr(self.instance, self.attributes_field, attributes)
+        else:
+            return attributes
+
+
+class AttributeForm(AttributeFormMixin, Form):
+    def add_attribute_fields(self, content_type):
+        label = '{}.{}'.format(content_type.app_label, content_type.model)
+        attributes = self.get_model_attributes(self.project, label)
+        new_item = self.data.get('new_item') == 'on'
+        self.create_model_fields(
+            content_type.model, attributes, new_item=new_item
+        )
+
+
+class AttributeModelForm(AttributeFormMixin, ModelForm):
+    def add_attribute_fields(self):
+        content_type = ContentType.objects.get_for_model(self.Meta.model)
+        label = '{}.{}'.format(content_type.app_label, content_type.model)
+        attributes = self.get_model_attributes(self.project, label)
+        new_item = self.data.get('new_item') == 'on'
+        self.create_model_fields(
+            content_type.model, attributes, new_item=new_item
+        )
+
+    def save(self, *args, **kwargs):
+        entity_type = kwargs.get('entity_type', '')
+        project_id = kwargs.get('project_id', None)
+        instance = super().save(commit=False)
+        content_type = ContentType.objects.get_for_model(instance)
+        if self.attributes_field is not None:
+            self.process_attributes(content_type.model, entity_type)
+        if project_id is not None and hasattr(instance, 'project_id'):
+            setattr(instance, 'project_id', project_id)
+        return super().save()

cadasta/core/mixins.py

@@ -1,12 +1,17 @@
+from collections import OrderedDict
+
+from django.conf import settings
 from django.contrib import messages
-from django.shortcuts import redirect
+from django.contrib.contenttypes.models import ContentType
 from django.core.urlresolvers import reverse
+from django.shortcuts import redirect
 from django.utils.translation import gettext as _
-
+from jsonattrs.models import Schema, compose_schemas
 from tutelary import mixins
 
 
 class PermissionRequiredMixin(mixins.PermissionRequiredMixin):
+
     def handle_no_permission(self):
         msg = super().handle_no_permission()
         messages.add_message(self.request, messages.WARNING,
@@ -52,10 +57,70 @@ def update_permissions(permission, obj=None):
     def set_permissions(self, request, view=None):
         if (hasattr(self, 'get_organization') and
                 self.get_organization().archived):
-                    return False
+            return False
         if (hasattr(self, 'get_project') and self.get_project().archived):
             return False
         if obj and self.get_object().archived:
             return False
         return permission
     return set_permissions
+
+
+class SchemaSelectorMixin():
+
+    def get_attributes(self, project):
+        content_type_to_selectors = self._get_content_types_to_selectors()
+        attributes_for_models = {}
+        for content_type, selector_fields in content_type_to_selectors.items():
+            label = '{}.{}'.format(content_type.app_label, content_type.model)
+            model = content_type.model_class()
+            choices = []
+            selectors = OrderedDict({})
+            attributes_for_models[label] = OrderedDict({})
+
+            for selector_field in selector_fields:
+                field = model._meta.get_field(selector_field.partition('.')[0])
+                if field.choices:
+                    choices = [
+                        (field.name, choice[0]) for choice in field.choices]
+                else:
+                    selector = project
+                    sf = selector_field.partition('.')[-1]
+                    sf = sf.replace('.pk', '_id')
+                    selector = getattr(selector, sf, None)
+                    if selector:
+                        selectors[sf] = selector
+
+            if selectors and not choices:
+                defaults = list(selectors.values())
+                schemas = Schema.objects.lookup(
+                    content_type=content_type, selectors=defaults)
+                if schemas:
+                    attributes, _, _ = compose_schemas(*schemas)
+                    attributes_for_models[label]['DEFAULT'] = attributes
+
+            if selectors and choices:
+                for choice in choices:
+                    conditionals = list(selectors.values()) + [choice[1]]
+                    schemas = Schema.objects.lookup(
+                        content_type=content_type,
+                        selectors=conditionals)
+                    if schemas:
+                        key = '{value}'.format(value=choice[1])
+                        attributes, _, _ = compose_schemas(*schemas)
+                        attributes_for_models[label][key] = attributes
+
+        return attributes_for_models
+
+    def get_model_attributes(self, project, content_type):
+        attributes_for_models = self.get_attributes(project)
+        return attributes_for_models[content_type]
+
+    def _get_content_types_to_selectors(self):
+        content_type_to_selectors = dict()
+        for k, v in settings.JSONATTRS_SCHEMA_SELECTORS.items():
+            a, m = k.split('.')
+            content_type_to_selectors[
+                ContentType.objects.get(app_label=a, model=m)
+            ] = v
+        return content_type_to_selectors

cadasta/core/static/js/party_attrs.js

@@ -0,0 +1,87 @@
+/* eslint-env jquery */
+
+function enableGroup() {
+  $('.party-gr').removeClass('hidden');
+  $('.party-in').addClass('hidden');
+  $('.party-co').addClass('hidden');
+  $('.party-gr .form-control').prop('disabled', '');
+  $('.party-in .form-control').prop('disabled', 'disabled');
+  $('.party-co .form-control').prop('disabled', 'disabled');
+}
+
+function enableIndividual() {
+  $('.party-in').removeClass('hidden');
+  $('.party-gr').addClass('hidden');
+  $('.party-co').addClass('hidden');
+  $('.party-in .form-control').prop('disabled', '');
+  $('.party-gr .form-control').prop('disabled', 'disabled');
+  $('.party-co .form-control').prop('disabled', 'disabled');
+}
+
+function enableCorporation() {
+  $('.party-co').removeClass('hidden');
+  $('.party-gr').addClass('hidden');
+  $('.party-in').addClass('hidden');
+  $('.party-co .form-control').prop('disabled', '');
+  $('.party-gr .form-control').prop('disabled', 'disabled');
+  $('.party-in .form-control').prop('disabled', 'disabled');
+}
+
+function disableConditionals() {
+  $('.party-co').addClass('hidden');
+  $('.party-gr').addClass('hidden');
+  $('.party-in').addClass('hidden');
+  $('.party-co .form-control').prop('disabled', 'disabled');
+  $('.party-gr .form-control').prop('disabled', 'disabled');
+  $('.party-in .form-control').prop('disabled', 'disabled');
+}
+
+function toggleParsleyRequired(val) {
+  const typeChoices = ['in', 'gr', 'co'];
+  $.each(typeChoices, function(idx, choice) {
+    if (val === choice) {
+      $.each($(`.party-${val} .form-control`), function(idx, value) {
+        if (value.hasAttribute('data-parsley-required')) {
+          $(value).attr('data-parsley-required', true);
+          $(value).prop('required', 'required');
+        }
+      });
+    } else {
+      $.each($(`.party-${choice} .form-control`), function(idx, value) {
+        if (value.hasAttribute('data-parsley-required')) {
+          $(value).attr('data-parsley-required', false);
+          $(value).prop('required', '');
+        }
+      });
+    }
+  });
+}
+
+function toggleStates(val) {
+  if (val === 'in') {
+    enableIndividual();
+    toggleParsleyRequired(val);
+  }
+  if (val === 'gr') {
+    enableGroup();
+    toggleParsleyRequired(val);
+  }
+  if (val === 'co') {
+    enableCorporation();
+    toggleParsleyRequired(val);
+  }
+  if (val === '') {
+    disableConditionals();
+  }
+}
+
+$().ready(function() {
+  const val = $('.party-type').val().toLowerCase();
+  toggleStates(val);
+});
+
+
+$('select.party-type').on('change', function(e) {
+  const val = e.target.value.toLowerCase();
+  toggleStates(val);
+});

cadasta/core/static/js/rel_tenure.js

@@ -1,11 +1,13 @@
+/* eslint-env jquery */
+
 $('button#add-party').click(function() {
   $('div#select-party').toggleClass('hidden');
   $('div#new-item').toggleClass('hidden');
 });
 
 $('table#select-list tr').click(function(event) {
-  var target = $(event.target).closest('tr');
-  var relId = target.attr('data-id');
+  const target = $(event.target).closest('tr');
+  const relId = target.attr('data-id');
   target.closest('tbody').find('tr.info').removeClass('info');
   target.addClass('info');
   $('input[name="id"]').val(relId);

cadasta/core/templatetags/filters.py

@@ -0,0 +1,40 @@
+from django import template
+from django.forms import ChoiceField, FileField
+
+register = template.Library()
+
+
+@register.filter(name='field_value')
+def field_value(field):
+    """Return the value for this BoundField."""
+    if field.form.is_bound:
+        if isinstance(field.field, FileField) and field.data is None:
+            val = field.form.initial.get(field.name, field.field.initial)
+        else:
+            val = field.data
+    else:
+        val = field.form.initial.get(field.name, field.field.initial)
+        if callable(val):
+            val = val()
+    if val is None:
+        val = ''
+    return val
+
+
+@register.filter(name='display_choice_verbose')
+def display_choice_verbose(field):
+    """Return the displayed value for this BoundField."""
+    if isinstance(field.field, ChoiceField):
+        value = field_value(field)
+        for (val, desc) in field.field.choices:
+            if val == value:
+                return desc
+
+
+@register.filter(name='set_parsley_required')
+def set_parsley_required(field):
+    if field.field.required:
+        field.field.widget.attrs = {
+            'data-parsley-required': 'true'
+        }
+    return field