[permission] Add PermissionVar model

apps/member/templates/member/includes/profile_info.html

@@ -60,10 +60,7 @@
 {% if user_object.pk == user.pk %}
     <div class="text-center">
         <a class="small badge badge-secondary" href="{% url 'member:auth_token' %}">
-            <i class="fa fa-cogs"></i>&nbsp;{% trans 'API token' %}
+            <i class="fa fa-cogs"></i>{% trans 'API token' %}
-        </a>
-        <a class="small badge badge-secondary" href="{% url 'member:qr_code' user_object.pk %}">
-            <i class="fa fa-qrcode"></i>&nbsp;{% trans 'QR Code' %}
         </a>
     </div>
 {% endif %}

apps/member/templates/member/qr_code.html

@@ -1,36 +0,0 @@
-{% extends "base.html" %}
-{% comment %}
-SPDX-License-Identifier: GPL-3.0-or-later
-{% endcomment %}
-{% load i18n %}
-
-{% block content %}
-<div class="card bg-light">
-  	<h3 class="card-header text-center">
-		{% trans "QR Code for" %} {{ user_object.username }} ({{ user_object.first_name }} {{user_object.last_name }})
-  	</h3>
-  	<div class="text-center" id="qrcode">
-  	</div>
-</div>
-
-
-{% endblock %}
-
-{% block extrajavascript %}
-<script src="https://cdnjs.cloudflare.com/ajax/libs/qrcodejs/1.0.0/qrcode.min.js" integrity="sha512-CNgIRecGo7nphbeZ04Sc13ka07paqdeTu0WR1IM4kNcpmBAUSHSQX0FslNhTDadL4O5SAGapGt4FodqL8My0mA==" crossorigin="anonymous" referrerpolicy="no-referrer"></script>
-<script>
-	var qrc = new QRCode(document.getElementById("qrcode"), {
-		text: "{{ user_object.pk }}",
-		width: 1024,
-		height: 1024
-	});
-</script>
-{% endblock %}
-
-{% block extracss %}
-<style>
-img {
-    width: 100%
-}
-</style>
-{% endblock %}

apps/member/urls.py

@@ -25,5 +25,4 @@ urlpatterns = [
     path('user/<int:pk>/aliases/', views.ProfileAliasView.as_view(), name="user_alias"),
     path('user/<int:pk>/trust', views.ProfileTrustView.as_view(), name="user_trust"),
     path('manage-auth-token/', views.ManageAuthTokens.as_view(), name='auth_token'),
-    path('user/<int:pk>/qr_code/', views.QRCodeView.as_view(), name='qr_code'),
 ]

apps/member/views.py

@@ -365,14 +365,6 @@ class ManageAuthTokens(LoginRequiredMixin, TemplateView):
         context['token'] = Token.objects.get_or_create(user=self.request.user)[0]
         return context
 
-class QRCodeView(LoginRequiredMixin, DetailView):
-    """
-    Affiche le QR Code
-    """
-    model = User
-    context_object_name = "user_object"
-    template_name = "member/qr_code.html"
-    extra_context = {"title": _("QR Code")}
 
 # ******************************* #
 #              CLUB               #

apps/permission/admin.py

@@ -4,7 +4,7 @@
 from django.contrib import admin
 from note_kfet.admin import admin_site
 
-from .models import Permission, PermissionMask, Role
+from .models import Permission, PermissionVar, PermissionMask, Role
 
 
 @admin.register(PermissionMask, site=admin_site)
@@ -15,6 +15,14 @@ class PermissionMaskAdmin(admin.ModelAdmin):
     list_display = ('description', 'rank', )
 
 
+@admin.register(PermissionVar, site=admin_site)
+class PermissionVarAdmin(admin.ModelAdmin):
+    """
+    Admin customisation for PermissionVar
+    """
+    list_display = ('name', 'description',)
+
+
 @admin.register(Permission, site=admin_site)
 class PermissionAdmin(admin.ModelAdmin):
     """

apps/permission/migrations/0002_permissionvar.py

@@ -0,0 +1,22 @@
+# Generated by Django 2.2.28 on 2022-10-10 17:37
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('permission', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='PermissionVar',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.SlugField(unique=True, verbose_name='name')),
+                ('query', models.TextField(verbose_name='query')),
+                ('description', models.CharField(blank=True, max_length=255, verbose_name='description')),
+            ],
+        ),
+    ]

apps/permission/models.py

@@ -118,6 +118,25 @@ class PermissionMask(models.Model):
         verbose_name_plural = _("permission masks")
 
 
+class PermissionVar(models.Model):
+
+    name = models.SlugField(
+        unique=True,
+        blank=False,
+        verbose_name=_("name"),
+    )
+
+    query = models.TextField(
+        verbose_name=_("query"),
+    )
+
+    description = models.CharField(
+        max_length=255,
+        blank=True,
+        verbose_name=_("description"),
+    )
+
+
 class Permission(models.Model):
 
     PERMISSION_TYPES = [
@@ -139,6 +158,7 @@ class Permission(models.Model):
     #  query -> ["AND", query, …]            AND multiple queries
     #         | ["OR", query, …]             OR multiple queries
     #         | ["NOT", query]               Opposite of query
+    #         | ["VAR", query]               A var name as defined in PermissionVar
     #  query -> {key: value, …}              A list of fields and values of a Q object
     #  key   -> string                       A field name
     #  value -> int | string | bool | null   Literal values
@@ -150,6 +170,7 @@ class Permission(models.Model):
     #         | ["MUL", oper, …]             Multiply F objects or literals
     #         | int | string | bool | null   Literal values
     #         | ["F", string]                A field
+    #         | ["VAR", string]              A var name as defined in PermissionVar
     #
     # Examples:
     #  Q(is_superuser=True)  := {"is_superuser": true}
@@ -215,6 +236,8 @@ class Permission(models.Model):
                 return functools.reduce(operator.mul, [Permission.compute_f(oper, **kwargs) for oper in oper[1:]])
             elif oper[0] == 'F':
                 return F(oper[1])
+            elif oper[0] == 'VAR':
+                return compute_f(json.loads(PermissionVar.objects.get(name=oper[1]).query), **kwargs)
             else:
                 field = kwargs[oper[0]]
                 for i in range(1, len(oper)):
@@ -289,6 +312,8 @@ class Permission(models.Model):
                 return functools.reduce(operator.or_, [Permission._about(query, **kwargs) for query in query[1:]])
             elif query[0] == 'NOT':
                 return ~Permission._about(query[1], **kwargs)
+            elif query[0] == 'VAR':
+                return Permission._about(json.loads(PermissionVar.objects.get(name=query[1]).query), **kwargs)
             else:
                 return Q(pk=F("pk")) if Permission.compute_param(query, **kwargs) else ~Q(pk=F("pk"))
         elif isinstance(query, dict):