category full name

equipment/admin.py

@@ -63,7 +63,7 @@ class EquipmentAttributeValueInline(admin.TabularInline):
 
 
 class CategoryAdmin(admin.ModelAdmin):
-    list_display = ['name', 'parent']
+    list_display = ['name', 'parent', "full_name"]
     ordering = ['name', 'parent']
 
 
@@ -73,7 +73,7 @@ class EquipmentAttributeAdmin(admin.ModelAdmin):
 
 
 class EquipmentAdmin(admin.ModelAdmin):
-    readonly_fields = ['added_at', 'modified_at']
+    readonly_fields = ['full_category', 'added_at', 'modified_at',]
     list_display = ['name', 'stock', 'owner', 'category', 'modified_at']
     ordering = ['name', 'owner', 'category']
     inlines = [EquipmentAttributeValueInline,

equipment/migrations/0011_auto_20180809_1405.py

@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.11 on 2018-08-09 14:05
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('equipment', '0010_auto_20180809_1211'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='equipment',
+            name='description',
+            field=models.TextField(blank=True, verbose_name='description'),
+        ),
+    ]

equipment/models.py

@@ -23,6 +23,24 @@ class EquipmentCategory(models.Model):
                 help_text=_("merci de ne pas faire de référence cyclique"),
                 )
 
+    def full_name_property(self):
+        if self.parent is None:
+            return "-"
+        current = self
+        res = ""
+        for k in range(100):
+            if current.parent is None:
+                break
+            res = "/{current}{old}".format(
+                        current=current.name,
+                        old=res)
+            current = current.parent
+        return res
+
+    full_name_property.short_description = _("Chemin complet")
+    full_name = property(full_name_property)
+
+
     class Meta:
         verbose_name = _("catégories")
         verbose_name_plural = _("catégories")
@@ -51,7 +69,10 @@ class Equipment(EventSpecificMixin, models.Model):
                 max_length=200,
             )
     stock = models.PositiveSmallIntegerField(_("quantité totale"))
-    description = models.TextField(_("description"))
+    description = models.TextField(
+                    _("description"),
+                    blank=True,
+                    )
     activities = models.ManyToManyField(
                 Activity,
                 related_name="equipment",
@@ -76,6 +97,13 @@ class Equipment(EventSpecificMixin, models.Model):
                 auto_now=True,
                 )
 
+    def full_category_property(self):
+        return self.category.full_name_property()
+
+    full_category_property.short_description = _("Chemin complet")
+    full_category= property(full_category_property)
+
+
     class Meta:
         verbose_name = _("matériel")
         verbose_name_plural = _("matériels")