Rename field part.has_variants to part.is_template

InvenTree/part/migrations/0004_auto_20190525_2356.py

@@ -0,0 +1,24 @@
+# Generated by Django 2.2 on 2019-05-25 13:56
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('part', '0003_auto_20190525_2226'),
+    ]
+
+    operations = [
+        migrations.RenameField(
+            model_name='part',
+            old_name='has_variants',
+            new_name='is_template',
+        ),
+        migrations.AlterField(
+            model_name='part',
+            name='variant_of',
+            field=models.ForeignKey(blank=True, help_text='Is this part a variant of another part?', limit_choices_to={'active': True, 'is_template': True}, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='variants', to='part.Part'),
+        ),
+    ]

InvenTree/part/models.py

@@ -192,7 +192,7 @@ class Part(models.Model):
         description: Longer form description of the part
         keywords: Optional keywords for improving part search results
         IPN: Internal part number (optional)
-        has_variants: If True, this part is a 'template' part and cannot be instantiated as a StockItem
+        is_template: If True, this part is a 'template' part and cannot be instantiated as a StockItem
         URL: Link to an external page with more information about this part (e.g. internal Wiki)
         image: Image of this part
         default_location: Where the item is normally stored (may be null)
@@ -256,10 +256,10 @@ class Part(models.Model):
     def clean(self):
         """ Perform cleaning operations for the Part model """
 
-        if self.has_variants and self.variant_of is not None:
+        if self.is_template and self.variant_of is not None:
             raise ValidationError({
+                'is_template': _("Part cannot be a template part if it is a variant of another part"),
                 'variant_of': _("Part cannot be a variant of another part if it is already a template"),
-                'has_variants': _("Part cannot be a template part if it is a variant of another part")
             })
 
     name = models.CharField(max_length=100, blank=False, help_text='Part name',
@@ -268,12 +268,12 @@ class Part(models.Model):
 
     variant = models.CharField(max_length=32, blank=True, help_text='Part variant or revision code')
 
-    has_variants = models.BooleanField(default=False, help_text='Is this part a template part?')
+    is_template = models.BooleanField(default=False, help_text='Is this part a template part?')
 
     variant_of = models.ForeignKey('part.Part', related_name='variants',
                                    null=True, blank=True,
                                    limit_choices_to={
-                                       'has_variants': True,
+                                       'is_template': True,
                                        'active': True,
                                    },
                                    on_delete=models.SET_NULL,

InvenTree/part/templates/part/part_base.html

@@ -9,7 +9,7 @@
     This part is not active:
 </div>
 {% endif %}
-{% if part.has_variants %}
+{% if part.is_template %}
 <div class='alert alert-info alert-block'>
     This part is a <i>template part</i>.<br>
     It is not a <i>real</i> part, but real parts can be based on this template.

InvenTree/part/templates/part/tabs.html

@@ -2,7 +2,7 @@
     <li{% ifequal tab 'detail' %} class="active"{% endifequal %}>
         <a href="{% url 'part-detail' part.id %}">Details</a>
     </li>
-    {% if part.has_variants %}
+    {% if part.is_template %}
     <li{% ifequal tab 'variants' %} class='active'{% endifequal %}>
         <a href="{% url 'part-variants' part.id %}">Variants <span class='badge'>{{ part.variants.count }}</span></span></a>
     </li>
@@ -25,7 +25,7 @@
     <li{% ifequal tab 'used' %} class="active"{% endifequal %}>
         <a href="{% url 'part-used-in' part.id %}">Used In{% if part.used_in_count > 0 %}<span class="badge">{{ part.used_in_count }}</span>{% endif %}</a></li>
     {% endif %}
-    {% if part.purchaseable and part.has_variants == False %}
+    {% if part.purchaseable and part.is_template == False %}
     <li{% ifequal tab 'suppliers' %} class="active"{% endifequal %}>
         <a href="{% url 'part-suppliers' part.id %}">Suppliers
             <span class="badge">{{ part.supplier_count }}</span>

InvenTree/part/templates/part/variants.html

@@ -15,7 +15,7 @@
 
 <div id='button-toolbar'>
     <div class='btn-group'>
-        {% if part.has_variants and part.active %}
+        {% if part.is_template and part.active %}
         <button class='btn btn-success' id='new-variant' title='Create new variant'>New Variant</button>
         {% endif %}
     </div>