Add 'variant' field to Part model

- Display 'long_name' which is concatenation of name and variant

InvenTree/part/forms.py

@@ -65,6 +65,7 @@ class EditPartForm(HelperForm):
         fields = [
             'category',
             'name',
+            'variant',
             'description',
             'IPN',
             'URL',

InvenTree/part/migrations/0020_auto_20190510_2022.py

@@ -0,0 +1,27 @@
+# Generated by Django 2.2 on 2019-05-10 10:22
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('part', '0019_auto_20190508_2332'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='part',
+            name='variant',
+            field=models.CharField(blank=True, help_text='Part variant or revision code', max_length=32),
+        ),
+        migrations.AlterField(
+            model_name='part',
+            name='name',
+            field=models.CharField(help_text='Part name', max_length=100),
+        ),
+        migrations.AlterUniqueTogether(
+            name='part',
+            unique_together={('name', 'variant')},
+        ),
+    ]

InvenTree/part/models.py

@@ -124,6 +124,7 @@ class Part(models.Model):
 
     Attributes:
         name: Brief name for this part
+        variant: Optional variant number for this part - Must be unique for the part name
         description: Longer form description of the part
         category: The PartCategory to which this part belongs
         IPN: Internal part number (optional)
@@ -142,6 +143,23 @@ class Part(models.Model):
         notes: Additional notes field for this part
     """
 
+    class Meta:
+        verbose_name = "Part"
+        verbose_name_plural = "Parts"
+        unique_together = [
+            ('name', 'variant')
+        ]
+
+    def __str__(self):
+        return "{n} - {d}".format(n=self.long_name, d=self.description)
+
+    @property
+    def long_name(self):
+        name = self.name
+        if self.variant:
+            name += " | " + self.variant
+        return name
+
     def get_absolute_url(self):
         """ Return the web URL for viewing this part """
         return reverse('part-detail', kwargs={'pk': self.id})
@@ -154,7 +172,9 @@ class Part(models.Model):
         else:
             return static('/img/blank_image.png')
 
-    name = models.CharField(max_length=100, unique=True, blank=False, help_text='Part name (must be unique)')
+    name = models.CharField(max_length=100, blank=False, help_text='Part name')
+
+    variant = models.CharField(max_length=32, blank=True, help_text='Part variant or revision code') 
 
     description = models.CharField(max_length=250, blank=False, help_text='Part description')
 
@@ -228,9 +248,6 @@ class Part(models.Model):
 
     notes = models.TextField(blank=True)
 
-    def __str__(self):
-        return "{n} - {d}".format(n=self.name, d=self.description)
-
     def format_barcode(self):
         """ Return a JSON string for formatting a barcode for this Part object """
 
@@ -243,10 +260,6 @@ class Part(models.Model):
             }
         )
 
-    class Meta:
-        verbose_name = "Part"
-        verbose_name_plural = "Parts"
-
     @property
     def category_path(self):
         if self.category:

InvenTree/part/serializers.py

@@ -41,9 +41,10 @@ class PartBriefSerializer(serializers.ModelSerializer):
             'pk',
             'url',
             'name',
-            'image_url',
+            'variant',
             'description',
             'available_stock',
+            'image_url',
         ]
 
 
@@ -63,6 +64,7 @@ class PartSerializer(serializers.ModelSerializer):
             'pk',
             'url',  # Link to the part detail page
             'name',
+            'variant',
             'image_url',
             'IPN',
             'URL',  # Link to an external URL (optional)

InvenTree/part/templates/part/part_app_base.html

@@ -4,7 +4,7 @@
 
 {% block page_title %}
 {% if part %}
-InvenTree | Part - {{ part.name }}
+InvenTree | Part - {{ part.long_name }}
 {% elif category %}
 InvenTree | Part Category - {{ category }}
 {% else %}

InvenTree/part/templates/part/part_base.html

@@ -7,7 +7,7 @@
 <div class="row">
     {% if part.active == False %}
     <div class='alert alert-danger' style='display: block;'>
-        This part ({{ part.name }}) is not active:
+        This part ({{ part.long_name }}) is not active:
     </div>
     {% endif %}
 <div class="col-sm-6">
@@ -24,8 +24,11 @@
       </div>
     <div class="media-body">
         <h4>
-            {{ part.name }}
+            {{ part.long_name }}
         </h4>   
+        {% if part.variant %}
+        <p>Variant: {{ part.variant }}</p>
+        {% endif %}
         <p><i>{{ part.description }}</i></p>
         <p>
             <div class='btn-group'>

InvenTree/part/templates/part/partial_delete.html

@@ -1,4 +1,4 @@
-Are you sure you want to delete part '{{ part.name }}'?
+Are you sure you want to delete part '{{ part.long_name }}'?
 
 {% if part.used_in_count %}
 <p>This part is used in BOMs for {{ part.used_in_count }} other parts. If you delete this part, the BOMs for the following parts will be updated:
@@ -30,5 +30,5 @@ Are you sure you want to delete part '{{ part.name }}'?
 {% endif %}
 
 {% if part.serials.all|length > 0 %}
-<p>There are {{ part.serials.all|length }} unique parts tracked for '{{ part.name }}'. Deleting this part will permanently remove this tracking information.</p>
+<p>There are {{ part.serials.all|length }} unique parts tracked for '{{ part.long_name }}'. Deleting this part will permanently remove this tracking information.</p>
 {% endif %}

InvenTree/part/templates/part/supplier.html

@@ -48,7 +48,7 @@
     $("#supplier-table").bootstrapTable({
         sortable: true,
         search: true,
-        formatNoMatches: function() { return "No supplier parts available for {{ part.name }}"; },
+        formatNoMatches: function() { return "No supplier parts available for {{ part.long_name }}"; },
         queryParams: function(p) {
             return {
                 part: {{ part.id }}

InvenTree/part/templates/part/track.html

@@ -4,7 +4,7 @@
 
 {% include 'part/tabs.html' with tab='track' %}
 
-Part tracking for {{ part.name }}
+Part tracking for {{ part.long_name }}
 
 <table class="table table-striped">
 <tr>

InvenTree/static/script/inventree/part.js

@@ -123,7 +123,13 @@ function loadPartTable(table, url, options={}) {
                 title: 'Part',
                 sortable: true,
                 formatter: function(value, row, index, field) {
-                    var display = imageHoverIcon(row.image_url) + renderLink(value, row.url);
+                    var name = row.name;
+
+                    if (row.variant) {
+                        name = name + " | " + row.variant;
+                    }
+
+                    var display = imageHoverIcon(row.image_url) + renderLink(name, row.url);
                     if (!row.active) {
                         display = display + "<span class='label label-warning' style='float: right;'>INACTIVE</span>";
                     }

InvenTree/templates/required_part_table.html

@@ -8,7 +8,7 @@
     </tr>
     {% for part in parts %}
     <tr>
-        <td><a href="{% url 'part-detail' part.id %}">{{ part.name }}</a></td>
+        <td><a href="{% url 'part-detail' part.id %}">{{ part.long_name }}</a></td>
         <td>{{ part.description }}</td>
         <td>{{ part.total_stock }}</td>
         <td>{{ part.allocation_count }}</td>