Only display WiFi selection in device editor if device model supports WWAN

manager/migrations/0031_auto_20190109_1559.py

@@ -0,0 +1,23 @@
+# Generated by Django 2.1.3 on 2019-01-09 15:59
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('manager', '0030_auto_20190103_1823'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='model',
+            name='wwan',
+            field=models.BooleanField(default=False, verbose_name='Supports WWAN (External WiFi)'),
+        ),
+        migrations.AlterField(
+            model_name='device',
+            name='wifi',
+            field=models.ManyToManyField(blank=True, to='manager.Wifi'),
+        ),
+    ]

manager/models.py

@@ -26,6 +26,7 @@ class Model(models.Model):
     extname = models.CharField("Manufacturer Model Name", max_length=100)
     config = models.TextField("OpenWRT Compile Config", blank=True, null=True)
     firmware = models.DateTimeField("Firmware Modification Date", auto_now=True)
+    wwan = models.BooleanField("Supports WWAN (External WiFi)", default=False)
 
     def __str__(self):
         return self.name

manager/templates/manager/edit.html

@@ -39,15 +39,17 @@
    </select>
    <small id="subnetHelp" class="form-text text-muted">A network change will require a reboot of the device to be applied.</small>
   </div>
-  <div class="form-group">
-   <label for="wifi">Assigned WiFis</label>
-   <select multiple class="custom-select mr-sm-2" id="wifi" name="wifi">
-     {% for choice in wifis %}
-        <option {% if choice in curfis %} selected {% endif %} value="{{ choice.id }}">{{ choice }}</option>
-     {% endfor %}
-   </select>
-   <small id="subnetHelp" class="form-text text-muted">This feature is not yet available on all devices.</small>
-  </div>
+  {% if device.model.wwan %}
+   <div class="form-group">
+    <label for="wifi">Assigned WiFis</label>
+    <select multiple class="custom-select mr-sm-2" id="wifi" name="wifi">
+      {% for choice in wifis %}
+         <option {% if choice in curfis %} selected {% endif %} value="{{ choice.id }}">{{ choice }}</option>
+      {% endfor %}
+    </select>
+    <small id="subnetHelp" class="form-text text-muted">This feature is not yet available on all devices.</small>
+   </div>
+  {% endif %}
 
   <div class="form-group form-check">
    <input class="form-check-input" type="checkbox" value="True" {% if device.reboot %} checked {% endif %} id="reboot" name="reboot">