Extend metadata

dcc/metadata/admin.py

@@ -1,6 +1,17 @@
 from django.contrib import admin
 from metadata.models import Decoder, Manufacturer, Company
 
-admin.site.register(Decoder)
-admin.site.register(Company)
-admin.site.register(Manufacturer)
+
+@admin.register(Decoder)
+class DecoderAdmin(admin.ModelAdmin):
+    readonly_fields = ('image_thumbnail',)
+
+
+@admin.register(Company)
+class CompanyAdmin(admin.ModelAdmin):
+    readonly_fields = ('logo_thumbnail',)
+
+
+@admin.register(Manufacturer)
+class ManufacturerAdmin(admin.ModelAdmin):
+    readonly_fields = ('logo_thumbnail',)

dcc/metadata/migrations/0003_metadata_extend.py

@@ -0,0 +1,35 @@
+# Generated by Django 4.0.1 on 2022-01-29 18:41
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    replaces = [('metadata', '0003_company_logo_decoder_image_manufacturer_logo'), ('metadata', '0004_decoder_interface'), ('metadata', '0005_alter_decoder_interface'), ('metadata', '0006_alter_decoder_interface')]
+
+    dependencies = [
+        ('metadata', '0002_decoder_version'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='company',
+            name='logo',
+            field=models.ImageField(blank=True, null=True, upload_to='images/'),
+        ),
+        migrations.AddField(
+            model_name='decoder',
+            name='image',
+            field=models.ImageField(blank=True, null=True, upload_to='images/'),
+        ),
+        migrations.AddField(
+            model_name='manufacturer',
+            name='logo',
+            field=models.ImageField(blank=True, null=True, upload_to='images/'),
+        ),
+        migrations.AddField(
+            model_name='decoder',
+            name='interface',
+            field=models.PositiveSmallIntegerField(blank=True, choices=[(1, 'NEM651'), (2, 'NEM652'), (3, 'PluX'), (4, '21MTC'), (5, 'Next18/Next18S')], null=True),
+        ),
+    ]

dcc/metadata/models.py

@@ -1,17 +1,31 @@
 from django.db import models
 from django_countries.fields import CountryField
 
+from dcc.utils import get_image_preview
+
 
 class Manufacturer(models.Model):
     name = models.CharField(max_length=128, unique=True)
+    logo = models.ImageField(
+        upload_to='images/',
+        null=True,
+        blank=True)
 
     def __str__(self):
         return self.name
 
+    def logo_thumbnail(self):
+        return get_image_preview(self.logo.url)
+    logo_thumbnail.short_description = "Preview"
+
 
 class Company(models.Model):
     name = models.CharField(max_length=128, unique=True)
     country = CountryField()
+    logo = models.ImageField(
+        upload_to='images/',
+        null=True,
+        blank=True)
 
     class Meta:
         verbose_name_plural = "Companies"
@@ -19,13 +33,37 @@ class Company(models.Model):
     def __str__(self):
         return self.name
 
+    def logo_thumbnail(self):
+        return get_image_preview(self.logo.url)
+    logo_thumbnail.short_description = "Preview"
+
 
 class Decoder(models.Model):
+    class Interface(models.IntegerChoices):
+        NEM651 = 1, "NEM651"
+        NEM652 = 2, "NEM652"
+        NEM658 = 3, "PluX"
+        NEM660 = 4, "21MTC"
+        NEM662 = 5, "Next18/Next18S"
+
     name = models.CharField(max_length=128, unique=True)
     manufacturer = models.ForeignKey(
         Manufacturer,
         on_delete=models.CASCADE)
     version = models.CharField(max_length=64, blank=True)
+    interface = models.PositiveSmallIntegerField(
+        choices=Interface.choices,
+        null=True,
+        blank=True
+    )
+    image = models.ImageField(
+        upload_to='images/',
+        null=True,
+        blank=True)
 
     def __str__(self):
         return "{0} - {1}".format(self.manufacturer, self.name)
+
+    def image_thumbnail(self):
+        return get_image_preview(self.image.url)
+    image_thumbnail.short_description = "Preview"

dcc/roster/migrations/0016_alter_cab_image.py

@@ -0,0 +1,18 @@
+# Generated by Django 4.0.1 on 2022-01-29 18:05
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('roster', '0015_remove_decoder_manufacturer_alter_cab_company_and_more'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='cab',
+            name='image',
+            field=models.ImageField(blank=True, null=True, upload_to='images/'),
+        ),
+    ]

dcc/roster/models.py

@@ -32,7 +32,7 @@ class Cab(models.Model):
     purchase_date = models.DateField(null=True, blank=True)
 
     image = models.ImageField(
-        upload_to='media/images/',
+        upload_to='images/',
         null=True,
         blank=True)
     notes = models.TextField(blank=True)