Further improve stuff nad add model fro print jobs

shimatta_kenkyusho/parts/forms.py

@@ -16,10 +16,12 @@ class AutoCompleteWidget(widgets.Input):
 
     def get_context(self, name, value, attrs):
         context = super().get_context(name, value, attrs)
-        try:
-            instance = self.foreign_model.objects.get(id=uuid.UUID(value))
-        except Exception as ex:
-            print(ex)
+        if value is not None:
+            try:
+                 instance = self.foreign_model.objects.get(id=uuid.UUID(value))
+            except Exception as ex:
+                instance = None
+        else:
             instance = None
 
         image = None

shimatta_kenkyusho/parts/migrations/0008_auto_20220101_1250.py

@@ -0,0 +1,34 @@
+# Generated by Django 3.2.5 on 2022-01-01 12:50
+
+from django.conf import settings
+import django.core.validators
+from django.db import migrations, models
+import django.db.models.deletion
+import uuid
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+        ('parts', '0007_stock_lot'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='stock',
+            name='lot',
+            field=models.CharField(blank=True, default='', max_length=255),
+            preserve_default=False,
+        ),
+        migrations.CreateModel(
+            name='QrPrintJob',
+            fields=[
+                ('id', models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False, unique=True)),
+                ('qrdata', models.CharField(blank=True, max_length=256)),
+                ('text', models.TextField(blank=True, max_length=512)),
+                ('print_count', models.PositiveIntegerField(default=1, validators=[django.core.validators.MinValueValidator(0), django.core.validators.MaxValueValidator(32)])),
+                ('user', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL)),
+            ],
+        ),
+    ]

shimatta_kenkyusho/parts/models.py

@@ -5,6 +5,7 @@ from django.contrib.auth.models import User as AuthUser
 from django.core.exceptions import ValidationError
 from django.core.validators import RegexValidator
 from django.dispatch import receiver
+from django.core.validators import MinValueValidator, MaxValueValidator
 import os
 import uuid
 
@@ -227,7 +228,7 @@ class Stock(models.Model):
 	storage = models.ForeignKey(Storage, on_delete=models.PROTECT, blank=True, null=True)
 	amount = models.PositiveIntegerField()
 	watermark = models.IntegerField()  # negative is no watermark
-	lot = models.CharField(max_length=255, null=True, blank=True)
+	lot = models.CharField(max_length=255, null=False, blank=True)
 
 	def atomic_increment(self, increment):
 		if self.amount + increment < 0:
@@ -266,6 +267,18 @@ class DistributorNum(models.Model):
 	def __str__(self):
 		return self.component.name + '@' + self.distributor.name + ': ' + self.distributor_part_number
 
+class QrPrintJob(models.Model):
+	id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False, unique=True)
+	user = models.ForeignKey(AuthUser, on_delete=models.CASCADE, null=False, blank=False)
+	qrdata = models.CharField(max_length=256, blank=True, null=False)
+	text = models.TextField(max_length=512, blank=True, null=False)
+	print_count = models.PositiveIntegerField(default=1, validators=[MinValueValidator(0), MaxValueValidator(32)])
+
+	def clean(self):
+		super().clean()
+		if self.qrdata == '' and self.text == '':
+			raise ValidationError('Either QR Data or text must be set')
+
 # These functions ensure that the uploaded images are deleted if the model is deleted or the image file is changed.
 @receiver(models.signals.post_delete, sender=Component)
 @receiver(models.signals.post_delete, sender=Distributor)

shimatta_kenkyusho/templates/parts/components-detail.html

@@ -119,7 +119,7 @@
             </div>            
         </div>
     </div>
-    <form action="" method="post">
+    <form action="" method="post" enctype="multipart/form-data">
         {% csrf_token %}
         {{comp_form|crispy}}
         <input type="submit" name="submit-edit-component" value="Submit">

shimatta_kenkyusho/templates/widgets/autocomplete-foreign-key.html

@@ -1,5 +1,5 @@
 <div class="dropdown">
-    <input autocomplete="off" id="{{widget.attrs.id}}-search-input" data-ac-url="{{custom.search_url}}" data-bs-toggle="dropdown" class="form-control{% if widget.errors %} is-invalid{% endif %}" type="text" placeholder="Search...">
+    <input autocomplete="off" id="{{widget.attrs.id}}" data-ac-url="{{custom.search_url}}" data-bs-toggle="dropdown" type="text" placeholder="Search..." class="{{widget.attrs.class}}">
     <ul id="{{widget.attrs.id}}-ac-ul" class="dropdown-menu">
     </ul>
     <div class="d-flex align-items-center" id="{{widget.attrs.id}}-dflex-container">