add links between items and tickets /tickets endpoint

core/tickets/admin.py

@@ -1,6 +1,6 @@
 from django.contrib import admin
 
-from tickets.models import IssueThread, Comment, StateChange, Assignment, ShippingVoucher
+from tickets.models import IssueThread, Comment, StateChange, Assignment, ItemRelation, ShippingVoucher
 
 
 class IssueThreadAdmin(admin.ModelAdmin):
@@ -19,6 +19,10 @@ class AssignmentAdmin(admin.ModelAdmin):
     pass
 
 
+class ItemRelationAdmin(admin.ModelAdmin):
+    pass
+
+
 class ShippingVouchersAdmin(admin.ModelAdmin):
     pass
 
@@ -27,4 +31,5 @@ admin.site.register(IssueThread, IssueThreadAdmin)
 admin.site.register(Comment, CommentAdmin)
 admin.site.register(StateChange, StateChangeAdmin)
 admin.site.register(Assignment, AssignmentAdmin)
+admin.site.register(ItemRelation, ItemRelationAdmin)
 admin.site.register(ShippingVoucher, ShippingVouchersAdmin)

core/tickets/migrations/0010_issuethread_event_itemrelation_and_more.py

@@ -0,0 +1,35 @@
+# Generated by Django 4.2.7 on 2024-06-23 02:17
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('inventory', '0004_alter_event_created_at_alter_item_created_at'),
+        ('tickets', '0009_shippingvoucher'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='issuethread',
+            name='event',
+            field=models.ForeignKey(null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='issue_threads', to='inventory.event'),
+        ),
+        migrations.CreateModel(
+            name='ItemRelation',
+            fields=[
+                ('id', models.AutoField(primary_key=True, serialize=False)),
+                ('timestamp', models.DateTimeField(auto_now_add=True)),
+                ('status', models.CharField(choices=[('possible', 'Possible'), ('confirmed', 'Confirmed'), ('discarded', 'Discarded'), ('provided', 'Provided')], default='possible', max_length=255)),
+                ('issue_thread', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='item_relations', to='tickets.issuethread')),
+                ('item', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='issues', to='inventory.item')),
+            ],
+        ),
+        migrations.AddField(
+            model_name='issuethread',
+            name='related_items',
+            field=models.ManyToManyField(through='tickets.ItemRelation', to='inventory.item'),
+        ),
+    ]

core/tickets/models.py

@@ -3,7 +3,7 @@ from django.utils import timezone
 from django_softdelete.models import SoftDeleteModel
 
 from authentication.models import ExtendedUser
-from inventory.models import Event
+from inventory.models import Event, Item
 from django.db.models.signals import post_save, pre_save
 from django.dispatch import receiver
 
@@ -29,12 +29,21 @@ STATE_CHOICES = (
     ('found_closed', 'Item Found and stored externally and closed'),
 )
 
+RELATION_STATUS_CHOICES = (
+    ('possible', 'Possible'),
+    ('confirmed', 'Confirmed'),
+    ('discarded', 'Discarded'),
+    ('provided', 'Provided'),
+)
+
 
 class IssueThread(SoftDeleteModel):
     id = models.AutoField(primary_key=True)
     uuid = models.CharField(max_length=255, unique=True, null=False, blank=False)
     name = models.CharField(max_length=255)
+    event = models.ForeignKey(Event, null=True, on_delete=models.SET_NULL, related_name='issue_threads')
     manually_created = models.BooleanField(default=False)
+    related_items = models.ManyToManyField(Item, through='ItemRelation')
 
     def short_uuid(self):
         return self.uuid[:8]
@@ -119,6 +128,17 @@ class Assignment(models.Model):
         return str(self.issue_thread) + ' assigned to ' + self.assigned_to.username
 
 
+class ItemRelation(models.Model):
+    id = models.AutoField(primary_key=True)
+    issue_thread = models.ForeignKey(IssueThread, on_delete=models.CASCADE, related_name='item_relations')
+    item = models.ForeignKey(Item, on_delete=models.CASCADE, related_name='issues')
+    timestamp = models.DateTimeField(auto_now_add=True)
+    status = models.CharField(max_length=255, choices=RELATION_STATUS_CHOICES, default='possible')
+
+    def __str__(self):
+        return str(self.issue_thread) + ' related to ' + str(self.item)
+
+
 class ShippingVoucher(models.Model):
     id = models.AutoField(primary_key=True)
     issue_thread = models.ForeignKey(IssueThread, on_delete=models.CASCADE, related_name='shipping_vouchers', null=True)

core/tickets/serializers.py

@@ -3,6 +3,7 @@ from rest_framework import serializers
 from authentication.models import ExtendedUser
 from mail.api_v2 import AttachmentSerializer
 from tickets.models import IssueThread, Comment, STATE_CHOICES, ShippingVoucher
+from inventory.serializers import ItemSerializer
 
 
 class CommentSerializer(serializers.ModelSerializer):
@@ -40,11 +41,12 @@ class IssueSerializer(serializers.ModelSerializer):
     last_activity = serializers.SerializerMethodField()
     assigned_to = serializers.SlugRelatedField(slug_field='username', queryset=ExtendedUser.objects.all(),
                                                allow_null=True, required=False)
+    related_items = ItemSerializer(many=True, read_only=True)
 
     class Meta:
         model = IssueThread
-        fields = ('id', 'timeline', 'name', 'state', 'assigned_to', 'last_activity', 'uuid')
-        read_only_fields = ('id', 'timeline', 'last_activity', 'uuid')
+        fields = ('id', 'timeline', 'name', 'state', 'assigned_to', 'last_activity', 'uuid', 'related_items')
+        read_only_fields = ('id', 'timeline', 'last_activity', 'uuid', 'related_items')
 
     def to_internal_value(self, data):
         ret = super().to_internal_value(data)
@@ -69,7 +71,9 @@ class IssueSerializer(serializers.ModelSerializer):
             last_mail = self.emails.order_by('-timestamp').first().timestamp if self.emails.count() > 0 else None
             last_assignment = self.assignments.order_by('-timestamp').first().timestamp if \
                 self.assignments.count() > 0 else None
-            args = [x for x in [last_state_change, last_comment, last_mail, last_assignment] if
+            last_relation = self.item_relations.order_by('-timestamp').first().timestamp if \
+                self.item_relations.count() > 0 else None
+            args = [x for x in [last_state_change, last_comment, last_mail, last_assignment, last_relation] if
                     x is not None]
             return max(args)
         except AttributeError:
@@ -110,6 +114,14 @@ class IssueSerializer(serializers.ModelSerializer):
                 'timestamp': assignment.timestamp,
                 'assigned_to': assignment.assigned_to.username,
             })
+        for relation in obj.item_relations.all():
+            timeline.append({
+                'type': 'item_relation',
+                'id': relation.id,
+                'status': relation.status,
+                'timestamp': relation.timestamp,
+                'item': ItemSerializer(relation.item).data,
+            })
         for shipping_voucher in obj.shipping_vouchers.all():
             timeline.append({
                 'type': 'shipping_voucher',

web/src/views/Items.vue

@@ -23,13 +23,15 @@
                 >
                     <template #actions="{ item }">
                         <div class="btn-group">
-                            <button class="btn btn-success" @click.stop="confirm('return Item?') && markItemReturned(item)" title="returned">
+                            <button class="btn btn-success"
+                                    @click.stop="confirm('return Item?') && markItemReturned(item)" title="returned">
                                 <font-awesome-icon icon="check"/>
                             </button>
                             <button class="btn btn-secondary" @click.stop="openEditingModalWith(item)" title="edit">
                                 <font-awesome-icon icon="edit"/>
                             </button>
-                            <button class="btn btn-danger" @click.stop="confirm('delete Item?') && deleteItem(item)" title="delete">
+                            <button class="btn btn-danger" @click.stop="confirm('delete Item?') && deleteItem(item)"
+                                    title="delete">
                                 <font-awesome-icon icon="trash"/>
                             </button>
                         </div>