backend added requests

PrINTech-Back/.gitignore

@@ -0,0 +1,5 @@
+back/media/
+
+.venv/
+env/
+__pycache__/

PrINTech-Back/back/apps/api/admin.py

@@ -1,3 +1,5 @@
 from django.contrib import admin
-
+from .models import Operation,User
 # Register your models here.
+admin.site.register(User)
+admin.site.register(Operation)

PrINTech-Back/back/apps/api/migrations/0002_rename_file_id_request_file_remove_file_user_id_and_more.py

@@ -0,0 +1,69 @@
+# Generated by Django 6.0.2 on 2026-04-04 21:37
+
+import django.db.models.deletion
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("api", "0001_initial"),
+    ]
+
+    operations = [
+        migrations.RenameField(
+            model_name="request",
+            old_name="file_id",
+            new_name="file",
+        ),
+        migrations.RemoveField(
+            model_name="file",
+            name="user_id",
+        ),
+        migrations.AddField(
+            model_name="request",
+            name="comment",
+            field=models.TextField(blank=True, null=True),
+        ),
+        migrations.AddField(
+            model_name="request",
+            name="user",
+            field=models.ForeignKey(
+                default=1,
+                on_delete=django.db.models.deletion.CASCADE,
+                to=settings.AUTH_USER_MODEL,
+            ),
+            preserve_default=False,
+        ),
+        migrations.AlterField(
+            model_name="printer",
+            name="type",
+            field=models.CharField(
+                choices=[
+                    ("CREALITY_K1C", "Creality K1C"),
+                    ("SNAPMAKER_U1", "Snapmaker U1"),
+                    ("PRUSA_MK3", "Prusa Mk3"),
+                ],
+                max_length=25,
+            ),
+        ),
+        migrations.AlterField(
+            model_name="request",
+            name="status",
+            field=models.CharField(
+                choices=[
+                    ("SUBMITTED", "Submitted"),
+                    ("AWAITING_PAYMENT", "Awaiting Payment"),
+                    ("PENDING", "Pending"),
+                    ("PRINTING", "Printing"),
+                    ("AWAITING_PICKUP", "Awaiting Pickup"),
+                    ("PICKED_UP", "Picked Up"),
+                    ("FAILED", "Failed"),
+                    ("CANCELED", "Canceled"),
+                ],
+                default="PENDING",
+                max_length=25,
+            ),
+        ),
+    ]

PrINTech-Back/back/apps/api/migrations/0003_rename_printer_id_request_printer_alter_request_file.py

@@ -0,0 +1,26 @@
+# Generated by Django 6.0.2 on 2026-04-04 21:43
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("api", "0002_rename_file_id_request_file_remove_file_user_id_and_more"),
+    ]
+
+    operations = [
+        migrations.RenameField(
+            model_name="request",
+            old_name="printer_id",
+            new_name="printer",
+        ),
+        migrations.AlterField(
+            model_name="request",
+            name="file",
+            field=models.ForeignKey(
+                null=True, on_delete=django.db.models.deletion.CASCADE, to="api.file"
+            ),
+        ),
+    ]

PrINTech-Back/back/apps/api/migrations/0004_remove_file_filament_id_file_filament.py

@@ -0,0 +1,22 @@
+# Generated by Django 6.0.2 on 2026-04-04 22:50
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("api", "0003_rename_printer_id_request_printer_alter_request_file"),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name="file",
+            name="filament_id",
+        ),
+        migrations.AddField(
+            model_name="file",
+            name="filament",
+            field=models.ManyToManyField(null=True, to="api.filament"),
+        ),
+    ]

PrINTech-Back/back/apps/api/migrations/0005_remove_file_filament_file_filament.py

@@ -0,0 +1,27 @@
+# Generated by Django 6.0.2 on 2026-04-04 23:16
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("api", "0004_remove_file_filament_id_file_filament"),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name="file",
+            name="filament",
+        ),
+        migrations.AddField(
+            model_name="file",
+            name="filament",
+            field=models.ForeignKey(
+                null=True,
+                on_delete=django.db.models.deletion.CASCADE,
+                to="api.filament",
+            ),
+        ),
+    ]

PrINTech-Back/back/apps/api/migrations/0006_operation_request_alter_operation_operation_type.py

@@ -0,0 +1,29 @@
+# Generated by Django 6.0.2 on 2026-04-05 12:15
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("api", "0005_remove_file_filament_file_filament"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="operation",
+            name="request",
+            field=models.OneToOneField(
+                null=True, on_delete=django.db.models.deletion.CASCADE, to="api.request"
+            ),
+        ),
+        migrations.AlterField(
+            model_name="operation",
+            name="operation_type",
+            field=models.CharField(
+                choices=[("CASH", "Cash"), ("CARD", "Card"), ("PAYMENT", "Payment")],
+                max_length=25,
+            ),
+        ),
+    ]

PrINTech-Back/back/apps/api/migrations/0007_rename_agent_id_operation_agent_and_more.py

@@ -0,0 +1,36 @@
+# Generated by Django 6.0.2 on 2026-04-05 13:23
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("api", "0006_operation_request_alter_operation_operation_type"),
+    ]
+
+    operations = [
+        migrations.RenameField(
+            model_name="operation",
+            old_name="agent_id",
+            new_name="agent",
+        ),
+        migrations.RenameField(
+            model_name="operation",
+            old_name="beneficiary_id",
+            new_name="beneficiary",
+        ),
+        migrations.AlterField(
+            model_name="operation",
+            name="operation_type",
+            field=models.CharField(
+                choices=[
+                    ("CASH", "Cash"),
+                    ("CARD", "Card"),
+                    ("PAYMENT", "Payment"),
+                    ("REFUND", "Refund"),
+                ],
+                max_length=25,
+            ),
+        ),
+    ]

PrINTech-Back/back/apps/api/migrations/0008_alter_filament_type_alter_operation_request.py

@@ -0,0 +1,28 @@
+# Generated by Django 6.0.2 on 2026-04-05 16:50
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("api", "0007_rename_agent_id_operation_agent_and_more"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="filament",
+            name="type",
+            field=models.CharField(
+                choices=[("PLA", "Pla"), ("PETG", "Petg")], max_length=25
+            ),
+        ),
+        migrations.AlterField(
+            model_name="operation",
+            name="request",
+            field=models.ForeignKey(
+                null=True, on_delete=django.db.models.deletion.CASCADE, to="api.request"
+            ),
+        ),
+    ]

PrINTech-Back/back/apps/api/migrations/0009_remove_filament_colour_remove_printer_id_and_more.py

@@ -0,0 +1,65 @@
+# Generated by Django 6.0.2 on 2026-04-05 20:10
+
+import django.core.validators
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("api", "0008_alter_filament_type_alter_operation_request"),
+    ]
+
+    operations = [
+        migrations.RunSQL(
+            "ALTER TABLE api_request DROP CONSTRAINT IF EXISTS api_request_printer_id_27fa4698_fk_api_printer_id;",
+            reverse_sql=migrations.RunSQL.noop,
+        ),
+        migrations.RemoveField(
+            model_name="filament",
+            name="colour",
+        ),
+        migrations.RemoveField(
+            model_name="printer",
+            name="id",
+        ),
+        migrations.RemoveField(
+            model_name="printer",
+            name="type",
+        ),
+        migrations.AddField(
+            model_name="filament",
+            name="color",
+            field=models.CharField(
+                default="#ffffff",
+                max_length=7,
+                validators=[
+                    django.core.validators.RegexValidator(
+                        "^#([A-Fa-f0-9]{6}|[A-Fa-f0-9]{3})$"
+                    )
+                ],
+            ),
+        ),
+        migrations.AddField(
+            model_name="filament",
+            name="color_name",
+            field=models.TextField(default=1),
+            preserve_default=False,
+        ),
+        migrations.AddField(
+            model_name="printer",
+            name="name",
+            field=models.CharField(
+                choices=[
+                    ("CREALITY_K1C", "Creality K1C"),
+                    ("SNAPMAKER_U1", "Snapmaker U1"),
+                    ("PRUSA_MK3", "Prusa Mk3"),
+                ],
+                default=1,
+                max_length=25,
+                primary_key=True,
+                serialize=False,
+            ),
+            preserve_default=False,
+        ),
+    ]