Add inventory models

inventory/migrations/0001_initial.py

@@ -0,0 +1,50 @@
+# Generated by Django 4.2.7 on 2023-11-18 09:51
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Inventory',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('max_stock', models.IntegerField()),
+                ('min_stock', models.IntegerField()),
+                ('current_stock', models.IntegerField()),
+            ],
+        ),
+        migrations.CreateModel(
+            name='Warehouse',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=255)),
+                ('address', models.TextField()),
+                ('have_freeze', models.BooleanField()),
+            ],
+        ),
+        migrations.CreateModel(
+            name='Item',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=255)),
+                ('description', models.TextField()),
+                ('category', models.CharField(max_length=255)),
+                ('weight', models.DecimalField(decimal_places=3, max_digits=10)),
+                ('quantity', models.IntegerField()),
+                ('inventory', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='inventory.inventory')),
+            ],
+        ),
+        migrations.AddField(
+            model_name='inventory',
+            name='warehouse',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='inventory.warehouse'),
+        ),
+    ]

inventory/models.py

@@ -1,3 +1,48 @@
 from django.db import models
 
-# Create your models here.
+
+class Warehouse(models.Model):
+    """
+    Warehouse is a place where items are stored.
+
+    :param name: Name of the warehouse
+    :param address: Address of the warehouse
+    :param have_freeze: Whether the warehouse have freezer or not
+    """
+    name = models.CharField(max_length=255)
+    address = models.TextField()
+    have_freeze = models.BooleanField()
+
+
+class Inventory(models.Model):
+    """
+    Inventory is in warehouse, It can be a shelf, a room, a container etc.
+
+    :param warehouse: Warehouse that the inventory belongs to
+    :param max_stock: Maximum stock of the inventory
+    :param min_stock: Minimum stock of the inventory
+    :param current_stock: Current stock of the inventory
+    """
+    warehouse = models.ForeignKey(Warehouse, on_delete=models.CASCADE)
+    max_stock = models.IntegerField()
+    min_stock = models.IntegerField()
+    current_stock = models.IntegerField()
+
+
+class Item(models.Model):
+    """
+    Item such as food, drink, furnoture etc.
+
+    :param inventory: Inventory that the item belongs to
+    :param name: Name of the item
+    :param description: Description of the item
+    :param category: Category of the item
+    :param weight: Weight of the item in kg
+    :param quantity: Quantity of the item
+    """
+    inventory = models.ForeignKey(Inventory, on_delete=models.CASCADE)
+    name = models.CharField(max_length=255)
+    description = models.TextField()
+    category = models.CharField(max_length=255)
+    weight = models.DecimalField(max_digits=10, decimal_places=3)
+    quantity = models.IntegerField()