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6735be9b081ee1b68491136c81d1ed8153dbf2e9
octopus/myproject/inventory/migrations/0001_initial.py
Andrey Smakotin 6735be9b08 feat: Реализовать систему поступления товаров с партиями (IncomingBatch) 
Основные изменения:
- Создана модель IncomingBatch для группировки товаров по документам
- Каждое поступление (Incoming) связано с одной батчем поступления
- Автоматическое создание StockBatch для каждого товара в приходе
- Реализована система нумерации партий (IN-XXXX-XXXX) с поиском максимума в БД
- Обновлены все представления (views) для работы с новой архитектурой
- Добавлены детальные страницы просмотра партий поступлений
- Обновлены шаблоны для отображения информации о партиях и их товарах
- Исправлена логика сигналов для создания StockBatch при приходе товара
- Обновлены формы для работы с новой структурой IncomingBatch

Архитектура FIFO:
- IncomingBatch: одна партия поступления (номер IN-XXXX-XXXX)
- Incoming: товар в партии поступления
- StockBatch: одна партия товара на складе (создается для каждого товара)

Это позволяет системе правильно применять FIFO при продаже товаров.

🤖 Generated with Claude Code

Co-Authored-By: Claude <noreply@anthropic.com>
2025-10-29 03:26:06 +03:00

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# Generated by Django 5.1.4 on 2025-10-28 23:32
import django.db.models.deletion
from django.db import migrations, models
class Migration(migrations.Migration):
initial = True
dependencies = [
('orders', '0001_initial'),
('products', '0001_initial'),
]
operations = [
migrations.CreateModel(
name='Inventory',
fields=[
('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
('date', models.DateTimeField(auto_now_add=True, verbose_name='Дата инвентаризации')),
('status', models.CharField(choices=[('draft', 'Черновик'), ('processing', 'В обработке'), ('completed', 'Завершена')], default='draft', max_length=20, verbose_name='Статус')),
('conducted_by', models.CharField(blank=True, max_length=200, null=True, verbose_name='Провел инвентаризацию')),
('notes', models.TextField(blank=True, null=True, verbose_name='Примечания')),
],
options={
'verbose_name': 'Инвентаризация',
'verbose_name_plural': 'Инвентаризации',
'ordering': ['-date'],
},
),
migrations.CreateModel(
name='InventoryLine',
fields=[
('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
('quantity_system', models.DecimalField(decimal_places=3, max_digits=10, verbose_name='Количество в системе')),
('quantity_fact', models.DecimalField(decimal_places=3, max_digits=10, verbose_name='Фактическое количество')),
('difference', models.DecimalField(decimal_places=3, default=0, editable=False, max_digits=10, verbose_name='Разница (факт - система)')),
('processed', models.BooleanField(default=False, verbose_name='Обработана (создана операция)')),
('inventory', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='lines', to='inventory.inventory', verbose_name='Инвентаризация')),
('product', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='products.product', verbose_name='Товар')),
],
options={
'verbose_name': 'Строка инвентаризации',
'verbose_name_plural': 'Строки инвентаризации',
},
),
migrations.CreateModel(
name='Sale',
fields=[
('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
('quantity', models.DecimalField(decimal_places=3, max_digits=10, verbose_name='Количество')),
('sale_price', models.DecimalField(decimal_places=2, max_digits=10, verbose_name='Цена продажи')),
('document_number', models.CharField(blank=True, max_length=100, null=True, verbose_name='Номер документа')),
('date', models.DateTimeField(auto_now_add=True, verbose_name='Дата операции')),
('processed', models.BooleanField(default=False, verbose_name='Обработана (FIFO применена)')),
('order', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='sales', to='orders.order', verbose_name='Заказ')),
('product', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='sales', to='products.product', verbose_name='Товар')),
],
options={
'verbose_name': 'Продажа',
'verbose_name_plural': 'Продажи',
'ordering': ['-date'],
},
),
migrations.CreateModel(
name='StockBatch',
fields=[
('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
('quantity', models.DecimalField(decimal_places=3, max_digits=10, verbose_name='Количество')),
('cost_price', models.DecimalField(decimal_places=2, max_digits=10, verbose_name='Закупочная цена')),
('is_active', models.BooleanField(default=True, verbose_name='Активна')),
('created_at', models.DateTimeField(auto_now_add=True, verbose_name='Дата создания')),
('updated_at', models.DateTimeField(auto_now=True, verbose_name='Дата обновления')),
('product', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='stock_batches', to='products.product', verbose_name='Товар')),
],
options={
'verbose_name': 'Партия товара',
'verbose_name_plural': 'Партии товаров',
'ordering': ['created_at'],
},
),
migrations.CreateModel(
name='SaleBatchAllocation',
fields=[
('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
('quantity', models.DecimalField(decimal_places=3, max_digits=10, verbose_name='Количество')),
('cost_price', models.DecimalField(decimal_places=2, max_digits=10, verbose_name='Закупочная цена')),
('sale', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='batch_allocations', to='inventory.sale', verbose_name='Продажа')),
('batch', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='sale_allocations', to='inventory.stockbatch', verbose_name='Партия')),
],
options={
'verbose_name': 'Распределение продажи по партиям',
'verbose_name_plural': 'Распределения продаж по партиям',
},
),
migrations.CreateModel(
name='Warehouse',
fields=[
('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
('name', models.CharField(max_length=200, verbose_name='Название')),
('description', models.TextField(blank=True, null=True, verbose_name='Описание')),
('is_active', models.BooleanField(default=True, verbose_name='Активен')),
('created_at', models.DateTimeField(auto_now_add=True, verbose_name='Дата создания')),
('updated_at', models.DateTimeField(auto_now=True, verbose_name='Дата обновления')),
],
options={
'verbose_name': 'Склад',
'verbose_name_plural': 'Склады',
'indexes': [models.Index(fields=['is_active'], name='inventory_w_is_acti_3ddeac_idx')],
},
),
migrations.AddField(
model_name='stockbatch',
name='warehouse',
field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='stock_batches', to='inventory.warehouse', verbose_name='Склад'),
),
migrations.CreateModel(
name='Stock',
fields=[
('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
('quantity_available', models.DecimalField(decimal_places=3, default=0, editable=False, max_digits=10, verbose_name='Доступное количество')),
('quantity_reserved', models.DecimalField(decimal_places=3, default=0, editable=False, max_digits=10, verbose_name='Зарезервированное количество')),
('updated_at', models.DateTimeField(auto_now=True, verbose_name='Дата обновления')),
('product', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='stocks', to='products.product', verbose_name='Товар')),
('warehouse', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='stocks', to='inventory.warehouse', verbose_name='Склад')),
],
options={
'verbose_name': 'Остаток на складе',
'verbose_name_plural': 'Остатки на складе',
},
),
migrations.AddField(
model_name='sale',
name='warehouse',
field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='sales', to='inventory.warehouse', verbose_name='Склад'),
),
migrations.CreateModel(
name='Reservation',
fields=[
('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
('quantity', models.DecimalField(decimal_places=3, max_digits=10, verbose_name='Количество')),
('status', models.CharField(choices=[('reserved', 'Зарезервирован'), ('released', 'Освобожден'), ('converted_to_sale', 'Преобразован в продажу')], default='reserved', max_length=20, verbose_name='Статус')),
('reserved_at', models.DateTimeField(auto_now_add=True, verbose_name='Дата резервирования')),
('released_at', models.DateTimeField(blank=True, null=True, verbose_name='Дата освобождения')),
('converted_at', models.DateTimeField(blank=True, null=True, verbose_name='Дата преобразования в продажу')),
('order_item', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, related_name='reservations', to='orders.orderitem', verbose_name='Позиция заказа')),
('product', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='reservations', to='products.product', verbose_name='Товар')),
('warehouse', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='reservations', to='inventory.warehouse', verbose_name='Склад')),
],
options={
'verbose_name': 'Резервирование',
'verbose_name_plural': 'Резервирования',
'ordering': ['-reserved_at'],
},
),
migrations.AddField(
model_name='inventory',
name='warehouse',
field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='inventories', to='inventory.warehouse', verbose_name='Склад'),
),
migrations.CreateModel(
name='IncomingBatch',
fields=[
('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
('document_number', models.CharField(db_index=True, max_length=100, unique=True, verbose_name='Номер документа')),
('supplier_name', models.CharField(blank=True, max_length=200, null=True, verbose_name='Наименование поставщика')),
('notes', models.TextField(blank=True, null=True, verbose_name='Примечания')),
('created_at', models.DateTimeField(auto_now_add=True, verbose_name='Дата создания')),
('updated_at', models.DateTimeField(auto_now=True, verbose_name='Дата обновления')),
('warehouse', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='incoming_batches', to='inventory.warehouse', verbose_name='Склад')),
],
options={
'verbose_name': 'Партия поступления',
'verbose_name_plural': 'Партии поступлений',
'ordering': ['-created_at'],
},
),
migrations.CreateModel(
name='WriteOff',
fields=[
('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
('quantity', models.DecimalField(decimal_places=3, max_digits=10, verbose_name='Количество')),
('reason', models.CharField(choices=[('damage', 'Повреждение'), ('spoilage', 'Порча'), ('shortage', 'Недостача'), ('inventory', 'Инвентаризационная недостача'), ('other', 'Другое')], default='other', max_length=20, verbose_name='Причина')),
('cost_price', models.DecimalField(decimal_places=2, editable=False, max_digits=10, verbose_name='Закупочная цена')),
('document_number', models.CharField(blank=True, max_length=100, null=True, verbose_name='Номер документа')),
('notes', models.TextField(blank=True, null=True, verbose_name='Примечания')),
('date', models.DateTimeField(auto_now_add=True, verbose_name='Дата операции')),
('batch', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='writeoffs', to='inventory.stockbatch', verbose_name='Партия')),
],
options={
'verbose_name': 'Списание',
'verbose_name_plural': 'Списания',
'ordering': ['-date'],
},
),
migrations.CreateModel(
name='Incoming',
fields=[
('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
('quantity', models.DecimalField(decimal_places=3, max_digits=10, verbose_name='Количество')),
('cost_price', models.DecimalField(decimal_places=2, max_digits=10, verbose_name='Закупочная цена')),
('notes', models.TextField(blank=True, null=True, verbose_name='Примечания')),
('created_at', models.DateTimeField(auto_now_add=True, verbose_name='Дата создания')),
('product', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='incomings', to='products.product', verbose_name='Товар')),
('batch', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='items', to='inventory.incomingbatch', verbose_name='Партия')),
('stock_batch', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='incomings', to='inventory.stockbatch', verbose_name='Складская партия')),
],
options={
'verbose_name': 'Товар в поступлении',
'verbose_name_plural': 'Товары в поступлениях',
'ordering': ['-created_at'],
'indexes': [models.Index(fields=['batch'], name='inventory_i_batch_i_c50b63_idx'), models.Index(fields=['product'], name='inventory_i_product_39b00d_idx'), models.Index(fields=['-created_at'], name='inventory_i_created_563ec0_idx')],
'unique_together': {('batch', 'product')},
},
),
migrations.CreateModel(
name='StockMovement',
fields=[
('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
('change', models.DecimalField(decimal_places=3, max_digits=10, verbose_name='Изменение')),
('reason', models.CharField(choices=[('purchase', 'Закупка'), ('sale', 'Продажа'), ('write_off', 'Списание'), ('adjustment', 'Корректировка')], max_length=20, verbose_name='Причина')),
('created_at', models.DateTimeField(auto_now_add=True, verbose_name='Дата создания')),
('order', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='stock_movements', to='orders.order', verbose_name='Заказ')),
('product', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='movements', to='products.product', verbose_name='Товар')),
],
options={
'verbose_name': 'Движение товара',
'verbose_name_plural': 'Движения товаров',
'indexes': [models.Index(fields=['product'], name='inventory_s_product_cbdc37_idx'), models.Index(fields=['created_at'], name='inventory_s_created_05ebf5_idx')],
},
),
migrations.CreateModel(
name='Transfer',
fields=[
('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
('quantity', models.DecimalField(decimal_places=3, max_digits=10, verbose_name='Количество')),
('document_number', models.CharField(blank=True, max_length=100, null=True, verbose_name='Номер документа')),
('date', models.DateTimeField(auto_now_add=True, verbose_name='Дата операции')),
('batch', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='transfers', to='inventory.stockbatch', verbose_name='Партия')),
('new_batch', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='transfer_sources', to='inventory.stockbatch', verbose_name='Новая партия')),
('from_warehouse', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='transfers_from', to='inventory.warehouse', verbose_name='Из склада')),
('to_warehouse', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='transfers_to', to='inventory.warehouse', verbose_name='На склад')),
],
options={
'verbose_name': 'Перемещение',
'verbose_name_plural': 'Перемещения',
'ordering': ['-date'],
'indexes': [models.Index(fields=['from_warehouse', 'to_warehouse'], name='inventory_t_from_wa_578feb_idx'), models.Index(fields=['date'], name='inventory_t_date_e1402d_idx')],
},
),
migrations.AddIndex(
model_name='stockbatch',
index=models.Index(fields=['product', 'warehouse'], name='inventory_s_product_022460_idx'),
),
migrations.AddIndex(
model_name='stockbatch',
index=models.Index(fields=['created_at'], name='inventory_s_created_10279b_idx'),
),
migrations.AddIndex(
model_name='stockbatch',
index=models.Index(fields=['is_active'], name='inventory_s_is_acti_0dd559_idx'),
),
migrations.AddIndex(
model_name='stock',
index=models.Index(fields=['product', 'warehouse'], name='inventory_s_product_112b63_idx'),
),
migrations.AlterUniqueTogether(
name='stock',
unique_together={('product', 'warehouse')},
),
migrations.AddIndex(
model_name='sale',
index=models.Index(fields=['product', 'warehouse'], name='inventory_s_product_084314_idx'),
),
migrations.AddIndex(
model_name='sale',
index=models.Index(fields=['date'], name='inventory_s_date_8972d4_idx'),
),
migrations.AddIndex(
model_name='sale',
index=models.Index(fields=['order'], name='inventory_s_order_i_7d13ea_idx'),
),
migrations.AddIndex(
model_name='reservation',
index=models.Index(fields=['product', 'warehouse'], name='inventory_r_product_fa0d33_idx'),
),
migrations.AddIndex(
model_name='reservation',
index=models.Index(fields=['status'], name='inventory_r_status_806333_idx'),
),
migrations.AddIndex(
model_name='reservation',
index=models.Index(fields=['order_item'], name='inventory_r_order_i_ae991f_idx'),
),
migrations.AddIndex(
model_name='incomingbatch',
index=models.Index(fields=['document_number'], name='inventory_i_documen_679096_idx'),
),
migrations.AddIndex(
model_name='incomingbatch',
index=models.Index(fields=['warehouse'], name='inventory_i_warehou_cc3a73_idx'),
),
migrations.AddIndex(
model_name='incomingbatch',
index=models.Index(fields=['-created_at'], name='inventory_i_created_59ee8b_idx'),
),
migrations.AddIndex(
model_name='writeoff',
index=models.Index(fields=['batch'], name='inventory_w_batch_i_b098ce_idx'),
),
migrations.AddIndex(
model_name='writeoff',
index=models.Index(fields=['date'], name='inventory_w_date_70c7e3_idx'),
),
]
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