some first models of pos & add required to attributes

Rasaddam_Backend/settings.py

@@ -254,6 +254,15 @@ CACHES = {
     }
 }
 
+CHANNEL_LAYERS = {
+    "default": {
+        "BACKEND": "channels_redis.core.RedisChannelLayer",
+        "CONFIG": {
+            "hosts": [("redis://:ydnW4hwzuDRYcTX3FWCHgQ1f@apo.liara.cloud:33740/0")],
+        },
+    },
+}
+
 REST_CAPTCHA = {
     'CAPTCHA_CACHE': 'default',
     'CAPTCHA_TIMEOUT': 300,  # 5 minutes

apps/authentication/migrations/0027_remove_organizationstats_total_buyers_and_more.py

@@ -0,0 +1,32 @@
+# Generated by Django 5.0 on 2025-07-20 08:59
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('authentication', '0026_organizationstats'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='organizationstats',
+            name='total_buyers',
+        ),
+        migrations.AddField(
+            model_name='organizationstats',
+            name='active_quotas_weight',
+            field=models.PositiveBigIntegerField(default=0),
+        ),
+        migrations.AddField(
+            model_name='organizationstats',
+            name='closed_quotas_weight',
+            field=models.PositiveBigIntegerField(default=0),
+        ),
+        migrations.AddField(
+            model_name='organizationstats',
+            name='total_quotas_weight',
+            field=models.PositiveBigIntegerField(default=0),
+        ),
+    ]

apps/authentication/models.py

@@ -143,10 +143,12 @@ class OrganizationStats(BaseModel):
         null=True
     )
     total_quota_received = models.PositiveBigIntegerField(default=0)
+    active_quotas_weight = models.PositiveBigIntegerField(default=0)
+    closed_quotas_weight = models.PositiveBigIntegerField(default=0)
+    total_quotas_weight = models.PositiveBigIntegerField(default=0)
     total_distributed = models.PositiveBigIntegerField(default=0)
     total_inventory_in = models.PositiveBigIntegerField(default=0)
     total_sold = models.PositiveBigIntegerField(default=0)
-    total_buyers = models.PositiveBigIntegerField(default=0)
 
     def __str__(self):
         return f'Organization: {self.organization.name}'

apps/authentication/signals.py

@@ -1,11 +1,43 @@
 from django.db.models import Sum
 from apps.product.models import QuotaDistribution
 from apps.warehouse.models import InventoryQuotaSaleTransaction
+from apps.authentication.models import Organization, OrganizationStats
 from django.db.models.signals import post_save, post_delete
 from django.dispatch import receiver
 
 
+def update_organization_stats(instance: Organization):
+    """ update all stats of organization from quota """
+
+    if hasattr(instance, 'stats'):
+        stat = instance.stats
+    else:
+        stat = OrganizationStats.objects.create(organization=instance)
+
+    # set organization stats from quotas, distributions transactions & etc
+    stat.total_quota_received = instance.assigned_quotas.count()
+    stat.active_quotas_weight = instance.assigned_quotas.filter(is_closed=False).count()
+    stat.closed_quotas_weight = instance.assigned_quotas.filter(is_closed=True).count()
+    stat.total_distributed = instance.distributions.count()
+    stat.total_inventory_in = instance.inventory.count()
+    stat.total_sold = instance.distributions.all().aggregate(
+        total_sold=Sum('been_sold')
+    )['total_sold'] or 0
+
+    stat.save(update_fields=[
+        "total_quota_received",
+        "active_quotas_weight",
+        "closed_quotas_weight",
+        "total_distributed",
+        "total_inventory_in",
+        "total_sold",
+    ])
+
+
 @receiver([post_save, post_delete], sender=QuotaDistribution)
 @receiver([post_save, post_delete], sender=InventoryQuotaSaleTransaction)
-def update_organization_stats(sender, instance, **kwargs):
-    pass
+def organization_stats(sender, instance, **kwargs):
+    if sender == QuotaDistribution:
+        update_organization_stats(instance.assigned_organization)
+    elif sender == InventoryQuotaSaleTransaction:
+        update_organization_stats(instance.inventory_entry.organization)

apps/authentication/websocket/consumer.py

@@ -24,7 +24,42 @@ class MyConsumer(AsyncWebsocketConsumer):
         unit = await get_unit(int(message))
         print("Received:", message)
 
-        # پاسخ به کلاینت
         await self.send(text_data=json.dumps({
-            "message": unit
+            "message": unit.unit
         }))
+
+
+class SendFromServerConsumer(AsyncWebsocketConsumer):
+    async def connect(self):
+        self.group_name = 'mojtaba_group'  # noqa
+        await self.channel_layer.group_add(
+            self.group_name,
+            self.channel_name
+        )
+        await self.accept()
+        await self.send(text_data=json.dumps({"message": "Connected!"}))
+
+    async def disconnect(self, code):
+        await self.channel_layer.group_discard(
+            self.group_name,
+            self.channel_name
+        )
+
+    async def receive(self, text_data=None, bytes_data=None):
+        data = json.loads(text_data)
+        msg = data.get("message", "")
+
+        await self.channel_layer.group_send(
+            self.group_name,
+            {
+                "type": "chat.message",
+                "message": msg
+            }
+        )
+
+    async def chat_message(self, event):
+        message = event['message']
+        await self.send(text_data=json.dumps({
+            "message": message
+        }))
+

apps/authentication/websocket/routing.py

@@ -2,5 +2,5 @@ from django.urls import re_path
 from apps.authentication.websocket import consumer
 
 websocket_urlpatterns = [
-    re_path(r"ws/somepath/$", consumer.MyConsumer.as_asgi()),
+    re_path(r"ws/somepath/$", consumer.SendFromServerConsumer.as_asgi()),
 ]

apps/pos_device/migrations/0002_device_acceptor_device_company_device_latitude_and_more.py

@@ -0,0 +1,92 @@
+# Generated by Django 5.0 on 2025-07-21 06:06
+
+import django.db.models.deletion
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('pos_device', '0001_initial'),
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='device',
+            name='acceptor',
+            field=models.IntegerField(default=0),
+        ),
+        migrations.AddField(
+            model_name='device',
+            name='company',
+            field=models.ForeignKey(null=True, on_delete=django.db.models.deletion.CASCADE, related_name='devices', to='pos_device.paymentcompany'),
+        ),
+        migrations.AddField(
+            model_name='device',
+            name='latitude',
+            field=models.DecimalField(decimal_places=10, max_digits=20, null=True),
+        ),
+        migrations.AddField(
+            model_name='device',
+            name='longitude',
+            field=models.DecimalField(decimal_places=10, max_digits=20, null=True),
+        ),
+        migrations.AddField(
+            model_name='device',
+            name='multi_device',
+            field=models.BooleanField(default=False),
+        ),
+        migrations.AddField(
+            model_name='device',
+            name='password',
+            field=models.CharField(max_length=25, null=True),
+        ),
+        migrations.AddField(
+            model_name='device',
+            name='serial',
+            field=models.TextField(null=True),
+        ),
+        migrations.AddField(
+            model_name='device',
+            name='server_in',
+            field=models.BooleanField(default=False),
+        ),
+        migrations.AddField(
+            model_name='device',
+            name='terminal',
+            field=models.IntegerField(default=0),
+        ),
+        migrations.AddField(
+            model_name='paymentcompany',
+            name='activation',
+            field=models.BooleanField(default=False),
+        ),
+        migrations.AddField(
+            model_name='paymentcompany',
+            name='name_en',
+            field=models.CharField(max_length=250, null=True),
+        ),
+        migrations.AddField(
+            model_name='paymentcompany',
+            name='name_fa',
+            field=models.CharField(max_length=250, null=True),
+        ),
+        migrations.CreateModel(
+            name='DeviceVersion',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('create_date', models.DateTimeField(auto_now_add=True)),
+                ('modify_date', models.DateTimeField(auto_now=True)),
+                ('creator_info', models.CharField(max_length=100, null=True)),
+                ('modifier_info', models.CharField(max_length=100, null=True)),
+                ('trash', models.BooleanField(default=False)),
+                ('created_by', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, related_name='%(class)s_createddby', to=settings.AUTH_USER_MODEL)),
+                ('modified_by', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, related_name='%(class)s_modifiedby', to=settings.AUTH_USER_MODEL)),
+            ],
+            options={
+                'abstract': False,
+            },
+        ),
+    ]

apps/pos_device/models.py

@@ -3,10 +3,41 @@ from apps.core.models import BaseModel
 
 
 class PaymentCompany(BaseModel):
-    pass
+    name_fa = models.CharField(max_length=250, null=True)
+    name_en = models.CharField(max_length=250, null=True)
+    activation = models.BooleanField(default=False)
+
+    def __str__(self):
+        return f'Payment Company: {self.name_fa}-{self.id}'
+
+    def save(self, *args, **kwargs):
+        return super(PaymentCompany, self).save(*args, **kwargs)
 
 
 class Device(BaseModel):
+    acceptor = models.IntegerField(default=0)
+    terminal = models.IntegerField(default=0)
+    serial = models.TextField(null=True)
+    password = models.CharField(max_length=25, null=True)
+    multi_device = models.BooleanField(default=False)
+    server_in = models.BooleanField(default=False)
+    latitude = models.DecimalField(max_digits=20, decimal_places=10, null=True)
+    longitude = models.DecimalField(max_digits=20, decimal_places=10, null=True)
+    company = models.ForeignKey(
+        PaymentCompany,
+        on_delete=models.CASCADE,
+        related_name='devices',
+        null=True
+    )
+
+    def __str__(self):
+        return f'Device: {self.serial} - {self.id}'
+
+    def save(self, *args, **kwargs):
+        return super(Device, self).save(*args, **kwargs)
+
+
+class DeviceVersion(BaseModel):
     pass
 
 

apps/product/migrations/0052_remove_productstats_total_quota_and_more.py

@@ -0,0 +1,47 @@
+# Generated by Django 5.0 on 2025-07-20 08:59
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('product', '0051_quotabrokervalue_value'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='productstats',
+            name='total_quota',
+        ),
+        migrations.AddField(
+            model_name='productstats',
+            name='active_quotas_weight',
+            field=models.PositiveBigIntegerField(default=0),
+        ),
+        migrations.AddField(
+            model_name='productstats',
+            name='closed_quotas_weight',
+            field=models.PositiveBigIntegerField(default=0),
+        ),
+        migrations.AddField(
+            model_name='productstats',
+            name='quotas_number',
+            field=models.PositiveBigIntegerField(default=0),
+        ),
+        migrations.AddField(
+            model_name='productstats',
+            name='total_distributed_weight',
+            field=models.PositiveBigIntegerField(default=0),
+        ),
+        migrations.AddField(
+            model_name='productstats',
+            name='total_quota_weight',
+            field=models.PositiveBigIntegerField(default=0),
+        ),
+        migrations.AddField(
+            model_name='productstats',
+            name='total_warehouse_entry',
+            field=models.PositiveBigIntegerField(default=0),
+        ),
+    ]

apps/product/migrations/0053_attribute_required.py

@@ -0,0 +1,18 @@
+# Generated by Django 5.0 on 2025-07-21 06:06
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('product', '0052_remove_productstats_total_quota_and_more'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='attribute',
+            name='required',
+            field=models.BooleanField(default=False),
+        ),
+    ]

apps/product/models.py

@@ -141,8 +141,13 @@ class ProductStats(BaseModel):
         related_name='stats',
         null=True
     )
-    total_quota = models.PositiveBigIntegerField(default=0)
+    quotas_number = models.PositiveBigIntegerField(default=0)
+    active_quotas_weight = models.PositiveBigIntegerField(default=0)
+    closed_quotas_weight = models.PositiveBigIntegerField(default=0)
+    total_quota_weight = models.PositiveBigIntegerField(default=0)
     total_remaining = models.PositiveBigIntegerField(default=0)
+    total_distributed_weight = models.PositiveBigIntegerField(default=0)
+    total_warehouse_entry = models.PositiveBigIntegerField(default=0)
     total_sold = models.PositiveBigIntegerField(default=0)
     total_transactions = models.PositiveBigIntegerField(default=0)
 
@@ -150,7 +155,7 @@ class ProductStats(BaseModel):
         return f'Product: {self.product.name}-{self.product.id} stats'
 
     def save(self, *args, **kwargs):
-        return super(ProductStats).save(*args, **kwargs)
+        return super(ProductStats, self).save(*args, **kwargs)
 
 
 class Attribute(BaseModel):
@@ -170,7 +175,7 @@ class Attribute(BaseModel):
         related_name="attributes",
         null=True
     )
-
+    required = models.BooleanField(default=False)
     is_global = models.BooleanField(default=False)
 
     def __str__(self):

apps/product/signals.py

@@ -1,8 +1,18 @@
 from django.db.models import Sum
 from django.db.models.signals import post_save, post_delete
 from django.dispatch import receiver
-from .models import QuotaDistribution, Quota, Product
-from apps.warehouse.models import InventoryQuotaSaleTransaction
+from .models import (
+    QuotaDistribution,
+    Quota,
+    Product,
+    ProductStats,
+    QuotaStats
+)
+from apps.warehouse.models import (
+    InventoryQuotaSaleTransaction,
+    InventoryEntry
+)
+from django.db import models
 
 
 def recalculate_remaining_amount(quota):
@@ -22,15 +32,113 @@ def update_quota_remaining(sender, instance, **kwargs):
 
 
 def update_product_stats(instance: Product):
-    pass
+    """ update all stats of product  """
+
+    if hasattr(instance, 'stats'):
+        stat = instance.stats
+    else:
+        stat = ProductStats.objects.create(product=instance)
+
+    # number of quotas
+    quotas_count = instance.quotas.filter(is_closed=False).count()  # noqa
+
+    # total weight of product that assigned in quota
+    active_quotas_weight = instance.quotas.filter(is_closed=False).aggregate(
+        total=models.Sum('quota_weight')
+    )['total'] or 0
+
+    closed_quotas_weight = instance.quotas.filter(is_closed=True).aggregate(  # noqa
+        total=models.Sum('quota_weight')
+    )['total'] or 0
+
+    total_quotas_weight = instance.quotas.all().aggregate(  # noqa
+        total=models.Sum('quota_weight')
+    )['total'] or 0
+
+    # total remaining weight of product quotas
+    total_remaining_quotas_weight = instance.quotas.filter(is_closed=False).aggregate(  # noqa
+        total=models.Sum('remaining_weight')
+    )['total'] or 0
+
+    # product total distributed weight from quota
+    total_distributed_weight = QuotaDistribution.objects.filter(
+        quota__product_id=instance.id,
+        quota__is_closed=False
+    ).aggregate(total_weight=models.Sum('weight'))['total_weight'] or 0
+
+    # total sold of product from quota
+    total_sold = QuotaDistribution.objects.filter(
+        quota__product_id=instance.id,
+        quota__is_closed=False
+    ).aggregate(total_sold=models.Sum('been_sold'))['total_sold'] or 0
+
+    # total entry from product to inventory
+    total_warehouse_entry = QuotaDistribution.objects.filter(
+        quota__product_id=instance.id,
+        quota__is_closed=False
+    ).aggregate(total_entry=models.Sum('warehouse_entry'))['total_entry'] or 0
+
+    stat.quotas_number = quotas_count
+    stat.active_quotas_weight = active_quotas_weight
+    stat.closed_quotas_weight = closed_quotas_weight
+    stat.total_quota_weight = total_quotas_weight
+    stat.total_remaining = total_remaining_quotas_weight
+    stat.total_distributed_weight = total_distributed_weight
+    stat.total_warehouse_entry = total_warehouse_entry
+    stat.total_sold = total_sold
+    stat.save(update_fields=[
+        "quotas_number",
+        "active_quotas_weight",
+        "closed_quotas_weight",
+        "total_quota_weight",
+        "total_remaining",
+        "total_distributed_weight",
+        "total_warehouse_entry",
+        "total_sold",
+    ])
 
 
 def update_quota_stats(instance: Quota):
-    pass
+    """ update all stats of quota """
+
+    if hasattr(instance, 'stats'):
+        stat = instance.stats
+    else:
+        stat = QuotaStats.objects.create(quota=instance)
+
+    total_distributed = instance.quota_distributed
+    total_remaining = instance.remaining_weight
+
+    # total entry to inventory from quota
+    total_inventory = InventoryEntry.objects.filter(
+        distribution__quota=instance
+    ).aggregate(
+        total_inventory=models.Sum('weight')
+    )['total_inventory'] or 0
+
+    # total sale of distributions from quota
+    total_sale = instance.distributions_assigned.filter(
+        quota__is_closed=False
+    ).aggregate(total_sale=models.Sum('been_sold'))['total_sale'] or 0
+
+    stat.total_distributed = total_distributed
+    stat.remaining = total_remaining
+    stat.total_inventory = total_inventory
+    stat.total_sale = total_sale
+    stat.save(update_fields=[
+        "total_distributed",
+        "remaining",
+        "total_inventory",
+        "total_sale",
+    ])
 
 
 @receiver([post_save, post_delete], sender=QuotaDistribution)
 @receiver([post_save, post_delete], sender=InventoryQuotaSaleTransaction)
 def update_stats_on_change(sender, instance, **kwargs):
-    update_product_stats(instance)
-    update_quota_stats(instance)
+    if sender == QuotaDistribution:
+        update_product_stats(instance.quota.product)
+        update_quota_stats(instance.quota)
+    elif sender == InventoryQuotaSaleTransaction:
+        update_product_stats(instance.quota_distribution.quota.product)
+        update_quota_stats(instance.quota_distribution.quota)

apps/warehouse/migrations/0012_inventoryentry_balance.py

@@ -0,0 +1,18 @@
+# Generated by Django 5.0 on 2025-07-20 08:59
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('warehouse', '0011_inventoryquotasaletransaction'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='inventoryentry',
+            name='balance',
+            field=models.PositiveBigIntegerField(default=0),
+        ),
+    ]

apps/warehouse/models.py

@@ -18,7 +18,7 @@ class InventoryEntry(BaseModel):
         null=True
     )
     weight = models.PositiveBigIntegerField(default=0)
-    balance = models
+    balance = models.PositiveBigIntegerField(default=0)
     lading_number = models.CharField(max_length=50, null=True)
     delivery_address = models.TextField(blank=True, null=True)
     document = models.CharField(max_length=250, null=True)