create initial models and mobile test for mojtaba eshaghi

apps/livestock/admin.py

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+from django.contrib import admin
+
+# Register your models here.

apps/livestock/apps.py

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+from django.apps import AppConfig
+
+
+class LivestockConfig(AppConfig):
+    default_auto_field = 'django.db.models.BigAutoField'
+    name = 'apps.livestock'

apps/livestock/management/commands/command.py

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+# Your custom management commands go here.

apps/livestock/migrations/0001_initial.py

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+# Generated by Django 4.2.20 on 2025-05-05 11:54
+
+from django.conf import settings
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+        ('herd', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='LiveStock',
+            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)),
+                ('trash', models.BooleanField(default=False)),
+                ('type', models.CharField(choices=[('L', 'Light'), ('H', 'Heavy')], max_length=1)),
+                ('species', models.CharField(choices=[], max_length=1)),
+                ('birthdate', models.DateTimeField(null=True)),
+                ('gender', models.IntegerField(choices=[(1, 'male'), (2, 'female')], default=1)),
+                ('created_by', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, related_name='%(class)s_createdby', to=settings.AUTH_USER_MODEL)),
+                ('herd', models.ForeignKey(null=True, on_delete=django.db.models.deletion.CASCADE, related_name='live_stock_herd', to='herd.herd')),
+                ('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/livestock/migrations/0002_initial.py

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+# Generated by Django 4.2.20 on 2025-05-05 11:54
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+        ('livestock', '0001_initial'),
+        ('tag', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='livestock',
+            name='tag',
+            field=models.ForeignKey(null=True, on_delete=django.db.models.deletion.CASCADE, related_name='livestock_tag', to='tag.tag'),
+        ),
+    ]

apps/livestock/models.py

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+from apps.core.models import BaseModel
+from apps.herd import models as herd_models
+from apps.tag import models as tag_models
+from django.db import models
+
+
+class LiveStock(BaseModel):
+    herd = models.ForeignKey(
+        herd_models.Herd,
+        on_delete=models.CASCADE,
+        related_name="live_stock_herd",
+        null=True
+    )
+    tag = models.ForeignKey(
+        tag_models.Tag,
+        on_delete=models.CASCADE,
+        related_name='livestock_tag',
+        null=True
+    )
+    types = (
+        ('L', 'Light'),
+        ('H', 'Heavy')
+    )
+    type = models.CharField(max_length=1, choices=types)
+    species_type = (
+        ()
+    )
+    species = models.CharField(max_length=1, choices=species_type)
+    birthdate = models.DateTimeField(null=True)
+    gender_type = (
+        (1, 'male'),
+        (2, 'female')
+    )
+    gender = models.IntegerField(choices=gender_type, default=1)
+
+    def __str__(self):
+        return f'{self.get_species_display()}-{self.get_type_display()}'
+
+    def save(self, *args, **kwargs):
+        super(LiveStock, self).save(*args, **kwargs)

apps/livestock/permissions.py

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+from rest_framework import permissions
+
+
+# example Code
+class AuthorAllStaffAllButEditOrReadOnly(permissions.BasePermission):
+    edit_methods = ("PUT", "PATCH")
+
+    def has_permission(self, request, view):
+        if request.user.is_authenticated:
+            return True
+
+    def has_object_permission(self, request, view, obj):
+        if request.user.is_superuser:
+            return True
+
+        if request.method in permissions.SAFE_METHODS:
+            return True
+
+        if obj.author == request.user:
+            return True
+
+        if request.user.is_staff and request.method not in self.edit_methods:
+            return True
+
+        return False

apps/livestock/services.py

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+# Your services go here

apps/livestock/urls.py

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+# Your urls go here