first commit

core/apps/shared/admin/__init__.py

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+from .settings import * # noqa

core/apps/shared/admin/settings.py

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+from django.contrib import admin
+from unfold.admin import ModelAdmin, StackedInline
+from core.apps.shared.models import SettingsModel, OptionsModel
+from unfold.contrib.forms.widgets import ArrayWidget
+from django.contrib.postgres.fields import ArrayField
+
+
+class OptionsInline(StackedInline):
+    model = OptionsModel
+    extra = 1
+    formfield_overrides = {
+        ArrayField: {"widget": ArrayWidget},
+    }
+
+
+@admin.register(SettingsModel)
+class SettingsAdmin(ModelAdmin):
+    list_display = ["id", "key"]
+    inlines = [OptionsInline]
+

core/apps/shared/apps.py

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+from django.apps import AppConfig
+
+
+class ModuleConfig(AppConfig):
+    default_auto_field = "django.db.models.BigAutoField"
+    name = "core.apps.shared"

core/apps/shared/enums/__init__.py

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+from enum import Enum
+
+
+class BaseEnum(Enum):
+
+    def choices(self):
+        return [(x.name, x.value) for x in self]
+
+
+class GenderEnum(BaseEnum):
+    MALE = "male"
+    FEMALE = "female"
+
+
+class RoleEnum(BaseEnum):
+    ADMIN = "admin"
+    USER = "user"

core/apps/shared/migrations/0001_initial.py

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+# Generated by Django 5.1.3 on 2025-07-11 15:00
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='SettingsModel',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('key', models.CharField(verbose_name='key')),
+            ],
+            options={
+                'verbose_name': 'Settings',
+                'verbose_name_plural': 'Settings',
+                'db_table': 'settings',
+            },
+        ),
+        migrations.CreateModel(
+            name='OptionsModel',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('key', models.CharField(verbose_name='key')),
+                ('value', models.CharField(verbose_name='value')),
+                ('settings', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='options', to='shared.settingsmodel', verbose_name='settings')),
+            ],
+            options={
+                'verbose_name': 'Options',
+                'verbose_name_plural': 'Options',
+                'db_table': 'options',
+            },
+        ),
+    ]

core/apps/shared/migrations/0002_settingsmodel_created_at_settingsmodel_description_and_more.py

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+# Generated by Django 5.1.3 on 2025-07-12 05:19
+
+import django.contrib.postgres.fields
+import django.utils.timezone
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('shared', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='settingsmodel',
+            name='created_at',
+            field=models.DateTimeField(auto_now_add=True, default=django.utils.timezone.now),
+            preserve_default=False,
+        ),
+        migrations.AddField(
+            model_name='settingsmodel',
+            name='description',
+            field=models.TextField(blank=True, null=True, verbose_name='description'),
+        ),
+        migrations.AddField(
+            model_name='settingsmodel',
+            name='is_public',
+            field=models.BooleanField(default=False, verbose_name='is public'),
+        ),
+        migrations.AddField(
+            model_name='settingsmodel',
+            name='updated_at',
+            field=models.DateTimeField(auto_now=True),
+        ),
+        migrations.AlterField(
+            model_name='optionsmodel',
+            name='key',
+            field=models.CharField(max_length=255, verbose_name='key'),
+        ),
+        migrations.AlterField(
+            model_name='optionsmodel',
+            name='value',
+            field=django.contrib.postgres.fields.ArrayField(base_field=models.CharField(max_length=255, verbose_name='value'), size=None, verbose_name='value'),
+        ),
+    ]

core/apps/shared/models/__init__.py

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+from .settings import * # noqa

core/apps/shared/models/settings.py

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+from django.contrib.postgres.fields import ArrayField
+from django.db import models
+from django.utils.translation import gettext_lazy as _
+from django_core.models import AbstractBaseModel
+
+
+class SettingsModel(AbstractBaseModel):
+    key = models.CharField(_("key"))
+    is_public = models.BooleanField(_("is public"), default=False)
+    description = models.TextField(_("description"), blank=True, null=True)
+
+    class Meta:
+        db_table = "settings"
+        verbose_name = _("Settings")
+        verbose_name_plural = _("Settings")
+
+
+class OptionsModel(models.Model):
+    settings = models.ForeignKey(
+        "SettingsModel", verbose_name=_("settings"), on_delete=models.CASCADE, related_name="options"
+    )
+    key = models.CharField(_("key"), max_length=255)
+    value = ArrayField(
+        models.CharField(_("value"), max_length=255),
+        verbose_name=_("value"),
+    )
+
+    class Meta:
+        db_table = "options"
+        verbose_name = _("Options")
+        verbose_name_plural = _("Options")

core/apps/shared/serializers/__init__.py

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+from .settings import *  # noqa

core/apps/shared/serializers/settings/__init__.py

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+from .settings import * # noqa

core/apps/shared/serializers/settings/settings.py

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+from rest_framework import serializers
+
+
+class ListLanguageSerializer(serializers.Serializer):
+    code = serializers.CharField(read_only=True)
+    name = serializers.CharField(read_only=True)
+    is_default = serializers.BooleanField(read_only=True, default=False)

core/apps/shared/tests/__init__.py

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+from .test_settings import *  # noqa

core/apps/shared/tests/test_settings.py

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+import pytest
+from django.urls import reverse
+from rest_framework.test import APIClient
+
+
+@pytest.fixture
+def api_client():
+    return APIClient()
+
+
+@pytest.fixture
+def settings_urls():
+    return {
+        "languages": reverse("settings-languages"),
+    }
+
+
+def test_languages(api_client, settings_urls):
+    response = api_client.get(settings_urls["languages"])
+    assert response.status_code == 200

core/apps/shared/urls.py

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+from django.urls import path, include
+from rest_framework.routers import DefaultRouter
+from .views import SettingsView
+
+router = DefaultRouter()
+router.register("settings", SettingsView, basename="settings")
+
+
+urlpatterns = [
+    path("", include(router.urls)),
+]

core/apps/shared/utils/__init__.py

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+from .settings import * # noqa

core/apps/shared/utils/settings.py

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+from core.apps.shared.models import OptionsModel
+from typing import Optional
+from django.utils.translation import gettext_lazy as _
+
+
+def get_config(settings: str, key: str, default=None) -> Optional[str]:
+    config = OptionsModel.objects.filter(settings__key=settings, key=key)
+    if not config.exists():
+        return default
+    return config.first().value
+
+
+def get_exchange_rate():
+    exchange_rate = get_config("currency", "exchange_rate")
+    if exchange_rate is None:
+        raise Exception(_("USD kursi kiritilmagan iltimos adminga murojat qiling"))
+    return float(exchange_rate[0]) 

core/apps/shared/views/__init__.py

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+from .settings import *  # noqa

core/apps/shared/views/settings.py

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+from django_core.mixins import BaseViewSetMixin
+from rest_framework.permissions import AllowAny
+from rest_framework.decorators import action
+from rest_framework.viewsets import GenericViewSet
+from django.conf import settings
+from rest_framework.response import Response
+from ..serializers import ListLanguageSerializer
+from drf_spectacular.utils import extend_schema, OpenApiResponse
+from core.apps.shared.models import SettingsModel
+
+
+@extend_schema(tags=["settings"])
+class SettingsView(BaseViewSetMixin, GenericViewSet):
+    permission_classes = [AllowAny]
+
+    def get_serializer_class(self):
+        if self.action in ["languages"]:
+            return ListLanguageSerializer
+        return ListLanguageSerializer
+
+    @extend_schema(responses={200: OpenApiResponse(response=ListLanguageSerializer(many=True))})
+    @action(methods=["GET"], detail=False, url_path="languages", url_name="languages")
+    def languages(self, request):
+        return Response(self.get_serializer(settings.JST_LANGUAGES, many=True).data)
+
+    @extend_schema(
+        summary="Get public settings",
+        responses={
+            200: OpenApiResponse(
+                response={
+                    "type": "object",
+                    "properties": {
+                        "example_key": {
+                            "type": "object",
+                            "properties": {
+                                "example_key": {"type": "array", "items": {"type": "string"}, "example": [12300.50]}
+                            },
+                        }
+                    },
+                }
+            )
+        },
+    )
+    @action(methods=["GET"], detail=False, url_path="config", url_name="config")
+    def config(self, request):
+        config = SettingsModel.objects.filter(is_public=True)
+        response = {}
+        for item in config:
+            config_value = {}
+            for option in item.options.all():
+                config_value[option.key] = option.value
+            response[item.key] = config_value
+        return Response(data=response)