the thing

library_api/api_v1/admin.py

@@ -0,0 +1,71 @@
+# garden/admin.py
+from django.contrib import admin
+from .models import Plant, Greenhouse
+
+
+class PlantInline(admin.TabularInline):
+    """Позволяет редактировать растения прямо на странице теплицы."""
+    model = Plant
+    extra = 0
+    fields = (
+        "name",
+        "species",
+        "family",
+        "height_cm",
+        "is_flowering",
+        "endangered",
+    )
+    show_change_link = True
+
+
+@admin.register(Greenhouse)
+class GreenhouseAdmin(admin.ModelAdmin):
+    list_display = ("id", "name", "location", "climate_zone", "plant_count")
+    list_filter = ("climate_zone",)
+    search_fields = ("name", "location")
+    ordering = ("name",)
+    inlines = [PlantInline]
+
+    @admin.display(description="Кол-во растений")
+    def plant_count(self, obj):
+        return obj.plants.count()
+
+
+@admin.register(Plant)
+class PlantAdmin(admin.ModelAdmin):
+    list_display = (
+        "id",
+        "name",
+        "species",
+        "family",
+        "greenhouse",
+        "height_cm",
+        "is_flowering",
+        "endangered",
+        "planted_at",
+    )
+    list_filter = (
+        "greenhouse",
+        "family",
+        "is_flowering",
+        "endangered",
+        "origin_country",
+    )
+    search_fields = ("name", "species", "family", "origin_country")
+    date_hierarchy = "planted_at"
+    ordering = ("-planted_at",)
+    list_select_related = ("greenhouse",)
+    autocomplete_fields = ("greenhouse",)
+    list_per_page = 25
+
+    fieldsets = (
+        ("Основное", {
+            "fields": ("name", "species", "family", "greenhouse")
+        }),
+        ("Характеристики", {
+            "fields": ("height_cm", "watering_frequency_days", "is_flowering", "endangered")
+        }),
+        ("Происхождение", {
+            "fields": ("planted_at", "origin_country")
+        }),
+    )

library_api/api_v1/apps.py

@@ -0,0 +1,5 @@
+from django.apps import AppConfig
+
+
+class ApiV1Config(AppConfig):
+    name = 'api_v1'

library_api/api_v1/migrations/0001_initial.py

@@ -0,0 +1,40 @@
+# Generated by Django 6.1.1 on 2026-09-07 00:26
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Greenhouse',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=100)),
+                ('location', models.CharField(max_length=200)),
+                ('climate_zone', models.CharField(choices=[('tropical', 'Тропики'), ('temperate', 'Умеренная'), ('arid', 'Аридная')], max_length=20)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='Plant',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=150)),
+                ('species', models.CharField(max_length=150)),
+                ('family', models.CharField(blank=True, max_length=100)),
+                ('height_cm', models.FloatField()),
+                ('watering_frequency_days', models.PositiveIntegerField()),
+                ('is_flowering', models.BooleanField(default=False)),
+                ('planted_at', models.DateField()),
+                ('origin_country', models.CharField(blank=True, max_length=100)),
+                ('endangered', models.BooleanField(default=False)),
+                ('greenhouse', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='plants', to='api_v1.greenhouse')),
+            ],
+        ),
+    ]

library_api/api_v1/models.py

@@ -0,0 +1,28 @@
+from django.db import models
+
+class Greenhouse(models.Model):
+    name = models.CharField(max_length=100)
+    location = models.CharField(max_length=200)
+    climate_zone = models.CharField(
+        max_length=20,
+        choices=[("tropical", "Тропики"), ("temperate", "Умеренная"), ("arid", "Аридная")]
+    )
+
+    def __str__(self):
+        return self.name
+
+
+class Plant(models.Model):
+    name = models.CharField(max_length=150)
+    species = models.CharField(max_length=150)
+    family = models.CharField(max_length=100, blank=True)
+    greenhouse = models.ForeignKey(Greenhouse, on_delete=models.CASCADE, related_name="plants")
+    height_cm = models.FloatField()
+    watering_frequency_days = models.PositiveIntegerField()
+    is_flowering = models.BooleanField(default=False)
+    planted_at = models.DateField()
+    origin_country = models.CharField(max_length=100, blank=True)
+    endangered = models.BooleanField(default=False)
+
+    def __str__(self):
+        return self.name

library_api/api_v1/serializers.py

@@ -0,0 +1,15 @@
+from rest_framework import serializers
+from .models import Plant, Greenhouse
+
+class PlantSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = Plant
+        fields = "__all__"
+
+
+class GreenhouseSerializer(serializers.ModelSerializer):
+    plants = PlantSerializer(many=True, read_only=True)
+
+    class Meta:
+        model = Greenhouse
+        fields = "__all__"

library_api/api_v1/tests.py

@@ -0,0 +1,3 @@
+from django.test import TestCase
+
+# Create your tests here.

library_api/api_v1/urls.py

@@ -0,0 +1,8 @@
+from rest_framework.routers import DefaultRouter
+from .views import PlantViewSet, GreenhouseViewSet
+
+router = DefaultRouter()
+router.register(r"plants", PlantViewSet)
+router.register(r"greenhouses", GreenhouseViewSet)
+
+urlpatterns = router.urls

library_api/api_v1/views.py

@@ -0,0 +1,84 @@
+# views.py
+from rest_framework import viewsets, status
+from rest_framework.decorators import action
+from rest_framework.response import Response
+from .models import Plant, Greenhouse
+from .serializers import PlantSerializer, GreenhouseSerializer
+
+
+class PlantViewSet(viewsets.ModelViewSet):
+    queryset = Plant.objects.all()
+    serializer_class = PlantSerializer
+
+    def get_queryset(self):
+        qs = Plant.objects.all()
+        params = self.request.query_params
+
+        greenhouse = params.get("greenhouse")
+        if greenhouse is not None:
+            qs = qs.filter(greenhouse_id=greenhouse)
+
+        family = params.get("family")
+        if family is not None:
+            qs = qs.filter(family__iexact=family)
+
+        origin_country = params.get("origin_country")
+        if origin_country is not None:
+            qs = qs.filter(origin_country__iexact=origin_country)
+
+        is_flowering = params.get("is_flowering")
+        if is_flowering is not None:
+            qs = qs.filter(is_flowering=is_flowering.lower() in ("true", "1", "yes"))
+
+        endangered = params.get("endangered")
+        if endangered is not None:
+            qs = qs.filter(endangered=endangered.lower() in ("true", "1", "yes"))
+
+        min_height = params.get("min_height")
+        if min_height is not None:
+            qs = qs.filter(height_cm__gte=float(min_height))
+
+        max_height = params.get("max_height")
+        if max_height is not None:
+            qs = qs.filter(height_cm__lte=float(max_height))
+
+        planted_after = params.get("planted_after")
+        if planted_after is not None:
+            qs = qs.filter(planted_at__gte=planted_after)
+
+        planted_before = params.get("planted_before")
+        if planted_before is not None:
+            qs = qs.filter(planted_at__lte=planted_before)
+
+        return qs
+
+    @action(detail=False, methods=["post"], url_path="bulk-create")
+    def bulk_create(self, request):
+        serializer = self.get_serializer(data=request.data, many=True)
+        serializer.is_valid(raise_exception=True)
+        serializer.save()
+        return Response(serializer.data, status=status.HTTP_201_CREATED)
+
+    @action(detail=False, methods=["patch"], url_path="bulk-update")
+    def bulk_update_plants(self, request):
+        ids = request.data.get("ids", [])
+        data = request.data.get("data", {})
+        if not ids or not data:
+            return Response(
+                {"detail": "Нужно передать 'ids' и 'data'."},
+                status=status.HTTP_400_BAD_REQUEST,
+            )
+        updated = Plant.objects.filter(id__in=ids).update(**data)
+        return Response({"updated_count": updated})
+
+    @action(detail=False, methods=["delete"], url_path="bulk-delete")
+    def bulk_delete(self, request):
+        qs = self.get_queryset()  # фильтры берутся из query_params
+        count = qs.count()
+        qs.delete()
+        return Response({"deleted_count": count})
+
+
+class GreenhouseViewSet(viewsets.ModelViewSet):
+    queryset = Greenhouse.objects.all()
+    serializer_class = GreenhouseSerializer

library_api/library_api/settings.py

@@ -1,3 +1,9 @@
+
+import os
+from pathlib import Path
+from dotenv import load_dotenv
+load_dotenv()
+
 """
 Django settings for library_api project.
 
@@ -31,14 +37,28 @@ ALLOWED_HOSTS = []
 # Application definition
 
 INSTALLED_APPS = [
+    'api_v1',
+    "rest_framework",
     'django.contrib.admin',
     'django.contrib.auth',
     'django.contrib.contenttypes',
     'django.contrib.sessions',
     'django.contrib.messages',
     'django.contrib.staticfiles',
+    'drf_spectacular'
 ]
 
+REST_FRAMEWORK = {
+    'DEFAULT_SCHEMA_CLASS': 'drf_spectacular.openapi.AutoSchema',
+}
+
+SPECTACULAR_SETTINGS = {
+    'TITLE': 'Library API',
+    'DESCRIPTION': 'API для управления книгами, авторами и комментариями.',
+    'VERSION': '1.0.0',
+    'SERVE_INCLUDE_SCHEMA': False,
+}
+
 MIDDLEWARE = [
     'django.middleware.security.SecurityMiddleware',
     'django.contrib.sessions.middleware.SessionMiddleware',
@@ -74,8 +94,12 @@ WSGI_APPLICATION = 'library_api.wsgi.application'
 
 DATABASES = {
     'default': {
-        'ENGINE': 'django.db.backends.sqlite3',
-        'NAME': BASE_DIR / 'db.sqlite3',
+        'ENGINE': 'django.db.backends.postgresql',
+        "NAME": os.getenv("DB_NAME"),
+        "USER": os.getenv("DB_USER"),
+        "PASSWORD": os.getenv("DB_PASSWORD"),
+        "HOST": os.getenv("DB_HOST", "localhost"),
+        "PORT": os.getenv("DB_PORT", "5432"),
     }
 }
 

library_api/library_api/urls.py

@@ -15,8 +15,12 @@ Including another URLconf
     2. Add a URL to urlpatterns:  path('blog/', include('blog.urls'))
 """
 from django.contrib import admin
-from django.urls import path
+from django.urls import path, include
+from drf_spectacular.views import SpectacularAPIView, SpectacularSwaggerView
 
 urlpatterns = [
     path('admin/', admin.site.urls),
+    path('api_v1/', include('api_v1.urls')),
+    path('api/schema/', SpectacularAPIView.as_view(), name='schema'),
+    path('api/schema/swagger-ui/', SpectacularSwaggerView.as_view(url_name='schema'), name='swagger-ui'),
 ]