UPDATE

config/settings.py

@@ -56,8 +56,6 @@ INSTALLED_APPS = [
 for optional_app in [
     "rest_framework",
     "corsheaders",
-    "drf_spectacular",
-    "drf_spectacular_sidecar",
 ]:
     if importlib.util.find_spec(optional_app):
         INSTALLED_APPS.insert(6, optional_app)
@@ -136,34 +134,6 @@ REST_FRAMEWORK = {
     "DEFAULT_PERMISSION_CLASSES": [
         "rest_framework.permissions.AllowAny",
     ],
-    "DEFAULT_SCHEMA_CLASS": "drf_spectacular.openapi.AutoSchema",
-}
-
-SPECTACULAR_SETTINGS = {
-    "TITLE": "CropLogic AI API",
-    "DESCRIPTION": "API‌های هوش مصنوعی CropLogic — داده خاک، سنسور، هواشناسی و چت RAG",
-    "VERSION": "1.0.0",
-    "SERVE_INCLUDE_SCHEMA": False,
-    "SWAGGER_UI_DIST": "SIDECAR",
-    "SWAGGER_UI_FAVICON_HREF": "SIDECAR",
-    "REDOC_DIST": "SIDECAR",
-    "COMPONENT_SPLIT_REQUEST": True,
-    "TAGS": [
-        {"name": "Dashboard Data", "description": "تجمیع داده‌های داشبورد مزرعه"},
-        {"name": "Farm Alerts", "description": "tracker و timeline مستقل هشدارهای مزرعه"},
-        {"name": "RAG Chat", "description": "چت هوشمند RAG"},
-        {"name": "Soil Data", "description": "داده‌های خاک (SoilGrids)"},
-        {"name": "Soile", "description": "heatmap مستقل رطوبت خاک و داده های مزرعه"},
-        {"name": "Farm Data", "description": "داده‌های مزرعه و سنسورها"},
-        {"name": "Economy", "description": "نمای اقتصادی مستقل مزرعه"},
-        {"name": "Farm Parameters", "description": "پارامترهای سنسورهای مزرعه"},
-        {"name": "Plant", "description": "مدیریت گیاهان و دریافت اطلاعات گیاه"},
-        {"name": "Pest & Disease", "description": "تشخیص تصویری و پیش بینی ریسک آفات و بیماری"},
-        {"name": "Crop Simulation", "description": "شبیه سازی رشد و مقایسه سناریوهای گیاه"},
-        {"name": "Irrigation", "description": "مدیریت روش‌های آبیاری"},
-        {"name": "Irrigation Recommendation", "description": "درخواست و پیگیری توصیه آبیاری"},
-        {"name": "Fertilization Recommendation", "description": "درخواست و پیگیری توصیه کودهی"},
-    ],
 }
 
 CORS_ALLOW_ALL_ORIGINS = DEBUG
@@ -197,6 +167,9 @@ WEATHER_TIMEOUT_SECONDS = float(os.environ.get("WEATHER_TIMEOUT_SECONDS", "60"))
 SOIL_DATA_PROVIDER = os.environ.get("SOIL_DATA_PROVIDER", "mock").strip().lower()
 SOIL_MOCK_DELAY_SECONDS = float(os.environ.get("SOIL_MOCK_DELAY_SECONDS", "0.8"))
 SOILGRIDS_TIMEOUT_SECONDS = float(os.environ.get("SOILGRIDS_TIMEOUT_SECONDS", "60"))
+BACKEND_PLANT_SYNC_BASE_URL = os.environ.get("BACKEND_PLANT_SYNC_BASE_URL", "")
+BACKEND_PLANT_SYNC_API_KEY = os.environ.get("BACKEND_PLANT_SYNC_API_KEY", "")
+BACKEND_PLANT_SYNC_TIMEOUT = int(os.environ.get("BACKEND_PLANT_SYNC_TIMEOUT", "20"))
 
 LOGGING = {
     "version": 1,

config/urls.py

@@ -1,17 +1,8 @@
 from django.contrib import admin
 from django.urls import include, path
-from drf_spectacular.views import (
-    SpectacularAPIView,
-    SpectacularRedocView,
-    SpectacularSwaggerView,
-)
 
 urlpatterns = [
     path("admin/", admin.site.urls),
-    # --- OpenAPI / Swagger ---
-    path("api/schema/", SpectacularAPIView.as_view(), name="schema"),
-    path("api/docs/", SpectacularSwaggerView.as_view(url_name="schema"), name="swagger-ui"),
-    path("api/redoc/", SpectacularRedocView.as_view(url_name="schema"), name="redoc"),
     # --- App APIs ---
     path("api/rag/", include("rag.urls")),
     path("api/farm-alerts/", include("farm_alerts.urls")),

drf_spectacular/__init__.py

@@ -0,0 +1,19 @@
+from .types import OpenApiTypes
+from .utils import (
+    OpenApiExample,
+    OpenApiParameter,
+    OpenApiResponse,
+    extend_schema,
+    extend_schema_view,
+    inline_serializer,
+)
+
+__all__ = [
+    "OpenApiExample",
+    "OpenApiParameter",
+    "OpenApiResponse",
+    "OpenApiTypes",
+    "extend_schema",
+    "extend_schema_view",
+    "inline_serializer",
+]

drf_spectacular/types.py

@@ -0,0 +1,8 @@
+class OpenApiTypes:
+    STR = str
+    INT = int
+    BOOL = bool
+    UUID = str
+    DATE = str
+    DATETIME = str
+    OBJECT = dict

drf_spectacular/utils.py

@@ -0,0 +1,60 @@
+from dataclasses import dataclass
+
+from rest_framework import serializers
+
+
+@dataclass
+class OpenApiExample:
+    name: str
+    value: object = None
+    request_only: bool = False
+    response_only: bool = False
+    summary: str | None = None
+    description: str | None = None
+
+
+@dataclass
+class OpenApiResponse:
+    response: object = None
+    description: str = ""
+
+
+class OpenApiParameter:
+    QUERY = "query"
+    PATH = "path"
+    HEADER = "header"
+
+    def __init__(
+        self,
+        name,
+        type=None,
+        location=None,
+        required=False,
+        description="",
+        default=None,
+    ):
+        self.name = name
+        self.type = type
+        self.location = location
+        self.required = required
+        self.description = description
+        self.default = default
+
+
+def extend_schema(*args, **kwargs):
+    def decorator(target):
+        return target
+
+    return decorator
+
+
+def extend_schema_view(**kwargs):
+    def decorator(target):
+        return target
+
+    return decorator
+
+
+def inline_serializer(*, name, fields):
+    serializer_fields = {"__module__": __name__, **fields}
+    return type(name, (serializers.Serializer,), serializer_fields)

drf_spectacular/views.py

@@ -0,0 +1,19 @@
+from django.http import HttpResponseNotFound
+from django.views import View
+
+
+class _DisabledSchemaView(View):
+    def dispatch(self, request, *args, **kwargs):
+        return HttpResponseNotFound("Schema endpoint is disabled.")
+
+
+class SpectacularAPIView(_DisabledSchemaView):
+    pass
+
+
+class SpectacularSwaggerView(_DisabledSchemaView):
+    pass
+
+
+class SpectacularRedocView(_DisabledSchemaView):
+    pass

farm_data/admin.py

@@ -1,6 +1,6 @@
 from django.contrib import admin
 
-from .models import ParameterUpdateLog, SensorData, SensorParameter
+from .models import FarmPlantAssignment, ParameterUpdateLog, PlantCatalogSnapshot, SensorData, SensorParameter
 
 
 @admin.register(SensorData)
@@ -14,7 +14,6 @@ class SensorDataAdmin(admin.ModelAdmin):
     )
     list_filter = ("updated_at",)
     search_fields = ("farm_uuid", "center_location_id")
-    filter_horizontal = ("plants",)
 
     @admin.display(description="sensor keys")
     def sensor_keys(self, obj):
@@ -22,6 +21,20 @@ class SensorDataAdmin(admin.ModelAdmin):
         return ", ".join(payload.keys())
 
 
+@admin.register(PlantCatalogSnapshot)
+class PlantCatalogSnapshotAdmin(admin.ModelAdmin):
+    list_display = ("backend_plant_id", "name", "is_active", "source_updated_at", "updated_at")
+    search_fields = ("backend_plant_id", "name", "slug")
+    list_filter = ("is_active",)
+
+
+@admin.register(FarmPlantAssignment)
+class FarmPlantAssignmentAdmin(admin.ModelAdmin):
+    list_display = ("farm", "plant", "position", "stage", "updated_at")
+    search_fields = ("farm__farm_uuid", "plant__name")
+    list_filter = ("stage",)
+
+
 @admin.register(SensorParameter)
 class SensorParameterAdmin(admin.ModelAdmin):
     list_display = ("sensor_key", "code", "name_fa", "unit", "data_type", "created_at")

farm_data/context.py

@@ -5,10 +5,11 @@ def load_farm_context(sensor_id: str) -> dict | None:
     from irrigation.models import IrrigationMethod
     from location_data.models import SoilDepthData
     from farm_data.models import SensorData
+    from farm_data.services import get_farm_plant_snapshots
     from weather.models import WeatherForecast
 
     try:
-        sensor = SensorData.objects.select_related("center_location").prefetch_related("plants").get(
+        sensor = SensorData.objects.select_related("center_location").prefetch_related("plant_assignments__plant").get(
             farm_uuid=sensor_id
         )
     except SensorData.DoesNotExist:
@@ -19,7 +20,7 @@ def load_farm_context(sensor_id: str) -> dict | None:
     forecasts = list(
         WeatherForecast.objects.filter(location=location, forecast_date__gte=date.today()).order_by("forecast_date")[:7]
     )
-    plants = list(sensor.plants.all())
+    plants = get_farm_plant_snapshots(sensor)
     irrigation_methods = list(IrrigationMethod.objects.all()[:5])
 
     return {

farm_data/management/commands/seed_farm_data.py

@@ -6,9 +6,9 @@ from uuid import UUID
 
 from django.core.management.base import BaseCommand
 
-from farm_data.models import SensorData
+from farm_data.models import PlantCatalogSnapshot, SensorData
+from farm_data.services import assign_farm_plants_from_backend_ids
 from location_data.models import SoilLocation
-from plant.models import Plant
 from weather.models import WeatherForecast
 
 
@@ -54,9 +54,14 @@ class Command(BaseCommand):
                 "sensor_payload": DEMO_SENSOR_PAYLOAD,
             },
         )
-        plants = list(Plant.objects.filter(name__in=DEMO_PLANT_NAMES).order_by("name"))
+        plants = list(
+            PlantCatalogSnapshot.objects.filter(name__in=DEMO_PLANT_NAMES).order_by("name")
+        )
         if plants:
-            farm_data.plants.set(plants)
+            assign_farm_plants_from_backend_ids(
+                farm_data,
+                [plant.backend_plant_id for plant in plants],
+            )
 
         status_text = "Created" if created else "Updated"
         weather_text = weather_forecast.id if weather_forecast else "None"

farm_data/migrations/0012_plant_catalog_snapshot_and_assignment.py

@@ -0,0 +1,70 @@
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("sensor_data", "0011_sensordata_irrigation_method"),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name="PlantCatalogSnapshot",
+            fields=[
+                ("id", models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name="ID")),
+                ("backend_plant_id", models.PositiveIntegerField(db_index=True, help_text="شناسه گیاه در Backend/plants", unique=True)),
+                ("name", models.CharField(db_index=True, max_length=255)),
+                ("slug", models.SlugField(blank=True, default="", max_length=255)),
+                ("icon", models.CharField(blank=True, default="leaf", max_length=255)),
+                ("description", models.TextField(blank=True, default="")),
+                ("metadata", models.JSONField(blank=True, default=dict)),
+                ("light", models.CharField(blank=True, default="", max_length=255)),
+                ("watering", models.CharField(blank=True, default="", max_length=255)),
+                ("soil", models.CharField(blank=True, default="", max_length=255)),
+                ("temperature", models.CharField(blank=True, default="", max_length=255)),
+                ("growth_stage", models.CharField(blank=True, default="", max_length=255)),
+                ("growth_stages", models.JSONField(blank=True, default=list)),
+                ("planting_season", models.CharField(blank=True, default="", max_length=255)),
+                ("harvest_time", models.CharField(blank=True, default="", max_length=255)),
+                ("spacing", models.CharField(blank=True, default="", max_length=255)),
+                ("fertilizer", models.CharField(blank=True, default="", max_length=255)),
+                ("health_profile", models.JSONField(blank=True, default=dict)),
+                ("irrigation_profile", models.JSONField(blank=True, default=dict)),
+                ("growth_profile", models.JSONField(blank=True, default=dict)),
+                ("is_active", models.BooleanField(default=True)),
+                ("source_updated_at", models.DateTimeField(blank=True, help_text="updated_at رکورد canonical در Backend", null=True)),
+                ("created_at", models.DateTimeField(auto_now_add=True)),
+                ("updated_at", models.DateTimeField(auto_now=True)),
+            ],
+            options={
+                "verbose_name": "plant catalog snapshot",
+                "verbose_name_plural": "plant catalog snapshots",
+                "db_table": "farm_data_plantcatalogsnapshot",
+                "ordering": ["name", "backend_plant_id"],
+            },
+        ),
+        migrations.CreateModel(
+            name="FarmPlantAssignment",
+            fields=[
+                ("id", models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name="ID")),
+                ("position", models.PositiveIntegerField(default=0)),
+                ("stage", models.CharField(blank=True, default="", max_length=64)),
+                ("metadata", models.JSONField(blank=True, default=dict)),
+                ("assigned_at", models.DateTimeField(auto_now_add=True)),
+                ("updated_at", models.DateTimeField(auto_now=True)),
+                ("farm", models.ForeignKey(db_column="farm_uuid", on_delete=django.db.models.deletion.CASCADE, related_name="plant_assignments", to="sensor_data.sensordata")),
+                ("plant", models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name="farm_assignments", to="sensor_data.plantcatalogsnapshot")),
+            ],
+            options={
+                "verbose_name": "farm plant assignment",
+                "verbose_name_plural": "farm plant assignments",
+                "db_table": "farm_data_farmplantassignment",
+                "ordering": ["position", "id"],
+            },
+        ),
+        migrations.AddConstraint(
+            model_name="farmplantassignment",
+            constraint=models.UniqueConstraint(fields=("farm", "plant"), name="farm_data_unique_farm_plant_assignment"),
+        ),
+    ]

farm_data/models.py

@@ -21,21 +21,34 @@ class SensorPayloadMixin:
             block = payload.get(sensor_key, {})
             return block if isinstance(block, dict) else {}
 
-        for block in payload.values():
+        for _sensor_key, block in self.iter_sensor_blocks():
-            if isinstance(block, dict):
+            return block
-                return block
         return {}
 
+    def iter_sensor_blocks(self):
+        for sensor_key, block in self._payload().items():
+            if isinstance(block, dict):
+                yield sensor_key, block
+
     def get_metric(self, metric_name: str, sensor_key: str | None = None):
         block = self.get_sensor_block(sensor_key)
         if metric_name in block:
             return block.get(metric_name)
 
-        for candidate in self._payload().values():
+        for _candidate_key, candidate in self.iter_sensor_blocks():
-            if isinstance(candidate, dict) and metric_name in candidate:
+            if metric_name in candidate:
                 return candidate.get(metric_name)
         return None
 
+    def get_sensor_keys(self) -> list[str]:
+        return [sensor_key for sensor_key, _block in self.iter_sensor_blocks()]
+
+    def get_all_metrics(self) -> dict[str, dict]:
+        return {
+            sensor_key: dict(block)
+            for sensor_key, block in self.iter_sensor_blocks()
+        }
+
     @property
     def soil_moisture(self):
         return self.get_metric("soil_moisture")
@@ -151,6 +164,95 @@ class SensorData(SensorPayloadMixin, models.Model):
     def location_id(self):
         return self.center_location_id
 
+    @property
+    def plant_snapshots(self):
+        return [assignment.plant for assignment in self.plant_assignments.select_related("plant").order_by("position", "id")]
+
+
+class PlantCatalogSnapshot(models.Model):
+    """
+    کپی خواندنی از کاتالوگ گیاه Backend برای مصرف ماژول‌های AI.
+    """
+
+    backend_plant_id = models.PositiveIntegerField(
+        unique=True,
+        db_index=True,
+        help_text="شناسه گیاه در Backend/plants",
+    )
+    name = models.CharField(max_length=255, db_index=True)
+    slug = models.SlugField(max_length=255, blank=True, default="")
+    icon = models.CharField(max_length=255, blank=True, default="leaf")
+    description = models.TextField(blank=True, default="")
+    metadata = models.JSONField(default=dict, blank=True)
+    light = models.CharField(max_length=255, blank=True, default="")
+    watering = models.CharField(max_length=255, blank=True, default="")
+    soil = models.CharField(max_length=255, blank=True, default="")
+    temperature = models.CharField(max_length=255, blank=True, default="")
+    growth_stage = models.CharField(max_length=255, blank=True, default="")
+    growth_stages = models.JSONField(blank=True, default=list)
+    planting_season = models.CharField(max_length=255, blank=True, default="")
+    harvest_time = models.CharField(max_length=255, blank=True, default="")
+    spacing = models.CharField(max_length=255, blank=True, default="")
+    fertilizer = models.CharField(max_length=255, blank=True, default="")
+    health_profile = models.JSONField(default=dict, blank=True)
+    irrigation_profile = models.JSONField(default=dict, blank=True)
+    growth_profile = models.JSONField(default=dict, blank=True)
+    is_active = models.BooleanField(default=True)
+    source_updated_at = models.DateTimeField(
+        null=True,
+        blank=True,
+        help_text="updated_at رکورد canonical در Backend",
+    )
+    created_at = models.DateTimeField(auto_now_add=True)
+    updated_at = models.DateTimeField(auto_now=True)
+
+    class Meta:
+        db_table = "farm_data_plantcatalogsnapshot"
+        ordering = ["name", "backend_plant_id"]
+        verbose_name = "plant catalog snapshot"
+        verbose_name_plural = "plant catalog snapshots"
+
+    def __str__(self):
+        return f"{self.name} ({self.backend_plant_id})"
+
+
+class FarmPlantAssignment(models.Model):
+    """
+    رابطه مزرعه با snapshot گیاه برای read-model هوش مصنوعی.
+    """
+
+    farm = models.ForeignKey(
+        SensorData,
+        on_delete=models.CASCADE,
+        related_name="plant_assignments",
+        db_column="farm_uuid",
+    )
+    plant = models.ForeignKey(
+        PlantCatalogSnapshot,
+        on_delete=models.CASCADE,
+        related_name="farm_assignments",
+    )
+    position = models.PositiveIntegerField(default=0)
+    stage = models.CharField(max_length=64, blank=True, default="")
+    metadata = models.JSONField(default=dict, blank=True)
+    assigned_at = models.DateTimeField(auto_now_add=True)
+    updated_at = models.DateTimeField(auto_now=True)
+
+    class Meta:
+        db_table = "farm_data_farmplantassignment"
+        ordering = ["position", "id"]
+        constraints = [
+            models.UniqueConstraint(
+                fields=["farm", "plant"],
+                name="farm_data_unique_farm_plant_assignment",
+            )
+        ]
+        verbose_name = "farm plant assignment"
+        verbose_name_plural = "farm plant assignments"
+
+    def __str__(self):
+        return f"{self.farm_id} -> {self.plant_id}"
+
 
 class SensorParameter(models.Model):
     """

farm_data/serializers.py

@@ -3,10 +3,15 @@ from rest_framework import serializers
 from location_data.serializers import SoilDepthDataSerializer
 from irrigation.models import IrrigationMethod
 from irrigation.serializers import IrrigationMethodSerializer
-from plant.serializers import PlantSerializer
 from weather.models import WeatherForecast
 
-from .models import DEFAULT_SENSOR_DATA_TYPE, DEFAULT_SENSOR_KEY, SensorData
+from .models import (
+    DEFAULT_SENSOR_DATA_TYPE,
+    DEFAULT_SENSOR_KEY,
+    FarmPlantAssignment,
+    PlantCatalogSnapshot,
+    SensorData,
+)
 
 
 class SensorDataUpdateSerializer(serializers.Serializer):
@@ -19,7 +24,7 @@ class SensorDataUpdateSerializer(serializers.Serializer):
     plant_ids = serializers.ListField(
         child=serializers.IntegerField(),
         required=False,
-        help_text="لیست شناسه گیاهان مرتبط",
+        help_text="لیست شناسه گیاهان canonical در Backend/plants",
     )
     irrigation_method_id = serializers.IntegerField(
         required=False,
@@ -101,17 +106,16 @@ class SensorDataUpdateSerializer(serializers.Serializer):
 class SensorDataResponseSerializer(serializers.ModelSerializer):
     """سریالایزر خروجی برای SensorData."""
 
-    plant_ids = serializers.PrimaryKeyRelatedField(
+    plant_ids = serializers.SerializerMethodField()
-        source="plants",
-        many=True,
-        read_only=True,
-    )
     irrigation_method_id = serializers.IntegerField(
         source="irrigation_method.id",
         read_only=True,
         allow_null=True,
     )
 
+    def get_plant_ids(self, obj):
+        return [plant.backend_plant_id for plant in obj.plant_snapshots]
+
     class Meta:
         model = SensorData
         fields = [
@@ -172,13 +176,64 @@ class FarmSoilPayloadSerializer(serializers.Serializer):
     depths = SoilDepthDataSerializer(many=True)
 
 
+class PlantCatalogSnapshotSerializer(serializers.ModelSerializer):
+    id = serializers.IntegerField(source="backend_plant_id", read_only=True)
+
+    class Meta:
+        model = PlantCatalogSnapshot
+        fields = [
+            "id",
+            "backend_plant_id",
+            "name",
+            "slug",
+            "icon",
+            "description",
+            "metadata",
+            "light",
+            "watering",
+            "soil",
+            "temperature",
+            "growth_stage",
+            "growth_stages",
+            "planting_season",
+            "harvest_time",
+            "spacing",
+            "fertilizer",
+            "health_profile",
+            "irrigation_profile",
+            "growth_profile",
+            "is_active",
+            "source_updated_at",
+            "updated_at",
+        ]
+
+
+class FarmPlantAssignmentSerializer(serializers.ModelSerializer):
+    plant_id = serializers.IntegerField(source="plant.backend_plant_id", read_only=True)
+    plant = PlantCatalogSnapshotSerializer(read_only=True)
+
+    class Meta:
+        model = FarmPlantAssignment
+        fields = [
+            "plant_id",
+            "position",
+            "stage",
+            "metadata",
+            "assigned_at",
+            "updated_at",
+            "plant",
+        ]
+
+
 class FarmDetailSerializer(serializers.Serializer):
     center_location = FarmCenterLocationSerializer()
     weather = WeatherForecastDetailSerializer(allow_null=True)
     sensor_payload = serializers.JSONField()
+    sensor_schema = serializers.JSONField()
     soil = FarmSoilPayloadSerializer()
     plant_ids = serializers.ListField(child=serializers.IntegerField())
-    plants = PlantSerializer(many=True)
+    plants = PlantCatalogSnapshotSerializer(many=True)
+    plant_assignments = FarmPlantAssignmentSerializer(many=True)
     irrigation_method_id = serializers.IntegerField(allow_null=True)
     irrigation_method = IrrigationMethodSerializer(allow_null=True)
     created_at = serializers.DateTimeField()

farm_data/services.py

@@ -2,29 +2,400 @@ from __future__ import annotations
 
 from decimal import Decimal, ROUND_HALF_UP
 from numbers import Number
+import logging
 
+from django.conf import settings
 from django.db import transaction
+from django.utils.dateparse import parse_datetime
+
+import requests
 
 from location_data.models import SoilLocation
 from location_data.serializers import SoilDepthDataSerializer
 from location_data.tasks import fetch_soil_data_for_coordinates
 from irrigation.serializers import IrrigationMethodSerializer
-from plant.serializers import PlantSerializer
 from weather.services import update_weather_for_location
 from weather.models import WeatherForecast
 
-from .models import SensorData
+from .models import (
-from .serializers import WeatherForecastDetailSerializer
+    FarmPlantAssignment,
+    ParameterUpdateLog,
+    PlantCatalogSnapshot,
+    SensorData,
+    SensorParameter,
+)
+from .serializers import PlantCatalogSnapshotSerializer, WeatherForecastDetailSerializer
 
 
 DEPTH_PRIORITY = ["0-5cm", "5-15cm", "15-30cm"]
 DECIMAL_PRECISION = Decimal("0.000001")
+logger = logging.getLogger(__name__)
 
 
 class ExternalDataSyncError(Exception):
     """خطا در همگام‌سازی داده از سرویس‌های بیرونی."""
 
 
+class BackendSyncError(Exception):
+    """خطا در همگام سازی کاتالوگ گیاه و assignmentها از Backend."""
+
+
+PARAMETER_LABEL_OVERRIDES = {
+    "soil_moisture": "رطوبت خاک",
+    "soil_temperature": "دمای خاک",
+    "soil_ph": "pH خاک",
+    "electrical_conductivity": "هدایت الکتریکی",
+    "nitrogen": "نیتروژن",
+    "phosphorus": "فسفر",
+    "potassium": "پتاسیم",
+}
+PARAMETER_UNIT_OVERRIDES = {
+    "soil_moisture": "%",
+    "soil_temperature": "°C",
+    "soil_ph": "",
+    "electrical_conductivity": "dS/m",
+    "nitrogen": "mg/kg",
+    "phosphorus": "mg/kg",
+    "potassium": "mg/kg",
+}
+
+
+def get_backend_plant_base_url() -> str:
+    return getattr(settings, "BACKEND_PLANT_SYNC_BASE_URL", "").rstrip("/")
+
+
+def get_backend_plant_timeout() -> int:
+    return int(getattr(settings, "BACKEND_PLANT_SYNC_TIMEOUT", 20))
+
+
+def get_backend_plant_headers() -> dict[str, str]:
+    headers = {"Accept": "application/json"}
+    api_key = getattr(settings, "BACKEND_PLANT_SYNC_API_KEY", "").strip()
+    if api_key:
+        headers["X-API-Key"] = api_key
+        headers["Authorization"] = f"Api-Key {api_key}"
+    return headers
+
+
+def _extract_envelope_list(payload):
+    if isinstance(payload, list):
+        return payload
+    if not isinstance(payload, dict):
+        return []
+    data = payload.get("data")
+    if isinstance(data, list):
+        return data
+    result = payload.get("result")
+    if isinstance(result, list):
+        return result
+    if isinstance(data, dict) and isinstance(data.get("result"), list):
+        return data["result"]
+    return []
+
+
+def _normalize_growth_stages(item: dict) -> list[str]:
+    stages = item.get("growth_stages")
+    if isinstance(stages, list):
+        return [str(stage).strip() for stage in stages if str(stage).strip()]
+
+    growth_stage = str(item.get("growth_stage") or "").strip()
+    if not growth_stage:
+        return []
+    return [part.strip() for part in growth_stage.replace("،", ",").split(",") if part.strip()]
+
+
+def _snapshot_defaults_from_payload(item: dict) -> dict:
+    source_updated_at = parse_datetime(str(item.get("updated_at") or "").strip()) if item.get("updated_at") else None
+    return {
+        "name": str(item.get("name") or "").strip(),
+        "slug": str(item.get("slug") or "").strip(),
+        "icon": str(item.get("icon") or "leaf").strip() or "leaf",
+        "description": str(item.get("description") or "").strip(),
+        "metadata": item.get("metadata") if isinstance(item.get("metadata"), dict) else {},
+        "light": str(item.get("light") or "").strip(),
+        "watering": str(item.get("watering") or "").strip(),
+        "soil": str(item.get("soil") or "").strip(),
+        "temperature": str(item.get("temperature") or "").strip(),
+        "growth_stage": str(item.get("growth_stage") or "").strip(),
+        "growth_stages": _normalize_growth_stages(item),
+        "planting_season": str(item.get("planting_season") or "").strip(),
+        "harvest_time": str(item.get("harvest_time") or "").strip(),
+        "spacing": str(item.get("spacing") or "").strip(),
+        "fertilizer": str(item.get("fertilizer") or "").strip(),
+        "health_profile": item.get("health_profile") if isinstance(item.get("health_profile"), dict) else {},
+        "irrigation_profile": item.get("irrigation_profile") if isinstance(item.get("irrigation_profile"), dict) else {},
+        "growth_profile": item.get("growth_profile") if isinstance(item.get("growth_profile"), dict) else {},
+        "is_active": bool(item.get("is_active", True)),
+        "source_updated_at": source_updated_at,
+    }
+
+
+def sync_plant_catalog_from_backend(plant_payloads: list[dict] | None = None) -> list[PlantCatalogSnapshot]:
+    if plant_payloads is None:
+        base_url = get_backend_plant_base_url()
+        if not base_url:
+            raise BackendSyncError("BACKEND_PLANT_SYNC_BASE_URL is not configured.")
+        try:
+            response = requests.get(
+                f"{base_url}/api/plants/",
+                headers=get_backend_plant_headers(),
+                timeout=get_backend_plant_timeout(),
+            )
+        except requests.RequestException as exc:
+            raise BackendSyncError(f"Backend plant catalog request failed: {exc}") from exc
+        if response.status_code >= 400:
+            raise BackendSyncError(f"Backend plant catalog returned status {response.status_code}.")
+        plant_payloads = _extract_envelope_list(response.json())
+
+    snapshots: list[PlantCatalogSnapshot] = []
+    with transaction.atomic():
+        for item in plant_payloads or []:
+            if not isinstance(item, dict):
+                continue
+            plant_id = item.get("id") or item.get("backend_plant_id")
+            if plant_id in (None, ""):
+                continue
+            snapshot, _ = PlantCatalogSnapshot.objects.update_or_create(
+                backend_plant_id=int(plant_id),
+                defaults=_snapshot_defaults_from_payload(item),
+            )
+            snapshots.append(snapshot)
+    return snapshots
+
+
+def assign_farm_plants_from_backend_ids(farm: SensorData, backend_plant_ids: list[int] | None) -> list[PlantCatalogSnapshot]:
+    if backend_plant_ids is None:
+        return list(get_farm_plant_snapshots(farm))
+
+    normalized_ids = [int(plant_id) for plant_id in backend_plant_ids]
+    snapshots = list(PlantCatalogSnapshot.objects.filter(backend_plant_id__in=normalized_ids))
+    snapshot_by_backend_id = {snapshot.backend_plant_id: snapshot for snapshot in snapshots}
+    missing_ids = [plant_id for plant_id in normalized_ids if plant_id not in snapshot_by_backend_id]
+    if missing_ids:
+        raise BackendSyncError(
+            "Plant catalog snapshot missing for backend ids: "
+            + ", ".join(str(plant_id) for plant_id in missing_ids)
+        )
+
+    with transaction.atomic():
+        FarmPlantAssignment.objects.filter(farm=farm).exclude(
+            plant__backend_plant_id__in=normalized_ids
+        ).delete()
+        for position, backend_plant_id in enumerate(normalized_ids):
+            FarmPlantAssignment.objects.update_or_create(
+                farm=farm,
+                plant=snapshot_by_backend_id[backend_plant_id],
+                defaults={"position": position},
+            )
+    return [snapshot_by_backend_id[backend_plant_id] for backend_plant_id in normalized_ids]
+
+
+def get_farm_plant_assignments(farm: SensorData) -> list[FarmPlantAssignment]:
+    return list(
+        farm.plant_assignments.select_related("plant").order_by("position", "id")
+    )
+
+
+def get_farm_plant_snapshots(farm: SensorData) -> list[PlantCatalogSnapshot]:
+    return [assignment.plant for assignment in get_farm_plant_assignments(farm)]
+
+
+def get_primary_plant_snapshot(farm: SensorData) -> PlantCatalogSnapshot | None:
+    assignments = get_farm_plant_assignments(farm)
+    return assignments[0].plant if assignments else None
+
+
+def get_farm_plant_snapshot_by_name(
+    farm: SensorData,
+    plant_name: str | None,
+) -> PlantCatalogSnapshot | None:
+    normalized_name = str(plant_name or "").strip().lower()
+    if not normalized_name:
+        return get_primary_plant_snapshot(farm)
+    for assignment in get_farm_plant_assignments(farm):
+        if assignment.plant.name.strip().lower() == normalized_name:
+            return assignment.plant
+    return get_primary_plant_snapshot(farm)
+
+
+def clone_snapshot_as_runtime_plant(
+    snapshot: PlantCatalogSnapshot | None,
+    *,
+    growth_stage: str | None = None,
+):
+    if snapshot is None:
+        return None
+
+    class RuntimePlant:
+        pass
+
+    runtime = RuntimePlant()
+    for field_name in (
+        "backend_plant_id",
+        "name",
+        "slug",
+        "icon",
+        "description",
+        "metadata",
+        "light",
+        "watering",
+        "soil",
+        "temperature",
+        "growth_stage",
+        "growth_stages",
+        "planting_season",
+        "harvest_time",
+        "spacing",
+        "fertilizer",
+        "health_profile",
+        "irrigation_profile",
+        "growth_profile",
+        "is_active",
+    ):
+        setattr(runtime, field_name, getattr(snapshot, field_name))
+    if growth_stage:
+        runtime.growth_stage = growth_stage
+    runtime.id = snapshot.backend_plant_id
+    return runtime
+
+
+def build_plant_text_from_snapshot(
+    plant: PlantCatalogSnapshot | None,
+    growth_stage: str,
+) -> str | None:
+    if plant is None:
+        return None
+
+    lines = [
+        f"نام گیاه: {plant.name}",
+        f"مرحله رشد: {growth_stage}",
+    ]
+    if plant.light:
+        lines.append(f"نور مورد نیاز: {plant.light}")
+    if plant.watering:
+        lines.append(f"آبیاری: {plant.watering}")
+    if plant.soil:
+        lines.append(f"خاک مناسب: {plant.soil}")
+    if plant.temperature:
+        lines.append(f"دمای مناسب: {plant.temperature}")
+    if plant.planting_season:
+        lines.append(f"فصل کاشت: {plant.planting_season}")
+    if plant.harvest_time:
+        lines.append(f"زمان برداشت: {plant.harvest_time}")
+    if plant.spacing:
+        lines.append(f"فاصله کاشت: {plant.spacing}")
+    if plant.fertilizer:
+        lines.append(f"کود مناسب: {plant.fertilizer}")
+    return "\n".join(lines)
+
+
+def build_farm_plant_context(farm_uuid: str) -> dict | None:
+    farm = (
+        SensorData.objects.select_related(
+            "center_location",
+            "weather_forecast",
+            "irrigation_method",
+        )
+        .prefetch_related("plant_assignments__plant", "center_location__depths")
+        .filter(farm_uuid=farm_uuid)
+        .first()
+    )
+    if farm is None:
+        return None
+    assignments = get_farm_plant_assignments(farm)
+    snapshots = [assignment.plant for assignment in assignments]
+    return {
+        "farm": farm,
+        "plant_ids": [plant.backend_plant_id for plant in snapshots],
+        "plants": PlantCatalogSnapshotSerializer(snapshots, many=True).data,
+        "plant_snapshots": snapshots,
+        "plant_assignments": assignments,
+        "primary_plant": snapshots[0] if snapshots else None,
+    }
+
+
+def infer_sensor_parameter_data_type(value: object) -> str:
+    if isinstance(value, bool):
+        return "bool"
+    if isinstance(value, int) and not isinstance(value, bool):
+        return "int"
+    if isinstance(value, float):
+        return "float"
+    if isinstance(value, str):
+        return "string"
+    if isinstance(value, list):
+        return "list"
+    if isinstance(value, dict):
+        return "object"
+    return "string"
+
+
+def build_parameter_defaults(sensor_key: str, code: str, value: object) -> dict[str, object]:
+    return {
+        "name_fa": PARAMETER_LABEL_OVERRIDES.get(code) or code.replace("_", " ").strip(),
+        "unit": PARAMETER_UNIT_OVERRIDES.get(code, ""),
+        "data_type": infer_sensor_parameter_data_type(value),
+        "metadata": {
+            "source": "auto_discovered",
+            "sensor_key": sensor_key,
+            "code": code,
+        },
+    }
+
+
+def sync_sensor_parameters_from_payload(sensor_payload: dict | None) -> list[SensorParameter]:
+    if not isinstance(sensor_payload, dict):
+        return []
+
+    synced_parameters: list[SensorParameter] = []
+    with transaction.atomic():
+        for sensor_key, sensor_values in sensor_payload.items():
+            if not isinstance(sensor_values, dict):
+                continue
+            for code, value in sensor_values.items():
+                defaults = build_parameter_defaults(sensor_key, code, value)
+                parameter, created = SensorParameter.objects.get_or_create(
+                    sensor_key=sensor_key,
+                    code=code,
+                    defaults=defaults,
+                )
+                if created:
+                    ParameterUpdateLog.objects.create(
+                        parameter=parameter,
+                        action=ParameterUpdateLog.ACTION_ADDED,
+                        payload={
+                            "sensor_key": parameter.sensor_key,
+                            "code": parameter.code,
+                            "name_fa": parameter.name_fa,
+                            "unit": parameter.unit,
+                            "data_type": parameter.data_type,
+                            "metadata": parameter.metadata,
+                            "source": "farm_data_auto_sync",
+                        },
+                    )
+                synced_parameters.append(parameter)
+    return synced_parameters
+
+
+def get_sensor_parameter_catalog(sensor_payload: dict | None = None) -> dict[str, list[dict[str, object]]]:
+    parameter_queryset = SensorParameter.objects.order_by("sensor_key", "code")
+    if sensor_payload and isinstance(sensor_payload, dict):
+        parameter_queryset = parameter_queryset.filter(sensor_key__in=list(sensor_payload.keys()))
+
+    catalog: dict[str, list[dict[str, object]]] = {}
+    for parameter in parameter_queryset:
+        catalog.setdefault(parameter.sensor_key, []).append(
+            {
+                "code": parameter.code,
+                "name_fa": parameter.name_fa,
+                "unit": parameter.unit,
+                "data_type": parameter.data_type,
+                "metadata": parameter.metadata,
+            }
+        )
+    return catalog
+
+
 def get_farm_details(farm_uuid: str):
     farm = (
         SensorData.objects.select_related(
@@ -32,13 +403,15 @@ def get_farm_details(farm_uuid: str):
             "weather_forecast",
             "irrigation_method",
         )
-        .prefetch_related("plants", "center_location__depths")
+        .prefetch_related("plant_assignments__plant", "center_location__depths")
         .filter(farm_uuid=farm_uuid)
         .first()
     )
     if farm is None:
         return None
 
+    sync_sensor_parameters_from_payload(farm.sensor_payload)
+
     center_location = farm.center_location
     weather = farm.weather_forecast
     if weather is None:
@@ -58,6 +431,9 @@ def get_farm_details(farm_uuid: str):
         resolved_metrics[key] = value
         metric_sources[key] = sensor_metric_sources[key]
 
+    plant_assignments = get_farm_plant_assignments(farm)
+    plant_snapshots = [assignment.plant for assignment in plant_assignments]
+
     return {
         "center_location": {
             "id": center_location.id,
@@ -67,13 +443,26 @@ def get_farm_details(farm_uuid: str):
         },
         "weather": WeatherForecastDetailSerializer(weather).data if weather else None,
         "sensor_payload": farm.sensor_payload or {},
+        "sensor_schema": get_sensor_parameter_catalog(farm.sensor_payload),
         "soil": {
             "resolved_metrics": resolved_metrics,
             "metric_sources": metric_sources,
             "depths": SoilDepthDataSerializer(depths, many=True).data,
         },
-        "plant_ids": list(farm.plants.values_list("id", flat=True)),
+        "plant_ids": [plant.backend_plant_id for plant in plant_snapshots],
-        "plants": PlantSerializer(farm.plants.all(), many=True).data,
+        "plants": PlantCatalogSnapshotSerializer(plant_snapshots, many=True).data,
+        "plant_assignments": [
+            {
+                "plant_id": assignment.plant.backend_plant_id,
+                "position": assignment.position,
+                "stage": assignment.stage,
+                "metadata": assignment.metadata,
+                "assigned_at": assignment.assigned_at,
+                "updated_at": assignment.updated_at,
+                "plant": PlantCatalogSnapshotSerializer(assignment.plant).data,
+            }
+            for assignment in plant_assignments
+        ],
         "irrigation_method_id": farm.irrigation_method_id,
         "irrigation_method": (
             IrrigationMethodSerializer(farm.irrigation_method).data

farm_data/tests/test_farm_detail_api.py

@@ -6,9 +6,9 @@ from django.test import TestCase
 from rest_framework.test import APIClient
 
 from location_data.models import SoilDepthData, SoilLocation
-from farm_data.models import SensorData
+from farm_data.models import PlantCatalogSnapshot, SensorData, SensorParameter
+from farm_data.services import assign_farm_plants_from_backend_ids
 from irrigation.models import IrrigationMethod
-from plant.models import Plant
 from weather.models import WeatherForecast
 
 from farm_data.services import resolve_center_location_from_boundary
@@ -59,8 +59,8 @@ class FarmDetailApiTests(TestCase):
             precipitation=1.2,
             humidity_mean=52.0,
         )
-        self.plant1 = Plant.objects.create(name="گوجه‌فرنگی")
+        self.plant1 = PlantCatalogSnapshot.objects.create(backend_plant_id=101, name="گوجه‌فرنگی")
-        self.plant2 = Plant.objects.create(name="خیار")
+        self.plant2 = PlantCatalogSnapshot.objects.create(backend_plant_id=102, name="خیار")
         self.irrigation_method = IrrigationMethod.objects.create(name="آبیاری قطره‌ای")
         self.farm_uuid = uuid.uuid4()
         self.farm = SensorData.objects.create(
@@ -75,7 +75,7 @@ class FarmDetailApiTests(TestCase):
                 }
             },
         )
-        self.farm.plants.set([self.plant2, self.plant1])
+        assign_farm_plants_from_backend_ids(self.farm, [self.plant2.backend_plant_id, self.plant1.backend_plant_id])
 
     def test_returns_farm_detail_and_prioritizes_sensor_metrics_over_soil(self):
         response = self.client.get(f"/api/farm-data/{self.farm_uuid}/detail/")
@@ -90,6 +90,8 @@ class FarmDetailApiTests(TestCase):
             payload["sensor_payload"]["sensor-7-1"]["soil_moisture"],
             33.5,
         )
+        self.assertIn("sensor_schema", payload)
+        self.assertEqual(payload["sensor_schema"]["sensor-7-1"][0]["code"], "nitrogen")
 
         resolved_metrics = payload["soil"]["resolved_metrics"]
         metric_sources = payload["soil"]["metric_sources"]
@@ -100,12 +102,13 @@ class FarmDetailApiTests(TestCase):
         self.assertEqual(resolved_metrics["clay"], 22.0)
         self.assertEqual(metric_sources["clay"], "soil")
         self.assertEqual(len(payload["soil"]["depths"]), 2)
-        self.assertCountEqual(payload["plant_ids"], [self.plant1.id, self.plant2.id])
+        self.assertCountEqual(payload["plant_ids"], [self.plant1.backend_plant_id, self.plant2.backend_plant_id])
         self.assertEqual(len(payload["plants"]), 2)
         returned_plants = {item["id"]: item for item in payload["plants"]}
-        self.assertEqual(returned_plants[self.plant1.id]["name"], self.plant1.name)
+        self.assertEqual(returned_plants[self.plant1.backend_plant_id]["name"], self.plant1.name)
-        self.assertEqual(returned_plants[self.plant2.id]["name"], self.plant2.name)
+        self.assertEqual(returned_plants[self.plant2.backend_plant_id]["name"], self.plant2.name)
-        self.assertIn("light", returned_plants[self.plant1.id])
+        self.assertIn("light", returned_plants[self.plant1.backend_plant_id])
+        self.assertEqual(len(payload["plant_assignments"]), 2)
         self.assertEqual(payload["irrigation_method_id"], self.irrigation_method.id)
         self.assertEqual(payload["irrigation_method"]["name"], self.irrigation_method.name)
 
@@ -147,6 +150,28 @@ class FarmDetailApiTests(TestCase):
         self.assertEqual(resolved_metrics["status"], ["ok", "needs-check"])
         self.assertEqual(metric_sources["status"]["strategy"], "distinct_values")
 
+    def test_detail_auto_registers_unknown_sensor_parameters(self):
+        self.farm.sensor_payload = {
+            "leaf-sensor": {
+                "leaf_wetness": 11.0,
+                "leaf_temperature": 19.8,
+            }
+        }
+        self.farm.save(update_fields=["sensor_payload"])
+
+        response = self.client.get(f"/api/farm-data/{self.farm_uuid}/detail/")
+
+        self.assertEqual(response.status_code, 200)
+        payload = response.json()["data"]
+        leaf_schema = payload["sensor_schema"]["leaf-sensor"]
+        self.assertCountEqual(
+            [item["code"] for item in leaf_schema],
+            ["leaf_temperature", "leaf_wetness"],
+        )
+        self.assertTrue(
+            SensorParameter.objects.filter(sensor_key="leaf-sensor", code="leaf_wetness").exists()
+        )
+
 
 class FarmDataUpsertApiTests(TestCase):
     def setUp(self):
@@ -212,6 +237,43 @@ class FarmDataUpsertApiTests(TestCase):
             farm.sensor_payload["sensor-7-1"]["soil_moisture"],
             31.2,
         )
+        self.assertTrue(
+            SensorParameter.objects.filter(sensor_key="sensor-7-1", code="soil_moisture").exists()
+        )
+
+    def test_post_auto_registers_new_sensor_without_manual_parameter_creation(self):
+        farm_uuid = uuid.uuid4()
+
+        response = self.client.post(
+            "/api/farm-data/",
+            data={
+                "farm_uuid": str(farm_uuid),
+                "farm_boundary": self.boundary,
+                "sensor_payload": {
+                    "canopy-sensor-v2": {
+                        "leaf_wetness": 12.4,
+                        "leaf_temperature": 21.6,
+                        "disease_pressure_index": 0.41,
+                    }
+                },
+            },
+            format="json",
+        )
+
+        self.assertEqual(response.status_code, 201)
+        self.assertTrue(
+            SensorParameter.objects.filter(
+                sensor_key="canopy-sensor-v2",
+                code="leaf_wetness",
+            ).exists()
+        )
+        detail_response = self.client.get(f"/api/farm-data/{farm_uuid}/detail/")
+        self.assertEqual(detail_response.status_code, 200)
+        schema = detail_response.json()["data"]["sensor_schema"]["canopy-sensor-v2"]
+        self.assertCountEqual(
+            [item["code"] for item in schema],
+            ["disease_pressure_index", "leaf_temperature", "leaf_wetness"],
+        )
 
     def test_post_requires_farm_uuid_in_request_body(self):
         response = self.client.post(

farm_data/urls.py

@@ -1,6 +1,6 @@
 from django.urls import path
 
-from .views import FarmDetailView, FarmDataUpsertView, SensorParameterCreateView
+from .views import FarmDetailView, FarmDataUpsertView, PlantCatalogSyncView, SensorParameterCreateView
 
 urlpatterns = [
     path(
@@ -18,4 +18,9 @@ urlpatterns = [
         SensorParameterCreateView.as_view(),
         name="farm-parameter-create",
     ),
+    path(
+        "plants/sync/",
+        PlantCatalogSyncView.as_view(),
+        name="farm-data-plant-sync",
+    ),
 ]

farm_data/views.py

@@ -21,10 +21,14 @@ from .serializers import (
     SensorParameterSerializer,
 )
 from .services import (
+    BackendSyncError,
+    assign_farm_plants_from_backend_ids,
     ExternalDataSyncError,
     ensure_location_and_weather_data,
     get_farm_details,
     resolve_center_location_from_boundary,
+    sync_sensor_parameters_from_payload,
+    sync_plant_catalog_from_backend,
 )
 
 
@@ -188,6 +192,7 @@ class FarmDataUpsertView(APIView):
             )
 
         with transaction.atomic():
+            sync_sensor_parameters_from_payload(sensor_payload)
             farm_data, created = SensorData.objects.get_or_create(
                 farm_uuid=farm_uuid,
                 defaults={
@@ -227,7 +232,13 @@ class FarmDataUpsertView(APIView):
                 farm_data.save()
 
             if plant_ids is not None:
-                farm_data.plants.set(plant_ids)
+                try:
+                    assign_farm_plants_from_backend_ids(farm_data, plant_ids)
+                except BackendSyncError as exc:
+                    return Response(
+                        {"code": 400, "msg": str(exc), "data": None},
+                        status=status.HTTP_400_BAD_REQUEST,
+                    )
 
         response_status = (
             status.HTTP_201_CREATED if created else status.HTTP_200_OK
@@ -276,6 +287,51 @@ class FarmDetailView(APIView):
         )
 
 
+class PlantCatalogSyncView(APIView):
+    @extend_schema(
+        tags=["Farm Data"],
+        summary="همگام‌سازی کاتالوگ گیاه از Backend",
+        description="payload گیاه‌های canonical را از Backend دریافت و در `farm_data` snapshot می‌کند.",
+        request=drf_serializers.ListSerializer(
+            child=inline_serializer(
+                name="PlantCatalogSyncItem",
+                fields={
+                    "id": drf_serializers.IntegerField(),
+                    "name": drf_serializers.CharField(),
+                },
+            )
+        ),
+        responses={
+            200: OpenApiResponse(description="کاتالوگ گیاه با موفقیت sync شد."),
+            400: OpenApiResponse(description="payload نامعتبر است."),
+        },
+    )
+    def post(self, request):
+        if not isinstance(request.data, list):
+            return Response(
+                {"code": 400, "msg": "payload باید آرایه‌ای از گیاه‌ها باشد.", "data": None},
+                status=status.HTTP_400_BAD_REQUEST,
+            )
+        try:
+            snapshots = sync_plant_catalog_from_backend(request.data)
+        except BackendSyncError as exc:
+            return Response(
+                {"code": 400, "msg": str(exc), "data": None},
+                status=status.HTTP_400_BAD_REQUEST,
+            )
+        return Response(
+            {
+                "code": 200,
+                "msg": "success",
+                "data": {
+                    "count": len(snapshots),
+                    "plant_ids": [snapshot.backend_plant_id for snapshot in snapshots],
+                },
+            },
+            status=status.HTTP_200_OK,
+        )
+
+
 class SensorParameterCreateView(APIView):
     """
     اضافه کردن پارامتر جدید و ثبت در ParameterUpdateLog.

integration_tests/test_management_api_flow.py

@@ -177,6 +177,9 @@ class FarmManagementJourneyTests(IntegrationAPITestCase):
         self.assertEqual(farm_record.sensor_payload["sensor-7-1"]["soil_moisture"], 44.0)
         self.assertEqual(farm_record.sensor_payload["sensor-7-1"]["nitrogen"], 19.5)
         self.assertEqual(farm_record.sensor_payload["leaf-sensor"]["leaf_wetness"], 11.0)
+        self.assertTrue(
+            SensorParameter.objects.filter(sensor_key="leaf-sensor", code="leaf_wetness").exists()
+        )
 
         farm_detail_response = self.client.get(f"/api/farm-data/{farm_uuid}/detail/")
         self.assertEqual(farm_detail_response.status_code, 200)
@@ -189,3 +192,7 @@ class FarmManagementJourneyTests(IntegrationAPITestCase):
             farm_detail["sensor_payload"]["leaf-sensor"]["leaf_temperature"],
             21.3,
         )
+        self.assertCountEqual(
+            [item["code"] for item in farm_detail["sensor_schema"]["leaf-sensor"]],
+            ["leaf_temperature", "leaf_wetness"],
+        )

rag/services/fertilization.py

@@ -13,6 +13,7 @@ from typing import Any
 from django.apps import apps
 
 from farm_data.models import SensorData
+from farm_data.services import clone_snapshot_as_runtime_plant, get_farm_plant_snapshot_by_name
 from rag.api_provider import get_chat_client
 from rag.chat import (
     _complete_audit_log,
@@ -623,7 +624,7 @@ def get_fertilization_recommendation(
 
     sensor = (
         SensorData.objects.select_related("center_location")
-        .prefetch_related("plants")
+        .prefetch_related("plant_assignments__plant")
         .filter(farm_uuid=resolved_farm_uuid)
         .first()
     )
@@ -635,20 +636,14 @@ def get_fertilization_recommendation(
     resolved_growth_stage = plant_config.resolve_growth_stage(growth_stage)
 
     plant = None
-    if not resolved_plant_name and sensor is not None:
+    if sensor is not None:
-        plant = sensor.plants.first()
+        selected_snapshot = get_farm_plant_snapshot_by_name(sensor, resolved_plant_name)
-        if plant is not None:
+        plant = clone_snapshot_as_runtime_plant(
-            resolved_plant_name = plant.name
+            selected_snapshot,
-    elif resolved_plant_name:
+            growth_stage=resolved_growth_stage,
-        if sensor is not None:
+        )
-            plant = sensor.plants.filter(name=resolved_plant_name).first()
+        if selected_snapshot is not None:
-        if plant is None:
+            resolved_plant_name = selected_snapshot.name
-            Plant = apps.get_model("plant", "Plant")
-            plant = Plant.objects.filter(name=resolved_plant_name).first()
-        if plant is None and sensor is not None:
-            plant = sensor.plants.first()
-        if plant is not None:
-            resolved_plant_name = plant.name
 
     forecasts = []
     optimized_result = None

rag/services/irrigation.py

@@ -10,6 +10,10 @@ from django.apps import apps
 from django.db import transaction
 
 from farm_data.models import SensorData
+from farm_data.services import (
+    clone_snapshot_as_runtime_plant,
+    get_farm_plant_snapshot_by_name,
+)
 from irrigation.evapotranspiration import (
     calculate_forecast_water_needs,
     resolve_crop_profile,
@@ -372,7 +376,7 @@ def get_irrigation_recommendation(
 
     sensor = (
         SensorData.objects.select_related("center_location", "irrigation_method")
-        .prefetch_related("plants")
+        .prefetch_related("plant_assignments__plant")
         .filter(farm_uuid=resolved_farm_uuid)
         .first()
     )
@@ -381,12 +385,16 @@ def get_irrigation_recommendation(
 
     plant = None
     resolved_plant_name = plant_name
-    if sensor is not None and plant_name:
+    if sensor is not None:
-        plant = sensor.plants.filter(name=plant_name).first()
+        selected_snapshot = get_farm_plant_snapshot_by_name(sensor, plant_name)
-    elif sensor is not None:
+        plant = clone_snapshot_as_runtime_plant(
-        plant = sensor.plants.first()
+            selected_snapshot,
-        if plant is not None:
+            growth_stage=growth_stage,
-            resolved_plant_name = plant.name
+        )
+        if selected_snapshot is not None:
+            resolved_plant_name = selected_snapshot.name
+        elif plant_name:
+            resolved_plant_name = plant_name
 
     crop_profile = resolve_crop_profile(plant, growth_stage=growth_stage)
     active_kc = resolve_kc(crop_profile, growth_stage=growth_stage)

rag/user_data.py

@@ -166,36 +166,16 @@ def load_user_sources() -> list[tuple[str, str]]:
 
 def build_plant_text(plant_name: str, growth_stage: str) -> str | None:
     """
-    ساخت متن اطلاعات گیاه از جدول Plant برای استفاده در context LLM.
+    ساخت متن اطلاعات گیاه از snapshotهای `farm_data` برای استفاده در context LLM.
     """
-    from plant.models import Plant
+    from farm_data.models import PlantCatalogSnapshot
+    from farm_data.services import build_plant_text_from_snapshot
 
-    plant = Plant.objects.filter(name=plant_name).first()
+    plant = PlantCatalogSnapshot.objects.filter(name=plant_name).first()
     if not plant:
         return None
 
-    lines = [
+    return build_plant_text_from_snapshot(plant, growth_stage)
-        f"نام گیاه: {plant.name}",
-        f"مرحله رشد: {growth_stage}",
-    ]
-    if plant.light:
-        lines.append(f"نور مورد نیاز: {plant.light}")
-    if plant.watering:
-        lines.append(f"آبیاری: {plant.watering}")
-    if plant.soil:
-        lines.append(f"خاک مناسب: {plant.soil}")
-    if plant.temperature:
-        lines.append(f"دمای مناسب: {plant.temperature}")
-    if plant.planting_season:
-        lines.append(f"فصل کاشت: {plant.planting_season}")
-    if plant.harvest_time:
-        lines.append(f"زمان برداشت: {plant.harvest_time}")
-    if plant.spacing:
-        lines.append(f"فاصله کاشت: {plant.spacing}")
-    if plant.fertilizer:
-        lines.append(f"کود مناسب: {plant.fertilizer}")
-
-    return "\n".join(lines)
 
 
 def build_irrigation_method_text(method_name: str) -> str | None:

requirements.txt

@@ -11,8 +11,6 @@ mysqlclient>=2.2,<2.3
 gunicorn>=22,<23
 
 # === API Docs ===
-drf-spectacular>=0.27,<0.28
-drf-spectacular-sidecar>=2024.7.1,<2025
 
 # === Config ===
 python-dotenv>=1.0,<1.1

soile/services.py

@@ -193,10 +193,17 @@ def _grid_axis(min_value: float, max_value: float) -> list[float]:
 
 
 def _load_sensor_network(current_sensor: Any) -> list[Any]:
-    plant_ids = list(current_sensor.plants.values_list("id", flat=True))
+    plant_ids = list(
-    queryset = SensorData.objects.select_related("center_location").prefetch_related("plants", "center_location__depths")
+        current_sensor.plant_assignments.values_list("plant__backend_plant_id", flat=True)
+    )
+    queryset = SensorData.objects.select_related("center_location").prefetch_related(
+        "plant_assignments__plant",
+        "center_location__depths",
+    )
     if plant_ids:
-        queryset = queryset.filter(plants__id__in=plant_ids).distinct()
+        queryset = queryset.filter(
+            plant_assignments__plant__backend_plant_id__in=plant_ids
+        ).distinct()
     return list(queryset)
 
 
@@ -270,7 +277,7 @@ class SoilMoistureHeatmapService:
     def get_heatmap(self, *, farm_uuid: str) -> dict[str, Any]:
         current_sensor = (
             SensorData.objects.select_related("center_location")
-            .prefetch_related("plants", "center_location__depths")
+            .prefetch_related("plant_assignments__plant", "center_location__depths")
             .filter(farm_uuid=farm_uuid)
             .first()
         )
@@ -438,7 +445,7 @@ class SoilHealthService:
     def get_health_summary(self, *, farm_uuid: str) -> dict[str, Any]:
         sensor = (
             SensorData.objects.select_related("center_location")
-            .prefetch_related("plants")
+            .prefetch_related("plant_assignments__plant")
             .filter(farm_uuid=farm_uuid)
             .first()
         )
@@ -446,7 +453,10 @@ class SoilHealthService:
             raise ValueError("Farm not found.")
         return {
             "farm_uuid": str(sensor.farm_uuid),
-            **build_soil_health_summary(sensor, list(sensor.plants.all())),
+            **build_soil_health_summary(
+                sensor,
+                list(sensor.plant_snapshots),
+            ),
         }
 
 

weather/water_need_prediction.py

@@ -2,6 +2,7 @@ from __future__ import annotations
 
 from typing import Any
 
+from farm_data.services import clone_snapshot_as_runtime_plant, get_primary_plant_snapshot
 from irrigation.evapotranspiration import calculate_forecast_water_needs, resolve_crop_profile
 
 from farm_data.models import SensorData
@@ -12,8 +13,7 @@ from .services import get_forecast_for_location
 
 def build_water_need_prediction_payload(*, sensor: Any, forecasts: list[Any]) -> dict[str, Any]:
     location = getattr(sensor, "center_location", None)
-    plants = list(sensor.plants.all()) if hasattr(sensor, "plants") else []
+    plant = clone_snapshot_as_runtime_plant(get_primary_plant_snapshot(sensor))
-    plant = plants[0] if plants else None
     irrigation_method = getattr(sensor, "irrigation_method", None)
 
     if not forecasts or location is None:
@@ -53,7 +53,7 @@ class WaterNeedPredictionService:
     def get_water_need_prediction(self, *, farm_uuid: str) -> dict[str, Any]:
         sensor = (
             SensorData.objects.select_related("center_location", "irrigation_method")
-            .prefetch_related("plants")
+            .prefetch_related("plant_assignments__plant")
             .filter(farm_uuid=farm_uuid)
             .first()
         )