d94ad93222
Introduces a new /api/choices/ endpoint for fetching model choices with multilingual labels. Updates Django models to use 'cz#' prefix for Czech labels. Adds OpenAPI client generation via orval, refactors frontend API structure, and provides documentation and helper scripts for dynamic choices and OpenAPI usage.
86 lines
2.9 KiB
Python
86 lines
2.9 KiB
Python
import json
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from django.apps import apps
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from rest_framework.decorators import api_view
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from rest_framework.response import Response
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from drf_spectacular.utils import extend_schema, OpenApiParameter
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from rest_framework.permissions import AllowAny
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@extend_schema(
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description="Vrátí všechny možné hodnoty pro ChoiceField s podporou vícejazyčných labelů. "
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"Umožňuje načíst více modelů a polí najednou.",
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parameters=[
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OpenApiParameter(
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name="fields",
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description=(
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"JSON pole objektů {model: 'ModelName', field: 'field_name'} "
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"např. '[{\"model\": \"User\", \"field\": \"role\"}, {\"model\": \"Carrier\", \"field\": \"shipping_method\"}]'"
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),
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required=True,
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type=str,
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),
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OpenApiParameter(
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name="lang",
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description="Jazyk pro labely (např. 'cz', 'en')",
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required=False,
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type=str,
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),
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],
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responses={
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200: {
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"type": "object",
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"additionalProperties": {
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"type": "array",
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"items": {
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"type": "object",
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"properties": {
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"value": {"type": "string", "description": "Logická hodnota pro backend"},
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"label": {"type": "string", "description": "Human-readable label podle zvoleného jazyka"}
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}
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}
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}
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}
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}
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)
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@api_view(["GET"])
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def choices(request):
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"""
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Endpoint pro získání choices pro dropdowny s podporou vícejazyčných labelů.
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Formát labelu v modelu: 'lang#Label', např. 'cz#Administrátor'.
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Podporuje více modelů a polí najednou.
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"""
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permission_classes = [AllowAny]
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fields_param = request.query_params.get("fields")
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lang = request.query_params.get("lang", None)
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try:
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fields_list = json.loads(fields_param)
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except Exception:
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return Response({"error": "Invalid 'fields' parameter, must be valid JSON"}, status=400)
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result = {}
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for item in fields_list:
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model_name = item.get("model")
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field_name = item.get("field")
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if not model_name or not field_name:
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continue
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model = apps.get_model("app_name", model_name)
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field = model._meta.get_field(field_name)
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choices_data = []
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for value, label in field.choices:
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if "#" in label and lang:
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label_parts = label.split("#", 1)
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if label_parts[0] == lang:
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label = label_parts[1]
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else:
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label = label_parts[1] # fallback na defaultní text (po #)
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elif "#" in label:
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label = label.split("#", 1)[1]
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choices_data.append({"value": value, "label": label})
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result[f"{model_name}.{field_name}"] = choices_data
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return Response(result)
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