schon/evibes/pagination.py

68 lines
2.3 KiB
Python

from typing import Any
from rest_framework.pagination import PageNumberPagination
from rest_framework.response import Response
class CustomPagination(PageNumberPagination):
page_size_query_param: str = (
"page_size" # name of the query parameter, you can use any
)
def get_paginated_response(self, data: dict[str, Any]) -> Response:
return Response(
{
"links": {
"forward": self.get_next_link(),
"backward": self.get_previous_link(),
},
"counts": {
"total_pages": None or self.page.paginator.num_pages, # type: ignore [union-attr]
"page_size": None or self.page_size,
"total_items": None or self.page.paginator.count, # type: ignore [union-attr]
},
"data": data,
}
)
def get_paginated_response_schema(
self, data_schema: dict[str, Any]
) -> dict[str, Any]:
return {
"type": "object",
"properties": {
"links": {
"type": "object",
"properties": {
"forward": {
"type": "string",
"nullable": True,
"format": "uri",
"description": "URL to the next page",
},
"backward": {
"type": "string",
"nullable": True,
"format": "uri",
"description": "URL to the previous page",
},
},
},
"total_pages": {
"type": "integer",
"example": 10,
"description": "Total number of pages",
},
"page_size": {
"type": "integer",
"example": 10,
"description": "Number of items per page",
},
"total_items": {
"type": "integer",
"example": 100,
"description": "Total number of items",
},
"data": data_schema,
},
}