dify/api/fields/conversation_variable_fields.py
Yunlu Wen 3193e8a712
chore: reorg imports (#35308)
Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>
2026-04-16 08:50:02 +00:00

122 lines
3.8 KiB
Python

from __future__ import annotations
from datetime import datetime
from typing import Any
from flask_restx import Namespace, fields
from pydantic import field_validator
from fields.base import ResponseModel
from graphon.variables.types import SegmentType
from libs.helper import TimestampField
from ._value_type_serializer import serialize_value_type
conversation_variable_fields = {
"id": fields.String,
"name": fields.String,
"value_type": fields.String(attribute=serialize_value_type),
"value": fields.String,
"description": fields.String,
"created_at": TimestampField,
"updated_at": TimestampField,
}
paginated_conversation_variable_fields = {
"page": fields.Integer,
"limit": fields.Integer,
"total": fields.Integer,
"has_more": fields.Boolean,
"data": fields.List(fields.Nested(conversation_variable_fields), attribute="data"),
}
conversation_variable_infinite_scroll_pagination_fields = {
"limit": fields.Integer,
"has_more": fields.Boolean,
"data": fields.List(fields.Nested(conversation_variable_fields)),
}
def _to_timestamp(value: datetime | int | None) -> int | None:
if isinstance(value, datetime):
return int(value.timestamp())
return value
class ConversationVariableResponse(ResponseModel):
id: str
name: str
value_type: str
value: str | None = None
description: str | None = None
created_at: int | None = None
updated_at: int | None = None
@field_validator("value_type", mode="before")
@classmethod
def _normalize_value_type(cls, value: Any) -> str:
exposed_type = getattr(value, "exposed_type", None)
if callable(exposed_type):
return str(exposed_type().value)
if isinstance(value, str):
try:
return str(SegmentType(value).exposed_type().value)
except ValueError:
return value
try:
return serialize_value_type(value)
except (AttributeError, TypeError, ValueError):
pass
try:
return serialize_value_type({"value_type": value})
except (AttributeError, TypeError, ValueError):
value_attr = getattr(value, "value", None)
if value_attr is not None:
return str(value_attr)
return str(value)
@field_validator("value", mode="before")
@classmethod
def _normalize_value(cls, value: Any | None) -> str | None:
if value is None:
return None
if isinstance(value, str):
return value
return str(value)
@field_validator("created_at", "updated_at", mode="before")
@classmethod
def _normalize_timestamp(cls, value: datetime | int | None) -> int | None:
return _to_timestamp(value)
class PaginatedConversationVariableResponse(ResponseModel):
page: int
limit: int
total: int
has_more: bool
data: list[ConversationVariableResponse]
class ConversationVariableInfiniteScrollPaginationResponse(ResponseModel):
limit: int
has_more: bool
data: list[ConversationVariableResponse]
def build_conversation_variable_model(api_or_ns: Namespace):
"""Build the conversation variable model for the API or Namespace."""
return api_or_ns.model("ConversationVariable", conversation_variable_fields)
def build_conversation_variable_infinite_scroll_pagination_model(api_or_ns: Namespace):
"""Build the conversation variable infinite scroll pagination model for the API or Namespace."""
# Build the nested variable model first
conversation_variable_model = build_conversation_variable_model(api_or_ns)
copied_fields = conversation_variable_infinite_scroll_pagination_fields.copy()
copied_fields["data"] = fields.List(fields.Nested(conversation_variable_model))
return api_or_ns.model("ConversationVariableInfiniteScrollPagination", copied_fields)