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urbanLifeline/dify/api/controllers/console/app/conversation_variables.py

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2025-12-01 17:21:38 +08:00
from flask_restx import Resource, fields, marshal_with, reqparse
from sqlalchemy import select
from sqlalchemy.orm import Session
from controllers.console import console_ns
from controllers.console.app.wraps import get_app_model
from controllers.console.wraps import account_initialization_required, setup_required
from extensions.ext_database import db
from fields.conversation_variable_fields import (
conversation_variable_fields,
paginated_conversation_variable_fields,
)
from libs.login import login_required
from models import ConversationVariable
from models.model import AppMode
# Register models for flask_restx to avoid dict type issues in Swagger
# Register base model first
conversation_variable_model = console_ns.model("ConversationVariable", conversation_variable_fields)
# For nested models, need to replace nested dict with registered model
paginated_conversation_variable_fields_copy = paginated_conversation_variable_fields.copy()
paginated_conversation_variable_fields_copy["data"] = fields.List(
fields.Nested(conversation_variable_model), attribute="data"
)
paginated_conversation_variable_model = console_ns.model(
"PaginatedConversationVariable", paginated_conversation_variable_fields_copy
)
@console_ns.route("/apps/<uuid:app_id>/conversation-variables")
class ConversationVariablesApi(Resource):
@console_ns.doc("get_conversation_variables")
@console_ns.doc(description="Get conversation variables for an application")
@console_ns.doc(params={"app_id": "Application ID"})
@console_ns.expect(
console_ns.parser().add_argument(
"conversation_id", type=str, location="args", help="Conversation ID to filter variables"
)
)
@console_ns.response(200, "Conversation variables retrieved successfully", paginated_conversation_variable_model)
@setup_required
@login_required
@account_initialization_required
@get_app_model(mode=AppMode.ADVANCED_CHAT)
@marshal_with(paginated_conversation_variable_model)
def get(self, app_model):
parser = reqparse.RequestParser().add_argument("conversation_id", type=str, location="args")
args = parser.parse_args()
stmt = (
select(ConversationVariable)
.where(ConversationVariable.app_id == app_model.id)
.order_by(ConversationVariable.created_at)
)
if args["conversation_id"]:
stmt = stmt.where(ConversationVariable.conversation_id == args["conversation_id"])
else:
raise ValueError("conversation_id is required")
# NOTE: This is a temporary solution to avoid performance issues.
page = 1
page_size = 100
stmt = stmt.limit(page_size).offset((page - 1) * page_size)
with Session(db.engine) as session:
rows = session.scalars(stmt).all()
return {
"page": page,
"limit": page_size,
"total": len(rows),
"has_more": False,
"data": [
{
"created_at": row.created_at,
"updated_at": row.updated_at,
**row.to_variable().model_dump(),
}
for row in rows
],
}