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Cases REST API (universal).
Blueprint mounted at /api/cases. Read-only: list cases (with
attributes) and resolve the case for an instance. Cases are
created/assigned by auto-detection at server start, not via this API.
Enabled when `cases` is configured or under QDA mode.
"""
from __future__ import annotations
import logging
from functools import wraps
from flask import Blueprint, jsonify, request, session
from potato.cases import (
attributes,
case_for_instance,
cases_enabled,
list_cases,
)
logger = logging.getLogger(__name__)
cases_bp = Blueprint("cases", __name__, url_prefix="/api/cases")
def _config() -> dict:
from potato.server_utils.config_module import config
return config
def _ctx():
config = _config()
if not cases_enabled(config):
return None, ("disabled",)
if not session.get("username"):
return None, ("unauth",)
return {
"task_dir": config.get("task_dir", "."),
"project": config.get("annotation_task_name") or "default",
}, None
def cases_view(view):
@wraps(view)
def wrapper(*args, **kwargs):
ctx, err = _ctx()
if err == ("disabled",):
return jsonify({
"error": "Cases are not enabled in this deployment.",
"hint": "Set cases.enabled: true (on by default in "
"qda_mode).",
}), 503
if err == ("unauth",):
return jsonify({"error": "Not authenticated"}), 401
return view(ctx, *args, **kwargs)
return wrapper
@cases_bp.route("", methods=["GET"])
@cases_view
def list_all(ctx):
cases = list_cases(ctx["task_dir"], ctx["project"])
for c in cases:
c["attributes"] = attributes(ctx["task_dir"], c["id"])
return jsonify({"cases": cases})
@cases_bp.route("/instance/<path:instance_id>", methods=["GET"])
@cases_view
def for_instance(ctx, instance_id):
case = case_for_instance(ctx["task_dir"], ctx["project"], instance_id)
if case is None:
return jsonify({"case": None})
case["attributes"] = attributes(ctx["task_dir"], case["id"])
return jsonify({"case": case})
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