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pds-2021-g2-nest/nest_backend/routes/repository/alerts/alert.py
2021-05-28 19:56:42 +02:00

243 lines
9.4 KiB
Python

from flask import render_template, abort, jsonify, request
from nest_backend.database import *
from flask_jwt_extended import jwt_required, get_jwt_identity
from nest_backend.gestione import *
from flask_cors import cross_origin
import datetime
import nest_backend.errors as errors
@cross_origin()
@jwt_required()
def page_alert(aid):
"""
---
get:
summary: Get details about an alert.
parameters:
- in: path
schema: AlertParameterSchema
security:
- jwt: []
responses:
'200':
description: The details about the requested alert. The schema is incapsulated in Success.
content:
application/json:
schema: Alert
'404':
description: Could not find the requested repository.
content:
application/json:
schema: Error
'403':
description: The user is not authorized.
content:
application/json:
schema: Error
'401':
description: The user is not logged in.
content:
application/json:
schema: Error
tags:
- alert-related
delete:
summary: Deletes an alert.
parameters:
- in: path
schema: AlertParameterSchema
security:
- jwt: []
responses:
'204':
description: The repository has been deleted successfully.
'404':
description: Could not find the requested repository.
content:
application/json:
schema: Error
'403':
description: The user is not authorized.
content:
application/json:
schema: Error
'401':
description: The user is not logged in.
content:
application/json:
schema: Error
'500':
description: Could not delete the repository.
content:
application/json:
schema: Error
tags:
- alert-related
patch:
summary: Updates an alert.
security:
- jwt: []
requestBody:
required: true
content:
application/json:
schema: Alert
parameters:
- in: path
schema: AlertParameterSchema
responses:
'200':
description: The alert has been updated successfully.
content:
application/json:
schema: Alert
'404':
description: Could not find the requested repository.
content:
application/json:
schema: Error
'403':
description: The user is not authorized.
content:
application/json:
schema: Error
'401':
description: The user is not logged in.
content:
application/json:
schema: Error
tags:
- alert-related
put:
summary: Overrides an alert and the conditions.
security:
- jwt: []
requestBody:
required: true
content:
application/json:
schema: Alert
parameters:
- in: path
schema: AlertParameterSchema
responses:
'200':
description: The alert has been updated successfully.
content:
application/json:
schema: Alert
'404':
description: Could not find the requested repository.
content:
application/json:
schema: Error
'403':
description: The user is not authorized.
content:
application/json:
schema: Error
'401':
description: The user is not logged in.
content:
application/json:
schema: Error
tags:
- alert-related
"""
user = find_user(get_jwt_identity())
alert = Alert.query.filter_by(id=aid).first()
if not alert or alert.repository.is_deleted:
return json_error("Could not find alert.", errors.ALERT_NOT_FOUND), 404
if alert.repository not in [a.repository for a in user.authorizations] + user.owner_of:
return json_error("You are not authorized to proceed.", errors.USER_NOT_AUTHORIZED), 403
if request.method == "GET":
return json_success(alert.to_json()), 200
if alert.repository not in user.owner_of:
return json_error("You are not authorized to proceed.", errors.REPOSITORY_NOT_OWNER), 403
if request.method == "PATCH":
if request.json is None:
return json_error("Missing json content.", errors.GENERIC_NO_JSON), 400
if 'name' in request.json:
alert.name = request.json['name']
if 'limit' in request.json:
alert.limit = request.json['limit']
if 'window_size' in request.json:
alert.window_size = request.json['window_size']
if 'evaluation_mode' in request.json:
try:
alert.evaluation_mode = ConditionMode(request.json['evaluation_mode'])
except KeyError:
return json_error("Unknown `evaluation_mode` specified.", errors.GENERIC_ENUM_INVALID), 400
except Exception as e:
return json_error("Unknown error:" + str(e), errors.GENERIC_UFO), 400
ext.session.commit()
return json_success(alert.to_json()), 200
elif request.method == "DELETE":
try:
for elem in alert.conditions:
condition = elem.condition
ext.session.delete(elem)
ext.session.commit()
if not condition.repository_id:
ext.session.delete(condition)
ext.session.commit()
for notification in alert.notifications:
ext.session.delete(notification)
ext.session.commit()
ext.session.delete(alert)
ext.session.commit()
except Exception as e:
return json_error("Something went wrong while deleting alert.", errors.ALERT_DELETION_FAILURE), 500
return json_success("Deletion completed."), 204
elif request.method == "PUT":
if request.json is None:
return json_error("Missing json content.", errors.GENERIC_NO_JSON), 400
if not json_request_authorizer(request.json, alert):
return json_error("Missing one or more parameters in alert json.", errors.GENERIC_MISSING_FIELDS), 400
alert.limit = request.json['limit']
alert.name = request.json['name']
alert.window_size = request.json['window_size']
if (mode := request.json.get("evaluation_mode")) is not None:
try:
alert.evaluation_mode = ConditionMode(mode)
except KeyError:
return json_error("Unknown `evaluation_mode` specified.", errors.GENERIC_ENUM_INVALID), 400
except Exception as e:
return json_error("Unknown error:" + str(e), errors.GENERIC_UFO), 400
if request.json['conditions'] is not None:
# Wow very pythonic so much wow
# Obtain list of no longer needed connections
to_be_deleted = [c.cid for c in alert.conditions if
c.cid not in [json['id'] for json in request.json['conditions']]]
# RIP AND TEAR UNTIL ITS DONE
for elem in to_be_deleted:
conn = MadeOf.query.filter_by(cid=elem, aid=alert.id).first()
if conn:
ext.session.delete(conn)
ext.session.commit()
for c in request.json['conditions']:
if not c.get("id"):
if (type_ := c.get("type")) is None:
return json_error("Missing `type` parameter.", errors.GENERIC_MISSING_FIELDS), 400
try:
type_ = ConditionType(type_)
except KeyError:
return json_error("Unknown `type` specified.", errors.GENERIC_ENUM_INVALID), 400
except Exception as e:
return json_error("Unknown error: " + str(e)), 400
if not (content := c.get("content")):
return json_error("Missing `content` parameter.", errors.GENERIC_MISSING_FIELDS), 400
if type_ == ConditionType.hashtag:
content = hashtag_validator(content)
con = Condition(content=content, type=type_, repository_id=alert.repository_id)
ext.session.add(con)
ext.session.commit()
conn = MadeOf(aid=alert.id, cid=con.id)
ext.session.add(conn)
ext.session.commit()
return json_success(alert.to_json()), 200