text: import logging
  import time
  from random import choice
  from string import ascii_uppercase
  
  from flask import Blueprint, request, g
  from flask_restx import Resource
  from schema import SchemaError
  
  from leek.api.decorators import auth
  from leek.api.utils import generate_app_key, init_trigger
  from leek.api.schemas.application import ApplicationSchema, TriggerSchema
  from leek.api.db import template as apps
  from leek.api.routes.api_v1 import api_v1
  
  applications_bp = Blueprint('applications', __name__, url_prefix='/v1/applications')
  applications_ns = api_v1.namespace('applications', 'Manage Leek Applications')
  
  logger = logging.getLogger(__name__)
  
  
  @applications_ns.route('/')
  class Applications(Resource):
  
      @auth
      def post(self):
          """
          Create application
          """
          data = request.get_json()
          app = ApplicationSchema.validate(data)
  
          if hasattr(g, "email"):
              app["owner"] = g.email
          else:
              app["owner"] = "public"
  
          template_name = f"{g.org_name}-{app['app_name']}"
          app["app_key"] = generate_app_key()
          app["created_at"] = int(round(time.time() * 1000))
  
          return apps.create_index_template(
              index_alias=template_name,
              lifecycle_policy_name="default",
              meta=app
          )
  
      @auth
      def get(self):
          """
          Retrieve organization applications
          """
          return apps.get_index_templates(g.org_name)
  
      @auth(only_app_owner=True)
      def delete(self):
          """
          Delete application
          """
          return apps.delete_application(g.index_alias)
  
  
  @applications_ns.route('/purge')
  class PurgeApplication(Resource):
  
      @auth(only_app_owner=True)
      def delete(self):
          """
          Purge application
          """
  
          return apps.purge_application(g.index_alias)
  
  
  @applications_ns.route('/clean')
  class CleanApplication(Resource):
  
      @auth(only_app_owner=True)
      def delete(self):
          """
          Clean application
          """
          data = request.args.to_dict()
          return apps.clean_documents_older_than(
              g.index_alias,
              kind=data["kind"],
              count=data["count"],
              unit=data["unit"]
          )
  
  
  @applications_ns.route('/indices')
  class ApplicationIndices(Resource):
  
      @auth
      def get(self):
          """
          List application indices
          """
  
          return apps.get_application_indices(g.index_alias)
  
  
  @applications_ns.route('/fo-triggers')
  class AddFanoutTriggers(Resource):
  
      @auth(only_app_owner=True)
      def post(self):
          """
          Create fanout trigger
          """
          data = request.get_json()
          trigger = TriggerSchema.validate(data)
          trigger["id"] = ''.join(choice(ascii_uppercase) for i in range(10))
  
          if not init_trigger(trigger, g.app_name):
              raise SchemaError(f"Invalid webhook URL")
  
          return apps.add_or_update_app_fo_trigger(
              index_alias=g.index_alias,
              trigger=trigger
          )
  
  
  @applications_ns.route('/fo-triggers/<string:trigger_id>')
  class UpdateFanoutTriggers(Resource):
  
      @auth(only_app_owner=True)
      def put(self, trigger_id):
          """
          Edit fanout trigger
          """
          data = request.get_json()
          trigger = TriggerSchema.validate(data)
          trigger["id"] = trigger_id
  
          if not init_trigger(trigger, g.app_name):
              raise SchemaError(f"Invalid webhook URL")
  
          return apps.add_or_update_app_fo_trigger(
              index_alias=g.index_alias,
              trigger=trigger
          )
  
      @auth(only_app_owner=True)
      def delete(self, trigger_id):
          return apps.delete_app_fo_trigger(
              index_alias=g.index_alias,
              trigger_id=trigger_id
          )
  