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web_techsystech/web_pwa_oca/controllers/service_worker.py

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2.6 KiB
Python

# Copyright 2021 Tecnativa - Alexandre D. Díaz
# License LGPL-3.0 or later (https://www.gnu.org/licenses/lgpl).
from odoo.http import request, route
from .main import PWA
class ServiceWorker(PWA):
JS_PWA_CORE_EVENT_INSTALL = """
self.addEventListener('install', evt => {{
console.log('[ServiceWorker] Installing...');
{}
}});
"""
JS_PWA_CORE_EVENT_FETCH = """
self.addEventListener('fetch', evt => {{
{}
}});
"""
JS_PWA_CORE_EVENT_ACTIVATE = """
self.addEventListener('activate', evt => {{
{}
}});
"""
JS_PWA_MAIN = """
self.importScripts(...{pwa_scripts});
odoo.define("web_pwa_oca.ServiceWorker", function (require) {{
"use strict";
{pwa_requires}
{pwa_init}
{pwa_core_event_install}
{pwa_core_event_activate}
{pwa_core_event_fetch}
}});
"""
def _get_js_pwa_requires(self):
return """
const PWA = require('web_pwa_oca.PWA');
"""
def _get_js_pwa_init(self):
return """
const oca_pwa = new PWA({});
""".format(self._get_pwa_params())
def _get_js_pwa_core_event_install_impl(self):
return """
evt.waitUntil(oca_pwa.installWorker());
self.skipWaiting();
"""
def _get_js_pwa_core_event_activate_impl(self):
return """
console.log('[ServiceWorker] Activating...');
evt.waitUntil(oca_pwa.activateWorker());
self.clients.claim();
"""
def _get_js_pwa_core_event_fetch_impl(self):
return ""
@route("/service-worker.js", type="http", auth="public")
def render_service_worker(self):
"""Route to register the service worker in the 'main' scope ('/')"""
sw_code = self.JS_PWA_MAIN.format(**{
'pwa_scripts': self._get_pwa_scripts(),
'pwa_requires': self._get_js_pwa_requires(),
'pwa_init': self._get_js_pwa_init(),
'pwa_core_event_install': self.JS_PWA_CORE_EVENT_INSTALL.format(
self._get_js_pwa_core_event_install_impl()),
'pwa_core_event_activate': self.JS_PWA_CORE_EVENT_ACTIVATE.format(
self._get_js_pwa_core_event_activate_impl()),
'pwa_core_event_fetch': self.JS_PWA_CORE_EVENT_FETCH.format(
self._get_js_pwa_core_event_fetch_impl()),
})
return request.make_response(
sw_code,
[('Content-Type', "text/javascript;charset=utf-8"),
('Content-Length', len(sw_code))])