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extract-context.js
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extract-context.js
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"use strict";
const Sealious = require("../../lib/main");
function create_anonymous_session(app) {
return app.run_action(
new Sealious.SuperContext(),
["collections", "anonymous-sessions"],
"create",
{ "anonymous-session-id": null, "anonymous-user-id": null } //need to provide null here so the ids are genreated. Skipping the field would leave them "undefined"
);
}
function get_anonymous_session(app, anon_session_id) {
return app
.run_action(
new Sealious.SuperContext(),
["collections", "anonymous-sessions"],
"show",
{
filter: { "anonymous-session-id": anon_session_id },
}
)
.then(function(sealious_response) {
if (sealious_response.empty) {
return create_anonymous_session(app);
} else {
return sealious_response.items[0];
}
});
}
async function extract_context(app, request) {
const config = app.ConfigManager.get("www-server");
const cookie_name = config["session-cookie-name"];
const anon_cookie_name = config["anonymous-cookie-name"];
let session_id = request.state[cookie_name];
let anon_session_is_new = request.state[anon_cookie_name] === undefined;
let anonymous_session_id = null;
let get_anonymous_data = null;
if (anon_session_is_new) {
get_anonymous_data = create_anonymous_session(app);
} else {
anonymous_session_id = request.state[anon_cookie_name];
get_anonymous_data = get_anonymous_session(app, anonymous_session_id);
}
let anonymous_user_id = null;
await get_anonymous_data.then(function(anon_session) {
anonymous_session_id = anon_session["anonymous-session-id"];
anonymous_user_id = anon_session["anonymous-user-id"];
});
const sealious_response = await app.run_action(
new Sealious.SuperContext(),
["collections", "sessions"],
"show",
{ filter: { "session-id": session_id } }
);
const timestamp = Date.now();
const ip = request.info.remoteAddress;
let user;
if (sealious_response.empty) {
session_id = undefined;
} else {
user = sealious_response.items[0].user;
}
return new Sealious.Context(
timestamp,
ip,
user,
session_id,
anonymous_session_id,
anon_session_is_new,
anonymous_user_id
);
}
module.exports = extract_context;

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