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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(anon_sessions) {
if (anon_sessions.length === 0) {
return create_anonymous_session(app);
} else {
return anon_sessions[0];
}
});
}
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"];
var d = new Date();
var timestamp = d.getTime();
var ip = request.info.remoteAddress;
const session_id = request.state[cookie_name];
let anon_session_is_new = request.state[anon_cookie_name] === undefined;
let anonymous_user_id = null;
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);
}
return get_anonymous_data
.then(function(anon_session) {
anonymous_session_id = anon_session.body["anonymous-session-id"];
anonymous_user_id = anon_session.body["anonymous-user-id"];
})
.then(function() {
return app.run_action(
new Sealious.SuperContext(),
["collections", "sessions"],
"show",
{ filter: { "session-id": session_id } }
);
})
.then(function(results) {
if (results.length === 0) {
return new Sealious.Context(
timestamp,
ip,
undefined,
undefined,
anonymous_session_id,
anon_session_is_new,
anonymous_user_id
);
} else {
return new Sealious.Context(
timestamp,
ip,
results[0].body.user,
session_id,
anonymous_session_id,
anon_session_is_new,
anonymous_user_id
);
}
});
}
module.exports = extract_context;

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