65 lines
1.5 KiB
JavaScript
65 lines
1.5 KiB
JavaScript
let constants = require('./constants');
|
|
|
|
let cache = {}
|
|
|
|
|
|
function equalItems(a, b) {
|
|
if ( (typeof(a) === 'undefined') || a.isOffline || b.isOffline ) {
|
|
return false;
|
|
}
|
|
if (
|
|
(a.type === "loading") || (a.type === "interlude")
|
|
|| (b.type === "loading") || (b.type === "interlude")
|
|
) {
|
|
return (a.type === b.type);
|
|
}
|
|
if (a.type != b.type) {
|
|
return false;
|
|
}
|
|
if (a.type !== "program") {
|
|
console.log("no idea how to compare this: " + JSON.stringify(a).slice(0,100) );
|
|
console.log(" with this: " + JSON.stringify(b).slice(0,100) );
|
|
}
|
|
return a.title === b.title;
|
|
|
|
}
|
|
|
|
|
|
function wereThereTooManyAttempts(sessionId, lineupItem) {
|
|
|
|
let t1 = (new Date()).getTime();
|
|
|
|
let previous = cache[sessionId];
|
|
let result = false;
|
|
|
|
if (typeof(previous) === 'undefined') {
|
|
previous = cache[sessionId] = {
|
|
t0: t1 - constants.TOO_FREQUENT * 5,
|
|
lineupItem: null,
|
|
};
|
|
} else if (t1 - previous.t0 < constants.TOO_FREQUENT) {
|
|
//certainly too frequent
|
|
result = equalItems( previous.lineupItem, lineupItem );
|
|
}
|
|
|
|
cache[sessionId] = {
|
|
t0: t1,
|
|
lineupItem : lineupItem,
|
|
};
|
|
|
|
setTimeout( () => {
|
|
if (
|
|
(typeof(cache[sessionId]) !== 'undefined')
|
|
&&
|
|
(cache[sessionId].t0 === t1)
|
|
) {
|
|
delete cache[sessionId];
|
|
}
|
|
}, constants.TOO_FREQUENT * 5 );
|
|
|
|
return result;
|
|
|
|
}
|
|
|
|
module.exports = wereThereTooManyAttempts;
|