1 files changed, 82 insertions, 0 deletions
diff --git a/alarm/node_modules/pronote-api/src/data/dates.js b/alarm/node_modules/pronote-api/src/data/dates.js
new file mode 100644
index 0000000..52377ba
--- /dev/null
+++ b/alarm/node_modules/pronote-api/src/data/dates.js
@@ -0,0 +1,82 @@
+function toPronoteWeek(session, date)
+{
+    const firstWeek = toUTCWeek(session.params.firstDay);
+    const week = toUTCWeek(date);
+
+    if (week >= firstWeek) {
+        return week - firstWeek + 1;
+    }
+
+    return 52 - (firstWeek - week) + 1; // Trust me this works
+}
+
+function toUTCWeek(date)
+{
+    const firstDay = new Date((new Date()).getFullYear(), 0, 1);
+    return Math.ceil((((date - firstDay) / 86400000) + firstDay.getDay() + 1) / 7);
+}
+
+function toPronoteDay(session, date)
+{
+    return Math.ceil((date - session.params.firstDay) / 86400000);
+}
+
+function fromPronoteDay(session, day)
+{
+    const date = new Date(session.params.firstDay.getTime());
+    date.setDate(date.getDate() + day - 1);
+
+    return date;
+}
+
+function toPronoteDate(date)
+{
+    return `${date.getDate()}/${date.getMonth() + 1}/${date.getFullYear()} ` +
+           `${date.getHours()}:${date.getMinutes()}:${date.getSeconds()}`;
+}
+
+function fromPronoteHours(hours)
+{
+    return ~~hours[0] + ~~hours.substring(2) / 60;
+}
+
+function parseDate(string)
+{
+    const date = new Date();
+    const split = string.split(' ');
+
+    const day = split[0].split('/');
+
+    date.setFullYear(~~day[2], (~~day[1]) - 1, ~~day[0]);
+    date.setMilliseconds(0);
+
+    if (split.length > 1)
+    {
+        const time = split[1].split(':');
+
+        date.setHours(~~time[0]);
+        date.setMinutes(~~time[1]);
+        date.setSeconds(~~time[2]);
+    }
+    else
+    {
+        date.setHours(0);
+        date.setMinutes(0);
+        date.setSeconds(0);
+    }
+
+    return date;
+}
+
+module.exports = {
+    toPronoteWeek,
+    toUTCWeek,
+
+    toPronoteDay,
+    fromPronoteDay,
+
+    toPronoteDate,
+    parseDate,
+
+    fromPronoteHours
+};