wip on app2

src/Bundle/ChillMainBundle/Resources/public/chill/js/date.ts

@@ -0,0 +1,156 @@
+/**
+ * Some utils for manipulating dates
+ *
+ * **WARNING** experimental
+ */
+
+/**
+ * Return the date to local ISO date, like YYYY-mm-dd
+ *
+ * The date is valid for the same timezone as the date's locale
+ *
+ * Do not take time into account
+ *
+ */
+export const dateToISO = (date: Date|null): string|null => {
+    if (null === date) {
+        return null;
+    }
+
+    return [
+        date.getFullYear(),
+        (date.getMonth() + 1).toString().padStart(2, '0'),
+        date.getDate().toString().padStart(2, '0')
+    ].join('-');
+};
+
+/**
+ * Return a date object from iso string formatted as YYYY-mm-dd
+ *
+ * **Experimental**
+ */
+export const ISOToDate = (str: string|null): Date|null => {
+    if (null === str) {
+        return null;
+    }
+    if ("" === str.trim()) {
+        return null;
+    }
+
+    let
+        [year, month, day] = str.split('-').map(p => parseInt(p));
+
+    return new Date(year, month-1, day);
+}
+
+/**
+ * Return a date object from iso string formatted as YYYY-mm-dd:HH:MM:ss+01:00
+ *
+ */
+export const ISOToDatetime = (str: string|null): Date|null => {
+    if (null === str) {
+        return null;
+    }
+
+    let
+        [cal, times] = str.split('T'),
+        [year, month, date] = cal.split('-').map(s => parseInt(s)),
+        [time, timezone] = times.split(times.charAt(8)),
+        [hours, minutes, seconds] = time.split(':').map(s => parseInt(s));
+    ;
+
+    return new Date(year, month-1, date, hours, minutes, seconds);
+}
+
+/**
+ * Convert a date to ISO8601, valid for usage in api
+ *
+ */
+export const datetimeToISO = (date: Date): string => {
+    let cal, time, offset;
+    cal = [
+        date.getFullYear(),
+        (date.getMonth() + 1).toString().padStart(2, '0'),
+        date.getDate().toString().padStart(2, '0')
+    ].join('-');
+
+    time = [
+        date.getHours().toString().padStart(2, '0'),
+        date.getMinutes().toString().padStart(2, '0'),
+        date.getSeconds().toString().padStart(2, '0')
+    ].join(':');
+
+    offset = [
+        date.getTimezoneOffset() <= 0 ? '+' : '-',
+        Math.abs(Math.floor(date.getTimezoneOffset() / 60)).toString().padStart(2, '0'),
+        ':',
+        Math.abs(date.getTimezoneOffset() % 60).toString().padStart(2, '0'),
+    ].join('');
+
+    let x = cal + 'T' + time + offset;
+
+    return x;
+};
+
+export const intervalDaysToISO = (days: number|string|null): string => {
+    if (null === days) {
+        return 'P0D';
+    }
+
+    return `P${days}D`;
+}
+
+export const intervalISOToDays = (str: string|null): number|null => {
+    if (null === str) {
+        return null
+    }
+
+    if ("" === str.trim()) {
+        return null;
+    }
+
+    let days = 0;
+    let isDate = true;
+    let vstring = "";
+    for (let i = 0; i < str.length; i = i + 1) {
+        if (!isDate) {
+            continue;
+        }
+        switch (str.charAt(i)) {
+            case 'P':
+                isDate = true;
+                break;
+            case 'T':
+                isDate = false;
+                break;
+            case '0':
+            case '1':
+            case '2':
+            case '3':
+            case '4':
+            case '5':
+            case '6':
+            case '7':
+            case '8':
+            case '9':
+                vstring = vstring + str.charAt(i);
+                break;
+            case 'Y':
+                days = days + Number.parseInt(vstring) * 365;
+                vstring = "";
+                break;
+            case 'M':
+                days = days + Number.parseInt(vstring) * 30;
+                vstring = "";
+                break;
+            case 'D':
+                days = days + Number.parseInt(vstring);
+                vstring = "";
+                break;
+            default:
+                throw Error("this character should not appears: " + str.charAt(i));
+        }
+    }
+
+    return days;
+}