wip

src/app/shared/util.ts

@@ -1,8 +1,15 @@
+//import * as moment from 'moment-timezone/builds/moment-timezone-with-data-2012-2022.min';
+import * as moment from 'moment-timezone';
+
+const defaultTz = moment.tz.guess();
+
 export class Util {
-  static getLocalDateString(input: Date) {
-    let year = input.getFullYear().toString();
-    let month = (input.getMonth() + 1).toString();
-    let date = input.getDate().toString();
+  static getLocalDateString(input: Date, tz: string = defaultTz) {
+    let m = moment(input).tz(tz);
+
+    let year = m.format('YYYY');
+    let month = m.format('MM');
+    let date = m.format('DD');
 
     if(month.length < 2) {
       month = '0' + month;
@@ -15,14 +22,112 @@ export class Util {
     return year + '-' + month + '-' + date;
   }
 
-  static getDateFromLocalDateString(input: string) {
-    let parts = input.split('-');
-    let date = new Date();
-    date.setHours(0, 0, 0, 0);
-    date.setFullYear(parseInt(parts[0]));
-    date.setMonth(parseInt(parts[1]) - 1, parseInt(parts[2]));
+  static getLocalDateStringExcl(input: Date, tz: string = defaultTz) {
+    let m = moment(input.getTime() - 1).tz(tz);
 
-    return date;
+    let year = m.format('YYYY');
+    let month = m.format('MM');
+    let date = m.format('DD');
+
+    if(month.length < 2) {
+      month = '0' + month;
+    }
+
+    if(date.length < 2) {
+      date = '0' + date;
+    }
+
+    return year + '-' + month + '-' + date;
+  }
+
+  static getDateFromLocalDateString(input: string, tz: string = defaultTz) {
+    let parts = input.split('-');
+
+    let m = moment().tz(tz);
+    m.hours(0);
+    m.minutes(0);
+    m.seconds(0);
+    m.milliseconds(0);
+    m.year(parseInt(parts[0]));
+    m.month(parseInt(parts[1]) - 1);
+    m.date(parseInt(parts[2]));
+
+    return m.toDate();
+  }
+
+  static getDateFromLocalDateStringExcl(input: string, tz: string = defaultTz) {
+    let parts = input.split('-');
+
+    let m = moment().tz(tz);
+    m.hours(0);
+    m.minutes(0);
+    m.seconds(0);
+    m.milliseconds(0);
+    m.year(parseInt(parts[0]));
+    m.month(parseInt(parts[1]) - 1);
+    m.date(parseInt(parts[2]) + 1);
+
+    return m.toDate();
+  }
+
+  static setFirstOfMonth(input: Date, tz: string = defaultTz) {
+    let m = moment(input).tz(tz);
+
+    m.date(1);
+    input.setTime(m.valueOf());
+  }
+
+  static setBeginOfDay(input: Date, tz: string = defaultTz) {
+    let m = moment(input).tz(tz);
+
+    m.hours(0);
+    m.minutes(0);
+    m.seconds(0);
+    m.milliseconds(0);
+    input.setTime(m.valueOf());
+  }
+
+  static setEndOfDay(input: Date, tz: string = defaultTz) {
+    let m = moment(input).tz(tz);
+
+    m.hours(23);
+    m.minutes(59);
+    m.seconds(59);
+    m.milliseconds(999);
+    input.setTime(m.valueOf());
+  }
+
+  static getOneMonthLater(input: Date, tz: string = defaultTz): Date {
+    let m = moment(input).tz(tz);
+
+    m.month(m.month() + 1);
+
+    return m.toDate();
+  }
+
+  static computeTransactionDate(formDate: Date, txDate: Date, tz: string = defaultTz): Date {
+    if(!formDate || !formDate.getTime()) {
+      return txDate;
+    }
+
+    let formMoment = moment(formDate).tz(tz);
+    let txMoment = moment(txDate).tz(tz);
+
+    // make the time be at the very end of the day
+    formMoment.hours(23);
+    formMoment.minutes(59);
+    formMoment.seconds(59);
+    formMoment.milliseconds(999);
+
+    let sameDay = formMoment.year() === txMoment.year() &&
+      formMoment.month() === txMoment.month() &&
+      formMoment.date() === txMoment.date();
+
+    if(!sameDay) {
+      return formMoment.toDate();
+    }
+
+    return txDate;
   }
 
   static newGuid() {