From 22ecae5887210e3d3a3d28a2a4ba14a2de75e941 Mon Sep 17 00:00:00 2001
From: Eric Schultz <eric@wwahammy.com>
Date: Mon, 1 Oct 2018 15:31:18 -0500
Subject: [PATCH] Add new lib functions

---
 javascripts/src/lib/date.ts              | 63 ++++++++++++++++++++++++
 javascripts/src/lib/dedication.ts        | 22 +++++++++
 javascripts/src/lib/deprecated_format.ts | 15 ++++++
 javascripts/src/lib/format.spec.ts       | 22 +++++++++
 javascripts/src/lib/format.ts            | 57 +++++++++++++++++++++
 javascripts/src/lib/utils.ts             |  4 ++
 6 files changed, 183 insertions(+)
 create mode 100644 javascripts/src/lib/date.ts
 create mode 100644 javascripts/src/lib/dedication.ts
 create mode 100644 javascripts/src/lib/deprecated_format.ts
 create mode 100644 javascripts/src/lib/format.spec.ts
 create mode 100644 javascripts/src/lib/format.ts
 create mode 100644 javascripts/src/lib/utils.ts

diff --git a/javascripts/src/lib/date.ts b/javascripts/src/lib/date.ts
new file mode 100644
index 00000000..86ecdb7d
--- /dev/null
+++ b/javascripts/src/lib/date.ts
@@ -0,0 +1,63 @@
+// License: LGPL-3.0-or-later
+import * as moment from 'moment';
+import 'moment-timezone'
+
+function momentTz(date:string, timezone:string='UTC'):moment.Moment {
+  return moment.tz(date, "YYYY-MM-DD HH:mm:ss", 'UTC').tz(timezone)
+}
+
+// Return a date in the format MM/DD/YY for a given date string or moment obj
+export function readable_date(date?:string, timezone:string='UTC'):string {
+  if(!date) return
+  return momentTz(date,timezone).format("MM/DD/YYYY")
+}
+
+// Given a created_at string (eg. Charge.last.created_at.to_s), convert it to a readable date-time string
+export function readable_date_time(date?:string, timezone:string='UTC'):string {
+  if(!date) return
+  return momentTz(date,timezone).format("MM/DD/YYYY H:mma z")
+}
+
+
+// converts the return value of readable_date_time to it's ISO equivalent
+export function readable_date_time_to_iso(date?:string, timezone:string='UTC') {
+  if(!date) return
+  return moment.tz(date, 'MM/DD/YYYY H:mma z', timezone)
+    .tz('UTC')
+    .toISOString()
+}
+
+// Get the month number (eg 01,02...) for the given date string (or moment obj)
+export function get_month(date:string|moment.Moment) {
+  var monthNum = moment(date).month()
+  return moment().month(monthNum).format('MMM')
+}
+
+// Get the year (eg 2017) for the given date string (or moment obj)
+export function get_year(date:string|moment.Moment) {
+  return moment(date).year()
+}
+
+// Get the day (number in the month) for the given date string (or moment obj)
+export function get_day(date:string|moment.Moment) {
+  return moment(date).date()
+}
+
+
+export class NonprofitTimezonedDates {
+  constructor(readonly nonprofitTimezone:string){
+
+  }
+
+  readable_date(date?:string):string{
+    return readable_date(date, this.nonprofitTimezone || 'UTC')
+  }
+
+  readable_date_time(date?:string):string {
+    return readable_date_time(date, this.nonprofitTimezone || 'UTC')
+  }
+
+  readable_date_time_to_iso(date?:string):string {
+    return readable_date_time_to_iso(date, this.nonprofitTimezone || 'UTC')
+  }
+}
\ No newline at end of file
diff --git a/javascripts/src/lib/dedication.ts b/javascripts/src/lib/dedication.ts
new file mode 100644
index 00000000..1ebe9a95
--- /dev/null
+++ b/javascripts/src/lib/dedication.ts
@@ -0,0 +1,22 @@
+// License: LGPL-3.0-or-later
+export interface Dedication {
+  type?:'honor'|'memory',
+  supporter_id?: number,
+  name?:string
+  contact?: string,
+  note?:string
+}
+
+export function parseDedication(dedication?:string) : Dedication {
+  if (!dedication || dedication == "")
+    return {}
+  return JSON.parse(dedication)
+}
+
+export function serializeDedication(dedication:Dedication) : string {
+  return JSON.stringify(dedication)
+}
+
+
+
+
diff --git a/javascripts/src/lib/deprecated_format.ts b/javascripts/src/lib/deprecated_format.ts
new file mode 100644
index 00000000..25abd63e
--- /dev/null
+++ b/javascripts/src/lib/deprecated_format.ts
@@ -0,0 +1,15 @@
+// License: LGPL-3.0-or-later
+
+export function pluralize(quantity:number, plural_word:string) : string{
+  var str = String(quantity) + ' '
+  if(quantity !== 1) return str+plural_word
+  else return str + to_singular(plural_word)
+}
+
+
+export function to_singular(plural_word:string) : string {
+  return plural_word
+    .replace(/ies$/, 'y')
+    .replace(/oes$/, 'o')
+    .replace(/s$/, '')
+}
\ No newline at end of file
diff --git a/javascripts/src/lib/format.spec.ts b/javascripts/src/lib/format.spec.ts
new file mode 100644
index 00000000..954bc7c6
--- /dev/null
+++ b/javascripts/src/lib/format.spec.ts
@@ -0,0 +1,22 @@
+// License: LGPL-3.0-or-later
+import * as Format from './format'
+import 'jest';
+
+
+describe('Format.dollarsToCents', () => {
+
+  const expectedAmount = 120
+
+  test("accepts negative amounts",() =>
+    expect(Format.dollarsToCents("-1.20")).toBe(expectedAmount* -1)
+  )
+
+  test("strips commas and dollar signs",() =>
+    expect(Format.dollarsToCents("$1,20")).toBe(expectedAmount* 100)
+  )
+
+  test("properly handles slightly shorter than normal decimals",() =>
+    expect(Format.dollarsToCents("$1.2")).toBe(expectedAmount)
+  )
+
+})
\ No newline at end of file
diff --git a/javascripts/src/lib/format.ts b/javascripts/src/lib/format.ts
new file mode 100644
index 00000000..6f872f06
--- /dev/null
+++ b/javascripts/src/lib/format.ts
@@ -0,0 +1,57 @@
+// License: LGPL-3.0-or-later
+
+import * as deprecated_format from './deprecated_format'
+
+export function centsToDollars(cents:string|number|undefined, options:{noCents?:boolean}={}):string {
+  if(cents === undefined) return '0'
+  let centsAsNumber:number = undefined
+  if (typeof cents === 'string')
+  {
+    centsAsNumber = Number(cents)
+  }
+  else {
+    centsAsNumber = cents
+  }
+  return numberWithCommas((centsAsNumber / 100.0).toFixed(options.noCents ? 0 : 2).toString()).replace(/\.00$/,'')
+}
+
+export function dollarsToCents(dollars:string) {
+  //strips
+  dollars = dollars.toString().replace(/[$,]/g, '')
+  if(dollars.match(/^-?\d+\.\d$/)) {
+    // could we use toFixed instead? Probably but this is straightforward.
+    dollars = dollars + "0"
+  }
+  if(!dollars.match(/^-?\d+(\.\d\d)?$/)) throw "Invalid dollar amount: " + dollars
+  return Math.round(Number(dollars) * 100)
+}
+
+export function numberWithCommas(n:string|number):string {
+  return String(n).replace(/\B(?=(\d{3})+(?!\d))/g, ",")
+}
+
+export function camelToWords(str:string, os?:any) {
+  if(!str) return str
+  return str.replace(/([A-Z])/g, " $1")
+}
+
+export function readableKind(kind:string) {
+  if (kind === "Donation") return "One-Time Donation"
+  else if (kind === "OffsitePayment") return "Offsite Donation"
+  else if (kind === "Ticket") return "Ticket Purchase"
+  else return camelToWords(kind)
+}
+
+
+
+export function readableInterval(interval:number, time_unit:string) {
+  if(interval === 1) return time_unit + 'ly'
+  if(interval === 4 && time_unit === 'year') return 'quarterly'
+  if(interval === 2 && time_unit === 'year') return 'biannually'
+  if(interval === 2 && time_unit === 'week') return 'biweekly'
+  if(interval === 2 && time_unit === 'month') return 'bimonthly'
+  else return 'every ' + deprecated_format.pluralize(Number(interval), time_unit + 's')
+}
+
+
+
diff --git a/javascripts/src/lib/utils.ts b/javascripts/src/lib/utils.ts
new file mode 100644
index 00000000..6b0001b4
--- /dev/null
+++ b/javascripts/src/lib/utils.ts
@@ -0,0 +1,4 @@
+// License: LGPL-3.0-or-later
+export function castToNullIfUndef<T>(i:T): T | null{
+  return i === undefined ? null : i
+}
\ No newline at end of file