feat(frontend): add React UI — procurement office, wizard, suppliers, inventory panel (dash port), role-based login

2026-08-25 19:08:15 +03:30
parent 170aed66ea
commit 4e105c5cd5
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+// ============================================================
+// ابزار تقویم شمسی — پورت jalali.js به TypeScript
+// تبدیل‌ها با الگوریتم استاندارد Kazimierz M. Borkowski
+// ============================================================
+
+const FA_DIGITS = ["۰", "۱", "۲", "۳", "۴", "۵", "۶", "۷", "۸", "۹"];
+
+export function div(a: number, b: number): number {
+  return Math.floor(a / b);
+}
+
+export function jalaliToGregorian(jy: number, jm: number, jd: number): [number, number, number] {
+  jy = +jy;
+  jm = +jm;
+  jd = +jd;
+  let gy = jy <= 979 ? 621 : 1600;
+  jy -= jy <= 979 ? 0 : 979;
+  let days =
+    365 * jy +
+    div(jy, 33) * 8 +
+    div((jy % 33) + 3, 4) +
+    78 +
+    jd +
+    (jm < 7 ? (jm - 1) * 31 : (jm - 7) * 30 + 186);
+  gy += 400 * div(days, 146097);
+  days %= 146097;
+  if (days > 36524) {
+    gy += 100 * div(--days, 36524);
+    if (days === 36524) days = 0;
+    days++;
+  }
+  gy += 4 * div(days, 1461);
+  days %= 1461;
+  if (days > 365) {
+    gy += div(days - 1, 365);
+    days = (days - 1) % 365;
+  }
+  let gd = days + 1;
+  const sal_a = [0, 31, (gy % 4 === 0 && gy % 100 !== 0) || gy % 400 === 0 ? 29 : 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];
+  let gm = 0;
+  for (; gm < 13 && gd > sal_a[gm]; gm++) gd -= sal_a[gm];
+  return [gy, gm, gd];
+}
+
+export function gregorianToJalali(gy: number, gm: number, gd: number): [number, number, number] {
+  gy = +gy;
+  gm = +gm;
+  gd = +gd;
+  const g_d_m = [0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334];
+  let jy = gy <= 1600 ? 0 : 979;
+  gy -= gy <= 1600 ? 621 : 1600;
+  let days =
+    365 * gy +
+    div(gy + 3, 4) -
+    div(gy + 99, 100) +
+    div(gy + 399, 400) -
+    80 +
+    gd +
+    g_d_m[gm - 1];
+  jy += 33 * div(days, 12053);
+  days %= 12053;
+  jy += 4 * div(days, 1461);
+  days %= 1461;
+  if (days > 365) {
+    jy += div(days - 1, 365);
+    days = (days - 1) % 365;
+  }
+  const jm = days < 186 ? 1 + div(days, 31) : 7 + div(days - 186, 30);
+  const jd = 1 + (days < 186 ? days % 31 : (days - 186) % 30);
+  return [jy, jm, jd];
+}
+
+export function isLeapJalali(jy: number): boolean {
+  const breaks = [-61, 9, 38, 199, 426, 686, 756, 818, 1111, 1181, 1210, 1635, 2060, 2097, 2192, 2262, 2324, 2394, 2456, 3178];
+  const jp = breaks[0];
+  const jm = breaks[1];
+  let jump = 0;
+  let jp2 = jp;
+  for (const jl of breaks) {
+    jump = jl - jp2;
+    if (jy <= jl) break;
+    jp2 = jl;
+  }
+  let n = jy - jm;
+  if (n < jump) n = n + jump + 1;
+  return (n % 33) % 4 === 1;
+}
+
+// ---------- formatting (Persian digits) ----------
+export function toFa(s: string | number): string {
+  return String(s).replace(/[0-9]/g, (d) => FA_DIGITS[Number(d)]);
+}
+
+// ماه‌های شمسی (نسخه‌ی درست‌شده — «مهر» به‌جای «آذر» تکراری)
+export const MONTHS = [
+  "فروردین", "اردیبهشت", "خرداد", "تیر", "مرداد", "شهریور",
+  "مهر", "آبان", "آذر", "دی", "بهمن", "اسفند",
+];
+
+export const WEEKDAYS = ["ش", "ی", "د", "س", "چ", "پ", "ج"];
+
+function toEnSafe(s: string): string {
+  return String(s).replace(/[۰-۹]/g, (d) => String("۰۱۲۳۴۵۶۷۸۹".indexOf(d)));
+}
+
+// format an ISO (gregorian) string to "۱۴۰۳/۰۵/۱۲"
+export function isoToJalaliStr(iso: string | null | undefined): string {
+  if (!iso) return "";
+  const d = new Date(iso);
+  if (Number.isNaN(d.getTime())) return "";
+  const [jy, jm, jd] = gregorianToJalali(d.getFullYear(), d.getMonth() + 1, d.getDate());
+  return `${toFa(jy)}/${toFa(String(jm).padStart(2, "0"))}/${toFa(String(jd).padStart(2, "0"))}`;
+}
+
+// format with month name: "۱۸ مرداد ۱۴۰۴"
+export function isoToJalaliLong(iso: string | null | undefined): string {
+  if (!iso) return "";
+  const d = new Date(iso);
+  if (Number.isNaN(d.getTime())) return "";
+  const [jy, jm, jd] = gregorianToJalali(d.getFullYear(), d.getMonth() + 1, d.getDate());
+  return `${toFa(jd)} ${MONTHS[jm - 1]} ${toFa(jy)}`;
+}
+
+// parse a jalali "yyyy/m/d" string to a JS Date (gregorian) at local midnight
+export function jalaliStrToIso(str: string | null | undefined): string | null {
+  if (!str) return null;
+  const nums = String(str)
+    .split(/[/\-.]/)
+    .map((x) => parseInt(toEnSafe(x), 10));
+  if (nums.length < 3 || nums.some((n) => Number.isNaN(n))) return null;
+  const [jy, jm, jd] = nums;
+  const [gy, gm, gd] = jalaliToGregorian(jy, jm, jd);
+  const dt = new Date(gy, gm - 1, gd);
+  return Number.isNaN(dt.getTime()) ? null : dt.toISOString();
+}
+
+export function daysInMonth(jy: number, jm: number): number {
+  if (jm <= 6) return 31;
+  if (jm <= 11) return 30;
+  return isLeapJalali(jy) ? 30 : 29;
+}