feat(tahesab): net sales by factor, group, and commission
Report weight after returns for the selected period, with parent customer groups and separate silver and investment commission. Co-authored-by: Cursor <cursoragent@cursor.com>
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Cursor
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/** طبقه‌بندی و خالص‌کردن فروش/خرید بعد از مرجوعی، برای گزارش ته‌حساب. */
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export const SALES_FACTOR_KEYS = [
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'karsakhte',
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'etiket_gold',
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'etiket_jewel',
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'bullion',
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'other',
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] as const;
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export type SalesFactorKey = (typeof SALES_FACTOR_KEYS)[number];
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export const SALES_FACTOR_LABELS: Record<SalesFactorKey, string> = {
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karsakhte: 'کار ساخته',
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etiket_gold: 'اتیکت طلا',
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etiket_jewel: 'اتیکت جواهر',
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bullion: 'شمش و سکه',
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other: 'سایر',
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};
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export type DocDirection = 'in' | 'out' | 'purchase_return' | 'sale_return' | 'other';
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export type SalesDoc = {
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bucketKey: string;
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factor: SalesFactorKey;
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direction: DocDirection;
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weight: number;
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mali: number;
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count: number;
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percent: number | null;
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tarikh: string;
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};
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export type PercentStats = {
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first: number | null;
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last: number | null;
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min: number | null;
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max: number | null;
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avg: number | null;
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};
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export type MovementStats = {
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grossWeight: number;
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returnWeight: number;
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netWeight: number;
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grossMali: number;
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returnMali: number;
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netMali: number;
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grossCount: number;
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returnCount: number;
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netCount: number;
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percent: PercentStats | null;
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};
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const EMPTY_MOVE: MovementStats = {
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grossWeight: 0,
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returnWeight: 0,
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netWeight: 0,
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grossMali: 0,
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returnMali: 0,
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netMali: 0,
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grossCount: 0,
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returnCount: 0,
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netCount: 0,
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percent: null,
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};
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function norm(raw: string): string {
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return raw.replace(/\u064A/g, '\u06CC').replace(/\u0643/g, '\u06A9').replace(/\s+/g, ' ').trim();
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}
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export function classifyDirection(noRaw: string): DocDirection {
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const no = norm(noRaw);
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if (no.includes('ورود کارساخته مرجوع')) return 'sale_return';
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if (no.includes('خروج کارساخته مرجوع')) return 'purchase_return';
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if (no.includes('ورود کارساخته')) return 'in';
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if (no.includes('خروج کارساخته')) return 'out';
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const isReturn = /مرجوع|برگشت/.test(no);
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const isBuy = /خرید/.test(no);
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const isSell = /فروش/.test(no);
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if (isReturn && isBuy) return 'purchase_return';
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if (isReturn) return 'sale_return';
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if (isBuy || (/ورود/.test(no) && !isReturn)) return 'in';
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if (isSell || (/خروج/.test(no) && !isReturn)) return 'out';
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return 'other';
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}
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export function classifyFactor(noRaw: string, noKar: string | null | undefined): SalesFactorKey {
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const blob = norm(`${noRaw} ${noKar ?? ''}`);
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if (blob.includes('کارساخته') || blob.includes('کار ساخته')) return 'karsakhte';
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if (/شمش|سکه/.test(blob)) return 'bullion';
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if (/جواهر|ساچمه/.test(blob)) return 'etiket_jewel';
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if (blob.includes('اتیکت')) return 'etiket_gold';
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return 'other';
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}
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export function combinedPercent(
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darsad: number | null | undefined,
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talayee: number | null | undefined,
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maliat: number | null | undefined,
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): number | null {
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const parts = [darsad, talayee, maliat].filter(
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(n): n is number => n != null && Number.isFinite(n),
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);
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if (!parts.length) return null;
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return parts.reduce((sum, n) => sum + n, 0);
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}
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export function positiveAmount(vazn: number | null | undefined, tabdil: number | null | undefined): number {
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if (vazn != null && Number.isFinite(vazn) && vazn !== 0) return Math.abs(vazn);
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if (tabdil != null && Number.isFinite(tabdil)) return Math.abs(tabdil);
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return 0;
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}
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type Piece = {
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tarikh: string;
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seq: number;
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weight: number;
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mali: number;
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count: number;
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percent: number | null;
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};
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/** مرجوعی از آخرین سندهای همان نام کم می‌شود تا فروش/خریدِ برگشتی در آمار نماند. */
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function remainingAfterReturns(gross: Piece[], returns: Piece[]): Piece[] {
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const docs = gross.map((d) => ({ ...d }));
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let leftW = returns.reduce((s, d) => s + d.weight, 0);
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let leftM = returns.reduce((s, d) => s + d.mali, 0);
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let leftC = returns.reduce((s, d) => s + d.count, 0);
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const order = [...docs].sort((a, b) => {
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if (a.tarikh !== b.tarikh) return b.tarikh.localeCompare(a.tarikh);
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return b.seq - a.seq;
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});
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for (const doc of order) {
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if (leftW <= 0 && leftM <= 0 && leftC <= 0) break;
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const takeW = Math.min(doc.weight, Math.max(leftW, 0));
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const takeM = Math.min(doc.mali, Math.max(leftM, 0));
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const takeC = Math.min(doc.count, Math.max(leftC, 0));
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doc.weight -= takeW;
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doc.mali -= takeM;
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doc.count -= takeC;
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leftW -= takeW;
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leftM -= takeM;
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leftC -= takeC;
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}
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return docs.filter((d) => d.weight > 1e-9 || d.mali > 1e-6 || d.count > 1e-9);
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}
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function percentOf(docs: Piece[]): PercentStats | null {
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const withPercent = docs.filter((d) => d.percent != null && d.weight > 1e-9);
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if (!withPercent.length) return null;
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const ordered = [...withPercent].sort((a, b) => {
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if (a.tarikh !== b.tarikh) return a.tarikh.localeCompare(b.tarikh);
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return a.seq - b.seq;
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});
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const values = ordered.map((d) => d.percent!);
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const weight = ordered.reduce((s, d) => s + d.weight, 0);
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const avg =
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weight > 0
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? ordered.reduce((s, d) => s + d.percent! * d.weight, 0) / weight
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: null;
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return {
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first: ordered[0]?.percent ?? null,
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last: ordered[ordered.length - 1]?.percent ?? null,
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min: Math.min(...values),
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max: Math.max(...values),
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avg,
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};
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}
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export function movementStats(lines: SalesDoc[], side: 'in' | 'out'): MovementStats {
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const returnDir: DocDirection = side === 'in' ? 'purchase_return' : 'sale_return';
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const groups = new Map<string, { gross: Piece[]; ret: Piece[] }>();
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let seq = 0;
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for (const line of lines) {
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if (line.direction !== side && line.direction !== returnDir) continue;
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const bag = groups.get(line.bucketKey) ?? { gross: [], ret: [] };
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const piece: Piece = {
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tarikh: line.tarikh,
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seq: seq++,
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weight: Math.abs(line.weight),
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mali: Math.abs(line.mali),
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count: Math.abs(line.count),
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percent: line.percent,
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};
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if (line.direction === side) bag.gross.push(piece);
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else bag.ret.push(piece);
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groups.set(line.bucketKey, bag);
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}
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if (!groups.size) return { ...EMPTY_MOVE };
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let grossWeight = 0;
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let returnWeight = 0;
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let grossMali = 0;
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let returnMali = 0;
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let grossCount = 0;
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let returnCount = 0;
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const kept: Piece[] = [];
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for (const bag of groups.values()) {
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grossWeight += bag.gross.reduce((s, d) => s + d.weight, 0);
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returnWeight += bag.ret.reduce((s, d) => s + d.weight, 0);
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grossMali += bag.gross.reduce((s, d) => s + d.mali, 0);
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returnMali += bag.ret.reduce((s, d) => s + d.mali, 0);
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grossCount += bag.gross.reduce((s, d) => s + d.count, 0);
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returnCount += bag.ret.reduce((s, d) => s + d.count, 0);
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kept.push(...remainingAfterReturns(bag.gross, bag.ret));
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}
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return {
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grossWeight,
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returnWeight,
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netWeight: Math.max(0, grossWeight - returnWeight),
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grossMali,
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returnMali,
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netMali: Math.max(0, grossMali - returnMali),
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grossCount,
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returnCount,
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netCount: Math.max(0, grossCount - returnCount),
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percent: percentOf(kept),
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};
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}
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