feat(budget): aylık bütçe motoru, limitler ve ay sonu tahmini

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
2026-11-06 00:58:51 +03:00
parent 6de6d07c66
commit 3fa1e949e2
10 changed files with 1179 additions and 1 deletions
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import { BudgetModel } from "@/models/budget";
import type { Migration } from "./types";
export const migration: Migration = {
name: "010-budgets",
description: "budgets index'i (hane × ay benzersiz)",
async up() {
await BudgetModel.createIndexes();
},
};
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@@ -9,10 +9,11 @@ import { migration as m006 } from "./006-card-statements";
import { migration as m007 } from "./007-contacts";
import { migration as m008 } from "./008-in-kind";
import { migration as m009 } from "./009-assets";
import { migration as m010 } from "./010-budgets";
import type { Migration } from "./types";
/** Sıralı migration listesi. Yeni migration: dosyayı ekle ve buraya sırayla ekle. */
export const MIGRATIONS: Migration[] = [m001, m002, m003, m004, m005, m006, m007, m008, m009];
export const MIGRATIONS: Migration[] = [m001, m002, m003, m004, m005, m006, m007, m008, m009, m010];
const COLLECTION = "migrations";
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"use server";
import { revalidatePath } from "next/cache";
import { z } from "zod";
import { tr } from "@/i18n/tr";
import { fail, type ActionResult } from "@/lib/action-result";
import { getHouseholdActionContext } from "@/lib/dal";
import { budgetLimitsSchema, budgetMonthSchema } from "@/shared/schemas/budget";
import { budgetFromActuals, copyPreviousBudget, saveBudget } from "./service";
function fieldErrors(error: z.ZodError) {
const out: Record<string, string> = {};
for (const issue of error.issues) {
const key = issue.path.join(".");
if (key && !out[key]) out[key] = issue.message;
}
return out;
}
async function run<T>(
schema: z.ZodType<T>,
input: unknown,
fn: (userId: string, householdId: string, data: T) => Promise<ActionResult<unknown>>,
): Promise<ActionResult<unknown>> {
const ctx = await getHouseholdActionContext("member");
if (!ctx) return fail(tr.common.unauthorized);
const parsed = schema.safeParse(input);
if (!parsed.success) return fail(tr.adminUsers.errors.checkFields, fieldErrors(parsed.error));
const result = await fn(ctx.user.id, ctx.household.id, parsed.data);
if (result.ok) revalidatePath("/", "layout");
return result;
}
export async function saveBudgetAction(input: unknown) {
return run(budgetLimitsSchema, input, saveBudget);
}
export async function copyPreviousBudgetAction(month: unknown) {
return run(budgetMonthSchema, month, copyPreviousBudget);
}
export async function budgetFromActualsAction(month: unknown) {
return run(budgetMonthSchema, month, budgetFromActuals);
}
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import { Types } from "mongoose";
import { afterAll, beforeAll, describe, expect, it } from "vitest";
import { createCategory } from "@/features/categories/service";
import { AccountModel } from "@/models/account";
import { BudgetModel } from "@/models/budget";
import { HouseholdModel } from "@/models/household";
import { TransactionModel } from "@/models/transaction";
import { budgetPeriod, shiftMonth } from "@/shared/budget";
import { istanbulDayStart, todayIstanbul } from "@/shared/dates";
import { addDays } from "@/shared/recurrence";
import { budgetLimitsSchema } from "@/shared/schemas/budget";
import { categoryFormSchema } from "@/shared/schemas/category";
import { setupSeededDb, teardownDb } from "@/test/seeded-db";
import { budgetFromActuals, copyPreviousBudget, getBudget, saveBudget } from "./service";
let ids: Awaited<ReturnType<typeof setupSeededDb>>;
let cakir = "";
let ayse = "";
let emre = "";
let zeynep = "";
let fatma = "";
// Seed verisinin olmadığı geçmiş bir ay: toplamlar yalnızca bu testin işlemlerinden oluşur.
const M = shiftMonth(todayIstanbul().slice(0, 7), -24);
const P = shiftMonth(M, -1);
const cat = { ev: "", kira: "", aidat: "", keyif: "" };
type CatKey = keyof typeof cat;
beforeAll(async () => {
ids = await setupSeededDb();
cakir = ids.household("Çakır Ailesi");
ayse = ids.user("ayse");
emre = ids.user("emre");
zeynep = ids.user("zeynep");
fatma = ids.user("fatma");
const mk = async (key: CatKey, name: string, parent = "") => {
const r = await createCategory(
ayse,
cakir,
categoryFormSchema.parse({
kind: "expense",
name,
parentId: parent,
icon: "tag",
color: "blue",
}),
);
cat[key] = r.ok ? r.data.id : "";
};
await mk("ev", "Test Ev");
await mk("kira", "Test Kira", cat.ev);
await mk("aidat", "Test Aidat", cat.ev);
await mk("keyif", "Test Keyif");
});
afterAll(teardownDb);
const acc = (name: string) =>
AccountModel.findOne({ householdId: cakir, name })
.lean()
.then((a) => a!._id);
async function expense(input: {
date: string;
amountMinor: number;
category?: string;
splits?: { category: string; amountMinor: number }[];
account?: string;
status?: "posted" | "planned";
recurring?: boolean;
installment?: { planId: Types.ObjectId; index: number; count: number };
}) {
const actor = new Types.ObjectId(ayse);
const splits = (input.splits ?? []).map((s) => ({
categoryId: new Types.ObjectId(s.category),
amountMinor: s.amountMinor,
}));
await TransactionModel.create({
householdId: new Types.ObjectId(cakir),
type: "expense",
status: input.status ?? "posted",
date: istanbulDayStart(input.date)!,
accountId: await acc(input.account ?? "Cüzdan"),
amountMinor: input.amountMinor,
categoryId: input.category ? new Types.ObjectId(input.category) : null,
splits,
effectiveCategoryIds: input.category
? [new Types.ObjectId(input.category)]
: splits.map((s) => s.categoryId),
recurringRuleId: input.recurring ? new Types.ObjectId() : null,
occurrenceIndex: input.recurring ? 0 : null,
installment: input.installment ?? null,
createdBy: actor,
updatedBy: actor,
});
}
const limits = (month: string, list: Partial<Record<CatKey, string>>) =>
budgetLimitsSchema.parse({
month,
limits: Object.entries(list).map(([k, amount]) => ({ categoryId: cat[k as CatKey], amount })),
});
const line = async (key: CatKey, month = M, user = ayse) =>
(await getBudget(user, cakir, month))!.lines.find((l) => l.categoryId === cat[key]);
describe("aylık bütçe", () => {
const { from, to } = budgetPeriod(M);
it("limitler; üst limit alt kategorileri kapsar; bölünmüş işlem kalem bazında; planlı ayrı", async () => {
await expense({ date: from, amountMinor: 15_000_00, category: cat.kira, recurring: true });
await expense({
date: addDays(from, 5),
amountMinor: 3_000_00,
splits: [
{ category: cat.aidat, amountMinor: 1_200_00 },
{ category: cat.keyif, amountMinor: 1_800_00 },
],
});
await expense({ date: to, amountMinor: 500_00, category: cat.aidat, status: "planned" });
expect((await saveBudget(ayse, cakir, limits(M, { ev: "17.000", kira: "15.000" }))).ok).toBe(
true,
);
const b = (await getBudget(ayse, cakir, M))!;
expect(b.hasBudget).toBe(true);
// Geçmiş ay: tüm günler geçti.
expect(b.elapsedDays).toBe(b.totalDays);
expect(b.totals.limitMinor).toBe(17_000_00);
expect(b.totals.actualMinor).toBe(18_000_00);
expect(b.totals.unbudgetedMinor).toBe(1_800_00);
expect(await line("ev")).toMatchObject({
actualMinor: 16_200_00,
plannedMinor: 500_00,
forecastMinor: 16_700_00,
status: "warning",
forecastOver: false,
});
expect(await line("kira")).toMatchObject({ status: "over", remainingMinor: 0 });
expect(await line("keyif")).toMatchObject({ limitMinor: null, actualMinor: 1_800_00 });
// Boş limit kaldırılır.
await saveBudget(ayse, cakir, limits(M, { ev: "17.000", kira: "" }));
expect((await line("kira"))!.limitMinor).toBeNull();
});
it("gizli hesap harcaması hane ayarına göre", async () => {
const actor = new Types.ObjectId(emre);
const secret = await AccountModel.create({
householdId: new Types.ObjectId(cakir),
name: "Emre Gizli Test",
type: "cash",
openingBalanceMinor: 0,
openingDate: istanbulDayStart(addDays(from, -10))!,
isPrivate: true,
ownerUserId: actor,
createdBy: actor,
updatedBy: actor,
});
await expense({
date: addDays(from, 2),
amountMinor: 700_00,
category: cat.keyif,
account: "Emre Gizli Test",
});
expect((await line("keyif"))!.actualMinor).toBe(2_500_00);
const b = (await getBudget(ayse, cakir, M))!;
expect(b.includesHidden).toBe(true);
await HouseholdModel.updateOne(
{ _id: cakir },
{ $set: { "settings.includePrivateAccountsInTotals": false } },
);
expect((await line("keyif"))!.actualMinor).toBe(1_800_00);
// Sahibi her zaman görür.
expect((await line("keyif", M, emre))!.actualMinor).toBe(2_500_00);
await HouseholdModel.updateOne(
{ _id: cakir },
{ $set: { "settings.includePrivateAccountsInTotals": true } },
);
expect(secret).toBeTruthy();
});
it("taksit modu: her taksit kendi ayına veya tamamı alış ayına", async () => {
const planId = new Types.ObjectId();
const next = budgetPeriod(shiftMonth(M, 1));
await expense({
date: addDays(from, 10),
amountMinor: 1_000_00,
category: cat.aidat,
installment: { planId, index: 1, count: 2 },
});
await expense({
date: addDays(next.from, 10),
amountMinor: 1_000_00,
category: cat.aidat,
installment: { planId, index: 2, count: 2 },
status: "planned",
});
const before = (await line("aidat"))!.actualMinor;
await HouseholdModel.updateOne(
{ _id: cakir },
{ $set: { "settings.installmentBudgetMode": "purchase_month" } },
);
expect((await line("aidat"))!.actualMinor).toBe(before + 1_000_00);
// Tamamı alış ayında sayıldığı için sonraki ayda görünmez.
expect((await line("aidat", shiftMonth(M, 1)))?.actualMinor ?? 0).toBe(0);
await HouseholdModel.updateOne(
{ _id: cakir },
{ $set: { "settings.installmentBudgetMode": "per_installment" } },
);
// Her taksit kendi ayında (geçmiş ay olduğu için vadesi gelen taksit gerçekleşmiştir).
expect((await line("aidat", shiftMonth(M, 1)))!.actualMinor).toBe(1_000_00);
});
it("bütçe ayı başlangıç günü dönemi kaydırır", async () => {
await HouseholdModel.updateOne(
{ _id: cakir },
{ $set: { "settings.budgetMonthStartDay": 15 } },
);
const b = (await getBudget(ayse, cakir, M))!;
expect(b.period).toEqual(budgetPeriod(M, 15));
// Ayın 1'indeki kira artık önceki bütçe ayında.
expect((await line("kira"))?.actualMinor ?? 0).toBe(0);
await HouseholdModel.updateOne({ _id: cakir }, { $set: { "settings.budgetMonthStartDay": 1 } });
});
it("önceki aydan kopyala ve önceki ayın harcamalarından oluştur", async () => {
const N = shiftMonth(M, 1);
expect((await copyPreviousBudget(ayse, cakir, P)).ok).toBe(false);
expect((await copyPreviousBudget(ayse, cakir, N)).ok).toBe(true);
expect((await getBudget(ayse, cakir, N))!.editor.limits[cat.ev]).toBe(17_000_00);
// M'nin harcamaları: Ev kökü 16.200 + taksit 1.000 → 17.200; Keyif 2.500 (gizli dahil).
expect((await budgetFromActuals(ayse, cakir, N)).ok).toBe(true);
const l = (await BudgetModel.findOne({ householdId: cakir, month: N }).lean())!.limits;
const get = (k: CatKey) => l.find((x) => String(x.categoryId) === cat[k])?.amountMinor;
expect(get("ev")).toBe(17_200_00);
expect(get("keyif")).toBe(2_500_00);
expect(get("kira")).toBeUndefined();
expect((await budgetFromActuals(ayse, cakir, shiftMonth(M, -5))).ok).toBe(false);
});
it("yetki: izleyici yazamaz; başka hane göremez; geçersiz kategori reddedilir", async () => {
expect((await getBudget(zeynep, cakir, M))!.canWrite).toBe(false);
expect((await saveBudget(zeynep, cakir, limits(M, { ev: "1" }))).ok).toBe(false);
expect(await getBudget(fatma, cakir, M)).toBeNull();
const annemler = ids.household("Annemler");
expect((await saveBudget(fatma, annemler, limits(M, { ev: "1" }))).ok).toBe(false);
});
});
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import "server-only";
import { Types, type PipelineStage } from "mongoose";
import { hasHouseholdRole } from "@/features/households/roles";
import { loadContext, type Ctx } from "@/features/transactions/service";
import { tr } from "@/i18n/tr";
import { fail, ok, type ActionResult } from "@/lib/action-result";
import { BudgetModel } from "@/models/budget";
import { HouseholdModel } from "@/models/household";
import { TransactionModel } from "@/models/transaction";
import type { IconKey, Swatch } from "@/shared/appearance";
import {
budgetPeriod,
computeBudget,
daysBetween,
periodOfDate,
roundUpLimit,
shiftMonth,
type BudgetLine,
type BudgetTotals,
type CategoryAmounts,
} from "@/shared/budget";
import { istanbulDayStart, todayIstanbul } from "@/shared/dates";
import type { BudgetLimitsForm } from "@/shared/schemas/budget";
/**
* Aylık bütçe (Bölüm 6.9). Okuma: viewer; yazma: member.
*
* Gerçekleşen: dönemdeki gerçekleşmiş (posted) giderler; bölünmüş işlemler kalem bazında.
* Planlı: dönemdeki planlı giderler (düzenli işlem tekrarları, gelecek taksitler).
* Taksit modu (hane ayarı): her taksit kendi ayına (varsayılan) veya tamamı alış ayına.
* Başkasının "yalnızca ben" hesabından giderler hane ayarına göre (yalnızca tutar) sayılır.
*/
const t = tr.budget;
const DAY_MS = 86_400_000;
type Settings = {
startDay: number;
installmentMode: "per_installment" | "purchase_month";
includePrivate: boolean;
};
async function settingsOf(householdId: Types.ObjectId): Promise<Settings> {
const h = await HouseholdModel.findById(householdId).select({ settings: 1 }).lean();
return {
startDay: h?.settings?.budgetMonthStartDay ?? 1,
installmentMode: h?.settings?.installmentBudgetMode ?? "per_installment",
includePrivate: h?.settings?.includePrivateAccountsInTotals ?? true,
};
}
/** Kategori bazında (kendi) sabit/değişken gerçekleşen ve planlı gider. */
export async function expenseAmounts(
ctx: Ctx,
s: Settings,
from: string,
to: string,
): Promise<Map<string, CategoryAmounts>> {
const start = istanbulDayStart(from)!;
const end = new Date(istanbulDayStart(to)!.getTime() + DAY_MS);
const base: Record<string, unknown> = {
householdId: ctx.m.householdId,
type: "expense",
deletedAt: null,
};
if (!s.includePrivate && ctx.hiddenAccountIds.length)
base.accountId = { $nin: ctx.hiddenAccountIds };
const itemsStage: PipelineStage = {
$project: {
status: 1,
fixed: {
$or: [{ $ne: ["$recurringRuleId", null] }, { $ne: ["$installment.planId", null] }],
},
items: {
$cond: [
{ $gt: [{ $size: { $ifNull: ["$splits", []] } }, 0] },
"$splits",
[{ categoryId: "$categoryId", amountMinor: "$amountMinor" }],
],
},
},
};
const group: PipelineStage[] = [
itemsStage,
{ $unwind: "$items" },
{
$group: {
_id: { c: "$items.categoryId", s: "$status", f: "$fixed" },
sum: { $sum: "$items.amountMinor" },
},
},
];
const match: Record<string, unknown> = {
...base,
status: { $in: ["posted", "planned"] },
date: { $gte: start, $lt: end },
};
if (s.installmentMode === "purchase_month") match["installment.planId"] = { $in: [null] };
const rows = await TransactionModel.aggregate<{
_id: { c: Types.ObjectId | null; s: string; f: boolean };
sum: number;
}>([{ $match: match }, ...group]);
const out = new Map<string, CategoryAmounts>();
const add = (cat: string, k: keyof CategoryAmounts, v: number) => {
const cur = out.get(cat) ?? { fixedMinor: 0, variableMinor: 0, plannedMinor: 0 };
cur[k] += v;
out.set(cat, cur);
};
for (const r of rows) {
const cat = r._id.c ? String(r._id.c) : "";
if (r._id.s === "planned") add(cat, "plannedMinor", r.sum);
else add(cat, r._id.f ? "fixedMinor" : "variableMinor", r.sum);
}
// Tamamı alış ayına: ilk taksiti bu dönemde olan planların tüm taksitleri gerçekleşmiş sayılır.
if (s.installmentMode === "purchase_month") {
const plans = await TransactionModel.aggregate<{
_id: Types.ObjectId;
first: Date;
items: { categoryId: Types.ObjectId | null; amountMinor: number }[][];
}>([
{
$match: {
...base,
status: { $in: ["posted", "planned"] },
"installment.planId": { $ne: null },
},
},
{
$group: {
_id: "$installment.planId",
first: { $min: "$date" },
items: {
$push: {
$cond: [
{ $gt: [{ $size: { $ifNull: ["$splits", []] } }, 0] },
"$splits",
[{ categoryId: "$categoryId", amountMinor: "$amountMinor" }],
],
},
},
},
},
{ $match: { first: { $gte: start, $lt: end } } },
]);
for (const p of plans)
for (const list of p.items)
for (const it of list)
add(it.categoryId ? String(it.categoryId) : "", "fixedMinor", it.amountMinor);
}
return out;
}
export type BudgetLineView = BudgetLine & { icon: IconKey; color: Swatch; path: string };
export type BudgetView = {
month: string;
currentMonth: string;
period: { from: string; to: string };
elapsedDays: number;
totalDays: number;
lines: BudgetLineView[];
totals: BudgetTotals;
hasBudget: boolean;
/** Limit düzenleyici: etkin gider kategorileri (ağaç sırası) ve mevcut limitler. */
editor: {
categories: { id: string; name: string; depth: number }[];
limits: Record<string, number>;
};
hasPrevious: boolean;
includesHidden: boolean;
canWrite: boolean;
};
function expenseCategories(ctx: Ctx) {
return ctx.flatCategories.filter((c) => c.kind === "expense");
}
export async function getBudget(
userId: string,
householdId: string,
month?: string,
): Promise<BudgetView | null> {
const ctx = await loadContext(userId, householdId, "viewer");
if (!ctx) return null;
const s = await settingsOf(ctx.m.householdId);
const today = todayIstanbul();
const currentMonth = periodOfDate(today, s.startDay);
const m = month ?? currentMonth;
const period = budgetPeriod(m, s.startDay);
const totalDays = daysBetween(period.from, period.to);
const elapsedDays =
today < period.from ? 0 : today > period.to ? totalDays : daysBetween(period.from, today);
const [doc, prev, amounts] = await Promise.all([
BudgetModel.findOne({ householdId: ctx.m.householdId, month: m }).lean(),
BudgetModel.exists({
householdId: ctx.m.householdId,
month: shiftMonth(m, -1),
"limits.0": { $exists: true },
}),
expenseAmounts(ctx, s, period.from, period.to),
]);
const limits = new Map((doc?.limits ?? []).map((l) => [String(l.categoryId), l.amountMinor]));
const cats = expenseCategories(ctx);
// Arşivli kategori yalnızca limiti veya harcaması varsa görünür.
const visibleCats = cats.filter((c) => !c.archived || limits.has(c.id) || amounts.has(c.id));
const known = new Set(visibleCats.map((c) => c.id));
// Kategorisiz / bilinmeyen kategorideki gider "Kategorisiz" satırında toplanır.
const orphan = { fixedMinor: 0, variableMinor: 0, plannedMinor: 0 };
for (const [id, a] of amounts)
if (!known.has(id)) {
orphan.fixedMinor += a.fixedMinor;
orphan.variableMinor += a.variableMinor;
orphan.plannedMinor += a.plannedMinor;
}
const ORPHAN = "__none__";
const inputCats = visibleCats.map((c) => ({
id: c.id,
parentId: c.parentId,
name: c.name,
order: c.order,
}));
if (orphan.fixedMinor + orphan.variableMinor + orphan.plannedMinor > 0) {
inputCats.push({ id: ORPHAN, parentId: null, name: t.uncategorized, order: 1e9 });
amounts.set(ORPHAN, orphan);
}
const { lines, totals } = computeBudget({
categories: inputCats,
limits,
amounts,
elapsedDays,
totalDays,
});
const editorCats = cats.filter((c) => !c.archived);
// Düzenleyici için ağaç sırası ve derinlik (tüm etkin kategoriler, limit 0 ile).
const ordered = computeBudget({
categories: editorCats.map((c) => ({
id: c.id,
parentId: c.parentId,
name: c.name,
order: c.order,
})),
limits: new Map(editorCats.map((c) => [c.id, 0])),
amounts: new Map(),
elapsedDays: 0,
totalDays: 1,
}).lines;
return {
month: m,
currentMonth,
period,
elapsedDays,
totalDays,
lines: lines.map((l) => {
const c = ctx.categoryMap.get(l.categoryId);
return {
...l,
icon: (c?.icon ?? "tag") as IconKey,
color: (c?.color ?? "slate") as Swatch,
path: c?.path ?? l.name,
};
}),
totals,
hasBudget: limits.size > 0,
editor: {
categories: ordered.map((l) => ({ id: l.categoryId, name: l.name, depth: l.depth })),
limits: Object.fromEntries(limits),
},
hasPrevious: Boolean(prev),
includesHidden: s.includePrivate && ctx.hiddenAccountIds.length > 0,
canWrite: hasHouseholdRole(ctx.m.role, "member"),
};
}
async function writeLimits(
ctx: Ctx,
actorId: string,
month: string,
limits: { categoryId: string; amountMinor: number }[],
): Promise<ActionResult> {
const valid = new Set(
expenseCategories(ctx)
.filter((c) => !c.archived)
.map((c) => c.id),
);
const seen = new Set<string>();
for (const l of limits) {
if (!valid.has(l.categoryId) || seen.has(l.categoryId)) return fail(t.errors.category);
seen.add(l.categoryId);
}
const actor = new Types.ObjectId(actorId);
await BudgetModel.updateOne(
{ householdId: ctx.m.householdId, month },
{
$set: {
limits: limits.map((l) => ({
categoryId: new Types.ObjectId(l.categoryId),
amountMinor: l.amountMinor,
})),
updatedBy: actor,
},
$setOnInsert: { createdBy: actor },
},
{ upsert: true },
);
return ok(undefined);
}
export async function saveBudget(
actorId: string,
householdId: string,
input: BudgetLimitsForm,
): Promise<ActionResult> {
const ctx = await loadContext(actorId, householdId, "member");
if (!ctx) return fail(tr.common.unauthorized);
return writeLimits(ctx, actorId, input.month, input.limits);
}
/** Önceki ayın limitlerini kopyalar (arşivlenmiş kategoriler atlanır). */
export async function copyPreviousBudget(
actorId: string,
householdId: string,
month: string,
): Promise<ActionResult> {
const ctx = await loadContext(actorId, householdId, "member");
if (!ctx) return fail(tr.common.unauthorized);
const prev = await BudgetModel.findOne({
householdId: ctx.m.householdId,
month: shiftMonth(month, -1),
}).lean();
if (!prev?.limits.length) return fail(t.errors.noPrevious);
const active = new Set(
expenseCategories(ctx)
.filter((c) => !c.archived)
.map((c) => c.id),
);
return writeLimits(
ctx,
actorId,
month,
prev.limits
.map((l) => ({ categoryId: String(l.categoryId), amountMinor: l.amountMinor }))
.filter((l) => active.has(l.categoryId)),
);
}
/**
* Önceki ayın gerçekleşen giderlerinden limit: ana kategori (kök) bazında toplam, 100 TL'ye
* yukarı yuvarlanır. Kategorisiz gider atlanır.
*/
export async function budgetFromActuals(
actorId: string,
householdId: string,
month: string,
): Promise<ActionResult> {
const ctx = await loadContext(actorId, householdId, "member");
if (!ctx) return fail(tr.common.unauthorized);
const s = await settingsOf(ctx.m.householdId);
const period = budgetPeriod(shiftMonth(month, -1), s.startDay);
const amounts = await expenseAmounts(ctx, s, period.from, period.to);
const cats = expenseCategories(ctx);
const byId = new Map(cats.map((c) => [c.id, c]));
const rootOf = (id: string) => {
let cur = byId.get(id);
let guard = 0;
while (cur?.parentId && byId.has(cur.parentId) && guard++ < 6) cur = byId.get(cur.parentId);
return cur;
};
const totals = new Map<string, number>();
for (const [id, a] of amounts) {
const root = rootOf(id);
if (!root || root.archived) continue;
totals.set(root.id, (totals.get(root.id) ?? 0) + a.fixedMinor + a.variableMinor);
}
const limits = [...totals]
.filter(([, v]) => v > 0)
.map(([categoryId, v]) => ({ categoryId, amountMinor: roundUpLimit(v) }));
if (!limits.length) return fail(t.errors.noPreviousSpending);
return writeLimits(ctx, actorId, month, limits);
}
/** Dashboard uyarısı: bu ayın %80'i geçilmiş veya aşılmış limitli kategori sayısı. */
export async function countBudgetWarnings(userId: string, householdId: string): Promise<number> {
const b = await getBudget(userId, householdId);
if (!b?.hasBudget) return 0;
return b.lines.filter((l) => l.status === "warning" || l.status === "over").length;
}
+71
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@@ -804,6 +804,77 @@ export const tr = {
noAccountForGift: "Hediye hareketinde hesap seçilmez.",
},
},
budget: {
title: "Bütçe",
description:
"Aylık kategori limitleri, gerçekleşen harcama ve ay sonu tahmini. Üst kategori limiti alt kategorileri kapsar.",
prevMonth: "Önceki ay",
nextMonth: "Sonraki ay",
thisMonth: "Bu ay",
period: (from: string, to: string) => `${from} – ${to}`,
totals: {
limit: "Bütçe",
actual: "Harcanan",
remaining: "Kalan",
over: "Aşım",
forecast: "Ay sonu tahmini",
planned: (amount: string) => `Planlı: ${amount}`,
unbudgeted: "Bütçesiz harcama",
monthProgress: (day: number, total: number, pct: string) =>
`Ayın ${day}/${total}. günü (%${pct}).`,
},
status: {
ok: "Yolunda",
warning: "%80 geçildi",
over: "Limit aşıldı",
full: "Limit doldu",
none: "Limitsiz",
covered: "Üst kategori limitinde",
forecastOver: "Tahmin limiti aşıyor",
},
line: {
ofLimit: (actual: string, limit: string) => `${actual} / ${limit}`,
remaining: (amount: string) => `${amount} kaldı`,
over: (amount: string) => `${amount} aşıldı`,
forecast: (amount: string) => `Tahmin ${amount}`,
planned: (amount: string) => `Planlı ${amount}`,
},
uncategorized: "Kategorisiz",
empty: "Bu ay için bütçe yok.",
emptyHint:
"Limitleri elle girebilir, önceki ayın bütçesini kopyalayabilir veya önceki ayın harcamalarından oluşturabilirsiniz.",
noSpending: "Bu ay henüz gider yok.",
edit: "Limitleri düzenle",
editTitle: (month: string) => `Bütçe limitleri · ${month}`,
editHint:
"Boş bırakılan kategori limitsizdir. Alt kategori limiti üst kategorinin içinde bir alt sınırdır.",
editTotal: (amount: string) => `Toplam bütçe: ${amount}`,
copyPrevious: "Önceki aydan kopyala",
fromActuals: "Önceki ayın harcamalarından oluştur",
fromActualsHint:
"Ana kategorilerin önceki ay harcaması 100 TL'ye yukarı yuvarlanarak limit olur.",
replaceTitle: "Mevcut limitler değiştirilsin mi?",
replaceDescription: "Bu ayın tüm limitleri seçilen kaynakla değiştirilir.",
replace: "Değiştir",
includesHidden:
"Hane ayarı gereği diğer üyelerin gizli hesaplarından yapılan harcamalar dahil.",
warnings: (n: number) => `${n} kategoride bütçenin %80'i geçildi veya limit aşıldı.`,
goToBudget: "Bütçeye git",
toast: {
saved: "Bütçe kaydedildi.",
copied: "Önceki ayın limitleri kopyalandı.",
created: "Limitler önceki ayın harcamalarından oluşturuldu.",
},
errors: {
noPrevious: "Önceki ay için bütçe yok.",
noPreviousSpending: "Önceki ayda gider yok.",
category: "Geçersiz veya arşivlenmiş kategori.",
},
validation: {
month: "Geçersiz ay",
category: "Kategori seçin",
},
},
prices: {
title: "Fiyat tablosu",
description:
+32
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@@ -0,0 +1,32 @@
import { model, models, Schema, type InferSchemaType, type Model } from "mongoose";
/**
* Aylık bütçe (Bölüm 6.9): hane × bütçe ayı ("YYYY-MM") başına kategori limitleri.
* Ayın sınırları hane ayarı `budgetMonthStartDay`'e göre hesaplanır (belgede saklanmaz).
*/
const limitSchema = new Schema(
{
categoryId: { type: Schema.Types.ObjectId, required: true },
amountMinor: { type: Number, required: true, min: 0 },
},
{ _id: false },
);
const budgetSchema = new Schema(
{
householdId: { type: Schema.Types.ObjectId, required: true },
month: { type: String, required: true, match: /^\d{4}-(0[1-9]|1[0-2])$/ },
limits: { type: [limitSchema], default: [] },
seedRef: { type: String, default: null },
createdBy: { type: Schema.Types.ObjectId, required: true },
updatedBy: { type: Schema.Types.ObjectId, required: true },
},
{ timestamps: true, collection: "budgets" },
);
budgetSchema.index({ householdId: 1, month: 1 }, { unique: true });
export type Budget = InferSchemaType<typeof budgetSchema>;
export const BudgetModel: Model<Budget> =
(models.Budget as Model<Budget> | undefined) ?? model<Budget>("Budget", budgetSchema);
+139
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import { describe, expect, it } from "vitest";
import {
budgetPeriod,
computeBudget,
daysBetween,
forecast,
periodOfDate,
roundUpLimit,
shiftMonth,
statusOf,
type CategoryAmounts,
} from "./budget";
describe("bütçe dönemi", () => {
it("takvim ayı ve 15'inde başlayan ay", () => {
expect(budgetPeriod("2026-11")).toEqual({ from: "2026-11-01", to: "2026-11-30" });
expect(budgetPeriod("2026-12", 15)).toEqual({ from: "2026-12-15", to: "2027-01-14" });
expect(budgetPeriod("2027-01", 28)).toEqual({ from: "2027-01-28", to: "2027-02-27" });
expect(periodOfDate("2026-11-14", 15)).toBe("2026-10");
expect(periodOfDate("2026-11-15", 15)).toBe("2026-11");
expect(periodOfDate("2027-01-03", 15)).toBe("2026-12");
expect(periodOfDate("2026-11-30")).toBe("2026-11");
expect(shiftMonth("2026-12", 1)).toBe("2027-01");
expect(shiftMonth("2026-01", -1)).toBe("2025-12");
expect(daysBetween("2026-11-01", "2026-11-30")).toBe(30);
expect(daysBetween("2026-12-15", "2027-01-14")).toBe(31);
});
it("durum eşikleri %80 ve %100", () => {
expect(statusOf(79_99, 100_00)).toBe("ok");
expect(statusOf(80_00, 100_00)).toBe("warning");
expect(statusOf(100_00, 100_00)).toBe("over");
expect(statusOf(5, null)).toBe("none");
expect(statusOf(1, 0)).toBe("over");
});
it("ay sonu tahmini: sabit + planlı + değişken tempo", () => {
const a: CategoryAmounts = {
fixedMinor: 1_000_00,
variableMinor: 3_000_00,
plannedMinor: 500_00,
};
// 10/30 gün geçti: değişken 3.000 → 9.000
expect(forecast(a, 10, 30)).toBe(10_500_00);
expect(forecast(a, 30, 30)).toBe(4_500_00);
expect(forecast(a, 0, 30)).toBe(1_500_00);
expect(roundUpLimit(1_234_56)).toBe(1_300_00);
expect(roundUpLimit(1_200_00)).toBe(1_200_00);
});
});
describe("bütçe toplama", () => {
const categories = [
{ id: "market", parentId: null, name: "Market", order: 1 },
{ id: "faturalar", parentId: null, name: "Faturalar", order: 2 },
{ id: "elektrik", parentId: "faturalar", name: "Elektrik", order: 1 },
{ id: "su", parentId: "faturalar", name: "Su", order: 2 },
{ id: "eglence", parentId: null, name: "Eğlence", order: 3 },
{ id: "sinema", parentId: "eglence", name: "Sinema", order: 1 },
{ id: "giyim", parentId: null, name: "Giyim", order: 4 },
];
const amt = (variable: number, fixed = 0, planned = 0): CategoryAmounts => ({
fixedMinor: fixed,
variableMinor: variable,
plannedMinor: planned,
});
it("üst limit alt kategorileri kapsar; alt limit iki kez sayılmaz; bütçesiz harcama", () => {
const r = computeBudget({
categories,
limits: new Map([
["market", 10_000_00],
["faturalar", 3_000_00],
["elektrik", 1_500_00],
["sinema", 500_00],
]),
amounts: new Map([
["market", amt(8_500_00)],
["elektrik", amt(0, 1_600_00)],
["su", amt(0, 400_00, 300_00)],
["faturalar", amt(100_00)],
["sinema", amt(200_00)],
["eglence", amt(300_00)],
["giyim", amt(1_000_00)],
]),
elapsedDays: 30,
totalDays: 30,
});
// Toplam limit: market + faturalar + sinema (elektrik faturaların içinde).
expect(r.totals.limitMinor).toBe(13_500_00);
expect(r.totals.actualMinor).toBe(12_100_00);
// Bütçesiz: eğlencenin kendi harcaması + giyim.
expect(r.totals.unbudgetedMinor).toBe(1_300_00);
const line = (id: string) => r.lines.find((l) => l.categoryId === id)!;
expect(line("faturalar")).toMatchObject({
actualMinor: 2_100_00,
plannedMinor: 300_00,
status: "ok",
ratioBp: 7000,
});
expect(line("elektrik")).toMatchObject({ status: "over", remainingMinor: -100_00 });
expect(line("market").status).toBe("warning");
expect(line("eglence")).toMatchObject({
limitMinor: null,
actualMinor: 500_00,
status: "none",
});
// Sıra: ağaç sırası, derinlik.
expect(r.lines.map((l) => `${l.depth}:${l.categoryId}`)).toEqual([
"0:market",
"0:faturalar",
"1:elektrik",
"1:su",
"0:eglence",
"1:sinema",
"0:giyim",
]);
});
it("tahmin limiti aşıyor uyarısı; limit yoksa durum none", () => {
const r = computeBudget({
categories,
limits: new Map([["market", 10_000_00]]),
amounts: new Map([["market", amt(4_000_00)]]),
elapsedDays: 10,
totalDays: 30,
});
expect(r.totals).toMatchObject({ status: "ok", forecastMinor: 12_000_00, forecastOver: true });
const empty = computeBudget({
categories,
limits: new Map(),
amounts: new Map(),
elapsedDays: 1,
totalDays: 30,
});
expect(empty.totals.status).toBe("none");
expect(empty.lines).toHaveLength(0);
});
});
+217
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import { addDays, addMonths } from "./recurrence";
/**
* Aylık bütçe hesap motoru (Bölüm 6.9). Tutarlar kuruş, tarihler İstanbul günü "YYYY-MM-DD".
*
* Bütçe ayı hane ayarı `budgetMonthStartDay` ile başlar (Faz 0): başlangıç günü 15 ise
* "2026-11" dönemi 15 Kasım – 14 Aralık'tır; 1 ise takvim ayıdır.
*
* Limitler (Faz 10 kararı): her gider kategorisine verilebilir. Üst kategori limiti alt
* kategorilerin harcamasını da kapsar; alt kategori limiti üstün içinde bir alt sınırdır ve
* toplam bütçede iki kez sayılmaz.
*/
export const WARNING_BP = 8_000;
export const OVER_BP = 10_000;
/** "YYYY-MM" dönemi: ilk ve son gün (ikisi de dahil). */
export function budgetPeriod(month: string, startDay = 1): { from: string; to: string } {
const from = `${month}-${String(startDay).padStart(2, "0")}`;
const to = addDays(addMonths(from, 1, startDay), -1);
return { from, to };
}
/** Tarihin düştüğü bütçe ayı. */
export function periodOfDate(date: string, startDay = 1): string {
const day = Number(date.slice(8, 10));
const month = date.slice(0, 7);
return day >= startDay ? month : addMonths(`${month}-01`, -1).slice(0, 7);
}
export function shiftMonth(month: string, n: number): string {
return addMonths(`${month}-01`, n).slice(0, 7);
}
/** İki gün arasındaki gün sayısı (ikisi de dahil). */
export function daysBetween(from: string, to: string): number {
const ms = Date.parse(`${to}T00:00:00Z`) - Date.parse(`${from}T00:00:00Z`);
return Math.round(ms / 86_400_000) + 1;
}
export type BudgetStatus = "none" | "ok" | "warning" | "over";
export function statusOf(actualMinor: number, limitMinor: number | null): BudgetStatus {
if (limitMinor === null) return "none";
if (limitMinor <= 0) return actualMinor > 0 ? "over" : "ok";
const bp = (actualMinor * 10_000) / limitMinor;
return bp >= OVER_BP ? "over" : bp >= WARNING_BP ? "warning" : "ok";
}
export type BudgetCategoryInput = {
id: string;
parentId: string | null;
name: string;
order: number;
};
/** Kategori bazında kendi (alt kategoriler hariç) tutarlar. */
export type CategoryAmounts = {
/** Düzenli işlem veya taksitten gelen gerçekleşmiş gider (tempo tahminine katılmaz). */
fixedMinor: number;
/** Diğer gerçekleşmiş gider. */
variableMinor: number;
/** Dönemin kalanındaki planlı (henüz gerçekleşmemiş) gider. */
plannedMinor: number;
};
export type BudgetLine = {
categoryId: string;
name: string;
depth: number;
limitMinor: number | null;
/** Kendi limiti yok ama bir üst kategorinin limiti kapsıyor. */
covered: boolean;
/** Alt kategoriler dahil gerçekleşen. */
actualMinor: number;
plannedMinor: number;
forecastMinor: number;
remainingMinor: number | null;
ratioBp: number | null;
status: BudgetStatus;
/** Tahmin limiti aşıyor (henüz aşılmamış olsa da). */
forecastOver: boolean;
};
export type BudgetTotals = {
limitMinor: number;
actualMinor: number;
plannedMinor: number;
forecastMinor: number;
remainingMinor: number;
/** Hiçbir limitin kapsamadığı gerçekleşen gider. */
unbudgetedMinor: number;
ratioBp: number | null;
status: BudgetStatus;
forecastOver: boolean;
};
/**
* Ay sonu tahmini: sabit giderler olduğu gibi + kalan planlı giderler + değişken giderin
* şimdiye kadarki günlük hızıyla ay sonuna yansıtılması. Geçmiş ayda tahmin = gerçekleşen;
* gelecek ayda yalnızca planlı.
*/
export function forecast(a: CategoryAmounts, elapsedDays: number, totalDays: number): number {
const variable =
elapsedDays <= 0
? 0
: elapsedDays >= totalDays
? a.variableMinor
: Math.round((a.variableMinor * totalDays) / elapsedDays);
return a.fixedMinor + a.plannedMinor + variable;
}
export function computeBudget(input: {
categories: BudgetCategoryInput[];
limits: Map<string, number>;
amounts: Map<string, CategoryAmounts>;
elapsedDays: number;
totalDays: number;
}): { lines: BudgetLine[]; totals: BudgetTotals } {
const { categories, limits, amounts, elapsedDays, totalDays } = input;
const byId = new Map(categories.map((c) => [c.id, c]));
const children = new Map<string, BudgetCategoryInput[]>();
const roots: BudgetCategoryInput[] = [];
for (const c of categories) {
if (c.parentId && byId.has(c.parentId)) {
const list = children.get(c.parentId) ?? [];
list.push(c);
children.set(c.parentId, list);
} else roots.push(c);
}
const sort = (list: BudgetCategoryInput[]) =>
list.sort((a, b) => a.order - b.order || a.name.localeCompare(b.name, "tr"));
const zero: CategoryAmounts = { fixedMinor: 0, variableMinor: 0, plannedMinor: 0 };
// Alt ağaç toplamları.
const subtree = new Map<string, CategoryAmounts>();
const sumOf = (c: BudgetCategoryInput, seen: Set<string>): CategoryAmounts => {
if (seen.has(c.id)) return zero;
seen.add(c.id);
const own = amounts.get(c.id) ?? zero;
const total = { ...own };
for (const k of children.get(c.id) ?? []) {
const s = sumOf(k, seen);
total.fixedMinor += s.fixedMinor;
total.variableMinor += s.variableMinor;
total.plannedMinor += s.plannedMinor;
}
subtree.set(c.id, total);
return total;
};
const seen = new Set<string>();
for (const r of roots) sumOf(r, seen);
const lines: BudgetLine[] = [];
let limitTotal = 0;
let unbudgeted = 0;
const walk = (list: BudgetCategoryInput[], depth: number, covered: boolean) => {
for (const c of sort(list)) {
const limit = limits.get(c.id) ?? null;
const s = subtree.get(c.id) ?? zero;
const own = amounts.get(c.id) ?? zero;
if (limit !== null && !covered) limitTotal += limit;
const isCovered = covered || limit !== null;
if (!isCovered) unbudgeted += own.fixedMinor + own.variableMinor;
const actual = s.fixedMinor + s.variableMinor;
const fc = forecast(s, elapsedDays, totalDays);
if (limit !== null || actual > 0 || s.plannedMinor > 0) {
lines.push({
categoryId: c.id,
name: c.name,
depth,
limitMinor: limit,
covered: limit === null && covered,
actualMinor: actual,
plannedMinor: s.plannedMinor,
forecastMinor: fc,
remainingMinor: limit === null ? null : limit - actual,
ratioBp: limit && limit > 0 ? Math.round((actual * 10_000) / limit) : null,
status: statusOf(actual, limit),
forecastOver: limit !== null && fc > limit,
});
}
walk(children.get(c.id) ?? [], depth + 1, isCovered);
}
};
walk(roots, 0, false);
let actual = 0;
let planned = 0;
let fc = 0;
for (const r of roots) {
const s = subtree.get(r.id) ?? zero;
actual += s.fixedMinor + s.variableMinor;
planned += s.plannedMinor;
fc += forecast(s, elapsedDays, totalDays);
}
const hasLimit = limits.size > 0;
return {
lines,
totals: {
limitMinor: limitTotal,
actualMinor: actual,
plannedMinor: planned,
forecastMinor: fc,
remainingMinor: limitTotal - actual,
unbudgetedMinor: unbudgeted,
ratioBp: limitTotal > 0 ? Math.round((actual * 10_000) / limitTotal) : null,
status: hasLimit ? statusOf(actual, limitTotal) : "none",
forecastOver: hasLimit && fc > limitTotal,
},
};
}
/** Limit önerisi için yukarı yuvarlama (100 TL'lik adım). */
export function roundUpLimit(minor: number, stepMinor = 100_00): number {
return Math.ceil(minor / stepMinor) * stepMinor;
}
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import { z } from "zod";
import { tr } from "../../i18n/tr";
import { nonNegativeMoneySchema } from "./account";
/** Bütçe ayı "YYYY-MM". */
export const budgetMonthSchema = z
.string()
.regex(/^\d{4}-(0[1-9]|1[0-2])$/, tr.budget.validation.month);
/**
* Limit formu: kategori → tutar metni. Boş veya 0 limit kaldırılır (kategori bütçesiz olur).
*/
export const budgetLimitsSchema = z.object({
month: budgetMonthSchema,
limits: z
.array(
z.object({
categoryId: z.string().regex(/^[a-f0-9]{24}$/i, tr.budget.validation.category),
amount: nonNegativeMoneySchema,
}),
)
.max(500)
.transform((list) =>
list
.filter((l) => l.amount > 0)
.map((l) => ({ categoryId: l.categoryId, amountMinor: l.amount })),
),
});
export type BudgetLimitsForm = z.output<typeof budgetLimitsSchema>;