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butcem/src/models/card-statement.ts
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import { model, models, Schema, type InferSchemaType, type Model } from "mongoose";
/**
* Kart/KMH dönem kaydı (Bölüm 6.8, `statements`). Tutarlar işlemlerden hesaplanır ve kart özeti
* okunurken güncellenir (geriye dönük girilen işlem dönem borcunu doğru değiştirir); bu koleksiyon
* raporlar ve mobil API için son hesaplanan değerleri tutar.
*/
const cardStatementSchema = new Schema(
{
householdId: { type: Schema.Types.ObjectId, required: true },
accountId: { type: Schema.Types.ObjectId, required: true },
kind: { type: String, enum: ["credit_card", "overdraft"], required: true },
/** "YYYY-MM-DD" (İstanbul), ikisi de dahil. */
periodStart: { type: String, required: true },
periodEnd: { type: String, required: true },
dueDate: { type: String, default: null },
/** Kesim günü sonundaki borç (pozitif). */
statementDebtMinor: { type: Number, default: 0 },
minimumPaymentMinor: { type: Number, default: 0 },
/** Kesimden sonra (bir sonraki kesime kadar) yapılan ödemeler. */
paidMinor: { type: Number, default: 0 },
/** Dönemdeki harcamalar (çıkışlar). */
spentMinor: { type: Number, default: 0 },
/** KMH: tahmini faiz. */
interestMinor: { type: Number, default: null },
computedAt: { type: Date, required: true },
},
{ timestamps: true, collection: "statements" },
);
cardStatementSchema.index({ accountId: 1, periodEnd: 1 }, { unique: true });
cardStatementSchema.index({ householdId: 1, accountId: 1, periodEnd: -1 });
export type CardStatement = InferSchemaType<typeof cardStatementSchema>;
export const CardStatementModel: Model<CardStatement> =
(models.CardStatement as Model<CardStatement> | undefined) ??
model<CardStatement>("CardStatement", cardStatementSchema);