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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 | 11x 11x 11x 11x 11x 11x 11x 11x | import { Body, Controller, Headers, HttpCode, Post } from '@nestjs/common';
import { BillingService } from '@app/modules/billing/billing.service';
import { ClickSigningService } from '@app/modules/billing/click.signing.service';
class ClickBaseDto {
click_trans_id!: string;
service_id!: number;
click_paydoc_id!: string;
merchant_trans_id!: string;
amount!: number;
action!: number; // 0 prepare, 1 complete
error!: number;
error_note!: string;
sign_time!: string;
sign_string!: string;
}
class ClickPrepareDto extends ClickBaseDto {}
class ClickCompleteDto extends ClickBaseDto {
merchant_prepare_id!: number;
}
@Controller('billing/click')
export class ClickController {
constructor(
private readonly billing: BillingService,
private readonly signing: ClickSigningService,
) {}
@Post('prepare')
@HttpCode(200)
async prepare(@Body() p: ClickPrepareDto, @Headers() _headers: Record<string, string>) {
// Basic validation of content-type is optional; Nest parses form urlencoded via Fastify
Iif (!this.signing.verifyPrepareSig(p)) {
return {
click_trans_id: p.click_trans_id,
merchant_trans_id: p.merchant_trans_id,
merchant_prepare_id: null,
error: -3,
error_note: 'invalid_sign_string',
};
}
// Defer state checks to service function; reuse existing payment lookup
const payment = await this.billing.getPaymentByMerchantTransId(p.merchant_trans_id);
Iif (!payment) {
return {
click_trans_id: p.click_trans_id,
merchant_trans_id: p.merchant_trans_id,
merchant_prepare_id: null,
error: -5,
error_note: 'order_not_found',
};
}
Iif (payment.amountCents !== Math.round(p.amount * 100)) {
return {
click_trans_id: p.click_trans_id,
merchant_trans_id: p.merchant_trans_id,
merchant_prepare_id: null,
error: -2,
error_note: 'incorrect_amount',
};
}
// Update status to PREPARED and return merchant_prepare_id (use internal id)
// @ts-ignore
await (this.billing as any).prisma.client.payment.update({ where: { id: payment.id }, data: { status: 'PREPARED', merchantPrepareId: payment.id } });
return {
click_trans_id: p.click_trans_id,
merchant_trans_id: p.merchant_trans_id,
merchant_prepare_id: payment.id,
error: 0,
error_note: 'Success',
};
}
@Post('complete')
@HttpCode(200)
async complete(@Body() p: ClickCompleteDto) {
Iif (!this.signing.verifyCompleteSig(p)) {
return {
click_trans_id: p.click_trans_id,
merchant_trans_id: p.merchant_trans_id,
merchant_confirm_id: null,
error: -3,
error_note: 'invalid_sign_string',
};
}
const payment = await this.billing.getPaymentByMerchantTransId(p.merchant_trans_id);
Iif (!payment) {
return {
click_trans_id: p.click_trans_id,
merchant_trans_id: p.merchant_trans_id,
merchant_confirm_id: null,
error: -5,
error_note: 'order_not_found',
};
}
// If error from provider, mark failed
Iif (p.error && p.error <= -1) {
// @ts-ignore
await (this.billing as any).prisma.client.payment.update({ where: { id: payment.id }, data: { status: 'FAILED' } });
return {
click_trans_id: p.click_trans_id,
merchant_trans_id: p.merchant_trans_id,
merchant_confirm_id: payment.id,
error: 0,
error_note: 'Success',
};
}
// Success path: confirm
// @ts-ignore
await (this.billing as any).prisma.client.payment.update({ where: { id: payment.id }, data: { status: 'CONFIRMED', clickTransId: p.click_trans_id, clickPaydocId: p.click_paydoc_id, merchantConfirmId: payment.id } });
// TODO: enqueue entitlement job
return {
click_trans_id: p.click_trans_id,
merchant_trans_id: p.merchant_trans_id,
merchant_confirm_id: payment.id,
error: 0,
error_note: 'Success',
};
}
}
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