diff options
Diffstat (limited to 'packages/taler-util/src/http-client/bank-integration.ts')
| -rw-r--r-- | packages/taler-util/src/http-client/bank-integration.ts | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/packages/taler-util/src/http-client/bank-integration.ts b/packages/taler-util/src/http-client/bank-integration.ts new file mode 100644 index 000000000..75e6a627a --- /dev/null +++ b/packages/taler-util/src/http-client/bank-integration.ts @@ -0,0 +1,179 @@ +/* + This file is part of GNU Taler + (C) 2022-2024 Taler Systems S.A. + + GNU Taler is free software; you can redistribute it and/or modify it under the + terms of the GNU General Public License as published by the Free Software + Foundation; either version 3, or (at your option) any later version. + + GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY + WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR + A PARTICULAR PURPOSE. See the GNU General Public License for more details. + + You should have received a copy of the GNU General Public License along with + GNU Taler; see the file COPYING. If not, see <http://www.gnu.org/licenses/> + */ + +import { HttpRequestLibrary, readTalerErrorResponse } from "../http-common.js"; +import { HttpStatusCode } from "../http-status-codes.js"; +import { createPlatformHttpLib } from "../http.js"; +import { LibtoolVersion } from "../libtool-version.js"; +import { + FailCasesByMethod, + ResultByMethod, + opEmptySuccess, + opKnownHttpFailure, + opKnownTalerFailure, + opSuccessFromHttp, + opUnknownFailure, +} from "../operation.js"; +import { TalerErrorCode } from "../taler-error-codes.js"; +import { codecForTalerErrorDetail } from "../wallet-types.js"; +import { + LongPollParams, + TalerBankIntegrationApi, + WithdrawalOperationStatus, + codecForBankWithdrawalOperationPostResponse, + codecForBankWithdrawalOperationStatus, + codecForIntegrationBankConfig, +} from "./types.js"; +import { addLongPollingParam } from "./utils.js"; + +export type TalerBankIntegrationResultByMethod< + prop extends keyof TalerBankIntegrationHttpClient, +> = ResultByMethod<TalerBankIntegrationHttpClient, prop>; +export type TalerBankIntegrationErrorsByMethod< + prop extends keyof TalerBankIntegrationHttpClient, +> = FailCasesByMethod<TalerBankIntegrationHttpClient, prop>; + +/** + * The API is used by the wallets. + */ +export class TalerBankIntegrationHttpClient { + public readonly PROTOCOL_VERSION = "2:0:2"; + + httpLib: HttpRequestLibrary; + + constructor( + readonly baseUrl: string, + httpClient?: HttpRequestLibrary, + ) { + this.httpLib = httpClient ?? createPlatformHttpLib(); + } + + isCompatible(version: string): boolean { + const compare = LibtoolVersion.compare(this.PROTOCOL_VERSION, version); + return compare?.compatible ?? false; + } + + /** + * https://docs.taler.net/core/api-bank-integration.html#get--config + * + */ + async getConfig() { + const url = new URL(`config`, this.baseUrl); + const resp = await this.httpLib.fetch(url.href, { + method: "GET", + }); + switch (resp.status) { + case HttpStatusCode.Ok: + return opSuccessFromHttp(resp, codecForIntegrationBankConfig()); + default: + return opUnknownFailure(resp, await readTalerErrorResponse(resp)); + } + } + + /** + * https://docs.taler.net/core/api-bank-integration.html#get--withdrawal-operation-$WITHDRAWAL_ID + * + */ + async getWithdrawalOperationById( + woid: string, + params?: { + old_state?: WithdrawalOperationStatus; + } & LongPollParams, + ) { + const url = new URL(`withdrawal-operation/${woid}`, this.baseUrl); + addLongPollingParam(url, params); + if (params) { + url.searchParams.set( + "old_state", + !params.old_state ? "pending" : params.old_state, + ); + } + const resp = await this.httpLib.fetch(url.href, { + method: "GET", + }); + switch (resp.status) { + case HttpStatusCode.Ok: + return opSuccessFromHttp(resp, codecForBankWithdrawalOperationStatus()); + case HttpStatusCode.NotFound: + return opKnownHttpFailure(resp.status, resp); + default: + return opUnknownFailure(resp, await readTalerErrorResponse(resp)); + } + } + + /** + * https://docs.taler.net/core/api-bank-integration.html#post-$BANK_API_BASE_URL-withdrawal-operation-$wopid + * + */ + async completeWithdrawalOperationById( + woid: string, + body: TalerBankIntegrationApi.BankWithdrawalOperationPostRequest, + ) { + const url = new URL(`withdrawal-operation/${woid}`, this.baseUrl); + const resp = await this.httpLib.fetch(url.href, { + method: "POST", + body, + }); + switch (resp.status) { + case HttpStatusCode.Ok: + return opSuccessFromHttp( + resp, + codecForBankWithdrawalOperationPostResponse(), + ); + case HttpStatusCode.NotFound: + return opKnownHttpFailure(resp.status, resp); + case HttpStatusCode.Conflict: { + const body = await readTalerErrorResponse(resp); + const details = codecForTalerErrorDetail().decode(body); + switch (details.code) { + case TalerErrorCode.BANK_WITHDRAWAL_OPERATION_RESERVE_SELECTION_CONFLICT: + return opKnownTalerFailure(details.code, details); + case TalerErrorCode.BANK_DUPLICATE_RESERVE_PUB_SUBJECT: + return opKnownTalerFailure(details.code, details); + case TalerErrorCode.BANK_UNKNOWN_ACCOUNT: + return opKnownTalerFailure(details.code, details); + case TalerErrorCode.BANK_ACCOUNT_IS_NOT_EXCHANGE: + return opKnownTalerFailure(details.code, details); + default: + return opUnknownFailure(resp, details); + } + } + default: + return opUnknownFailure(resp, await readTalerErrorResponse(resp)); + } + } + + /** + * https://docs.taler.net/core/api-bank-integration.html#post-$BANK_API_BASE_URL-withdrawal-operation-$wopid + * + */ + async abortWithdrawalOperationById(woid: string) { + const url = new URL(`withdrawal-operation/${woid}/abort`, this.baseUrl); + const resp = await this.httpLib.fetch(url.href, { + method: "POST", + }); + switch (resp.status) { + case HttpStatusCode.NoContent: + return opEmptySuccess(resp); + case HttpStatusCode.NotFound: + return opKnownHttpFailure(resp.status, resp); + case HttpStatusCode.Conflict: + return opKnownHttpFailure(resp.status, resp); + default: + return opUnknownFailure(resp, await readTalerErrorResponse(resp)); + } + } +} |