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/*
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, makeBasicAuthHeader, readTalerErrorResponse } from "../http-common.js";
import { HttpStatusCode } from "../http-status-codes.js";
import { createPlatformHttpLib } from "../http.js";
import {
FailCasesByMethod,
ResultByMethod,
opFixedSuccess,
opKnownHttpFailure,
opSuccessFromHttp,
opUnknownFailure,
} from "../operation.js";
import {
LongPollParams,
PaginationParams,
TalerWireGatewayApi,
codecForAddIncomingResponse,
codecForIncomingHistory,
codecForOutgoingHistory,
codecForTransferResponse,
} from "./types.js";
import { addLongPollingParam, addPaginationParams } from "./utils.js";
export type TalerWireGatewayResultByMethod<
prop extends keyof TalerWireGatewayHttpClient,
> = ResultByMethod<TalerWireGatewayHttpClient, prop>;
export type TalerWireGatewayErrorsByMethod<
prop extends keyof TalerWireGatewayHttpClient,
> = FailCasesByMethod<TalerWireGatewayHttpClient, prop>;
/**
* The API is used by the exchange to trigger transactions and query
* incoming transactions, as well as by the auditor to query incoming
* and outgoing transactions.
*
* https://docs.taler.net/core/api-bank-wire.html
*/
export class TalerWireGatewayHttpClient {
httpLib: HttpRequestLibrary;
constructor(
readonly baseUrl: string,
readonly username: string,
httpClient?: HttpRequestLibrary,
) {
this.httpLib = httpClient ?? createPlatformHttpLib();
}
// public readonly PROTOCOL_VERSION = "4:0:0";
// isCompatible(version: string): boolean {
// const compare = LibtoolVersion.compare(this.PROTOCOL_VERSION, version)
// return compare?.compatible ?? false
// }
// /**
// * https://docs.taler.net/core/api-corebank.html#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 opSuccess(resp, codecForCoreBankConfig())
// default: return opUnknownFailure(resp, await readTalerErrorResponse(resp))
// }
// }
/**
* https://docs.taler.net/core/api-bank-wire.html#post--transfer
*
*/
async transfer(auth: string, body: TalerWireGatewayApi.TransferRequest) {
const url = new URL(`transfer`, this.baseUrl);
const resp = await this.httpLib.fetch(url.href, {
method: "POST",
headers: {
Authorization: makeBasicAuthHeader(this.username, auth),
},
body,
});
switch (resp.status) {
case HttpStatusCode.Ok:
return opSuccessFromHttp(resp, codecForTransferResponse());
//FIXME: show more details in docs
case HttpStatusCode.BadRequest:
return opKnownHttpFailure(resp.status, resp);
case HttpStatusCode.Unauthorized:
return opKnownHttpFailure(resp.status, resp);
//FIXME: show more details in docs
case HttpStatusCode.NotFound:
return opKnownHttpFailure(resp.status, resp);
case HttpStatusCode.Conflict:
return opKnownHttpFailure(resp.status, resp);
default:
return opUnknownFailure(resp, await readTalerErrorResponse(resp));
}
}
/**
* https://docs.taler.net/core/api-bank-wire.html#get--history-incoming
*
*/
async getHistoryIncoming(
auth: string,
params?: PaginationParams & LongPollParams,
) {
const url = new URL(`history/incoming`, this.baseUrl);
addPaginationParams(url, params);
addLongPollingParam(url, params);
const resp = await this.httpLib.fetch(url.href, {
method: "GET",
headers: {
Authorization: makeBasicAuthHeader(this.username, auth),
},
});
switch (resp.status) {
case HttpStatusCode.Ok:
return opSuccessFromHttp(resp, codecForIncomingHistory());
//FIXME: account should not be returned or make it optional
case HttpStatusCode.NoContent:
return opFixedSuccess({
incoming_transactions: [],
credit_account: undefined,
});
//FIXME: show more details in docs
case HttpStatusCode.BadRequest:
return opKnownHttpFailure(resp.status, resp);
case HttpStatusCode.Unauthorized:
return opKnownHttpFailure(resp.status, resp);
//FIXME: show more details in docs
case HttpStatusCode.NotFound:
return opKnownHttpFailure(resp.status, resp);
default:
return opUnknownFailure(resp, await readTalerErrorResponse(resp));
}
}
/**
* https://docs.taler.net/core/api-bank-wire.html#get--history-outgoing
*
*/
async getHistoryOutgoing(
auth: string,
params?: PaginationParams & LongPollParams,
) {
const url = new URL(`history/outgoing`, this.baseUrl);
addPaginationParams(url, params);
addLongPollingParam(url, params);
const resp = await this.httpLib.fetch(url.href, {
method: "GET",
headers: {
Authorization: makeBasicAuthHeader(this.username, auth),
},
});
switch (resp.status) {
case HttpStatusCode.Ok:
return opSuccessFromHttp(resp, codecForOutgoingHistory());
//FIXME: account should not be returned or make it optional
case HttpStatusCode.NoContent:
return opFixedSuccess({
outgoing_transactions: [],
debit_account: undefined,
});
//FIXME: show more details in docs
case HttpStatusCode.BadRequest:
return opKnownHttpFailure(resp.status, resp);
case HttpStatusCode.Unauthorized:
return opKnownHttpFailure(resp.status, resp);
//FIXME: show more details in docs
case HttpStatusCode.NotFound:
return opKnownHttpFailure(resp.status, resp);
default:
return opUnknownFailure(resp, await readTalerErrorResponse(resp));
}
}
/**
* https://docs.taler.net/core/api-bank-wire.html#post--admin-add-incoming
*
*/
async addIncoming(
auth: string,
body: TalerWireGatewayApi.AddIncomingRequest,
) {
const url = new URL(`admin/add-incoming`, this.baseUrl);
const resp = await this.httpLib.fetch(url.href, {
method: "POST",
headers: {
Authorization: makeBasicAuthHeader(this.username, auth),
},
body,
});
switch (resp.status) {
case HttpStatusCode.Ok:
return opSuccessFromHttp(resp, codecForAddIncomingResponse());
//FIXME: show more details in docs
case HttpStatusCode.BadRequest:
return opKnownHttpFailure(resp.status, resp);
case HttpStatusCode.Unauthorized:
return opKnownHttpFailure(resp.status, resp);
//FIXME: show more details in docs
case HttpStatusCode.NotFound:
return opKnownHttpFailure(resp.status, resp);
case HttpStatusCode.Conflict:
return opKnownHttpFailure(resp.status, resp);
default:
return opUnknownFailure(resp, await readTalerErrorResponse(resp));
}
}
}
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