investec-openapi
Version:
A JavaScript/TypeScript wrapper to get up and running fast with Investec's Open API for programmable banking.
206 lines (205 loc) • 11 kB
JavaScript
"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (_) try {
if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [op[0] & 2, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
if (t[2]) _.ops.pop();
_.trys.pop(); continue;
}
op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
Object.defineProperty(exports, "__esModule", { value: true });
var utils_1 = require("./utils");
var InvestecOpenAPI = /** @class */ (function () {
function InvestecOpenAPI() {
this.accessTokenExpiry = -1;
this.errorCallback = console.error;
}
InvestecOpenAPI.prototype.configure = function (_a) {
var proxyUrl = _a.proxyUrl, clientId = _a.clientId, secret = _a.secret, errorCallback = _a.errorCallback;
this.proxyUrl = proxyUrl !== null && proxyUrl !== void 0 ? proxyUrl : '';
this.clientId = clientId;
this.secret = secret;
if (errorCallback)
this.errorCallback = errorCallback;
};
InvestecOpenAPI.prototype.getAccounts = function () {
return __awaiter(this, void 0, void 0, function () {
var accessToken, res, ex_1;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, this.getAccessToken()];
case 1:
accessToken = _a.sent();
if (!accessToken)
return [2 /*return*/];
_a.label = 2;
case 2:
_a.trys.push([2, 5, , 6]);
return [4 /*yield*/, fetch(this.proxyUrl + "https://openapi.investec.com/za/pb/v1/accounts", {
method: 'GET',
headers: {
Authorization: "Bearer " + accessToken,
},
})];
case 3:
res = _a.sent();
if (!res.ok)
throw new Error("Server returned " + res.status + " " + res.statusText + " ");
return [4 /*yield*/, res.json()];
case 4: return [2 /*return*/, _a.sent()];
case 5:
ex_1 = _a.sent();
this.handleException(ex_1);
return [3 /*break*/, 6];
case 6: return [2 /*return*/];
}
});
});
};
InvestecOpenAPI.prototype.getAccountBalance = function (_a) {
var accountId = _a.accountId;
return __awaiter(this, void 0, void 0, function () {
var accessToken, res, ex_2;
return __generator(this, function (_b) {
switch (_b.label) {
case 0: return [4 /*yield*/, this.getAccessToken()];
case 1:
accessToken = _b.sent();
if (!accessToken)
return [2 /*return*/];
_b.label = 2;
case 2:
_b.trys.push([2, 5, , 6]);
return [4 /*yield*/, fetch(this.proxyUrl + "https://openapi.investec.com/za/pb/v1/accounts/" + accountId + "/balance ", {
method: 'GET',
headers: {
Authorization: "Bearer " + accessToken,
},
})];
case 3:
res = _b.sent();
if (!res.ok)
throw new Error("Server returned " + res.status + " " + res.statusText + " ");
return [4 /*yield*/, res.json()];
case 4: return [2 /*return*/, _b.sent()];
case 5:
ex_2 = _b.sent();
this.handleException(ex_2);
return [3 /*break*/, 6];
case 6: return [2 /*return*/];
}
});
});
};
InvestecOpenAPI.prototype.getAccountTransactions = function (_a) {
var accountId = _a.accountId, fromDate = _a.fromDate, toDate = _a.toDate;
return __awaiter(this, void 0, void 0, function () {
var accessToken, res, ex_3;
return __generator(this, function (_b) {
switch (_b.label) {
case 0: return [4 /*yield*/, this.getAccessToken()];
case 1:
accessToken = _b.sent();
if (!accessToken)
return [2 /*return*/];
_b.label = 2;
case 2:
_b.trys.push([2, 5, , 6]);
return [4 /*yield*/, fetch(this.proxyUrl + "https://openapi.investec.com/za/pb/v1/accounts/" + accountId + "/transactions?" + utils_1.buildQueryString({ fromDate: fromDate, toDate: toDate }), {
method: 'GET',
headers: {
Authorization: "Bearer " + accessToken,
},
})];
case 3:
res = _b.sent();
if (!res.ok)
throw new Error("Server returned " + res.status + " " + res.statusText + " ");
return [4 /*yield*/, res.json()];
case 4: return [2 /*return*/, _b.sent()];
case 5:
ex_3 = _b.sent();
this.handleException(ex_3);
return [3 /*break*/, 6];
case 6: return [2 /*return*/];
}
});
});
};
InvestecOpenAPI.prototype.handleException = function (ex) {
console.warn('Make sure your `proxyUrl` is setup properly.', this.proxyUrl);
};
InvestecOpenAPI.prototype.getAccessToken = function () {
return __awaiter(this, void 0, void 0, function () {
var res, _a, access_token, expires_in, ex_4;
return __generator(this, function (_b) {
switch (_b.label) {
case 0:
if (!this.clientId || !this.secret)
throw new Error('Investec Open API not configured yet, please call `investecOpenAPI.configure({ ... })` first.\n `clientId` and `secret` fields are required!');
if (this.accessToken && this.accessTokenExpiry > Date.now())
return [2 /*return*/, this.accessToken];
_b.label = 1;
case 1:
_b.trys.push([1, 4, , 5]);
return [4 /*yield*/, fetch(this.proxyUrl + "https://openapi.investec.com/identity/v2/oauth2/token", {
body: 'grant_type=client_credentials&scope=accounts',
headers: {
Authorization: "Basic " + btoa(this.clientId + ':' + this.secret),
'Content-Type': 'application/x-www-form-urlencoded',
},
method: 'POST',
})];
case 2:
res = _b.sent();
if (!res.ok) {
this.errorCallback(new Error("Error getting access token. Server returned " + res.status + " " + res.statusText));
return [2 /*return*/];
}
return [4 /*yield*/, res.json()];
case 3:
_a = (_b.sent()), access_token = _a.access_token, expires_in = _a.expires_in;
this.accessToken = access_token;
this.accessTokenExpiry = Date.now() + (expires_in - 30) * 1000;
return [2 /*return*/, access_token];
case 4:
ex_4 = _b.sent();
this.errorCallback(ex_4);
return [3 /*break*/, 5];
case 5: return [2 /*return*/];
}
});
});
};
return InvestecOpenAPI;
}());
var investecOpenAPI = new InvestecOpenAPI();
exports.default = investecOpenAPI;