monzolib/dist/helpers.js

Fully Featured JS/Node Monzo Library

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const date_fns_1 = require("date-fns");
const lodash_1 = require("lodash");
const Amount_1 = require("./Amount");
var GroupingStrategy;
(function (GroupingStrategy) {
    GroupingStrategy["Day"] = "day";
    GroupingStrategy["Category"] = "category";
    GroupingStrategy["Merchant"] = "merchant";
    GroupingStrategy["None"] = "none";
})(GroupingStrategy = exports.GroupingStrategy || (exports.GroupingStrategy = {}));
exports.groupTransactions = (txs, method = "none") => {
    const groupKey = {
        ["day"]: (tx) => {
            return date_fns_1.startOfDay(tx.created).toISOString();
        },
        ["category"]: (tx) => {
            return tx.category.formatted;
        },
        ["merchant"]: (tx) => {
            if (typeof tx.merchant === 'string') {
                return tx.merchant;
            }
            else {
                return tx.merchant
                    ? tx.merchant.groupId
                    : tx.counterparty.user_id
                        ? 'monzo-contacts'
                        : 'top-ups';
            }
        },
        ["none"]: () => {
            return 'unsorted';
        },
    };
    return lodash_1.map(lodash_1.groupBy(txs, groupKey[method]), (txs, id) => ({
        id,
        method,
        txs,
    }));
};
exports.getGroupTitle = (group) => {
    const titleFns = {
        ["day"]: (group) => {
            const created = date_fns_1.parseISO(group.id);
            const now = Date.now();
            if (date_fns_1.isSameDay(now, created)) {
                return 'Today';
            }
            else if (date_fns_1.isSameDay(created, date_fns_1.subDays(now, 1))) {
                return 'Yesterday';
            }
            else if (date_fns_1.isSameYear(created, now)) {
                return date_fns_1.format(created, 'EEEE, do MMMM');
            }
            else {
                return date_fns_1.format(created, 'EEEE, do MMMM yyyy');
            }
        },
        ["category"]: (group) => {
            return group.txs[0].category.formatted;
        },
        ["merchant"]: (group) => {
            const tx = group.txs[0];
            if (typeof tx.merchant === 'string') {
                return tx.merchant;
            }
            else {
                return tx.merchant
                    ? tx.merchant.name
                    : tx.counterparty.user_id
                        ? 'Monzo Contacts'
                        : 'Top Ups';
            }
        },
        ["none"]: () => {
            return 'Unsorted';
        },
    };
    return titleFns[group.method](group);
};
exports.sumGroup = (txs) => {
    const filtered = txs
        .filter((tx) => !tx.is.metaAction || !tx.declined)
        .filter((tx) => tx.amount.negative);
    const sum = lodash_1.sumBy(filtered, (tx) => tx.amount.raw);
    return new Amount_1.Amount({
        domestic: {
            amount: sum,
            currency: txs[0].amount.currency,
        },
    });
};
function extractBalanceAndSpent(bal) {
    const domesticBalance = {
        amount: bal.balance,
        currency: bal.currency,
    };
    const domesticSpend = {
        amount: bal.spend_today,
        currency: bal.currency,
    };
    if (bal.local_currency) {
        const localBalance = {
            amount: bal.balance * bal.local_exchange_rate,
            currency: bal.local_currency,
        };
        const localSpend = {
            amount: bal.local_spend.length > 0
                ? bal.local_spend[0].spend_today * bal.local_exchange_rate
                : 0,
            currency: bal.local_currency,
        };
        return {
            balance: new Amount_1.Amount({
                domestic: domesticBalance,
                local: localBalance,
            }),
            spent: new Amount_1.Amount({ domestic: domesticSpend, local: localSpend }),
        };
    }
    else {
        return {
            balance: new Amount_1.Amount({ domestic: domesticBalance }),
            spent: new Amount_1.Amount({ domestic: domesticSpend }),
        };
    }
}
exports.extractBalanceAndSpent = extractBalanceAndSpent;