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7e4b69351e
* add database to project. Seed data. Update customerId to customer_id * seed customers table data * use database everywhere * refactor * fix ts lint errors * add type to invoice edit page * remove fetch-data file and fetch data directly in components * update lates invoices to use sql * in invoice table, search the database here with SQL * rename tsx files to ts and add node script to seed data * address rest of PR comments * move all data fetches to own file * add types to filter invoices function * remove unused param * prettier * update function names
63 lines
1.8 KiB
TypeScript
63 lines
1.8 KiB
TypeScript
import { Invoice, Revenue } from './definitions';
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import { fetchLatestInvoices } from './data-fetches';
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export const calculateAllInvoices = (
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invoices: Invoice[],
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status: 'pending' | 'paid',
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) => {
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return invoices
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.filter((invoice) => !status || invoice.status === status)
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.reduce((total, invoice) => total + invoice.amount / 100, 0)
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.toLocaleString('en-US', {
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style: 'currency',
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currency: 'USD',
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});
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};
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export const calculateCustomerInvoices = (
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invoices: Invoice[],
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status: 'pending' | 'paid',
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customerId: number,
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) => {
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return invoices
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.filter((invoice) => invoice.customer_id === customerId)
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.filter((invoice) => !status || invoice.status === status)
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.reduce((total, invoice) => total + invoice.amount / 100, 0)
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.toLocaleString('en-US', {
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style: 'currency',
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currency: 'USD',
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});
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};
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// Once a database is connected, we can use SQL to query the database directly
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// This will be more efficient than querying all invoices and then filtering them
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// E.g. "SELECT * FROM invoices
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// ORDER BY date DESC
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// LIMIT 5;"
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export const countCustomerInvoices = (
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invoices: Invoice[],
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customerId: number,
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) => {
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return invoices.filter((invoice) => invoice.customer_id === customerId)
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.length;
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};
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export const findLatestInvoices = async () => {
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return await fetchLatestInvoices();
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};
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export const generateYAxis = (revenue: Revenue[]) => {
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// Calculate what labels we need to display on the y-axis
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// based on highest record and in 1000s
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const yAxisLabels = [];
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const highestRecord = Math.max(...revenue.map((month) => month.revenue));
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const topLabel = Math.ceil(highestRecord / 1000) * 1000;
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for (let i = topLabel; i >= 0; i -= 1000) {
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yAxisLabels.push(`$${i / 1000}K`);
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}
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return { yAxisLabels, topLabel };
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};
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