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Diffstat (limited to 'src_js/common.js')
| -rw-r--r-- | src_js/common.js | 241 |
1 files changed, 0 insertions, 241 deletions
diff --git a/src_js/common.js b/src_js/common.js deleted file mode 100644 index 1d718b8..0000000 --- a/src_js/common.js +++ /dev/null @@ -1,241 +0,0 @@ -import * as URI from 'uri-js'; -import FileSaver from 'file-saver'; -import iziToast from 'izitoast'; -import Papa from 'papaparse'; - -import r from '@hat-open/renderer'; -import * as u from '@hat-open/util'; - -import * as states from './states'; - - -const calculateUrl = URI.resolve(window.location.href, './calculate'); -const generateUrl = URI.resolve(window.location.href, './generate'); - -let panelCounter = 0; -let itemCounter = 0; - - -export async function calculate() { - r.set('calculating', true); - try { - const method = r.get('form', 'method'); - const params = createCalculateParams(); - const res = await fetch(`${calculateUrl}?method=${method}`, { - method: 'POST', - headers: {'Content-Type': 'application/json'}, - body: JSON.stringify(params) - }); - if (!res.ok) - throw await res.text(); - const result = await res.json(); - const selected = { - panel: Object.keys(result.params.panels)[0], - item: null - }; - r.change(u.pipe( - u.set('result', result), - u.set('selected', selected) - )); - if (!result) - throw 'Could not resolve calculation'; - showNotification('success', 'New calculation available'); - } catch (e) { - showNotification('error', e); - } finally { - r.set('calculating', false); - } -} - - -export async function generate() { - try { - const result = r.get('result'); - const res = await fetch(`${generateUrl}?output_format=pdf`, { - method: 'POST', - headers: {'Content-Type': 'application/json'}, - body: JSON.stringify(result) - }); - if (!res.ok) - throw await res.text(); - const blob = await res.blob(); - FileSaver.saveAs(blob, 'output.pdf'); - } catch (e) { - showNotification('error', e); - } -} - - -export async function csvImportPanels() { - const panels = await csvImport({ - name: String, - quantity: u.strictParseInt, - width: u.strictParseFloat, - height: u.strictParseFloat - }); - r.change(['form', 'panels'], x => x.concat(panels)); -} - - -export function csvExportPanels() { - const panels = r.get('form', 'panels'); - const csvData = Papa.unparse(panels); - const blob = new Blob([csvData], {type: 'text/csv'}); - FileSaver.saveAs(blob, 'panels.csv'); -} - - -export async function csvImportItems() { - const items = await csvImport({ - name: String, - quantity: u.strictParseInt, - width: u.strictParseFloat, - height: u.strictParseFloat, - can_rotate: u.equals('true') - }); - r.change(['form', 'items'], x => x.concat(items)); -} - - -export function csvExportItems() { - const items = r.get('form', 'items'); - const csvData = Papa.unparse(items); - const blob = new Blob([csvData], {type: 'text/csv'}); - FileSaver.saveAs(blob, 'items.csv'); -} - - -export function addPanel() { - panelCounter += 1; - const panel = u.set('name', `Panel${panelCounter}`, states.panel); - r.change(['form', 'panels'], u.append(panel)); -} - - -export function addItem() { - itemCounter += 1; - const item = u.set('name', `Item${itemCounter}`, states.item); - r.change(['form', 'items'], u.append(item)); -} - - -function createCalculateParams() { - const cutWidth = u.strictParseFloat(r.get('form', 'cut_width')); - if (cutWidth < 0) - throw 'Invalid cut width'; - - const minInitialUsage = r.get('form', 'min_initial_usage'); - - const panels = {}; - for (const panel of r.get('form', 'panels')) { - if (!panel.name) - throw 'Invalid panel name'; - if (panel.quantity < 1) - throw 'Invalid quantity for panel ' + panel.name; - if (panel.width <= 0) - throw 'Invalid width for panel ' + panel.name; - if (panel.height <= 0) - throw 'Invalid height for panel ' + panel.name; - for (let i = 1; i <= panel.quantity; ++i) { - const name = panel.quantity > 1 ? `${panel.name} ${i}` : panel.name; - if (name in panels) - throw 'Duplicate panel name ' + name; - panels[name] = {width: panel.width, height: panel.height}; - } - } - if (u.equals(panels, {})) - throw 'No panels defined'; - - const items = {}; - for (const item of r.get('form', 'items')) { - if (!item.name) - throw 'Invalid item name'; - if (item.quantity < 1) - throw 'Invalid quantity for item ' + item.name; - if (item.width <= 0) - throw 'Invalid width for item ' + item.name; - if (item.height <= 0) - throw 'Invalid height for item ' + item.name; - for (let i = 1; i <= item.quantity; ++i) { - const name = item.quantity > 1 ? `${item.name} ${i}` : item.name; - if (name in items) { - throw 'Duplicate item name ' + name; - } - items[name] = { - width: item.width, - height: item.height, - can_rotate: item.can_rotate - }; - } - } - if (u.equals(items, {})) - throw 'No items defined'; - - return { - cut_width: cutWidth, - min_initial_usage: minInitialUsage, - panels: panels, - items: items - }; -} - - -function showNotification(type, message) { - iziToast[type]({message: message}); -} - - -async function csvImport(header) { - const file = await loadFile('.csv'); - if (!file) - return []; - - const data = await new Promise(resolve => { - Papa.parse(file, { - header: true, - complete: result => resolve(result.data) - }); - }); - - const result = []; - for (const i of data) { - let element = {}; - for (const [k, v] of Object.entries(header)) { - if (!(k in i)) { - element = null; - break; - } - element[k] = v(i[k]); - } - if (element) - result.push(element); - } - return result; -} - - -async function loadFile(ext) { - const el = document.createElement('input'); - el.style = 'display: none'; - el.type = 'file'; - el.accept = ext; - document.body.appendChild(el); - - const promise = new Promise(resolve => { - const listener = evt => { - resolve(u.get(['files', 0], evt.target)); - }; - el.addEventListener('change', listener); - - // TODO blur not fired on close??? - el.addEventListener('blur', listener); - - el.click(); - }); - - try { - return await promise; - } finally { - document.body.removeChild(el); - } -} |