73 lines
1.6 KiB
JavaScript
73 lines
1.6 KiB
JavaScript
const AJAX_HANDLER_URL = '/api/js/AjaxHandler';
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function escapeHtml(str) {
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const div = document.createElement('div');
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div.textContent = str ?? '';
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return div.innerHTML;
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}
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async function parseJsonResponse(response) {
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const rawText = await response.text();
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try {
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return JSON.parse(rawText);
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} catch (e) {
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console.error('Antwort war kein gültiges JSON:', rawText);
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throw new Error('Server hat kein gültiges JSON zurückgegeben (siehe Konsole)');
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}
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}
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async function ajaxRequest(payload) {
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try {
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const response = await fetch(AJAX_HANDLER_URL, {
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method: 'POST',
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headers: { 'Content-Type': 'application/json' },
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body: JSON.stringify(payload)
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});
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const data = await parseJsonResponse(response);
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if (data.error) {
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throw new Error(data.error);
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}
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return data;
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} catch (error) {
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console.error('Ajax-Fehler:', error.message);
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throw error;
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}
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}
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function DatabaseInsert(table, columns, values) {
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return ajaxRequest({
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action: 'insert',
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table,
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columns,
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values
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});
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}
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function DatabaseShow(table, columns = [], conditions = []) {
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return ajaxRequest({
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action: 'show',
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table,
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columns,
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conditions
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});
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}
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function DatabaseUpdate(table, updates, conditions) {
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return ajaxRequest({
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action: 'update',
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table,
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updates,
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conditions
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});
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}
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function DatabaseDelete(table, conditions) {
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return ajaxRequest({
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action: 'delete',
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table,
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conditions
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});
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}
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