58 lines
1.8 KiB
JavaScript
58 lines
1.8 KiB
JavaScript
import debounce from 'discourse/lib/debounce';
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import { renderSpinner } from 'discourse/helpers/loading-spinner';
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import { escapeExpression } from 'discourse/lib/utilities';
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import { bufferedRender } from 'discourse-common/lib/buffered-render';
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export default Ember.Component.extend(bufferedRender({
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classNames: ["admin-backups-logs"],
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init() {
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this._super();
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this._reset();
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},
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_reset() {
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this.setProperties({ formattedLogs: "", index: 0 });
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},
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_scrollDown() {
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const $div = this.$()[0];
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$div.scrollTop = $div.scrollHeight;
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},
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_updateFormattedLogs: debounce(function() {
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const logs = this.get("logs");
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if (logs.length === 0) {
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this._reset(); // reset the cached logs whenever the model is reset
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} else {
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// do the log formatting only once for HELLish performance
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let formattedLogs = this.get("formattedLogs");
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for (let i = this.get("index"), length = logs.length; i < length; i++) {
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const date = logs[i].get("timestamp"),
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message = escapeExpression(logs[i].get("message"));
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formattedLogs += "[" + date + "] " + message + "\n";
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}
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// update the formatted logs & cache index
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this.setProperties({ formattedLogs: formattedLogs, index: logs.length });
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// force rerender
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this.rerenderBuffer();
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}
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Ember.run.scheduleOnce('afterRender', this, this._scrollDown);
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}, 150).observes("logs.[]").on('init'),
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buildBuffer(buffer) {
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const formattedLogs = this.get("formattedLogs");
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if (formattedLogs && formattedLogs.length > 0) {
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buffer.push("<pre>");
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buffer.push(formattedLogs);
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buffer.push("</pre>");
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} else {
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buffer.push("<p>" + I18n.t("admin.backups.logs.none") + "</p>");
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}
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// add a loading indicator
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if (this.get("status.isOperationRunning")) {
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buffer.push(renderSpinner('small'));
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}
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}
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}));
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