76 lines
2.2 KiB
JavaScript
76 lines
2.2 KiB
JavaScript
import { scheduleOnce } from "@ember/runloop";
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import Component from "@ember/component";
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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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import { observes, on } from "ember-addons/ember-computed-decorators";
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export default Component.extend(
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bufferedRender({
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classNames: ["admin-backups-logs"],
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init() {
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this._super(...arguments);
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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.element;
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div.scrollTop = div.scrollHeight;
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},
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@on("init")
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@observes("logs.[]")
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_resetFormattedLogs() {
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if (this.logs.length === 0) {
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this._reset(); // reset the cached logs whenever the model is reset
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this.rerenderBuffer();
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}
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},
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@on("init")
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@observes("logs.[]")
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_updateFormattedLogs: debounce(function() {
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const logs = this.logs;
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if (logs.length === 0) return;
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// do the log formatting only once for HELLish performance
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let formattedLogs = this.formattedLogs;
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for (let i = this.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({
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formattedLogs: formattedLogs,
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index: logs.length
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});
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// force rerender
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this.rerenderBuffer();
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scheduleOnce("afterRender", this, this._scrollDown);
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}, 150),
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buildBuffer(buffer) {
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const formattedLogs = this.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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);
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