discourse/app/assets/javascripts/admin/addon/components/admin-backups-logs.js

79 lines
2.1 KiB
JavaScript

import Component from "@ember/component";
import { scheduleOnce } from "@ember/runloop";
import { classNames } from "@ember-decorators/component";
import { observes, on } from "@ember-decorators/object";
import discourseDebounce from "discourse-common/lib/debounce";
import { i18n } from "discourse-i18n";
@classNames("admin-backups-logs")
export default class AdminBackupsLogs extends Component {
showLoadingSpinner = false;
hasFormattedLogs = false;
noLogsMessage = i18n("admin.backups.logs.none");
formattedLogs = "";
index = 0;
_reset() {
this.setProperties({ formattedLogs: "", index: 0 });
}
_scrollDown() {
const div = this.element;
div.scrollTop = div.scrollHeight;
}
@on("init")
@observes("logs.[]")
_resetFormattedLogs() {
if (this.logs.length === 0) {
this._reset(); // reset the cached logs whenever the model is reset
this.renderLogs();
}
}
_updateFormattedLogsFunc() {
const logs = this.logs;
if (logs.length === 0) {
return;
}
// do the log formatting only once for HELLish performance
let formattedLogs = this.formattedLogs;
for (let i = this.index, length = logs.length; i < length; i++) {
const date = logs[i].get("timestamp"),
message = logs[i].get("message");
formattedLogs += "[" + date + "] " + message + "\n";
}
// update the formatted logs & cache index
this.setProperties({
formattedLogs,
index: logs.length,
});
// force rerender
this.renderLogs();
scheduleOnce("afterRender", this, this._scrollDown);
}
@on("init")
@observes("logs.[]")
_updateFormattedLogs() {
discourseDebounce(this, this._updateFormattedLogsFunc, 150);
}
renderLogs() {
const formattedLogs = this.formattedLogs;
if (formattedLogs && formattedLogs.length > 0) {
this.set("hasFormattedLogs", true);
} else {
this.set("hasFormattedLogs", false);
}
// add a loading indicator
if (this.get("status.isOperationRunning")) {
this.set("showLoadingSpinner", true);
} else {
this.set("showLoadingSpinner", false);
}
}
}