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Downloads in the download manager now get updated smoothly, preventing the DOM from updating on object reassign

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Isaac Grynsztein
2020-04-21 20:10:53 -04:00
parent f361b8a974
commit b583305940
1 changed files with 30 additions and 5 deletions
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35
src/app/components/downloads/downloads.component.ts
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@@ -34,7 +34,7 @@ import { trigger, transition, animateChild, stagger, query, style, animate } fro
export class DownloadsComponent implements OnInit {
downloads_check_interval = 500;
downloads = null;
downloads = {};
keys = Object.keys;
@@ -52,10 +52,7 @@ export class DownloadsComponent implements OnInit {
getCurrentDownloads() {
this.postsService.getCurrentDownloads().subscribe(res => {
if (res['downloads']) {
if (JSON.stringify(this.downloads) !== JSON.stringify(res['downloads'])) {
// if they're not the same, then replace
this.downloads = res['downloads'];
}
this.assignNewValues(res['downloads']);
} else {
// failed to get downloads
}
@@ -89,6 +86,34 @@ export class DownloadsComponent implements OnInit {
});
}
assignNewValues(new_downloads_by_session) {
const session_keys = Object.keys(new_downloads_by_session);
for (let i = 0; i < session_keys.length; i++) {
const session_id = session_keys[i];
const session_downloads_by_id = new_downloads_by_session[session_id];
const session_download_ids = Object.keys(session_downloads_by_id);
if (!this.downloads[session_id]) {
this.downloads[session_id] = session_downloads_by_id;
} else {
for (let j = 0; j < session_download_ids.length; j++) {
const download_id = session_download_ids[j];
const download = new_downloads_by_session[session_id][download_id]
if (!this.downloads[session_id][download_id]) {
this.downloads[session_id][download_id] = download;
} else {
const download_to_update = this.downloads[session_id][download_id];
download_to_update['percent_complete'] = download['percent_complete'];
download_to_update['complete'] = download['complete'];
download_to_update['timestamp_end'] = download['timestamp_end'];
download_to_update['downloading'] = download['downloading'];
download_to_update['error'] = download['error'];
}
}
}
}
}
downloadsValid() {
let valid = false;
const keys = this.keys(this.downloads);