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I think this lets me load more pages.

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git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@4280 ed5197a5-7fde-0310-b194-c3ffbd925b24
This commit is contained in:
Cory McWilliams 2023-05-03 22:32:21 +00:00
parent 2614e89b1b
commit 74323c22f9
2 changed files with 44 additions and 4 deletions
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45
apps/ssb/tf-tab-news-feed.js
View File

@ -26,6 +26,7 @@ class TfTabNewsFeedElement extends LitElement {
this.following = []; this.following = [];
this.drafts = {}; this.drafts = {};
this.expanded = {}; this.expanded = {};
this.start_time = new Date().valueOf() - 24 * 60 * 60 * 1000;
} }
async fetch_messages() { async fetch_messages() {
@ -85,11 +86,42 @@ class TfTabNewsFeedElement extends LitElement {
`, `,
[ [
JSON.stringify(this.following), JSON.stringify(this.following),
new Date().valueOf() - 24 * 60 * 60 * 1000, this.start_time,
]); ]);
} }
} }
async load_more() {
let last_start_time = this.start_time;
this.start_time = last_start_time - 24 * 60 * 60 * 1000;
let more = await tfrpc.rpc.query(
`
WITH news AS (SELECT messages.*
FROM messages
JOIN json_each(?) AS following ON messages.author = following.value
WHERE messages.timestamp > ?
AND messages.timestamp <= ?
ORDER BY messages.timestamp DESC)
SELECT messages.*
FROM news
JOIN messages_refs ON news.id = messages_refs.ref
JOIN messages ON messages_refs.message = messages.id
UNION
SELECT messages.*
FROM news
JOIN messages_refs ON news.id = messages_refs.message
JOIN messages ON messages_refs.ref = messages.id
UNION
SELECT news.* FROM news
`,
[
JSON.stringify(this.following),
this.start_time,
last_start_time,
]);
this.messages = [...more, ...this.messages];
}
render() { render() {
if (!this.messages || if (!this.messages ||
this._messages_hash !== this.hash || this._messages_hash !== this.hash ||
@ -106,7 +138,16 @@ class TfTabNewsFeedElement extends LitElement {
alert(JSON.stringify(error, null, 2)); alert(JSON.stringify(error, null, 2));
}); });
} }
return html`<tf-news id="news" whoami=${this.whoami} .users=${this.users} .messages=${this.messages} .following=${this.following} .drafts=${this.drafts} .expanded=${this.expanded}></tf-news>`; let more;
if (!this.hash.startsWith('#@') && !this.hash.startsWith('#%')) {
more = html`
<input type="button" value="Load More" @click=${this.load_more}></input>
`;
}
return html`
<tf-news id="news" whoami=${this.whoami} .users=${this.users} .messages=${this.messages} .following=${this.following} .drafts=${this.drafts} .expanded=${this.expanded}></tf-news>
${more}
`;
} }
} }

3
apps/ssb/tf-tab-news.js
View File

@ -45,7 +45,7 @@ class TfTabNewsElement extends LitElement {
show_more() { show_more() {
let unread = this.unread; let unread = this.unread;
let news = this.renderRoot?.getElementById('news'); let news = this.shadowRoot?.getElementById('news');
if (news) { if (news) {
console.log('injecting messages', news.messages); console.log('injecting messages', news.messages);
news.messages = Object.values(Object.fromEntries([...this.unread, ...news.messages].map(x => [x.id, x]))); news.messages = Object.values(Object.fromEntries([...this.unread, ...news.messages].map(x => [x.id, x])));
@ -98,7 +98,6 @@ class TfTabNewsElement extends LitElement {
on_keypress(event) { on_keypress(event) {
if (event.target === document.body && if (event.target === document.body &&
event.key == '.') { event.key == '.') {
console.log(this);
this.show_more(); this.show_more();
} }
} }