tildefriends/apps/ssb/tf-tab-query.js

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import {LitElement, html, unsafeHTML} from './lit-all.min.js';
import * as tfrpc from '/static/tfrpc.js';
import {styles} from './tf-styles.js';
class TfTabQueryElement extends LitElement {
static get properties() {
return {
whoami: {type: String},
users: {type: Object},
following: {type: Array},
query: {type: String},
expanded: {type: Object},
results: {type: Array},
error: {type: Object},
duration: {type: Number},
};
}
static styles = styles;
constructor() {
super();
let self = this;
this.whoami = null;
this.users = {};
this.following = [];
this.expanded = {};
this.duration = undefined;
}
async search(query) {
console.log('Searching...', this.whoami, query);
this.results = [];
this.error = undefined;
this.duration = undefined;
let search = this.renderRoot.getElementById('search');
if (search) {
search.value = query;
search.focus();
}
await tfrpc.rpc.setHash('#sql=' + encodeURIComponent(query));
let start_time = new Date();
try {
this.results = await tfrpc.rpc.query(query, [])
} catch (error) {
this.error = error;
}
let end_time = new Date();
this.duration = (end_time - start_time).valueOf();
console.log('Done.');
search = this.renderRoot.getElementById('search');
if (search) {
search.value = query;
search.focus();
}
}
search_keydown(event) {
if (event.keyCode == 13 && event.ctrlKey) {
this.query = this.renderRoot.getElementById('search').value;
event.preventDefault();
}
}
on_expand(event) {
if (event.detail.expanded) {
let expand = {};
expand[event.detail.id] = true;
this.expanded = Object.assign({}, this.expanded, expand);
} else {
delete this.expanded[event.detail.id];
this.expanded = Object.assign({}, this.expanded);
}
}
render_results() {
if (!this.results?.length) {
return html`<div>No results.</div>`;
} else {
let keys = Object.keys(this.results[0]).sort();
return html`<table style="width: 100%; max-width: 100%">
<tr>${keys.map(key => html`<th>${key}</th>`)}</tr>
${this.results.map(row => html`<tr>${keys.map(key => html`<td>${row[key]}</td>`)}</tr>`)}
</table>`;
}
}
render_error() {
if (this.error) {
return html`<h2 style="color: red">${this.error.message}</h2>
<pre style="color: red">${this.error.stack}</pre>`;
}
}
render() {
if (this.query !== this.last_query) {
this.last_query = this.query;
this.search(this.query);
}
let self = this;
return html`
<div style="display: flex; flex-direction: row; gap: 4px">
<textarea id="search" rows=8 class="w3-input w3-dark-grey" style="flex: 1; resize: vertical" @keydown=${this.search_keydown}>${this.query}</textarea>
<button class="w3-button w3-dark-grey" @click=${(event) => self.search(self.renderRoot.getElementById('search').value)}>Execute</button>
</div>
<div ?hidden=${this.duration === undefined}>Took ${this.duration / 1000.0} seconds.</div>
<div ?hidden=${this.duration !== undefined}>Executing...</div>
${this.render_error()}
${this.render_results()}
`;
}
}
customElements.define('tf-tab-query', TfTabQueryElement);