73 lines
2.2 KiB
TypeScript
73 lines
2.2 KiB
TypeScript
import type { WidgetContent } from "$sb/app_event.ts";
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import { events, language, space, system } from "$sb/syscalls.ts";
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import { parseTreeToAST } from "$sb/lib/tree.ts";
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import { astToKvQuery } from "$sb/lib/parse-query.ts";
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import { jsonToMDTable, renderTemplate } from "../directive/util.ts";
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import { replaceTemplateVars } from "../template/template.ts";
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export async function widget(
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bodyText: string,
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pageName: string,
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): Promise<WidgetContent> {
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const pageMeta = await space.getPageMeta(pageName);
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try {
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const queryAST = parseTreeToAST(
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await language.parseLanguage(
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"query",
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await replaceTemplateVars(bodyText, pageMeta),
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),
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);
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const parsedQuery = astToKvQuery(queryAST[1]);
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const eventName = `query:${parsedQuery.querySource}`;
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let resultMarkdown = "";
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// console.log("Parsed query", parsedQuery);
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// Let's dispatch an event and see what happens
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const results = await events.dispatchEvent(
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eventName,
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{ query: parsedQuery, pageName: pageMeta.name },
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30 * 1000,
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);
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if (results.length === 0) {
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// This means there was no handler for the event which means it's unsupported
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return {
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html:
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`**Error:** Unsupported query source '${parsedQuery.querySource}'`,
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};
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} else {
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const allResults = results.flat();
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if (allResults.length === 0) {
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resultMarkdown = "No results";
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} else {
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if (parsedQuery.render) {
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// Configured a custom rendering template, let's use it!
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const rendered = await renderTemplate(
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pageMeta,
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parsedQuery.render,
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allResults,
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parsedQuery.renderAll!,
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);
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resultMarkdown = rendered.trim();
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} else {
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// TODO: At this point it's a bit pointless to first render a markdown table, and then convert that to HTML
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// We should just render the HTML table directly
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resultMarkdown = jsonToMDTable(allResults);
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}
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}
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}
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return system.invokeFunction(
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"markdown.markdownContentWidget",
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resultMarkdown,
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);
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} catch (e: any) {
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return system.invokeFunction(
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"markdown.markdownContentWidget",
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`**Error:** ${e.message}`,
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);
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}
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}
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