feat: add initial add article command

lib/resource/articles.ts

@@ -0,0 +1,104 @@
+import { parseDocument, renderMarkdown } from "@lib/documents.ts";
+import { parse } from "yaml";
+import { createCrud } from "@lib/crud.ts";
+import { stringify } from "https://deno.land/std@0.194.0/yaml/stringify.ts";
+import { formatDate } from "@lib/string.ts";
+import { fixRenderedMarkdown } from "@lib/helpers.ts";
+
+export type Article = {
+  id: string;
+  content: string;
+  name: string;
+  tags: string[];
+  meta: {
+    status: "finished" | "not-finished";
+    date: Date;
+    link: string;
+    author?: string;
+    rating?: number;
+  };
+};
+
+const crud = createCrud<Article>({
+  prefix: "Media/articles/",
+  parse: parseArticle,
+});
+
+function renderArticle(article: Article) {
+  const meta = article.meta;
+  if ("date" in meta) {
+    meta.date = formatDate(meta.date);
+  }
+
+  return fixRenderedMarkdown(`${
+    meta
+      ? `---
+${stringify(meta)}
+---`
+      : `---
+---`
+  }
+# ${article.name}
+${article.tags.map((t) => `#${t}`).join(" ")}
+${article.content}
+`);
+}
+
+function parseArticle(original: string, id: string): Article {
+  const doc = parseDocument(original);
+
+  let meta = {} as Article["meta"];
+  let name = "";
+
+  const range = [Infinity, -Infinity];
+
+  for (const child of doc.children) {
+    if (child.type === "yaml") {
+      meta = parse(child.value) as Article["meta"];
+
+      if (meta["rating"] && typeof meta["rating"] === "string") {
+        meta.rating = [...meta.rating?.matchAll("⭐")].length;
+      }
+
+      continue;
+    }
+
+    if (
+      child.type === "heading" && child.depth === 1 && !name &&
+      child.children.length === 1 && child.children[0].type === "text"
+    ) {
+      name = child.children[0].value;
+      continue;
+    }
+
+    if (name) {
+      const start = child.position?.start.offset || Infinity;
+      const end = child.position?.end.offset || -Infinity;
+      if (start < range[0]) range[0] = start;
+      if (end > range[1]) range[1] = end;
+    }
+  }
+
+  let content = original.slice(range[0], range[1]);
+  const tags = [];
+  for (const [hashtag] of original.matchAll(/\B(\#[a-zA-Z\-]+\b)(?!;)/g)) {
+    tags.push(hashtag.replace(/\#/g, ""));
+    content = content.replace(hashtag, "");
+  }
+
+  return {
+    id,
+    name,
+    tags,
+    content: renderMarkdown(content),
+    meta,
+  };
+}
+
+export const getAllArticles = crud.readAll;
+export const getArticle = crud.read;
+export const createArticle = (article: Article) => {
+  console.log("creating article", { article });
+  const content = renderArticle(article);
+  return crud.create(article.id, content);
+};