✨ Get a table from REST API

rest/mod.ts

@@ -1,4 +1,5 @@
 export * from "./pages.ts";
+export * from "./table.ts";
 export * from "./project.ts";
 export * from "./profile.ts";
 export * from "./replaceLinks.ts";

rest/table.ts

@@ -0,0 +1,106 @@
+import type {
+  NotFoundError,
+  NotLoggedInError,
+  NotMemberError,
+} from "../deps/scrapbox-rest.ts";
+import { cookie } from "./auth.ts";
+import { makeError } from "./error.ts";
+import { encodeTitleURI } from "../title.ts";
+import { BaseOptions, Result, setDefaults } from "./util.ts";
+
+const getTable_toRequest: GetTable["toRequest"] = (
+  project,
+  title,
+  filename,
+  options,
+) => {
+  const { sid, hostName } = setDefaults(options ?? {});
+  const path = `https://${hostName}/api/pages/${project}/${
+    encodeTitleURI(title)
+  }/${encodeURIComponent(filename)}.csv`;
+
+  return new Request(
+    path,
+    sid ? { headers: { Cookie: cookie(sid) } } : undefined,
+  );
+};
+
+const getTable_fromResponse: GetTable["fromResponse"] = async (res) => {
+  if (!res.ok) {
+    if (res.status === 404) {
+      // responseが空文字の時があるので、自前で組み立てる
+      return {
+        ok: false,
+        value: {
+          name: "NotFoundError",
+          message: "Table not found.",
+        },
+      };
+    }
+    return makeError<NotLoggedInError | NotMemberError>(res);
+  }
+  return { ok: true, value: await res.text() };
+};
+
+export interface GetTable {
+  /** /api/table/:project/:title/:filename.csv の要求を組み立てる
+   *
+   * @param project 取得したいページのproject名
+   * @param title 取得したいページのtitle 大文字小文字は問わない
+   * @param filename テーブルの名前
+   * @param options オプション
+   * @return request
+   */
+  toRequest: (
+    project: string,
+    title: string,
+    filename: string,
+    options?: BaseOptions,
+  ) => Request;
+
+  /** 帰ってきた応答からページのJSONデータを取得する
+   *
+   * @param res 応答
+   * @return ページのJSONデータ
+   */
+  fromResponse: (res: Response) => Promise<
+    Result<
+      string,
+      NotFoundError | NotLoggedInError | NotMemberError
+    >
+  >;
+
+  (
+    project: string,
+    title: string,
+    filename: string,
+    options?: BaseOptions,
+  ): Promise<
+    Result<
+      string,
+      NotFoundError | NotLoggedInError | NotMemberError
+    >
+  >;
+}
+
+/** 指定したテーブルをCSV形式で得る
+ *
+ * @param project 取得したいページのproject名
+ * @param title 取得したいページのtitle 大文字小文字は問わない
+ * @param filename テーブルの名前
+ * @param options オプション
+ */
+export const getTable: GetTable = async (
+  project,
+  title,
+  filename,
+  options,
+) => {
+  const { fetch } = setDefaults(options ?? {});
+  const req = getTable_toRequest(project, title, filename, options);
+  const res = await fetch(req);
+  return await getTable_fromResponse(res);
+};
+
+getTable.toRequest = getTable_toRequest;
+getTable.fromResponse = getTable_fromResponse;