feat: add endpoint for creating new blocks

Will be used for creating extracts.

src/lib/notion/NotionAPIWrapper.ts

@@ -11,6 +11,7 @@ import sanitizeTags from '../anki/sanitizeTags';
 import ParserRules from '../parser/ParserRules';
 import Settings from '../parser/Settings';
 import isHeading from './helpers/isHeading';
+import { ParagraphBlockObject } from './types';
 
 const ANON_LIMIT = 21 * 2;
 const PATREON_LIMIT = 100 * 2;
@@ -69,6 +70,17 @@ class NotionAPIWrapper {
     });
   }
 
+  async createBlock(
+    parent: string,
+    newBlock: ParagraphBlockObject
+  ): Promise<ListBlockChildrenResponse> {
+    return this.notion.blocks.children.append({
+      block_id: parent,
+      /* @ts-ignore */
+      children: [newBlock],
+    });
+  }
+
   async getDatabase(id: string): Promise<GetDatabaseResponse> {
     return this.notion.databases.retrieve({ database_id: id });
   }

src/lib/notion/types.ts

@@ -0,0 +1,16 @@
+export type ParagraphBlockObject = {
+  paragraph: {
+    color: string;
+    text: [
+      {
+        type: string;
+        text: {
+          content: string;
+        };
+        annotations: {
+          color: string;
+        };
+      }
+    ];
+  };
+};

src/routes/notion/createBlock.ts

@@ -0,0 +1,15 @@
+import express from 'express';
+import NotionAPIWrapper from '../../lib/notion/NotionAPIWrapper';
+
+export default async function deleteBlock(
+  api: NotionAPIWrapper,
+  req: express.Request,
+  res: express.Response
+) {
+  const { id } = req.params;
+  if (!id) {
+    return res.status(400).send();
+  }
+  const block = await api.createBlock(id, req.body.newBlock);
+  res.json(block);
+}

src/routes/notion/index.ts

@@ -15,6 +15,7 @@ import ensureResponse from './helpers/ensureResponse';
 import { captureException } from '@sentry/node';
 import renderBlock from './renderBlock';
 import deleteBlock from './deleteBlock';
+import createBlock from './createBlock';
 
 const router = express.Router();
 
@@ -126,6 +127,13 @@ router.get('/block/:id', RequireAuthentication, async (req, res) =>
   }, res)
 );
 
+router.post('/block/:id', RequireAuthentication, async (req, res) => {
+  ensureResponse(async () => {
+    const api = await ConfigureNotionAPI(req, res);
+    return createBlock(api, req, res);
+  }, res);
+});
+
 router.delete('/block/:id', RequireAuthentication, async (req, res) =>
   ensureResponse(async () => {
     if (!res.locals.patreon) {