[feat] Add getTopicList endpoint

config.ts

 export const NOTION_KEY = process.env.NOTION_KEY;
+export const LAWS_BLOCK_ID =
+  process.env.LAWS_BLOCK_ID ?? "d02fa51eda254c9fa4b97e5f9beb1a86";

lib/notion.ts

 import { NOTION_KEY } from "../config";
 
-interface NotionAuth {}
+const { Client } = require("@notionhq/client");
 
-/**
- * Returns authentication configuration for a Notion API `fetch` call.
- * @returns
- */
-export function notionCall(): Partial<RequestInit> {
-  return {
-    headers: {
-      "Notion-Version": "2022-06-28",
-      Authorization: `Bearer ${NOTION_KEY}`,
-    },
-  };
-}
+export const notion = new Client({ auth: NOTION_KEY });

package-lock.json

       "name": "renacer-api",
       "version": "0.1.0",
       "dependencies": {
+        "@notionhq/client": "^2.2.2",
         "@types/node": "18.11.11",
         "@types/react": "18.0.26",
         "@types/react-dom": "18.0.9",
         "node": ">= 8"
       }
     },
+    "node_modules/@notionhq/client": {
+      "version": "2.2.2",
+      "resolved": "https://registry.npmjs.org/@notionhq/client/-/client-2.2.2.tgz",
+      "integrity": "sha512-L7TB+UyhnWTSv1ek7xzGr9+mS9o76qMKnZ8Ag8H2q6QgvywAiPOFcE3ulWI/1AnMewGVRqwb30agPHMVRY/K/w==",
+      "dependencies": {
+        "@types/node-fetch": "^2.5.10",
+        "node-fetch": "^2.6.1"
+      },
+      "engines": {
+        "node": ">=12"
+      }
+    },
     "node_modules/@pkgr/utils": {
       "version": "2.3.1",
       "resolved": "https://registry.npmjs.org/@pkgr/utils/-/utils-2.3.1.tgz",
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     },
+    "node_modules/@types/node-fetch": {
+      "version": "2.6.2",
+      "resolved": "https://registry.npmjs.org/@types/node-fetch/-/node-fetch-2.6.2.tgz",
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+      "dependencies": {
+        "@types/node": "*",
+        "form-data": "^3.0.0"
+      }
+    },
     "node_modules/@types/prop-types": {
       "version": "15.7.5",
       "resolved": "https://registry.npmjs.org/@types/prop-types/-/prop-types-15.7.5.tgz",
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     },
+    "node_modules/asynckit": {
+      "version": "0.4.0",
+      "resolved": "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz",
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+    "node_modules/combined-stream": {
+      "version": "1.0.8",
+      "resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.8.tgz",
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+      "dependencies": {
+        "delayed-stream": "~1.0.0"
+      },
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+        "node": ">= 0.8"
+      }
+    },
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         "url": "https://github.com/sponsors/ljharb"
       }
     },
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+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/delayed-stream/-/delayed-stream-1.0.0.tgz",
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+      "engines": {
+        "node": ">=0.4.0"
+      }
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+        "combined-stream": "^1.0.8",
+        "mime-types": "^2.1.12"
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+      },
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+        "node": ">= 0.6"
+      }
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       "version": "3.1.2",
       "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.1.2.tgz",
         }
       }
     },
+    "node_modules/node-fetch": {
+      "version": "2.6.7",
+      "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-2.6.7.tgz",
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+      "dependencies": {
+        "whatwg-url": "^5.0.0"
+      },
+      "engines": {
+        "node": "4.x || >=6.0.0"
+      },
+      "peerDependencies": {
+        "encoding": "^0.1.0"
+      },
+      "peerDependenciesMeta": {
+        "encoding": {
+          "optional": true
+        }
+      }
+    },
     "node_modules/object-assign": {
       "version": "4.1.1",
       "resolved": "https://registry.npmjs.org/object-assign/-/object-assign-4.1.1.tgz",
         "node": ">=8.0"
       }
     },
+    "node_modules/tr46": {
+      "version": "0.0.3",
+      "resolved": "https://registry.npmjs.org/tr46/-/tr46-0.0.3.tgz",
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         "punycode": "^2.1.0"
       }
     },
+    "node_modules/webidl-conversions": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-3.0.1.tgz",
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       "resolved": "https://registry.npmjs.org/which/-/which-2.0.2.tgz",
         "fastq": "^1.6.0"
       }
     },
+    "@notionhq/client": {
+      "version": "2.2.2",
+      "resolved": "https://registry.npmjs.org/@notionhq/client/-/client-2.2.2.tgz",
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+      "requires": {
+        "@types/node-fetch": "^2.5.10",
+        "node-fetch": "^2.6.1"
+      }
+    },
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       "version": "2.3.1",
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     },
+    "@types/node-fetch": {
+      "version": "2.6.2",
+      "resolved": "https://registry.npmjs.org/@types/node-fetch/-/node-fetch-2.6.2.tgz",
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+      "requires": {
+        "@types/node": "*",
+        "form-data": "^3.0.0"
+      }
+    },
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       "version": "15.7.5",
       "resolved": "https://registry.npmjs.org/@types/prop-types/-/prop-types-15.7.5.tgz",
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     },
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+      "resolved": "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz",
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+      }
+    },
     "concat-map": {
       "version": "0.0.1",
       "resolved": "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz",
         "object-keys": "^1.1.1"
       }
     },
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       "version": "3.0.1",
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+        "asynckit": "^0.4.0",
+        "combined-stream": "^1.0.8",
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         "picomatch": "^2.3.1"
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+        "mime-db": "1.52.0"
+      }
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         "styled-jsx": "5.1.0"
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+      "requires": {
+        "whatwg-url": "^5.0.0"
+      }
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       }
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         "punycode": "^2.1.0"
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+    "webidl-conversions": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-3.0.1.tgz",
+      "integrity": "sha512-2JAn3z8AR6rjK8Sm8orRC0h/bcl/DqL7tRPdGZ4I1CjdF+EaMLmYxBHyXuKL849eucPFhvBoxMsflfOb8kxaeQ=="
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package.json

     "lint": "next lint"
   },
   "dependencies": {
+    "@notionhq/client": "^2.2.2",
     "@types/node": "18.11.11",
     "@types/react": "18.0.26",
     "@types/react-dom": "18.0.9",

pages/api/getTopicList.ts

 // Next.js API route support: https://nextjs.org/docs/api-routes/introduction
 import type { NextApiRequest, NextApiResponse } from "next";
+import { LAWS_BLOCK_ID } from "../../config";
+import { notion } from "../../lib/notion";
 
-type Data = {
+interface Topic {
+  blockId: string;
   name: string;
-};
+}
+
+function getTopicsInDatabase(notionResp: any): Topic[] {
+  return notionResp.results.map((block: any) => ({
+    blockId: block.id,
+    name: block.properties.Name.title[0].plain_text,
+  }));
+}
 
-export default function handler(
+export default async function handler(
   req: NextApiRequest,
-  res: NextApiResponse<Data>
+  res: NextApiResponse<Topic[]>
 ) {
-  res.status(200).json({ name: "John Doe" });
+  const resp = await notion.databases.query({
+    database_id: LAWS_BLOCK_ID,
+    sorts: [
+      {
+        property: "Created",
+        direction: "ascending",
+      },
+    ],
+  });
+  res.status(200).json(getTopicsInDatabase(resp));
 }