refactor(hooks): replace useGithubApi with useGithubRepoMeta

* use GraphQL API instead of REST (the inconvenient however is that we
now need an authorization token...)
* move fetcher in services
* add tests
* mock response using MSW

1 files changed, 45 insertions, 0 deletions

diff --git a/src/services/github/fetch-github-repo-meta.ts b/src/services/github/fetch-github-repo-meta.ts
new file mode 100644
index 0000000..14c8516
--- /dev/null
+++ b/src/services/github/fetch-github-repo-meta.ts
@@ -0,0 +1,45 @@
+import type { GithubRepositoryMeta, Nullable } from '../../types';
+import { GITHUB_API } from '../../utils/constants';
+import { fetchGraphQL } from '../../utils/helpers';
+
+export type GithubRepositoryResponse = {
+  repository: Nullable<GithubRepositoryMeta>;
+};
+
+const githubRepoQuery = `query GithubRepository($name: String!, $owner: String!) {
+  repository(name: $name, owner: $owner) {
+    createdAt
+    stargazerCount
+    updatedAt
+  }
+}`;
+
+export type FetchGithubRepoMetaInput = {
+  name: string;
+  owner: string;
+};
+
+export const fetchGithubRepoMeta = async ({
+  name,
+  owner,
+}: FetchGithubRepoMetaInput) => {
+  const token = process.env.NEXT_PUBLIC_GITHUB_TOKEN;
+
+  if (!token) throw new Error('Github token is not defined.');
+
+  const response = await fetchGraphQL<GithubRepositoryResponse>({
+    headers: {
+      Authorization: `Bearer ${token}`,
+    },
+    query: githubRepoQuery,
+    url: GITHUB_API,
+    variables: { name, owner },
+  });
+
+  if (!response.repository)
+    return Promise.reject(
+      new Error(`No data found for the following repository ${owner}/${name}.`)
+    );
+
+  return response.repository;
+};