♻️ (sign in)

src/modules/user/service/signIn.ts

@@ -0,0 +1,110 @@
+import { data } from '@/data/data'
+import { DataType } from '@/data/DataType.enum'
+import { GithubAccessToken } from '@/data/models/GithubAccessToken'
+import { GithubToken } from '@/modules/user/interfaces/GithubToken'
+import { GithubTokenError } from '@/modules/user/interfaces/GithubTokenError'
+import { Octokit } from '@octokit/rest'
+import { addMilliseconds } from 'date-fns'
+
+const AUTHENTICATION_SERVER = 'https://litenote.li212.fr'
+const personalTokenId = 'token'
+
+export const signIn = async (
+  code: string
+): Promise<GithubToken | GithubTokenError> => {
+  const authenticationServerURL = new URL(AUTHENTICATION_SERVER)
+  authenticationServerURL.searchParams.set('code', code)
+
+  const response = await fetch(authenticationServerURL.toString())
+  const body = (await response.json()) as GithubToken | GithubTokenError
+
+  return body
+}
+
+export const refreshToken = async () => {
+  const accessToken = await data.get<
+    DataType.GithubAccessToken,
+    GithubAccessToken
+  >(data.generateId(DataType.GithubAccessToken, personalTokenId))
+
+  if (!accessToken) {
+    return null
+  }
+
+  console.log(
+    new Date(accessToken.expirationDate) >= new Date(),
+    accessToken.expirationDate,
+    new Date()
+  )
+
+  if (new Date(accessToken.expirationDate) >= new Date()) {
+    const authenticationServerURL = new URL(AUTHENTICATION_SERVER)
+    authenticationServerURL.searchParams.set('type', 'refresh')
+
+    const response = await fetch(authenticationServerURL.toString(), {
+      method: 'POST',
+      body: JSON.stringify({
+        refresh_token: accessToken.refreshToken,
+        grant_type: 'refresh_token'
+      })
+    })
+    const githubToken = (await response.json()) as
+      | GithubToken
+      | GithubTokenError
+
+    if ('error' in githubToken) {
+      return null
+    }
+
+    return await saveAccessToken(githubToken)
+  }
+
+  return accessToken
+}
+
+export const getAccessToken = async () => {
+  const response = await data.get<
+    DataType.GithubAccessToken,
+    GithubAccessToken
+  >(data.generateId(DataType.GithubAccessToken, personalTokenId))
+
+  return response
+}
+
+export const saveAccessToken = async (githubToken: GithubToken) => {
+  const actualPAT = await getAccessToken()
+
+  const expirationDate = addMilliseconds(
+    new Date(),
+    githubToken.expires_in
+  ).toISOString()
+
+  const refreshTokenExpirationDate = addMilliseconds(
+    new Date(),
+    githubToken.refresh_token_expires_in
+  ).toISOString()
+
+  const accessToken: GithubAccessToken = {
+    ...actualPAT,
+    _id: data.generateId(DataType.GithubAccessToken, personalTokenId),
+    $type: DataType.GithubAccessToken,
+    token: githubToken.access_token,
+    expiresIn: githubToken.expires_in,
+    expirationDate,
+    refreshToken: githubToken.refresh_token,
+    refreshTokenExpiresIn: githubToken.refresh_token_expires_in,
+    refreshTokenExpirationDate,
+    username: ''
+  }
+
+  const octokit = new Octokit({
+    auth: accessToken.token
+  })
+
+  const user = await octokit.request('GET /user')
+  accessToken.username = user.data.login
+
+  await data.add(accessToken)
+
+  return accessToken
+}