feat(api): decouple api from curriculum (#40703)

api-server/src/server/utils/auth.js

@@ -0,0 +1,50 @@
+const githubRegex = /github/i;
+const providerHash = {
+  facebook: ({ id }) => id,
+  github: ({ username }) => username,
+  twitter: ({ username }) => username,
+  linkedin({ _json }) {
+    return (_json && _json.publicProfileUrl) || null;
+  },
+  google: ({ id }) => id
+};
+
+export function getUsernameFromProvider(provider, profile) {
+  return typeof providerHash[provider] === 'function'
+    ? providerHash[provider](profile)
+    : null;
+}
+
+// createProfileAttributes(provider: String, profile: {}) => Object
+export function createUserUpdatesFromProfile(provider, profile) {
+  if (githubRegex.test(provider)) {
+    return createProfileAttributesFromGithub(profile);
+  }
+  return {
+    [getSocialProvider(provider)]: getUsernameFromProvider(
+      getSocialProvider(provider),
+      profile
+    )
+  };
+}
+// createProfileAttributes(profile) => profileUpdate
+function createProfileAttributesFromGithub(profile) {
+  const {
+    profileUrl: githubProfile,
+    username,
+    _json: { avatar_url: picture, blog: website, location, bio, name } = {}
+  } = profile;
+  return {
+    name,
+    username: username.toLowerCase(),
+    location,
+    bio,
+    website,
+    picture,
+    githubProfile
+  };
+}
+
+export function getSocialProvider(provider) {
+  return provider.split('-')[0];
+}