From 2e404d6706f7fee3fa7830a30263d6dddd292f5f Mon Sep 17 00:00:00 2001
From: Harold Wanyama <hwanyama@contractor.linuxfoundation.org>
Date: Thu, 13 Apr 2023 00:35:46 +0300
Subject: [PATCH] [#3884]Feature/Fetch Github User

- Added co-author user fetch by email

Signed-off-by: Harold Wanyama <hwanyama@contractor.linuxfoundation.org>
---
 cla-backend/cla/models/github_models.py | 17 ++++++++++++----
 cla-backend/cla/utils.py                | 26 +++++++++++++++++++++----
 2 files changed, 35 insertions(+), 8 deletions(-)

diff --git a/cla-backend/cla/models/github_models.py b/cla-backend/cla/models/github_models.py
index 7e8b8939a..6565b5472 100644
--- a/cla-backend/cla/models/github_models.py
+++ b/cla-backend/cla/models/github_models.py
@@ -958,12 +958,21 @@ def get_pull_request_commit_authors(pull_request) -> List[UserCommitSummary]:
                 # issue # 3884
                 co_authors = cla.utils.get_co_authors_from_commit(commit)
                 for co_author in co_authors:
+                    # check if co-author is a github user
+                    login, github_id = None, None
+                    email = co_author[1]
+                    name = co_author[0]
+                    user = cla.utils.get_github_user_by_email(email)
+                    cla.log.debug(f'{fn} - co-author: {co_author}, user: {user}')
+                    if user:
+                        login = user.login
+                        github_id = user.id
                     co_author_summary = UserCommitSummary(
                         commit.sha,
-                        None,
-                        None,
-                        co_author[0],
-                        co_author[1],
+                        github_id,
+                        login,
+                        name,
+                        email,
                         False, False  # default not authorized - will be evaluated and updated later
                     )
                     cla.log.debug(f'{fn} - PR: {pull_request.number}, {co_author_summary}')
diff --git a/cla-backend/cla/utils.py b/cla-backend/cla/utils.py
index 76912da34..b3b1fc2aa 100644
--- a/cla-backend/cla/utils.py
+++ b/cla-backend/cla/utils.py
@@ -16,6 +16,7 @@
 from urllib.parse import urlencode
 
 import falcon
+import github
 import requests
 from hug.middleware import SessionMiddleware
 from requests_oauthlib import OAuth2Session
@@ -23,10 +24,11 @@
 import cla
 from cla.middleware import CLALogMiddleware
 from cla.models import DoesNotExist
-from cla.models.dynamo_models import User, Signature, Repository, \
-    Company, Project, Document, \
-    GitHubOrg, Gerrit, UserPermissions, Event, CompanyInvite, ProjectCLAGroup, CCLAWhitelistRequest, CLAManagerRequest, \
-    GitlabOrg
+from cla.models.dynamo_models import (CCLAWhitelistRequest, CLAManagerRequest,
+                                      Company, CompanyInvite, Document, Event,
+                                      Gerrit, GitHubOrg, GitlabOrg, Project,
+                                      ProjectCLAGroup, Repository, Signature,
+                                      User, UserPermissions)
 from cla.models.event_types import EventType
 from cla.user import UserCommitSummary
 
@@ -433,6 +435,7 @@ def get_supported_repository_providers():
     :rtype: dict
     """
     from cla.models.github_models import GitHub, MockGitHub
+
     # from cla.models.gitlab_models import GitLab, MockGitLab
     # return {'github': GitHub, 'mock_github': MockGitHub,
     # 'gitlab': GitLab, 'mock_gitlab': MockGitLab}
@@ -1839,3 +1842,18 @@ def get_co_authors_from_commit(commit):
         if commit_message:
             co_authors = re.findall(r"Co-authored-by: (.*) <(.*)>", commit_message)
     return co_authors
+
+def get_github_user_by_email(email):
+    """
+    Helper function to return github user by email
+    """
+    fn = "get_github_user_by_email"
+    cla.log.debug(f'{fn} - searching for github user by email: {email}')
+    github_client = github.Github()
+    try:
+        users = github_client.search_users(email)
+        if len(users) > 0:
+            return users[0]
+    except Exception as e:
+        cla.log.warning(f'{fn} - unable to find github user by email: {email}, error: {e}')
+    return None