Only send new alias events on user creation (#2285)

* Only send new alias events on user creation

(cherry picked from commit ab8f998dd40dc83c8f8a528a156ba50eae376aaf)

* Trigger a sync when a new partner user is created

* Improve tests

* Move it to the partner_utils

---------

Co-authored-by: Carlos Quintana <74399022+cquintana92@users.noreply.github.com>

app/account_linking.py

@@ -112,6 +112,7 @@ def ensure_partner_user_exists_for_user(
             partner_email=link_request.email,
             external_user_id=link_request.external_user_id,
         )
+
         Session.commit()
         LOG.i(
             f"Created new partner_user for partner:{partner.id} user:{sl_user.id} external_user_id:{link_request.external_user_id}. PartnerUser.id is {res.id}"

app/partner_user_utils.py

@@ -1,8 +1,10 @@
 from typing import Optional
 
+import arrow
 from arrow import Arrow
 
-from app.models import PartnerUser, PartnerSubscription, User
+from app import config
+from app.models import PartnerUser, PartnerSubscription, User, Job
 from app.user_audit_log_utils import emit_user_audit_log, UserAuditLogAction
 
 
@@ -15,6 +17,11 @@ def create_partner_user(
         partner_email=partner_email,
         external_user_id=external_user_id,
     )
+    Job.create(
+        name=config.JOB_SEND_ALIAS_CREATION_EVENTS,
+        payload={"user_id": user.id},
+        run_at=arrow.now(),
+    )
     emit_user_audit_log(
         user=user,
         action=UserAuditLogAction.LinkAccount,

app/proton/proton_callback_handler.py

@@ -2,11 +2,9 @@ from dataclasses import dataclass
 from enum import Enum
 from flask import url_for
 from typing import Optional
-import arrow
 
-from app import config
 from app.errors import LinkException
-from app.models import User, Partner, Job
+from app.models import User, Partner
 from app.proton.proton_client import ProtonClient, ProtonUser
 from app.account_linking import (
     process_login_case,
@@ -43,21 +41,12 @@ class ProtonCallbackHandler:
     def __init__(self, proton_client: ProtonClient):
         self.proton_client = proton_client
 
-    def _initial_alias_sync(self, user: User):
-        Job.create(
-            name=config.JOB_SEND_ALIAS_CREATION_EVENTS,
-            payload={"user_id": user.id},
-            run_at=arrow.now(),
-            commit=True,
-        )
-
     def handle_login(self, partner: Partner) -> ProtonCallbackResult:
         try:
             user = self.__get_partner_user()
             if user is None:
                 return generate_account_not_allowed_to_log_in()
             res = process_login_case(user, partner)
-            self._initial_alias_sync(res.user)
             return ProtonCallbackResult(
                 redirect_to_login=False,
                 flash_message=None,
@@ -86,7 +75,6 @@ class ProtonCallbackHandler:
             if user is None:
                 return generate_account_not_allowed_to_log_in()
             res = process_link_case(user, current_user, partner)
-            self._initial_alias_sync(res.user)
             return ProtonCallbackResult(
                 redirect_to_login=False,
                 flash_message="Account successfully linked",

tests/proton/test_proton_callback_handler.py

@@ -25,15 +25,17 @@ class MockProtonClient(ProtonClient):
         return self.user
 
 
-def check_initial_sync_job(user: User):
+def check_initial_sync_job(user: User, expected: bool):
+    found = False
     for job in Job.yield_per_query(10).filter_by(
         name=config.JOB_SEND_ALIAS_CREATION_EVENTS,
         state=JobState.ready.value,
     ):
         if job.payload.get("user_id") == user.id:
+            found = True
             Job.delete(job.id)
-            return
-    assert False
+            break
+    assert expected == found
 
 
 def test_proton_callback_handler_unexistant_sl_user():
@@ -69,10 +71,9 @@ def test_proton_callback_handler_unexistant_sl_user():
     )
     assert partner_user is not None
     assert partner_user.external_user_id == external_id
-    check_initial_sync_job(res.user)
 
 
-def test_proton_callback_handler_existant_sl_user():
+def test_proton_callback_handler_existing_sl_user():
     email = random_email()
     sl_user = User.create(email, commit=True)
 
@@ -98,7 +99,43 @@ def test_proton_callback_handler_existant_sl_user():
     sa = PartnerUser.get_by(user_id=sl_user.id, partner_id=get_proton_partner().id)
     assert sa is not None
     assert sa.partner_email == user.email
-    check_initial_sync_job(res.user)
+    check_initial_sync_job(res.user, True)
+
+
+def test_proton_callback_handler_linked_sl_user():
+    email = random_email()
+    external_id = random_string()
+    sl_user = User.create(email, commit=True)
+    PartnerUser.create(
+        user_id=sl_user.id,
+        partner_id=get_proton_partner().id,
+        external_user_id=external_id,
+        partner_email=email,
+        commit=True,
+    )
+
+    user = UserInformation(
+        email=email,
+        name=random_string(),
+        id=external_id,
+        plan=SLPlan(type=SLPlanType.Premium, expiration=Arrow.utcnow().shift(hours=2)),
+    )
+    handler = ProtonCallbackHandler(MockProtonClient(user=user))
+    res = handler.handle_login(get_proton_partner())
+
+    assert res.user is not None
+    assert res.user.id == sl_user.id
+    # Ensure the user is not marked as created from partner
+    assert User.FLAG_CREATED_FROM_PARTNER != (
+        res.user.flags & User.FLAG_CREATED_FROM_PARTNER
+    )
+    assert res.user.notification is True
+    assert res.user.trial_end is not None
+
+    sa = PartnerUser.get_by(user_id=sl_user.id, partner_id=get_proton_partner().id)
+    assert sa is not None
+    assert sa.partner_email == user.email
+    check_initial_sync_job(res.user, False)
 
 
 def test_proton_callback_handler_none_user_login():