Add data endpoint for finding users by full or partial email

app/dao/users_dao.py

@@ -97,6 +97,10 @@ def get_user_by_email(email):
     return User.query.filter(func.lower(User.email_address) == func.lower(email)).one()
 
 
+def get_users_by_partial_email(email):
+    return User.query.filter(User.email_address.ilike("\%{}\%".format(email))).all()
+
+
 def increment_failed_login_count(user):
     user.failed_login_count += 1
     db.session.add(user)

app/schemas.py

@@ -564,8 +564,14 @@ class EmailDataSchema(ma.Schema):
 
     email = fields.Str(required=True)
 
+    def __init__(self, partial_email=False):
+        super().__init__()
+        self.partial_email = partial_email
+
     @validates('email')
     def validate_email(self, value):
+        if self.partial_email:
+            return
         try:
             validate_email_address(value)
         except InvalidEmailError as e:
@@ -686,6 +692,7 @@ notification_with_personalisation_schema = NotificationWithPersonalisationSchema
 invited_user_schema = InvitedUserSchema()
 permission_schema = PermissionSchema()
 email_data_request_schema = EmailDataSchema()
+partial_email_data_request_schema = EmailDataSchema(partial_email=True)
 notifications_filter_schema = NotificationsFilterSchema()
 service_history_schema = ServiceHistorySchema()
 api_key_history_schema = ApiKeyHistorySchema()

app/user/rest.py

@@ -16,6 +16,7 @@ from app.dao.users_dao import (
     increment_failed_login_count,
     reset_failed_login_count,
     get_user_by_email,
+    get_users_by_partial_email,
     create_secret_code,
     save_user_attribute,
     update_user_password,
@@ -32,6 +33,7 @@ from app.notifications.process_notifications import (
 )
 from app.schemas import (
     email_data_request_schema,
+    partial_email_data_request_schema,
     create_user_schema,
     permission_schema,
     user_update_schema_load_json,
@@ -356,6 +358,14 @@ def get_by_email():
     return jsonify(data=result)
 
 
+@user_blueprint.route('/find-users-by-email', methods=['POST'])
+def find_users_by_email():
+    email, errors = partial_email_data_request_schema.load(request.get_json())
+    fetched_users = get_users_by_partial_email(email['email'])
+    result = [user.serialize() for user in fetched_users]
+    return jsonify(data=result), 200
+
+
 @user_blueprint.route('/reset-password', methods=['POST'])
 def send_user_reset_password():
     email, errors = email_data_request_schema.load(request.get_json())