Move more functions out of main

src/users.py

@@ -89,3 +89,45 @@ def generate_server_users(server, users):
                 server_users[jellyfin_user] = jellyfin_id
 
     return server_users
+
+
+def setup_users(
+    server_1, server_2, blacklist_users, whitelist_users, user_mapping=None
+):
+    server_1_users = generate_user_list(server_1)
+    server_2_users = generate_user_list(server_2)
+    logger(f"Server 1 users: {server_1_users}", 1)
+    logger(f"Server 2 users: {server_2_users}", 1)
+
+    users = combine_user_lists(server_1_users, server_2_users, user_mapping)
+    logger(f"User list that exist on both servers {users}", 1)
+
+    users_filtered = filter_user_lists(users, blacklist_users, whitelist_users)
+    logger(f"Filtered user list {users_filtered}", 1)
+
+    output_server_1_users = generate_server_users(server_1, users_filtered)
+    output_server_2_users = generate_server_users(server_2, users_filtered)
+
+    # Check if users is none or empty
+    if output_server_1_users is None or len(output_server_1_users) == 0:
+        logger(
+            f"No users found for server 1 {server_1[0]}, users: {server_1_users}, overlapping users {users}, filtered users {users_filtered}, server 1 users {server_1[1].users}"
+        )
+
+    if output_server_2_users is None or len(output_server_2_users) == 0:
+        logger(
+            f"No users found for server 2 {server_2[0]}, users: {server_2_users}, overlapping users {users} filtered users {users_filtered}, server 2 users {server_2[1].users}"
+        )
+
+    if (
+        output_server_1_users is None
+        or len(output_server_1_users) == 0
+        or output_server_2_users is None
+        or len(output_server_2_users) == 0
+    ):
+        raise Exception("No users found for one or both servers")
+
+    logger(f"Server 1 users: {output_server_1_users}", 1)
+    logger(f"Server 2 users: {output_server_2_users}", 1)
+
+    return output_server_1_users, output_server_2_users