From 12f1adccf2f7200c0da0c120d1d0fa64d6224e2d Mon Sep 17 00:00:00 2001
From: SemvdH <semmer99@gmail.com>
Date: Mon, 17 Nov 2025 23:55:02 +0100
Subject: [PATCH] Write cars to file

---
 ac-server-scripts-api.py |  3 +-
 ac_cars.py               | 63 ++++++++++++++++++++++++++++++++++++++--
 2 files changed, 63 insertions(+), 3 deletions(-)

diff --git a/ac-server-scripts-api.py b/ac-server-scripts-api.py
index 702f7e2..c302b6d 100644
--- a/ac-server-scripts-api.py
+++ b/ac-server-scripts-api.py
@@ -4,7 +4,7 @@ import json
 import dbus
 from urllib.parse import parse_qs
 from ac_maps import change_track, get_all_tracks, get_configs, get_preview_image, get_outline_image
-from ac_cars import get_all_cars, get_car_image
+from ac_cars import get_all_cars, get_car_image, update_cars
 
 class Handler(BaseHTTPRequestHandler):
     def do_GET(self):
@@ -166,6 +166,7 @@ class Handler(BaseHTTPRequestHandler):
         import json
         try:
             data = json.loads(body)
+            success, message = update_cars(data.get("cars", []))
         except json.JSONDecodeError:
             self.send_response(400)
             self.send_header("Content-Type", "application/json")
diff --git a/ac_cars.py b/ac_cars.py
index ed78627..3a732fe 100644
--- a/ac_cars.py
+++ b/ac_cars.py
@@ -1,6 +1,7 @@
 import os
 
 CONFIG_FILE = "server_cfg.ini"
+ENTRY_LIST_FILE = "entry_list.ini"
 CONTENT_FOLDER = "/home/sem/assetto-corsa/content"
 CONFIG_PATH = "/home/sem/assetto-corsa/cfg"
 # CONTENT_FOLDER = "./content"
@@ -8,11 +9,23 @@ CONFIG_PATH = "/home/sem/assetto-corsa/cfg"
 
 CARS_FOLDER = os.path.join(CONTENT_FOLDER, "cars")
 
+class Car:
+    def __init__(self, name, skin, number):
+        self.name = name
+        self.skin = skin
+        self.number = number
+
+    def __str__(self):
+        return f"[CAR_{self.number}]\nMODEL={self.name}\nSKIN={self.skin}\nSPECTATOR_MODE=0\nDRIVERNAME=\nTEAM=\nGUID=\nBALLAST=0\nAI=auto\n"
+
+
 def get_all_cars():
     cars_folders = sorted([x.name for x in os.scandir(CARS_FOLDER) if x.is_dir()])
     all_cars = []
     for i in range(len(cars_folders)):
         skins = get_car_skins(cars_folders[i])
+        if len(skins) == 0:
+            continue # skip cars without skins
         skins_data = []
         for j in range(len(skins)):
             skin_data = {
@@ -25,7 +38,6 @@ def get_all_cars():
                 "skins": skins_data
         }
         all_cars.append(car_data)
-        print(f"added data " + str(car_data))
     return all_cars
 
 
@@ -45,4 +57,51 @@ def get_car_image(car: str, skin: str) -> str:
         if "preview" in lower and lower.endswith(".png") or lower.endswith(".jpg"):
             return os.path.join(img_path, name)
     return ""
-    
\ No newline at end of file
+    
+def update_cars(cars: list[dict]) -> tuple[bool, str]:
+    print(f"handling car change for {cars}")
+    cars_line = ""
+    final_cars = []
+    car_number = 0
+    for car in cars:
+        car_entry = car.get("car", "")
+        if (car_entry == ""):
+            continue
+        if (car_entry not in cars_line):
+            cars_line += f"{car};"
+        car_numer += 1
+        final_cars.append(Car(car_entry, car.get("skin"), car_number))
+    cars_line = cars_line.rstrip(";")
+    
+    write_car_entries_line(cars_line)
+    write_max_clients(len(final_cars))
+    write_entry_list_file(final_cars)
+    
+    return True, "Cars updated successfully."
+
+def write_entry_list_file(cars: list[Car]):
+    with open(os.path.join(CONFIG_PATH, ENTRY_LIST_FILE),"w") as f:
+        for car in cars:
+            f.write(str(car))
+    print(f"cars wrote to {ENTRY_LIST_FILE}")
+
+def write_max_clients(max_clients: int):
+    change_config_file("MAX_CLIENTS=", str(max_clients))
+
+def write_car_entries_line(cars_line: str):
+    change_config_file("CARS=", cars_line)
+        
+def change_config_file(line_start: str, new_value: str):
+    with open(os.path.join(CONFIG_PATH, CONFIG_FILE),'r') as file:
+        new_content = ""
+        for line in file:
+            line = line.strip()
+            if line.startswith(line_start):
+                new_content += line_start + new_value
+                print("changing line " + line + " to " + line_start + new_value)
+            else:
+                new_content += line
+            new_content += "\n"
+
+    with open(os.path.join(CONFIG_PATH, CONFIG_FILE),'w') as newfile:
+        newfile.write(new_content)
\ No newline at end of file