fix: date was updating at each edit

src/utils/misc.py

@@ -1,4 +1,4 @@
-from os import listdir
+from os import listdir, utime
 from os import path as os_path
 from os import remove as os_remove
 from time import ctime
@@ -45,7 +45,7 @@ def get_post(filename: str) -> File | None:
         return None
     else:
         with open(filename, "r") as reader:
-            return File(reader.read(), ctime(os_path.getctime(filename)))
+            return File(reader.read(), ctime(os_path.getmtime(filename)))
 
 
 def delete_post(filename: str) -> bool:
@@ -73,12 +73,11 @@ def fresh_file_id() -> int:
     return filename
 
 
-def exist_post(file_id: int) -> bool:
+def exist_post(file_id: int) -> float | None:
     try:
-        open(post_filename(file_id))
-        return True
+        return os_path.getmtime(post_filename(file_id))
     except FileNotFoundError:
-        return False
+        return None
 
 
 def create_post(file_id: int, content: str) -> bool:
@@ -86,8 +85,14 @@ def create_post(file_id: int, content: str) -> bool:
     # check if the file already exists
     update = exist_post(file_id)
 
+    filename = post_filename(file_id)
+
     # write into the file
-    with open(post_filename(file_id), "w", encoding="utf-8") as f:
+    with open(filename, "w", encoding="utf-8") as f:
         f.write(content)
 
-    return update
+    # keep metadata
+    if update:
+        utime(filename, (update, update))
+        return True
+    return False