From f2f401cf3f083c1aaa9affc48d443029c3c1d256 Mon Sep 17 00:00:00 2001
From: Logan Cusano <logan@simplestepsolutions.com>
Date: Sun, 19 Oct 2025 02:38:41 -0400
Subject: [PATCH] add config utils

---
 app/internal/op25_config_utls.py | 70 ++++++++++++++++++++++++++++++++
 1 file changed, 70 insertions(+)
 create mode 100644 app/internal/op25_config_utls.py

diff --git a/app/internal/op25_config_utls.py b/app/internal/op25_config_utls.py
new file mode 100644
index 0000000..23e9018
--- /dev/null
+++ b/app/internal/op25_config_utls.py
@@ -0,0 +1,70 @@
+import csv
+import json
+from models import TalkgroupTag
+from typing import List
+from internal.logger import create_logger
+
+LOGGER = create_logger(__name__)
+
+def save_talkgroup_tags(talkgroup_tags: List[TalkgroupTag]) -> None:
+    """
+    Writes a list of tags to the tags file.
+
+    Args:
+        talkgroup_tags (List[TalkgroupTag]): The list of TalkgroupTag instances.
+    """
+    with open("/configs/active.cfg.tags.tsv", 'w', newline='', encoding='utf-8') as file:
+        writer = csv.writer(file, delimiter='\t', lineterminator='\n')
+        # Write rows
+        for tag in talkgroup_tags:
+            writer.writerow([tag.talkgroup, tag.tagDec])
+
+def save_whitelist(talkgroup_tags: List[int]) -> None:
+    """
+    Writes a list of talkgroups to the whitelists file.
+
+    Args:
+        talkgroup_tags (List[int]): The list of decimals to whitelist.
+    """
+    with open("/configs/active.cfg.whitelist.tsv", 'w', newline='', encoding='utf-8') as file:
+        writer = csv.writer(file, delimiter='\t', lineterminator='\n')
+        # Write rows
+        for tag in talkgroup_tags:
+            writer.writerow([tag])
+
+def del_none_in_dict(d):
+    """
+    Delete keys with the value ``None`` in a dictionary, recursively.
+
+    This alters the input so you may wish to ``copy`` the dict first.
+    """
+    for key, value in list(d.items()):
+        LOGGER.info(f"Key: '{key}'\nValue: '{value}'")
+        if value is None:
+            del d[key]
+        elif isinstance(value, dict):
+            del_none_in_dict(value)
+        elif isinstance(value, list):
+            for iterative_value in value:
+                del_none_in_dict(iterative_value)
+    return d  # For convenience
+
+def get_current_system_from_config() -> str:
+    # Get the current config
+    with open('/configs/active.cfg.json', 'r') as f:
+        json_data = f.read()
+        if isinstance(json_data, str):
+            try:
+                data = json.loads(json_data)
+            except json.JSONDecodeError:
+                return None
+        elif isinstance(json_data, dict):
+            data = json_data
+        else:
+            return None
+
+        if "channels" in data and isinstance(data["channels"], list) and len(data["channels"]) > 0:
+            first_channel = data["channels"][0]
+            if "name" in first_channel:
+                return first_channel["name"]
+    return None