ENHANCEMENTS:

- New commands /convert to convert from DD/DMS to MGRS and vice versa

Author: karel26

plugins/mission/commands.py

@@ -13,10 +13,11 @@
     UnsupportedMizFileException
 from datetime import datetime, timezone
 from discord import Interaction, app_commands, SelectOption
-from discord.app_commands import Range
+from discord.app_commands import Range, describe
 from discord.ext import commands, tasks
 from discord.ui import Modal, TextInput
 from io import BytesIO
+from mgrs import MGRS
 from pathlib import Path
 from psycopg.rows import dict_row
 from services.bot import DCSServerBot
@@ -128,6 +129,17 @@ def get_name(base_dir: str, path: str):
         return []
 
 
+class DDTransformer(app_commands.Transformer):
+    def __init__(self):
+        self.mgrs_converter = MGRS()
+
+    async def transform(self, interaction: discord.Interaction, value: Union[str, float]) -> float:
+        if isinstance(value, str):
+            return self.mgrs_converter.dmstodd(value)
+        else:
+            return value
+
+
 class Mission(Plugin[MissionEventListener]):
 
     def __init__(self, bot: DCSServerBot, listener: Type[MissionEventListener] = None):
@@ -1939,6 +1951,47 @@ async def validate(self, interaction: discord.Interaction):
             # noinspection PyUnresolvedReferences
             await interaction.response.send_message(_("No menus.yaml found."), ephemeral=True)
 
+    @command(description=_('Convert values'))
+    @app_commands.guild_only()
+    @utils.app_has_role('DCS')
+    @describe(lat="Latitude in DD or DMS (N491012.12)",
+              lon="Longitude in DD or DMS (E011012.34)",
+              mgrs="MGRS coordinates")
+    async def convert(self, interaction: discord.Interaction, mode: Literal['Lat/Lon => MGRS', 'MGRS => Lat/Lon'],
+                      lat: Optional[app_commands.Transform[float, DDTransformer]] = None,
+                      lon: Optional[app_commands.Transform[float, DDTransformer]] = None,
+                      mgrs: Optional[str] = None):
+        mgrs_converter = MGRS()
+        if mode == 'Lat/Lon => MGRS':
+            if not lat or not lon:
+                # noinspection PyUnresolvedReferences
+                await interaction.response.send_message("Latitude and longitude must be provided", ephemeral=True)
+                return
+            if isinstance(lat, str):
+                lat = mgrs_converter.dmstodd(lat)
+            if isinstance(lon, str):
+                lon = mgrs_converter.dmstodd(lon)
+            mgrs = mgrs_converter.toMGRS(lat, lon, MGRSPrecision=5)
+            # noinspection PyUnresolvedReferences
+            await interaction.response.send_message(f"MGRS: {mgrs}")
+        elif mode == 'MGRS => Lat/Lon':
+            if not mgrs:
+                # noinspection PyUnresolvedReferences
+                await interaction.response.send_message("MGRS must be provided", ephemeral=True)
+                return
+            lat, lon = mgrs_converter.toLatLon(mgrs, inDegrees=True)
+            d, m, s, f = utils.dd_to_dms(lat)
+            lat_dms = ('N' if d > 0 else 'S') + '{:02d}°{:02d}\'{:02d}.{:02d}"'.format(
+                int(abs(d)), int(abs(m)), int(abs(s)), int(abs(f)))
+            d, m, s, f = utils.dd_to_dms(lon)
+            lon_dms = ('E' if d > 0 else 'W') + '{:03d}°{:02d}\'{:02d}.{:02d}"'.format(
+                int(abs(d)), int(abs(m)), int(abs(s)), int(abs(f)))
+            # noinspection PyUnresolvedReferences
+            await interaction.response.send_message(f"{lat_dms} ({lat}), {lon_dms} ({lon})")
+        else:
+            # noinspection PyUnresolvedReferences
+            await interaction.response.send_message("Invalid conversion mode", ephemeral=True)
+
     @tasks.loop(hours=1)
     async def expire_token(self):
         async with self.apool.connection() as conn:

requirements.in

@@ -43,6 +43,9 @@ lupa==2.5
 # Matplotlib: Python 2D plotting library
 matplotlib>=3.9.4
 
+# MGRS library
+mgrs==1.5.0
+
 # Minidump: Windows Minidump file reader
 minidump==0.0.24; sys_platform == 'win32'
 

requirements.txt

@@ -18,7 +18,7 @@ build==1.3.0
 certifi==2025.8.3
 cffi==1.17.1
 charset-normalizer==3.4.3
-click==8.2.1
+click==8.3.0
 colorama==0.4.6
 contourpy==1.3.2
 croniter==6.0.0
@@ -31,7 +31,7 @@ exceptiongroup==1.3.0
 eyed3==0.9.8
 fastapi==0.116.1
 filetype==1.2.0
-fonttools==4.59.2
+fonttools==4.60.0
 frozenlist==1.7.0
 fuzzywuzzy==0.18.0
 gitdb==4.0.12
@@ -49,6 +49,7 @@ markdown-it-py==4.0.0
 markupsafe==3.0.2
 matplotlib==3.10.6
 mdurl==0.1.2
+mgrs==1.5.0
 minidump==0.0.24 ; sys_platform == "win32"
 miniupnpc==2.3.3
 multidict==6.6.4