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refactor: centralize radio speech normalization

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This commit is contained in:
Remi
2025-09-19 09:19:33 +02:00
committed by itsrubberduck
parent 5449cff828
commit df68719374
4 changed files with 215 additions and 161 deletions
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96
server/utils/normalize.ts
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@@ -1,6 +1,7 @@
// yarn add openai
import OpenAI from "openai";
import fs from "node:fs";
import { normalizeRadioPhrase } from "../../shared/utils/radioSpeech";
import { getServerRuntimeConfig } from "./runtimeConfig";
const { openaiKey, openaiProject, llmModel, ttsModel } = getServerRuntimeConfig();
@@ -139,18 +140,6 @@ export function atcReplyPrompt(userText: string, state?: {
Normalizer → TTS (wie zuvor)
========================= */
const DIGIT: Record<string, string> = {
"0": "zero", "1": "wun", "2": "too", "3": "tree", "4": "fower",
"5": "fife", "6": "six", "7": "seven", "8": "eight", "9": "niner",
};
const NATO: Record<string, string> = {
A:"Alfa",B:"Bravo",C:"Charlie",D:"Delta",E:"Echo",F:"Foxtrot",G:"Golf",H:"Hotel",
I:"India",J:"Juliett",K:"Kilo",L:"Lima",M:"Mike",N:"November",O:"Oscar",P:"Papa",
Q:"Quebec",R:"Romeo",S:"Sierra",T:"Tango",U:"Uniform",V:"Victor",W:"Whiskey",
X:"X-ray",Y:"Yankee",Z:"Zulu"
};
// Airline-Telephony (erweiterbar)
export const CALLSIGN_MAP: Record<string,string> = {
DLH: "Lufthansa",
@@ -169,89 +158,16 @@ export const CALLSIGN_MAP: Record<string,string> = {
EZY: "Easy",
};
const spellDigits = (s: string) =>
s.split("").map(ch => DIGIT[ch] ?? ch).join(" ");
const toNato = (s: string) =>
s.toUpperCase().split("").map(ch => NATO[ch] ?? ch).join("-");
const runwaySpeak = (rw: string) => {
const m = rw.match(/^(\d{2})([LCR])?$/i);
if (!m) return rw;
const num = spellDigits(m[1]);
const side = m[2]?.toUpperCase() === "L" ? "left"
: m[2]?.toUpperCase() === "C" ? "center"
: m[2]?.toUpperCase() === "R" ? "right" : "";
return `runway ${num}${side ? " " + side : ""}`;
};
const headingSpeak = (hdg: string) => `heading ${spellDigits(hdg.padStart(3, "0"))}`;
const squawkSpeak = (code: string) => `squawk ${spellDigits(code)}`;
const freqSpeak = (f: string) => {
const [a,b] = f.split(".");
const left = spellDigits(a);
const right = b ? spellDigits(b) : "";
return `${left}${b ? " decimal " + right : ""}`;
};
const altitudeSpeak = (ft: number) => {
if (!Number.isFinite(ft)) return `${ft} feet`;
const thousands = Math.floor(ft/1000);
const hundreds = Math.round((ft % 1000)/100)*100;
const parts: string[] = [];
if (thousands) parts.push(`${spellDigits(String(thousands))} thousand`);
if (hundreds) {
const h = hundreds === 900 ? "nine hundred"
: hundreds === 800 ? "eight hundred"
: hundreds === 700 ? "seven hundred"
: hundreds === 600 ? "six hundred"
: hundreds === 500 ? "five hundred"
: hundreds === 400 ? "fower hundred"
: hundreds === 300 ? "tree hundred"
: hundreds === 200 ? "too hundred"
: hundreds === 100 ? "wun hundred"
: spellDigits(String(hundreds));
parts.push(h);
}
return `${parts.join(" ")} feet`.trim();
};
const flightLevelSpeak = (fl: string) =>
`flight level ${spellDigits(fl.replace(/^0+/, ""))}`;
const qnhSpeak = (q: string) => `QNH ${spellDigits(q)}`;
const callsignSpeak = (raw: string, map: Record<string,string>) => {
const up = raw.toUpperCase();
const m = up.match(/^([A-Z]{2,3})(\d{1,4}[A-Z]?)$/);
if (!m) return raw;
const telephony = map[m[1]] ?? toNato(m[1]).replace(/-/g," ");
const suffix = spellDigits(m[2].replace(/[A-Z]$/, (l) => " " + (NATO[l] ?? l)));
return `${telephony} ${suffix}`;
};
const icaoAirportSpeak = (code: string) =>
/^[A-Z]{4}$/.test(code) ? toNato(code) : code;
// Public Normalizer
export function normalizeATC(
text: string,
opts?: { airlineMap?: Record<string,string>; }
) {
let out = text;
out = out.replace(/\b(\d{3})\.(\d{3})\b/g, (_,a,b)=> `${freqSpeak(`${a}.${b}`)}`);
out = out.replace(/\b(?:HDG|heading)\s*(\d{2,3})\b/gi, (_,h)=> headingSpeak(h));
out = out.replace(/\b(?:RWY|runway)\s*(\d{2}[LCR]?)\b/gi, (_,rw)=> runwaySpeak(rw));
out = out.replace(/\b(?:squawk|code)\s*(\d{4})\b/gi, (_,c)=> squawkSpeak(c));
out = out.replace(/\bFL\s*(\d{2,3})\b/gi, (_,fl)=> flightLevelSpeak(fl));
out = out.replace(/\b(\d{3,5})\s*(?:ft|feet)\b/gi, (_,ft)=> altitudeSpeak(Number(ft)));
out = out.replace(/\bQNH\s*(\d{3,4})\b/gi, (_,q)=> qnhSpeak(q));
out = out.replace(/\b([A-Z]{4})\b/g, (_,code)=> icaoAirportSpeak(code));
out = out.replace(/\b([A-Z]{2,3}\d{1,4}[A-Z]?)\b/g, (m)=> callsignSpeak(m, opts?.airlineMap ?? CALLSIGN_MAP));
return out.replace(/\s+/g," ").trim();
return normalizeRadioPhrase(text, {
airlineMap: opts?.airlineMap ?? CALLSIGN_MAP,
expandAirports: true,
expandCallsigns: true,
});
}
// TTS Wrapper (mp3)