From f39ae57b09ef11c3d6f637fcf5d0e8bbd439bce1 Mon Sep 17 00:00:00 2001
From: bdbkun <1308709+mbof@users.noreply.github.com>
Date: Mon, 19 Aug 2024 22:14:23 +0000
Subject: [PATCH] Add support for nautical units

---
 website/src/lib/components/Menu.svelte |  1 +
 website/src/lib/db.ts                  |  2 +-
 website/src/lib/units.ts               | 59 +++++++++++++++++++++++---
 website/src/locales/en.json            |  4 ++
 4 files changed, 58 insertions(+), 8 deletions(-)

diff --git a/website/src/lib/components/Menu.svelte b/website/src/lib/components/Menu.svelte
index 5ca99121..add8a904 100644
--- a/website/src/lib/components/Menu.svelte
+++ b/website/src/lib/components/Menu.svelte
@@ -333,6 +333,7 @@
 							<Menubar.RadioGroup bind:value={$distanceUnits}>
 								<Menubar.RadioItem value="metric">{$_('menu.metric')}</Menubar.RadioItem>
 								<Menubar.RadioItem value="imperial">{$_('menu.imperial')}</Menubar.RadioItem>
+								<Menubar.RadioItem value="nautical">{$_('menu.nautical')}</Menubar.RadioItem>
 							</Menubar.RadioGroup>
 						</Menubar.SubContent>
 					</Menubar.Sub>
diff --git a/website/src/lib/db.ts b/website/src/lib/db.ts
index 5763b3a7..6a39ef02 100644
--- a/website/src/lib/db.ts
+++ b/website/src/lib/db.ts
@@ -80,7 +80,7 @@ export function dexieSettingStore<T>(key: string, initial: T, initialize: boolea
 }
 
 export const settings = {
-    distanceUnits: dexieSettingStore<'metric' | 'imperial'>('distanceUnits', 'metric'),
+    distanceUnits: dexieSettingStore<'metric' | 'imperial' | 'nautical'>('distanceUnits', 'metric'),
     velocityUnits: dexieSettingStore<'speed' | 'pace'>('velocityUnits', 'speed'),
     temperatureUnits: dexieSettingStore<'celsius' | 'fahrenheit'>('temperatureUnits', 'celsius'),
     elevationProfile: dexieSettingStore('elevationProfile', true),
diff --git a/website/src/lib/units.ts b/website/src/lib/units.ts
index 61ad1e20..5e674898 100644
--- a/website/src/lib/units.ts
+++ b/website/src/lib/units.ts
@@ -16,6 +16,10 @@ export function metersToFeet(value: number) {
     return value * 3.28084;
 }
 
+export function kilometersToNauticalMiles(value: number) {
+    return value * 0.539957;
+}
+
 export function celsiusToFahrenheit(value: number) {
     return value * 1.8 + 32;
 }
@@ -93,15 +97,35 @@ export function getTemperatureWithUnits(value: number, convert: boolean = true)
 
 // Get the units
 export function getDistanceUnits() {
-    return get(distanceUnits) === 'metric' ? get(_)('units.kilometers') : get(_)('units.miles');
+    switch (get(distanceUnits)) {
+        case 'metric':
+            return get(_)('units.kilometers');
+        case 'imperial':
+            return get(_)('units.miles');
+        case 'nautical':
+            return get(_)('units.nautical_miles');
+    }
 }
 
 export function getVelocityUnits() {
     if (get(velocityUnits) === 'speed') {
-        return get(distanceUnits) === 'metric' ? get(_)('units.kilometers_per_hour') : get(_)('units.miles_per_hour');
+        switch (get(distanceUnits)) {
+            case 'metric':
+                return get(_)('units.kilometers_per_hour');
+            case 'imperial':
+                return get(_)('units.miles_per_hour');
+            case 'nautical':
+                return get(_)('units.knots');
+        }
     } else {
-        return get(distanceUnits) === 'metric' ? get(_)('units.minutes_per_kilometer') : get(_)('units.minutes_per_mile');
-
+        switch (get(distanceUnits)) {
+            case 'metric':
+                return get(_)('units.minutes_per_kilometer');
+            case 'imperial':
+                return get(_)('units.minutes_per_mile');
+            case 'nautical':
+                return get(_)('units.minutes_per_nautical_mile');
+        }
     }
 }
 
@@ -127,7 +151,14 @@ export function getTemperatureUnits() {
 
 // Convert only the value
 export function getConvertedDistance(value: number) {
-    return get(distanceUnits) === 'metric' ? value : kilometersToMiles(value);
+    switch (get(distanceUnits)) {
+        case 'metric':
+            return value;
+        case 'imperial':
+            return kilometersToMiles(value);
+        case 'nautical':
+            return kilometersToNauticalMiles(value);
+    }
 }
 
 export function getConvertedElevation(value: number) {
@@ -136,9 +167,23 @@ export function getConvertedElevation(value: number) {
 
 export function getConvertedVelocity(value: number) {
     if (get(velocityUnits) === 'speed') {
-        return get(distanceUnits) === 'metric' ? value : kilometersToMiles(value);
+        switch (get(distanceUnits)) {
+            case 'metric':
+                return value;
+            case 'imperial':
+                return milesToKilometers(value);
+            case 'nautical':
+                return kilometersToNauticalMiles(value);
+        }
     } else {
-        return get(distanceUnits) === 'metric' ? distancePerHourToSecondsPerDistance(value) : distancePerHourToSecondsPerDistance(kilometersToMiles(value));
+        switch (get(distanceUnits)) {
+            case 'metric':
+                return distancePerHourToSecondsPerDistance(value);
+            case 'imperial':
+                return distancePerHourToSecondsPerDistance(kilometersToMiles(value));
+            case 'nautical':
+                return distancePerHourToSecondsPerDistance(kilometersToNauticalMiles(value));
+        }
     }
 }
 
diff --git a/website/src/locales/en.json b/website/src/locales/en.json
index b1717ba8..4c9b687e 100644
--- a/website/src/locales/en.json
+++ b/website/src/locales/en.json
@@ -41,6 +41,7 @@
         "distance_units": "Distance units",
         "metric": "Metric",
         "imperial": "Imperial",
+        "nautical": "Nautical",
         "velocity_units": "Velocity units",
         "temperature_units": "Temperature units",
         "celsius": "Celsius",
@@ -363,12 +364,15 @@
         "feet": "ft",
         "kilometers": "km",
         "miles": "mi",
+        "nautical_miles": "nm",
         "celsius": "°C",
         "fahrenheit": "°F",
         "kilometers_per_hour": "km/h",
         "miles_per_hour": "mph",
         "minutes_per_kilometer": "min/km",
         "minutes_per_mile": "min/mi",
+        "minutes_per_nautical_mile": "min/nm",
+        "knots": "kn",
         "heartrate": "bpm",
         "cadence": "rpm",
         "power": "W"