add option to use custom weather data

.gitignore

@@ -9,6 +9,7 @@ resource.syso
 
 # testing files
 config.json
+checkwx.json
 mission.miz
 realweather.miz
 tmp/

README.md

@@ -60,10 +60,11 @@ each parameter.
     "log": "logfile.log"                 // path of log file, "" disables
   },
   "metar": {
-    "icao": "KDLH",        // ICAO of the aiport to fetch METAR from
-    "runway-elevation": 0, // elevation of runway in meters MSL
-    "remarks": "",         // addtional remarks for METAR, customization only
-    "add-to-brief": true   // add METAR text to bottom of mission brief
+    "icao": "KDLH",          // ICAO of the aiport to fetch METAR from
+    "runway-elevation": 0,   // elevation of runway in meters MSL
+    "remarks": "",           // addtional remarks for METAR, customization only
+    "add-to-brief": true,    // add METAR text to bottom of mission brief
+    "use-custom-data": false // use custom data from checkwx.json file
   },
   "options": {
     "update-time": true,     // set to false to disable time being updated
@@ -133,6 +134,13 @@ each parameter.
   * `add-to-brief`: boolean
     * If true, Real Weather will add the generated METAR to the bottom of your
       mission brief.
+  * `use-custom-data`: boolean
+    * If true, Real Weather will load METAR data from a checkwx.json file
+      instead of accessing the CheckWX API. This data must be in the same format
+      CheckWX would provide. See [examples/checkwx.json](examples/checkwx.json)
+      and [checkwxapi.com](https://www.checkwxapi.com/documentation/metar) for
+      more info. Only the parameters shown in the example are currently
+      supported.
 * `options`
   * `update-time`: boolean
     * Disable/enable Real Weather modifying your mission time.

config/config.go

@@ -32,6 +32,7 @@ type Configuration struct {
 		RunwayElevation int    `json:"runway-elevation"`
 		Remarks         string `json:"remarks"`
 		AddToBrief      bool   `json:"add-to-brief"`
+		UseCustomData   bool   `json:"use-custom-data"`
 	} `json:"metar"`
 	Options struct {
 		UpdateTime    bool   `json:"update-time"`

config/config.json

@@ -9,7 +9,8 @@
     "icao": "UGKO",
     "runway-elevation": 160,
     "remarks": "RMK Generated by DCS Real Weather",
-    "add-to-brief": true
+    "add-to-brief": true,
+    "use-custom-data": false
   },
   "options": {
     "update-time": true,

examples/checkwx.json

@@ -0,0 +1,44 @@
+{
+  "results": 1,
+  "data": [
+    {
+      "icao": "UGKO",
+      "barometer": {
+        "hg": 30.15
+      },
+      "clouds": [
+        {
+          "code": "OVC",
+          "meters": 549
+        },
+        {
+          "code": "BKN",
+          "meters": 1372
+        }
+      ],
+      "dewpoint": {
+        "celsius": 11
+      },
+      "observed": "2024-04-13T01:00:00",
+      "station": {
+        "geometry": {
+          "coordinates": [
+            42.482393,
+            42.176768
+          ]
+        }
+      },
+      "temperature": {
+        "celsius": 12
+      },
+      "visibility": {
+        "meters_float": 8000
+      },
+      "wind": {
+        "degrees": 220,
+        "speed_mps": 2,
+        "gust_mps": 0
+      }
+    }
+  ]
+}

main.go

@@ -3,6 +3,7 @@ package main
 //go:generate goversioninfo versioninfo/versioninfo.json
 
 import (
+	"bytes"
 	"encoding/json"
 	"flag"
 	"fmt"
@@ -108,17 +109,32 @@ func getWx() weather.WeatherData {
 	var err error
 	var data weather.WeatherData
 
+	// use value from config if exists. CLI argument will override a false
+	// parameter in the config
+	if config.Get().METAR.UseCustomData {
+		debugCheckWx = true
+	}
+
 	if debugCheckWx {
-		log.Println("Debugging CheckWx. Reading data from file...")
+		log.Println("Using custom weather data from file...")
 		b, err := os.ReadFile("checkwx.json")
 		if err != nil {
 			log.Fatalf("Could not read checkwx.json: %v", err)
 		}
+
+		var minify bytes.Buffer
+		if err := json.Compact(&minify, b); err == nil {
+			log.Println("Read weather data: ", minify.String())
+		} else {
+			log.Println("Couldn't minify custom weather data:", err)
+		}
+
 		err = json.Unmarshal(b, &data)
 		if err != nil {
 			log.Fatalf("Could not parse checkwx.json: %v", err)
 		}
-		log.Println("Parsed weather data")
+		log.Println("Parsed weather data: ")
+
 	} else {
 		data, err = weather.GetWeather(config.Get().METAR.ICAO, config.Get().APIKey)
 		if err != nil {