Ole-Morten Duesund
8ce4f4c397
- Go application with embedded static files for dump1090 frontend - TCP client for SBS-1/BaseStation format (port 30003) - Real-time WebSocket updates with aircraft tracking - Modern web frontend with Leaflet maps and mobile-responsive design - Aircraft table with filtering/sorting and statistics dashboard - Origin configuration for receiver location and distance calculations - Automatic config.json loading from current directory - Foreground execution by default with optional -daemon flag 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>
118 lines
No EOL
2.5 KiB
Go
118 lines
No EOL
2.5 KiB
Go
package config
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import (
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"encoding/json"
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"fmt"
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"os"
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"strconv"
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)
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type Config struct {
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Server ServerConfig `json:"server"`
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Dump1090 Dump1090Config `json:"dump1090"`
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Origin OriginConfig `json:"origin"`
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}
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type ServerConfig struct {
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Address string `json:"address"`
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Port int `json:"port"`
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}
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type Dump1090Config struct {
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Host string `json:"host"`
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DataPort int `json:"data_port"`
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}
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type OriginConfig struct {
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Latitude float64 `json:"latitude"`
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Longitude float64 `json:"longitude"`
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Name string `json:"name"`
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}
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func Load() (*Config, error) {
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cfg := &Config{
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Server: ServerConfig{
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Address: ":8080",
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Port: 8080,
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},
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Dump1090: Dump1090Config{
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Host: "localhost",
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DataPort: 30003,
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},
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Origin: OriginConfig{
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Latitude: 37.7749,
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Longitude: -122.4194,
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Name: "Default Location",
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},
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}
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configFile := os.Getenv("SKYVIEW_CONFIG")
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if configFile == "" {
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// Check for config files in common locations
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candidates := []string{"config.json", "./config.json", "skyview.json"}
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for _, candidate := range candidates {
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if _, err := os.Stat(candidate); err == nil {
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configFile = candidate
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break
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}
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}
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}
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if configFile != "" {
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if err := loadFromFile(cfg, configFile); err != nil {
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return nil, fmt.Errorf("failed to load config file %s: %w", configFile, err)
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}
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}
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loadFromEnv(cfg)
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return cfg, nil
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}
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func loadFromFile(cfg *Config, filename string) error {
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data, err := os.ReadFile(filename)
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if err != nil {
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return err
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}
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return json.Unmarshal(data, cfg)
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}
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func loadFromEnv(cfg *Config) {
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if addr := os.Getenv("SKYVIEW_ADDRESS"); addr != "" {
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cfg.Server.Address = addr
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}
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if portStr := os.Getenv("SKYVIEW_PORT"); portStr != "" {
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if port, err := strconv.Atoi(portStr); err == nil {
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cfg.Server.Port = port
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cfg.Server.Address = fmt.Sprintf(":%d", port)
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}
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}
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if host := os.Getenv("DUMP1090_HOST"); host != "" {
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cfg.Dump1090.Host = host
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}
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if dataPortStr := os.Getenv("DUMP1090_DATA_PORT"); dataPortStr != "" {
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if port, err := strconv.Atoi(dataPortStr); err == nil {
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cfg.Dump1090.DataPort = port
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}
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}
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if latStr := os.Getenv("ORIGIN_LATITUDE"); latStr != "" {
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if lat, err := strconv.ParseFloat(latStr, 64); err == nil {
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cfg.Origin.Latitude = lat
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}
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}
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if lonStr := os.Getenv("ORIGIN_LONGITUDE"); lonStr != "" {
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if lon, err := strconv.ParseFloat(lonStr, 64); err == nil {
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cfg.Origin.Longitude = lon
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}
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}
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if name := os.Getenv("ORIGIN_NAME"); name != "" {
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cfg.Origin.Name = name
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}
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} |