feat: Added support for US Counties in OpsLog / Extra feature with DXHunter

cmd/cntygen/main.go

@@ -0,0 +1,81 @@
+package main
+
+// One-shot generator: reads the FIPS county CSV and emits
+// internal/awardref/uscounties_gen.go. Not part of the build.
+
+import (
+	"bufio"
+	"fmt"
+	"os"
+	"sort"
+	"strings"
+
+	"hamlog/internal/award"
+)
+
+// dxccForState maps the two US "states" that are separate DXCC entities.
+func dxccForState(st string) int {
+	switch st {
+	case "AK":
+		return 6
+	case "HI":
+		return 110
+	default:
+		return 291
+	}
+}
+
+// territories we exclude — USA-CA is the 50 states (+ DC).
+var skipState = map[string]bool{"PR": true, "GU": true, "VI": true, "AS": true, "MP": true, "NA": true}
+
+func main() {
+	f, err := os.Open(os.Args[1])
+	if err != nil {
+		panic(err)
+	}
+	defer f.Close()
+
+	type row struct{ code, name string; dxcc int }
+	var rows []row
+	seen := map[string]bool{}
+	sc := bufio.NewScanner(f)
+	sc.Scan() // header
+	for sc.Scan() {
+		line := sc.Text()
+		parts := strings.SplitN(line, ",", 3)
+		if len(parts) < 3 {
+			continue
+		}
+		name := strings.TrimSpace(parts[1])
+		st := strings.TrimSpace(parts[2])
+		if skipState[st] || len(st) != 2 || strings.EqualFold(name, "UNITED STATES") {
+			continue
+		}
+		// State header rows have an all-caps state NAME and state code "NA"
+		// (already skipped). County rows have a 2-letter state code.
+		code := award.USCountyKey(st, name)
+		if code == "" || seen[code] {
+			continue
+		}
+		seen[code] = true
+		rows = append(rows, row{code: code, name: name + ", " + st, dxcc: dxccForState(st)})
+	}
+	sort.Slice(rows, func(i, j int) bool { return rows[i].code < rows[j].code })
+
+	var b strings.Builder
+	b.WriteString("// Code generated by cmd/cntygen from FIPS county data. DO NOT EDIT.\n")
+	b.WriteString("package awardref\n\n")
+	b.WriteString("// usCounties is the US Counties (USA-CA) reference list: one entry per county\n")
+	b.WriteString("// in the 50 states, keyed by the canonical \"STATE,COUNTY\" match code that\n")
+	b.WriteString("// award.usCountyKey produces from a QSO's state + cnty fields.\n")
+	fmt.Fprintf(&b, "func usCounties() []Ref {\n\treturn []Ref{\n")
+	for _, r := range rows {
+		fmt.Fprintf(&b, "\t\tref(%q, %q, %d),\n", r.code, r.name, r.dxcc)
+	}
+	b.WriteString("\t}\n}\n")
+
+	if err := os.WriteFile(os.Args[2], []byte(b.String()), 0o644); err != nil {
+		panic(err)
+	}
+	fmt.Printf("wrote %d counties to %s\n", len(rows), os.Args[2])
+}