better match dxcc

xml.go

@@ -5,6 +5,8 @@ import (
 	"io"
 	"os"
 	"regexp"
+	"strings"
+	"unicode/utf8"
 )
 
 type Countries struct {
@@ -43,15 +45,24 @@ type CountryPrefix struct {
 	EndDate    string   `xml:"EndDate"`
 }
 
+type DXCC struct {
+	Callsign        string
+	CountryName     string
+	DXCC            string
+	RegEx           string
+	RegExSplit      []string
+	RegExCharacters int
+	Ended           bool
+}
+
 func LoadCountryFile() Countries {
 	// Open our xmlFile
 	xmlFile, err := os.Open("country.xml")
 	// if we os.Open returns an error then handle it
 	if err != nil {
-		Log.Errorln(err)
+		os.Exit(1)
 	}
 
-	Log.Debugln("Successfully loaded country.xml")
 	// defer the closing of our xmlFile so that we can parse it later on
 	defer xmlFile.Close()
 
@@ -65,14 +76,58 @@ func LoadCountryFile() Countries {
 }
 
 func GetDXCC(dxCall string, Countries Countries) string {
+	DXCCList := []DXCC{}
+	d := DXCC{}
+
+	// Get all the matching DXCC for current callsign
 	for i := 0; i < len(Countries.Countries); i++ {
-		// for j := 0; j < len(Countries.Countries[i].CountryPrefixList.CountryPrefixList); j++ {
 		regExp := regexp.MustCompile(Countries.Countries[i].CountryPrefixList.CountryPrefixList[len(Countries.Countries[i].CountryPrefixList.CountryPrefixList)-1].PrefixList)
+
 		match := regExp.FindStringSubmatch(dxCall)
 		if len(match) != 0 {
-			return Countries.Countries[i].Dxcc
+
+			d = DXCC{
+				Callsign:    dxCall,
+				CountryName: Countries.Countries[i].CountryName,
+				DXCC:        Countries.Countries[i].Dxcc,
+				RegEx:       Countries.Countries[i].CountryPrefixList.CountryPrefixList[len(Countries.Countries[i].CountryPrefixList.CountryPrefixList)-1].PrefixList,
+			}
+
+			if Countries.Countries[i].CountryPrefixList.CountryPrefixList[len(Countries.Countries[i].CountryPrefixList.CountryPrefixList)-1].EndDate == "" {
+				d.Ended = false
+			} else {
+				d.Ended = true
+			}
+
+			DXCCList = append(DXCCList, d)
 		}
-		// }
 	}
-	return ""
+
+	for i := 0; i < len(DXCCList); i++ {
+		DXCCList[i].RegExSplit = strings.Split(DXCCList[i].RegEx, "|")
+
+		for j := 0; j < len(DXCCList[i].RegExSplit); j++ {
+			regExp := regexp.MustCompile(DXCCList[i].RegExSplit[j])
+			matched := regExp.FindStringSubmatch(dxCall)
+			if len(matched) > 0 {
+				DXCCList[i].RegExCharacters = utf8.RuneCountInString(DXCCList[i].RegExSplit[j])
+			}
+		}
+	}
+
+	DXCCMatch := DXCCList[0]
+	higherMatch := DXCCList[0].RegExCharacters
+
+	if len(DXCCList) > 1 {
+		for i := 0; i < len(DXCCList); i++ {
+			if DXCCList[i].RegExCharacters > higherMatch && !DXCCList[i].Ended {
+				DXCCMatch = DXCCList[i]
+				higherMatch = DXCCList[i].RegExCharacters
+			}
+		}
+	} else {
+		DXCCMatch = DXCCList[0]
+	}
+
+	return DXCCMatch.DXCC
 }