Moved functions

aliasdomain.go

@@ -1,5 +1,12 @@
 package mailfull
 
+import (
+	"bufio"
+	"os"
+	"path/filepath"
+	"strings"
+)
+
 // AliasDomain represents a AliasDomain.
 type AliasDomain struct {
 	name   string
@@ -39,3 +46,53 @@ func (ad *AliasDomain) Name() string {
 func (ad *AliasDomain) Target() string {
 	return ad.target
 }
+
+// AliasDomains returns a AliasDomain slice.
+func (r *Repository) AliasDomains() ([]*AliasDomain, error) {
+	file, err := os.Open(filepath.Join(r.DirMailDataPath, FileNameAliasDomains))
+	if err != nil {
+		return nil, err
+	}
+
+	aliasDomains := make([]*AliasDomain, 0, 10)
+
+	scanner := bufio.NewScanner(file)
+	for scanner.Scan() {
+		words := strings.Split(scanner.Text(), ":")
+		if len(words) != 2 {
+			return nil, ErrInvalidFormatAliasDomain
+		}
+
+		name := words[0]
+		target := words[1]
+
+		aliasDomain, err := NewAliasDomain(name, target)
+		if err != nil {
+			return nil, err
+		}
+
+		aliasDomains = append(aliasDomains, aliasDomain)
+	}
+
+	if err := scanner.Err(); err != nil {
+		return nil, err
+	}
+
+	return aliasDomains, nil
+}
+
+// AliasDomain returns a AliasDomain of the input name.
+func (r *Repository) AliasDomain(aliasDomainName string) (*AliasDomain, error) {
+	aliasDomains, err := r.AliasDomains()
+	if err != nil {
+		return nil, err
+	}
+
+	for _, aliasDomain := range aliasDomains {
+		if aliasDomain.Name() == aliasDomainName {
+			return aliasDomain, nil
+		}
+	}
+
+	return nil, nil
+}