add phone number validation check

Author: mohammadv184

.travis.yml

@@ -1,6 +1,5 @@
 language: go
 go:
-  - 1.4.x
   - 1.11.x
   - 1.16.x
   - 1.x

validate/nationalid/nationalid.go

@@ -29,11 +29,7 @@ func IsValid(value string) (bool, error) {
 		valueSlices = append(valueSlices, uint8(i))
 	}
 
-	// check #1 > *position
-	s, err := calculateNationalIDNumbers(&valueSlices)
-	if err != nil {
-		return true, err
-	}
+	s := calculateNationalIDNumbers(&valueSlices)
 
 	// check #2
 	s %= 11
@@ -46,10 +42,10 @@ func IsValid(value string) (bool, error) {
 }
 
 //calculateNationalIDNumbers Yo
-func calculateNationalIDNumbers(valueSlices *[]uint8) (sum int, err error) {
+func calculateNationalIDNumbers(valueSlices *[]uint8) (sum int) {
 	var i uint8
 	for i = 10; i >= 2; i-- {
 		sum += int(i * (*valueSlices)[10-i])
 	}
-	return sum, nil
+	return sum
 }

validate/phone/phone.go

@@ -0,0 +1,16 @@
+package phone
+
+import (
+	"errors"
+	"regexp"
+)
+
+//IsValid mobile phone number validation
+func IsValid(value string) (bool, error) {
+	re := regexp.MustCompile(`^(?:0|\+98|0098)(\d{10})$`)
+	result := re.FindStringSubmatch(value)
+	if len(result) > 0 {
+		return true, nil
+	}
+	return false, errors.New("invalid phone number")
+}

validate/phone/phone_test.go

@@ -0,0 +1,25 @@
+package phone
+
+import (
+	"testing"
+)
+
+func TestPhone(t *testing.T) {
+	tables := []struct {
+		value string
+		ok    bool
+	}{
+		{value: "2130396217", ok: false},
+		{value: "+9893909200111", ok: false},
+		{value: "0098939092011", ok: false},
+		{value: "09390920011", ok: true},
+		{value: "+989390920011", ok: true},
+		{value: "00989390920011", ok: true},
+	}
+	for _, data := range tables {
+		ok, err := IsValid(data.value)
+		if ok != data.ok {
+			t.Errorf("PhoneNumber(%q) = %v, ok %v,err %s", data.value, ok, data.ok, err)
+		}
+	}
+}