Validating SMTP Conf. Fixes #111

models/campaign.go

@@ -60,7 +60,7 @@ func (c *Campaign) Validate() error {
 	case c.Page.Name == "":
 		return ErrPageNotSpecified
 	}
-	return nil
+	return c.SMTP.Validate()
 }
 
 // SendTestEmailRequest is the structure of a request
@@ -84,7 +84,8 @@ func (s *SendTestEmailRequest) Validate() error {
 	case s.Email == "":
 		return ErrEmailNotSpecified
 	}
-	return nil
+	// Finally, check the SMTP settings
+	return s.SMTP.Validate()
 }
 
 // UpdateStatus changes the campaign status appropriately

models/smtp.go

@@ -1,5 +1,7 @@
 package models
 
+import "errors"
+
 // SMTP contains the attributes needed to handle the sending of campaign emails
 type SMTP struct {
 	SMTPId      int64  `json:"-" gorm:"column:smtp_id; primary_key:yes"`
@@ -10,18 +12,26 @@ type SMTP struct {
 	FromAddress string `json:"from_address"`
 }
 
+// ErrFromAddressNotSpecified is thrown when there is no "From" address
+// specified in the SMTP configuration
+var ErrFromAddressNotSpecified = errors.New("No From Address specified")
+
+// ErrHostNotSpecified is thrown when there is no Host specified
+// in the SMTP configuration
+var ErrHostNotSpecified = errors.New("No SMTP Host specified")
+
 // TableName specifies the database tablename for Gorm to use
 func (s SMTP) TableName() string {
 	return "smtp"
 }
 
 // Validate ensures that SMTP configs/connections are valid
-func (s *SMTP) Validate() (string, bool) {
+func (s *SMTP) Validate() error {
 	switch {
 	case s.FromAddress == "":
-		return "No from address specified", false
+		return ErrFromAddressNotSpecified
 	case s.Host == "":
-		return "No hostname specified", false
+		return ErrHostNotSpecified
 	}
-	return "", true
+	return nil
 }