package models import ( "bytes" "fmt" "io" "regexp" "strings" "time" "github.com/emersion/go-message/mail" ) // Flag is an abstraction around the different flags which can be present in // different email backends and represents a flag that we use in the UI. type Flag int const ( // SeenFlag marks a message as having been seen previously SeenFlag Flag = iota // RecentFlag marks a message as being recent RecentFlag // AnsweredFlag marks a message as having been replied to AnsweredFlag // DeletedFlag marks a message as having been deleted DeletedFlag // FlaggedFlag marks a message with a user flag FlaggedFlag ) type Directory struct { Name string Attributes []string } type DirectoryInfo struct { Name string Flags []string ReadOnly bool // The total number of messages in this mailbox. Exists int // The number of messages not seen since the last time the mailbox was opened. Recent int // The number of unread messages Unseen int } // A MessageInfo holds information about the structure of a message type MessageInfo struct { BodyStructure *BodyStructure Envelope *Envelope Flags []Flag InternalDate time.Time RFC822Headers *mail.Header Size uint32 Uid uint32 } // A MessageBodyPart can be displayed in the message viewer type MessageBodyPart struct { Reader io.Reader Uid uint32 } // A FullMessage is the entire message type FullMessage struct { Reader io.Reader Uid uint32 } type BodyStructure struct { MIMEType string MIMESubType string Params map[string]string Description string Encoding string Parts []*BodyStructure Disposition string DispositionParams map[string]string } type Envelope struct { Date time.Time Subject string From []*Address ReplyTo []*Address To []*Address Cc []*Address Bcc []*Address MessageId string } type Address struct { Name string Mailbox string Host string } var atom *regexp.Regexp = regexp.MustCompile("^[a-z0-9!#$%7'*+-/=?^_`{}|~ ]+$") func (a Address) Format() string { if a.Name != "" { if atom.MatchString(a.Name) { return fmt.Sprintf("%s <%s@%s>", a.Name, a.Mailbox, a.Host) } else { return fmt.Sprintf("\"%s\" <%s@%s>", strings.ReplaceAll(a.Name, "\"", "'"), a.Mailbox, a.Host) } } else { return fmt.Sprintf("<%s@%s>", a.Mailbox, a.Host) } } // FormatAddresses formats a list of addresses, separating each by a comma func FormatAddresses(addrs []*Address) string { val := bytes.Buffer{} for i, addr := range addrs { val.WriteString(addr.Format()) if i != len(addrs)-1 { val.WriteString(", ") } } return val.String() }