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