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package models
import (
"fmt"
"io"
"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
// set to true if the value counts are accurate
AccurateCounts bool
}
// A MessageInfo holds information about the structure of a message
type MessageInfo struct {
BodyStructure *BodyStructure
Envelope *Envelope
Flags []Flag
Labels []string
InternalDate time.Time
RFC822Headers *mail.Header
Size uint32
Uid uint32
Error error
}
// 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
}
//PartAtIndex returns the BodyStructure at the requested index
func (bs *BodyStructure) PartAtIndex(index []int) (*BodyStructure, error) {
if len(index) == 0 {
return bs, nil
}
cur := index[0]
rest := index[1:]
// passed indexes are 1 based, we need to convert back to actual indexes
curidx := cur - 1
if curidx < 0 {
return nil, fmt.Errorf("invalid index, expected 1 based input")
}
// no children, base case
if len(bs.Parts) == 0 {
if len(rest) != 0 {
return nil, fmt.Errorf("more index levels given than available")
}
if cur == 1 {
return bs, nil
} else {
return nil, fmt.Errorf("invalid index %v for non multipart", cur)
}
}
if cur > len(bs.Parts) {
return nil, fmt.Errorf("invalid index %v, only have %v children",
cur, len(bs.Parts))
}
return bs.Parts[curidx].PartAtIndex(rest)
}
type Envelope struct {
Date time.Time
Subject string
From []*mail.Address
ReplyTo []*mail.Address
To []*mail.Address
Cc []*mail.Address
Bcc []*mail.Address
MessageId string
}
// OriginalMail is helper struct used for reply/forward
type OriginalMail struct {
Date time.Time
From string
Text string
MIMEType string
RFC822Headers *mail.Header
}
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