1package fetcher
 2
 3import (
 4	"github.com/floatpane/matcha/backend"
 5	_ "github.com/floatpane/matcha/backend/maildir" // register maildir backend
 6	"github.com/floatpane/matcha/config"
 7)
 8
 9// hasBackendProvider reports whether the account is served by a non-IMAP
10// backend (currently only "maildir") and should be routed through the
11// backend.Provider abstraction instead of the legacy IMAP code path.
12func hasBackendProvider(account *config.Account) bool {
13	return account != nil && account.Protocol == "maildir"
14}
15
16// newBackendProvider builds the backend.Provider for the account. Callers
17// must guard with hasBackendProvider before invoking it.
18func newBackendProvider(account *config.Account) (backend.Provider, error) {
19	return backend.New(account)
20}
21
22func backendFoldersToFetcher(in []backend.Folder) []Folder {
23	out := make([]Folder, len(in))
24	for i, f := range in {
25		out[i] = Folder{
26			Name:       f.Name,
27			Delimiter:  f.Delimiter,
28			Attributes: f.Attributes,
29			Unread:     f.Unread,
30		}
31	}
32	return out
33}
34
35func backendEmailsToFetcher(in []backend.Email) []Email {
36	out := make([]Email, len(in))
37	for i, e := range in {
38		out[i] = Email{
39			UID:         e.UID,
40			From:        e.From,
41			To:          e.To,
42			ReplyTo:     e.ReplyTo,
43			Subject:     e.Subject,
44			Body:        e.Body,
45			Date:        e.Date,
46			IsRead:      e.IsRead,
47			MessageID:   e.MessageID,
48			InReplyTo:   e.InReplyTo,
49			References:  e.References,
50			Attachments: backendAttachmentsToFetcher(e.Attachments),
51			AccountID:   e.AccountID,
52		}
53	}
54	return out
55}
56
57func backendAttachmentsToFetcher(in []backend.Attachment) []Attachment {
58	out := make([]Attachment, len(in))
59	for i, a := range in {
60		out[i] = Attachment{
61			Filename:         a.Filename,
62			PartID:           a.PartID,
63			Data:             a.Data,
64			Encoding:         a.Encoding,
65			MIMEType:         a.MIMEType,
66			ContentID:        a.ContentID,
67			Inline:           a.Inline,
68			IsSMIMESignature: a.IsSMIMESignature,
69			SMIMEVerified:    a.SMIMEVerified,
70			IsSMIMEEncrypted: a.IsSMIMEEncrypted,
71			IsPGPSignature:   a.IsPGPSignature,
72			PGPVerified:      a.PGPVerified,
73			IsPGPEncrypted:   a.IsPGPEncrypted,
74		}
75	}
76	return out
77}