package msg
import (
"errors"
"strings"
"git.sr.ht/~sircmpwn/aerc/commands"
"git.sr.ht/~sircmpwn/aerc/lib"
"git.sr.ht/~sircmpwn/aerc/models"
"git.sr.ht/~sircmpwn/aerc/widgets"
)
type helper struct {
msgProvider widgets.ProvidesMessages
}
func newHelper(aerc *widgets.Aerc) *helper {
return &helper{aerc.SelectedTab().(widgets.ProvidesMessages)}
}
func (h *helper) markedOrSelectedUids() ([]uint32, error) {
return commands.MarkedOrSelected(h.msgProvider)
}
func (h *helper) store() (*lib.MessageStore, error) {
store := h.msgProvider.Store()
if store == nil {
return nil, errors.New("Cannot perform action. Messages still loading")
}
return store, nil
}
func (h *helper) account() (*widgets.AccountView, error) {
acct := h.msgProvider.SelectedAccount()
if acct == nil {
return nil, errors.New("No account selected")
}
return acct, nil
}
func (h *helper) messages() ([]*models.MessageInfo, error) {
uid, err := commands.MarkedOrSelected(h.msgProvider)
if err != nil {
return nil, err
}
store, err := h.store()
if err != nil {
return nil, err
}
return commands.MsgInfoFromUids(store, uid)
}
func findPlaintext(bs *models.BodyStructure, path []int) []int {
for i, part := range bs.Parts {
cur := append(path, i+1)
if strings.ToLower(part.MIMEType) == "text" &&
strings.ToLower(part.MIMESubType) == "plain" {
return cur
}
if strings.ToLower(part.MIMEType) == "multipart" {
if path := findPlaintext(part, cur); path != nil {
return path
}
}
}
return nil
}
func findFirstNonMultipart(bs *models.BodyStructure, path []int) []int {
for i, part := range bs.Parts {
cur := append(path, i+1)
mimetype := strings.ToLower(part.MIMEType)
if mimetype != "multipart" {
return path
} else if mimetype == "multipart" {
if path := findPlaintext(part, cur); path != nil {
return path
}
}
}
return nil
}