95 lines
1.9 KiB
Go
95 lines
1.9 KiB
Go
package model
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import (
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"errors"
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"fmt"
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"strconv"
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"strings"
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"time"
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)
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var ErrInvalidMessage = errors.New("invalid message")
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func MessageFromBundleLine(bundle string) (*Message, error) {
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var uid, text string
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if _, err := fmt.Sscanf(bundle, "%s:%s", &uid, &text); err != nil {
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return nil, err
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}
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return MessageFromBundle(uid, text)
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}
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func MessageFromBundle(uid, text string) (*Message, error) {
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lines := strings.SplitN(text, "\n", 9)
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if len(lines) < 9 {
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return nil, ErrInvalidMessage
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}
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repto := ""
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tag := lines[0]
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tags := strings.SplitN(tag, "/", 4)
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if len(tags) == 4 {
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if tags[2] == "repto" {
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repto = tags[3]
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}
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}
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timestamp, err := strconv.Atoi(lines[2])
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if err != nil {
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return nil, err
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}
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date := time.Unix(int64(timestamp), 0)
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return &Message{
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ID: uid,
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RepTo: repto,
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EchoArea: lines[1],
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Date: date,
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From: lines[3],
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Addr: lines[4],
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MsgTo: lines[5],
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Subject: lines[6],
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Message: lines[8],
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}, nil
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}
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func MessageFromPointMessage(node string, point string, pointMessage string) (*Message, error) {
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lines := strings.SplitN(pointMessage, "\n", 5)
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if len(lines) < 4 {
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return nil, ErrInvalidMessage
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}
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repto := ""
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message := lines[4]
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if strings.HasPrefix(message, "@repto:") {
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strings.TrimPrefix(message, "@repto:")
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messageParts := strings.SplitN(message, "\n", 2)
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repto, message = messageParts[0], messageParts[1]
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}
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return &Message{
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ID: UIDFromText(pointMessage),
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RepTo: repto,
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EchoArea: lines[0],
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Date: time.Now(),
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From: point,
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Addr: node,
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MsgTo: lines[1],
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Subject: lines[2],
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Message: message,
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}, nil
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}
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func EchoFromText(text string) *Echo {
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e := new(Echo)
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lines := strings.Split(text, "\n")
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e.Name = lines[0]
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e.Messages = make([]string, 0, len(lines))
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for _, line := range lines[1:] {
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if len(line) == 20 {
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e.Messages = append(e.Messages, line)
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}
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}
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return e
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}
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