Save email body to tmp file when error (#64)

* store email body when send fails

* increase error display duration

* feat: save email body

---------

Co-authored-by: Allan Martinez <martinezallan123@gmail.com>

email.go

@@ -4,6 +4,7 @@ import (
 	"bytes"
 	"crypto/tls"
 	"errors"
+	"fmt"
 	"os"
 	"path/filepath"
 	"strings"
@@ -48,6 +49,10 @@ func (m Model) sendEmailCmd() tea.Cmd {
 			err = errors.New("[ERROR]: unknown delivery method")
 		}
 		if err != nil {
+			path, storeErr := saveTmp(m.Body.Value())
+			if storeErr == nil {
+				err = fmt.Errorf("%w\nEmail saved to: %s", err, path)
+			}
 			return sendEmailFailureMsg(err)
 		}
 		return sendEmailSuccessMsg{}
@@ -183,3 +188,20 @@ func makeAttachments(paths []string) []resend.Attachment {
 
 	return attachments
 }
+
+// saveTmp is a helper function that stores a string in a temporary file.
+// It returns the path of the file created.
+func saveTmp(s string) (string, error) {
+	f, err := os.CreateTemp("", fmt.Sprintf("pop-%s-*.txt", time.Now().Format("2006-01-02")))
+	if err != nil {
+		return "", fmt.Errorf("creating temp file: %w", err)
+	}
+	defer f.Close()
+
+	_, err = f.WriteString(s)
+	if err != nil {
+		return "", fmt.Errorf("error writing to %s: %w", f.Name(), err)
+	}
+
+	return f.Name(), nil
+}

go.work

@@ -1,5 +0,0 @@
-go 1.21
-
-toolchain go1.21.7
-
-use .

go.work.sum

@@ -1,20 +0,0 @@
-github.com/toorop/go-dkim v0.0.0-20201103131630-e1cd1a0a5208 h1:PM5hJF7HVfNWmCjMdEfbuOBNXSVF2cMFGgQTPdKCbwM=
-github.com/toorop/go-dkim v0.0.0-20201103131630-e1cd1a0a5208/go.mod h1:BzWtXXrXzZUvMacR0oF/fbDDgUPO8L36tDMmRAf14ns=
-github.com/xhit/go-simple-mail/v2 v2.15.0 h1:qMXeqcZErUW/Dw6EXxmPuxHzVI8MdxWnEnu2xcisohU=
-github.com/xhit/go-simple-mail/v2 v2.15.0/go.mod h1:b7P5ygho6SYE+VIqpxA6QkYfv4teeyG4MKqB3utRu98=
-github.com/yuin/goldmark v1.5.4/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=
-github.com/yuin/goldmark v1.5.5 h1:IJznPe8wOzfIKETmMkd06F8nXkmlhaHqFRM9l1hAGsU=
-github.com/yuin/goldmark v1.5.5/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=
-golang.org/x/exp v0.0.0-20230711153332-06a737ee72cb h1:xIApU0ow1zwMa2uL1VDNeQlNVFTWMQxZUZCMDy0Q4Us=
-golang.org/x/exp v0.0.0-20230711153332-06a737ee72cb/go.mod h1:FXUEEKJgO7OQYeo8N01OfiKP8RXMtf6e8aTskBGqWdc=
-golang.org/x/sync v0.3.0 h1:ftCYgMx6zT/asHUrPw8BLLscYtGznsLAnjq5RH9P66E=
-golang.org/x/sync v0.3.0/go.mod h1:FU7BRWz2tNW+3quACPkgCx/L+uEAv1htQ0V83Z9Rj+Y=
-golang.org/x/sys v0.1.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.10.0 h1:SqMFp9UcQJZa+pmYuAKjd9xq1f0j5rLcDIk0mj4qAsA=
-golang.org/x/sys v0.10.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/term v0.10.0 h1:3R7pNqamzBraeqj/Tj8qt1aQ2HpmlC+Cx/qL/7hn4/c=
-golang.org/x/term v0.10.0/go.mod h1:lpqdcUyK/oCiQxvxVrppt5ggO2KCZ5QblwqPnfZ6d5o=
-golang.org/x/text v0.11.0/go.mod h1:TvPlkZtksWOMsz7fbANvkp4WM8x/WCo/om8BMLbz+aE=
-gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

model.go

@@ -213,7 +213,7 @@ func (m Model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 		m.state = editingFrom
 		m.focusActiveInput()
 		m.err = msg
-		return m, clearErrAfter(5 * time.Second)
+		return m, clearErrAfter(10 * time.Second)
 	case clearErrMsg:
 		m.err = nil
 	case tea.KeyMsg: