templates: split code in multiple files

This makes room in preparation for more code in here.

Signed-off-by: Robin Jarry <robin@jarry.cc>
Acked-by: Tim Culverhouse <tim@timculverhouse.com>

1 files changed, 80 insertions, 0 deletions

diff --git a/lib/templates/data.go b/lib/templates/data.go
new file mode 100644
index 00000000..5b351816
--- /dev/null
+++ b/lib/templates/data.go
@@ -0,0 +1,80 @@
+package templates
+
+import (
+	"time"
+
+	"git.sr.ht/~rjarry/aerc/models"
+	"github.com/emersion/go-message/mail"
+)
+
+type TemplateData struct {
+	To      []*mail.Address
+	Cc      []*mail.Address
+	Bcc     []*mail.Address
+	From    []*mail.Address
+	Date    time.Time
+	Subject string
+	// Only available when replying with a quote
+	OriginalText     string
+	OriginalFrom     []*mail.Address
+	OriginalDate     time.Time
+	OriginalMIMEType string
+}
+
+func ParseTemplateData(h *mail.Header, original models.OriginalMail) TemplateData {
+	// we ignore errors as this shouldn't fail the sending / replying even if
+	// something is wrong with the message we reply to
+	to, _ := h.AddressList("to")
+	cc, _ := h.AddressList("cc")
+	bcc, _ := h.AddressList("bcc")
+	from, _ := h.AddressList("from")
+	subject, err := h.Text("subject")
+	if err != nil {
+		subject = h.Get("subject")
+	}
+
+	td := TemplateData{
+		To:               to,
+		Cc:               cc,
+		Bcc:              bcc,
+		From:             from,
+		Date:             time.Now(),
+		Subject:          subject,
+		OriginalText:     original.Text,
+		OriginalDate:     original.Date,
+		OriginalMIMEType: original.MIMEType,
+	}
+	if original.RFC822Headers != nil {
+		origFrom, _ := original.RFC822Headers.AddressList("from")
+		td.OriginalFrom = origFrom
+	}
+	return td
+}
+
+// DummyData provides dummy data to test template validity
+func DummyData() interface{} {
+	from := &mail.Address{
+		Name:    "John Doe",
+		Address: "john@example.com",
+	}
+	to := &mail.Address{
+		Name:    "Alice Doe",
+		Address: "alice@example.com",
+	}
+	h := &mail.Header{}
+	h.SetAddressList("from", []*mail.Address{from})
+	h.SetAddressList("to", []*mail.Address{to})
+
+	oh := &mail.Header{}
+	oh.SetAddressList("from", []*mail.Address{to})
+	oh.SetAddressList("to", []*mail.Address{from})
+
+	original := models.OriginalMail{
+		Date:          time.Now(),
+		From:          from.String(),
+		Text:          "This is only a test text",
+		MIMEType:      "text/plain",
+		RFC822Headers: oh,
+	}
+	return ParseTemplateData(h, original)
+}