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authorRené 'Necoro' Neumann <necoro@necoro.eu>2020-04-20 02:02:15 +0200
committerRené 'Necoro' Neumann <necoro@necoro.eu>2020-04-20 02:02:15 +0200
commit9e45db27daa3b682c4d8e1e1aa9e66594cf887a4 (patch)
tree251177708d11f7118541fc49ac1549df18803ad7 /internal/feed/mail.go
parentf1231aa444bd13aa031fe6e3dac32138436f956b (diff)
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Started with mail creation
Diffstat (limited to 'internal/feed/mail.go')
-rw-r--r--internal/feed/mail.go85
1 files changed, 85 insertions, 0 deletions
diff --git a/internal/feed/mail.go b/internal/feed/mail.go
new file mode 100644
index 0000000..d166e09
--- /dev/null
+++ b/internal/feed/mail.go
@@ -0,0 +1,85 @@
+package feed
+
+import (
+ "bytes"
+ "io"
+ "time"
+
+ "github.com/emersion/go-message/mail"
+
+ "github.com/Necoro/feed2imap-go/internal/config"
+)
+
+func address(name, address string) []*mail.Address {
+ return []*mail.Address{{name, address}}
+}
+
+func fromAdress(feed Feed, item feeditem, cfg config.Config) []*mail.Address {
+ switch {
+ case item.Item.Author != nil && item.Item.Author.Email != "":
+ return address(item.Item.Author.Name, item.Item.Author.Email)
+ case item.Item.Author != nil && item.Item.Author.Name != "":
+ return address(item.Item.Author.Name, cfg.DefaultEmail)
+ case item.Feed.Author != nil && item.Feed.Author.Email != "":
+ return address(item.Feed.Author.Name, item.Feed.Author.Email)
+ case item.Feed.Author != nil && item.Feed.Author.Name != "":
+ return address(item.Feed.Author.Name, cfg.DefaultEmail)
+ default:
+ return address(feed.Name, cfg.DefaultEmail)
+ }
+}
+
+func asMail(feed Feed, item feeditem, cfg config.Config) (string, error) {
+ var b bytes.Buffer
+
+ var h mail.Header
+ h.SetAddressList("From", fromAdress(feed, item, cfg))
+ h.SetAddressList("To", address(feed.Name, cfg.DefaultEmail))
+
+ { // date
+ date := item.Item.PublishedParsed
+ if date == nil {
+ now := time.Now()
+ date = &now
+ }
+ h.SetDate(*date)
+ }
+ { // subject
+ subject := item.Item.Title
+ if subject == "" {
+ subject = item.Item.Published
+ }
+ if subject == "" {
+ subject = item.Item.Link
+ }
+ h.SetSubject(subject)
+ }
+
+ mw, err := mail.CreateWriter(&b, h)
+ if err != nil {
+ return "", err
+ }
+
+ if cfg.WithPartText() {
+ tw, err := mw.CreateInline()
+ if err != nil {
+ return "", err
+ }
+
+ var th mail.InlineHeader
+ th.SetContentType("text/plain", map[string]string{"charset": "utf-8", "format": "flowed"})
+
+ w, err := tw.CreatePart(th)
+ if err != nil {
+ return "", err
+ }
+ _, _ = io.WriteString(w, "Who are you?")
+
+ _ = w.Close()
+ _ = tw.Close()
+ }
+
+ _ = mw.Close()
+
+ return b.String(), nil
+}