everywhere: add email notifications

api/email_get.go

@@ -0,0 +1,20 @@
+package main
+
+import ()
+
+func emailGet(em string) (email, error) {
+	statement := `
+		SELECT email, unsubscribeSecretHex, lastEmailNotificationDate, pendingEmails, sendReplyNotifications, sendModeratorNotifications
+		FROM emails
+		WHERE email = $1;
+	`
+	row := db.QueryRow(statement, em)
+
+	e := email{}
+	if err := row.Scan(&e.Email, &e.UnsubscribeSecretHex, &e.LastEmailNotificationDate, &e.PendingEmails, &e.SendReplyNotifications, &e.SendModeratorNotifications); err != nil {
+		// TODO: is this the only error?
+		return e, errorNoSuchEmail
+	}
+
+	return e, nil
+}