From 524bf96761886c8750d77b2bb1fc5de1db1670f6 Mon Sep 17 00:00:00 2001
From: Jason Streifling <jason@streifling.com>
Date: Tue, 5 Mar 2024 17:49:07 +0100
Subject: [PATCH] Added pointer checks to check() functions

---
 rss.go | 41 ++++++++++++++++++++++++++++++++---------
 1 file changed, 32 insertions(+), 9 deletions(-)

diff --git a/rss.go b/rss.go
index 82966d1..11bbf9e 100644
--- a/rss.go
+++ b/rss.go
@@ -142,16 +142,35 @@ func (s *Source) check() error {
 	return nil
 }
 
+func (c *Content) check() error {
+	if len(c.Value) == 0 {
+		return fmt.Errorf("error: value not set")
+	}
+
+	return nil
+}
+
 func (i *Item) check() error {
 	if len(i.Title) == 0 && len(i.Description) == 0 {
 		return fmt.Errorf("error: neither title nor description set")
 	}
 
-	if err := i.Enclosure.check(); err != nil {
-		return fmt.Errorf("error checking enclosure: %v", err)
+	if i.Enclosure != nil {
+		if err := i.Enclosure.check(); err != nil {
+			return fmt.Errorf("error checking enclosure: %v", err)
+		}
 	}
-	if err := i.Source.check(); err != nil {
-		return fmt.Errorf("error checking source: %v", err)
+
+	if i.Source != nil {
+		if err := i.Source.check(); err != nil {
+			return fmt.Errorf("error checking source: %v", err)
+		}
+	}
+
+	if i.Content != nil {
+		if err := i.Content.check(); err != nil {
+			return fmt.Errorf("error checking content: %v", err)
+		}
 	}
 
 	return nil
@@ -168,11 +187,16 @@ func (c *Channel) check() error {
 		return fmt.Errorf("error: description not set")
 	}
 
-	if err := c.Image.check(); err != nil {
-		return fmt.Errorf("error checking image: %v", err)
+	if c.Image != nil {
+		if err := c.Image.check(); err != nil {
+			return fmt.Errorf("error checking image: %v", err)
+		}
 	}
-	if err := c.TextInput.check(); err != nil {
-		return fmt.Errorf("error checking textInput: %v", err)
+
+	if c.TextInput != nil {
+		if err := c.TextInput.check(); err != nil {
+			return fmt.Errorf("error checking textInput: %v", err)
+		}
 	}
 
 	for _, item := range c.Items {
@@ -188,7 +212,6 @@ func (f *Feed) check() error {
 	if f.Channels == nil {
 		return fmt.Errorf("error: feed has no channels")
 	}
-
 	for _, channel := range f.Channels {
 		if err := channel.check(); err != nil {
 			return fmt.Errorf("error checking channel: %v", err)