Change Summary from string to []string

pkg/fetch/fetch.go

@@ -261,7 +261,7 @@ func FeedItems(fetcher Fetcher, fetchURL, contentType string, body io.Reader) ([
 			item.Content.HTML = feedItem.ContentHTML
 			item.Content.Text = feedItem.ContentText
 			item.URL = feedItem.URL
-			item.Summary = feedItem.Summary
+			item.Summary = append(item.Summary, feedItem.Summary)
 			item.ID = hex.EncodeToString([]byte(feedItem.ID))
 			item.Published = feedItem.DatePublished
 
@@ -304,7 +304,7 @@ func FeedItems(fetcher Fetcher, fetchURL, contentType string, body io.Reader) ([
 				if len(item.Content.HTML) == 0 {
 					item.Content.HTML = feedItem.Summary
 				} else {
-					item.Summary = feedItem.Summary
+					item.Summary = append(item.Summary, feedItem.Summary)
 				}
 			}
 			item.URL = feedItem.Link

pkg/jf2/simplify.go

@@ -259,7 +259,7 @@ func MapToItem(result map[string]interface{}) microsub.Item {
 
 	if summary, e := result["summary"]; e {
 		if summaryString, ok := summary.(string); ok {
-			item.Summary = summaryString
+			item.Summary = append(item.Summary, summaryString)
 		}
 	}
 

pkg/microsub/protocol.go

@@ -70,7 +70,7 @@ type Item struct {
 	BookmarkOf []string        `json:"bookmark-of,omitempty"`
 	RepostOf   []string        `json:"repost-of,omitempty"`
 	InReplyTo  []string        `json:"in-reply-to,omitempty"`
-	Summary    string          `json:"summary,omitempty"`
+	Summary    []string        `json:"summary,omitempty"`
 	Content    *Content        `json:"content,omitempty"`
 	Latitude   string          `json:"latitude,omitempty"`
 	Longitude  string          `json:"longitude,omitempty"`