fix(discussion list): replace state with closed in domain types

Signed-off-by: Babak K. Shandiz <babakks@github.com>

pkg/cmd/discussion/client/client_impl.go

@@ -67,17 +67,12 @@ type discussionNode struct {
 
 // mapDiscussion converts a GraphQL discussionNode response into the domain Discussion type.
 func mapDiscussion(n discussionNode) Discussion {
-	state := "OPEN"
-	if n.Closed {
-		state = "CLOSED"
-	}
-
 	d := Discussion{
 		ID:          n.ID,
 		Number:      n.Number,
 		Title:       n.Title,
 		URL:         n.URL,
-		State:       state,
+		Closed:      n.Closed,
 		StateReason: n.StateReason,
 		Author:      DiscussionAuthor{Login: n.Author.Login},
 		Category: DiscussionCategory{

pkg/cmd/discussion/client/types.go

@@ -10,7 +10,7 @@ type Discussion struct {
 	Title          string
 	Body           string
 	URL            string
-	State          string
+	Closed         bool
 	StateReason    string
 	Author         DiscussionAuthor
 	Category       DiscussionCategory
@@ -43,8 +43,8 @@ func (d Discussion) ExportData(fields []string) map[string]interface{} {
 			data[f] = d.Body
 		case "url":
 			data[f] = d.URL
-		case "state":
-			data[f] = d.State
+		case "closed":
+			data[f] = d.Closed
 		case "stateReason":
 			data[f] = d.StateReason
 		case "author":

pkg/cmd/discussion/list/list.go

@@ -20,13 +20,16 @@ import (
 
 const defaultLimit = 30
 
+// discussionListFields lists the field names available for --json output
+// on the discussion list command. This excludes fields like "comments"
+// that are only populated by the view command.
 var discussionListFields = []string{
 	"id",
 	"number",
 	"title",
 	"body",
 	"url",
-	"state",
+	"closed",
 	"stateReason",
 	"author",
 	"category",
@@ -306,13 +309,17 @@ func printDiscussions(opts *ListOptions, discussions []client.Discussion, totalC
 	for _, d := range discussions {
 		if isTerminal {
 			idColor := cs.Green
-			if strings.EqualFold(d.State, "CLOSED") {
+			if d.Closed {
 				idColor = cs.Gray
 			}
 			tp.AddField(fmt.Sprintf("#%d", d.Number), tableprinter.WithColor(idColor))
 		} else {
 			tp.AddField(fmt.Sprintf("%d", d.Number))
-			tp.AddField(d.State)
+			if d.Closed {
+				tp.AddField("CLOSED")
+			} else {
+				tp.AddField("OPEN")
+			}
 		}
 
 		tp.AddField(text.RemoveExcessiveWhitespace(d.Title))

pkg/cmd/discussion/list/list_test.go

@@ -24,7 +24,6 @@ func sampleDiscussions() []client.Discussion {
 			Number: 42,
 			Title:  "Bug report discussion",
 			URL:    "https://github.com/OWNER/REPO/discussions/42",
-			State:  "OPEN",
 			Author: client.DiscussionAuthor{Login: "monalisa"},
 			Category: client.DiscussionCategory{
 				ID:   "CAT1",
@@ -41,7 +40,6 @@ func sampleDiscussions() []client.Discussion {
 			Number: 41,
 			Title:  "Feature request",
 			URL:    "https://github.com/OWNER/REPO/discussions/41",
-			State:  "OPEN",
 			Author: client.DiscussionAuthor{Login: "octocat"},
 			Category: client.DiscussionCategory{
 				ID:   "CAT2",
@@ -576,7 +574,7 @@ func TestListRun_closedState(t *testing.T) {
 		{
 			Number:    10,
 			Title:     "Old discussion",
-			State:     "CLOSED",
+			Closed:    true,
 			Category:  client.DiscussionCategory{Name: "General"},
 			Labels:    []client.DiscussionLabel{},
 			UpdatedAt: time.Date(2025, 1, 1, 0, 0, 0, 0, time.UTC),

pkg/cmd/discussion/shared/fields.go

@@ -8,7 +8,7 @@ var DiscussionFields = []string{
 	"title",
 	"body",
 	"url",
-	"state",
+	"closed",
 	"stateReason",
 	"author",
 	"category",