Clean up status output

TODO.md

@@ -21,14 +21,14 @@
 
 ## Code quality
 
-- [ ] Trim the `summary` struct to the fields actually used; `interface{}` should be `any`
-- [ ] Print the overall status (`Status.Description`)
-- [ ] Replace the if/else chain with a `switch` (staticcheck QF1003) covering
+- [x] Trim the `summary` struct to the fields actually used; `interface{}` should be `any`
+- [x] Print the overall status (`Status.Description`)
+- [x] Replace the if/else chain with a `switch` (staticcheck QF1003) covering
       `operational`, `degraded_performance`, `partial_outage`, `major_outage`,
       `under_maintenance`
-- [ ] Filter the "Visit www.githubstatus.com for more information" filler row
+- [x] Filter the "Visit www.githubstatus.com for more information" filler row
 - [x] Use `json.NewDecoder(resp.Body).Decode` instead of `io.ReadAll` + `Unmarshal`
-- [ ] Use the readable URL `https://www.githubstatus.com/api/v2/summary.json`
+- [x] Use the readable URL `https://www.githubstatus.com/api/v2/summary.json`
 - [x] Add a package comment (revive)
 - [ ] Exit non-zero when any component isn't operational
 

github_status.go

@@ -17,35 +17,16 @@ import (
 
 type summary struct {
 	Components []struct {
-		CreatedAt          string      `json:"created_at"`
-		Description        string      `json:"description"`
-		Group              bool        `json:"group"`
-		GroupID            interface{} `json:"group_id"`
-		ID                 string      `json:"id"`
-		Name               string      `json:"name"`
-		OnlyShowIfDegraded bool        `json:"only_show_if_degraded"`
-		PageID             string      `json:"page_id"`
-		Position           int64       `json:"position"`
-		Showcase           bool        `json:"showcase"`
-		Status             string      `json:"status"`
-		UpdatedAt          string      `json:"updated_at"`
+		Name     string `json:"name"`
+		Status   string `json:"status"`
+		Showcase bool   `json:"showcase"`
 	} `json:"components"`
-	Incidents []interface{} `json:"incidents"`
-	Page      struct {
-		ID        string `json:"id"`
-		Name      string `json:"name"`
-		TimeZone  string `json:"time_zone"`
-		UpdatedAt string `json:"updated_at"`
-		URL       string `json:"url"`
-	} `json:"page"`
-	ScheduledMaintenances []interface{} `json:"scheduled_maintenances"`
-	Status                struct {
+	Status struct {
 		Description string `json:"description"`
-		Indicator   string `json:"indicator"`
 	} `json:"status"`
 }
 
-const summaryURL = "https://kctbh9vrtdwd.statuspage.io/api/v2/summary.json"
+const summaryURL = "https://www.githubstatus.com/api/v2/summary.json"
 
 func main() {
 	s, err := fetch(summaryURL)
@@ -74,25 +55,43 @@ func fetch(url string) (summary, error) {
 	return s, nil
 }
 
-// render writes one line per component to w, with the status colorized.
+// render writes the overall status followed by one line per component to w,
+// with each component status colorized. Components not shown on the status
+// page (showcase false) are skipped.
 func render(w io.Writer, s summary) error {
+	if _, err := fmt.Fprintf(w, "%s\n\n", s.Status.Description); err != nil {
+		return err
+	}
 	for _, component := range s.Components {
-		c := color.New(color.FgYellow)
-		if component.Status == "operational" {
-			c = color.New(color.FgGreen)
-		} else if component.Status == "major_outage" {
-			c = color.New(color.FgRed)
+		if !component.Showcase {
+			continue
 		}
 		if _, err := fmt.Fprintf(w, "%-60s", component.Name); err != nil {
 			return err
 		}
-		if _, err := c.Fprintln(w, component.Status); err != nil {
+		if _, err := statusColor(component.Status).Fprintln(w, component.Status); err != nil {
 			return err
 		}
 	}
 	return nil
 }
 
+// statusColor returns the color used to display a component status.
+func statusColor(status string) *color.Color {
+	switch status {
+	case "operational":
+		return color.New(color.FgGreen)
+	case "degraded_performance", "partial_outage":
+		return color.New(color.FgYellow)
+	case "major_outage":
+		return color.New(color.FgRed)
+	case "under_maintenance":
+		return color.New(color.FgBlue)
+	default:
+		return color.New(color.FgYellow)
+	}
+}
+
 func checkErr(err error) {
 	if err != nil {
 		fmt.Fprintln(os.Stderr, "error:", err)

github_status_test.go

@@ -37,8 +37,8 @@ func TestFetch(t *testing.T) {
 	if err != nil {
 		t.Fatalf("fetch: %v", err)
 	}
-	if got := len(s.Components); got != 3 {
-		t.Fatalf("got %d components, want 3", got)
+	if got := len(s.Components); got != 4 {
+		t.Fatalf("got %d components, want 4", got)
 	}
 	if got := s.Status.Description; got != "Partial System Outage" {
 		t.Errorf("status description = %q", got)
@@ -90,11 +90,30 @@ func TestRender(t *testing.T) {
 		t.Fatal(err)
 	}
 
-	want := fmt.Sprintf("%-60s%s\n%-60s%s\n%-60s%s\n",
+	want := fmt.Sprintf("Partial System Outage\n\n%-60s%s\n%-60s%s\n%-60s%s\n",
 		"Git Operations", "operational",
 		"Actions", "major_outage",
 		"Pages", "degraded_performance")
 	if got := buf.String(); got != want {
 		t.Errorf("render output mismatch\ngot:\n%s\nwant:\n%s", got, want)
 	}
 }
+
+func TestStatusColor(t *testing.T) {
+	tests := []struct {
+		status string
+		want   color.Attribute
+	}{
+		{"operational", color.FgGreen},
+		{"degraded_performance", color.FgYellow},
+		{"partial_outage", color.FgYellow},
+		{"major_outage", color.FgRed},
+		{"under_maintenance", color.FgBlue},
+		{"something_new", color.FgYellow},
+	}
+	for _, tt := range tests {
+		if !statusColor(tt.status).Equals(color.New(tt.want)) {
+			t.Errorf("statusColor(%q) is not %v", tt.status, tt.want)
+		}
+	}
+}

testdata/summary.json

@@ -7,9 +7,10 @@
     "updated_at": "2026-11-14T12:00:00.000Z"
   },
   "components": [
-    {"id": "1", "name": "Git Operations", "status": "operational", "group": false, "position": 1},
-    {"id": "2", "name": "Actions", "status": "major_outage", "group": false, "position": 2},
-    {"id": "3", "name": "Pages", "status": "degraded_performance", "group": false, "position": 3}
+    {"id": "1", "name": "Git Operations", "status": "operational", "showcase": true, "group": false, "position": 1},
+    {"id": "2", "name": "Actions", "status": "major_outage", "showcase": true, "group": false, "position": 2},
+    {"id": "3", "name": "Visit www.githubstatus.com for more information", "status": "operational", "showcase": false, "group": false, "position": 3},
+    {"id": "4", "name": "Pages", "status": "degraded_performance", "showcase": true, "group": false, "position": 4}
   ],
   "incidents": [],
   "scheduled_maintenances": [],