Update examples/gno.land/p/demo/avl/pager/pager.gno

Co-authored-by: Antonio Navarro Perez <antnavper@gmail.com>
gnolang · Oct 5, 2024 · 1c10732 · 1c10732
1 parent 943df0c
commit 1c10732
Showing 1 changed file with 15 additions and 27 deletions.
diff --git a/examples/gno.land/p/demo/avl/pager/pager.gno b/examples/gno.land/p/demo/avl/pager/pager.gno
@@ -54,43 +54,31 @@ func (p *Pager) GetPageWithSize(pageNumber, pageSize int) *Page {
 	totalItems := p.Tree.Size()
 	totalPages := int(math.Ceil(float64(totalItems) / float64(pageSize)))
 
-	if pageSize < 1 {
-		return &Page{
-			Items:      []Item{},
-			PageNumber: 0,
-			PageSize:   0,
+	page := &Page{
 			TotalItems: totalItems,
 			TotalPages: totalPages,
-			HasPrev:    false,
-			HasNext:    false,
+			PageSize: pageSize,
 			Pager:      p,
 		}
+
+	// pages without content
+	if pageSize < 1 {
+		return page
 	}
 
+	// page number provided is not available
 	if pageNumber < 1 {
-		return &Page{
-			Items:      []Item{},
-			PageNumber: 0,
-			PageSize:   pageSize,
-			TotalItems: totalItems,
-			TotalPages: totalPages,
-			HasPrev:    false,
-			HasNext:    pageNumber < totalPages,
-			Pager:      p,
-		}
+		page.HasNext = pageNumber < totalPages 
+
+		return page
 	}
 
+	// page number provided is outside the range of total pages
 	if pageNumber > totalPages {
-		return &Page{
-			Items:      []Item{},
-			PageNumber: pageNumber,
-			PageSize:   pageSize,
-			TotalItems: totalItems,
-			TotalPages: totalPages,
-			HasPrev:    totalPages > 0,
-			HasNext:    false,
-			Pager:      p,
-		}
+		page.PageNumber = pageNumber
+		page.HasPrev = totalPages > 0
+
+		return page
 	}
 
 	startIndex := (pageNumber - 1) * pageSize