Added HTMX paging example.

routes/home.go

@@ -1,22 +1,46 @@
 package routes
 
 import (
+	"fmt"
+
 	"goweb/controller"
 
 	"github.com/labstack/echo/v4"
 )
 
-type Home struct {
-	controller.Controller
+type (
+	Home struct {
+		controller.Controller
+	}
+
+	Post struct {
+		Title string
+		Body  string
+	}
+)
+
+func (c *Home) Get(ctx echo.Context) error {
+	page := controller.NewPage(ctx)
+	page.Layout = "main"
+	page.Name = "home"
+	page.Metatags.Description = "Welcome to the homepage."
+	page.Metatags.Keywords = []string{"Go", "MVC", "Web", "Software"}
+	page.Pager = controller.NewPager(ctx, 4)
+	page.Data = c.fetchPosts(&page.Pager)
+
+	return c.RenderPage(ctx, page)
 }
 
-func (h *Home) Get(c echo.Context) error {
-	p := controller.NewPage(c)
-	p.Layout = "main"
-	p.Name = "home"
-	p.Data = "Hello world"
-	p.Metatags.Description = "Welcome to the homepage."
-	p.Metatags.Keywords = []string{"Go", "MVC", "Web", "Software"}
+// fetchPosts is an mock example of fetching posts to illustrate how paging works
+func (c *Home) fetchPosts(pager *controller.Pager) []Post {
+	pager.SetItems(20)
+	posts := make([]Post, 20)
 
-	return h.RenderPage(c, p)
+	for k := range posts {
+		posts[k] = Post{
+			Title: fmt.Sprintf("Post example #%d", k+1),
+			Body:  fmt.Sprintf("Lorem ipsum example #%d ddolor sit amet, consectetur adipiscing elit. Nam elementum vulputate tristique.", k+1),
+		}
+	}
+	return posts[pager.GetOffset() : pager.GetOffset()+pager.ItemsPerPage]
 }