From e24dd6d630cf558c616c1252bacfff6d343b4194 Mon Sep 17 00:00:00 2001
From: Brian Picciano <mediocregopher@gmail.com>
Date: Sat, 14 May 2022 20:42:43 -0600
Subject: Import posts in dev-shell target

---
 srv/src/api/render.go      | 17 ++++++++++++++---
 srv/src/api/tpl/index.html |  8 ++++++++
 2 files changed, 22 insertions(+), 3 deletions(-)

(limited to 'srv/src/api')

diff --git a/srv/src/api/render.go b/srv/src/api/render.go
index b2ca3c8..6359505 100644
--- a/srv/src/api/render.go
+++ b/srv/src/api/render.go
@@ -59,7 +59,7 @@ func (a *api) renderIndexHandler() http.Handler {
 			return
 		}
 
-		posts, _, err := a.params.PostStore.Get(page, pageCount)
+		posts, hasMore, err := a.params.PostStore.WithOrderDesc().Get(page, pageCount)
 		if err != nil {
 			apiutil.InternalServerError(
 				rw, r, fmt.Errorf("fetching page %d of posts: %w", page, err),
@@ -68,9 +68,20 @@ func (a *api) renderIndexHandler() http.Handler {
 		}
 
 		tplData := struct {
-			Posts []post.StoredPost
+			Posts              []post.StoredPost
+			PrevPage, NextPage int
 		}{
-			Posts: posts,
+			Posts:    posts,
+			PrevPage: -1,
+			NextPage: -1,
+		}
+
+		if page > 0 {
+			tplData.PrevPage = page - 1
+		}
+
+		if hasMore {
+			tplData.NextPage = page + 1
 		}
 
 		if err := tpl.Execute(rw, tplData); err != nil {
diff --git a/srv/src/api/tpl/index.html b/srv/src/api/tpl/index.html
index 240df92..b71dc01 100644
--- a/srv/src/api/tpl/index.html
+++ b/srv/src/api/tpl/index.html
@@ -17,4 +17,12 @@
 </ul>
 {{ end }}
 
+{{ if ge .PrevPage 0 }}
+<a href="?p={{ .PrevPage}}">Previous</a>
+{{ end }}
+
+{{ if ge .NextPage 0 }}
+<a href="?p={{ .NextPage}}">Next</a>
+{{ end }}
+
 {{ template "base.html" . }}
-- 
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