Fix admin page list paging (#35)

src/MyWebLog/Handlers/Page.fs

@@ -12,9 +12,14 @@ let all pageNbr : HttpHandler = requireAccess Author >=> fun next ctx -> task {
     return!
         hashForPage "Pages"
         |> withAntiCsrf ctx
-        |> addToHash "pages"     (pages |> List.map (DisplayPage.fromPageMinimal ctx.WebLog))
+        |> addToHash "pages"     (pages
+                                  |> Seq.ofList
+                                  |> Seq.truncate 25
+                                  |> Seq.map (DisplayPage.fromPageMinimal ctx.WebLog)
+                                  |> List.ofSeq)
         |> addToHash "page_nbr"  pageNbr
         |> addToHash "prev_page" (if pageNbr = 2 then "" else $"/page/{pageNbr - 1}")
+        |> addToHash "has_next"  (List.length pages > 25)
         |> addToHash "next_page" $"/page/{pageNbr + 1}"
         |> adminView "page-list" next ctx
 }

src/admin-theme/page-list.liquid

@@ -6,7 +6,7 @@
     {%- assign title_col = "col-12 col-md-5" -%}
     {%- assign link_col  = "col-12 col-md-5" -%}
     {%- assign upd8_col  = "col-12 col-md-2" -%}
-    <form method="post" class="container" hx-target="body">
+    <form method="post" class="container mb-3" hx-target="body">
       <input type="hidden" name="{{ csrf.form_field_name }}" value="{{ csrf.request_token }}">
       <div class="row mwl-table-heading">
         <div class="{{ title_col }}">
@@ -49,7 +49,7 @@
         </div>
       {%- endfor %}
     </form>
-    {% if page_nbr > 1 or page_count == 25 %}
+    {% if page_nbr > 1 or has_next %}
       <div class="d-flex justify-content-evenly mb-3">
         <div>
           {% if page_nbr > 1 %}
@@ -61,7 +61,7 @@
           {% endif %}
         </div>
         <div class="text-right">
-          {% if page_count == 25 %}
+          {% if has_next %}
             <p>
               <a class="btn btn-secondary" href="{{ "admin/pages" | append: next_page | relative_link }}">
                 Next &raquo;

src/admin-theme/post-list.liquid

@@ -3,7 +3,7 @@
   <a href="{{ "admin/post/new/edit" | relative_link }}" class="btn btn-primary btn-sm mb-3">Write a New Post</a>
   {%- assign post_count = model.posts | size -%}
   {%- if post_count > 0 %}
-    <form method="post" class="container" hx-target="body">
+    <form method="post" class="container mb-3" hx-target="body">
       <input type="hidden" name="{{ csrf.form_field_name }}" value="{{ csrf.request_token }}">
       {%- assign date_col   = "col-xs-12 col-md-3 col-lg-2" -%}
       {%- assign title_col  = "col-xs-12 col-md-7 col-lg-6 col-xl-5 col-xxl-4" -%}