From 7f1e563feb8efd97a54d943cb4ec4d58a454d7e8 Mon Sep 17 00:00:00 2001
From: Paul Duncan <pabs@pablotron.org>
Date: Fri, 15 Jul 2016 18:48:01 -0400
Subject: add blog id paging and point index at blog

---
 src/guff.cr | 40 +++++++++++++++++++++++++++++++---------
 1 file changed, 31 insertions(+), 9 deletions(-)

(limited to 'src/guff.cr')

diff --git a/src/guff.cr b/src/guff.cr
index 8ea29fa..87e58ad 100644
--- a/src/guff.cr
+++ b/src/guff.cr
@@ -858,6 +858,8 @@ module Guff
              -- TODO: handle posted_at and expired_at
 
            ORDER BY COALESCE(b.posted_at, b.created_at) DESC
+
+           LIMIT ? OFFSET ?
         ",
 
         add: "
@@ -896,14 +898,18 @@ module Guff
         (ids.size > 0) ? ids.first : nil
       end
 
+      # TODO: make this configurable
+      LIMIT = 50
+
       def get_ids(
         site_id : Int64,
         year    : Int32?  = nil,
         month   : Int32?  = nil,
         day     : Int32?  = nil,
-        slug    : String? = nil
+        slug    : String? = nil,
+        page    : Int32?  = nil
       ) : Array(Int64)
-        sql = [] of String
+        sql = ["1"]
         args = [site_id.to_s]
 
         # STDERR.puts "DEBUG: site_id = #{site_id}, year = #{year}, month = #{month}, day = #{day}, slug = \"#{slug}\""
@@ -932,6 +938,12 @@ module Guff
           args << slug
         end
 
+        page ||= 1
+        raise "invalid page: #{page}" if page < 1
+
+        args << LIMIT.to_s
+        args << ((page - 1) * LIMIT).to_s
+
         # STDERR.puts "DEBUG: args = #{args.to_json}"
 
         # exec query, build result
@@ -2109,6 +2121,10 @@ module Guff
     class LogoutPageView < HTMLView
       ECR.def_to_s("src/views/logout-page.ecr")
     end
+
+    class BlogListView < HTMLView
+      ECR.def_to_s("src/views/blog-list.ecr")
+    end
   end
 
   module Handlers
@@ -2522,6 +2538,7 @@ module Guff
 
     class BlogPostHandler < Handler
       PATH_RE = %r{^
+        (/blog)?
         /(?<year>\d{4})
         /(?<month>\d{2})
         /(?<day>\d{2})
@@ -2564,11 +2581,15 @@ module Guff
     end
 
     class BlogListHandler < Handler
-      PATH_RE = %r{^
-        /(?<year>\d{4})/
+      # TODO: make index page configurable
+      PATH_RE = %r{^/
+        (blog/?)?
         (
-          (?<month>\d{2})/
-          ((?<day>\d{2})/)?
+          (?<year>\d{4})/
+          (
+            (?<month>\d{2})/
+            ((?<day>\d{2})/)?
+          )?
         )?
       $}x
 
@@ -2593,9 +2614,10 @@ module Guff
             if site_id = get_site_id(request.headers["host"]?)
               r = @context.models.blog.get_ids(
                 site_id:  site_id,
-                year:     md["year"].to_i,
+                year:     md["year"]? ? md["year"].to_i : nil,
                 month:    md["month"]? ? md["month"].to_i : nil,
                 day:      md["day"]? ? md["day"].to_i : nil,
+                page:     md["page"]? ? md["page"].to_i : nil,
               )
             end
           end
@@ -2685,12 +2707,12 @@ module Guff
         LogoutPageHandler.new(context)
       when :page
         PageHandler.new(context)
-      when :project
-        ProjectHandler.new(context)
       when :blog_post
         BlogPostHandler.new(context)
       when :blog_list
         BlogListHandler.new(context)
+      when :project
+        ProjectHandler.new(context)
       else
         raise "unknown handler id: #{handler_id}"
       end
-- 
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