From 94529553ac724a11b6821dd1374c98b0f51b4f14 Mon Sep 17 00:00:00 2001
From: Paul Duncan <pabs@pablotron.org>
Date: Tue, 8 Mar 2016 23:22:03 -0500
Subject: initial page rendering

---
 src/guff/handlers/blog.cr    | 44 ++++++++++++++++++++++++++++++++++++++++----
 src/guff/models/post.cr      | 17 ++++++++++++++++-
 src/guff/post.cr             | 10 ++++++++++
 src/guff/results.cr          |  4 ++++
 src/guff/views/ecrs/post.ecr | 17 +++++++++++++++++
 5 files changed, 87 insertions(+), 5 deletions(-)
 create mode 100644 src/guff/views/ecrs/post.ecr

diff --git a/src/guff/handlers/blog.cr b/src/guff/handlers/blog.cr
index c95938c..2394354 100644
--- a/src/guff/handlers/blog.cr
+++ b/src/guff/handlers/blog.cr
@@ -1,4 +1,5 @@
 require "../handler"
+require "../views/html/page"
 
 class Guff::Handlers::BlogHandler < Guff::Handler
   ROUTES = [{
@@ -88,17 +89,52 @@ class Guff::Handlers::BlogHandler < Guff::Handler
     call_next(context) unless ROUTES.reduce(false) do |matched, route|
       unless matched
         if md = (route[:re] as Regex).match(path)
-          # matched route
-          matched = true
-
-          context.response.puts "blog: route = %s, md = %s" % [
+          # log blog route match
+          puts "blog: route = %s, md = %s" % [
             route.to_s,
             md.to_s
           ]
+
+          # search for matching posts
+          posts = @models.post.get_posts(
+            filters:  get_filters(md),
+            tags:     [["foo"]],
+          )
+
+          if posts.size > 0
+            # mark as matched
+            matched = true
+
+            # draw result
+            draw(context, route, posts)
+          end
         end
       end
 
       matched
     end
   end
+
+  FILTERS = {
+    year:   "year",
+    month:  "month",
+    day:    "day",
+    slug:   "slug",
+  }
+
+  private def get_filters(md) : Hash(Symbol, String)
+    FILTERS.reduce({} of Symbol => String) do |r, k, s|
+      r[k] = md[s] if md[s]?
+      r
+    end
+  end
+
+  private def draw(context, route, posts)
+    # create page
+    page = PageHTMLView.new("Posts", posts.rows.map { |post| post.to_s }.join)
+
+    # render page
+    context.response.content_type =  page.content_type
+    context.response.puts page
+  end
 end
diff --git a/src/guff/models/post.cr b/src/guff/models/post.cr
index 580a9b7..3c4212b 100644
--- a/src/guff/models/post.cr
+++ b/src/guff/models/post.cr
@@ -96,6 +96,12 @@ module Guff
         clause:   "a.post_id",
       },
 
+      "slug": {
+        default:  true,
+        sortable: true,
+        clause:   "a.slug",
+      },
+
       "name": {
         default:  true,
         sortable: true,
@@ -103,7 +109,7 @@ module Guff
       },
 
       "body": {
-        default:  false,
+        default:  true,
         sortable: true,
         clause:   "a.body",
       },
@@ -215,6 +221,10 @@ module Guff
       strftime('%s', a.posted_at) + 0 = %d
     )"
 
+    SLUG_FILTER_CLAUSE = "(
+      a.slug = '%s'
+    )"
+
     private def get_filter_clause(
       filters : Hash(Symbol, String)
     ) : String
@@ -236,6 +246,11 @@ module Guff
         # TODO
       end
 
+      # add slug filter
+      if filters.has_key?(:slug)
+        r << SLUG_FILTER_CLAUSE % [@db.quote(filters[:slug])]
+      end
+
       # return result
       r.join(" AND ")
     end
diff --git a/src/guff/post.cr b/src/guff/post.cr
index 735682c..703ed55 100644
--- a/src/guff/post.cr
+++ b/src/guff/post.cr
@@ -1,3 +1,6 @@
+require "html"
+require "ecr/macros"
+
 class Guff::Post
   def initialize(@row : Hash(String, ::SQLite3::Value))
   end
@@ -18,4 +21,11 @@ class Guff::Post
       [] of String
     end
   end
+
+  private def h(s) : String
+    HTML.escape(s)
+  end
+
+  # FIXME: does this belong elsewhere?
+  ECR.def_to_s("./src/guff/views/ecrs/post.ecr")
 end
diff --git a/src/guff/results.cr b/src/guff/results.cr
index 3fdc6e4..61d5ce5 100644
--- a/src/guff/results.cr
+++ b/src/guff/results.cr
@@ -25,5 +25,9 @@ module Guff
         rows: @rows,
       }.to_json
     end
+
+    def size
+      @num_rows
+    end
   end
 end
diff --git a/src/guff/views/ecrs/post.ecr b/src/guff/views/ecrs/post.ecr
new file mode 100644
index 0000000..6a0f079
--- /dev/null
+++ b/src/guff/views/ecrs/post.ecr
@@ -0,0 +1,17 @@
+<div
+  id='p-<%=
+    # id
+    @row["post_id"]
+  %>'
+  class='post'
+>
+  <div class='title'>t: <%=
+    # title
+    @row["name"]
+  %></div>
+
+  <div class='body'>b: <%=
+    # body
+    @row["body"]
+  %>
+</div>
-- 
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