From 040cbfc93f870fd4242d112757bf1c52ddf7a2a0 Mon Sep 17 00:00:00 2001
From: Paul Duncan <pabs@pablotron.org>
Date: Sat, 30 Jul 2016 00:46:09 -0400
Subject: load and save custom page assets

---
 data/assets/js/admin/dialogs/page-edit.js | 20 +++++++++++--
 data/assets/js/util.js                    | 17 -----------
 src/guff/apis.cr                          | 24 +++++++++++----
 src/guff/models/page.cr                   | 49 +++++++++++++++++++++++++++++--
 4 files changed, 82 insertions(+), 28 deletions(-)

diff --git a/data/assets/js/admin/dialogs/page-edit.js b/data/assets/js/admin/dialogs/page-edit.js
index 95c9a63..9e32d89 100644
--- a/data/assets/js/admin/dialogs/page-edit.js
+++ b/data/assets/js/admin/dialogs/page-edit.js
@@ -1,12 +1,18 @@
 jQuery(function($) {
   "use strict";
 
-  var p = '#page-edit-';
+  var ASSET_TYPES = ['styles', 'scripts'],
+      p = '#page-edit-';
 
   $(p + 'dialog').on('guff.loaded', function(ev) {
     var r = ev.post_data;
 
     $(p + 'theme').val(r.theme_id || 'site-default');
+
+    // set assets
+    $.each(ASSET_TYPES, function(i, key) {
+      $(p + key).val(r[key].join("\n"));
+    });
   });
 
   $(p + 'confirm').click(function() {
@@ -14,13 +20,21 @@ jQuery(function($) {
     if (theme_id == 'site-default')
       theme_id = null;
 
+    // get assets
+    var assets = ASSET_TYPES.reduce(function(r, key) {
+      var s = $(p + key).val().replace(/^\s+|\s$/mg, '');
+      r[key] = JSON.stringify((s.length > 0) ? s.split(/\s+/m) : []);
+
+      return r;
+    }, {});
+
     $(p + 'dialog').trigger({
       type: 'guff.save',
 
-      post_data: {
+      post_data: $.extend({
         have_theme_id: 't',
         theme_id: theme_id,
-      },
+      }, assets),
     });
 
     // stop event
diff --git a/data/assets/js/util.js b/data/assets/js/util.js
index cde0f25..7986120 100644
--- a/data/assets/js/util.js
+++ b/data/assets/js/util.js
@@ -1,20 +1,3 @@
-jQuery.fn.reduce = (function() {
-  "use strict";
-
-  if (Array.prototype.reduce) {
-    return Array.prototype.reduce;
-  } else {
-    return function(a, cb, r) {
-      a = [].concat(a);
-
-      for (var i = 0, l = a.length; i < l; i++)
-        r = cb(r, a[i]);
-
-      return r;
-    };
-  }
-})();
-
 jQuery(function($) {
   "use strict";
 
diff --git a/src/guff/apis.cr b/src/guff/apis.cr
index 5d87af2..8a84c1d 100644
--- a/src/guff/apis.cr
+++ b/src/guff/apis.cr
@@ -40,18 +40,30 @@ module Guff::APIs
 
         have_theme_id:    true,
         theme_id:         (params["theme_id"]? && params["theme_id"].size > 0) ? params["theme_id"].to_i32 : nil,
+
+        styles:           (params["styles"]? && params["styles"] =~ /\S/) ? Array(String).from_json(params["styles"]) : nil,
+        scripts:          (params["scripts"]? && params["scripts"] =~ /\S/) ? Array(String).from_json(params["scripts"]) : nil,
       )
 
       nil
     end
 
     def do_page_get(params : HTTP::Params)
-      @context.models.page.get(
-        post_id: params["post_id"].to_i64
-      ).reduce({} of String => String) do |r, kv|
-        r[kv[0]] = kv[1].to_s
-        r
-      end
+      # cache post_id, get assets
+      post_id = params["post_id"].to_i64
+      assets = @context.models.page.assets(post_id)
+
+      ({
+        "styles"  => assets.styles,
+        "scripts" => assets.scripts,
+      } of String => Array(String)).merge(
+        @context.models.page.get(
+          post_id: post_id
+        ).reduce({} of String => String) do |r, kv|
+          r[kv[0]] = kv[1].to_s
+          r
+        end
+      )
     end
   end
 
diff --git a/src/guff/models/page.cr b/src/guff/models/page.cr
index b7043a4..d01af01 100644
--- a/src/guff/models/page.cr
+++ b/src/guff/models/page.cr
@@ -117,6 +117,21 @@ class Guff::Models::PageModel < Guff::Models::Model
 
        ORDER BY b.name, a.sort_order
     ",
+
+    set_assets_clear: "
+      DELETE FROM page_assets
+            WHERE post_id = ?
+              AND type_id = (SELECT type_id FROM asset_types WHERE name = ?)
+    ",
+
+    set_assets_add: "
+      INSERT INTO page_assets (
+        post_id,
+        type_id,
+        path,
+        sort_order
+      ) VALUES (?, (SELECT type_id FROM asset_types WHERE name = ?), ?, ?)
+    ",
   }
 
   LIMIT = 50
@@ -191,10 +206,16 @@ class Guff::Models::PageModel < Guff::Models::Model
 
     have_theme_id   : Bool    = false,
     theme_id        : Int32?  = nil,
+
+    styles          : Array(String)? = nil,
+    scripts         : Array(String)? = nil,
   )
     db = @context.dbs.rw
 
     db.transaction do
+      # cache post_id string
+      id = post_id.to_s
+
       @context.models.post.set(
         post_id:          post_id,
 
@@ -213,9 +234,33 @@ class Guff::Models::PageModel < Guff::Models::Model
 
       if have_theme_id
         if theme_id
-          db.query(SQL[:set], [theme_id.to_s, post_id.to_s])
+          db.query(SQL[:set], [theme_id.to_s, id])
         else
-          db.query(SQL[:set_default], [post_id.to_s])
+          db.query(SQL[:set_default], [id])
+        end
+      end
+
+      set_assets(id, "style", styles)
+      set_assets(id, "script", scripts)
+    end
+  end
+
+  private def set_assets(
+    post_id : String,
+    type    : String,
+    paths   : Array(String)?,
+  )
+    if paths
+      # cache db handle
+      db = @context.dbs.rw
+
+      db.transaction do
+        # clear existing assets
+        db.query(SQL[:set_assets_clear], [post_id, type])
+
+        # add new assets
+        paths.not_nil!.each_with_index do |path, i|
+          db.query(SQL[:set_assets_add], [post_id, type, path, i.to_s])
         end
       end
     end
-- 
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