From cdf66dcea63fd9d0aeabc17653b088cf6a704caa Mon Sep 17 00:00:00 2001
From: Andrew Brown <drusepth@gmail.com>
Date: Fri, 15 Feb 2019 18:07:33 -0600
Subject: [PATCH] page tags hooked up on content page forms

---
 app/controllers/content_controller.rb         | 41 ++++++++++++++++++-
 app/models/content_types/building.rb          |  2 +-
 app/services/page_tag_service.rb              |  5 +++
 .../content/display/_category_panel.html.erb  | 15 +++++++
 app/views/content/form/_panel.html.erb        | 18 ++++----
 config/routes.rb                              |  2 +
 6 files changed, 70 insertions(+), 13 deletions(-)
 create mode 100644 app/services/page_tag_service.rb

diff --git a/app/controllers/content_controller.rb b/app/controllers/content_controller.rb
index cf7d9946..fff4273e 100644
--- a/app/controllers/content_controller.rb
+++ b/app/controllers/content_controller.rb
@@ -36,7 +36,19 @@ class ContentController < ApplicationController
       end
     end
 
-    @content = @content.to_a.flatten.uniq.sort_by(&:name)
+    @content = @content.to_a.flatten.uniq
+
+    # Filters
+    if params.key?(:slug)
+      page_tags = PageTag.where(
+        slug:      params[:slug],
+        page_type: @content_type_class.name,
+        page_id:   @content.pluck(:id)
+      )
+      @content.select! { |content| page_tags.pluck(:page_id).include?(content.id) }
+    end
+
+    @content = @content.sort_by(&:name)
 
     respond_to do |format|
       format.html { render 'content/index' }
@@ -336,7 +348,23 @@ class ContentController < ApplicationController
   private
 
   def update_page_tags
-    raise params.inspect
+    tag_list = page_tag_params.fetch(:page_tags, "").split(',,,|||,,,')
+    current_tags = @content.page_tags.pluck(:tag)
+
+    tags_to_add    = tag_list - current_tags
+    tags_to_remove = current_tags - tag_list
+
+    tags_to_add.each do |tag|
+      @content.page_tags.find_or_create_by(
+        tag:  tag,
+        slug: PageTagService.slug_for(tag),
+        user: @content.user
+      )
+    end
+
+    tags_to_remove.each do |tag|
+      @content.page_tags.find_by(tag: tag).destroy
+    end
   end
 
   def render_json(content)
@@ -409,6 +437,15 @@ class ContentController < ApplicationController
     params.require(content_class).permit(content_param_list + [:deleted_at])
   end
 
+  def page_tag_params
+    content_class = content_type_from_controller(self.class)
+      .name
+      .downcase
+      .to_sym
+
+    params.require(content_class).permit(:page_tags)
+  end
+
   def content_deletion_redirect_url
     send("#{@content.class.name.underscore.pluralize}_path")
   end
diff --git a/app/models/content_types/building.rb b/app/models/content_types/building.rb
index f4087939..2d772103 100644
--- a/app/models/content_types/building.rb
+++ b/app/models/content_types/building.rb
@@ -8,7 +8,7 @@ class Building < ActiveRecord::Base
 
   include BelongsToUniverse
   include IsContentPage
-  
+
   include Serendipitous::Concern
 
   include Authority::Abilities
diff --git a/app/services/page_tag_service.rb b/app/services/page_tag_service.rb
new file mode 100644
index 00000000..89f30053
--- /dev/null
+++ b/app/services/page_tag_service.rb
@@ -0,0 +1,5 @@
+class PageTagService < Service
+  def self.slug_for(text)
+    text.downcase.gsub(/[^0-9a-z ]/i, '').gsub(/ /, '-')
+  end
+end
diff --git a/app/views/content/display/_category_panel.html.erb b/app/views/content/display/_category_panel.html.erb
index 803697fc..0780d4c1 100644
--- a/app/views/content/display/_category_panel.html.erb
+++ b/app/views/content/display/_category_panel.html.erb
@@ -28,6 +28,9 @@
             nil
           end
 
+        when 'tags'
+          content.page_tags
+
         else
           raise "unknown field type = " + serialized_field[:type].inspect
       end
@@ -61,6 +64,18 @@
           <% end %>
         </div>
 
+      <% elsif serialized_field[:type] == 'tags' %>
+        <% value.each do |tag| %>
+          <%=
+            link_to send(
+              "page_tag_#{content.raw_model.class.name.downcase.pluralize}_path",
+              slug: PageTagService.slug_for(tag)
+            ) do
+          %>
+            <span class="new badge red left" data-badge-caption="<%= tag %>"></span>
+          <% end %>
+        <% end %>
+
       <% else # serialized_field[:type] == text %>
         <div class="col s9 m9 l9 markdownable">
           <%=
diff --git a/app/views/content/form/_panel.html.erb b/app/views/content/form/_panel.html.erb
index dec04b9d..03152c41 100644
--- a/app/views/content/form/_panel.html.erb
+++ b/app/views/content/form/_panel.html.erb
@@ -56,20 +56,18 @@
             secondaryPlaceholder: '+ Tag',
             autocompleteOptions: {
               data: {
-                'Apple': null,
-                'Microsoft': null,
-                'Google': null
+                <% @content.page_tags.pluck(:tag).each do |tag| %>
+                  '<%= tag %>': null,
+                <% end %>
               },
               limit: 100,
               minLength: 1
             },
-            data: [{
-              tag: 'Apple',
-            }, {
-              tag: 'Microsoft',
-            }, {
-              tag: 'Google',
-            }],
+            data: [
+              <% @content.page_tags.pluck(:tag).each do |tag| %>
+                {tag: '<%= tag %>'},
+              <% end %>
+            ],
             onChipAdd: update_hidden_page_tag_value,
             onChipDelete: update_hidden_page_tag_value
           });
diff --git a/config/routes.rb b/config/routes.rb
index c70c4aea..62e7b5c4 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -10,6 +10,7 @@ Rails.application.routes.draw do
     # get :characters, on: :member <...etc...>
     Rails.application.config.content_types[:all].each do |content_type|
       get content_type.name.downcase.pluralize.to_sym, on: :member
+      # todo page tags here
     end
   end
   scope '/my' do
@@ -87,6 +88,7 @@ Rails.application.routes.draw do
       # resources :characters do
       resources content_type.name.downcase.pluralize.to_sym do
         get :changelog, on: :member
+        get '/tagged/:slug', action: :index, on: :collection, as: :page_tag
       end
     end