From af82259df59b96fa043bbde4bb190278ee560347 Mon Sep 17 00:00:00 2001
From: Kaustubh Nair <kaustubh.nair@iiitb.org>
Date: Fri, 16 Nov 2018 00:17:08 +0530
Subject: [PATCH] Show grid of notes with thumbnails (#3970)

* add nodeshared module for thumbnails

* add title to notes thumbnail

* change grid to table

* remove unnecessary file
---
 app/helpers/application_helper.rb   |  1 +
 app/models/concerns/node_shared.rb  | 38 ++++++++++++++++++++++++++
 app/views/grids/_thumbnail.html.erb | 41 +++++++++++++++++++++++++++++
 3 files changed, 80 insertions(+)
 create mode 100644 app/views/grids/_thumbnail.html.erb

diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index f01e29a8ba..a4f92a1e21 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -79,6 +79,7 @@ def locale_name_pairs
   end
 
   def insert_extras(body)
+    body = NodeShared.notes_thumbnail_grid(body)
     body = NodeShared.notes_grid(body)
     body = NodeShared.questions_grid(body)
     body = NodeShared.activities_grid(body)
diff --git a/app/models/concerns/node_shared.rb b/app/models/concerns/node_shared.rb
index 5573def2c4..c293895d9b 100644
--- a/app/models/concerns/node_shared.rb
+++ b/app/models/concerns/node_shared.rb
@@ -9,6 +9,44 @@ def liked_by(uid)
     likers.collect(&:uid).include?(uid)
   end
 
+  def self.notes_thumbnail_grid(body, _page = 1)
+    body.gsub(/(?<![\>`])(\<p\>)?\[notes\:grid\:(\S+)\]/) do |_tagname|
+      tagname = Regexp.last_match(2)
+      exclude = nil
+      if tagname.include?('!')
+        exclude = tagname.split('!') - [tagname.split('!').first]
+        tagname = tagname.split('!').first
+      end
+
+      nodes = Node.where(status: 1, type: 'note')
+                  .includes(:revision, :tag)
+                  .references(:term_data, :node_revisions)
+                  .where('term_data.name = ?', tagname)
+                  .order('node_revisions.timestamp DESC')
+
+      if exclude.present?
+        exclude = Node.where(status: 1, type: 'note')
+                  .includes(:revision, :tag)
+                  .references(:node_revisions, :term_data)
+                  .where('term_data.name IN (?)', exclude)
+        nodes -= exclude
+      end
+      output = ''
+      output += '<p>' if Regexp.last_match(1) == '<p>'
+      a = ActionController::Base.new
+      output += a.render_to_string(template: "grids/_thumbnail",
+                                   layout:   false,
+                                   locals:   {
+                                     tagname: tagname,
+                                     randomSeed: rand(1000).to_s,
+                                     className: 'notes-grid-thumbnail' + tagname.parameterize,
+                                     nodes: nodes,
+                                     type: "notes"
+                                   })
+      output
+    end
+  end
+
   # rubular regex: http://rubular.com/r/hBEThNL4qd
   def self.graph_grid(body, _page = 1)
     body.gsub(/(?<![\>`])(\<p\>)?\[graph\:(\S+)\]/) do |_tagname|
diff --git a/app/views/grids/_thumbnail.html.erb b/app/views/grids/_thumbnail.html.erb
new file mode 100644
index 0000000000..ff0985205e
--- /dev/null
+++ b/app/views/grids/_thumbnail.html.erb
@@ -0,0 +1,41 @@
+  <table class="table table-responsive">
+    <% nodes.each_with_index do |node, index| %>
+
+        <% if index % 3 == 0  %>
+            <tr> 
+          <% end %>
+          <td>
+            <a class="img" href="<%= node.path %>">
+              <% if node.main_image %>
+                <img style="width:100%;" alt="image" class="img-fluid" src="<%= node.main_image.path(:default)  %>">
+              <% end %>
+            </a>
+            <h3 style="padding: 0px; margin: 10px;"><a href="<%=node.path%>" style="padding-top: 0px"><%=node.title%></a></h3>
+            <p class="meta"><small>
+              <% if node.type == 'note' %>
+                by <a href="/profile/<%= node.author.name %>"><%= node.author.name %></a> <%= node.author.new_author_contributor %>
+              <%= distance_of_time_in_words(node.created_at, Time.current, { include_seconds: false, scope:'datetime.time_ago_in_words' }) %>
+              | <a href="<%= node.path %>#comments"><i style="color:#888;" class="fa fa-comment-o"></i> <%= node.comment_count %></a>
+            <% else %>
+              <%= t('notes._notes.last_edit_by') %> <a href="/profile/<%= node.latest.author.name %>"><%= node.latest.author.name %></a>
+              <%= distance_of_time_in_words(Time.at(node.latest.timestamp), Time.current, { include_seconds: false, scope: 'datetime.time_ago_in_words' }) %>
+            <% end %>
+            | <i class="fa fa-eye"></i> <%= number_with_delimiter(node.totalviews) %> <span class="hidden-xs hidden-sm"><%= t('notes._notes.views') %></span>
+            | <i style="<% if node.likes > 0 %>color:#db4;<% else %>color:#888;<% end %>" class="fa fa-star-o"></i> <%= node.likes %>
+          </small></p>
+
+          </td>
+          <% if index % 3 == 2  %>
+            </tr>
+          <%end %>
+
+      <% end %>
+</table>
+
+<style>
+.table thead tr th, .table tbody tr td {
+    border: none;
+}
+
+
+</style>