From b1ce9803258fb18783b11fcf3af83f4c44ce6707 Mon Sep 17 00:00:00 2001
From: Victor Costa <vfcosta@gmail.com>
Date: Thu, 21 Jan 2016 17:36:12 -0300
Subject: [PATCH] comment_group: export comments

---
 plugins/comment_group/lib/comment_group_plugin.rb                 |  2 +-
 plugins/comment_group/lib/comment_group_plugin/comments_report.rb | 51 +++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 52 insertions(+), 1 deletion(-)
 create mode 100644 plugins/comment_group/lib/comment_group_plugin/comments_report.rb

diff --git a/plugins/comment_group/lib/comment_group_plugin.rb b/plugins/comment_group/lib/comment_group_plugin.rb
index bd90b97..a467ad0 100644
--- a/plugins/comment_group/lib/comment_group_plugin.rb
+++ b/plugins/comment_group/lib/comment_group_plugin.rb
@@ -30,7 +30,7 @@ class CommentGroupPlugin < Noosfero::Plugin
 
   def article_extra_toolbar_buttons(article)
     user = context.send :user
-    return [] if !article.comment_group_plugin_enabled? || !article.allow_edit?(user)
+    return [] if !article.allow_edit?(user) || article.comments.where("comments.group_id is not null").empty?
     [
       {
       :title => _('Export Comments'),
diff --git a/plugins/comment_group/lib/comment_group_plugin/comments_report.rb b/plugins/comment_group/lib/comment_group_plugin/comments_report.rb
new file mode 100644
index 0000000..d41881a
--- /dev/null
+++ b/plugins/comment_group/lib/comment_group_plugin/comments_report.rb
@@ -0,0 +1,51 @@
+module CommentGroupPlugin::CommentsReport
+
+  #FIXME make this test
+  def export_comments_csv(article)
+    comments_map = article.comments.group_by { |comment| comment.group_id }
+    @export = []
+    doc =  Nokogiri::HTML(article.body)
+    paragraph_id = 1
+    doc.css("[data-macro-group_id]").map do |paragraph|
+      uuid = paragraph.attributes['data-macro-group_id'].value
+      comments_for_paragraph = comments_map[uuid.to_i]
+      if comments_for_paragraph.present?
+        # Put comments for the paragraph
+        comments_for_paragraph.each do | comment |
+          @export << create_comment_element(comment, paragraph, paragraph_id)
+        end
+      else # There are no comments for this paragraph
+        @export <<  create_comment_element(nil, paragraph, paragraph_id)
+      end
+      paragraph_id += 1
+    end
+    # Now we need to put all other comments that are not attached to a paragraph
+    comments_without_paragrah = comments_map[nil] || []
+    comments_without_paragrah.each do | comment |
+      @export << create_comment_element(comment, nil, nil)
+    end
+    return _("No comments for article[%{id}]: %{path}\n\n") % {:id => article.id, :path => article.path} if @export.empty?
+
+    column_names = @export.first.keys
+    CSV.generate do |csv|
+      csv << column_names
+      @export.each { |x| csv << x.values }
+    end
+  end
+
+  private
+
+  def create_comment_element(comment, paragraph, paragraph_id)
+    {
+      paragraph_id: paragraph_id,
+      paragraph_text: paragraph.present? ? paragraph.text.strip : nil,
+      comment_id: comment.present? ? comment.id : '-',
+      comment_reply_to: comment.present? ? comment.reply_of_id : '-',
+      comment_title: comment.present? ? comment.title : '-',
+      comment_content: comment.present? ? comment.body : '-',
+      comment_author_name: comment.present? ? comment.author_name : '-',
+      comment_author_email: comment.present? ? comment.author_email : '-'
+    }
+  end
+
+end
--
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