Display contents of text file in Wiki page #468

CHANGELOG.md

@@ -1,6 +1,17 @@
 Changelog for Redmine DMSF
 ==========================
 
+1.5.6 *2015-??-??*
+------------------
+
+* Bug: #469 - dmsfd doesn't reuse Wiki syntax in Wiki page
+* New: #468 - Display contents of text file in Wiki page
+* Bug: #465 - Install using debian 8 (jessie)
+* Bug: #459 - WebDav Windows
+* Bug: #458 - Cannot upload big files
+
+    Maintenance release II.
+
 1.5.5 *2015-10-19*
 ------------------
 

README.md

@@ -1,7 +1,7 @@
 Redmine DMSF Plugin
 ===================
 
-The current version of Redmine DMSF is **1.5.5** [![Build Status](https://api.travis-ci.org/danmunn/redmine_dmsf.png)](https://travis-ci.org/danmunn/redmine_dmsf)
+The current version of Redmine DMSF is **1.5.6 devel** [![Build Status](https://api.travis-ci.org/danmunn/redmine_dmsf.png)](https://travis-ci.org/danmunn/redmine_dmsf)
 
 Redmine DMSF is Document Management System Features plugin for Redmine issue tracking system; It is aimed to replace current Redmine's Documents module.
 
@@ -107,6 +107,9 @@ Search will now automatically search DMSF content when a Redmine search is perfo
 ####Link to the description of a file with id 17
 `{{dmsfd(17)}}`
 
+####Link to the preview of the first 5 lines from a file with id 17
+`{{dmsft(17, 5)}}`
+
 ####An inline picture of the file with id 8; it must be an image file such as JPEG, PNG,...
 `{{dmsf_image(8)}}`
 

app/models/dmsf_file.rb

@@ -406,5 +406,27 @@ class DmsfFile < ActiveRecord::Base
   def image?
     self.last_revision && !!(self.last_revision.disk_filename =~ /\.(bmp|gif|jpg|jpe|jpeg|png)$/i)
   end
+  
+  def preview(limit)
+    result = 'No preview available'
+    if (self.last_revision.disk_filename =~ /\.(txt|ini|diff|c|cpp|php|csv|rb|h|erb|html|css)$/i)
+      begin
+        f = File.new(self.last_revision.disk_file)
+        f.each_line do |line| 
+          case f.lineno
+            when 1
+              result = line
+            when limit.to_i + 1
+              break
+            else
+              result << line              
+          end          
+        end
+      rescue Exception => e
+        result = e.message
+      end
+    end    
+    result
+  end
  
 end

init.rb

@@ -28,7 +28,7 @@ Redmine::Plugin.register :redmine_dmsf do
   name 'DMSF'
   author 'Vit Jonas / Daniel Munn / Karel Picman'
   description 'Document Management System Features'
-  version '1.5.5'
+  version '1.5.6 devel'
   url 'http://www.redmine.org/plugins/dmsf'
   author_url 'https://github.com/danmunn/redmine_dmsf/graphs/contributors'
   
@@ -148,6 +148,19 @@ Redmine::Plugin.register :redmine_dmsf do
         raise l(:notice_not_authorized)
       end   
     end  
+    
+    desc "Wiki link to DMSF document's content preview:\n\n" +
+             "{{dmsft(file_id)}}\n\n" +
+         "_file_id_ can be found in the link for file/revision download." 
+    macro :dmsft do |obj, args|
+      raise ArgumentError if args.length < 2 # Requires file id and lines number
+      file = DmsfFile.visible.find args[0].strip
+      if User.current && User.current.allowed_to?(:view_dmsf_files, file.project)           
+        return file.preview(args[1].strip).gsub("\n", '<br/>').html_safe        
+      else        
+        raise l(:notice_not_authorized)
+      end   
+    end  
 
     desc "Wiki DMSF image:\n\n" +
                "{{dmsf_image(file_id)}}\n" +