From 1bd6faa846a9b28cd871f34e6d0cd38df18b68e7 Mon Sep 17 00:00:00 2001
From: "karel.picman@lbcfree.net" <karel.picman@lbcfree.net>
Date: Fri, 21 Aug 2020 09:42:21 +0200
Subject: [PATCH] Embed video into wiki #1164

---
 README.md                   | 12 ++++++++++++
 app/models/dmsf_file.rb     |  3 +++
 lib/redmine_dmsf/macros.rb  | 34 ++++++++++++++++++++++++++++++++++
 test/unit/dmsf_file_test.rb |  6 ++++++
 4 files changed, 55 insertions(+)

diff --git a/README.md b/README.md
index b3e6feee..2b8f9b00 100644
--- a/README.md
+++ b/README.md
@@ -152,6 +152,18 @@ Thumbnail with height of 200px: `{{dmsftn(8)}}`
 
 Thumbnail with custom size: `{{dmsftn(8, size=300)}}`
 
+Inline video of the file with id 8; it must be an image file such as MP4: `{{dmsf_video(9)}}`
+
+Inline video with custom size: `{{dmsf_video(9, size=300)}}`
+
+Inline video with custom size: `{{dmsf_video(9, size=50%)}}`
+
+Inline video with custom height: `{{dmsf_video(9, height=300)}}`
+
+Inline video with custom width: `{{dmsf_video(9, width=300)}}`
+
+Inline video with custom size: `{{dmsf_video(9, size=640x480)}}`
+
 Approval workflow status of a document with id 8: `{{dmsfw(8)}}`
 
 The DMSF document/revision id can be found in document details.
diff --git a/app/models/dmsf_file.rb b/app/models/dmsf_file.rb
index bb5955b5..44be7f9f 100644
--- a/app/models/dmsf_file.rb
+++ b/app/models/dmsf_file.rb
@@ -460,6 +460,9 @@ class DmsfFile < ActiveRecord::Base
     last_revision && (Redmine::MimeType.of(last_revision.disk_filename) == 'application/pdf')
   end
 
+  def video?
+    last_revision && Redmine::MimeType.is_type?('video', last_revision.disk_filename)
+  end
 
   def disposition
     (image? || pdf?) ? 'inline' : 'attachment'
diff --git a/lib/redmine_dmsf/macros.rb b/lib/redmine_dmsf/macros.rb
index 3e31d8f7..58e7556c 100644
--- a/lib/redmine_dmsf/macros.rb
+++ b/lib/redmine_dmsf/macros.rb
@@ -178,6 +178,40 @@ Redmine::WikiFormatting::Macros.register do
     end
   end
 
+  # dmsf_video - link to a video
+  desc "Wiki DMSF image:\n\n" +
+           "{{dmsf_video(file_id)}}\n" +
+           "{{dmsf_video(file_id, size=300)}} -- with and size 300x300\n" +
+           "{{dmsf_video(file_id, height=300)}} -- with height (auto width)\n" +
+           "{{dmsf_video(file_id, width=300)}} -- with width (auto height)\n" +
+           "{{dmsf_video(file_id, size=640x480)}} -- with and size 640x480"
+  macro :dmsf_video do |obj, args|
+    args, options = extract_macro_options(args, :size, :width, :height, :title)
+    file_id = args.first
+    raise 'DMSF document ID required' unless file_id.present?
+    size = options[:size]
+    width = options[:width]
+    height = options[:height]
+    if file = DmsfFile.find_by(id: file_id)
+      unless User.current && User.current.allowed_to?(:view_dmsf_files, file.project)
+        raise l(:notice_not_authorized)
+      end
+      raise 'Not supported video format' unless file.video?
+      url = url_for(controller: :dmsf_files, action: 'view', id: file)
+      if size && size.include?('%')
+        video_tag url, controls: true, alt: file.title, width: size, height: size
+      elsif height
+        video_tag url, controls: true, alt: file.title, width: 'auto', height: height
+      elsif width
+        video_tag url, controls: true, alt: file.title, width: width, height: 'auto'
+      else
+        video_tag url, controls: true, alt: file.title, size: size
+      end
+    else
+      raise "Document ID #{file_id} not found"
+    end
+  end
+
   # dmsftn - link to an image thumbnail
   desc "Wiki DMSF thumbnail:\n\n" +
              "{{dmsftn(file_id)}} -- with default height 200(auto width)\n" +
diff --git a/test/unit/dmsf_file_test.rb b/test/unit/dmsf_file_test.rb
index 6bdbdbd6..fd7c1548 100644
--- a/test/unit/dmsf_file_test.rb
+++ b/test/unit/dmsf_file_test.rb
@@ -209,6 +209,12 @@ class DmsfFileTest < RedmineDmsf::Test::UnitTest
     assert @file8.pdf?
   end
 
+  def test_video
+    assert !@file1.video?
+    @file1.last_revision.disk_filename = 'test.mp4'
+    assert @file1.video?
+  end
+
   def test_findn_file_by_name
     assert DmsfFile.find_file_by_name(@project1, nil, 'test.txt')
     assert_nil DmsfFile.find_file_by_name(@project1, nil, 'test.odt')