From 83dff8cc617dabc46eb25f597eac62c3fa22c10e Mon Sep 17 00:00:00 2001
From: Anton Maminov <anton.linux@gmail.com>
Date: Thu, 27 Apr 2023 11:13:03 +0300
Subject: [PATCH] add pdf_forms_flag

---
 README.md                  | 1 +
 lib/princely/pdf.rb        | 7 +++++--
 lib/princely/pdf_helper.rb | 5 +++--
 spec/princely/pdf_spec.rb  | 8 +++++++-
 4 files changed, 16 insertions(+), 5 deletions(-)

diff --git a/README.md b/README.md
index 0364b47..5adf24d 100644
--- a/README.md
+++ b/README.md
@@ -47,6 +47,7 @@ The defaults for the render options are as follows:
     relative_paths:  true
     server_flag:     true
     javascript_flag: false
+    pdf_forms_flag:  false
     timeout:         none
 
 ## Contributors
diff --git a/lib/princely/pdf.rb b/lib/princely/pdf.rb
index 76b7b2a..4d8fd87 100644
--- a/lib/princely/pdf.rb
+++ b/lib/princely/pdf.rb
@@ -2,7 +2,7 @@
 
 module Princely
   class Pdf
-    attr_accessor :executable, :style_sheets, :logger, :log_file, :server_flag, :media, :javascript_flag, :timeout
+    attr_accessor :executable, :style_sheets, :logger, :log_file, :server_flag, :media, :javascript_flag, :timeout, :pdf_forms_flag
 
     # Initialize method
     #
@@ -14,7 +14,8 @@ def initialize(options={})
         :logger => nil,
         :server_flag => true,
         :media => nil,
-        :javascript_flag => false
+        :javascript_flag => false,
+        :pdf_forms_flag => false,
       }.merge(options)
       @executable = options[:path] ? Princely::Executable.new(options[:path]) : options[:executable]
       @style_sheets = ''
@@ -23,6 +24,7 @@ def initialize(options={})
       @server_flag = options[:server_flag]
       @media = options[:media]
       @javascript_flag = options[:javascript_flag]
+      @pdf_forms_flag = options[:pdf_forms_flag]
       @timeout = options[:timeout]
     end
 
@@ -57,6 +59,7 @@ def executable_options
       options << "--log=#{log_file}"
       options << "--media=#{media}" if media
       options << "--javascript" if @javascript_flag
+      options << "--pdf-forms" if @pdf_forms_flag
       options << @style_sheets
       options
     end
diff --git a/lib/princely/pdf_helper.rb b/lib/princely/pdf_helper.rb
index ef943c2..05109da 100644
--- a/lib/princely/pdf_helper.rb
+++ b/lib/princely/pdf_helper.rb
@@ -32,10 +32,11 @@ def make_pdf(options = {})
         :relative_paths => true,
         :server_flag => true,
         :media => nil,
-        :javascript_flag => false
+        :javascript_flag => false,
+        :pdf_forms_flag  => false
       }.merge(options)
 
-      prince = Princely::Pdf.new(options.slice(:server_flag, :javascript_flag, :media))
+      prince = Princely::Pdf.new(options.slice(:server_flag, :javascript_flag, :pdf_forms_flag, :media))
       # Sets style sheets on PDF renderer
       prince.add_style_sheets(*options[:stylesheets].collect{|style| asset_file_path(style)})
 
diff --git a/spec/princely/pdf_spec.rb b/spec/princely/pdf_spec.rb
index ef761c8..39f4c38 100644
--- a/spec/princely/pdf_spec.rb
+++ b/spec/princely/pdf_spec.rb
@@ -9,7 +9,7 @@
 
   it "generates a PDF from HTML" do
     pdf = Princely::Pdf.new.pdf_from_string html_doc
-    expect(pdf).to start_with("%PDF-1.4")
+    expect(pdf).to match(/\A%PDF-\d\.\d/)
     expect(pdf.rstrip).to end_with("%%EOF")
     pdf.length > 100
   end
@@ -78,5 +78,11 @@
       allow(prince).to receive(:log_file).and_return('/tmp/test_log')
       expect(prince.exe_path).to eql("/tmp/fake --input=html --server --log=/tmp/test_log --javascript ")
     end
+
+    it "adds the pdf-forms flag" do
+      prince = Princely::Pdf.new(:path => '/tmp/fake', :pdf_forms_flag => true)
+      allow(prince).to receive(:log_file).and_return('/tmp/test_log')
+      expect(prince.exe_path).to eql("/tmp/fake --input=html --server --log=/tmp/test_log --pdf-forms ")
+    end
   end
 end