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File download (primitive implementation)

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This commit is contained in:
Alexey Verkhovsky 2005-01-22 02:49:52 +00:00
parent 9d90901cd0
commit e9a419c40f
6 changed files with 73 additions and 55 deletions
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17
app/controllers/wiki_controller.rb
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@ -80,7 +80,7 @@ class WikiController < ApplicationController
def export_pdf
file_name = "#{@web.address}-tex-#{@web.revised_on.strftime('%Y-%m-%d-%H-%M-%S')}"
file_path = WikiService.storage_path + file_name
file_path = @wiki.storage_path + file_name
export_web_to_tex "#{file_path}.tex" unless FileTest.exists? "#{file_path}.tex"
convert_tex_to_pdf "#{file_path}.tex"
@ -89,7 +89,7 @@ class WikiController < ApplicationController
def export_tex
file_name = "#{@web.address}-tex-#{@web.revised_on.strftime('%Y-%m-%d-%H-%M-%S')}.tex"
file_path = WikiService.storage_path + file_name
file_path = @wiki.storage_path + file_name
export_web_to_tex(file_path) unless FileTest.exists?(file_path)
send_file(file_path)
@ -182,7 +182,7 @@ class WikiController < ApplicationController
page = wiki.read_page(@web_name, @page_name)
safe_page_name = @page.name.gsub(/\W/, '')
file_name = "#{safe_page_name}-#{@web.address}-#{@page.created_at.strftime('%Y-%m-%d-%H-%M-%S')}"
file_path = WikiService.storage_path + file_name
file_path = @wiki.storage_path + file_name
export_page_to_tex(file_path + '.tex') unless FileTest.exists?(file_path + '.tex')
# NB: this is _very_ slow
@ -263,13 +263,6 @@ class WikiController < ApplicationController
private
def authorized?
@web.nil? ||
@web.password.nil? ||
cookies['web_address'] == @web.password ||
password_check(@params['password'])
end
def convert_tex_to_pdf(tex_path)
# TODO remove earlier PDF files with the same prefix
# TODO handle gracefully situation where pdflatex is not available
@ -285,7 +278,7 @@ class WikiController < ApplicationController
file_prefix = "#{@web.address}-#{file_type}-"
timestamp = @web.revised_on.strftime('%Y-%m-%d-%H-%M-%S')
file_path = WikiService.storage_path + file_prefix + timestamp + '.zip'
file_path = @wiki.storage_path + file_prefix + timestamp + '.zip'
tmp_path = "#{file_path}.tmp"
Zip::ZipOutputStream.open(tmp_path) do |zip_out|
@ -305,7 +298,7 @@ class WikiController < ApplicationController
EOL
end
end
FileUtils.rm_rf(Dir[WikiService.storage_path + file_prefix + '*.zip'])
FileUtils.rm_rf(Dir[@wiki.storage_path + file_prefix + '*.zip'])
FileUtils.mv(tmp_path, file_path)
send_file(file_path, :type => 'application/zip')
end