Add documents (merges foodcoops/foodsoft#353)

plugins/documents/app/controllers/documents_controller.rb

@@ -0,0 +1,63 @@
+require 'filemagic'
+
+class DocumentsController < ApplicationController
+  before_filter -> { require_plugin_enabled FoodsoftDocuments }
+
+  def index
+    if params["sort"]
+      sort = case params["sort"]
+               when "name" then "name"
+               when "created_at" then "created_at"
+               when "name_reverse" then "name DESC"
+               when "created_at_reverse" then "created_at DESC"
+             end
+    else
+      sort = "name"
+    end
+
+    @documents = Document.page(params[:page]).per(@per_page).order(sort)
+  end
+
+  def new
+    @document = Document.new
+  end
+
+  def create
+    @document = Document.new
+    @document.data = params[:document][:data].read
+    @document.mime = FileMagic.new(FileMagic::MAGIC_MIME).buffer(@document.data)
+    if params[:document][:name] == ''
+      name = params[:document][:data].original_filename
+      name = File.basename(name)
+      @document.name = name.gsub(/[^\w\.\-]/, '_')
+    else
+      @document.name = params[:document][:name]
+    end
+    @document.created_by = current_user
+    @document.save!
+    redirect_to documents_path, notice: I18n.t('documents.create.notice')
+  rescue => error
+    redirect_to documents_path, alert: t('documents.create.error', error: error.message)
+  end
+
+  def destroy
+    @document = Document.find(params[:id])
+    if @document.created_by == current_user or current_user.role_admin?
+      @document.destroy
+      redirect_to documents_path, notice: t('documents.destroy.notice')
+    else
+      redirect_to documents_path, alert: t('documents.destroy.no_right')
+    end
+  rescue => error
+    redirect_to documents_path, alert: t('documents.destroy.error', error: error.message)
+  end
+
+  def show
+    @document = Document.find(params[:id])
+    filename = @document.name
+    unless filename.include? '.'
+      filename += '.' + MIME::Types[@document.mime].first.preferred_extension
+    end
+    send_data(@document.data, :filename => filename, :type => @document.mime)
+  end
+end