Import issues from CSV file (#950).

git-svn-id: http://svn.redmine.org/redmine/trunk@14493 e93f8b46-1217-0410-a6f0-8f06a7374b81

1 files changed, 124 insertions, 0 deletions

diff --git a/app/controllers/imports_controller.rb b/app/controllers/imports_controller.rb
new file mode 100644
index 000000000..2499a20ad
--- /dev/null
+++ b/app/controllers/imports_controller.rb
@@ -0,0 +1,124 @@
+# Redmine - project management software
+# Copyright (C) 2006-2015  Jean-Philippe Lang
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+
+require 'csv'
+
+class ImportsController < ApplicationController
+
+  before_filter :find_import, :only => [:show, :settings, :mapping, :run]
+  before_filter :authorize_global
+
+  helper :issues
+
+  def new
+  end
+
+  def create
+    @import = IssueImport.new
+    @import.user = User.current
+    @import.file = params[:file]
+    @import.set_default_settings
+
+    if @import.save
+      redirect_to import_settings_path(@import)
+    else
+      render :action => 'new'
+    end
+  end
+
+  def show
+  end
+
+  def settings
+    if request.post? && @import.parse_file
+      redirect_to import_mapping_path(@import)
+    end
+
+  rescue CSV::MalformedCSVError => e
+    flash.now[:error] = l(:error_invalid_csv_file_or_settings)
+  rescue ArgumentError, Encoding::InvalidByteSequenceError => e
+    flash.now[:error] = l(:error_invalid_file_encoding, :encoding => ERB::Util.h(@import.settings['encoding']))
+  rescue SystemCallError => e
+    flash.now[:error] = l(:error_can_not_read_import_file)
+  end
+
+  def mapping
+    issue = Issue.new
+    issue.project = @import.project
+    issue.tracker = @import.tracker
+    @attributes = issue.safe_attribute_names
+    @custom_fields = issue.editable_custom_field_values.map(&:custom_field)
+
+    if request.post?
+      respond_to do |format|
+        format.html {
+          if params[:previous]
+            redirect_to import_settings_path(@import)
+          else
+            redirect_to import_run_path(@import)
+          end
+        }
+        format.js # updates mapping form on project or tracker change
+      end
+    end
+  end
+
+  def run
+    if request.post?
+      @current = @import.run(
+        :max_items => max_items_per_request,
+        :max_time => 10.seconds
+      )
+      respond_to do |format|
+        format.html {
+          if @import.finished?
+            redirect_to import_path(@import)
+          else
+            redirect_to import_run_path(@import)
+          end
+        }
+        format.js
+      end
+    end
+  end
+
+  private
+
+  def find_import
+    @import = Import.where(:user_id => User.current.id, :filename => params[:id]).first
+    if @import.nil?
+      render_404
+      return
+    elsif @import.finished? && action_name != 'show'
+      redirect_to import_path(@import)
+      return
+    end
+    update_from_params if request.post?
+  end
+
+  def update_from_params
+    if params[:import_settings].is_a?(Hash)
+      @import.settings ||= {}
+      @import.settings.merge!(params[:import_settings])
+      @import.save!
+    end
+  end
+
+  def max_items_per_request
+    5
+  end
+end