SoundSoftware Code Site

# Redmine - project management software

# Copyright (C) 2006-2008  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.

class IssuesController < ApplicationController

  menu_item :new_issue, :only => [:new, :create]

  default_search_scope :issues

  before_filter :find_issue, :only => [:show, :edit, :update]

  before_filter :find_issues, :only => [:bulk_edit, :bulk_update, :move, :perform_move, :destroy]

  before_filter :check_project_uniqueness, :only => [:move, :perform_move]

  before_filter :find_project, :only => [:new, :create]

  before_filter :authorize, :except => [:index]

  before_filter :find_optional_project, :only => [:index]

  before_filter :check_for_default_issue_status, :only => [:new, :create]

  before_filter :build_new_issue_from_params, :only => [:new, :create]

  accept_key_auth :index, :show, :create, :update, :destroy

  rescue_from Query::StatementInvalid, :with => :query_statement_invalid

  helper :journals

  helper :projects

  include ProjectsHelper   

  helper :custom_fields

  include CustomFieldsHelper

  helper :issue_relations

  include IssueRelationsHelper

  helper :watchers

  include WatchersHelper

  helper :attachments

  include AttachmentsHelper

  helper :queries

  include QueriesHelper

  helper :sort

  include SortHelper

  include IssuesHelper

  helper :timelog

  helper :gantt

  include Redmine::Export::PDF

  verify :method => [:post, :delete],

         :only => :destroy,

         :render => { :nothing => true, :status => :method_not_allowed }

  verify :method => :post, :only => :create, :render => {:nothing => true, :status => :method_not_allowed }

  verify :method => :post, :only => :bulk_update, :render => {:nothing => true, :status => :method_not_allowed }

  verify :method => :put, :only => :update, :render => {:nothing => true, :status => :method_not_allowed }

  def index

    retrieve_query

    sort_init(@query.sort_criteria.empty? ? [['id', 'desc']] : @query.sort_criteria)

    sort_update(@query.sortable_columns)

    if @query.valid?

      limit = case params[:format]

      when 'csv', 'pdf'

        Setting.issues_export_limit.to_i

      when 'atom'

        Setting.feeds_limit.to_i

      else

        per_page_option

      end

      @issue_count = @query.issue_count

      @issue_pages = Paginator.new self, @issue_count, limit, params['page']

      @issues = @query.issues(:include => [:assigned_to, :tracker, :priority, :category, :fixed_version],

                              :order => sort_clause, 

                              :offset => @issue_pages.current.offset, 

                              :limit => limit)

      @issue_count_by_group = @query.issue_count_by_group

      respond_to do |format|

        format.html { render :template => 'issues/index.rhtml', :layout => !request.xhr? }

        format.xml  { render :layout => false }

        format.json { render :text => @issues.to_json, :layout => false }

        format.atom { render_feed(@issues, :title => "#{@project || Setting.app_title}: #{l(:label_issue_plural)}") }

        format.csv  { send_data(issues_to_csv(@issues, @project), :type => 'text/csv; header=present', :filename => 'export.csv') }

        format.pdf  { send_data(issues_to_pdf(@issues, @project, @query), :type => 'application/pdf', :filename => 'export.pdf') }

      end

    else

      # Send html if the query is not valid

      render(:template => 'issues/index.rhtml', :layout => !request.xhr?)

    end

  rescue ActiveRecord::RecordNotFound

    render_404

  end

  def show

    @journals = @issue.journals.find(:all, :include => [:user, :details], :order => "#{Journal.table_name}.created_on ASC")

    @journals.each_with_index {|j,i| j.indice = i+1}

    @journals.reverse! if User.current.wants_comments_in_reverse_order?

    @changesets = @issue.changesets.visible.all

    @changesets.reverse! if User.current.wants_comments_in_reverse_order?

    @allowed_statuses = @issue.new_statuses_allowed_to(User.current)

    @edit_allowed = User.current.allowed_to?(:edit_issues, @project)

    @priorities = IssuePriority.all

    @time_entry = TimeEntry.new

    respond_to do |format|

      format.html { render :template => 'issues/show.rhtml' }

      format.xml  { render :layout => false }

      format.json { render :text => @issue.to_json, :layout => false }

      format.atom { render :template => 'journals/index', :layout => false, :content_type => 'application/atom+xml' }

      format.pdf  { send_data(issue_to_pdf(@issue), :type => 'application/pdf', :filename => "#{@project.identifier}-#{@issue.id}.pdf") }

    end

  end

  # Add a new issue

  # The new issue will be created from an existing one if copy_from parameter is given

  def new

    respond_to do |format|

      format.html { render :action => 'new', :layout => !request.xhr? }

      format.js { render :partial => 'attributes' }

    end

  end

  def create

    call_hook(:controller_issues_new_before_save, { :params => params, :issue => @issue })

    if @issue.save

      attachments = Attachment.attach_files(@issue, params[:attachments])

      render_attachment_warning_if_needed(@issue)

      flash[:notice] = l(:notice_successful_create)

      call_hook(:controller_issues_new_after_save, { :params => params, :issue => @issue})

      # Also adds the assignee to the watcher's list

      if params[:issue][:assigned_to_id] && !params[:issue][:assigned_to_id].empty?:

       unless @issue.watcher_ids.include?(params[:issue][:assigned_to_id]):

         @issue.add_watcher(User.find(params[:issue][:assigned_to_id]))

       end

      end

      respond_to do |format|

        format.html {

          redirect_to(params[:continue] ?  { :action => 'new', :project_id => @project, :issue => {:tracker_id => @issue.tracker, :parent_issue_id => @issue.parent_issue_id}.reject {|k,v| v.nil?} } :

                      { :action => 'show', :id => @issue })

        }

        format.xml  { render :action => 'show', :status => :created, :location => url_for(:controller => 'issues', :action => 'show', :id => @issue) }

        format.json { render :text => @issue.to_json, :status => :created, :location => url_for(:controller => 'issues', :action => 'show'), :layout => false }

      end

      return

    else

      respond_to do |format|

        format.html { render :action => 'new' }

        format.xml  { render(:xml => @issue.errors, :status => :unprocessable_entity); return }

        format.json { render :text => object_errors_to_json(@issue), :status => :unprocessable_entity, :layout => false }

      end

    end

  end

  def edit

    update_issue_from_params

    @journal = @issue.current_journal

    respond_to do |format|

      format.html { }

      format.xml  { }

    end

  end

  def update

    update_issue_from_params

    if @issue.save_issue_with_child_records(params, @time_entry)

      render_attachment_warning_if_needed(@issue)

      flash[:notice] = l(:notice_successful_update) unless @issue.current_journal.new_record?

      respond_to do |format|

        format.html { redirect_back_or_default({:action => 'show', :id => @issue}) }

        format.xml  { head :ok }

        format.json  { head :ok }

      end

    else

      render_attachment_warning_if_needed(@issue)

      flash[:notice] = l(:notice_successful_update) unless @issue.current_journal.new_record?

      @journal = @issue.current_journal

      respond_to do |format|

        format.html { render :action => 'edit' }

        format.xml  { render :xml => @issue.errors, :status => :unprocessable_entity }

        format.json { render :text => object_errors_to_json(@issue), :status => :unprocessable_entity, :layout => false }

      end

    end

  end

  # Bulk edit a set of issues

  def bulk_edit

    @issues.sort!

    @available_statuses = @projects.map{|p|Workflow.available_statuses(p)}.inject{|memo,w|memo & w}

    @custom_fields = @projects.map{|p|p.all_issue_custom_fields}.inject{|memo,c|memo & c}

    @assignables = @projects.map(&:assignable_users).inject{|memo,a| memo & a}

    @trackers = @projects.map(&:trackers).inject{|memo,t| memo & t}

  end

  def bulk_update

    @issues.sort!

    attributes = parse_params_for_bulk_issue_attributes(params)

    unsaved_issue_ids = []

    @issues.each do |issue|

      issue.reload

      journal = issue.init_journal(User.current, params[:notes])

      issue.safe_attributes = attributes

      call_hook(:controller_issues_bulk_edit_before_save, { :params => params, :issue => issue })

      unless issue.save

        # Keep unsaved issue ids to display them in flash error

        unsaved_issue_ids << issue.id

      end

    end

    set_flash_from_bulk_issue_save(@issues, unsaved_issue_ids)

    redirect_back_or_default({:controller => 'issues', :action => 'index', :project_id => @project})

  end

  def destroy

    @hours = TimeEntry.sum(:hours, :conditions => ['issue_id IN (?)', @issues]).to_f

    if @hours > 0

      case params[:todo]

      when 'destroy'

        # nothing to do

      when 'nullify'

        TimeEntry.update_all('issue_id = NULL', ['issue_id IN (?)', @issues])

      when 'reassign'

        reassign_to = @project.issues.find_by_id(params[:reassign_to_id])

        if reassign_to.nil?

          flash.now[:error] = l(:error_issue_not_found_in_project)

          return

        else

          TimeEntry.update_all("issue_id = #{reassign_to.id}", ['issue_id IN (?)', @issues])

        end

      else

        unless params[:format] == 'xml' || params[:format] == 'json'

          # display the destroy form if it's a user request

          return

        end

      end

    end

    @issues.each(&:destroy)

    respond_to do |format|

      format.html { redirect_back_or_default(:action => 'index', :project_id => @project) }

      format.xml  { head :ok }

      format.json  { head :ok }

    end

  end

private

  def find_issue

    @issue = Issue.find(params[:id], :include => [:project, :tracker, :status, :author, :priority, :category])

    @project = @issue.project

  rescue ActiveRecord::RecordNotFound

    render_404

  end

  def find_project

    project_id = (params[:issue] && params[:issue][:project_id]) || params[:project_id]

    @project = Project.find(project_id)

  rescue ActiveRecord::RecordNotFound

    render_404

  end

  # Used by #edit and #update to set some common instance variables

  # from the params

  # TODO: Refactor, not everything in here is needed by #edit

  def update_issue_from_params

    @allowed_statuses = @issue.new_statuses_allowed_to(User.current)

    @priorities = IssuePriority.all

    @edit_allowed = User.current.allowed_to?(:edit_issues, @project)

    @time_entry = TimeEntry.new

    @time_entry.attributes = params[:time_entry]

    @notes = params[:notes] || (params[:issue].present? ? params[:issue][:notes] : nil)

    @issue.init_journal(User.current, @notes)

    @issue.safe_attributes = params[:issue]

    # tests if the the user assigned_to_id

    # is in this issues watcher's list

    # if not, adds it.

    if params[:issue][:assigned_to_id] && !params[:issue][:assigned_to_id].empty?:

     unless @issue.watched_by?(User.find(params[:issue][:assigned_to_id])):

       @issue.add_watcher(User.find(params[:issue][:assigned_to_id]))

     end

    end

  end

  # TODO: Refactor, lots of extra code in here

  # TODO: Changing tracker on an existing issue should not trigger this

  def build_new_issue_from_params

    if params[:id].blank?

      @issue = Issue.new

      @issue.copy_from(params[:copy_from]) if params[:copy_from]

      @issue.project = @project

    else

      @issue = @project.issues.visible.find(params[:id])

    end

    @issue.project = @project

    # Tracker must be set before custom field values

    @issue.tracker ||= @project.trackers.find((params[:issue] && params[:issue][:tracker_id]) || params[:tracker_id] || :first)

    if @issue.tracker.nil?

      render_error l(:error_no_tracker_in_project)

      return false

    end

    @issue.start_date ||= Date.today

    if params[:issue].is_a?(Hash)

      @issue.safe_attributes = params[:issue]

      if User.current.allowed_to?(:add_issue_watchers, @project) && @issue.new_record?

        @issue.watcher_user_ids = params[:issue]['watcher_user_ids']

      end

    end

    @issue.author = User.current

    @priorities = IssuePriority.all

    @allowed_statuses = @issue.new_statuses_allowed_to(User.current, true)

  end

  def check_for_default_issue_status

    if IssueStatus.default.nil?

      render_error l(:error_no_default_issue_status)

      return false

    end

  end

  def parse_params_for_bulk_issue_attributes(params)

    attributes = (params[:issue] || {}).reject {|k,v| v.blank?}

    attributes.keys.each {|k| attributes[k] = '' if attributes[k] == 'none'}

    attributes[:custom_field_values].reject! {|k,v| v.blank?} if attributes[:custom_field_values]

    attributes

  end

end