SoundSoftware Code Site

# Redmine - project management software

# Copyright (C) 2006-2013  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, :destroy]

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

  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, :update_form]

  accept_rss_auth :index, :show

  accept_api_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 :repositories

  include RepositoriesHelper

  helper :sort

  include SortHelper

  include IssuesHelper

  helper :timelog

  include Redmine::Export::PDF

  def index

    retrieve_query

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

    sort_update(@query.sortable_columns)

    @query.sort_criteria = sort_criteria.to_a

    if @query.valid?

      case params[:format]

      when 'csv', 'pdf'

        @limit = Setting.issues_export_limit.to_i

      when 'atom'

        @limit = Setting.feeds_limit.to_i

      when 'xml', 'json'

        @offset, @limit = api_offset_and_limit

      else

        @limit = per_page_option

      end

      @issue_count = @query.issue_count

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

      @offset ||= @issue_pages.offset

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

                              :order => sort_clause,

                              :offset => @offset,

                              :limit => @limit)

      @issue_count_by_group = @query.issue_count_by_group

      respond_to do |format|

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

        format.api  {

          Issue.load_visible_relations(@issues) if include_in_api_response?('relations')

        }

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

        format.csv  { send_data(query_to_csv(@issues, @query, params), :type => 'text/csv; header=present', :filename => 'issues.csv') }

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

      end

    else

      respond_to do |format|

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

        format.any(:atom, :csv, :pdf) { render(:nothing => true) }

        format.api { render_validation_errors(@query) }

      end

    end

  rescue ActiveRecord::RecordNotFound

    render_404

  end

  def show

    @journals = @issue.journals.includes(:user, :details).reorder("#{Journal.table_name}.id ASC").all

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

    @journals.reject!(&:private_notes?) unless User.current.allowed_to?(:view_private_notes, @issue.project)

    @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?

    @relations = @issue.relations.select {|r| r.other_issue(@issue) && r.other_issue(@issue).visible? }

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

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

    @priorities = IssuePriority.active

    @time_entry = TimeEntry.new(:issue => @issue, :project => @issue.project)

    respond_to do |format|

      format.html {

        retrieve_previous_and_next_issue_ids

        render :template => 'issues/show'

      }

      format.api

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

      format.pdf  {

        pdf = issue_to_pdf(@issue, :journals => @journals)

        send_data(pdf, :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? }

    end

  end

  def create

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

    @issue.save_attachments(params[:attachments] || (params[:issue] && params[:issue][:uploads]))

    if @issue.save

      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 {

          render_attachment_warning_if_needed(@issue)

          flash[:notice] = l(:notice_issue_successful_create, :id => view_context.link_to("##{@issue.id}", issue_path(@issue), :title => @issue.subject))

          if params[:continue]

            attrs = {:tracker_id => @issue.tracker, :parent_issue_id => @issue.parent_issue_id}.reject {|k,v| v.nil?}

            redirect_to new_project_issue_path(@issue.project, :issue => attrs)

          else

            redirect_to issue_path(@issue)

          end

        }

        format.api  { render :action => 'show', :status => :created, :location => issue_url(@issue) }

      end

      return

    else

      respond_to do |format|

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

        format.api  { render_validation_errors(@issue) }

      end

    end

  end

  def edit

    return unless update_issue_from_params

    respond_to do |format|

      format.html { }

      format.xml  { }

    end

  end

  def update

    return unless update_issue_from_params

    @issue.save_attachments(params[:attachments] || (params[:issue] && params[:issue][:uploads]))

    saved = false

    begin

      saved = @issue.save_issue_with_child_records(params, @time_entry)

    rescue ActiveRecord::StaleObjectError

      @conflict = true

      if params[:last_journal_id]

        @conflict_journals = @issue.journals_after(params[:last_journal_id]).all

        @conflict_journals.reject!(&:private_notes?) unless User.current.allowed_to?(:view_private_notes, @issue.project)

      end

    end

    if saved

      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 issue_path(@issue) }

        format.api  { render_api_ok }

      end

    else

      respond_to do |format|

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

        format.api  { render_validation_errors(@issue) }

      end

    end

  end

  # Updates the issue form when changing the project, status or tracker

  # on issue creation/update

  def update_form

  end

  # Bulk edit/copy a set of issues

  def bulk_edit

    @issues.sort!

    @copy = params[:copy].present?

    @notes = params[:notes]

    if User.current.allowed_to?(:move_issues, @projects)

      @allowed_projects = Issue.allowed_target_projects_on_move

      if params[:issue]

        @target_project = @allowed_projects.detect {|p| p.id.to_s == params[:issue][:project_id].to_s}

        if @target_project

          target_projects = [@target_project]

        end

      end

    end

    target_projects ||= @projects

    if @copy

      @available_statuses = [IssueStatus.default]

    else

      @available_statuses = @issues.map(&:new_statuses_allowed_to).reduce(:&)

    end

    @custom_fields = target_projects.map{|p|p.all_issue_custom_fields}.reduce(:&)

    @assignables = target_projects.map(&:assignable_users).reduce(:&)

    @trackers = target_projects.map(&:trackers).reduce(:&)

    @versions = target_projects.map {|p| p.shared_versions.open}.reduce(:&)

    @categories = target_projects.map {|p| p.issue_categories}.reduce(:&)

    if @copy

      @attachments_present = @issues.detect {|i| i.attachments.any?}.present?

      @subtasks_present = @issues.detect {|i| !i.leaf?}.present?

    end

    @safe_attributes = @issues.map(&:safe_attribute_names).reduce(:&)

    render :layout => false if request.xhr?

  end

  def bulk_update

    @issues.sort!

    @copy = params[:copy].present?

    attributes = parse_params_for_bulk_issue_attributes(params)

    unsaved_issue_ids = []

    moved_issues = []

    if @copy && params[:copy_subtasks].present?

      # Descendant issues will be copied with the parent task

      # Don't copy them twice

      @issues.reject! {|issue| @issues.detect {|other| issue.is_descendant_of?(other)}}

    end

    @issues.each do |issue|

      issue.reload

      if @copy

        issue = issue.copy({},

          :attachments => params[:copy_attachments].present?,

          :subtasks => params[:copy_subtasks].present?

        )

      end

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

      issue.safe_attributes = attributes

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

      if issue.save

        moved_issues << issue

      else

        # 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)

    if params[:follow]

      if @issues.size == 1 && moved_issues.size == 1

        redirect_to issue_path(moved_issues.first)

      elsif moved_issues.map(&:project).uniq.size == 1

        redirect_to project_issues_path(moved_issues.map(&:project).first)

      end

    else

      redirect_back_or_default _project_issues_path(@project)

    end

  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

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

        return unless api_request?

      end

    end

    @issues.each do |issue|

      begin

        issue.reload.destroy

      rescue ::ActiveRecord::RecordNotFound # raised by #reload if issue no longer exists

        # nothing to do, issue was already deleted (eg. by a parent)

      end

    end

    respond_to do |format|

      format.html { redirect_back_or_default _project_issues_path(@project) }

      format.api  { render_api_ok }

    end

  end

  private

  def find_project

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

    @project = Project.find(project_id)

  rescue ActiveRecord::RecordNotFound

    render_404

  end

  def retrieve_previous_and_next_issue_ids

    retrieve_query_from_session

    if @query

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

      sort_update(@query.sortable_columns, 'issues_index_sort')

      limit = 500

      issue_ids = @query.issue_ids(:order => sort_clause, :limit => (limit + 1), :include => [:assigned_to, :tracker, :priority, :category, :fixed_version])

      if (idx = issue_ids.index(@issue.id)) && idx < limit

        if issue_ids.size < 500

          @issue_position = idx + 1

          @issue_count = issue_ids.size

        end

        @prev_issue_id = issue_ids[idx - 1] if idx > 0

        @next_issue_id = issue_ids[idx + 1] if idx < (issue_ids.size - 1)

      end

    end

  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

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

    @time_entry = TimeEntry.new(:issue => @issue, :project => @issue.project)

    @time_entry.attributes = params[:time_entry]

    @issue.init_journal(User.current)

    issue_attributes = params[:issue]

    if issue_attributes && params[:conflict_resolution]

      case params[:conflict_resolution]

      when 'overwrite'

        issue_attributes = issue_attributes.dup

        issue_attributes.delete(:lock_version)

      when 'add_notes'

        issue_attributes = issue_attributes.slice(:notes)

      when 'cancel'

        redirect_to issue_path(@issue)

        return false

      end

    end

    # tests if the the user assigned_to_id

    # is in this issues watcher's list

    # if not, adds it.

    if params[:issue] && 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

    @issue.safe_attributes = issue_attributes

    @priorities = IssuePriority.active

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

    true

  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

      if params[:copy_from]

        begin

          @copy_from = Issue.visible.find(params[:copy_from])

          @copy_attachments = params[:copy_attachments].present? || request.get?

          @copy_subtasks = params[:copy_subtasks].present? || request.get?

          @issue.copy_from(@copy_from, :attachments => @copy_attachments, :subtasks => @copy_subtasks)

        rescue ActiveRecord::RecordNotFound

          render_404

          return

        end

      end

      @issue.project = @project

    else

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

    end

    @issue.project = @project

    @issue.author ||= User.current

    # 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 Setting.default_issue_start_date_to_creation_date?

    @issue.safe_attributes = params[:issue]

    @priorities = IssuePriority.active

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

    @available_watchers = (@issue.project.users.sort + @issue.watcher_users).uniq

  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'}

    if custom = attributes[:custom_field_values]

      custom.reject! {|k,v| v.blank?}

      custom.keys.each do |k|

        if custom[k].is_a?(Array)

          custom[k] << '' if custom[k].delete('__none__')

        else

          custom[k] = '' if custom[k] == '__none__'

        end

      end

    end

    attributes

  end

end