redmine_dmsf/app/controllers/dmsf_workflows_controller.rb

# Redmine plugin for Document Management System "Features"
#
# Copyright (C) 2013   Karel Picman <karel.picman@kontron.com>
#
# 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 DmsfWorkflowsController < ApplicationController
  unloadable  
  layout :workflows_layout
  
  before_filter :find_workflow, :except => [:create, :new, :index, :assign, :assignment]  
  before_filter :find_project, :except => [:start]
  before_filter :authorize_global  
  before_filter :authorize_custom      
  
  def index    
    if @project
      @workflow_pages, @workflows = paginate DmsfWorkflow.where(:project_id => @project.id), :per_page => 25    
    else      
      @workflow_pages, @workflows = paginate DmsfWorkflow.where(:project_id => nil), :per_page => 25    
    end
  end
  
  def action        
  end
  
  def new_action
    if params[:commit] == l(:button_submit)
      action = DmsfWorkflowStepAction.new(
        :dmsf_workflow_step_assignment_id => params[:dmsf_workflow_step_assignment_id],
        :action => params[:step_action],
        :note => params[:note])    
      if request.post?
        if action.save
          @workflow.try_finish params[:dmsf_file_revision_id], action, params[:user_id]
          flash[:notice] = l(:notice_successful_update)
        else
          flash[:error] = l(:error_empty_note)
        end
      end        
    end
    redirect_to :back    
  end
  
  def assign    
  end
  
  def assignment
    if params[:commit] == l(:button_submit)
      revision = DmsfFileRevision.find_by_id params[:dmsf_file_revision_id]
      if revision
        revision.set_workflow(params[:dmsf_workflow_id], params[:action])
        revision.assign_workflow(params[:dmsf_workflow_id])
        if request.post? 
          if revision.save
            flash[:notice] = l(:notice_successful_update)
          else
            flash[:error] = l(:error_workflow_assign)
          end
        end
      end    
    end
    redirect_to :back        
  end

  def log
  end
  
  def new   
    @workflow = DmsfWorkflow.new        
  end
  
  def create
    @workflow = DmsfWorkflow.new(:name => params[:dmsf_workflow][:name], :project_id => params[:project_id])
    if request.post? && @workflow.save
      flash[:notice] = l(:notice_successful_create)
      if @project
        redirect_to settings_project_path(@project, :tab => 'dmsf')
      else
        redirect_to dmsf_workflows_path
      end
    else      
      render :action => 'new'
    end
  end
  
  def edit       
  end   
  
  def update    
    if request.put? && @workflow.update_attributes({:name => params[:dmsf_workflow][:name]})
      flash[:notice] = l(:notice_successful_update)
      if @project
        redirect_to settings_project_path(@project, :tab => 'dmsf')
      else
        redirect_to dmsf_workflows_path
      end    
    else      
      render :action => 'edit'
    end
  end
  
  def destroy    
    begin
      @workflow.destroy 
      flash[:notice] = l(:notice_successful_delete)
    rescue
      flash[:error] = l(:error_unable_delete_dmsf_workflow)
    end
    if @project
      redirect_to settings_project_path(@project, :tab => 'dmsf')
    else
      redirect_to dmsf_workflows_path
    end    
  end
  
  def autocomplete_for_user    
    render :layout => false
  end
  
  def add_step     
    if request.post?            
      users = User.find_all_by_id(params[:user_ids])      
      if params[:step] == '0'
        step = @workflow.dmsf_workflow_steps.collect{|s| s.step}.uniq.count + 1        
      else
        step = params[:step].to_i
      end
      operator = (params[:commit] == l(:dmsf_and)) ? DmsfWorkflowStep::OPERATOR_AND : DmsfWorkflowStep::OPERATOR_OR
      users.each do |user|        
        @workflow.dmsf_workflow_steps << DmsfWorkflowStep.new(
          :dmsf_workflow_id => @workflow.id, 
          :step => step, 
          :user_id => user.id, 
          :operator => operator)
      end         
    end             
    respond_to do |format|
      format.html            
    end        
  end
  
  def remove_step        
    if request.delete?      
      DmsfWorkflowStep.where(:dmsf_workflow_id => @workflow.id, :step => params[:step]).each do |ws|
        @workflow.dmsf_workflow_steps.delete(ws)
      end                    
      @workflow.dmsf_workflow_steps.each do |ws|
        n = ws.step.to_i
        if n > params[:step].to_i        
          ws.step = n - 1
          unless ws.save
            flash[:error] = l(:notice_cannot_renumber_steps)
          end
        end
      end      
    end        
    respond_to do |format|
      format.html      
    end
  end
  
  def reorder_steps    
    if request.put?
      unless @workflow.reorder_steps(params[:step].to_i, params[:workflow_step][:move_to])
        flash[:error] = l(:notice_cannot_renumber_steps)
      end     
    end        
    respond_to do |format|
      format.html      
    end
  end
  
  def start
    revision = DmsfFileRevision.find_by_id(params[:dmsf_file_revision_id])
    if revision
      revision.set_workflow(@workflow.id, params[:action])
      if request.post?
        if revision.save
          flash[:notice] = l(:notice_successful_update)
        else
          flash[:error] = l(:notice_cannot_start_workflow)
        end
      end
    end
    redirect_to :back
  end
  
  private    
  
  def find_workflow   
    @workflow = DmsfWorkflow.find_by_id(params[:id])    
  end
    
  def find_project    
    if @workflow && @workflow.project
      @project = @workflow.project
    elsif params[:project_id].present?
       @project = Project.find_by_id params[:project_id]
    end    
  end
  
  def workflows_layout
    find_workflow
    find_project
    @project ? 'base' : 'admin'
  end    
  
  def authorize_custom
    require_admin unless @project
  end
end