jro_apps/redmine Commit - r3554:9ccccb998485

Do not raise an error when destroying a Version with assigned issues....

Jean-Philippe Lang -

r3554:9ccccb998485

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r3554:9ccccb998485

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app/controllers/versions_controller.rb +3 -1

             # redMine - project management software
             # Copyright (C) 2006  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 VersionsController < ApplicationController
               menu_item :roadmap
               model_object Version
               before_filter :find_model_object, :except => [:new, :close_completed]
               before_filter :find_project_from_association, :except => [:new, :close_completed]
               before_filter :find_project, :only => [:new, :close_completed]
               before_filter :authorize
               helper :custom_fields
               helper :projects
               def show
               end
               def new
                 @version = @project.versions.build
                 if params[:version]
                   attributes = params[:version].dup
                   attributes.delete('sharing') unless attributes.nil? || @version.allowed_sharings.include?(attributes['sharing'])
                   @version.attributes = attributes
                 end
                 if request.post?
                   if @version.save
                     respond_to do |format|
                       format.html do
                         flash[:notice] = l(:notice_successful_create)
                         redirect_to :controller => 'projects', :action => 'settings', :tab => 'versions', :id => @project
                       end
                       format.js do
                         # IE doesn't support the replace_html rjs method for select box options
                         render(:update) {|page| page.replace "issue_fixed_version_id",
                           content_tag('select', '<option></option>' + version_options_for_select(@project.shared_versions.open, @version), :id => 'issue_fixed_version_id', :name => 'issue[fixed_version_id]')
                         }
                       end
                     end
                   else
                     respond_to do |format|
                       format.html
                       format.js do
                         render(:update) {|page| page.alert(@version.errors.full_messages.join('\n')) }
                       end
                     end
                   end
                 end
               end
               def edit
                 if request.post? && params[:version]
                   attributes = params[:version].dup
                   attributes.delete('sharing') unless @version.allowed_sharings.include?(attributes['sharing'])
                   if @version.update_attributes(attributes)
                     flash[:notice] = l(:notice_successful_update)
                     redirect_to :controller => 'projects', :action => 'settings', :tab => 'versions', :id => @project
                   end
                 end
               end
               def close_completed
                 if request.post?
                   @project.close_completed_versions
                 end
                 redirect_to :controller => 'projects', :action => 'settings', :tab => 'versions', :id => @project
               end
               def destroy
+                if @version.fixed_issues.empty?
                   @version.destroy
                   redirect_to :controller => 'projects', :action => 'settings', :tab => 'versions', :id => @project
-              rescue
+                else
                   flash[:error] = l(:notice_unable_delete_version)
                   redirect_to :controller => 'projects', :action => 'settings', :tab => 'versions', :id => @project
                 end
+              end
               def status_by
                 respond_to do |format|
                   format.html { render :action => 'show' }
                   format.js { render(:update) {|page| page.replace_html 'status_by', render_issue_status_by(@version, params[:status_by])} }
                 end
               end
             private
               def find_project
                 @project = Project.find(params[:project_id])
               rescue ActiveRecord::RecordNotFound
                 render_404
               end
             end

app/models/version.rb +3 -7

-            # redMine - project management software
+            # Redmine - project management software
-            # Copyright (C) 2006  Jean-Philippe Lang
+            # Copyright (C) 2006-2010  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 Version < ActiveRecord::Base
-              before_destroy :check_integrity
               after_update :update_issues_from_sharing_change
               belongs_to :project
-              has_many :fixed_issues, :class_name => 'Issue', :foreign_key => 'fixed_version_id'
+              has_many :fixed_issues, :class_name => 'Issue', :foreign_key => 'fixed_version_id', :dependent => :nullify
               acts_as_customizable
               acts_as_attachable :view_permission => :view_files,
                                  :delete_permission => :manage_files
               VERSION_STATUSES = %w(open locked closed)
               VERSION_SHARINGS = %w(none descendants hierarchy tree system)
               validates_presence_of :name
               validates_uniqueness_of :name, :scope => [:project_id]
               validates_length_of :name, :maximum => 60
               validates_format_of :effective_date, :with => /^\d{4}-\d{2}-\d{2}$/, :message => :not_a_date, :allow_nil => true
               validates_inclusion_of :status, :in => VERSION_STATUSES
               validates_inclusion_of :sharing, :in => VERSION_SHARINGS
               named_scope :open, :conditions => {:status => 'open'}
               named_scope :visible, lambda {|*args| { :include => :project,
                                                       :conditions => Project.allowed_to_condition(args.first || User.current, :view_issues) } }
               # Returns true if +user+ or current user is allowed to view the version
               def visible?(user=User.current)
                 user.allowed_to?(:view_issues, self.project)
               end
               def start_date
                 effective_date
               end
               def due_date
                 effective_date
               end
               # Returns the total estimated time for this version
               # (sum of leaves estimated_hours)
               def estimated_hours
                 @estimated_hours ||= fixed_issues.leaves.sum(:estimated_hours).to_f
               end
               # Returns the total reported time for this version
               def spent_hours
                 @spent_hours ||= TimeEntry.sum(:hours, :include => :issue, :conditions => ["#{Issue.table_name}.fixed_version_id = ?", id]).to_f
               end
               def closed?
                 status == 'closed'
               end
               def open?
                 status == 'open'
               end
               # Returns true if the version is completed: due date reached and no open issues
               def completed?
                 effective_date && (effective_date <= Date.today) && (open_issues_count == 0)
               end
               # Returns the completion percentage of this version based on the amount of open/closed issues
               # and the time spent on the open issues.
               def completed_pourcent
                 if issues_count == 0
                 elsif open_issues_count == 0
                 else
                   issues_progress(false) + issues_progress(true)
                 end
               end
               # Returns the percentage of issues that have been marked as 'closed'.
               def closed_pourcent
                 if issues_count == 0
                 else
                   issues_progress(false)
                 end
               end
               # Returns true if the version is overdue: due date reached and some open issues
               def overdue?
                 effective_date && (effective_date < Date.today) && (open_issues_count > 0)
               end
               # Returns assigned issues count
               def issues_count
                 @issue_count ||= fixed_issues.count
               end
               # Returns the total amount of open issues for this version.
               def open_issues_count
                 @open_issues_count ||= Issue.count(:all, :conditions => ["fixed_version_id = ? AND is_closed = ?", self.id, false], :include => :status)
               end
               # Returns the total amount of closed issues for this version.
               def closed_issues_count
                 @closed_issues_count ||= Issue.count(:all, :conditions => ["fixed_version_id = ? AND is_closed = ?", self.id, true], :include => :status)
               end
               def wiki_page
                 if project.wiki && !wiki_page_title.blank?
                   @wiki_page ||= project.wiki.find_page(wiki_page_title)
                 end
                 @wiki_page
               end
               def to_s; name end
               # Versions are sorted by effective_date and name
               # Those with no effective_date are at the end, sorted by name
               def <=>(version)
                 if self.effective_date
                   version.effective_date ? (self.effective_date == version.effective_date ? self.name <=> version.name : self.effective_date <=> version.effective_date) : -1
                 else
                   version.effective_date ? 1 : (self.name <=> version.name)
                 end
               end
               # Returns the sharings that +user+ can set the version to
               def allowed_sharings(user = User.current)
                 VERSION_SHARINGS.select do |s|
                   if sharing == s
                     true
                   else
                     case s
                     when 'system'
                       # Only admin users can set a systemwide sharing
                       user.admin?
                     when 'hierarchy', 'tree'
                       # Only users allowed to manage versions of the root project can
                       # set sharing to hierarchy or tree
                       project.nil? || user.allowed_to?(:manage_versions, project.root)
                     else
                       true
                     end
                   end
                 end
               end
               private
-              def check_integrity
-                raise "Can't delete version" if self.fixed_issues.find(:first)
-              end
               # Update the issue's fixed versions. Used if a version's sharing changes.
               def update_issues_from_sharing_change
                 if sharing_changed?
                   if VERSION_SHARINGS.index(sharing_was).nil? ||
                       VERSION_SHARINGS.index(sharing).nil? ||
                       VERSION_SHARINGS.index(sharing_was) > VERSION_SHARINGS.index(sharing)
                     Issue.update_versions_from_sharing_change self
                   end
                 end
               end
               # Returns the average estimated time of assigned issues
               # or 1 if no issue has an estimated time
               # Used to weigth unestimated issues in progress calculation
               def estimated_average
                 if @estimated_average.nil?
                   average = fixed_issues.average(:estimated_hours).to_f
                   if average == 0
                     average = 1
                   end
                   @estimated_average = average
                 end
                 @estimated_average
               end
               # Returns the total progress of open or closed issues.  The returned percentage takes into account
               # the amount of estimated time set for this version.
               #
               # Examples:
               # issues_progress(true)   => returns the progress percentage for open issues.
               # issues_progress(false)  => returns the progress percentage for closed issues.
               def issues_progress(open)
                 @issues_progress ||= {}
                 @issues_progress[open] ||= begin
                   progress = 0
                   if issues_count > 0
                     ratio = open ? 'done_ratio' : 100
                     done = fixed_issues.sum("COALESCE(estimated_hours, #{estimated_average}) * #{ratio}",
                                               :include => :status,
                                               :conditions => ["is_closed = ?", !open]).to_f
                     progress = done / (estimated_average * issues_count)
                   end
                   progress
                 end
               end
             end

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