422 lines
9.5 KiB
Perl
422 lines
9.5 KiB
Perl
package WebGUI::Workflow::Activity;
|
|
|
|
|
|
=head1 LEGAL
|
|
|
|
-------------------------------------------------------------------
|
|
WebGUI is Copyright 2001-2008 Plain Black Corporation.
|
|
-------------------------------------------------------------------
|
|
Please read the legal notices (docs/legal.txt) and the license
|
|
(docs/license.txt) that came with this distribution before using
|
|
this software.
|
|
-------------------------------------------------------------------
|
|
http://www.plainblack.com info@plainblack.com
|
|
-------------------------------------------------------------------
|
|
|
|
=cut
|
|
|
|
use strict;
|
|
use WebGUI::HTMLForm;
|
|
use WebGUI::Pluggable;
|
|
|
|
=head1 NAME
|
|
|
|
Package WebGUI::Workflow::Activity
|
|
|
|
=head1 DESCRIPTION
|
|
|
|
This package provides the base class for workflow activities.
|
|
|
|
=head1 SYNOPSIS
|
|
|
|
use WebGUI::Workflow::Activity;
|
|
|
|
=head1 CONSTANTS
|
|
|
|
The following constants are available from this package.
|
|
|
|
=head2 COMPLETE
|
|
|
|
A constant to be sent to Spectre informing it that this activity completed successfully.
|
|
|
|
=cut
|
|
|
|
sub COMPLETE { return "complete" };
|
|
|
|
=head2 ERROR
|
|
|
|
A constant to be sent to Spectre informing it that this activity did not execute properly due to some error.
|
|
|
|
=cut
|
|
|
|
sub ERROR { return "error" };
|
|
|
|
=head2 WAITING
|
|
|
|
A constant to be sent to Spectre informing it that this actiivty is
|
|
waiting for some other event to be triggered. This is also used for
|
|
long running activities to be released by Spectre and to be requeued.
|
|
|
|
=cut
|
|
|
|
sub WAITING { return "waiting" };
|
|
|
|
=head1 METHODS
|
|
|
|
These methods are available from this class:
|
|
|
|
=cut
|
|
|
|
#-------------------------------------------------------------------
|
|
|
|
=head2 create ( session, workflowId [, id, classname ] )
|
|
|
|
Creates a new instance of this activity in a workflow.
|
|
|
|
=head3 session
|
|
|
|
A reference to the current session.
|
|
|
|
=head3 workflowId
|
|
|
|
The unique id of the workflow to attach this activity to.
|
|
|
|
=head3 id
|
|
|
|
Normally an ID will be generated for you, but if you want to override this and provide your own 22 character id, then you can specify it here.
|
|
|
|
=head3 classname
|
|
|
|
The classname of the activity you wish to create.
|
|
|
|
=cut
|
|
|
|
sub create {
|
|
my $class = shift;
|
|
my $session = shift;
|
|
my $workflowId = shift;
|
|
my $id = shift;
|
|
my $classname = shift;
|
|
my ($sequenceNumber) = $session->db->quickArray("select max(sequenceNumber) from WorkflowActivity where workflowId=?", [$workflowId]);
|
|
$sequenceNumber++;
|
|
my $activityId = $session->db->setRow("WorkflowActivity","activityId", {
|
|
sequenceNumber=>$sequenceNumber,
|
|
activityId=>"new",
|
|
className=>$classname || $class,
|
|
workflowId=>$workflowId
|
|
}, $id);
|
|
return $class->new($session, $activityId, $classname);
|
|
}
|
|
|
|
#-------------------------------------------------------------------
|
|
|
|
=head2 definition ( session, definition )
|
|
|
|
Sets up the parameters of the activity for use in forms in the workflow editor. This is a class method.
|
|
|
|
=head3 session
|
|
|
|
A reference to the current session.
|
|
|
|
=head3 definition
|
|
|
|
An array reference containing a list of hash hreferences of properties.
|
|
|
|
=cut
|
|
|
|
sub definition {
|
|
my $class = shift;
|
|
my $session = shift;
|
|
my $definition = shift || [];
|
|
my $i18n = WebGUI::International->new($session, "Workflow_Activity");
|
|
push (@{$definition}, {
|
|
name=>$i18n->get("topicName"),
|
|
properties=>{
|
|
title=>{
|
|
fieldType=>"text",
|
|
defaultValue=>"Untitled",
|
|
label=>$i18n->get("title"),
|
|
hoverHelp=>$i18n->get("title help")
|
|
},
|
|
description=>{
|
|
fieldType=>"textarea",
|
|
defaultValue=>undef,
|
|
label=>$i18n->get("description"),
|
|
hoverHelp=>$i18n->get("description help")
|
|
}
|
|
}
|
|
});
|
|
return $definition;
|
|
}
|
|
|
|
#-------------------------------------------------------------------
|
|
|
|
=head2 delete ( )
|
|
|
|
Removes this activity from its workflow.
|
|
|
|
=cut
|
|
|
|
sub delete {
|
|
my $self = shift;
|
|
my $sth = $self->session->db->prepare("delete from WorkflowActivityData where activityId=?");
|
|
$sth->execute([$self->getId]);
|
|
$self->session->db->deleteRow("WorkflowActivity","activityId",$self->getId);
|
|
undef $self;
|
|
}
|
|
|
|
#-------------------------------------------------------------------
|
|
|
|
=head2 DESTROY ( )
|
|
|
|
Deconstructor.
|
|
|
|
=cut
|
|
|
|
sub DESTROY {
|
|
my $self = shift;
|
|
undef $self;
|
|
}
|
|
|
|
|
|
#-------------------------------------------------------------------
|
|
|
|
=head2 execute ( object, instance )
|
|
|
|
This method will be called during workflow operation. It needs to be mutated by the sub classes.
|
|
|
|
=head2 object
|
|
|
|
A reference to some object that will be passed in to this activity for an action to be taken on it.
|
|
|
|
=head2 instance
|
|
|
|
A reference to the workflow instance object.
|
|
|
|
=cut
|
|
|
|
sub execute {
|
|
my $self = shift;
|
|
my $object = shift;
|
|
my $instance = shift;
|
|
return 1;
|
|
}
|
|
|
|
|
|
#-------------------------------------------------------------------
|
|
|
|
=head2 get ( name )
|
|
|
|
Returns the value for a given property.
|
|
|
|
=cut
|
|
|
|
sub get {
|
|
my $self = shift;
|
|
my $name = shift;
|
|
return $self->{_data}{$name};
|
|
}
|
|
|
|
#-------------------------------------------------------------------
|
|
|
|
=head2 getEditForm ( )
|
|
|
|
Returns the form that will be used to edit the properties of an activity.
|
|
|
|
=cut
|
|
|
|
sub getEditForm {
|
|
my $self = shift;
|
|
my $form = WebGUI::HTMLForm->new($self->session);
|
|
$form->submit;
|
|
$form->hidden(name=>"activityId", value=>$self->getId);
|
|
$form->hidden(name=>"className", value=>$self->get("className"));
|
|
my $fullDefinition = $self->definition($self->session);
|
|
$form->dynamicForm($fullDefinition, "properties", $self);
|
|
return $form;
|
|
}
|
|
|
|
#-------------------------------------------------------------------
|
|
|
|
=head2 getId ( )
|
|
|
|
Returns the ID of this instance.
|
|
|
|
=cut
|
|
|
|
sub getId {
|
|
my $self = shift;
|
|
return $self->{_id};
|
|
}
|
|
|
|
#-------------------------------------------------------------------
|
|
|
|
=head2 getName ( )
|
|
|
|
Returns the name of the activity.
|
|
|
|
=cut
|
|
|
|
sub getName {
|
|
my $self = shift;
|
|
my $definition = $self->definition($self->session);
|
|
return $definition->[0]{name};
|
|
}
|
|
|
|
#-------------------------------------------------------------------
|
|
|
|
=head2 getTTL ( )
|
|
|
|
Returns the maximum amount of time, in seconds, that a Workflow
|
|
Activity should run. Currently 55 seconds.
|
|
|
|
=cut
|
|
|
|
sub getTTL {
|
|
return 55;
|
|
}
|
|
|
|
#-------------------------------------------------------------------
|
|
|
|
=head2 new ( session, activityId )
|
|
|
|
Constructor.
|
|
|
|
=head3 session
|
|
|
|
A reference to the current session.
|
|
|
|
=head3 activityId
|
|
|
|
A unique id refering to an instance of an activity.
|
|
|
|
=cut
|
|
|
|
sub new {
|
|
my $class = shift;
|
|
my $session = shift;
|
|
my $activityId = shift;
|
|
my $main = $session->db->getRow("WorkflowActivity","activityId", $activityId);
|
|
return undef unless $main->{activityId};
|
|
$class = $main->{className};
|
|
eval { WebGUI::Pluggable::load($class) };
|
|
if ($@) {
|
|
$session->errorHandler->error($@);
|
|
return undef;
|
|
}
|
|
my $sub = $session->db->buildHashRef("select name,value from WorkflowActivityData where activityId=?",[$activityId]);
|
|
my %data = (%{$main}, %{$sub});
|
|
for my $definition (reverse @{$class->definition($session)}) {
|
|
for my $property (keys %{$definition->{properties}}) {
|
|
if(!defined $data{$property} || $data{$property} eq '' && $definition->{properties}{$property}{defaultValue}) {
|
|
$data{$property} = $definition->{properties}{$property}{defaultValue};
|
|
}
|
|
}
|
|
}
|
|
bless {_session=>$session, _id=>$activityId, _data=>\%data}, $class;
|
|
}
|
|
|
|
#-------------------------------------------------------------------
|
|
|
|
=head2 newByPropertyHashRef ( session, properties )
|
|
|
|
Constructor.
|
|
|
|
=head3 session
|
|
|
|
A reference to the current session.
|
|
|
|
=head3 properties
|
|
|
|
A properties hash reference. The className of the properties hash must be valid.
|
|
|
|
=cut
|
|
|
|
sub newByPropertyHashRef {
|
|
my $class = shift;
|
|
my $session = shift;
|
|
my $properties = shift;
|
|
return undef unless defined $properties;
|
|
return undef unless exists $properties->{className};
|
|
my $className = $properties->{className};
|
|
eval { WebGUI::Pluggable::load($class) };
|
|
if ($@) {
|
|
$session->errorHandler->error($@);
|
|
return undef;
|
|
}
|
|
bless {_session=>$session, _id=>$properties->{activityId}, _data => $properties}, $className;
|
|
}
|
|
|
|
#-------------------------------------------------------------------
|
|
|
|
=head2 processPropertiesFromFormPost ( )
|
|
|
|
Updates activity with data from Form.
|
|
|
|
=cut
|
|
|
|
sub processPropertiesFromFormPost {
|
|
my $self = shift;
|
|
my %data;
|
|
my $fullDefinition = $self->definition($self->session);
|
|
foreach my $definition (@{$fullDefinition}) {
|
|
foreach my $property (keys %{$definition->{properties}}) {
|
|
$data{$property} = $self->session->form->process(
|
|
$property,
|
|
$definition->{properties}{$property}{fieldType},
|
|
$definition->{properties}{$property}{defaultValue}
|
|
);
|
|
}
|
|
}
|
|
$data{title} = $fullDefinition->[0]{name} if ($data{title} eq "" || lc($data{title}) eq "untitled");
|
|
foreach my $key (keys %data) {
|
|
$self->set($key, $data{$key});
|
|
}
|
|
}
|
|
|
|
#-------------------------------------------------------------------
|
|
|
|
=head2 session ( )
|
|
|
|
Returns a reference to the current session.
|
|
|
|
=cut
|
|
|
|
sub session {
|
|
my $self = shift;
|
|
return $self->{_session};
|
|
}
|
|
|
|
#-------------------------------------------------------------------
|
|
|
|
=head2 set ( name , value )
|
|
|
|
Sets a variable for this activity.
|
|
|
|
=head3 name
|
|
|
|
The name of the variable to set.
|
|
|
|
=head3 value
|
|
|
|
The value of the variable.
|
|
|
|
=cut
|
|
|
|
sub set {
|
|
my $self = shift;
|
|
my $name = shift;
|
|
my $value = shift;
|
|
$self->{_data}{$name} = $value;
|
|
if ($name eq "title" || $name eq "description") {
|
|
$self->session->db->setRow("WorkflowActivity","activityId",{ activityId=>$self->getId, title=>$self->get("title"), description=>$self->get("description")});
|
|
} else {
|
|
my $sth = $self->session->db->prepare("replace into WorkflowActivityData (activityId, name, value) values (?,?,?)");
|
|
$sth->execute([$self->getId, $name, $value]);
|
|
}
|
|
}
|
|
|
|
|
|
1;
|
|
|
|
|