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+# BEGIN BPS TAGGED BLOCK {{{
+#
+# COPYRIGHT:
+#
+# This software is Copyright (c) 1996-2009 Best Practical Solutions, LLC
+# <jesse@bestpractical.com>
+#
+# (Except where explicitly superseded by other copyright notices)
+#
+#
+# LICENSE:
+#
+# This work is made available to you under the terms of Version 2 of
+# the GNU General Public License. A copy of that license should have
+# been provided with this software, but in any event can be snarfed
+# from www.gnu.org.
+#
+# This work 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 or visit their web page on the internet at
+# http://www.gnu.org/licenses/old-licenses/gpl-2.0.html.
+#
+#
+# CONTRIBUTION SUBMISSION POLICY:
+#
+# (The following paragraph is not intended to limit the rights granted
+# to you to modify and distribute this software under the terms of
+# the GNU General Public License and is only of importance to you if
+# you choose to contribute your changes and enhancements to the
+# community by submitting them to Best Practical Solutions, LLC.)
+#
+# By intentionally submitting any modifications, corrections or
+# derivatives to this work, or any other work intended for use with
+# Request Tracker, to Best Practical Solutions, LLC, you confirm that
+# you are the copyright holder for those contributions and you grant
+# Best Practical Solutions, LLC a nonexclusive, worldwide, irrevocable,
+# royalty-free, perpetual, license to use, copy, create derivative
+# works based on those contributions, and sublicense and distribute
+# those contributions and any derivatives thereof.
+#
+# END BPS TAGGED BLOCK }}}
+
+package RT::CustomField;
+
+use strict;
+no warnings qw(redefine);
+
+use RT::CustomFieldValues;
+use RT::ObjectCustomFields;
+use RT::ObjectCustomFieldValues;
+
+
+our %FieldTypes = (
+ Select => [
+ 'Select multiple values', # loc
+ 'Select one value', # loc
+ 'Select up to [_1] values', # loc
+ ],
+ Freeform => [
+ 'Enter multiple values', # loc
+ 'Enter one value', # loc
+ 'Enter up to [_1] values', # loc
+ ],
+ Text => [
+ 'Fill in multiple text areas', # loc
+ 'Fill in one text area', # loc
+ 'Fill in up to [_1] text areas',# loc
+ ],
+ Wikitext => [
+ 'Fill in multiple wikitext areas', # loc
+ 'Fill in one wikitext area', # loc
+ 'Fill in up to [_1] wikitext areas',# loc
+ ],
+ Image => [
+ 'Upload multiple images', # loc
+ 'Upload one image', # loc
+ 'Upload up to [_1] images', # loc
+ ],
+ Binary => [
+ 'Upload multiple files', # loc
+ 'Upload one file', # loc
+ 'Upload up to [_1] files', # loc
+ ],
+ Combobox => [
+ 'Combobox: Select or enter multiple values', # loc
+ 'Combobox: Select or enter one value', # loc
+ 'Combobox: Select or enter up to [_1] values', # loc
+ ],
+ Autocomplete => [
+ 'Enter multiple values with autocompletion', # loc
+ 'Enter one value with autocompletion', # loc
+ 'Enter up to [_1] values with autocompletion', # loc
+ ],
+ Date => [
+ 'Select multiple dates', # loc
+ 'Select date', # loc
+ 'Select up to [_1] dates', # loc
+ ],
+);
+
+
+our %FRIENDLY_OBJECT_TYPES = ();
+
+RT::CustomField->_ForObjectType( 'RT::Queue-RT::Ticket' => "Tickets", ); #loc
+RT::CustomField->_ForObjectType(
+ 'RT::Queue-RT::Ticket-RT::Transaction' => "Ticket Transactions", ); #loc
+RT::CustomField->_ForObjectType( 'RT::User' => "Users", ); #loc
+RT::CustomField->_ForObjectType( 'RT::Queue' => "Queues", ); #loc
+RT::CustomField->_ForObjectType( 'RT::Group' => "Groups", ); #loc
+
+our $RIGHTS = {
+ SeeCustomField => 'See custom fields', # loc_pair
+ AdminCustomField => 'Create, delete and modify custom fields', # loc_pair
+ ModifyCustomField => 'Add, delete and modify custom field values for objects' #loc_pair
+};
+
+# Tell RT::ACE that this sort of object can get acls granted
+$RT::ACE::OBJECT_TYPES{'RT::CustomField'} = 1;
+
+foreach my $right ( keys %{$RIGHTS} ) {
+ $RT::ACE::LOWERCASERIGHTNAMES{ lc $right } = $right;
+}
+
+=head2 AddRights C<RIGHT>, C<DESCRIPTION> [, ...]
+
+Adds the given rights to the list of possible rights. This method
+should be called during server startup, not at runtime.
+
+=cut
+
+sub AddRights {
+ my $self = shift;
+ my %new = @_;
+ $RIGHTS = { %$RIGHTS, %new };
+ %RT::ACE::LOWERCASERIGHTNAMES = ( %RT::ACE::LOWERCASERIGHTNAMES,
+ map { lc($_) => $_ } keys %new);
+}
+
+sub AvailableRights {
+ my $self = shift;
+ return $RIGHTS;
+}
+
+=head1 NAME
+
+ RT::CustomField_Overlay - overlay for RT::CustomField
+
+=head1 DESCRIPTION
+
+=head1 'CORE' METHODS
+
+=head2 Create PARAMHASH
+
+Create takes a hash of values and creates a row in the database:
+
+ varchar(200) 'Name'.
+ varchar(200) 'Type'.
+ int(11) 'MaxValues'.
+ varchar(255) 'Pattern'.
+ smallint(6) 'Repeated'.
+ varchar(255) 'Description'.
+ int(11) 'SortOrder'.
+ varchar(255) 'LookupType'.
+ smallint(6) 'Disabled'.
+
+C<LookupType> is generally the result of either
+C<RT::Ticket->CustomFieldLookupType> or C<RT::Transaction->CustomFieldLookupType>.
+
+=cut
+
+sub Create {
+ my $self = shift;
+ my %args = (
+ Name => '',
+ Type => '',
+ MaxValues => 0,
+ Pattern => '',
+ Description => '',
+ Disabled => 0,
+ LookupType => '',
+ Repeated => 0,
+ LinkValueTo => '',
+ IncludeContentForValue => '',
+ @_,
+ );
+
+ unless ( $self->CurrentUser->HasRight(Object => $RT::System, Right => 'AdminCustomField') ) {
+ return (0, $self->loc('Permission Denied'));
+ }
+
+ if ( $args{TypeComposite} ) {
+ @args{'Type', 'MaxValues'} = split(/-/, $args{TypeComposite}, 2);
+ }
+ elsif ( $args{Type} =~ s/(?:(Single)|Multiple)$// ) {
+ # old style Type string
+ $args{'MaxValues'} = $1 ? 1 : 0;
+ }
+ $args{'MaxValues'} = int $args{'MaxValues'};
+
+ if ( !exists $args{'Queue'}) {
+ # do nothing -- things below are strictly backward compat
+ }
+ elsif ( ! $args{'Queue'} ) {
+ unless ( $self->CurrentUser->HasRight( Object => $RT::System, Right => 'AssignCustomFields') ) {
+ return ( 0, $self->loc('Permission Denied') );
+ }
+ $args{'LookupType'} = 'RT::Queue-RT::Ticket';
+ }
+ else {
+ my $queue = RT::Queue->new($self->CurrentUser);
+ $queue->Load($args{'Queue'});
+ unless ($queue->Id) {
+ return (0, $self->loc("Queue not found"));
+ }
+ unless ( $queue->CurrentUserHasRight('AssignCustomFields') ) {
+ return ( 0, $self->loc('Permission Denied') );
+ }
+ $args{'LookupType'} = 'RT::Queue-RT::Ticket';
+ $args{'Queue'} = $queue->Id;
+ }
+
+ my ($ok, $msg) = $self->_IsValidRegex( $args{'Pattern'} );
+ return (0, $self->loc("Invalid pattern: [_1]", $msg)) unless $ok;
+
+ if ( $args{'MaxValues'} != 1 && $args{'Type'} =~ /(text|combobox)$/i ) {
+ $RT::Logger->warning("Support for 'multiple' Texts or Comboboxes is not implemented");
+ $args{'MaxValues'} = 1;
+ }
+
+ (my $rv, $msg) = $self->SUPER::Create(
+ Name => $args{'Name'},
+ Type => $args{'Type'},
+ MaxValues => $args{'MaxValues'},
+ Pattern => $args{'Pattern'},
+ Description => $args{'Description'},
+ Disabled => $args{'Disabled'},
+ LookupType => $args{'LookupType'},
+ Repeated => $args{'Repeated'},
+ );
+
+ if ( exists $args{'LinkValueTo'}) {
+ $self->SetLinkValueTo($args{'LinkValueTo'});
+ }
+
+ if ( exists $args{'IncludeContentForValue'}) {
+ $self->SetIncludeContentForValue($args{'IncludeContentForValue'});
+ }
+
+ if ( exists $args{'ValuesClass'} ) {
+ $self->SetValuesClass( $args{'ValuesClass'} );
+ }
+
+ if ( exists $args{'BasedOn'} ) {
+ $self->SetBasedOn( $args{'BasedOn'} );
+ }
+
+ return ($rv, $msg) unless exists $args{'Queue'};
+
+ # Compat code -- create a new ObjectCustomField mapping
+ my $OCF = RT::ObjectCustomField->new( $self->CurrentUser );
+ $OCF->Create(
+ CustomField => $self->Id,
+ ObjectId => $args{'Queue'},
+ );
+
+ return ($rv, $msg);
+}
+
+=head2 Load ID/NAME
+
+Load a custom field. If the value handed in is an integer, load by custom field ID. Otherwise, Load by name.
+
+=cut
+
+sub Load {
+ my $self = shift;
+ my $id = shift || '';
+
+ if ( $id =~ /^\d+$/ ) {
+ return $self->SUPER::Load( $id );
+ } else {
+ return $self->LoadByName( Name => $id );
+ }
+}
+
+
+# {{{ sub LoadByName
+
+=head2 LoadByName (Queue => QUEUEID, Name => NAME)
+
+Loads the Custom field named NAME.
+
+Will load a Disabled Custom Field even if there is a non-disabled Custom Field
+with the same Name.
+
+If a Queue parameter is specified, only look for ticket custom fields tied to that Queue.
+
+If the Queue parameter is '0', look for global ticket custom fields.
+
+If no queue parameter is specified, look for any and all custom fields with this name.
+
+BUG/TODO, this won't let you specify that you only want user or group CFs.
+
+=cut
+
+# Compatibility for API change after 3.0 beta 1
+*LoadNameAndQueue = \&LoadByName;
+# Change after 3.4 beta.
+*LoadByNameAndQueue = \&LoadByName;
+
+sub LoadByName {
+ my $self = shift;
+ my %args = (
+ Queue => undef,
+ Name => undef,
+ @_,
+ );
+
+ unless ( defined $args{'Name'} && length $args{'Name'} ) {
+ $RT::Logger->error("Couldn't load Custom Field without Name");
+ return wantarray ? (0, $self->loc("No name provided")) : 0;
+ }
+
+ # if we're looking for a queue by name, make it a number
+ if ( defined $args{'Queue'} && $args{'Queue'} =~ /\D/ ) {
+ my $QueueObj = RT::Queue->new( $self->CurrentUser );
+ $QueueObj->Load( $args{'Queue'} );
+ $args{'Queue'} = $QueueObj->Id;
+ }
+
+ # XXX - really naive implementation. Slow. - not really. still just one query
+
+ my $CFs = RT::CustomFields->new( $self->CurrentUser );
+ $CFs->SetContextObject( $self->ContextObject );
+ my $field = $args{'Name'} =~ /\D/? 'Name' : 'id';
+ $CFs->Limit( FIELD => $field, VALUE => $args{'Name'}, CASESENSITIVE => 0);
+ # Don't limit to queue if queue is 0. Trying to do so breaks
+ # RT::Group type CFs.
+ if ( defined $args{'Queue'} ) {
+ $CFs->LimitToQueue( $args{'Queue'} );
+ }
+
+ # When loading by name, we _can_ load disabled fields, but prefer
+ # non-disabled fields.
+ $CFs->FindAllRows;
+ $CFs->OrderByCols(
+ { FIELD => "Disabled", ORDER => 'ASC' },
+ );
+
+ # We only want one entry.
+ $CFs->RowsPerPage(1);
+
+ # version before 3.8 just returns 0, so we need to test if wantarray to be
+ # backward compatible.
+ return wantarray ? (0, $self->loc("Not found")) : 0 unless my $first = $CFs->First;
+
+ return $self->LoadById( $first->id );
+}
+
+# }}}
+
+# {{{ Dealing with custom field values
+
+
+=head2 Custom field values
+
+=head3 Values FIELD
+
+Return a object (collection) of all acceptable values for this Custom Field.
+Class of the object can vary and depends on the return value
+of the C<ValuesClass> method.
+
+=cut
+
+*ValuesObj = \&Values;
+
+sub Values {
+ my $self = shift;
+
+ my $class = $self->ValuesClass || 'RT::CustomFieldValues';
+ eval "require $class" or die "$@";
+ my $cf_values = $class->new( $self->CurrentUser );
+ # if the user has no rights, return an empty object
+ if ( $self->id && $self->CurrentUserHasRight( 'SeeCustomField') ) {
+ $cf_values->LimitToCustomField( $self->Id );
+ }
+ return ($cf_values);
+}
+
+# {{{ AddValue
+
+=head3 AddValue HASH
+
+Create a new value for this CustomField. Takes a paramhash containing the elements Name, Description and SortOrder
+
+=cut
+
+sub AddValue {
+ my $self = shift;
+ my %args = @_;
+
+ unless ($self->CurrentUserHasRight('AdminCustomField')) {
+ return (0, $self->loc('Permission Denied'));
+ }
+
+ # allow zero value
+ if ( !defined $args{'Name'} || $args{'Name'} eq '' ) {
+ return (0, $self->loc("Can't add a custom field value without a name"));
+ }
+
+ my $newval = RT::CustomFieldValue->new( $self->CurrentUser );
+ return $newval->Create( %args, CustomField => $self->Id );
+}
+
+
+# }}}
+
+# {{{ DeleteValue
+
+=head3 DeleteValue ID
+
+Deletes a value from this custom field by id.
+
+Does not remove this value for any article which has had it selected
+
+=cut
+
+sub DeleteValue {
+ my $self = shift;
+ my $id = shift;
+ unless ( $self->CurrentUserHasRight('AdminCustomField') ) {
+ return (0, $self->loc('Permission Denied'));
+ }
+
+ my $val_to_del = RT::CustomFieldValue->new( $self->CurrentUser );
+ $val_to_del->Load( $id );
+ unless ( $val_to_del->Id ) {
+ return (0, $self->loc("Couldn't find that value"));
+ }
+ unless ( $val_to_del->CustomField == $self->Id ) {
+ return (0, $self->loc("That is not a value for this custom field"));
+ }
+
+ my $retval = $val_to_del->Delete;
+ unless ( $retval ) {
+ return (0, $self->loc("Custom field value could not be deleted"));
+ }
+ return ($retval, $self->loc("Custom field value deleted"));
+}
+
+# }}}
+
+
+=head2 ValidateQueue Queue
+
+Make sure that the queue specified is a valid queue name
+
+=cut
+
+sub ValidateQueue {
+ my $self = shift;
+ my $id = shift;
+
+ return undef unless defined $id;
+ # 0 means "Global" null would _not_ be ok.
+ return 1 if $id eq '0';
+
+ my $q = RT::Queue->new( $RT::SystemUser );
+ $q->Load( $id );
+ return undef unless $q->id;
+ return 1;
+}
+
+
+# {{{ Types
+
+=head2 Types
+
+Retuns an array of the types of CustomField that are supported
+
+=cut
+
+sub Types {
+ return (keys %FieldTypes);
+}
+
+# }}}
+
+# {{{ IsSelectionType
+
+=head2 IsSelectionType
+
+Retuns a boolean value indicating whether the C<Values> method makes sense
+to this Custom Field.
+
+=cut
+
+sub IsSelectionType {
+ my $self = shift;
+ my $type = @_? shift : $self->Type;
+ return undef unless $type;
+
+ $type =~ /(?:Select|Combobox|Autocomplete)/;
+}
+
+# }}}
+
+
+=head2 IsExternalValues
+
+=cut
+
+sub IsExternalValues {
+ my $self = shift;
+ my $selectable = $self->IsSelectionType( @_ );
+ return $selectable unless $selectable;
+
+ my $class = $self->ValuesClass;
+ return 0 if $class eq 'RT::CustomFieldValues';
+ return 1;
+}
+
+sub ValuesClass {
+ my $self = shift;
+ return '' unless $self->IsSelectionType;
+
+ my $class = $self->FirstAttribute( 'ValuesClass' );
+ $class = $class->Content if $class;
+ return $class || 'RT::CustomFieldValues';
+}
+
+sub SetValuesClass {
+ my $self = shift;
+ my $class = shift || 'RT::CustomFieldValues';
+
+ if( $class eq 'RT::CustomFieldValues' ) {
+ return $self->DeleteAttribute( 'ValuesClass' );
+ }
+ return $self->SetAttribute( Name => 'ValuesClass', Content => $class );
+}
+
+
+=head2 FriendlyType [TYPE, MAX_VALUES]
+
+Returns a localized human-readable version of the custom field type.
+If a custom field type is specified as the parameter, the friendly type for that type will be returned
+
+=cut
+
+sub FriendlyType {
+ my $self = shift;
+
+ my $type = @_ ? shift : $self->Type;
+ my $max = @_ ? shift : $self->MaxValues;
+ $max = 0 unless $max;
+
+ if (my $friendly_type = $FieldTypes{$type}[$max>2 ? 2 : $max]) {
+ return ( $self->loc( $friendly_type, $max ) );
+ }
+ else {
+ return ( $self->loc( $type ) );
+ }
+}
+
+sub FriendlyTypeComposite {
+ my $self = shift;
+ my $composite = shift || $self->TypeComposite;
+ return $self->FriendlyType(split(/-/, $composite, 2));
+}
+
+
+=head2 ValidateType TYPE
+
+Takes a single string. returns true if that string is a value
+type of custom field
+
+
+=cut
+
+sub ValidateType {
+ my $self = shift;
+ my $type = shift;
+
+ if ( $type =~ s/(?:Single|Multiple)$// ) {
+ $RT::Logger->warning( "Prefix 'Single' and 'Multiple' to Type deprecated, use MaxValues instead at (". join(":",caller).")");
+ }
+
+ if ( $FieldTypes{$type} ) {
+ return 1;
+ }
+ else {
+ return undef;
+ }
+}
+
+
+sub SetType {
+ my $self = shift;
+ my $type = shift;
+ if ($type =~ s/(?:(Single)|Multiple)$//) {
+ $RT::Logger->warning("'Single' and 'Multiple' on SetType deprecated, use SetMaxValues instead at (". join(":",caller).")");
+ $self->SetMaxValues($1 ? 1 : 0);
+ }
+ $self->SUPER::SetType($type);
+}
+
+=head2 SetPattern STRING
+
+Takes a single string representing a regular expression. Performs basic
+validation on that regex, and sets the C<Pattern> field for the CF if it
+is valid.
+
+=cut
+
+sub SetPattern {
+ my $self = shift;
+ my $regex = shift;
+
+ my ($ok, $msg) = $self->_IsValidRegex($regex);
+ if ($ok) {
+ return $self->SUPER::SetPattern($regex);
+ }
+ else {
+ return (0, $self->loc("Invalid pattern: [_1]", $msg));
+ }
+}
+
+=head2 _IsValidRegex(Str $regex) returns (Bool $success, Str $msg)
+
+Tests if the string contains an invalid regex.
+
+=cut
+
+sub _IsValidRegex {
+ my $self = shift;
+ my $regex = shift or return (1, 'valid');
+
+ local $^W; local $@;
+ local $SIG{__DIE__} = sub { 1 };
+ local $SIG{__WARN__} = sub { 1 };
+
+ if (eval { qr/$regex/; 1 }) {
+ return (1, 'valid');
+ }
+
+ my $err = $@;
+ $err =~ s{[,;].*}{}; # strip debug info from error
+ chomp $err;
+ return (0, $err);
+}
+
+# {{{ SingleValue
+
+=head2 SingleValue
+
+Returns true if this CustomField only accepts a single value.
+Returns false if it accepts multiple values
+
+=cut
+
+sub SingleValue {
+ my $self = shift;
+ if (($self->MaxValues||0) == 1) {
+ return 1;
+ }
+ else {
+ return undef;
+ }
+}
+
+sub UnlimitedValues {
+ my $self = shift;
+ if (($self->MaxValues||0) == 0) {
+ return 1;
+ }
+ else {
+ return undef;
+ }
+}
+
+# }}}
+
+=head2 CurrentUserHasRight RIGHT
+
+Helper function to call the custom field's queue's CurrentUserHasRight with the passed in args.
+
+=cut
+
+sub CurrentUserHasRight {
+ my $self = shift;
+ my $right = shift;
+
+ return $self->CurrentUser->HasRight(
+ Object => $self,
+ Right => $right,
+ );
+}
+
+=head2 ACLEquivalenceObjects
+
+Returns list of objects via which users can get rights on this custom field. For custom fields
+these objects can be set using L<ContextObject|/"ContextObject and SetContextObject">.
+
+=cut
+
+sub ACLEquivalenceObjects {
+ my $self = shift;
+
+ my $ctx = $self->ContextObject
+ or return;
+ return ($ctx, $ctx->ACLEquivalenceObjects);
+}
+
+=head2 ContextObject and SetContextObject
+
+Set or get a context for this object. It can be ticket, queue or another object
+this CF applies to. Used for ACL control, for example SeeCustomField can be granted on
+queue level to allow people to see all fields applied to the queue.
+
+=cut
+
+sub SetContextObject {
+ my $self = shift;
+ return $self->{'context_object'} = shift;
+}
+
+sub ContextObject {
+ my $self = shift;
+ return $self->{'context_object'};
+}
+
+# {{{ sub _Set
+
+sub _Set {
+ my $self = shift;
+
+ unless ( $self->CurrentUserHasRight('AdminCustomField') ) {
+ return ( 0, $self->loc('Permission Denied') );
+ }
+ return $self->SUPER::_Set( @_ );
+
+}
+
+# }}}
+
+# {{{ sub _Value
+
+=head2 _Value
+
+Takes the name of a table column.
+Returns its value as a string, if the user passes an ACL check
+
+=cut
+
+sub _Value {
+ my $self = shift;
+ return undef unless $self->id;
+
+ # we need to do the rights check
+ unless ( $self->CurrentUserHasRight('SeeCustomField') ) {
+ $RT::Logger->debug(
+ "Permission denied. User #". $self->CurrentUser->id
+ ." has no SeeCustomField right on CF #". $self->id
+ );
+ return (undef);
+ }
+ return $self->__Value( @_ );
+}
+
+# }}}
+# {{{ sub SetDisabled
+
+=head2 SetDisabled
+
+Takes a boolean.
+1 will cause this custom field to no longer be avaialble for objects.
+0 will re-enable this field.
+
+=cut
+
+# }}}
+
+=head2 SetTypeComposite
+
+Set this custom field's type and maximum values as a composite value
+
+=cut
+
+sub SetTypeComposite {
+ my $self = shift;
+ my $composite = shift;
+
+ my $old = $self->TypeComposite;
+
+ my ($type, $max_values) = split(/-/, $composite, 2);
+ if ( $type ne $self->Type ) {
+ my ($status, $msg) = $self->SetType( $type );
+ return ($status, $msg) unless $status;
+ }
+ if ( ($max_values || 0) != ($self->MaxValues || 0) ) {
+ my ($status, $msg) = $self->SetMaxValues( $max_values );
+ return ($status, $msg) unless $status;
+ }
+ return 1, $self->loc(
+ "Type changed from '[_1]' to '[_2]'",
+ $self->FriendlyTypeComposite( $old ),
+ $self->FriendlyTypeComposite( $composite ),
+ );
+}
+
+=head2 TypeComposite
+
+Returns a composite value composed of this object's type and maximum values
+
+=cut
+
+
+sub TypeComposite {
+ my $self = shift;
+ return join '-', ($self->Type || ''), ($self->MaxValues || 0);
+}
+
+=head2 TypeComposites
+
+Returns an array of all possible composite values for custom fields.
+
+=cut
+
+sub TypeComposites {
+ my $self = shift;
+ return grep !/(?:[Tt]ext|Combobox|Date)-0/, map { ("$_-1", "$_-0") } $self->Types;
+}
+
+=head2 SetLookupType
+
+Autrijus: care to doc how LookupTypes work?
+
+=cut
+
+sub SetLookupType {
+ my $self = shift;
+ my $lookup = shift;
+ if ( $lookup ne $self->LookupType ) {
+ # Okay... We need to invalidate our existing relationships
+ my $ObjectCustomFields = RT::ObjectCustomFields->new($self->CurrentUser);
+ $ObjectCustomFields->LimitToCustomField($self->Id);
+ $_->Delete foreach @{$ObjectCustomFields->ItemsArrayRef};
+ }
+ return $self->SUPER::SetLookupType($lookup);
+}
+
+=head2 LookupTypes
+
+Returns an array of LookupTypes available
+
+=cut
+
+
+sub LookupTypes {
+ my $self = shift;
+ return keys %FRIENDLY_OBJECT_TYPES;
+}
+
+my @FriendlyObjectTypes = (
+ "[_1] objects", # loc
+ "[_1]'s [_2] objects", # loc
+ "[_1]'s [_2]'s [_3] objects", # loc
+);
+
+=head2 FriendlyLookupType
+
+Returns a localized description of the type of this custom field
+
+=cut
+
+sub FriendlyLookupType {
+ my $self = shift;
+ my $lookup = shift || $self->LookupType;
+
+ return ($self->loc( $FRIENDLY_OBJECT_TYPES{$lookup} ))
+ if (defined $FRIENDLY_OBJECT_TYPES{$lookup} );
+
+ my @types = map { s/^RT::// ? $self->loc($_) : $_ }
+ grep { defined and length }
+ split( /-/, $lookup )
+ or return;
+ return ( $self->loc( $FriendlyObjectTypes[$#types], @types ) );
+}
+
+sub RecordClassFromLookupType {
+ my $self = shift;
+ my ($class) = ($self->LookupType =~ /^([^-]+)/);
+ unless ( $class ) {
+ $RT::Logger->error(
+ "Custom Field #". $self->id
+ ." has incorrect LookupType '". $self->LookupType ."'"
+ );
+ return undef;
+ }
+ return $class;
+}
+
+sub CollectionClassFromLookupType {
+ my $self = shift;
+
+ my $record_class = $self->RecordClassFromLookupType;
+ return undef unless $record_class;
+
+ my $collection_class;
+ if ( UNIVERSAL::can($record_class.'Collection', 'new') ) {
+ $collection_class = $record_class.'Collection';
+ } elsif ( UNIVERSAL::can($record_class.'es', 'new') ) {
+ $collection_class = $record_class.'es';
+ } elsif ( UNIVERSAL::can($record_class.'s', 'new') ) {
+ $collection_class = $record_class.'s';
+ } else {
+ $RT::Logger->error("Can not find a collection class for record class '$record_class'");
+ return undef;
+ }
+ return $collection_class;
+}
+
+=head1 AppliedTo
+
+Returns collection with objects this custom field is applied to.
+Class of the collection depends on L</LookupType>.
+See all L</NotAppliedTo> .
+
+Doesn't takes into account if object is applied globally.
+
+=cut
+
+sub AppliedTo {
+ my $self = shift;
+
+ my ($res, $ocfs_alias) = $self->_AppliedTo;
+ return $res unless $res;
+
+ $res->Limit(
+ ALIAS => $ocfs_alias,
+ FIELD => 'id',
+ OPERATOR => 'IS NOT',
+ VALUE => 'NULL',
+ );
+
+ return $res;
+}
+
+=head1 NotAppliedTo
+
+Returns collection with objects this custom field is not applied to.
+Class of the collection depends on L</LookupType>.
+See all L</AppliedTo> .
+
+Doesn't takes into account if object is applied globally.
+
+=cut
+
+sub NotAppliedTo {
+ my $self = shift;
+
+ my ($res, $ocfs_alias) = $self->_AppliedTo;
+ return $res unless $res;
+
+ $res->Limit(
+ ALIAS => $ocfs_alias,
+ FIELD => 'id',
+ OPERATOR => 'IS',
+ VALUE => 'NULL',
+ );
+
+ return $res;
+}
+
+sub _AppliedTo {
+ my $self = shift;
+
+ my ($class) = $self->CollectionClassFromLookupType;
+ return undef unless $class;
+
+ my $res = $class->new( $self->CurrentUser );
+
+ # If CF is a Group CF, only display user-defined groups
+ if ( $class eq 'RT::Groups' ) {
+ $res->LimitToUserDefinedGroups;
+ }
+
+ $res->OrderBy( FIELD => 'Name' );
+ my $ocfs_alias = $res->Join(
+ TYPE => 'LEFT',
+ ALIAS1 => 'main',
+ FIELD1 => 'id',
+ TABLE2 => 'ObjectCustomFields',
+ FIELD2 => 'ObjectId',
+ );
+ $res->Limit(
+ LEFTJOIN => $ocfs_alias,
+ ALIAS => $ocfs_alias,
+ FIELD => 'CustomField',
+ VALUE => $self->id,
+ );
+ return ($res, $ocfs_alias);
+}
+
+=head2 IsApplied
+
+Takes object id and returns corresponding L<RT::ObjectCustomField>
+record if this custom field is applied to the object. Use 0 to check
+if custom field is applied globally.
+
+=cut
+
+sub IsApplied {
+ my $self = shift;
+ my $id = shift;
+ my $ocf = RT::ObjectCustomField->new( $self->CurrentUser );
+ $ocf->LoadByCols( CustomField => $self->id, ObjectId => $id || 0 );
+ return undef unless $ocf->id;
+ return $ocf;
+}
+
+=head2 AddToObject OBJECT
+
+Add this custom field as a custom field for a single object, such as a queue or group.
+
+Takes an object
+
+=cut
+
+
+sub AddToObject {
+ my $self = shift;
+ my $object = shift;
+ my $id = $object->Id || 0;
+
+ unless (index($self->LookupType, ref($object)) == 0) {
+ return ( 0, $self->loc('Lookup type mismatch') );
+ }
+
+ unless ( $object->CurrentUserHasRight('AssignCustomFields') ) {
+ return ( 0, $self->loc('Permission Denied') );
+ }
+
+ if ( $self->IsApplied( $id ) ) {
+ return ( 0, $self->loc("Custom field is already applied to the object") );
+ }
+
+ if ( $id ) {
+ # applying locally
+ return (0, $self->loc("Couldn't apply custom field to an object as it's global already") )
+ if $self->IsApplied( 0 );
+ }
+ else {
+ my $applied = RT::ObjectCustomFields->new( $self->CurrentUser );
+ $applied->LimitToCustomField( $self->id );
+ while ( my $record = $applied->Next ) {
+ $record->Delete;
+ }
+ }
+
+ my $ocf = RT::ObjectCustomField->new( $self->CurrentUser );
+ my ( $oid, $msg ) = $ocf->Create(
+ ObjectId => $id, CustomField => $self->id,
+ );
+ return ( $oid, $msg );
+}
+
+
+=head2 RemoveFromObject OBJECT
+
+Remove this custom field for a single object, such as a queue or group.
+
+Takes an object
+
+=cut
+
+sub RemoveFromObject {
+ my $self = shift;
+ my $object = shift;
+ my $id = $object->Id || 0;
+
+ unless (index($self->LookupType, ref($object)) == 0) {
+ return ( 0, $self->loc('Object type mismatch') );
+ }
+
+ unless ( $object->CurrentUserHasRight('AssignCustomFields') ) {
+ return ( 0, $self->loc('Permission Denied') );
+ }
+
+ my $ocf = $self->IsApplied( $id );
+ unless ( $ocf ) {
+ return ( 0, $self->loc("This custom field does not apply to that object") );
+ }
+
+ # XXX: Delete doesn't return anything
+ my ( $oid, $msg ) = $ocf->Delete;
+ return ( $oid, $msg );
+}
+
+# {{{ AddValueForObject
+
+=head2 AddValueForObject HASH
+
+Adds a custom field value for a record object of some kind.
+Takes a param hash of
+
+Required:
+
+ Object
+ Content
+
+Optional:
+
+ LargeContent
+ ContentType
+
+=cut
+
+sub AddValueForObject {
+ my $self = shift;
+ my %args = (
+ Object => undef,
+ Content => undef,
+ LargeContent => undef,
+ ContentType => undef,
+ @_
+ );
+ my $obj = $args{'Object'} or return ( 0, $self->loc('Invalid object') );
+
+ unless ( $self->CurrentUserHasRight('ModifyCustomField') ) {
+ return ( 0, $self->loc('Permission Denied') );
+ }
+
+ unless ( $self->MatchPattern($args{'Content'}) ) {
+ return ( 0, $self->loc('Input must match [_1]', $self->FriendlyPattern) );
+ }
+
+ $RT::Handle->BeginTransaction;
+
+ if ( $self->MaxValues ) {
+ my $current_values = $self->ValuesForObject($obj);
+ my $extra_values = ( $current_values->Count + 1 ) - $self->MaxValues;
+
+ # (The +1 is for the new value we're adding)
+
+ # If we have a set of current values and we've gone over the maximum
+ # allowed number of values, we'll need to delete some to make room.
+ # which former values are blown away is not guaranteed
+
+ while ($extra_values) {
+ my $extra_item = $current_values->Next;
+ unless ( $extra_item->id ) {
+ $RT::Logger->crit( "We were just asked to delete "
+ ."a custom field value that doesn't exist!" );
+ $RT::Handle->Rollback();
+ return (undef);
+ }
+ $extra_item->Delete;
+ $extra_values--;
+ }
+ }
+ # For date, we need to store Content as ISO date
+ if ($self->Type eq 'Date') {
+ my $DateObj = new RT::Date( $self->CurrentUser );
+ $DateObj->Set(
+ Format => 'unknown',
+ Value => $args{'Content'},
+ );
+ $args{'Content'} = $DateObj->ISO;
+ }
+ my $newval = RT::ObjectCustomFieldValue->new( $self->CurrentUser );
+ my $val = $newval->Create(
+ ObjectType => ref($obj),
+ ObjectId => $obj->Id,
+ Content => $args{'Content'},
+ LargeContent => $args{'LargeContent'},
+ ContentType => $args{'ContentType'},
+ CustomField => $self->Id
+ );
+
+ unless ($val) {
+ $RT::Handle->Rollback();
+ return ($val, $self->loc("Couldn't create record"));
+ }
+
+ $RT::Handle->Commit();
+ return ($val);
+
+}
+
+# }}}
+
+# {{{ MatchPattern
+
+=head2 MatchPattern STRING
+
+Tests the incoming string against the Pattern of this custom field object
+and returns a boolean; returns true if the Pattern is empty.
+
+=cut
+
+sub MatchPattern {
+ my $self = shift;
+ my $regex = $self->Pattern or return 1;
+
+ return (( defined $_[0] ? $_[0] : '') =~ $regex);
+}
+
+
+# }}}
+
+# {{{ FriendlyPattern
+
+=head2 FriendlyPattern
+
+Prettify the pattern of this custom field, by taking the text in C<(?#text)>
+and localizing it.
+
+=cut
+
+sub FriendlyPattern {
+ my $self = shift;
+ my $regex = $self->Pattern;
+
+ return '' unless length $regex;
+ if ( $regex =~ /\(\?#([^)]*)\)/ ) {
+ return '[' . $self->loc($1) . ']';
+ }
+ else {
+ return $regex;
+ }
+}
+
+
+# }}}
+
+# {{{ DeleteValueForObject
+
+=head2 DeleteValueForObject HASH
+
+Deletes a custom field value for a ticket. Takes a param hash of Object and Content
+
+Returns a tuple of (STATUS, MESSAGE). If the call succeeded, the STATUS is true. otherwise it's false
+
+=cut
+
+sub DeleteValueForObject {
+ my $self = shift;
+ my %args = ( Object => undef,
+ Content => undef,
+ Id => undef,
+ @_ );
+
+
+ unless ($self->CurrentUserHasRight('ModifyCustomField')) {
+ return (0, $self->loc('Permission Denied'));
+ }
+
+ my $oldval = RT::ObjectCustomFieldValue->new($self->CurrentUser);
+
+ if (my $id = $args{'Id'}) {
+ $oldval->Load($id);
+ }
+ unless ($oldval->id) {
+ $oldval->LoadByObjectContentAndCustomField(
+ Object => $args{'Object'},
+ Content => $args{'Content'},
+ CustomField => $self->Id,
+ );
+ }
+
+
+ # check to make sure we found it
+ unless ($oldval->Id) {
+ return(0, $self->loc("Custom field value [_1] could not be found for custom field [_2]", $args{'Content'}, $self->Name));
+ }
+
+ # for single-value fields, we need to validate that empty string is a valid value for it
+ if ( $self->SingleValue and not $self->MatchPattern( '' ) ) {
+ return ( 0, $self->loc('Input must match [_1]', $self->FriendlyPattern) );
+ }
+
+ # delete it
+
+ my $ret = $oldval->Delete();
+ unless ($ret) {
+ return(0, $self->loc("Custom field value could not be found"));
+ }
+ return($oldval->Id, $self->loc("Custom field value deleted"));
+}
+
+
+=head2 ValuesForObject OBJECT
+
+Return an L<RT::ObjectCustomFieldValues> object containing all of this custom field's values for OBJECT
+
+=cut
+
+sub ValuesForObject {
+ my $self = shift;
+ my $object = shift;
+
+ my $values = new RT::ObjectCustomFieldValues($self->CurrentUser);
+ unless ($self->CurrentUserHasRight('SeeCustomField')) {
+ # Return an empty object if they have no rights to see
+ return ($values);
+ }
+
+
+ $values->LimitToCustomField($self->Id);
+ $values->LimitToEnabled();
+ $values->LimitToObject($object);
+
+ return ($values);
+}
+
+
+=head2 _ForObjectType PATH FRIENDLYNAME
+
+Tell RT that a certain object accepts custom fields
+
+Examples:
+
+ 'RT::Queue-RT::Ticket' => "Tickets", # loc
+ 'RT::Queue-RT::Ticket-RT::Transaction' => "Ticket Transactions", # loc
+ 'RT::User' => "Users", # loc
+ 'RT::Group' => "Groups", # loc
+
+This is a class method.
+
+=cut
+
+sub _ForObjectType {
+ my $self = shift;
+ my $path = shift;
+ my $friendly_name = shift;
+
+ $FRIENDLY_OBJECT_TYPES{$path} = $friendly_name;
+
+}
+
+
+=head2 IncludeContentForValue [VALUE] (and SetIncludeContentForValue)
+
+Gets or sets the C<IncludeContentForValue> for this custom field. RT
+uses this field to automatically include content into the user's browser
+as they display records with custom fields in RT.
+
+=cut
+
+sub SetIncludeContentForValue {
+ shift->IncludeContentForValue(@_);
+}
+sub IncludeContentForValue{
+ my $self = shift;
+ $self->_URLTemplate('IncludeContentForValue', @_);
+}
+
+
+
+=head2 LinkValueTo [VALUE] (and SetLinkValueTo)
+
+Gets or sets the C<LinkValueTo> for this custom field. RT
+uses this field to make custom field values into hyperlinks in the user's
+browser as they display records with custom fields in RT.
+
+=cut
+
+
+sub SetLinkValueTo {
+ shift->LinkValueTo(@_);
+}
+
+sub LinkValueTo {
+ my $self = shift;
+ $self->_URLTemplate('LinkValueTo', @_);
+
+}
+
+
+=head2 _URLTemplate NAME [VALUE]
+
+With one argument, returns the _URLTemplate named C<NAME>, but only if
+the current user has the right to see this custom field.
+
+With two arguments, attemptes to set the relevant template value.
+
+=cut
+
+sub _URLTemplate {
+ my $self = shift;
+ my $template_name = shift;
+ if (@_) {
+
+ my $value = shift;
+ unless ( $self->CurrentUserHasRight('AdminCustomField') ) {
+ return ( 0, $self->loc('Permission Denied') );
+ }
+ $self->SetAttribute( Name => $template_name, Content => $value );
+ return ( 1, $self->loc('Updated') );
+ } else {
+ unless ( $self->id && $self->CurrentUserHasRight('SeeCustomField') ) {
+ return (undef);
+ }
+
+ my @attr = $self->Attributes->Named($template_name);
+ my $attr = shift @attr;
+
+ if ($attr) { return $attr->Content }
+
+ }
+}
+
+sub SetBasedOn {
+ my $self = shift;
+ my $value = shift;
+
+ return $self->DeleteAttribute( "BasedOn" )
+ unless defined $value and length $value;
+
+ my $cf = RT::CustomField->new( $self->CurrentUser );
+ $cf->Load( ref $value ? $value->Id : $value );
+
+ return (0, "Permission denied")
+ unless $cf->Id && $cf->CurrentUserHasRight('SeeCustomField');
+
+ return $self->AddAttribute(
+ Name => "BasedOn",
+ Description => "Custom field whose CF we depend on",
+ Content => $cf->Id,
+ );
+}
+
+sub BasedOnObj {
+ my $self = shift;
+ my $obj = RT::CustomField->new( $self->CurrentUser );
+
+ my $attribute = $self->FirstAttribute("BasedOn");
+ $obj->Load($attribute->Content) if defined $attribute;
+ return $obj;
+}
+
+1;
generated by cgit v1.1 at 2024-06-23 12:17:18 +0000