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51 RT::Attachments - a collection of RT::Attachment objects
59 This module should never be called directly by client code. it's an internal module which
60 should only be accessed through exported APIs in Ticket, Queue and other similar objects.
70 package RT::Attachments;
73 no warnings qw(redefine);
79 $self->{'table'} = "Attachments";
80 $self->{'primary_key'} = "id";
85 return $self->SUPER::_Init( @_ );
90 delete $self->{_sql_transaction_alias};
91 return $self->SUPER::CleanSlate( @_ );
95 =head2 TransactionAlias
97 Returns alias for transactions table with applied join condition.
98 Always return the same alias, so if you want to build some complex
99 or recursive joining then you have to create new alias youself.
103 sub TransactionAlias {
105 return $self->{'_sql_transaction_alias'}
106 if $self->{'_sql_transaction_alias'};
108 my $res = $self->NewAlias('Transactions');
110 ENTRYAGGREGATOR => 'AND',
111 FIELD => 'TransactionId',
112 VALUE => $res . '.id',
115 return $self->{'_sql_transaction_alias'} = $res;
118 =head2 ContentType (VALUE => 'text/plain', ENTRYAGGREGATOR => 'OR', OPERATOR => '=' )
120 Limit result set to attachments of ContentType 'TYPE'...
128 VALUE => 'text/plain',
130 ENTRYAGGREGATOR => 'OR',
134 return $self->Limit ( %args, FIELD => 'ContentType' );
139 Limit result set to children of Attachment ID
146 my $attachment = shift;
155 Limit result set to attachments with not empty content.
162 ENTRYAGGREGATOR => 'AND',
164 OPERATOR => 'IS NOT',
169 # http://rt3.fsck.com/Ticket/Display.html?id=12483
170 if ( RT->Config->Get('DatabaseType') ne 'Oracle' ) {
172 ENTRYAGGREGATOR => 'AND',
181 =head2 LimitByTicket $ticket_id
183 Limit result set to attachments of a ticket.
191 my $transactions = $self->TransactionAlias;
193 ENTRYAGGREGATOR => 'AND',
194 ALIAS => $transactions,
195 FIELD => 'ObjectType',
196 VALUE => 'RT::Ticket',
199 my $tickets = $self->NewAlias('Tickets');
201 ENTRYAGGREGATOR => 'AND',
204 VALUE => $transactions . '.ObjectId',
208 ENTRYAGGREGATOR => 'AND',
210 FIELD => 'EffectiveId',
219 return RT::Attachment->new( $self->CurrentUser );
227 my $Attachment = $self->SUPER::Next;
228 return $Attachment unless $Attachment;
230 my $txn = $Attachment->TransactionObj;
231 if ( $txn->__Value('Type') eq 'Comment' ) {
232 return $Attachment if $txn->CurrentUserHasRight('ShowTicketComments');
233 } elsif ( $txn->CurrentUserHasRight('ShowTicket') ) {
237 # If the user doesn't have the right to show this ticket