1 package OpenILS::Application::Actor::Friends;
2 use strict; use warnings;
3 use OpenILS::Application::AppUtils;
4 use OpenILS::Utils::CStoreEditor q/:funcs/;
5 use OpenSRF::Utils::Logger q/$logger/;
6 use OpenILS::Utils::Fieldmapper;
7 my $U = "OpenILS::Application::AppUtils";
9 # ----------------------------------------------------------------
10 # Shared Friend utilities. Thar be no methods published here...
11 # ----------------------------------------------------------------
13 # export these fields for friend display
14 my @keep_user_fields = qw/id usrname first_given_name second_given_name family_name alias/;
16 my $out_links_query = {
17 select => {cubi => ['target_user']},
20 cubi => {field => 'bucket', fkey => 'id'}
24 '+cub' => {btype => 'folks', owner => undef}
28 my $in_links_query = {
29 select => {cub => ['owner'] },
32 cubi => {field => 'bucket', fkey => 'id'}
36 '+cubi' => {target_user => undef},
37 '+cub' => {btype => 'folks'}
41 my $perm_check_query = {
42 select => {cub => ['btype'] },
45 cubi => {field => 'bucket', fkey => 'id'}
51 sub retrieve_friends {
52 my($self, $e, $user_id, $options) = @_;
55 # users I have links to
56 $out_links_query->{where}->{'+cub'}->{owner} = $user_id;
57 my @out_linked = map {$_->{target_user}} @{$e->json_query($out_links_query)};
59 # users who link to me
60 $in_links_query->{where}->{'+cubi'}->{target_user} = $user_id;
61 my @in_linked = map {$_->{owner}} @{$e->json_query($in_links_query)};
63 # determine which users are confirmed, pending outbound
64 # requests, and pending inbound requests
69 for my $out_link (@out_linked) {
70 if(grep {$_ == $out_link} @in_linked) {
71 push(@confirmed, $out_link);
73 push(@pending_out, $out_link);
77 for my $in_link (@in_linked) {
78 push(@pending_in, $in_link)
79 unless grep {$_ == $in_link} @confirmed;
82 if($$options{confirmed_only}) {
84 confirmed => $self->load_linked_user_perms($e, $user_id, @confirmed),
88 confirmed => $self->load_linked_user_perms($e, $user_id, @confirmed),
89 pending_out => $self->load_linked_user_perms($e, $user_id, @pending_out),
90 pending_in => $self->load_linked_user_perms($e, $user_id, @pending_in)
95 # given a base user and set of linked users, returns the trimmed linked user
96 # records, plus the perms (by name) each user has been granted
97 sub load_linked_user_perms {
98 my($self, $e, $user_id, @users) = @_;
100 my $select = {select => {au => \@keep_user_fields}};
102 for my $d_user (@users) {
104 # fetch all of the bucket items linked from base user to
105 # delegate user with the folks: prefix on the bucket type
106 $perm_check_query->{where} = {
107 '+cubi' => {target_user => $d_user},
108 '+cub' => {btype => {like => 'folks:%'}, owner => $user_id}
112 user => $e->retrieve_actor_user([$d_user, $select]),
114 # trim the folks: prefix from the bucket type
115 map {substr($_->{btype}, 6)} @{$e->json_query($perm_check_query)}
124 my $direct_links_query = {
125 select => {cub => ['id'] },
128 cubi => {field => 'bucket', fkey => 'id'}
132 '+cubi' => {target_user => undef},
133 '+cub' => {btype => 'folks', owner => undef}
138 sub confirmed_friends {
139 my($self, $e, $user1_id, $user2_id) = @_;
141 $direct_links_query->{where}->{'+cub'}->{owner} = $user1_id;
142 $direct_links_query->{where}->{'+cubi'}->{target_user} = $user2_id;
144 if($e->json_query($direct_links_query)->[0]) {
146 $direct_links_query->{where}->{'+cub'}->{owner} = $user2_id;
147 $direct_links_query->{where}->{'+cubi'}->{target_user} = $user1_id;
148 return 1 if $e->json_query($direct_links_query)->[0];
156 # returns 1 if delegate_user is allowed to perform 'perm' for base_user
157 sub friend_perm_allowed {
158 my($self, $e, $base_user_id, $delegate_user_id, $perm) = @_;
159 return 0 unless $self->confirmed_friends($base_user_id, $delegate_user_id);
160 $perm_check_query->{where} = {
161 '+cubi' => {target_user => $delegate_user_id},
162 '+cub' => {btype => "folks:$perm", owner => $base_user_id}
164 return 1 if $e->json_query($perm_check_query)->[0];
168 sub apply_friend_perm {
169 my($self, $e, $base_user_id, $delegate_user_id, $perm) = @_;
171 my $bucket = $e->search_container_user_bucket(
172 {owner => $base_user_id, btype => "folks:$perm"})->[0];
175 # is the permission already set?
176 return undef if $e->search_container_user_bucket_item(
177 {bucket => $bucket->id, target_user => $delegate_user_id})->[0];
180 # make sure the perm-specific bucket exists for this user
181 $bucket = Fieldmapper::container::user_bucket->new;
182 $bucket->owner($base_user_id);
183 $bucket->btype("folks:$perm");
184 $bucket->name("folks:$perm");
185 $e->create_container_user_bucket($bucket) or return $e->die_event;
188 my $item = Fieldmapper::container::user_bucket_item->new;
189 $item->bucket($bucket->id);
190 $item->target_user($delegate_user_id);
191 $e->create_container_user_bucket_item($item) or return $e->die_event;