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+# -*- Mode: perl; indent-tabs-mode: nil -*-
+#
+# The contents of this file are subject to the Mozilla Public
+# License Version 1.1 (the "License"); you may not use this file
+# except in compliance with the License. You may obtain a copy of
+# the License at http://www.mozilla.org/MPL/
+#
+# Software distributed under the License is distributed on an "AS
+# IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+# implied. See the License for the specific language governing
+# rights and limitations under the License.
+#
+# The Original Code is the Component Watching Extension
+#
+# The Initial Developer of the Original Code is the Mozilla Foundation
+# Portions created by the Initial Developers are Copyright (C) 2011 the
+# Initial Developer. All Rights Reserved.
+#
+# Contributor(s):
+# Byron Jones <bjones@mozilla.com>
+
+package Bugzilla::Extension::ComponentWatching;
+use strict;
+use base qw(Bugzilla::Extension);
+
+use Bugzilla::Constants;
+use Bugzilla::Error;
+use Bugzilla::Group;
+use Bugzilla::User;
+use Bugzilla::User::Setting;
+
+our $VERSION = '1.1';
+
+use constant REL_COMPONENT_WATCHER => 15;
+
+#
+# installation
+#
+
+sub db_schema_abstract_schema {
+ my ($self, $args) = @_;
+ $args->{'schema'}->{'component_watch'} = {
+ FIELDS => [
+ user_id => {
+ TYPE => 'INT3',
+ NOTNULL => 1,
+ REFERENCES => {
+ TABLE => 'profiles',
+ COLUMN => 'userid',
+ DELETE => 'CASCADE',
+ }
+ },
+ component_id => {
+ TYPE => 'INT2',
+ NOTNULL => 0,
+ REFERENCES => {
+ TABLE => 'components',
+ COLUMN => 'id',
+ DELETE => 'CASCADE',
+ }
+ },
+ product_id => {
+ TYPE => 'INT2',
+ NOTNULL => 0,
+ REFERENCES => {
+ TABLE => 'products',
+ COLUMN => 'id',
+ DELETE => 'CASCADE',
+ }
+ },
+ ],
+ };
+}
+
+#
+# templates
+#
+
+sub template_before_create {
+ my ($self, $args) = @_;
+ my $config = $args->{config};
+ my $constants = $config->{CONSTANTS};
+ $constants->{REL_COMPONENT_WATCHER} = REL_COMPONENT_WATCHER;
+}
+
+#
+# preferences
+#
+
+sub user_preferences {
+ my ($self, $args) = @_;
+ my $tab = $args->{'current_tab'};
+ return unless $tab eq 'component_watch';
+
+ my $save = $args->{'save_changes'};
+ my $handled = $args->{'handled'};
+ my $user = Bugzilla->user;
+
+ if ($save) {
+ my ($sth, $sthAdd, $sthDel);
+
+ if (Bugzilla->input_params->{'add'}) {
+ # add watch
+
+ my $productName = Bugzilla->input_params->{'add_product'};
+ my $ra_componentNames = Bugzilla->input_params->{'add_component'};
+ $ra_componentNames = [$ra_componentNames] unless ref($ra_componentNames);
+
+ # load product and verify access
+ my $product = Bugzilla::Product->new({ name => $productName });
+ unless ($product && $user->can_access_product($product)) {
+ ThrowUserError('product_access_denied', { product => $productName });
+ }
+
+ if (grep { $_ eq '' } @$ra_componentNames) {
+ # watching a product
+ _addProductWatch($user, $product);
+
+ } else {
+ # watching specific components
+ foreach my $componentName (@$ra_componentNames) {
+ my $component = Bugzilla::Component->new({ name => $componentName, product => $product });
+ unless ($component) {
+ ThrowUserError('product_access_denied', { product => $productName });
+ }
+ _addComponentWatch($user, $component);
+ }
+ }
+
+ _addDefaultSettings($user);
+
+ } else {
+ # remove watch(s)
+
+ foreach my $name (keys %{Bugzilla->input_params}) {
+ if ($name =~ /^del_(\d+)$/) {
+ _deleteProductWatch($user, $1);
+ } elsif ($name =~ /^del_(\d+)_(\d+)$/) {
+ _deleteComponentWatch($user, $1, $2);
+ }
+ }
+ }
+ }
+
+ $args->{'vars'}->{'watches'} = _getWatches($user);
+
+ $$handled = 1;
+}
+
+#
+# bugmail
+#
+
+sub bugmail_recipients {
+ my ($self, $args) = @_;
+ my $bug = $args->{'bug'};
+ my $recipients = $args->{'recipients'};
+ my $diffs = $args->{'diffs'};
+
+ my ($oldProductId, $newProductId) = ($bug->product_id, $bug->product_id);
+ my ($oldComponentId, $newComponentId) = ($bug->component_id, $bug->component_id);
+
+ # notify when the product/component is switch from one being watched
+ if (@$diffs) {
+ # we need the product to process the component, so scan for that first
+ my $product;
+ foreach my $ra (@$diffs) {
+ next if !(exists $ra->{'old'}
+ && exists $ra->{'field_name'});
+ if ($ra->{'field_name'} eq 'product') {
+ $product = Bugzilla::Product->new({ name => $ra->{'old'} });
+ $oldProductId = $product->id;
+ }
+ }
+ if (!$product) {
+ $product = Bugzilla::Product->new($oldProductId);
+ }
+ foreach my $ra (@$diffs) {
+ next if !(exists $ra->{'old'}
+ && exists $ra->{'field_name'});
+ if ($ra->{'field_name'} eq 'component') {
+ my $component = Bugzilla::Component->new({ name => $ra->{'old'}, product => $product });
+ $oldComponentId = $component->id;
+ }
+ }
+ }
+
+ my $dbh = Bugzilla->dbh;
+ my $sth = $dbh->prepare("
+ SELECT user_id
+ FROM component_watch
+ WHERE ((product_id = ? OR product_id = ?) AND component_id IS NULL)
+ OR (component_id = ? OR component_id = ?)
+ ");
+ $sth->execute($oldProductId, $newProductId, $oldComponentId, $newComponentId);
+ while (my ($uid) = $sth->fetchrow_array) {
+ if (!exists $recipients->{$uid}) {
+ $recipients->{$uid}->{+REL_COMPONENT_WATCHER} = Bugzilla::BugMail::BIT_WATCHING();
+ }
+ }
+}
+
+sub bugmail_relationships {
+ my ($self, $args) = @_;
+ my $relationships = $args->{relationships};
+ $relationships->{+REL_COMPONENT_WATCHER} = 'Component-Watcher';
+}
+
+#
+# db
+#
+
+sub _getWatches {
+ my ($user) = @_;
+ my $dbh = Bugzilla->dbh;
+
+ my $sth = $dbh->prepare("
+ SELECT product_id, component_id
+ FROM component_watch
+ WHERE user_id = ?
+ ");
+ $sth->execute($user->id);
+ my @watches;
+ while (my ($productId, $componentId) = $sth->fetchrow_array) {
+ my $product = Bugzilla::Product->new($productId);
+ next unless $product && $user->can_access_product($product);
+
+ my %watch = ( product => $product );
+ if ($componentId) {
+ my $component = Bugzilla::Component->new($componentId);
+ next unless $component;
+ $watch{'component'} = $component;
+ }
+
+ push @watches, \%watch;
+ }
+
+ @watches = sort {
+ $a->{'product'}->name cmp $b->{'product'}->name
+ || $a->{'component'}->name cmp $b->{'component'}->name
+ } @watches;
+
+ return \@watches;
+}
+
+sub _addProductWatch {
+ my ($user, $product) = @_;
+ my $dbh = Bugzilla->dbh;
+
+ my $sth = $dbh->prepare("
+ SELECT 1
+ FROM component_watch
+ WHERE user_id = ? AND product_id = ? AND component_id IS NULL
+ ");
+ $sth->execute($user->id, $product->id);
+ return if $sth->fetchrow_array;
+
+ $sth = $dbh->prepare("
+ DELETE FROM component_watch
+ WHERE user_id = ? AND product_id = ?
+ ");
+ $sth->execute($user->id, $product->id);
+
+ $sth = $dbh->prepare("
+ INSERT INTO component_watch(user_id, product_id)
+ VALUES (?, ?)
+ ");
+ $sth->execute($user->id, $product->id);
+}
+
+sub _addComponentWatch {
+ my ($user, $component) = @_;
+ my $dbh = Bugzilla->dbh;
+
+ my $sth = $dbh->prepare("
+ SELECT 1
+ FROM component_watch
+ WHERE user_id = ?
+ AND (component_id = ? OR (product_id = ? AND component_id IS NULL))
+ ");
+ $sth->execute($user->id, $component->id, $component->product_id);
+ return if $sth->fetchrow_array;
+
+ $sth = $dbh->prepare("
+ INSERT INTO component_watch(user_id, product_id, component_id)
+ VALUES (?, ?, ?)
+ ");
+ $sth->execute($user->id, $component->product_id, $component->id);
+}
+
+sub _deleteProductWatch {
+ my ($user, $productId) = @_;
+ my $dbh = Bugzilla->dbh;
+
+ my $sth = $dbh->prepare("
+ DELETE FROM component_watch
+ WHERE user_id = ? AND product_id = ? AND component_id IS NULL
+ ");
+ $sth->execute($user->id, $productId);
+}
+
+sub _deleteComponentWatch {
+ my ($user, $productId, $componentId) = @_;
+ my $dbh = Bugzilla->dbh;
+
+ my $sth = $dbh->prepare("
+ DELETE FROM component_watch
+ WHERE user_id = ? AND product_id = ? AND component_id = ?
+ ");
+ $sth->execute($user->id, $productId, $componentId);
+}
+
+sub _addDefaultSettings {
+ my ($user) = @_;
+ my $dbh = Bugzilla->dbh;
+
+ my $sth = $dbh->prepare("
+ SELECT 1
+ FROM email_setting
+ WHERE user_id = ? AND relationship = ?
+ ");
+ $sth->execute($user->id, REL_COMPONENT_WATCHER);
+ return if $sth->fetchrow_array;
+
+ my @defaultEvents = (
+ EVT_OTHER,
+ EVT_COMMENT,
+ EVT_ATTACHMENT,
+ EVT_ATTACHMENT_DATA,
+ EVT_PROJ_MANAGEMENT,
+ EVT_OPENED_CLOSED,
+ EVT_KEYWORD,
+ EVT_DEPEND_BLOCK,
+ EVT_BUG_CREATED,
+ );
+ foreach my $event (@defaultEvents) {
+ $dbh->do(
+ "INSERT INTO email_setting(user_id,relationship,event) VALUES (?,?,?)",
+ undef,
+ $user->id, REL_COMPONENT_WATCHER, $event
+ );
+ }
+}
+
+__PACKAGE__->NAME;
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