Bug 1054138: add the ability to filter on "fields containing the string"

5 files changed, 119 insertions, 46 deletions

diff --git a/extensions/BugmailFilter/Extension.pm b/extensions/BugmailFilter/Extension.pm
index 053b07575..035de241c 100644
--- a/extensions/BugmailFilter/Extension.pm
+++ b/extensions/BugmailFilter/Extension.pm
@@ -45,6 +45,9 @@ sub user_preferences {
                 user_id => Bugzilla->user->id,
             };
             $params->{field_name} = $input->{field} || IS_NULL;
+            if ($params->{field_name} eq '~') {
+                $params->{field_name} = '~' . $input->{field_contains};
+            }
             $params->{relationship} = $input->{relationship} || IS_NULL;
             if (my $product_name = $input->{product}) {
                 my $product = Bugzilla::Product->check({
@@ -160,6 +163,20 @@ sub user_preferences {
         }) }
     ];
 
+    # set field_description
+    foreach my $filter (@{ $vars->{filters} }) {
+        my $field_name = $filter->field_name;
+        if (!$field_name) {
+            $filter->field_description('Any');
+        }
+        elsif (substr($field_name, 0, 1) eq '~') {
+            $filter->field_description('~ ' . substr($field_name, 1));
+        }
+        else {
+            $filter->field_description($fields{$field_name} || $filter->field->description);
+        }
+    }
+
     # build a list of tracking-flags, grouped by type
     require Bugzilla::Extension::TrackingFlags::Constants;
     require Bugzilla::Extension::TrackingFlags::Flag;
@@ -203,39 +220,34 @@ sub user_wants_mail {
     });
     return unless @$filters;
 
-    my $fields = [ map { $_->{field_name} } @$diffs ];
+    my $fields = [
+        map { {
+            filter_field => $_->{field_name}, # filter's field_name
+            field_name   => $_->{field_name}, # raw bugzilla field_name
+        } }
+        @$diffs
+    ];
 
     # insert fake fields for new attachments and comments
     if (@$comments) {
         if (grep { $_->type == CMT_ATTACHMENT_CREATED } @$comments) {
-            push @$fields, 'attachment.created';
+            push @$fields, { filter_field => 'attachment.created' };
         }
         if (grep { $_->type != CMT_ATTACHMENT_CREATED } @$comments) {
-            push @$fields, 'comment.created';
+            push @$fields, { filter_field => 'comment.created' };
         }
     }
 
-    # replace tracking flag fields with fake tracking flag types
+    # set filter_field on tracking flags to tracking.$type
     require Bugzilla::Extension::TrackingFlags::Flag;
-    my %count;
-    my @tracking_flags;
-    foreach my $field (@$fields, Bugzilla->tracking_flag_names) {
-        $count{$field}++;
-    }
-    foreach my $field (keys %count) {
-        push @tracking_flags, $field
-            if $count{$field} > 1;
-    }
-    my %tracking_types =
-        map { $_->flag_type => 1 }
-        @{ Bugzilla::Extension::TrackingFlags::Flag->match({
-            name => \@tracking_flags
-        })};
-    foreach my $type (keys %tracking_types) {
-        push @$fields, 'tracking.' . $type;
-    }
-    foreach my $field (Bugzilla->tracking_flag_names) {
-        $fields = [ grep { $_ ne $field } @$fields ];
+    my @tracking_flags = Bugzilla->tracking_flags;
+    foreach my $field (@$fields) {
+        next unless my $field_name = $field->{field_name};
+        foreach my $tracking_flag (@tracking_flags) {
+            if ($field_name eq $tracking_flag->name) {
+                $field->{filter_field} = 'tracking.'. $tracking_flag->flag_type;
+            }
+        }
     }
 
     if (_should_drop($fields, $filters, $args)) {
@@ -290,43 +302,42 @@ sub _should_drop {
     # exclusions
     # drop email where we are excluding all changed fields
 
-    my %exclude = map { $_ => 0 } @$fields;
     my $params = {
         product_id   => $bug->product_id,
         component_id => $bug->component_id,
         rel_map      => \@rel_map,
     };
 
-    foreach my $field_name (@$fields) {
-        $params->{field_name} = $field_name;
+    foreach my $field (@$fields) {
+        $params->{field} = $field;
         foreach my $filter (grep { $_->is_exclude } @$filters) {
             if ($filter->matches($params)) {
-                $exclude{$field_name} = 1;
+                $field->{exclude} = 1;
                 last;
             }
         }
     }
 
     # no need to process includes if nothing was excluded
-    if (!grep { $exclude{$_} } @$fields) {
+    if (!grep { $_->{exclude} } @$fields) {
         return 0;
     }
 
     # inclusions
     # flip the bit for fields that should be included
 
-    foreach my $field_name (@$fields) {
-        $params->{field_name} = $field_name;
+    foreach my $field (@$fields) {
+        $params->{field} = $field;
         foreach my $filter (grep { $_->is_include } @$filters) {
             if ($filter->matches($params)) {
-                $exclude{$field_name} = 0;
+                $field->{exclude} = 0;
                 last;
             }
         }
     }
 
     # drop if all fields are still excluded
-    return !(grep { !$exclude{$_} } keys %exclude);
+    return !(grep { !$_->{exclude} } @$fields);
 }
 
 # catch when fields are renamed, and update the field_name entires
diff --git a/extensions/BugmailFilter/lib/Filter.pm b/extensions/BugmailFilter/lib/Filter.pm
index 9a0d0f89a..5e83bd52a 100644
--- a/extensions/BugmailFilter/lib/Filter.pm
+++ b/extensions/BugmailFilter/lib/Filter.pm
@@ -19,6 +19,7 @@ use Bugzilla::Extension::BugmailFilter::FakeField;
 use Bugzilla::Field;
 use Bugzilla::Product;
 use Bugzilla::User;
+use Bugzilla::Util qw(trim);
 
 use constant DB_TABLE => 'bugmail_filters';
 
@@ -85,10 +86,20 @@ sub field_name {
     return $_[0]->{field_name} //= '';
 }
 
+sub field_description {
+    my ($self, $value) = @_;
+    $self->{field_description} = $value if defined($value);
+    return $self->{field_description};
+}
+
 sub field {
     my ($self) = @_;
     return unless $self->{field_name};
     if (!$self->{field}) {
+        if (substr($self->{field_name}, 0, 1) eq '~') {
+            # this should never happen
+            die "not implemented";
+        }
         foreach my $field (
             @{ Bugzilla::Extension::BugmailFilter::FakeField->fake_fields() },
             @{ Bugzilla::Extension::BugmailFilter::FakeField->tracking_flag_fields() },
@@ -133,6 +144,14 @@ sub _check_user {
 sub _check_field_name {
     my ($class, $field_name) = @_;
     return undef unless $field_name;
+    if (substr($field_name, 0, 1) eq '~') {
+        $field_name = lc(trim($field_name));
+        $field_name =~ /^~[a-z0-9_\.]+$/
+            || ThrowUserError('bugmail_filter_invalid');
+        length($field_name) <= 64
+            || ThrowUserError('bugmail_filter_too_long');
+        return $field_name;
+    }
     foreach my $rh (@{ FAKE_FIELD_NAMES() }) {
         return $field_name if $rh->{name} eq $field_name;
     }
@@ -147,8 +166,16 @@ sub _check_field_name {
 sub matches {
     my ($self, $args) = @_;
 
-    if ($self->{field_name} && $self->{field_name} ne $args->{field_name}) {
-        return 0;
+    if (my $field_name = $self->{field_name}) {
+        if (substr($field_name, 0, 1) eq '~') {
+            my $substring = quotemeta(substr($field_name, 1));
+            if ($args->{field}->{field_name} !~ /$substring/i) {
+                return 0;
+            }
+        }
+        elsif ($field_name ne $args->{field}->{filter_field}) {
+            return 0;
+        }
     }
 
     if ($self->{product_id} && $self->{product_id} != $args->{product_id}) {
diff --git a/extensions/BugmailFilter/template/en/default/account/prefs/bugmail_filter.html.tmpl b/extensions/BugmailFilter/template/en/default/account/prefs/bugmail_filter.html.tmpl
index 12c745adb..43d18f516 100644
--- a/extensions/BugmailFilter/template/en/default/account/prefs/bugmail_filter.html.tmpl
+++ b/extensions/BugmailFilter/template/en/default/account/prefs/bugmail_filter.html.tmpl
@@ -48,16 +48,24 @@ var cpts = new Array();
           [% field.description FILTER html %]
         </option>
       [% END %]
+      <option value="~">Contains:</option>
     </select>
   </td>
   <td class="blurb">
     the field that was changed
   </td>
 </tr>
+<tr id="field_contains_row" class="bz_default_hidden">
+  <td>&nbsp;</td>
+  <td>
+      <input name="field_contains" id="field_contains"
+             placeholder="field name" maxlength="63">
+  </td>
+</tr>
 <tr>
   <th>Product:</th>
   <td>
-    <select name="product" id="product" onChange="onFilterProductChange()">
+    <select name="product" id="product">
       <option value="">__Any__</option>
       [% FOREACH product IN selectable_products %]
         <option>[% product.name FILTER html %]</option>
@@ -139,11 +147,11 @@ var cpts = new Array();
       <tr class="[% "row_odd" UNLESS loop.count % 2 %]">
         <td>
           <input type="checkbox" name="remove" value="[% filter.id FILTER none %]"
-                 onChange="onRemoveChange()">
+                 onChange="onFilterRemoveChange()">
         </td>
         <td>[% filter.product ? filter.product.name : 'Any' FILTER html %]</td>
         <td>[% filter.component ? filter.component.name : 'Any' FILTER html %]</td>
-        <td>[% filter.field ? fields.${filter.field.name} || filter.field.description : 'Any' FILTER html %]</td>
+        <td>[% filter.field_description FILTER html %]</td>
         <td>[% filter.relationship ? filter.relationship_name : 'Any' FILTER html %]</td>
         <td>[% filter.action ? 'Exclude' : 'Include' %]</td>
       </tr>
diff --git a/extensions/BugmailFilter/template/en/default/hook/global/user-error-errors.html.tmpl b/extensions/BugmailFilter/template/en/default/hook/global/user-error-errors.html.tmpl
index 380c07ee5..4be894c6f 100644
--- a/extensions/BugmailFilter/template/en/default/hook/global/user-error-errors.html.tmpl
+++ b/extensions/BugmailFilter/template/en/default/hook/global/user-error-errors.html.tmpl
@@ -10,4 +10,13 @@
   [% title = "Filter Already Exists" %]
   A filter already exists with the selected criteria.
 
+[% ELSIF error == "bugmail_filter_too_long" %]
+  [% title = "Invalid Field Name" %]
+  The field name to filter on is too long (must be 63 character or fewer).
+
+[% ELSIF error == "bugmail_filter_invalid" %]
+  [% title = "Invalid Field Name" %]
+  The field name contains invalid characters (alpha-numeric, underscore and
+  period only).
+
 [% END %]
diff --git a/extensions/BugmailFilter/web/js/bugmail-filter.js b/extensions/BugmailFilter/web/js/bugmail-filter.js
index 2b320bbbb..c24528861 100644
--- a/extensions/BugmailFilter/web/js/bugmail-filter.js
+++ b/extensions/BugmailFilter/web/js/bugmail-filter.js
@@ -6,19 +6,33 @@
  * defined by the Mozilla Public License, v. 2.0. */
 
 var Dom = YAHOO.util.Dom;
-var Event = YAHOO.util.Event;
+
+function onFilterFieldChange() {
+    if (Dom.get('field').value == '~') {
+        Dom.removeClass('field_contains_row', 'bz_default_hidden');
+        Dom.get('field_contains').focus();
+        Dom.get('field_contains').select();
+    }
+    else {
+        Dom.addClass('field_contains_row', 'bz_default_hidden');
+    }
+}
 
 function onFilterProductChange() {
     selectProduct(Dom.get('product'), Dom.get('component'), null, null, '__Any__');
     Dom.get('component').disabled = Dom.get('product').value == '';
 }
 
-function onFilterActionChange() {
-    var value = Dom.get('action').value;
-    Dom.get('add_filter').disabled = value == '';
+function setFilterAddEnabled() {
+    Dom.get('add_filter').disabled =
+        (
+            Dom.get('field').value == '~'
+            && Dom.get('field_contains').value == ''
+        )
+        || Dom.get('action').value == '';
 }
 
-function onRemoveChange() {
+function onFilterRemoveChange() {
   var cbs = Dom.get('filters_table').getElementsByTagName('input');
   for (var i = 0, l = cbs.length; i < l; i++) {
     if (cbs[i].checked) {
@@ -34,9 +48,13 @@ function showAllFlags() {
     Dom.removeClass('all_flags', 'bz_default_hidden');
 }
 
-Event.onDOMReady(function() {
-    Event.on('action', 'change', onFilterActionChange);
+YAHOO.util.Event.onDOMReady(function() {
+    YAHOO.util.Event.on('field',          'change',   onFilterFieldChange);
+    YAHOO.util.Event.on('field_contains', 'keyup',    setFilterAddEnabled);
+    YAHOO.util.Event.on('product',        'change',   onFilterProductChange);
+    YAHOO.util.Event.on('action',         'change',   setFilterAddEnabled);
+    onFilterFieldChange();
     onFilterProductChange();
-    onFilterActionChange();
-    onRemoveChange();
+    onFilterRemoveChange();
+    setFilterAddEnabled();
 });