Add button to expand members of a group attendee (#3376); prefix edit-attendees-table styles to avoid unintended style overrides

3 files changed, 121 insertions, 0 deletions

diff --git a/plugins/libcalendaring/libcalendaring.js b/plugins/libcalendaring/libcalendaring.js
index 6f20ab7..39b34ae 100644
--- a/plugins/libcalendaring/libcalendaring.js
+++ b/plugins/libcalendaring/libcalendaring.js
@@ -33,6 +33,7 @@ function rcube_libcalendaring(settings)
     this.alarm_dialog = null;
     this.snooze_popup = null;
     this.dismiss_link = null;
+    this.group2expand = {};
 
     // abort if env isn't set
     if (!settings || !settings.date_format)
@@ -729,6 +730,64 @@ function rcube_libcalendaring(settings)
         $.each(listitems, function(idx, item) { mylist.append(item); });
     };
 
+
+    /*****  Attendee form handling  *****/
+
+    // expand the given contact group into individual event/task attendees
+    this.expand_attendee_group = function(e, add, remove)
+    {
+        var id = (e.data ? e.data.email : null) || $(e.target).attr('data-email'),
+            role_select = $(e.target).closest('tr').find('select.edit-attendee-role option:selected');
+
+        this.group2expand[id] = { link: e.target, data: $.extend({}, e.data || {}), adder: add, remover: remove }
+
+        // copy group role from the according form element
+        if (role_select.length) {
+            this.group2expand[id].data.role = role_select.val();
+        }
+
+        // register callback handler
+        if (!this._expand_attendee_listener) {
+            this._expand_attendee_listener = this.expand_attendee_callback;
+            rcmail.addEventListener('plugin.expand_attendee_callback', function(result) {
+                me._expand_attendee_listener(result);
+            });
+        }
+
+        rcmail.http_post('libcal/plugin.expand_attendee_group', { id: id, data: e.data || {} }, rcmail.set_busy(true, 'loading'));
+    };
+
+    // callback from server to expand an attendee group
+    this.expand_attendee_callback = function(result)
+    {
+        var attendee, id = result.id,
+            data = this.group2expand[id],
+            row = $(data.link).closest('tr');
+
+        // replace group entry with all members returned by the server
+        if (data && data.adder && result.members && result.members.length) {
+            for (var i=0; i < result.members.length; i++) {
+                attendee = result.members[i];
+                attendee.role = data.data.role;
+                attendee.cutype = 'INDIVIDUAL';
+                attendee.status = 'NEEDS-ACTION';
+                data.adder(attendee, null, row);
+            }
+
+            if (data.remover) {
+                data.remover(data.link, id)
+            }
+            else {
+                row.remove();
+            }
+
+            delete this.group2expand[id];
+        }
+        else {
+            rcmail.display_message(result.error || rcmail.gettext('expandattendeegroupnodata','libcalendaring'), 'error');
+        }
+    };
+
 }
 
 //////  static methods
diff --git a/plugins/libcalendaring/libcalendaring.php b/plugins/libcalendaring/libcalendaring.php
index 6ca548e..52a8134 100644
--- a/plugins/libcalendaring/libcalendaring.php
+++ b/plugins/libcalendaring/libcalendaring.php
@@ -106,6 +106,7 @@ class libcalendaring extends rcube_plugin
             // add hook to display alarms
             $this->add_hook('refresh', array($this, 'refresh'));
             $this->register_action('plugin.alarms', array($this, 'alarms_action'));
+            $this->register_action('plugin.expand_attendee_group', array($this, 'expand_attendee_group'));
         }
 
         // proceed initialization in startup hook
@@ -1359,6 +1360,61 @@ class libcalendaring extends rcube_plugin
     }
 
 
+    /*********  Attendee handling functions  *********/
+
+    /**
+     * Handler for attendee group expansion requests
+     */
+    public function expand_attendee_group()
+    {
+        $id     = rcube_utils::get_input_value('id', rcube_utils::INPUT_POST);
+        $data   = rcube_utils::get_input_value('data', rcube_utils::INPUT_POST, true);
+        $result = array('id' => $id, 'members' => array());
+        $maxnum = 500;
+
+        // iterate over all autocomplete address books (we don't know the source of the group)
+        foreach ((array)$this->rc->config->get('autocomplete_addressbooks', 'sql') as $abook_id) {
+            if (($abook = $this->rc->get_address_book($abook_id)) && $abook->groups) {
+                foreach ($abook->list_groups($data['name'], 1) as $group) {
+                    // this is the matching group to expand
+                    if (in_array($data['email'], (array)$group['email'])) {
+                        $abook->set_pagesize($maxnum);
+                        $abook->set_group($group['ID']);
+
+                        // get all members
+                        $res = $abook->list_records($this->rc->config->get('contactlist_fields'));
+
+                        // handle errors (e.g. sizelimit, timelimit)
+                        if ($abook->get_error()) {
+                            $result['error'] = $this->rc->gettext('expandattendeegrouperror', 'libcalendaring');
+                            $res = false;
+                        }
+                        // check for maximum number of members (we don't wanna bloat the UI too much)
+                        else if ($res->count > $maxnum) {
+                            $result['error'] = $this->rc->gettext('expandattendeegroupsizelimit', 'libcalendaring');
+                            $res = false;
+                        }
+
+                        while ($res && ($member = $res->iterate())) {
+                            $emails = (array)$abook->get_col_values('email', $member, true);
+                            if (!empty($emails) && ($email = array_shift($emails))) {
+                                $result['members'][] = array(
+                                    'email' => $email,
+                                    'name' => rcube_addressbook::compose_list_name($member),
+                                );
+                            }
+                        }
+
+                        break 2;
+                    }
+                }
+            }
+        }
+
+        $this->rc->output->command('plugin.expand_attendee_callback', $result);
+    }
+
+
     /*********  Static utility functions  *********/
 
     /**
diff --git a/plugins/libcalendaring/localization/en_US.inc b/plugins/libcalendaring/localization/en_US.inc
index 5ad34ed..82fb7a8 100644
--- a/plugins/libcalendaring/localization/en_US.inc
+++ b/plugins/libcalendaring/localization/en_US.inc
@@ -140,3 +140,9 @@ $labels['declinedeleteconfirm'] = 'Do you also want to delete this declined obje
 
 $labels['savingdata'] = 'Saving data...';
 
+// attendees labels
+$labels['expandattendeegroup'] = 'Substitute with group members';
+$labels['expandattendeegroupnodata'] = 'Unable to substitute this group. No members found.';
+$labels['expandattendeegrouperror'] = 'Unable to substitute this group. It might contain too many members.';
+$labels['expandattendeegroupsizelimit'] = 'This group contains too many members for substituting.';
+