From 2ad0d6651dfbcb32c146465ad9539848b285e3f9 Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <machniak@kolabsys.com>
Date: Thu, 29 Jun 2017 11:20:09 +0200
Subject: [PATCH] Move more common methods used by tasklist and calendar to
 libcalendaring

---
 plugins/calendar/calendar_ui.js          | 74 ++++---------------
 plugins/libcalendaring/libcalendaring.js | 64 +++++++++++++++++
 plugins/tasklist/tasklist.js             | 91 ++++++------------------
 3 files changed, 97 insertions(+), 132 deletions(-)

diff --git a/plugins/calendar/calendar_ui.js b/plugins/calendar/calendar_ui.js
index c8f67477..7da1f594 100644
--- a/plugins/calendar/calendar_ui.js
+++ b/plugins/calendar/calendar_ui.js
@@ -283,49 +283,6 @@ function rcube_calendar_ui(settings)
       else
         return date.getHours() >= settings['work_start'] && date.getHours() < settings['work_end'];
     };
-    
-    // check if the event has 'real' attendees, excluding the current user
-    var has_attendees = function(event)
-    {
-      return (event.attendees && event.attendees.length && (event.attendees.length > 1 || String(event.attendees[0].email).toLowerCase() != settings.identity.email));
-    };
-    
-    // check if the current user is an attendee of this event
-    var is_attendee = function(event, role, email)
-    {
-      var emails = email ? ';'+email.toLowerCase() : settings.identity.emails;
-      for (var i=0; event.attendees && i < event.attendees.length; i++) {
-        if ((!role || event.attendees[i].role == role) && event.attendees[i].email && emails.indexOf(';'+event.attendees[i].email.toLowerCase()) >= 0)
-          return event.attendees[i];
-      }
-      return false;
-    };
-    
-    // check if the current user is the organizer
-    var is_organizer = function(event, email)
-    {
-      return is_attendee(event, 'ORGANIZER', email) || !event.id;
-    };
-
-    /**
-     * Check permissions on the given calendar object
-     */
-    var has_permission = function(cal, perm)
-    {
-      // multiple chars means "either of"
-      if (String(perm).length > 1) {
-        for (var i=0; i < perm.length; i++) {
-          if (has_permission(cal, perm[i]))
-              return true;
-        }
-      }
-
-      if (cal.rights && String(cal.rights).indexOf(perm) >= 0) {
-        return true;
-      }
-
-      return (perm == 'i' && cal.editable) || (perm == 'v' && cal.editable);
-    }
 
     var load_attachment = function(event, att)
     {
@@ -514,7 +471,7 @@ function rcube_calendar_ui(settings)
         });
 
         var data, mystatus = null, rsvp, line, morelink, html = '', overflow = '',
-          organizer = is_organizer(event);
+          organizer = me.is_organizer(event);
 
         for (var j=0; j < event.attendees.length; j++) {
           data = event.attendees[j];
@@ -568,7 +525,7 @@ function rcube_calendar_ui(settings)
             .text(rcmail.gettext('status' + mystatus, 'libcalendaring'));
         }
 
-        var show_rsvp = rsvp && !organizer && event.status != 'CANCELLED' && has_permission(calendar, 'v');
+        var show_rsvp = rsvp && !organizer && event.status != 'CANCELLED' && me.has_permission(calendar, 'v');
         $('#event-rsvp')[(show_rsvp ? 'show' : 'hide')]();
         $('#event-rsvp .rsvp-buttons input').prop('disabled', false).filter('input[rel='+mystatus+']').prop('disabled', true);
 
@@ -596,7 +553,7 @@ function rcube_calendar_ui(settings)
           }
         });
       }
-      if (!temp && has_permission(calendar, 'td') && event.editable !== false) {
+      if (!temp && me.has_permission(calendar, 'td') && event.editable !== false) {
         buttons.push({
           text: rcmail.gettext('delete', 'calendar'),
           'class': 'delete',
@@ -737,7 +694,7 @@ function rcube_calendar_ui(settings)
         calendars.val($('option:first', calendars).attr('value'));
 
       invite.checked = settings.itip_notify & 1 > 0;
-      notify.checked = has_attendees(event) && invite.checked;
+      notify.checked = me.has_attendees(event) && invite.checked;
 
       if (event.allDay) {
         starttime.val("12:00").hide();
@@ -751,7 +708,7 @@ function rcube_calendar_ui(settings)
       // set calendar selection according to permissions
       calendars.find('option').each(function(i, opt) {
         var cal = me.calendars[opt.value] || {};
-        $(opt).prop('disabled', !(cal.editable || (action == 'new' && has_permission(cal, 'i'))))
+        $(opt).prop('disabled', !(cal.editable || (action == 'new' && me.has_permission(cal, 'i'))))
       });
 
       // set alarm(s)
@@ -783,13 +740,13 @@ function rcube_calendar_ui(settings)
         $('#edit-recurring-warning').hide();
 
       // init attendees tab
-      var organizer = !event.attendees || is_organizer(event),
+      var organizer = !event.attendees || me.is_organizer(event),
         allow_invitations = organizer || (calendar.owner && calendar.owner == 'anonymous') || settings.invite_shared;
       event_attendees = [];
       attendees_list = $('#edit-attendees-table > tbody').html('');
       resources_list = $('#edit-resources-table > tbody').html('');
-      $('#edit-attendees-notify')[(action != 'new' && allow_invitations && has_attendees(event) && (settings.itip_notify & 2) ? 'show' : 'hide')]();
-      $('#edit-localchanges-warning')[(action != 'new' && has_attendees(event) && !(allow_invitations || (calendar.owner && is_organizer(event, calendar.owner))) ? 'show' : 'hide')]();
+      $('#edit-attendees-notify')[(action != 'new' && allow_invitations && me.has_attendees(event) && (settings.itip_notify & 2) ? 'show' : 'hide')]();
+      $('#edit-localchanges-warning')[(action != 'new' && me.has_attendees(event) && !(allow_invitations || (calendar.owner && me.is_organizer(event, calendar.owner))) ? 'show' : 'hide')]();
 
       var load_attendees_tab = function()
       {
@@ -2554,13 +2511,13 @@ function rcube_calendar_ui(settings)
 
       if (!data) data = event;
       var decline = false, notify = false, html = '', cal = me.calendars[event.calendar],
-        _has_attendees = has_attendees(event), _is_organizer = is_organizer(event);
+        _has_attendees = me.has_attendees(event), _is_organizer = me.is_organizer(event);
 
       // event has attendees, ask whether to notify them
       if (_has_attendees) {
         var checked = (settings.itip_notify & 1 ? ' checked="checked"' : '');
 
-        if (action == 'remove' && cal.group != 'shared' && !_is_organizer && is_attendee(event)) {
+        if (action == 'remove' && cal.group != 'shared' && !_is_organizer && me.is_attendee(event)) {
           decline = true;
           checked = event.status != 'CANCELLED' ? checked : '';
           html += '<div class="message">' +
@@ -2588,7 +2545,7 @@ function rcube_calendar_ui(settings)
 
         // disable the 'future' savemode if I'm an attendee
         // reason: no calendaring system supports the thisandfuture range parameter in iTip REPLY
-        if (action == 'remove' && _has_attendees && !_is_organizer && is_attendee(event)) {
+        if (action == 'remove' && _has_attendees && !_is_organizer && me.is_attendee(event)) {
           future_disabled = ' disabled';
         }
 
@@ -3529,13 +3486,6 @@ function rcube_calendar_ui(settings)
         this.fisheye_view(this.fisheye_date);
     };
 
-    // resize and reposition (center) the dialog window
-    this.dialog_resize = function(id, height, width)
-    {
-      var win = $(window), w = win.width(), h = win.height();
-      $(id).dialog('option', { height: Math.min(h-20, height+130), width: Math.min(w-20, width+50) });
-    };
-
     // adjust calendar view size
     this.view_resize = function()
     {
@@ -3593,7 +3543,7 @@ function rcube_calendar_ui(settings)
 
       // insert to #calendar-select options if writeable
       select = $('#edit-calendar');
-      if (fc && has_permission(cal, 'i') && select.length && !select.find('option[value="'+id+'"]').length) {
+      if (fc && me.has_permission(cal, 'i') && select.length && !select.find('option[value="'+id+'"]').length) {
         $('<option>').attr('value', id).html(cal.name).appendTo(select);
       }
     }
diff --git a/plugins/libcalendaring/libcalendaring.js b/plugins/libcalendaring/libcalendaring.js
index c15fa048..c6bee178 100644
--- a/plugins/libcalendaring/libcalendaring.js
+++ b/plugins/libcalendaring/libcalendaring.js
@@ -94,6 +94,59 @@ function rcube_libcalendaring(settings)
       return fromto;
     };
 
+    /**
+     * Checks if the event/task has 'real' attendees, excluding the current user
+     */
+    this.has_attendees = function(event)
+    {
+        return !!(event.attendees && event.attendees.length && (event.attendees.length > 1 || String(event.attendees[0].email).toLowerCase() != settings.identity.email));
+    };
+
+    /**
+     * Check if the current user is an attendee of this event/task
+     */
+    this.is_attendee = function(event, role, email)
+    {
+        var i, emails = email ? ';' + email.toLowerCase() : settings.identity.emails;
+
+        for (i=0; event.attendees && i < event.attendees.length; i++) {
+            if ((!role || event.attendees[i].role == role) && event.attendees[i].email && emails.indexOf(';'+event.attendees[i].email.toLowerCase()) >= 0) {
+                return event.attendees[i];
+            }
+        }
+
+        return false;
+    };
+
+    /**
+     * Checks if the current user is the organizer of the event/task
+     */
+    this.is_organizer = function(event, email)
+    {
+        return this.is_attendee(event, 'ORGANIZER', email) || !event.id;
+    };
+
+    /**
+     * Check permissions on the given folder object
+     */
+    this.has_permission = function(folder, perm)
+    {
+        // multiple chars means "either of"
+        if (String(perm).length > 1) {
+            for (var i=0; i < perm.length; i++) {
+                if (this.has_permission(folder, perm[i])) {
+                    return true;
+                }
+            }
+        }
+
+        if (folder.rights && String(folder.rights).indexOf(perm) >= 0) {
+            return true;
+        }
+
+        return (perm == 'i' && folder.editable) || (perm == 'v' && folder.editable);
+    };
+
 
     /**
      * From time and date strings to a real date object
@@ -1000,6 +1053,17 @@ function rcube_libcalendaring(settings)
 
         container.empty().append(ul);
     }
+
+    // resize and reposition (center) the dialog window
+    this.dialog_resize = function(id, height, width)
+    {
+        var win = $(window), w = win.width(), h = win.height();
+
+        $(id).dialog('option', {
+            height: Math.min(h-20, height+130),
+            width: Math.min(w-20, width+50)
+        });
+    };
 }
 
 //////  static methods
diff --git a/plugins/tasklist/tasklist.js b/plugins/tasklist/tasklist.js
index a95b5960..42f7da3f 100644
--- a/plugins/tasklist/tasklist.js
+++ b/plugins/tasklist/tasklist.js
@@ -173,9 +173,9 @@ function rcube_tasklist_ui(settings)
         });
         tasklists_widget.addEventListener('select', function(node) {
             var id = $(this).data('id');
-            rcmail.enable_command('list-edit', has_permission(me.tasklists[node.id], 'wa'));
-            rcmail.enable_command('list-delete', has_permission(me.tasklists[node.id], 'xa'));
-            rcmail.enable_command('list-import', has_permission(me.tasklists[node.id], 'i'));
+            rcmail.enable_command('list-edit', me.has_permission(me.tasklists[node.id], 'wa'));
+            rcmail.enable_command('list-delete', me.has_permission(me.tasklists[node.id], 'xa'));
+            rcmail.enable_command('list-import', me.has_permission(me.tasklists[node.id], 'i'));
             rcmail.enable_command('list-remove', me.tasklists[node.id] && me.tasklists[node.id].removable);
             rcmail.enable_command('list-showurl', me.tasklists[node.id] && !!me.tasklists[node.id].caldavurl);
             me.selected_list = node.id;
@@ -738,27 +738,6 @@ function rcube_tasklist_ui(settings)
         });
     }
 
-    /**
-     * Check permissions on the given list object
-     */
-    function has_permission(list, perm)
-    {
-        // multiple chars means "either of"
-        if (String(perm).length > 1) {
-            for (var i=0; i < perm.length; i++) {
-                if (has_permission(list, perm[i])) {
-                    return true;
-                }
-            }
-        }
-
-        if (list.rights && String(list.rights).indexOf(perm) >= 0) {
-            return true;
-        }
-
-        return (perm == 'i' && list.editable);
-    }
-
     /**
      * Request counts from the server
      */
@@ -1247,7 +1226,7 @@ function rcube_tasklist_ui(settings)
             list = drop_rec && me.tasklists[drop_rec.list] ? me.tasklists[drop_rec.list] : { editable:true };
 
         // target is not editable or already has this tag assigned
-        if (!drop_rec || drop_rec.readonly || !has_permission(list, 'i') || (drop_rec.tags && $.inArray(tag, drop_rec.tags) >= 0)) {
+        if (!drop_rec || drop_rec.readonly || !me.has_permission(list, 'i') || (drop_rec.tags && $.inArray(tag, drop_rec.tags) >= 0)) {
             return false;
         }
 
@@ -1370,7 +1349,7 @@ function rcube_tasklist_ui(settings)
     function save_task(rec, action)
     {
         // show confirmation dialog when status of an assigned task has changed
-        if (rec._status_before !== undefined && is_attendee(rec))
+        if (rec._status_before !== undefined && me.is_attendee(rec))
             return save_task_confirm(rec, action);
 
         if (!rcmail.busy) {
@@ -1393,7 +1372,7 @@ function rcube_tasklist_ui(settings)
           do_confirm = settings.itip_notify & 2;
 
         // task has attendees, ask whether to notify them
-        if (has_attendees(rec) && is_organizer(rec)) {
+        if (me.has_attendees(rec) && me.is_organizer(rec)) {
             notify = true;
             if (do_confirm) {
                 html = rcmail.gettext('changeconfirmnotifications', 'tasklist');
@@ -1403,7 +1382,7 @@ function rcube_tasklist_ui(settings)
             }
         }
         // ask whether to change my partstat and notify organizer
-        else if (data._status_before !== undefined && data.status && data._status_before != data.status && is_attendee(rec)) {
+        else if (data._status_before !== undefined && data.status && data._status_before != data.status && me.is_attendee(rec)) {
           partstat = true;
           if (do_confirm) {
               html = rcmail.gettext('partstatupdatenotification', 'tasklist');
@@ -1885,29 +1864,8 @@ function rcube_tasklist_ui(settings)
             scroll_timer = window.setTimeout(function(){ tasklist_drag_scroll(container, dir); }, scroll_speed);
     }
 
-    // check if the task has 'real' attendees, excluding the current user
-    var has_attendees = function(task)
-    {
-        return !!(task.attendees && task.attendees.length && (task.attendees.length > 1 || String(task.attendees[0].email).toLowerCase() != settings.identity.email));
-    };
-
-    // check if the current user is an attendee of this task
-    var is_attendee = function(task, email, role)
-    {
-        var i, attendee, emails = email ? ';' + email.toLowerCase() : settings.identity.emails;
-
-        for (i=0; task.attendees && i < task.attendees.length; i++) {
-            attendee = task.attendees[i];
-            if ((!role || attendee.role == role) && attendee.email && emails.indexOf(';'+attendee.email.toLowerCase()) >= 0) {
-                return attendee;
-            }
-        }
-
-        return false;
-    };
-
     // check if the current user is the organizer
-    var is_organizer = function(task, email)
+    this.is_organizer = function(task, email)
     {
         if (!email) email = task.organizer ? task.organizer.email : null;
         if (email)
@@ -2140,7 +2098,7 @@ function rcube_tasklist_ui(settings)
             });
 */
             var j, data, rsvp = false, mystatus = null, line, morelink, html = '', overflow = '',
-                organizer = is_organizer(rec);
+                organizer = me.is_organizer(rec);
 
             for (j=0; j < rec.attendees.length; j++) {
                 data = rec.attendees[j];
@@ -2194,7 +2152,7 @@ function rcube_tasklist_ui(settings)
                     .html(rcmail.gettext('status' + mystatus, 'libcalendaring'));
             }
 */
-            var show_rsvp = !temp && rsvp && list.editable && !is_organizer(rec) && rec.status != 'CANCELLED';
+            var show_rsvp = !temp && rsvp && list.editable && !me.is_organizer(rec) && rec.status != 'CANCELLED';
             $('#task-rsvp')[(show_rsvp ? 'show' : 'hide')]();
             $('#task-rsvp .rsvp-buttons input').prop('disabled', false).filter('input[rel='+mystatus+']').prop('disabled', true);
 
@@ -2221,7 +2179,7 @@ function rcube_tasklist_ui(settings)
             });
         }
 
-        if (has_permission(list, 'td') && !rec.readonly) {
+        if (me.has_permission(list, 'td') && !rec.readonly) {
             buttons.push({
                 text: rcmail.gettext('delete','tasklist'),
                 'class': 'delete',
@@ -2456,7 +2414,7 @@ function rcube_tasklist_ui(settings)
             list = rec.list && me.tasklists[rec.list] ? me.tasklists[rec.list] :
                 (me.selected_list ? me.tasklists[me.selected_list] : { editable: action == 'new', rights: action == 'new' ? 'rwitd' : 'r' });
 
-        if (rcmail.busy || !has_permission(list, 'i') || (action == 'edit' && (!rec || rec.readonly)))
+        if (rcmail.busy || !me.has_permission(list, 'i') || (action == 'edit' && (!rec || rec.readonly)))
             return false;
 
         me.selected_task = $.extend({ valarms:[] }, rec);  // clone task object
@@ -2488,12 +2446,12 @@ function rcube_tasklist_ui(settings)
         var comment = $('#edit-attendees-comment');
 
         invite.checked = settings.itip_notify & 1 > 0;
-        notify.checked = has_attendees(rec) && invite.checked;
+        notify.checked = me.has_attendees(rec) && invite.checked;
 
         // set tasklist selection according to permissions
         tasklist.find('option').each(function(i, opt) {
             var l = me.tasklists[opt.value] || {},
-                writable = l.editable || (action == 'new' && has_permission(l, 'i'));
+                writable = l.editable || (action == 'new' && me.has_permission(l, 'i'));
             $(opt).prop('disabled', !writable);
 
             if (!selected_list && writable)
@@ -2536,13 +2494,13 @@ function rcube_tasklist_ui(settings)
         me.set_recurrence_edit(rec);
 
         // init attendees tab
-        var organizer = !rec.attendees || is_organizer(rec),
+        var organizer = !rec.attendees || me.is_organizer(rec),
             allow_invitations = organizer || (rec.owner && rec.owner == 'anonymous') || settings.invite_shared;
 
         task_attendees = [];
         attendees_list = $('#edit-attendees-table > tbody').html('');
-        $('#edit-attendees-notify')[(allow_invitations && has_attendees(rec) && (settings.itip_notify & 2) ? 'show' : 'hide')]();
-        $('#edit-localchanges-warning')[(has_attendees(rec) && !(allow_invitations || (rec.owner && is_organizer(rec, rec.owner))) ? 'show' : 'hide')]();
+        $('#edit-attendees-notify')[(allow_invitations && me.has_attendees(rec) && (settings.itip_notify & 2) ? 'show' : 'hide')]();
+        $('#edit-localchanges-warning')[(me.has_attendees(rec) && !(allow_invitations || (rec.owner && me.is_organizer(rec, rec.owner))) ? 'show' : 'hide')]();
 
         // attendees (aka assignees)
         if (list.attendees) {
@@ -2697,7 +2655,7 @@ function rcube_tasklist_ui(settings)
             }
 
             // tell server to send notifications
-            if ((has_attendees(data) || (rec.id && has_attendees(rec))) && allow_invitations && (notify.checked || invite.checked || need_invitation)) {
+            if ((me.has_attendees(data) || (rec.id && me.has_attendees(rec))) && allow_invitations && (notify.checked || invite.checked || need_invitation)) {
                 data._notify = settings.itip_notify;
                 data._comment = comment.val();
             }
@@ -2935,13 +2893,13 @@ function rcube_tasklist_ui(settings)
             });
         }
 
-        if (is_attendee(rec)) {
+        if (me.is_attendee(rec)) {
             html += '<div class="task-dialog-message">' +
                 '<label><input class="confirm-attendees-decline" type="checkbox" checked="checked" value="1" name="_decline" />&nbsp;' +
                     rcmail.gettext('itipdeclinetask', 'tasklist') + 
                 '</label></div>';
         }
-        else if (has_attendees(rec) && is_organizer(rec)) {
+        else if (me.has_attendees(rec) && me.is_organizer(rec)) {
             html += '<div class="task-dialog-message">' +
                 '<label><input class="confirm-attendees-notify" type="checkbox" checked="checked" value="1" name="_notify" />&nbsp;' +
                     rcmail.gettext('sendcancellation', 'tasklist') + 
@@ -3107,7 +3065,7 @@ function rcube_tasklist_ui(settings)
                 editform = $('#tasklisteditform');
                 me.dialog_resize(rcmail.gui_containers.tasklistform, editform.height(), editform.width());
 
-                name = $('#taskedit-tasklistame').prop('disabled', !has_permission(list, 'a')||list.norename).val(list.editname || list.name);
+                name = $('#taskedit-tasklistame').prop('disabled', !me.has_permission(list, 'a')||list.norename).val(list.editname || list.name);
                 alarms = $('#taskedit-showalarms').prop('checked', list.showalarms).get(0);
                 name.select();
 
@@ -3427,13 +3385,6 @@ function rcube_tasklist_ui(settings)
         return active;
     }
 
-    // resize and reposition (center) the dialog window
-    this.dialog_resize = function(id, height, width)
-    {
-        var win = $(window), w = win.width(), h = win.height();
-        $(id).dialog('option', { height: Math.min(h-20, height+130), width: Math.min(w-20, width+50) });
-    };
-
     /**
      * Enable/disable focusview mode for the given list
      */