From e765e2551f20f189d66404336b9df5c06506351a Mon Sep 17 00:00:00 2001
From: helge <helge@d1b88da0-ebda-0310-925b-ed51d893ca5b>
Date: Wed, 6 Jul 2005 15:50:40 +0000
Subject: [PATCH] improved error handling in mail-view

git-svn-id: http://svn.opengroupware.org/SOGo/trunk@670 d1b88da0-ebda-0310-925b-ed51d893ca5b
---
 SOGo/UI/MailerUI/ChangeLog                    | 11 ++++++
 SOGo/UI/MailerUI/README                       | 39 +++++++++++++++++++
 SOGo/UI/MailerUI/UIxMailMainFrame.m           | 26 +++++++++++++
 SOGo/UI/MailerUI/UIxMailView.m                | 30 ++++++++++----
 .../Templates/MailerUI/UIxMailMainFrame.wox   |  2 +
 5 files changed, 100 insertions(+), 8 deletions(-)

diff --git a/SOGo/UI/MailerUI/ChangeLog b/SOGo/UI/MailerUI/ChangeLog
index 48862a75..ce1bdbb7 100644
--- a/SOGo/UI/MailerUI/ChangeLog
+++ b/SOGo/UI/MailerUI/ChangeLog
@@ -1,3 +1,14 @@
+2005-07-06  Helge Hess  <helge.hess@opengroupware.org>
+
+	* v0.9.124
+
+	* UIxMailView.m: improved error handling in case the delete flag could
+	  not be set
+
+	* UIxMailMainFrame.m: added -hasErrorText / -errorText / 
+	  -errorAlertJavaScript methods to deal with errors encoded in the
+	  'error' form parameter
+
 2005-03-24  Helge Hess  <helge.hess@opengroupware.org>
 
 	* v0.9.123
diff --git a/SOGo/UI/MailerUI/README b/SOGo/UI/MailerUI/README
index 60b6beb3..7d61fac7 100644
--- a/SOGo/UI/MailerUI/README
+++ b/SOGo/UI/MailerUI/README
@@ -20,6 +20,45 @@ UIxMailMainFrame.wox
 UIxMailTree.wox
 UIxMailView.wox
 
+Class Hierarchy
+===============
+
+[NSObject]
+  MailerUIProduct
+  [WOComponent]
+    [SoComponent]
+      <UIxComponent>
+        UIxFilterList
+        UIxMailAccountView
+        UIxMailAccountsView
+        UIxMailAddressbook
+        UIxMailEditor
+        (Scheduler_Privates)
+        UIxMailListView
+        UIxMailMainFrame
+        UIxMailToSelection
+        UIxMailToolbar
+        UIxMailTree
+        UIxMailView
+        UIxSieveEditor
+      UIxMailSortableTableHeader
+    UIxMailEditorAttach.m
+    UIxMailFilterPanel
+    UIxMailMoveToPopUp
+    UIxMailWindowCloser
+  [WODirectAction]
+    UIxMailEditorAction
+      UIxMailForwardAction
+      UIxMailReplyAction
+  [NSFormatter]
+    UIxMailFormatter
+      UIxMailDateFormatter
+      UIxSubjectFormatter
+      UIxEnvelopeAddressFormatter
+  UIxMailTreeBlock
+  [WOContext]
+    (UIxMailer)
+
 Defaults
 ========
 
diff --git a/SOGo/UI/MailerUI/UIxMailMainFrame.m b/SOGo/UI/MailerUI/UIxMailMainFrame.m
index 1917e7c4..5a4ced7e 100644
--- a/SOGo/UI/MailerUI/UIxMailMainFrame.m
+++ b/SOGo/UI/MailerUI/UIxMailMainFrame.m
@@ -158,4 +158,30 @@ static NSString *treeRootClassName = nil;
   return [[self userRootURL] stringByAppendingString:@"Contacts/"];
 }
 
+/* error handling */
+
+- (BOOL)hasErrorText {
+  return [[[[self context] request] formValueForKey:@"error"] length] > 0
+    ? YES : NO;
+}
+- (NSString *)errorText {
+  return [[[self context] request] formValueForKey:@"error"];
+}
+
+- (NSString *)errorAlertJavaScript {
+  NSString *errorText;
+  
+  if ([(errorText = [self errorText]) length] == 0)
+    return nil;
+  
+  // TODO: proper JavaScript escaping
+  errorText = [errorText stringByEscapingHTMLString];
+  errorText = [errorText stringByReplacingString:@"\"" withString:@"'"];
+  
+  return [NSString stringWithFormat:
+		     @"<script language=\"JavaScript\">"
+		     @"alert(\"%@\");"
+		     @"</script>", errorText];
+}
+
 @end /* UIxMailMainFrame */
diff --git a/SOGo/UI/MailerUI/UIxMailView.m b/SOGo/UI/MailerUI/UIxMailView.m
index 917feebe..ffe89b11 100644
--- a/SOGo/UI/MailerUI/UIxMailView.m
+++ b/SOGo/UI/MailerUI/UIxMailView.m
@@ -121,19 +121,37 @@
   return NO;
 }
 
+- (id)redirectToParentFolder {
+  id url;
+  
+  url = [[[self clientObject] container] baseURLInContext:[self context]];
+  return [self redirectToLocation:url];
+}
+
 - (id)deleteAction {
   NSException *ex;
-  
+
   if (![self isDeletableClientObject]) {
     return [NSException exceptionWithHTTPStatus:400 /* Bad Request */
                         reason:@"method cannot be invoked on "
                                @"the specified object"];
   }
   
+  if ([self isInvokedBySafeMethod]) {
+    // TODO: fix UI to use POST for unsafe actions
+    [self logWithFormat:@"WARNING: method is invoked using safe HTTP method!"];
+  }
+  
   if ((ex = [[self clientObject] delete]) != nil) {
     // TODO: improve error handling
+    id url;
+    
     [self debugWithFormat:@"failed to delete: %@", ex];
-    return ex;
+    
+    url = [[ex reason] stringByEscapingURL];
+    url = [@"view?error=" stringByAppendingString:url];
+    return [self redirectToLocation:url];
+    //return ex;
   }
   
   if (![self isInlineViewer]) {
@@ -144,12 +162,8 @@
     [page takeValue:@"YES" forKey:@"refreshOpener"];
     return page;
   }
-  else {
-    id url;
-
-    url = [[[self clientObject] container] baseURLInContext:[self context]];
-    return [self redirectToLocation:url];
-  }
+  
+  return [self redirectToParentFolder];
 }
 
 - (id)getMailAction {
diff --git a/SOGo/UI/Templates/MailerUI/UIxMailMainFrame.wox b/SOGo/UI/Templates/MailerUI/UIxMailMainFrame.wox
index 6e80dcf9..8b183415 100644
--- a/SOGo/UI/Templates/MailerUI/UIxMailMainFrame.wox
+++ b/SOGo/UI/Templates/MailerUI/UIxMailMainFrame.wox
@@ -91,6 +91,8 @@
       </tr>
     </table>
    </form>
+
+   <var:string value="errorAlertJavaScript" const:escapeHTML="NO" />
   </body>
 </html>
    </var:if>
-- 
2.39.2