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authorstuconnolly <stuart02@gmail.com>2010-03-09 15:25:36 +0000
committerstuconnolly <stuart02@gmail.com>2010-03-09 15:25:36 +0000
commit2e77b3e6b1064403c8518d4c6bae6be8a7cdd3de (patch)
tree09a1bdac4daddb818a590b684a320bc9b529d064 /Source/SPUserManager.m
parent6560b2e188308d41d16c1e5d8c5b3bc05dbae8fe (diff)
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Fix an exception in the user manager caused by sorting the users list by making the user manager KVO compliant for the sort descriptors array. Also, add a bunch of comments and general tidy up on SPUserManager.m.
Diffstat (limited to 'Source/SPUserManager.m')
-rw-r--r--Source/SPUserManager.m176
1 files changed, 120 insertions, 56 deletions
diff --git a/Source/SPUserManager.m b/Source/SPUserManager.m
index 0cc2b125..9ce7e5d4 100644
--- a/Source/SPUserManager.m
+++ b/Source/SPUserManager.m
@@ -62,6 +62,7 @@
@synthesize schemas;
@synthesize grantedSchemaPrivs;
@synthesize availablePrivs;
+@synthesize treeSortDescriptors;
- (id)init
{
@@ -88,27 +89,6 @@
return self;
}
-/**
- * Dealloc. Get rid of everything.
- */
-- (void)dealloc
-{
- [[NSNotificationCenter defaultCenter] removeObserver:self
- name:NSManagedObjectContextDidSaveNotification
- object:nil];
- [managedObjectContext release];
- [persistentStoreCoordinator release];
- [managedObjectModel release];
- [privColumnToGrantMap release];
- [mySqlConnection release];
- [privsSupportedByServer release];
- [schemas release];
- [availablePrivs release];
- [grantedSchemaPrivs release];
-
- [super dealloc];
-}
-
/**
* UI specific items to set up when the window loads. This is different than awakeFromNib
* as it's only called once.
@@ -128,6 +108,11 @@
[self _initializeUsers];
[self _initializeSchemaPrivs];
+
+ treeSortDescriptor = [[NSSortDescriptor alloc] initWithKey:@"displayName" ascending:YES];
+
+ [self setTreeSortDescriptors:[NSArray arrayWithObject:treeSortDescriptor]];
+
[super windowDidLoad];
}
@@ -193,11 +178,12 @@
isInitializing = FALSE;
}
+/**
+ * Initialize the outline view tree. The NSOutlineView gets it's data from a NSTreeController which gets
+ * it's data from the SPUser Entity objects in the current managedObjectContext.
+ */
- (void)_initializeTree:(NSArray *)items
-{
- // The NSOutlineView gets it's data from a NSTreeController which gets
- // it's data from the SPUser Entity objects in the current managedObjectContext.
-
+{
// Go through each item that contains a dictionary of key-value pairs
// for each user currently in the database.
for(NSInteger i = 0; i < [items count]; i++)
@@ -243,12 +229,16 @@
}
[parentResults release];
}
+
// Reload data of the outline view with the changes.
[outlineView reloadData];
[treeController rearrangeObjects];
}
-- (void) _initializeAvailablePrivs
+/**
+ * Initialize the available user privileges.
+ */
+- (void)_initializeAvailablePrivs
{
// Initialize available privileges
NSManagedObjectContext *moc = self.managedObjectContext;
@@ -256,6 +246,7 @@
inManagedObjectContext:moc];
NSArray *props = [privEntityDescription attributeKeys];
[availablePrivs removeAllObjects];
+
for (NSString *prop in props)
{
if ([prop hasSuffix:@"_priv"] && [[self.privsSupportedByServer objectForKey:prop] boolValue])
@@ -266,25 +257,31 @@
}
}
+
[availableController rearrangeObjects];
-
}
+
+/**
+ * Initialize the available schema privileges.
+ */
- (void)_initializeSchemaPrivs
{
// Initialize Databases
MCPResult *results = [self.mySqlConnection listDBs];
+
if ([results numOfRows]) {
[results dataSeek:0];
}
+
for (int i = 0; i < [results numOfRows]; i++) {
[schemas addObject:[results fetchRowAsDictionary]];
}
- [schemaController rearrangeObjects];
- [self _initializeAvailablePrivs];
-
+ [schemaController rearrangeObjects];
+ [self _initializeAvailablePrivs];
}
+
/**
* Set NSManagedObject with values from the passed in dictionary.
*/
@@ -325,6 +322,9 @@
}
}
+/**
+ * Initialize the schema privileges for the supplied child object.
+ */
- (void)_initializeSchemaPrivsForChild:(NSManagedObject *)child
{
// Assumes that the child has already been initialized with values from the
@@ -361,7 +361,6 @@
NSMutableSet *privs = [child mutableSetValueForKey:@"schema_privileges"];
[privs addObject:dbPriv];
}
-
}
/**
@@ -531,13 +530,6 @@
return YES;
}
-- (NSArray *)treeSortDescriptors
-{
- NSSortDescriptor *descriptor = [[[NSSortDescriptor alloc] initWithKey:@"displayName" ascending:YES] autorelease];
-
- return [NSArray arrayWithObject:descriptor];
-}
-
#pragma mark -
#pragma mark General IBAction methods
@@ -614,9 +606,11 @@
@catch (NSException * e) {
}
}
-
}
+/**
+ * Adds a new user to the current database.
+ */
- (IBAction)addUser:(id)sender
{
// Adds a new SPUser objects to the managedObjectContext and sets default values
@@ -636,6 +630,9 @@
[[self window] makeFirstResponder:userNameTextField];
}
+/**
+ * Removes the currently selected user from the current database.
+ */
- (IBAction)removeUser:(id)sender
{
NSString *username = [[[treeController selectedObjects] objectAtIndex:0]
@@ -646,9 +643,13 @@
{
[child setPrimitiveValue:username forKey:@"user"];
}
+
[treeController remove:sender];
}
+/**
+ * Adds a new host to the currently selected user.
+ */
- (IBAction)addHost:(id)sender
{
if ([[treeController selectedObjects] count] > 0)
@@ -658,6 +659,7 @@
[self _selectParentFromSelection];
}
}
+
[treeController addChild:sender];
// The newly added item will be selected as it is added, but only after the next iteration of the
@@ -665,12 +667,17 @@
[self performSelector:@selector(editNewHost) withObject:nil afterDelay:0.1];
}
-// Perform a deferred edit of the currently selected row.
+/**
+ * Perform a deferred edit of the currently selected row.
+ */
- (void)editNewHost
{
[outlineView editColumn:0 row:[outlineView selectedRow] withEvent:nil select:TRUE];
}
+/**
+ * Removes the currently selected host from it's parent user.
+ */
- (IBAction)removeHost:(id)sender
{
// Set the username on the child so that it's accessabile when building
@@ -679,6 +686,7 @@
NSManagedObject *parent = [child valueForKey:@"parent"];
[child setPrimitiveValue:[[child valueForKey:@"parent"] valueForKey:@"user"] forKey:@"user"];
[treeController remove:sender];
+
if ([[parent valueForKey:@"children"] count] == 0)
{
NSAlert *alert = [NSAlert alertWithMessageText:@"User doesn't have any hosts."
@@ -690,6 +698,9 @@
}
}
+/**
+ * Adds a new schema privilege.
+ */
- (IBAction)addSchemaPriv:(id)sender
{
NSArray *selectedObjects = [availableController selectedObjects];
@@ -700,6 +711,9 @@
[self _setSchemaPrivValues:selectedObjects enabled:YES];
}
+/**
+ * Removes a schema privilege.
+ */
- (IBAction)removeSchemaPriv:(id)sender
{
NSArray *selectedObjects = [grantedController selectedObjects];
@@ -708,9 +722,11 @@
[grantedController removeObjects:selectedObjects];
[grantedTableView reloadData];
[self _setSchemaPrivValues:selectedObjects enabled:NO];
-
}
+/**
+ * Refreshes the current list of users.
+ */
- (IBAction)refresh:(id)sender
{
if ([self.managedObjectContext hasChanges])
@@ -720,18 +736,20 @@
alternateButton:NSLocalizedString(@"Cancel", @"cancel button")
otherButton:nil
informativeTextWithFormat:@"Window has changes. All changes will be lost!"];
+
[alert setAlertStyle:NSWarningAlertStyle];
+
if ([alert runModal] == NSAlertAlternateReturn) // cancel
{
return;
}
}
+
[self.managedObjectContext reset];
[grantedSchemaPrivs removeAllObjects];
[grantedTableView reloadData];
[self _initializeAvailablePrivs];
[treeController fetch:nil];
-
}
- (void)_setSchemaPrivValues:(NSArray *)objects enabled:(BOOL)enabled
@@ -770,8 +788,8 @@
NSMutableSet *privs = [selectedHost mutableSetValueForKey:@"schema_privileges"];
[privs addObject:priv];
}
-
}
+
- (void)_clearData
{
[managedObjectContext reset];
@@ -779,6 +797,9 @@
managedObjectContext = nil;
}
+/**
+ * Menu item validation.
+ */
- (BOOL)validateMenuItem:(NSMenuItem *)menuItem
{
// Only allow removing hosts of a host node is selected.
@@ -881,7 +902,8 @@
- (BOOL)updateUsers:(NSArray *)updatedUsers
{
- for (NSManagedObject *user in updatedUsers) {
+ for (NSManagedObject *user in updatedUsers)
+ {
if ([[[user entity] name] isEqualToString:@"Privileges"])
{
[self grantDbPrivilegesWithPrivilege:user];
@@ -905,7 +927,6 @@
} else {
[self grantPrivilegesToUser:user];
}
-
}
return YES;
@@ -914,6 +935,7 @@
- (BOOL)deleteUsers:(NSArray *)deletedUsers
{
NSMutableString *droppedUsers = [NSMutableString string];
+
for (NSManagedObject *user in deletedUsers)
{
if (![[[user entity] name] isEqualToString:@"Privileges"] && [user valueForKey:@"host"] != nil)
@@ -924,9 +946,11 @@
}
}
+
droppedUsers = [[droppedUsers substringToIndex:[droppedUsers length]-2] mutableCopy];
[self.mySqlConnection queryString:[NSString stringWithFormat:@"DROP USER %@", droppedUsers]];
[droppedUsers release];
+
return TRUE;
}
@@ -966,14 +990,13 @@
if ([self checkAndDisplayMySqlError])
[self grantPrivilegesToUser:user];
}
-
}
+
return YES;
}
/**
- * Grant or revoke db privileges to the given user
- *
+ * Grant or revoke DB privileges for the supplied user.
*/
- (BOOL)grantDbPrivilegesWithPrivilege:(NSManagedObject *)schemaPriv
{
@@ -981,6 +1004,7 @@
NSMutableArray *revokePrivileges = [NSMutableArray array];
NSString *dbName = [schemaPriv valueForKey:@"db"];
+
for (NSString *key in self.privsSupportedByServer)
{
if (![key hasSuffix:@"_priv"]) continue;
@@ -997,6 +1021,7 @@
@catch (NSException * e) {
}
}
+
// Grant privileges
if ([grantPrivileges count] > 0)
{
@@ -1021,11 +1046,13 @@
DLog(@"%@", revokeStatement);
[self.mySqlConnection queryString:revokeStatement];
[self checkAndDisplayMySqlError];
- }
+ }
+
return TRUE;
}
+
/**
- * Grant or revoke privileges to the given user
+ * Grant or revoke privileges for the supplied user.
*/
- (BOOL)grantPrivilegesToUser:(NSManagedObject *)user
{
@@ -1052,6 +1079,7 @@
@catch (NSException * e) {
}
}
+
// Grant privileges
if ([grantPrivileges count] > 0)
{
@@ -1077,7 +1105,7 @@
}
}
- for(NSManagedObject *priv in [user valueForKey:@"schema_privileges"])
+ for (NSManagedObject *priv in [user valueForKey:@"schema_privileges"])
{
[self grantDbPrivilegesWithPrivilege:priv];
}
@@ -1085,8 +1113,10 @@
return TRUE;
}
-// Gets any NSManagedObject (SPUser) from the managedObjectContext that may
-// already exist with the given username.
+/**
+ * Gets any NSManagedObject (SPUser) from the managedObjectContext that may
+ * already exist with the given username.
+ */
- (NSArray *)_fetchUserWithUserName:(NSString *)username
{
NSManagedObjectContext *moc = [self managedObjectContext];
@@ -1100,6 +1130,7 @@
NSError *error = nil;
NSArray *array = [moc executeFetchRequest:request error:&error];
+
if (error != nil)
{
[[NSApplication sharedApplication] presentError:error];
@@ -1120,15 +1151,18 @@
NSError *error = nil;
NSArray *array = [moc executeFetchRequest:request error:&error];
+
if (error != nil)
{
[[NSApplication sharedApplication] presentError:error];
}
- return array;
+ return array;
}
-// Creates a new NSManagedObject and inserts it into the managedObjectContext.
+/**
+ * Creates a new NSManagedObject and inserts it into the managedObjectContext.
+ */
- (NSManagedObject *)_createNewSPUser
{
NSManagedObject *user = [NSEntityDescription insertNewObjectForEntityForName:@"SPUser"
@@ -1137,7 +1171,9 @@
return user;
}
-// Displays alert panel if there is an error condition currently on the mySqlConnection
+/**
+ * Displays an alert panel if there was an error condition on the MySQL connection.
+ */
- (BOOL)checkAndDisplayMySqlError
{
if (![[self.mySqlConnection getLastErrorMessage] isEqualToString:@""]) {
@@ -1208,14 +1244,18 @@
[grantedSchemaPrivs removeAllObjects];
[grantedTableView reloadData];
[self _initializeAvailablePrivs];
+
if ([[treeController selectedObjects] count] > 0 && [[schemaController selectedObjects] count] > 0) {
NSManagedObject *user = [[treeController selectedObjects] objectAtIndex:0];
+
// Check to see if the user host node was selected
if ([user valueForKey:@"host"]) {
NSString *selectedSchema = [[[schemaController selectedObjects] objectAtIndex:0] valueForKey:@"Database"];
NSArray *results = [self _fetchPrivsWithUser:[[user parent] valueForKey:@"user"] schema:selectedSchema host:[user valueForKey:@"host"]];
+
if ([results count] > 0) {
NSManagedObject *priv = [results objectAtIndex:0];
+
for (NSPropertyDescription *property in [priv entity])
{
if ([[property name] hasSuffix:@"_priv"] && [[priv valueForKey:[property name]] boolValue])
@@ -1266,4 +1306,28 @@
}
}
+#pragma mark -
+
+/**
+ * Dealloc. Get rid of everything.
+ */
+- (void)dealloc
+{
+ [[NSNotificationCenter defaultCenter] removeObserver:self
+ name:NSManagedObjectContextDidSaveNotification
+ object:nil];
+ [managedObjectContext release];
+ [persistentStoreCoordinator release];
+ [managedObjectModel release];
+ [privColumnToGrantMap release];
+ [mySqlConnection release];
+ [privsSupportedByServer release];
+ [schemas release];
+ [availablePrivs release];
+ [grantedSchemaPrivs release];
+ [treeSortDescriptor release];
+
+ [super dealloc];
+}
+
@end