/*
  Copyright (C) 2004-2005 SKYRIX Software AG

  This file is part of OpenGroupware.org.

  OGo is free software; you can redistribute it and/or modify it under
  the terms of the GNU Lesser General Public License as published by the
  Free Software Foundation; either version 2, or (at your option) any
  later version.

  OGo is distributed in the hope that it will be useful, but WITHOUT ANY
  WARRANTY; without even the implied warranty of MERCHANTABILITY or
  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
  License for more details.

  You should have received a copy of the GNU Lesser General Public
  License along with OGo; see the file COPYING.  If not, write to the
  Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
  02111-1307, USA.
*/

#include "SOGoObject.h"
#include "SOGoUserFolder.h"
#include "common.h"

@interface SOGoObject(Content)
- (NSString *)contentAsString;
@end

@implementation SOGoObject

- (BOOL)doesRetainContainer {
  return YES;
}

- (id)initWithName:(NSString *)_name inContainer:(id)_container {
  if ((self = [super init])) {
    self->nameInContainer = [_name copy];
    self->container = 
      [self doesRetainContainer] ? [_container retain] : _container;
  }
  return self;
}
- (id)init {
  return [self initWithName:nil inContainer:nil];
}

- (void)dealloc {
  if ([self doesRetainContainer])
    [self->container release];
  [self->nameInContainer release];
  [super dealloc];
}

/* accessors */

- (NSString *)nameInContainer {
  return self->nameInContainer;
}
- (id)container {
  return self->container;
}

/* ownership */

- (NSString *)ownerInContext:(id)_ctx {
  return [[self container] ownerInContext:_ctx];
}

/* hierarchy */

- (NSArray *)fetchSubfolders {
  NSMutableArray *ma;
  NSArray  *names;
  unsigned i, count;
  
  if ((names = [self toManyRelationshipKeys]) == nil)
    return nil;
  
  count = [names count];
  ma    = [NSMutableArray arrayWithCapacity:count + 1];
  for (i = 0; i < count; i++) {
    id folder;
    
    folder = [self lookupName:[names objectAtIndex:i] inContext:nil 
		   acquire:NO];
    if (folder == nil)
      continue;
    if ([folder isKindOfClass:[NSException class]])
      continue;
    
    [ma addObject:folder];
  }
  return ma;
}

/* looking up shared objects */

- (SOGoUserFolder *)lookupUserFolder {
  if (![self->container respondsToSelector:_cmd])
    return nil;
  
  return [self->container lookupUserFolder];
}
- (SOGoGroupsFolder *)lookupGroupsFolder {
  return [[self lookupUserFolder] lookupGroupsFolder];
}

- (void)sleep {
  if ([self doesRetainContainer])
    [self->container release];
  self->container = nil;
}

/* operations */

- (NSException *)delete {
  return [NSException exceptionWithHTTPStatus:501 /* not implemented */
		      reason:@"delete not yet implemented, sorry ..."];
}

/* KVC hacks */

- (id)valueForUndefinedKey:(NSString *)_key {
  return nil;
}

/* WebDAV */

- (NSString *)davDisplayName {
  return [self nameInContainer];
}

/* actions */

- (id)DELETEAction:(id)_ctx {
  return [self delete];
}

- (id)GETAction:(id)_ctx {
  // TODO: I guess this should really be done by SOPE (redirect to
  //       default method)
  WORequest  *rq;
  WOResponse *r;
  NSString *uri;
  
  rq = [(WOContext *)_ctx request];
  if ([rq isSoWebDAVRequest]) {
    if ([self respondsToSelector:@selector(contentAsString)])
      return [self contentAsString];
    
    return [NSException exceptionWithHTTPStatus:501 /* not implemented */
			reason:@"no WebDAV GET support?!"];
  }
  
  uri = [rq uri];
  if (![uri hasSuffix:@"/"]) uri = [uri stringByAppendingString:@"/"];
  uri = [uri stringByAppendingString:@"view"];
  
  r = [(WOContext *)_ctx response];
  [r setStatus:302 /* moved */];
  [r setHeader:uri forKey:@"location"];
  return r;
}

/* description */

- (void)appendAttributesToDescription:(NSMutableString *)_ms {
  if (self->nameInContainer != nil) 
    [_ms appendFormat:@" name=%@", self->nameInContainer];
  if (self->container != nil) {
    [_ms appendFormat:@" container=0x%08X/%@", 
	   self->container, [self->container valueForKey:@"nameInContainer"]];
  }
}

- (NSString *)description {
  NSMutableString *ms;

  ms = [NSMutableString stringWithCapacity:64];
  [ms appendFormat:@"<0x%08X[%@]:", self, NSStringFromClass([self class])];
  [self appendAttributesToDescription:ms];
  [ms appendString:@">"];
  return ms;
}

@end /* SOGoObject */