code.grnet.gr Git - pithos-ios/blob - Classes/AccountGroupsViewController.m

   1 //
   2 //  AccountGroupsViewController.m
   3 //  pithos-ios
   4 //
   5 // Copyright 2011-2013 GRNET S.A. All rights reserved.
   6 //
   7 // Redistribution and use in source and binary forms, with or
   8 // without modification, are permitted provided that the following
   9 // conditions are met:
  10 //
  11 //   1. Redistributions of source code must retain the above
  12 //      copyright notice, this list of conditions and the following
  13 //      disclaimer.
  14 //
  15 //   2. Redistributions in binary form must reproduce the above
  16 //      copyright notice, this list of conditions and the following
  17 //      disclaimer in the documentation and/or other materials
  18 //      provided with the distribution.
  19 //
  20 // THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
  21 // OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  22 // WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  23 // PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
  24 // CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  25 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  26 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
  27 // USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
  28 // AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29 // LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  30 // ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  31 // POSSIBILITY OF SUCH DAMAGE.
  32 //
  33 // The views and conclusions contained in the software and
  34 // documentation are those of the authors and should not be
  35 // interpreted as representing official policies, either expressed
  36 // or implied, of GRNET S.A.
  37
  38 #import "AccountGroupsViewController.h"
  39 #import "OpenStackAccount.h"
  40 #import "ActivityIndicatorView.h"
  41 #import "AccountManager.h"
  42 #import "OpenStackRequest.h"
  43 #import "EditAccountGroupsViewController.h"
  44 #import "UIViewController+Conveniences.h"
  45 #import "NSString+Conveniences.h"
  46 #import "APICallback.h"
  47
  48 @implementation AccountGroupsViewController
  49
  50 @synthesize account, groups, metadata;
  51
  52 #pragma mark - View lifecycle
  53
  54 - (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)toInterfaceOrientation {
  55     return ([UIDevice currentDevice].userInterfaceIdiom == UIUserInterfaceIdiomPad) || (toInterfaceOrientation == UIInterfaceOrientationPortrait);
  56 }
  57
  58 - (void)viewWillAppear:(BOOL)animated {
  59     [super viewWillAppear:animated];
  60     self.navigationItem.title = @"Groups";
  61 }
  62
  63 - (void)viewDidAppear:(BOOL)animated {
  64     [super viewDidAppear:animated];
  65     __block ActivityIndicatorView *activityIndicatorView = [ActivityIndicatorView activityIndicatorViewWithText:@"Loading groups..."
  66                                                                                                    andAddToView:self.view];
  67     [[self.account.manager getStorageAccountInfo]
  68      success:^(OpenStackRequest *request) {
  69          self.groups = [NSMutableDictionary dictionary];
  70          self.metadata = [NSMutableDictionary dictionary];
  71
  72          for (NSString *headerName in request.responseHeaders) {
  73              if ([headerName hasPrefix:@"X-Account-Group-"]) {
  74                  [groups setObject:[[NSString decodeFromPercentEscape:[request.responseHeaders objectForKey:headerName]] componentsSeparatedByString:@","]
  75                             forKey:[NSString decodeFromPercentEscape:[headerName substringFromIndex:16]]];
  76               } else if ([headerName hasPrefix:@"X-Account-Meta-"]) {
  77                  [metadata setObject:[NSString decodeFromPercentEscape:[request.responseHeaders objectForKey:headerName]]
  78                               forKey:[NSString decodeFromPercentEscape:[headerName substringFromIndex:15]]];
  79              }
  80          }
  81
  82          NSMutableArray *UUIDs = [NSMutableArray array];
  83          for (NSString *groupName in groups) {
  84              [UUIDs addObjectsFromArray:[groups objectForKey:groupName]];
  85          }
  86          if (UUIDs.count) {
  87              [[self.account.manager userCatalogForDisplaynames:nil UUIDs:UUIDs]
  88               success:^(OpenStackRequest *request) {
  89                   [activityIndicatorView stopAnimatingAndRemoveFromSuperview];
  90                   [self.tableView reloadData];
  91               }
  92               failure:^(OpenStackRequest *request) {
  93                   [activityIndicatorView stopAnimatingAndRemoveFromSuperview];
  94                   [self.tableView reloadData];
  95                   if (request.responseStatusCode != 404) {
  96                       // Don't show alert on 404, since it can be a pre-UUID server.
  97                       [self alert:@"Failed to translate group UUIDs." request:request];
  98                   }
  99               }];
 100          } else {
 101              [activityIndicatorView stopAnimatingAndRemoveFromSuperview];
 102              [self.tableView reloadData];
 103          }
 104      }
 105      failure:^(OpenStackRequest *request) {
 106          [activityIndicatorView stopAnimatingAndRemoveFromSuperview];
 107          [self alert:@"Failed to get account information." request:request];
 108      }];
 109 }
 110
 111 #pragma mark - Internal
 112
 113 - (NSMutableArray *)groupUsersForGroupName:(NSString *)groupName {
 114     NSArray *groupUUIDs = [groups objectForKey:groupName];
 115     NSMutableArray *groupUsers = [NSMutableArray arrayWithCapacity:groupUUIDs.count];
 116     for (NSString *UUID in groupUUIDs) {
 117         [groupUsers addObject:[self.account displaynameForUUID:UUID safe:YES]];
 118     }
 119     return groupUsers;
 120 }
 121
 122 - (NSMutableString *)groupUsersStringForGroupName:(NSString *)groupName {
 123     NSMutableArray *groupUsers = [self groupUsersForGroupName:groupName];
 124     NSMutableString *groupUsersString = [NSMutableString string];
 125     for (NSUInteger index = 0; index < groupUsers.count; index++) {
 126         if (index) {
 127             [groupUsersString appendString:@","];
 128         }
 129         [groupUsersString appendString:[groupUsers objectAtIndex:index]];
 130     }
 131     return groupUsersString;
 132 }
 133
 134 #pragma mark - Memory management
 135
 136 - (void)dealloc {
 137     [account release];
 138     [groups release];
 139     [metadata release];
 140     [super dealloc];
 141 }
 142
 143 #pragma mark - UITableViewDataSource
 144
 145 - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
 146     return (groups.count + 1);
 147 }
 148
 149 - (CGFloat)tableView:(UITableView *)aTableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
 150     CGFloat result;
 151     if (indexPath.row < groups.count) {
 152         NSString *groupName = [[[groups allKeys] sortedArrayUsingSelector:@selector(caseInsensitiveCompare:)] objectAtIndex:indexPath.row];
 153         result = 22.0 + [[self groupUsersStringForGroupName:groupName] sizeWithFont:[UIFont systemFontOfSize:18.0]
 154                                                                   constrainedToSize:(([UIDevice currentDevice].userInterfaceIdiom == UIUserInterfaceIdiomPad) ?
 155                                                                                      CGSizeMake(596.0, 9000.0) :
 156                                                                                      CGSizeMake(280.0, 9000.0))
 157                                                                       lineBreakMode:UILineBreakModeCharacterWrap].height;
 158         return MAX(aTableView.rowHeight, result);
 159     }
 160     return aTableView.rowHeight;
 161 }
 162
 163
 164 - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
 165     static NSString *CellIdentifier = @"Cell";
 166     UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
 167     if (cell == nil) {
 168         cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleValue1 reuseIdentifier:CellIdentifier] autorelease];
 169     }
 170
 171     cell.accessoryType = UITableViewCellAccessoryDisclosureIndicator;
 172     if (indexPath.row < groups.count) {
 173         NSString *groupName = [[[groups allKeys] sortedArrayUsingSelector:@selector(caseInsensitiveCompare:)] objectAtIndex:indexPath.row];
 174         cell.textLabel.text = groupName;
 175         cell.detailTextLabel.text = [self groupUsersStringForGroupName:groupName];
 176         cell.detailTextLabel.numberOfLines = 0;
 177         cell.detailTextLabel.lineBreakMode = UILineBreakModeCharacterWrap;
 178     } else {
 179         cell.textLabel.text = @"Add Group";
 180         cell.detailTextLabel.text = @"";
 181     }
 182
 183     return cell;
 184 }
 185
 186
 187 #pragma mark - UITableViewDelegate
 188
 189 - (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
 190     EditAccountGroupsViewController *vc = [[EditAccountGroupsViewController alloc] initWithNibName:@"EditAccountGroupsViewController" bundle:nil];
 191     vc.account = self.account;
 192     vc.metadata = metadata;
 193     vc.groups = groups;
 194     if (indexPath.row < groups.count) {
 195         NSString *groupName = [[[groups allKeys] sortedArrayUsingSelector:@selector(caseInsensitiveCompare:)] objectAtIndex:indexPath.row];
 196         vc.removeGroupEnabled = YES;
 197         vc.groupName = groupName;
 198         vc.navigationItem.title = @"Edit Group";
 199     } else {
 200         vc.removeGroupEnabled = NO;
 201         vc.groupName = @"";
 202         vc.navigationItem.title = @"Add Group";
 203     }
 204
 205     [self.navigationController pushViewController:vc animated:YES];
 206     [vc release];
 207 }
 208
 209 @end