2 // ObjectVersionsViewController.m
5 // Copyright 2011 GRNET S.A. All rights reserved.
7 // Redistribution and use in source and binary forms, with or
8 // without modification, are permitted provided that the following
11 // 1. Redistributions of source code must retain the above
12 // copyright notice, this list of conditions and the following
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.
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.
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.
38 #import "ObjectVersionsViewController.h"
39 #import "StorageObjectViewController.h"
40 #import "OpenStackAccount.h"
41 #import "OpenStackRequest.h"
42 #import "AccountManager.h"
43 #import "APICallback.h"
45 #import "ActivityIndicatorView.h"
46 #import "UIViewController+Conveniences.h"
47 #import "StorageObject.h"
50 @implementation ObjectVersionsViewController
52 @synthesize tableView, versions, account, container, object;
54 #pragma mark - View lifecycle
58 self.navigationItem.title = @"Versions";
59 self.versions = [NSMutableArray array];
61 NSString *activityMessage = @"Loading..";
62 ActivityIndicatorView *activityIndicatorView = [[ActivityIndicatorView alloc] initWithFrame:[ActivityIndicatorView frameForText:activityMessage] text:activityMessage];
63 [activityIndicatorView addToView:self.view];
65 [[self.account.manager getObjectVersionsList:container object:object]
66 success:^(OpenStackRequest *request) {
67 SBJSON *parser = [[SBJSON alloc] init];
68 NSArray *versionsInJson = [[parser objectWithString:[request responseString]] objectForKey:@"versions"];
69 for (NSArray *versionInfo in versionsInJson) {
70 [versions addObject:[NSDictionary dictionaryWithObjectsAndKeys:[versionInfo objectAtIndex:0], @"versionID",
71 [NSDate dateWithTimeIntervalSince1970:[[versionInfo objectAtIndex:1] doubleValue]], @"versionDate",
74 [activityIndicatorView removeFromSuperviewAndRelease];
76 [self.tableView reloadData];
78 failure:^(OpenStackRequest *request) {
79 [activityIndicatorView removeFromSuperviewAndRelease];
80 [self alert:@"Couldn't get versions from server" request:request];
84 - (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)toInterfaceOrientation {
85 return (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad) || (toInterfaceOrientation == UIInterfaceOrientationPortrait);
88 #pragma mark - memory management
99 #pragma mark - Table view data source
101 - (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
105 - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
109 return MAX(1, versions.count);
112 - (UITableViewCell *)tableView:(UITableView *)aTableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
113 static NSString *CellIdentifier = @"Cell";
115 UITableViewCell *cell = [aTableView dequeueReusableCellWithIdentifier:CellIdentifier];
117 cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleSubtitle reuseIdentifier:CellIdentifier] autorelease];
119 cell.userInteractionEnabled = YES;
120 cell.accessoryType = UITableViewCellAccessoryDisclosureIndicator;
121 cell.selectionStyle = UITableViewCellSelectionStyleBlue;
122 if (versions.count == 0 || !versions) {
123 cell.textLabel.text = @"No previous versions available";
124 cell.userInteractionEnabled = NO;
125 cell.accessoryType = UITableViewCellAccessoryNone;
126 cell.selectionStyle = UITableViewCellSelectionStyleNone;
128 NSDictionary *versionDetails = [versions objectAtIndex:indexPath.row];
129 cell.textLabel.text = [[versionDetails objectForKey:@"versionID"] description];
130 NSString *dateString = [NSDateFormatter localizedStringFromDate:[versionDetails objectForKey:@"versionDate"]
131 dateStyle:NSDateFormatterMediumStyle
132 timeStyle:NSDateFormatterMediumStyle];
133 cell.detailTextLabel.text = dateString;
139 #pragma mark - Table view delegate
141 - (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
142 NSString *activityMessage = @"Loading..";
143 ActivityIndicatorView *activityIndicatorView = [[ActivityIndicatorView alloc] initWithFrame:[ActivityIndicatorView frameForText:activityMessage] text:activityMessage];
144 [activityIndicatorView addToView:self.view];
146 NSDictionary *versionDetails = [versions objectAtIndex:indexPath.row];
147 NSString *versionID = [[versionDetails objectForKey:@"versionID"] description];
149 [[self.account.manager getObjectInfo:container object:object version:versionID]
150 success:^(OpenStackRequest *request) {
151 [activityIndicatorView removeFromSuperviewAndRelease];
152 StorageObject *versionedObject = [[[StorageObject alloc] init] autorelease];
153 versionedObject.name = object.name;
154 versionedObject.fullPath = object.fullPath;
155 [versionedObject setPropertiesfromResponseHeaders:request.responseHeaders];
156 StorageObjectViewController *vc = [[StorageObjectViewController alloc] initWithNibName:@"StorageObjectViewController" bundle:nil];
157 vc.objectIsReadOnly = YES;
158 vc.account = account;
159 vc.container = container;
160 vc.object = versionedObject;
161 vc.versionID = versionID;
162 [self.navigationController pushViewController:vc animated:YES];
164 [self.tableView deselectRowAtIndexPath:indexPath animated:YES];
166 failure:^(OpenStackRequest *request) {
167 [activityIndicatorView removeFromSuperviewAndRelease];
168 [self alert:[NSString stringWithFormat:@"Failed to get file info for version: %@", versionID] request:request];