1// Copyright (c) 2012 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "chrome/browser/chromeos/drive/resource_entry_conversion.h"
6
7#include <string>
8
9#include "base/logging.h"
10#include "base/time/time.h"
11#include "chrome/browser/chromeos/drive/drive.pb.h"
12#include "chrome/browser/chromeos/drive/file_system_util.h"
13#include "chrome/browser/drive/drive_api_util.h"
14#include "google_apis/drive/drive_api_parser.h"
15
16namespace drive {
17
18bool ConvertChangeResourceToResourceEntry(
19    const google_apis::ChangeResource& input,
20    ResourceEntry* out_entry,
21    std::string* out_parent_resource_id) {
22  DCHECK(out_entry);
23  DCHECK(out_parent_resource_id);
24
25  ResourceEntry converted;
26  std::string parent_resource_id;
27  if (input.file() &&
28      !ConvertFileResourceToResourceEntry(*input.file(), &converted,
29                                          &parent_resource_id))
30      return false;
31
32  converted.set_resource_id(input.file_id());
33  converted.set_deleted(converted.deleted() || input.is_deleted());
34  converted.set_modification_date(input.modification_date().ToInternalValue());
35
36  out_entry->Swap(&converted);
37  swap(*out_parent_resource_id, parent_resource_id);
38  return true;
39}
40
41bool ConvertFileResourceToResourceEntry(
42    const google_apis::FileResource& input,
43    ResourceEntry* out_entry,
44    std::string* out_parent_resource_id) {
45  DCHECK(out_entry);
46  DCHECK(out_parent_resource_id);
47  ResourceEntry converted;
48
49  // For regular files, the 'filename' and 'title' attribute in the metadata
50  // may be different (e.g. due to rename). To be consistent with the web
51  // interface and other client to use the 'title' attribute, instead of
52  // 'filename', as the file name in the local snapshot.
53  converted.set_title(input.title());
54  converted.set_base_name(util::NormalizeFileName(converted.title()));
55  converted.set_resource_id(input.file_id());
56
57  // Gets parent Resource ID. On drive.google.com, a file can have multiple
58  // parents or no parent, but we are forcing a tree-shaped structure (i.e. no
59  // multi-parent or zero-parent entries). Therefore the first found "parent" is
60  // used for the entry. Tracked in http://crbug.com/158904.
61  std::string parent_resource_id;
62  if (!input.parents().empty())
63    parent_resource_id = input.parents()[0].file_id();
64
65  converted.set_deleted(input.labels().is_trashed());
66  converted.set_shared_with_me(!input.shared_with_me_date().is_null());
67  converted.set_shared(input.shared());
68
69  PlatformFileInfoProto* file_info = converted.mutable_file_info();
70
71  file_info->set_last_modified(input.modified_date().ToInternalValue());
72  // If the file has never been viewed (last_viewed_by_me_date().is_null() ==
73  // true), then we will set the last_accessed field in the protocol buffer to
74  // 0.
75  file_info->set_last_accessed(
76      input.last_viewed_by_me_date().ToInternalValue());
77  file_info->set_creation_time(input.created_date().ToInternalValue());
78
79  if (input.IsDirectory()) {
80    file_info->set_is_directory(true);
81  } else {
82    FileSpecificInfo* file_specific_info =
83        converted.mutable_file_specific_info();
84    if (!input.IsHostedDocument()) {
85      file_info->set_size(input.file_size());
86      file_specific_info->set_md5(input.md5_checksum());
87      file_specific_info->set_is_hosted_document(false);
88    } else {
89      // Attach .g<something> extension to hosted documents so we can special
90      // case their handling in UI.
91      // TODO(satorux): Figure out better way how to pass input info like kind
92      // to UI through the File API stack.
93      const std::string document_extension =
94          drive::util::GetHostedDocumentExtension(input.mime_type());
95      file_specific_info->set_document_extension(document_extension);
96      converted.set_base_name(
97          util::NormalizeFileName(converted.title() + document_extension));
98
99      // We don't know the size of hosted docs and it does not matter since
100      // it has no effect on the quota.
101      file_info->set_size(0);
102      file_specific_info->set_is_hosted_document(true);
103    }
104    file_info->set_is_directory(false);
105    file_specific_info->set_content_mime_type(input.mime_type());
106
107    if (!input.alternate_link().is_empty())
108      file_specific_info->set_alternate_url(input.alternate_link().spec());
109
110    const int64 image_width = input.image_media_metadata().width();
111    if (image_width != -1)
112      file_specific_info->set_image_width(image_width);
113
114    const int64 image_height = input.image_media_metadata().height();
115    if (image_height != -1)
116      file_specific_info->set_image_height(image_height);
117
118    const int64 image_rotation = input.image_media_metadata().rotation();
119    if (image_rotation != -1)
120      file_specific_info->set_image_rotation(image_rotation);
121  }
122
123  out_entry->Swap(&converted);
124  swap(*out_parent_resource_id, parent_resource_id);
125  return true;
126}
127
128void ConvertResourceEntryToFileInfo(const ResourceEntry& entry,
129                                    base::File::Info* file_info) {
130  file_info->size = entry.file_info().size();
131  file_info->is_directory = entry.file_info().is_directory();
132  file_info->is_symbolic_link = entry.file_info().is_symbolic_link();
133  file_info->last_modified = base::Time::FromInternalValue(
134      entry.file_info().last_modified());
135  file_info->last_accessed = base::Time::FromInternalValue(
136      entry.file_info().last_accessed());
137  file_info->creation_time = base::Time::FromInternalValue(
138      entry.file_info().creation_time());
139}
140
141}  // namespace drive
142