1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
|
/* Copyright 2011-2015 Yorba Foundation
*
* This software is licensed under the GNU Lesser General Public License
* (version 2.1 or later). See the COPYING file in this distribution.
*/
namespace Spit.DataImports {
/**
* Photo source implementation for alien databases. This class is responsible
* for extracting meta-data out of a source photo to support the import
* process.
*
* This class does not extend PhotoSource in order to minimise the API to the
* absolute minimum required to run the import job.
*/
public class DataImportSource {
private bool backing_file_found;
private ImportableMediaItem db_photo;
private string? title = null;
private string? preview_md5 = null;
private uint64 file_size;
private time_t modification_time;
private MetadataDateTime? exposure_time;
public DataImportSource(ImportableMediaItem db_photo) {
this.db_photo = db_photo;
// A well-behaved plugin will ensure that the path and file name are
// not null but we check just in case
string folder_path = db_photo.get_folder_path();
string filename = db_photo.get_filename();
File? photo = null;
if (folder_path != null && filename != null) {
photo = File.new_for_path(db_photo.get_folder_path()).
get_child(db_photo.get_filename());
backing_file_found = photo.query_exists();
} else {
backing_file_found = false;
}
if (photo != null && backing_file_found) {
PhotoMetadata? metadata = new PhotoMetadata();
try {
metadata.read_from_file(photo);
} catch(Error e) {
warning("Could not get file metadata for %s: %s", get_filename(), e.message);
metadata = null;
}
title = db_photo.get_title();
if (title == null) {
title = (metadata != null) ? metadata.get_title() : null;
}
time_t? date_time = db_photo.get_exposure_time();
if (date_time != null) {
exposure_time = new MetadataDateTime(date_time);
} else {
exposure_time = (metadata != null) ? metadata.get_exposure_date_time() : null;
}
PhotoPreview? preview = metadata != null ? metadata.get_preview(0) : null;
if (preview != null) {
try {
uint8[] preview_raw = preview.flatten();
preview_md5 = md5_binary(preview_raw, preview_raw.length);
} catch(Error e) {
warning("Could not get raw preview for %s: %s", get_filename(), e.message);
}
}
#if TRACE_MD5
debug("Photo MD5 %s: preview=%s", get_filename(), preview_md5);
#endif
try {
file_size = query_total_file_size(photo);
} catch(Error e) {
warning("Could not get file size for %s: %s", get_filename(), e.message);
}
try {
modification_time = query_file_modified(photo);
} catch(Error e) {
warning("Could not get modification time for %s: %s", get_filename(), e.message);
}
} else {
debug ("Photo file %s not found".printf(photo.get_path()));
}
}
public string get_filename() {
return db_photo.get_filename();
}
public string get_fulldir() {
return db_photo.get_folder_path();
}
public File get_file() {
return File.new_for_path(get_fulldir()).get_child(get_filename());
}
public string get_name() {
return !is_string_empty(title) ? title : get_filename();
}
public string? get_title() {
return title;
}
public PhotoFileFormat get_file_format() {
return PhotoFileFormat.get_by_basename_extension(get_filename());
}
public string to_string() {
return get_name();
}
public time_t get_exposure_time() {
return (exposure_time != null) ? exposure_time.get_timestamp() : modification_time;
}
public uint64 get_filesize() {
return file_size;
}
public ImportableMediaItem get_photo() {
return db_photo;
}
public bool is_already_imported() {
// ignore trashed duplicates
return (preview_md5 != null)
? LibraryPhoto.has_nontrash_duplicate(null, preview_md5, null, get_file_format())
: false;
}
public bool was_backing_file_found() {
return backing_file_found;
}
}
}
|
