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comparison OrthancServer/OrthancRestApi/OrthancRestChanges.cpp @ 751:5197fd35333c

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refactoring of OrthancRestApi
author Sebastien Jodogne <s.jodogne@gmail.com>
date Mon, 14 Apr 2014 11:28:35 +0200
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children a811bdf8b8eb
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750:4afad8cb94fd 751:5197fd35333c
1 /**
2 * Orthanc - A Lightweight, RESTful DICOM Store
3 * Copyright (C) 2012-2014 Medical Physics Department, CHU of Liege,
4 * Belgium
5 *
6 * This program is free software: you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License as
8 * published by the Free Software Foundation, either version 3 of the
9 * License, or (at your option) any later version.
10 *
11 * In addition, as a special exception, the copyright holders of this
12 * program give permission to link the code of its release with the
13 * OpenSSL project's "OpenSSL" library (or with modified versions of it
14 * that use the same license as the "OpenSSL" library), and distribute
15 * the linked executables. You must obey the GNU General Public License
16 * in all respects for all of the code used other than "OpenSSL". If you
17 * modify file(s) with this exception, you may extend this exception to
18 * your version of the file(s), but you are not obligated to do so. If
19 * you do not wish to do so, delete this exception statement from your
20 * version. If you delete this exception statement from all source files
21 * in the program, then also delete it here.
22 *
23 * This program is distributed in the hope that it will be useful, but
24 * WITHOUT ANY WARRANTY; without even the implied warranty of
25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
26 * General Public License for more details.
27 *
28 * You should have received a copy of the GNU General Public License
29 * along with this program. If not, see <http://www.gnu.org/licenses/>.
30 **/
31
32
33 #include "OrthancRestApi.h"
34
35 #include <glog/logging.h>
36
37 namespace Orthanc
38 {
39 // Changes API --------------------------------------------------------------
40
41 static void GetSinceAndLimit(int64_t& since,
42 unsigned int& limit,
43 bool& last,
44 const RestApi::GetCall& call)
45 {
46 static const unsigned int MAX_RESULTS = 100;
47
48 if (call.HasArgument("last"))
49 {
50 last = true;
51 return;
52 }
53
54 last = false;
55
56 try
57 {
58 since = boost::lexical_cast<int64_t>(call.GetArgument("since", "0"));
59 limit = boost::lexical_cast<unsigned int>(call.GetArgument("limit", "0"));
60 }
61 catch (boost::bad_lexical_cast)
62 {
63 return;
64 }
65
66 if (limit == 0 || limit > MAX_RESULTS)
67 {
68 limit = MAX_RESULTS;
69 }
70 }
71
72 static void GetChanges(RestApi::GetCall& call)
73 {
74 ServerContext& context = OrthancRestApi::GetContext(call);
75
76 //std::string filter = GetArgument(getArguments, "filter", "");
77 int64_t since;
78 unsigned int limit;
79 bool last;
80 GetSinceAndLimit(since, limit, last, call);
81
82 Json::Value result;
83 if ((!last && context.GetIndex().GetChanges(result, since, limit)) ||
84 ( last && context.GetIndex().GetLastChange(result)))
85 {
86 call.GetOutput().AnswerJson(result);
87 }
88 }
89
90
91 static void DeleteChanges(RestApi::DeleteCall& call)
92 {
93 OrthancRestApi::GetIndex(call).DeleteChanges();
94 call.GetOutput().AnswerBuffer("", "text/plain");
95 }
96
97
98 // Exports API --------------------------------------------------------------
99
100 static void GetExports(RestApi::GetCall& call)
101 {
102 ServerContext& context = OrthancRestApi::GetContext(call);
103
104 int64_t since;
105 unsigned int limit;
106 bool last;
107 GetSinceAndLimit(since, limit, last, call);
108
109 Json::Value result;
110 if ((!last && context.GetIndex().GetExportedResources(result, since, limit)) ||
111 ( last && context.GetIndex().GetLastExportedResource(result)))
112 {
113 call.GetOutput().AnswerJson(result);
114 }
115 }
116
117
118 static void DeleteExports(RestApi::DeleteCall& call)
119 {
120 OrthancRestApi::GetIndex(call).DeleteExportedResources();
121 call.GetOutput().AnswerBuffer("", "text/plain");
122 }
123
124
125 void OrthancRestApi::RegisterChanges()
126 {
127 Register("/changes", GetChanges);
128 Register("/changes", DeleteChanges);
129 Register("/exports", GetExports);
130 Register("/exports", DeleteExports);
131 }
132 }