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annotate OrthancServer/OrthancRestApi/OrthancRestChanges.cpp @ 1055:6f923d52a46c

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call Web services from Lua
author Sebastien Jodogne <s.jodogne@gmail.com>
date Thu, 24 Jul 2014 11:37:02 +0200
parents 83622b0f544c
children 32fcc5dc7562
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1 /**
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2 * Orthanc - A Lightweight, RESTful DICOM Store
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3 * Copyright (C) 2012-2014 Medical Physics Department, CHU of Liege,
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4 * Belgium
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5 *
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6 * This program is free software: you can redistribute it and/or
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7 * modify it under the terms of the GNU General Public License as
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8 * published by the Free Software Foundation, either version 3 of the
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9 * License, or (at your option) any later version.
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10 *
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11 * In addition, as a special exception, the copyright holders of this
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12 * program give permission to link the code of its release with the
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13 * OpenSSL project's "OpenSSL" library (or with modified versions of it
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14 * that use the same license as the "OpenSSL" library), and distribute
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15 * the linked executables. You must obey the GNU General Public License
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16 * in all respects for all of the code used other than "OpenSSL". If you
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17 * modify file(s) with this exception, you may extend this exception to
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18 * your version of the file(s), but you are not obligated to do so. If
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19 * you do not wish to do so, delete this exception statement from your
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20 * version. If you delete this exception statement from all source files
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21 * in the program, then also delete it here.
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22 *
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23 * This program is distributed in the hope that it will be useful, but
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24 * WITHOUT ANY WARRANTY; without even the implied warranty of
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25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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26 * General Public License for more details.
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27 *
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28 * You should have received a copy of the GNU General Public License
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29 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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30 **/
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31
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32
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33 #include "../PrecompiledHeadersServer.h"
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34 #include "OrthancRestApi.h"
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35
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36 #include <glog/logging.h>
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37
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38 namespace Orthanc
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39 {
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40 // Changes API --------------------------------------------------------------
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41
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42 static void GetSinceAndLimit(int64_t& since,
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43 unsigned int& limit,
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44 bool& last,
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45 const RestApiGetCall& call)
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46 {
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47 static const unsigned int MAX_RESULTS = 100;
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48
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49 if (call.HasArgument("last"))
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50 {
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51 last = true;
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52 return;
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53 }
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54
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55 last = false;
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56
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57 try
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58 {
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59 since = boost::lexical_cast<int64_t>(call.GetArgument("since", "0"));
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60 limit = boost::lexical_cast<unsigned int>(call.GetArgument("limit", "0"));
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61 }
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62 catch (boost::bad_lexical_cast)
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63 {
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64 return;
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65 }
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66
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67 if (limit == 0 || limit > MAX_RESULTS)
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68 {
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69 limit = MAX_RESULTS;
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70 }
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71 }
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72
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73 static void GetChanges(RestApiGetCall& call)
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74 {
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75 ServerContext& context = OrthancRestApi::GetContext(call);
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76
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77 //std::string filter = GetArgument(getArguments, "filter", "");
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78 int64_t since;
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79 unsigned int limit;
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80 bool last;
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81 GetSinceAndLimit(since, limit, last, call);
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82
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83 Json::Value result;
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84 if ((!last && context.GetIndex().GetChanges(result, since, limit)) ||
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85 ( last && context.GetIndex().GetLastChange(result)))
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86 {
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87 call.GetOutput().AnswerJson(result);
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88 }
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89 }
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90
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91
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92 static void DeleteChanges(RestApiDeleteCall& call)
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93 {
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94 OrthancRestApi::GetIndex(call).DeleteChanges();
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95 call.GetOutput().AnswerBuffer("", "text/plain");
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96 }
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97
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98
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99 // Exports API --------------------------------------------------------------
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100
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101 static void GetExports(RestApiGetCall& call)
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102 {
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103 ServerContext& context = OrthancRestApi::GetContext(call);
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104
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105 int64_t since;
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106 unsigned int limit;
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107 bool last;
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108 GetSinceAndLimit(since, limit, last, call);
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109
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110 Json::Value result;
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111 if ((!last && context.GetIndex().GetExportedResources(result, since, limit)) ||
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112 ( last && context.GetIndex().GetLastExportedResource(result)))
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113 {
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114 call.GetOutput().AnswerJson(result);
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115 }
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116 }
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117
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118
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119 static void DeleteExports(RestApiDeleteCall& call)
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120 {
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121 OrthancRestApi::GetIndex(call).DeleteExportedResources();
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122 call.GetOutput().AnswerBuffer("", "text/plain");
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123 }
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124
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125
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126 void OrthancRestApi::RegisterChanges()
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127 {
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128 Register("/changes", GetChanges);
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129 Register("/changes", DeleteChanges);
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130 Register("/exports", GetExports);
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131 Register("/exports", DeleteExports);
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132 }
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133 }