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526
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1 /**
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2 * Orthanc - A Lightweight, RESTful DICOM Store
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3 * Copyright (C) 2012-2013 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 "RadiotherapyRestApi.h"
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34
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35 #include "ServerToolbox.h"
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36
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37 #define RETRIEVE_CONTEXT(call) \
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38 OrthancRestApi& contextApi = \
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39 dynamic_cast<OrthancRestApi&>(call.GetContext()); \
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40 ServerContext& context = contextApi.GetContext()
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41
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42
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43 #define REFERENCED_STUDY_SEQUENCE "0008,1110"
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44 #define REFERENCED_SOP_INSTANCE_UID "0008,1155"
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45 #define FRAME_OF_REFERENCE_UID "0020,0052"
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46 #define REFERENCED_FRAME_OF_REFERENCE_SEQUENCE "3006,0010"
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47
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48 namespace Orthanc
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49 {
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50 static bool CheckSeriesModality(Json::Value& study,
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51 Json::Value& series,
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52 Json::Value& content,
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53 ServerContext& context,
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54 const std::string& seriesId,
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55 const std::string& modality)
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56 {
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57 if (!context.GetIndex().LookupResource(series, seriesId, ResourceType_Series))
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58 {
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59 return false;
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60 }
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61
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62 // Retrieve the parent study
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63 std::string studyId = series["ParentStudy"].asString();
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64 if (!context.GetIndex().LookupResource(study, studyId, ResourceType_Study))
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65 {
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66 return false;
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67 }
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68
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69 // Check the modality and that there is a single instance inside the series
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70 if (!series["MainDicomTags"].isMember("Modality") ||
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71 series["MainDicomTags"]["Modality"].asString() != modality ||
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72 series["Instances"].size() != 1)
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73 {
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74 return false;
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75 }
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76
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77 // Retrieve the instance data
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78 std::string instanceId = series["Instances"][0].asString();
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79
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80 Json::Value info;
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81 context.ReadJson(content, instanceId);
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82
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83 return true;
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84 }
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85
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86
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87 static bool GetRtStructuresInfo(Json::Value& study,
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88 Json::Value& series,
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89 Json::Value& content,
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90 std::string& frameOfReference,
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91 ServerContext& context,
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92 const std::string& seriesId)
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93 {
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94 if (!CheckSeriesModality(study, series, content, context, seriesId, "RTSTRUCT"))
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95 {
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96 return false;
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97 }
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98
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99 // Check that the "ReferencedStudySequence" is the same as the parent study.
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100 if (!content.isMember(REFERENCED_STUDY_SEQUENCE) ||
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101 content[REFERENCED_STUDY_SEQUENCE]["Value"].size() != 1 ||
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102 !content[REFERENCED_STUDY_SEQUENCE]["Value"][0].isMember(REFERENCED_SOP_INSTANCE_UID) ||
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103 content[REFERENCED_STUDY_SEQUENCE]["Value"][0][REFERENCED_SOP_INSTANCE_UID]["Value"].asString() !=
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104 study["MainDicomTags"]["StudyInstanceUID"].asString())
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105 {
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106 return false;
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107 }
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108
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109 // Lookup for the frame of reference. Orthanc does not support
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110 // RTSTRUCT with multiple frames of reference.
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111 if (!content.isMember(REFERENCED_FRAME_OF_REFERENCE_SEQUENCE) ||
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112 content[REFERENCED_FRAME_OF_REFERENCE_SEQUENCE]["Value"].size() != 1 ||
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113 !content[REFERENCED_FRAME_OF_REFERENCE_SEQUENCE]["Value"][0].isMember(FRAME_OF_REFERENCE_UID))
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114 {
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115 return false;
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116 }
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117
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118 frameOfReference = content[REFERENCED_FRAME_OF_REFERENCE_SEQUENCE]["Value"][0][FRAME_OF_REFERENCE_UID]["Value"].asString();
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119
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120 return true;
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121 }
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122
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123
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124 static void GetRtStructuresInfo(RestApi::GetCall& call)
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125 {
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126 RETRIEVE_CONTEXT(call);
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127
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128 Json::Value study, series, content;
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129 std::string frameOfReference;
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130 if (GetRtStructuresInfo(study, series, content, frameOfReference, context, call.GetUriComponent("id", "")))
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131 {
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132 Json::Value result;
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133
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134 result["Study"] = study["ID"];
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135
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136
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137 // Lookup the series with the same frame of reference inside this study
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138 result["RelatedSeries"] = Json::arrayValue;
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139
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140 for (Json::Value::ArrayIndex i = 0; i < study["Series"].size(); i++)
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141 {
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142 Json::Value otherSeries;
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143 if (context.GetIndex().LookupResource(otherSeries, study["Series"][i].asString(), ResourceType_Series) &&
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144 otherSeries["Instances"].size() > 0)
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145 {
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146 Json::Value info;
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147 context.ReadJson(info, otherSeries["Instances"][0].asString());
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148
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149 if (info.isMember(FRAME_OF_REFERENCE_UID))
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150 {
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151 result["RelatedSeries"].append(study["Series"][i].asString());
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152 }
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153 }
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154 }
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155
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156 call.GetOutput().AnswerJson(result);
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157 }
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158 }
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159
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160
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161 RadiotherapyRestApi::RadiotherapyRestApi(ServerContext& context) : OrthancRestApi(context)
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162 {
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163 Register("/series/{id}/rt-structures", GetRtStructuresInfo);
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164 }
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165 }
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166
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167
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168 // curl http://localhost:8042/series/0b9e2bb2-605a59aa-f27c0260-9cc4faf6-9d8bf457/rt-structures
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169 // curl http://localhost:8042/series/ef041e6b-c855e775-f7e0f7fe-dc3c17dc-533cb8c5/rt-structures
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