Mercurial > hg > orthanc
annotate OrthancServer/DatabaseWrapper.cpp @ 203:9283552c25df
db refactoring done
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Tue, 27 Nov 2012 17:50:24 +0100 |
| parents | 9c58b2b03cf0 |
| children | 7f4acf490179 |
| rev | line source |
|---|---|
| 183 | 1 /** |
| 2 * Orthanc - A Lightweight, RESTful DICOM Store | |
| 3 * Copyright (C) 2012 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 "DatabaseWrapper.h" | |
| 34 | |
| 35 #include "../Core/DicomFormat/DicomArray.h" | |
| 36 #include "EmbeddedResources.h" | |
| 37 | |
| 38 #include <glog/logging.h> | |
| 39 #include <stdio.h> | |
| 40 | |
| 41 namespace Orthanc | |
| 42 { | |
| 43 | |
| 44 namespace Internals | |
| 45 { | |
| 46 class SignalFileDeleted : public SQLite::IScalarFunction | |
| 47 { | |
| 48 private: | |
| 49 IServerIndexListener& listener_; | |
| 50 | |
| 51 public: | |
| 52 SignalFileDeleted(IServerIndexListener& listener) : | |
| 53 listener_(listener) | |
| 54 { | |
| 55 } | |
| 56 | |
| 57 virtual const char* GetName() const | |
| 58 { | |
| 59 return "SignalFileDeleted"; | |
| 60 } | |
| 61 | |
| 62 virtual unsigned int GetCardinality() const | |
| 63 { | |
| 64 return 1; | |
| 65 } | |
| 66 | |
| 67 virtual void Compute(SQLite::FunctionContext& context) | |
| 68 { | |
| 69 listener_.SignalFileDeleted(context.GetStringValue(0)); | |
| 70 } | |
| 71 }; | |
| 72 | |
| 73 class SignalRemainingAncestor : public SQLite::IScalarFunction | |
| 74 { | |
| 75 private: | |
| 76 bool hasRemainingAncestor_; | |
| 77 std::string remainingPublicId_; | |
| 78 ResourceType remainingType_; | |
| 79 | |
| 80 public: | |
| 81 void Reset() | |
| 82 { | |
| 83 hasRemainingAncestor_ = false; | |
| 84 } | |
| 85 | |
| 86 virtual const char* GetName() const | |
| 87 { | |
| 88 return "SignalRemainingAncestor"; | |
| 89 } | |
| 90 | |
| 91 virtual unsigned int GetCardinality() const | |
| 92 { | |
| 93 return 2; | |
| 94 } | |
| 95 | |
| 96 virtual void Compute(SQLite::FunctionContext& context) | |
| 97 { | |
| 98 VLOG(1) << "There exists a remaining ancestor with public ID \"" | |
| 99 << context.GetStringValue(0) | |
| 100 << "\" of type " | |
| 101 << context.GetIntValue(1); | |
| 102 | |
| 103 if (!hasRemainingAncestor_ || | |
| 104 remainingType_ >= context.GetIntValue(1)) | |
| 105 { | |
| 106 hasRemainingAncestor_ = true; | |
| 107 remainingPublicId_ = context.GetStringValue(0); | |
| 108 remainingType_ = static_cast<ResourceType>(context.GetIntValue(1)); | |
| 109 } | |
| 110 } | |
| 111 | |
| 112 bool HasRemainingAncestor() const | |
| 113 { | |
| 114 return hasRemainingAncestor_; | |
| 115 } | |
| 116 | |
| 117 const std::string& GetRemainingAncestorId() const | |
| 118 { | |
| 119 assert(hasRemainingAncestor_); | |
| 120 return remainingPublicId_; | |
| 121 } | |
| 122 | |
| 123 ResourceType GetRemainingAncestorType() const | |
| 124 { | |
| 125 assert(hasRemainingAncestor_); | |
| 126 return remainingType_; | |
| 127 } | |
| 128 }; | |
| 129 } | |
| 130 | |
| 131 | |
| 132 | |
| 133 void DatabaseWrapper::SetGlobalProperty(const std::string& name, | |
| 134 const std::string& value) | |
| 135 { | |
| 136 SQLite::Statement s(db_, SQLITE_FROM_HERE, "INSERT OR REPLACE INTO GlobalProperties VALUES(?, ?)"); | |
| 137 s.BindString(0, name); | |
| 138 s.BindString(1, value); | |
| 139 s.Run(); | |
| 140 } | |
| 141 | |
|
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142 bool DatabaseWrapper::LookupGlobalProperty(std::string& target, |
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143 const std::string& name) |
| 183 | 144 { |
| 145 SQLite::Statement s(db_, SQLITE_FROM_HERE, | |
| 146 "SELECT value FROM GlobalProperties WHERE name=?"); | |
| 147 s.BindString(0, name); | |
| 148 | |
| 149 if (!s.Step()) | |
| 150 { | |
| 151 return false; | |
| 152 } | |
| 153 else | |
| 154 { | |
| 155 target = s.ColumnString(0); | |
| 156 return true; | |
| 157 } | |
| 158 } | |
| 159 | |
| 160 std::string DatabaseWrapper::GetGlobalProperty(const std::string& name, | |
| 161 const std::string& defaultValue) | |
| 162 { | |
| 163 std::string s; | |
|
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164 if (LookupGlobalProperty(s, name)) |
| 183 | 165 { |
| 166 return s; | |
| 167 } | |
| 168 else | |
| 169 { | |
| 170 return defaultValue; | |
| 171 } | |
| 172 } | |
| 173 | |
| 174 int64_t DatabaseWrapper::CreateResource(const std::string& publicId, | |
| 175 ResourceType type) | |
| 176 { | |
| 177 SQLite::Statement s(db_, SQLITE_FROM_HERE, "INSERT INTO Resources VALUES(NULL, ?, ?, NULL)"); | |
| 178 s.BindInt(0, type); | |
| 179 s.BindString(1, publicId); | |
| 180 s.Run(); | |
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181 int64_t id = db_.GetLastInsertRowId(); |
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182 |
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183 ChangeType changeType; |
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184 switch (type) |
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185 { |
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186 case ResourceType_Patient: |
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187 changeType = ChangeType_NewPatient; |
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188 break; |
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189 |
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190 case ResourceType_Study: |
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191 changeType = ChangeType_NewStudy; |
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193 |
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194 case ResourceType_Series: |
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195 changeType = ChangeType_NewSeries; |
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196 break; |
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197 |
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198 case ResourceType_Instance: |
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199 changeType = ChangeType_NewInstance; |
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200 break; |
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201 |
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202 default: |
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203 throw OrthancException(ErrorCode_InternalError); |
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204 } |
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205 |
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206 LogChange(changeType, id, type); |
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207 return id; |
| 183 | 208 } |
| 209 | |
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210 bool DatabaseWrapper::LookupResource(const std::string& publicId, |
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211 int64_t& id, |
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212 ResourceType& type) |
| 183 | 213 { |
| 214 SQLite::Statement s(db_, SQLITE_FROM_HERE, | |
| 215 "SELECT internalId, resourceType FROM Resources WHERE publicId=?"); | |
| 216 s.BindString(0, publicId); | |
| 217 | |
| 218 if (!s.Step()) | |
| 219 { | |
| 220 return false; | |
| 221 } | |
| 222 else | |
| 223 { | |
| 224 id = s.ColumnInt(0); | |
| 225 type = static_cast<ResourceType>(s.ColumnInt(1)); | |
| 226 | |
| 227 // Check whether there is a single resource with this public id | |
| 228 assert(!s.Step()); | |
| 229 | |
| 230 return true; | |
| 231 } | |
| 232 } | |
| 233 | |
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234 bool DatabaseWrapper::LookupParent(int64_t& parentId, |
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235 int64_t resourceId) |
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236 { |
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237 SQLite::Statement s(db_, SQLITE_FROM_HERE, |
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238 "SELECT parentId FROM Resources WHERE internalId=?"); |
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239 s.BindInt(0, resourceId); |
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240 |
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241 if (!s.Step()) |
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242 { |
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243 throw OrthancException(ErrorCode_UnknownResource); |
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244 } |
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245 |
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246 if (s.ColumnIsNull(0)) |
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247 { |
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248 return false; |
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249 } |
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250 else |
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251 { |
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252 parentId = s.ColumnInt(0); |
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253 return true; |
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254 } |
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255 } |
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256 |
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257 std::string DatabaseWrapper::GetPublicId(int64_t resourceId) |
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258 { |
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259 SQLite::Statement s(db_, SQLITE_FROM_HERE, |
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260 "SELECT publicId FROM Resources WHERE internalId=?"); |
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261 s.BindInt(0, resourceId); |
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262 |
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263 if (!s.Step()) |
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264 { |
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265 throw OrthancException(ErrorCode_UnknownResource); |
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266 } |
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267 |
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268 return s.ColumnString(0); |
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269 } |
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270 |
| 183 | 271 void DatabaseWrapper::AttachChild(int64_t parent, |
| 272 int64_t child) | |
| 273 { | |
| 274 SQLite::Statement s(db_, SQLITE_FROM_HERE, "UPDATE Resources SET parentId = ? WHERE internalId = ?"); | |
| 275 s.BindInt(0, parent); | |
| 276 s.BindInt(1, child); | |
| 277 s.Run(); | |
| 278 } | |
| 279 | |
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280 void DatabaseWrapper::GetChildren(Json::Value& childrenPublicIds, |
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281 int64_t id) |
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282 { |
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283 SQLite::Statement s(db_, SQLITE_FROM_HERE, "SELECT publicId FROM Resources WHERE parentId=?"); |
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284 s.BindInt(0, id); |
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285 |
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286 childrenPublicIds = Json::arrayValue; |
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287 while (s.Step()) |
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288 { |
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289 childrenPublicIds.append(s.ColumnString(0)); |
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290 } |
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291 } |
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292 |
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293 |
| 183 | 294 void DatabaseWrapper::DeleteResource(int64_t id) |
| 295 { | |
| 296 signalRemainingAncestor_->Reset(); | |
| 297 | |
| 298 SQLite::Statement s(db_, SQLITE_FROM_HERE, "DELETE FROM Resources WHERE internalId=?"); | |
| 299 s.BindInt(0, id); | |
| 300 s.Run(); | |
| 301 | |
| 302 if (signalRemainingAncestor_->HasRemainingAncestor()) | |
| 303 { | |
| 304 listener_.SignalRemainingAncestor(signalRemainingAncestor_->GetRemainingAncestorType(), | |
| 305 signalRemainingAncestor_->GetRemainingAncestorId()); | |
| 306 } | |
| 307 } | |
| 308 | |
| 309 void DatabaseWrapper::SetMetadata(int64_t id, | |
| 310 MetadataType type, | |
| 311 const std::string& value) | |
| 312 { | |
| 313 SQLite::Statement s(db_, SQLITE_FROM_HERE, "INSERT OR REPLACE INTO Metadata VALUES(?, ?, ?)"); | |
| 314 s.BindInt(0, id); | |
| 315 s.BindInt(1, type); | |
| 316 s.BindString(2, value); | |
| 317 s.Run(); | |
| 318 } | |
| 319 | |
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320 bool DatabaseWrapper::LookupMetadata(std::string& target, |
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321 int64_t id, |
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322 MetadataType type) |
| 183 | 323 { |
| 324 SQLite::Statement s(db_, SQLITE_FROM_HERE, | |
| 325 "SELECT value FROM Metadata WHERE id=? AND type=?"); | |
| 326 s.BindInt(0, id); | |
| 327 s.BindInt(1, type); | |
| 328 | |
| 329 if (!s.Step()) | |
| 330 { | |
| 331 return false; | |
| 332 } | |
| 333 else | |
| 334 { | |
| 335 target = s.ColumnString(0); | |
| 336 return true; | |
| 337 } | |
| 338 } | |
| 339 | |
| 340 std::string DatabaseWrapper::GetMetadata(int64_t id, | |
| 341 MetadataType type, | |
| 342 const std::string& defaultValue) | |
| 343 { | |
| 344 std::string s; | |
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345 if (LookupMetadata(s, id, type)) |
| 183 | 346 { |
| 347 return s; | |
| 348 } | |
| 349 else | |
| 350 { | |
| 351 return defaultValue; | |
| 352 } | |
| 353 } | |
| 354 | |
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355 |
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356 bool DatabaseWrapper::GetMetadataAsInteger(int& result, |
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357 int64_t id, |
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358 MetadataType type) |
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359 { |
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360 std::string s = GetMetadata(id, type, ""); |
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361 if (s.size() == 0) |
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362 { |
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363 return false; |
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364 } |
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365 |
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366 try |
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367 { |
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368 result = boost::lexical_cast<int>(s); |
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369 return true; |
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370 } |
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371 catch (boost::bad_lexical_cast&) |
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372 { |
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373 return false; |
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374 } |
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375 } |
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376 |
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377 |
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378 |
| 183 | 379 void DatabaseWrapper::AttachFile(int64_t id, |
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380 AttachedFileType contentType, |
| 183 | 381 const std::string& fileUuid, |
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382 uint64_t compressedSize, |
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383 uint64_t uncompressedSize, |
| 183 | 384 CompressionType compressionType) |
| 385 { | |
| 386 SQLite::Statement s(db_, SQLITE_FROM_HERE, "INSERT INTO AttachedFiles VALUES(?, ?, ?, ?, ?, ?)"); | |
| 387 s.BindInt(0, id); | |
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388 s.BindInt(1, contentType); |
| 183 | 389 s.BindString(2, fileUuid); |
| 390 s.BindInt(3, compressedSize); | |
| 391 s.BindInt(4, uncompressedSize); | |
| 392 s.BindInt(5, compressionType); | |
| 393 s.Run(); | |
| 394 } | |
| 395 | |
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396 bool DatabaseWrapper::LookupFile(int64_t id, |
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397 AttachedFileType contentType, |
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398 std::string& fileUuid, |
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399 uint64_t& compressedSize, |
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400 uint64_t& uncompressedSize, |
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401 CompressionType& compressionType) |
| 183 | 402 { |
| 403 SQLite::Statement s(db_, SQLITE_FROM_HERE, | |
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404 "SELECT uuid, compressedSize, uncompressedSize, compressionType FROM AttachedFiles WHERE id=? AND fileType=?"); |
| 183 | 405 s.BindInt(0, id); |
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406 s.BindInt(1, contentType); |
| 183 | 407 |
| 408 if (!s.Step()) | |
| 409 { | |
| 410 return false; | |
| 411 } | |
| 412 else | |
| 413 { | |
| 414 fileUuid = s.ColumnString(0); | |
| 415 compressedSize = s.ColumnInt(1); | |
| 416 uncompressedSize = s.ColumnInt(2); | |
| 417 compressionType = static_cast<CompressionType>(s.ColumnInt(3)); | |
| 418 return true; | |
| 419 } | |
| 420 } | |
| 421 | |
| 422 void DatabaseWrapper::SetMainDicomTags(int64_t id, | |
| 423 const DicomMap& tags) | |
| 424 { | |
| 425 DicomArray flattened(tags); | |
| 426 for (size_t i = 0; i < flattened.GetSize(); i++) | |
| 427 { | |
| 428 SQLite::Statement s(db_, SQLITE_FROM_HERE, "INSERT INTO MainDicomTags VALUES(?, ?, ?, ?)"); | |
| 429 s.BindInt(0, id); | |
| 430 s.BindInt(1, flattened.GetElement(i).GetTag().GetGroup()); | |
| 431 s.BindInt(2, flattened.GetElement(i).GetTag().GetElement()); | |
| 432 s.BindString(3, flattened.GetElement(i).GetValue().AsString()); | |
| 433 s.Run(); | |
| 434 } | |
| 435 } | |
| 436 | |
| 437 void DatabaseWrapper::GetMainDicomTags(DicomMap& map, | |
| 438 int64_t id) | |
| 439 { | |
| 440 map.Clear(); | |
| 441 | |
| 442 SQLite::Statement s(db_, SQLITE_FROM_HERE, "SELECT * FROM MainDicomTags WHERE id=?"); | |
| 443 s.BindInt(0, id); | |
| 444 while (s.Step()) | |
| 445 { | |
| 446 map.SetValue(s.ColumnInt(1), | |
| 447 s.ColumnInt(2), | |
| 448 s.ColumnString(3)); | |
| 449 } | |
| 450 } | |
| 451 | |
| 452 | |
| 453 bool DatabaseWrapper::GetParentPublicId(std::string& result, | |
| 454 int64_t id) | |
| 455 { | |
| 456 SQLite::Statement s(db_, SQLITE_FROM_HERE, "SELECT a.publicId FROM Resources AS a, Resources AS b " | |
| 457 "WHERE a.internalId = b.parentId AND b.internalId = ?"); | |
| 458 s.BindInt(0, id); | |
| 459 | |
| 460 if (s.Step()) | |
| 461 { | |
| 462 result = s.ColumnString(0); | |
| 463 return true; | |
| 464 } | |
| 465 else | |
| 466 { | |
| 467 return false; | |
| 468 } | |
| 469 } | |
| 470 | |
| 471 | |
| 472 void DatabaseWrapper::GetChildrenPublicId(std::list<std::string>& result, | |
| 473 int64_t id) | |
| 474 { | |
| 475 SQLite::Statement s(db_, SQLITE_FROM_HERE, "SELECT a.publicId FROM Resources AS a, Resources AS b " | |
| 476 "WHERE a.parentId = b.internalId AND b.internalId = ?"); | |
| 477 s.BindInt(0, id); | |
| 478 | |
| 479 result.clear(); | |
| 480 | |
| 481 while (s.Step()) | |
| 482 { | |
| 483 result.push_back(s.ColumnString(0)); | |
| 484 } | |
| 485 } | |
| 486 | |
| 487 | |
| 199 | 488 void DatabaseWrapper::GetChildrenInternalId(std::list<int64_t>& result, |
| 489 int64_t id) | |
| 490 { | |
| 491 SQLite::Statement s(db_, SQLITE_FROM_HERE, "SELECT a.internalId FROM Resources AS a, Resources AS b " | |
| 492 "WHERE a.parentId = b.internalId AND b.internalId = ?"); | |
| 493 s.BindInt(0, id); | |
| 494 | |
| 495 result.clear(); | |
| 496 | |
| 497 while (s.Step()) | |
| 498 { | |
| 499 result.push_back(s.ColumnInt(0)); | |
| 500 } | |
| 501 } | |
| 502 | |
| 503 | |
| 183 | 504 void DatabaseWrapper::LogChange(ChangeType changeType, |
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505 int64_t internalId, |
| 183 | 506 ResourceType resourceType, |
| 507 const boost::posix_time::ptime& date) | |
| 508 { | |
| 509 SQLite::Statement s(db_, SQLITE_FROM_HERE, "INSERT INTO Changes VALUES(NULL, ?, ?, ?, ?)"); | |
| 510 s.BindInt(0, changeType); | |
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511 s.BindInt(1, internalId); |
| 183 | 512 s.BindInt(2, resourceType); |
| 513 s.BindString(3, boost::posix_time::to_iso_string(date)); | |
| 514 s.Run(); | |
| 515 } | |
| 516 | |
| 517 | |
| 518 void DatabaseWrapper::LogExportedInstance(const std::string& remoteModality, | |
| 519 DicomInstanceHasher& hasher, | |
| 520 const boost::posix_time::ptime& date) | |
| 521 { | |
| 522 SQLite::Statement s(db_, SQLITE_FROM_HERE, "INSERT INTO ExportedInstances VALUES(NULL, ?, ?, ?, ?, ?, ?)"); | |
| 523 s.BindString(0, remoteModality); | |
| 524 s.BindString(1, hasher.HashInstance()); | |
| 525 s.BindString(2, hasher.GetPatientId()); | |
| 526 s.BindString(3, hasher.GetStudyUid()); | |
| 527 s.BindString(4, hasher.GetSeriesUid()); | |
| 528 s.BindString(5, hasher.GetInstanceUid()); | |
| 529 s.BindString(6, boost::posix_time::to_iso_string(date)); | |
| 530 s.Run(); | |
| 531 } | |
| 532 | |
| 533 | |
| 534 int64_t DatabaseWrapper::GetTableRecordCount(const std::string& table) | |
| 535 { | |
| 536 char buf[128]; | |
| 537 sprintf(buf, "SELECT COUNT(*) FROM %s", table.c_str()); | |
| 538 SQLite::Statement s(db_, buf); | |
| 539 | |
| 540 assert(s.Step()); | |
| 541 int64_t c = s.ColumnInt(0); | |
| 542 assert(!s.Step()); | |
| 543 | |
| 544 return c; | |
| 545 } | |
| 546 | |
| 547 | |
| 548 uint64_t DatabaseWrapper::GetTotalCompressedSize() | |
| 549 { | |
| 550 SQLite::Statement s(db_, SQLITE_FROM_HERE, "SELECT SUM(compressedSize) FROM AttachedFiles"); | |
| 551 s.Run(); | |
| 552 return static_cast<uint64_t>(s.ColumnInt64(0)); | |
| 553 } | |
| 554 | |
| 555 | |
| 556 uint64_t DatabaseWrapper::GetTotalUncompressedSize() | |
| 557 { | |
| 558 SQLite::Statement s(db_, SQLITE_FROM_HERE, "SELECT SUM(uncompressedSize) FROM AttachedFiles"); | |
| 559 s.Run(); | |
| 560 return static_cast<uint64_t>(s.ColumnInt64(0)); | |
| 561 } | |
| 562 | |
| 190 | 563 void DatabaseWrapper::GetAllPublicIds(Json::Value& target, |
| 564 ResourceType resourceType) | |
| 565 { | |
| 566 SQLite::Statement s(db_, SQLITE_FROM_HERE, "SELECT publicId FROM Resources WHERE resourceType=?"); | |
| 567 s.BindInt(0, resourceType); | |
| 568 | |
| 569 target = Json::arrayValue; | |
| 570 while (s.Step()) | |
| 571 { | |
| 572 target.append(s.ColumnString(0)); | |
| 573 } | |
| 574 } | |
| 575 | |
| 183 | 576 |
| 577 DatabaseWrapper::DatabaseWrapper(const std::string& path, | |
| 578 IServerIndexListener& listener) : | |
| 579 listener_(listener) | |
| 580 { | |
| 581 db_.Open(path); | |
| 582 Open(); | |
| 583 } | |
| 584 | |
| 585 DatabaseWrapper::DatabaseWrapper(IServerIndexListener& listener) : | |
| 586 listener_(listener) | |
| 587 { | |
| 588 db_.OpenInMemory(); | |
| 589 Open(); | |
| 590 } | |
| 591 | |
| 592 void DatabaseWrapper::Open() | |
| 593 { | |
| 594 if (!db_.DoesTableExist("GlobalProperties")) | |
| 595 { | |
| 596 LOG(INFO) << "Creating the database"; | |
| 597 std::string query; | |
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598 EmbeddedResources::GetFileResource(query, EmbeddedResources::PREPARE_DATABASE); |
| 183 | 599 db_.Execute(query); |
| 600 } | |
| 601 | |
| 602 signalRemainingAncestor_ = new Internals::SignalRemainingAncestor; | |
| 603 db_.Register(signalRemainingAncestor_); | |
| 604 db_.Register(new Internals::SignalFileDeleted(listener_)); | |
| 605 } | |
| 606 } |