first working db

CMakeLists.txt

@@ -45,6 +45,13 @@ configure_file (
   )
 
 set(CONFIG_FILE_PATH "${concordia-server_SOURCE_DIR}/concordia.cfg")
+
+# --------------
+# db settings
+# --------------
+set (DB_NAME "concordia_server")
+set (DB_USER "concordia")
+
 configure_file (
   "${concordia-server_SOURCE_DIR}/concordia-server/config.hpp.in"
   "${concordia-server_SOURCE_DIR}/concordia-server/config.hpp"

concordia-server/CMakeLists.txt

@@ -5,6 +5,7 @@ add_executable(concordia_server_process
                   searcher_controller.cpp
                   json_generator.cpp
                   unit_dao.cpp
+                  db_connection.cpp
               )
 target_link_libraries(concordia_server_process fcgi fcgi++ pq concordia config++ log4cpp ${Boost_LIBRARIES} divsufsort utf8case)
 

concordia-server/concordia_server.cpp

@@ -6,7 +6,10 @@
 #include "json_generator.hpp"
 
 #define OPERATION_PARAM "operation"
-#define SENTENCE_PARAM "sentence"
+#define PATTERN_PARAM "pattern"
+#define SOURCE_SENTENCE_PARAM "sourceSentence"
+#define TARGET_SENTENCE_PARAM "targetSentence"
+#define TM_ID_PARAM "tmId"
 
 #define ADD_SENTENCE_OP "addSentence"
 #define SIMPLE_SEARCH_OP "simpleSearch"
@@ -41,13 +44,17 @@ std::string ConcordiaServer::handleRequest(std::string & requestString) {
             JsonGenerator::signalError(jsonWriter, errorstream.str());
         } else { // json parsed
             std::string operation = d[OPERATION_PARAM].GetString();
-            std::string sentence = d[SENTENCE_PARAM].GetString();
             if (operation == ADD_SENTENCE_OP) {
-                _indexController->addSentence(jsonWriter, sentence);
+                std::string sourceSentence = d[SOURCE_SENTENCE_PARAM].GetString();
+                std::string targetSentence = d[TARGET_SENTENCE_PARAM].GetString();
+                int tmId = d[TM_ID_PARAM].GetInt();
+                _indexController->addSentence(jsonWriter, sourceSentence, targetSentence, tmId);
             } else if (operation == SIMPLE_SEARCH_OP) {
-                _searcherController->simpleSearch(jsonWriter, sentence);
+                std::string pattern = d[PATTERN_PARAM].GetString();
+                _searcherController->simpleSearch(jsonWriter, pattern);
             } else if (operation == CONCORDIA_SEARCH_OP) {
-                _searcherController->concordiaSearch(jsonWriter, sentence);         
+                std::string pattern = d[PATTERN_PARAM].GetString();
+                _searcherController->concordiaSearch(jsonWriter, pattern);         
             } else {
                 JsonGenerator::signalError(jsonWriter, "no such operation");            
             }

concordia-server/config.hpp

@@ -1 +1,5 @@
 #define CONFIG_FILE_PATH "/home/rafalj/projects/concordia-server/concordia.cfg"
+
+// database connection information
+#define DB_NAME "concordia_server"
+#define DB_USER "concordia"

concordia-server/config.hpp.in

@@ -1 +1,5 @@
 #define CONFIG_FILE_PATH "@CONFIG_FILE_PATH@"
+
+// database connection information
+#define DB_NAME "@DB_NAME@"
+#define DB_USER "@DB_USER@"

concordia-server/db_connection.cpp

@@ -0,0 +1,71 @@
+#include "db_connection.hpp"
+
+#include "config.hpp"
+
+DBconnection::DBconnection() throw(ConcordiaException) {
+    std::string connectionInfo = "dbname="DB_NAME" user="DB_USER;
+    _connection = PQconnectdb(connectionInfo.c_str());
+    if (PQstatus(_connection) != CONNECTION_OK) {
+        close();
+        throw ConcordiaException("Could not establish connection with the database");
+    }
+    
+}
+
+DBconnection::~DBconnection() {
+    close();
+}
+
+void DBconnection::close() {
+    if (_connection != NULL) {
+        PQfinish(_connection);
+        _connection = NULL;
+    }
+}
+
+void DBconnection::startTransaction() throw(ConcordiaException) {
+    if (_connection != NULL) {
+        PGresult * result = PQexec(_connection, "BEGIN");
+        if (PQresultStatus(result) != PGRES_COMMAND_OK) {
+            PQclear(result);
+            close();
+            throw ConcordiaException("starting transaction failed");
+        }
+    } else {
+        throw ConcordiaException("requested start transaction but the database connection is not ready");
+    }
+}
+
+void DBconnection::endTransaction() throw(ConcordiaException) {
+    if (_connection != NULL) {
+        PGresult * result = PQexec(_connection, "END");
+        if (PQresultStatus(result) != PGRES_COMMAND_OK) {
+            PQclear(result);
+            close();
+            throw ConcordiaException("ending transaction failed");
+        }
+    } else {
+        throw ConcordiaException("requested end transaction but the database connection is not ready");
+    }
+}
+
+PGresult * DBconnection::execute(std::string query) throw(ConcordiaException) {
+    if (_connection != NULL) {
+        PGresult * result = PQexec(_connection, query.c_str());
+        if (PQresultStatus(result) != PGRES_COMMAND_OK) {
+            PQclear(result);
+            close();
+            throw ConcordiaException("ending transaction failed");
+        } else {
+            return result;
+        }
+    } else {
+        throw ConcordiaException("requested query execution but the database connection is not ready");
+    }
+}
+
+PGresult * DBconnection::execute(std::string query,
+                                 std::vector<std::string> params) throw(ConcordiaException) {
+}
+
+

concordia-server/db_connection.hpp

@@ -0,0 +1,33 @@
+#ifndef DB_MANAGER_HDR
+#define DB_MANAGER_HDR
+
+#include <libpq-fe.h>
+#include <string>
+#include <vector>
+
+#include <concordia/concordia_exception.hpp>
+
+class DBconnection {
+public:
+    /*! Constructor.
+    */
+    DBconnection() throw(ConcordiaException);
+    /*! Destructor.
+    */
+    virtual ~DBconnection();
+    
+    void startTransaction() throw(ConcordiaException);
+
+    void endTransaction() throw(ConcordiaException);
+
+    PGresult * execute(std::string query) throw(ConcordiaException);
+
+    PGresult * execute(std::string query,
+                       std::vector<std::string> params) throw(ConcordiaException);
+private:
+    void close();
+    
+    PGconn * _connection;
+};
+
+#endif

concordia-server/index_controller.cpp

@@ -1,5 +1,6 @@
 #include "index_controller.hpp"
 
+#include <concordia/common/config.hpp>
 #include "json_generator.hpp"
 
 IndexController::IndexController(boost::shared_ptr<Concordia> concordia)
@@ -11,13 +12,18 @@ IndexController::~IndexController() {
 }
 
 
-void IndexController::addSentence(rapidjson::Writer<rapidjson::StringBuffer> & jsonWriter, std::string & sentence) {
+void IndexController::addSentence(
+                     rapidjson::Writer<rapidjson::StringBuffer> & jsonWriter,
+                     std::string & sourceSentence,
+                     std::string & targetSentence,
+                     int tmId) {
 
     try {
-        Example example(sentence, 0);
-        _concordia->addExample(example);
+        boost::shared_ptr<TokenizedSentence> tokenizedSentence = _concordia->tokenize(sourceSentence);
+        SUFFIX_MARKER_TYPE sentenceId = _unitDAO.addSentence(tokenizedSentence, targetSentence, tmId);     
+        _concordia->addTokenizedExample(tokenizedSentence, sentenceId);
         _concordia->refreshSAfromRAM();
-        
+
         jsonWriter.StartObject();
         jsonWriter.String("status");
         jsonWriter.String("success");

concordia-server/index_controller.hpp

@@ -6,6 +6,8 @@
 #include <concordia/concordia.hpp>
 #include <concordia/concordia_exception.hpp>
 
+#include "unit_dao.hpp"
+
 #include "rapidjson/writer.h"
 
 class IndexController {
@@ -18,11 +20,15 @@ public:
     */
     virtual ~IndexController();
 
-    void addSentence(rapidjson::Writer<rapidjson::StringBuffer> & jsonWriter, std::string & sentence);
+    void addSentence(rapidjson::Writer<rapidjson::StringBuffer> & jsonWriter,
+                     std::string & sourceSentence,
+                     std::string & targetSentence,
+                     int tmId);
 
 private:
     boost::shared_ptr<Concordia> _concordia;
-
+    
+    UnitDAO _unitDAO;
 };
 
 #endif

concordia-server/query_param.cpp

@@ -0,0 +1,71 @@
+#include "db_connection.hpp"
+
+#include "config.hpp"
+
+DBconnection::DBconnection() throw(ConcordiaException) {
+    std::string connectionInfo = "dbname="DB_NAME" user="DB_USER;
+    _connection = PQconnectdb(connectionInfo.c_str());
+    if (PQstatus(_connection) != CONNECTION_OK) {
+        close();
+        throw ConcordiaException("Could not establish connection with the database");
+    }
+    
+}
+
+DBconnection::~DBconnection() {
+    close();
+}
+
+void DBconnection::close() {
+    if (_connection != NULL) {
+        PQfinish(_connection);
+        _connection = NULL;
+    }
+}
+
+void DBconnection::startTransaction() throw(ConcordiaException) {
+    if (_connection != NULL) {
+        PGresult * result = PQexec(_connection, "BEGIN");
+        if (PQresultStatus(result) != PGRES_COMMAND_OK) {
+            PQclear(result);
+            close();
+            throw ConcordiaException("starting transaction failed");
+        }
+    } else {
+        throw ConcordiaException("requested start transaction but the database connection is not ready");
+    }
+}
+
+void DBconnection::endTransaction() throw(ConcordiaException) {
+    if (_connection != NULL) {
+        PGresult * result = PQexec(_connection, "END");
+        if (PQresultStatus(result) != PGRES_COMMAND_OK) {
+            PQclear(result);
+            close();
+            throw ConcordiaException("ending transaction failed");
+        }
+    } else {
+        throw ConcordiaException("requested end transaction but the database connection is not ready");
+    }
+}
+
+PGresult * DBconnection::execute(std::string query) throw(ConcordiaException) {
+    if (_connection != NULL) {
+        PGresult * result = PQexec(_connection, query.c_str());
+        if (PQresultStatus(result) != PGRES_COMMAND_OK) {
+            PQclear(result);
+            close();
+            throw ConcordiaException("ending transaction failed");
+        } else {
+            return result;
+        }
+    } else {
+        throw ConcordiaException("requested query execution but the database connection is not ready");
+    }
+}
+
+PGresult * DBconnection::execute(std::string query,
+                                 std::vector<std::string> params) throw(ConcordiaException) {
+}
+
+

concordia-server/query_param.hpp

@@ -0,0 +1,17 @@
+#ifndef QUERY_PARAM_HDR
+#define QUERY_PARAM_HDR
+
+class QueryParam {
+public:
+    /*! Constructor.
+    */
+    QueryParam() throw(ConcordiaException);
+    /*! Destructor.
+    */
+    virtual ~QueryParam();
+    
+private:
+
+};
+
+#endif

concordia-server/unit_dao.cpp

@@ -1,5 +1,6 @@
 #include "unit_dao.hpp"
 
+#include "db_connection.hpp"
 
 UnitDAO::UnitDAO() {
 }
@@ -7,7 +8,15 @@ UnitDAO::UnitDAO() {
 UnitDAO::~UnitDAO() {
 }
 
-SUFFIX_MARKER_TYPE UnitDAO::addSentence(std::string & sentence) {
+SUFFIX_MARKER_TYPE UnitDAO::addSentence(
+     boost::shared_ptr<TokenizedSentence> sourceSentence,
+     std::string & targetSentence,
+     int tmId) {
 
+    DBconnection connection;
+    connection.startTransaction();
+    connection.execute("INSERT INTO unit(source_segment) values('just testing')");
+    connection.endTransaction();
+     
 }
 

concordia-server/unit_dao.hpp

@@ -3,7 +3,9 @@
 
 #include <string>
 
+#include <concordia/tokenized_sentence.hpp>
 #include <concordia/common/config.hpp>
+#include <boost/shared_ptr.hpp>
 
 class UnitDAO {
 public:
@@ -14,7 +16,10 @@ public:
     */
     virtual ~UnitDAO();
 
-    SUFFIX_MARKER_TYPE addSentence(std::string & sentence);
+    SUFFIX_MARKER_TYPE addSentence(
+             boost::shared_ptr<TokenizedSentence> sourceSentence,
+             std::string & targetSentence,
+             int tmId);
 private:
 
 };

tests/testCurl.sh

@@ -1,5 +1,5 @@
 #!/bin/sh
 
-#curl -H "Content-Type: application/json" -X POST -d '{"operation":"addSentence", "sentence":"zupełnie nowe zdanie"}' http://localhost
-curl -H "Content-Type: application/json" -X POST -d '{"operation":"simpleSearch", "sentence":"zupełnie nowe"}' http://localhost
+curl -H "Content-Type: application/json" -X POST -d '{"operation":"addSentence", "sentence":"zupełnie nowe zdanie"}' http://localhost
+#curl -H "Content-Type: application/json" -X POST -d '{"operation":"simpleSearch", "sentence":"zupełnie nowe"}' http://localhost