spectrum2/backends/twitter/userdb.cpp
2012-05-26 22:53:10 +05:30

76 lines
1.9 KiB
C++

#include "userdb.h"
DEFINE_LOGGER(logger, "Twitter Backend Database");
UserDB::UserDB(std::string database): errMsg(0), rc(0), dbOpen(false)
{
rc = sqlite3_open(database.c_str(), &db);
if( rc ) {
LOG4CXX_ERROR(logger, "Failed to open database" << database);
sqlite3_close(db);
exit(0);
}
LOG4CXX_INFO(logger, "Checking if table users is present")
if(exe(std::string("select * from users limit 1;")) != SQLITE_OK) {
exe("create table users (user text primarykey, key text, secret text);");
LOG4CXX_INFO(logger, "Created table users in the database");
}
dbOpen = true;
}
int UserDB::exe(std::string s_exe)
{
data.clear();
//LOG4CXX_INFO(logger, "Executing: " << s_exe)
rc = sqlite3_get_table(db, s_exe.c_str(), &result, &nRow, &nCol, &errMsg);
if( rc == SQLITE_OK ) {
int col = nCol; //Skip past the headers
for(int i = 0; i < nRow; ++i) {
std::vector<std::string> row;
for(int j = 0 ; j < nCol ; j++) row.push_back(result[col++]);
data.push_back(row);
}
}
sqlite3_free_table(result);
return rc;
}
void UserDB::insert(UserData info)
{
std::string q = "insert into users (user,key,secret) values ('" + info.user + "','" + info.accessTokenKey + "','" + info.accessTokenSecret + "');";
if(exe(q) != SQLITE_OK) {
LOG4CXX_ERROR(logger, "Failed to insert into database!");
exit(0);
}
}
void UserDB::fetch(std::string user, std::vector<std::string> &row)
{
std::string q = "select key,secret from users where user='" + user + "'";
if(exe(q) != SQLITE_OK) {
LOG4CXX_ERROR(logger, "Failed to fetch data from database!");
exit(0);
}
row = data[0];
}
std::set<std::string> UserDB::getRegisteredUsers()
{
std::string q = "select user from users";
if(exe(q) != SQLITE_OK) {
LOG4CXX_ERROR(logger, "Failed to registered users from database!");
exit(0);
}
std::set<std::string> users;
for(int i=0 ; i<data.size() ; i++)
users.insert(data[i][0]);
return users;
}
UserDB::~UserDB()
{
sqlite3_close(db);
}