eqemu-server/zone/data_bucket.cpp

105 lines
2.5 KiB
C++

#include "data_bucket.h"
#include <utility>
#include "../common/string_util.h"
#include "zonedb.h"
#include <ctime>
/**
* Persists data via bucket_name as key
* @param bucket_key
* @param bucket_value
*/
void DataBucket::SetData(std::string bucket_key, std::string bucket_value, uint32 expires_at_unix) {
uint64 bucket_id = DataBucket::DoesBucketExist(bucket_key);
std::string query;
if (bucket_id > 0) {
std::string update_expired_time;
if (expires_at_unix > 0) {
update_expired_time = StringFormat(", `expires` = %u ", expires_at_unix);
}
query = StringFormat(
"UPDATE `data_buckets` SET `value` = '%s' %s WHERE `id` = %i",
EscapeString(bucket_value).c_str(),
EscapeString(update_expired_time).c_str(),
bucket_id
);
}
else {
query = StringFormat(
"INSERT INTO `data_buckets` (`key`, `value`, `expires`) VALUES ('%s', '%s', '%u')",
EscapeString(bucket_key).c_str(),
EscapeString(bucket_value).c_str(),
expires_at_unix
);
}
database.QueryDatabase(query);
}
/**
* Retrieves data via bucket_name as key
* @param bucket_key
* @return
*/
std::string DataBucket::GetData(std::string bucket_key) {
std::string query = StringFormat(
"SELECT `value` from `data_buckets` WHERE `key` = '%s' AND (`expires` > %lld OR `expires` = 0) LIMIT 1",
bucket_key.c_str(),
(long long) std::time(nullptr)
);
auto results = database.QueryDatabase(query);
if (!results.Success()) {
return std::string();
}
if (results.RowCount() != 1)
return std::string();
auto row = results.begin();
return std::string(row[0]);
}
/**
* Checks for bucket existence by bucket_name key
* @param bucket_key
* @return
*/
uint64 DataBucket::DoesBucketExist(std::string bucket_key) {
std::string query = StringFormat(
"SELECT `id` from `data_buckets` WHERE `key` = '%s' AND (`expires` > %lld OR `expires` = 0) LIMIT 1",
EscapeString(bucket_key).c_str(),
(long long) std::time(nullptr)
);
auto results = database.QueryDatabase(query);
if (!results.Success()) {
return 0;
}
auto row = results.begin();
if (results.RowCount() != 1)
return 0;
return std::stoull(row[0]);
}
/**
* Deletes data bucket by key
* @param bucket_key
* @return
*/
bool DataBucket::DeleteData(std::string bucket_key) {
std::string query = StringFormat(
"DELETE FROM `data_buckets` WHERE `key` = '%s' AND (`expires` > %lld OR `expires` = 0)",
EscapeString(bucket_key).c_str()
);
auto results = database.QueryDatabase(query);
return results.Success();
}