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database.cpp
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database.cpp
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/*
soremant is designed to replace oper managemnt of stores in the NZCF
Copyright (C) 20201 Charles Kern-Smith
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include "stddef.hpp"
#include "database.hpp"
database::database(int argc, char **argv){
//retrieves database file names
int option;
while ((option = getopt(argc,argv,"f:b:h:")) != -1){
switch (option){
case 'f':
dbfile = new char[strlen(optarg)];
dbfile = optarg;
qDebug() << dbfile << "set as main db";
break;
case 'b':
bakfile = new char[strlen(optarg)];
bakfile = optarg;
qDebug() << bakfile << "set as main db";
break;
case 'h':
hash = new char[strlen(optarg)];
hash = optarg;
qDebug() << hash << "set as main db";
}
}
//just some debugging help
if (dbfile == nullptr){
qFatal("No main db name provided");
QMessageBox::information(0,"Error","Fatal:No Filename Provided");
}
if (bakfile == nullptr){
qWarning("No backup name provided");
}
//opens database connection
db = QSqlDatabase::addDatabase("QSQLITE");
db.setDatabaseName(dbfile);
if (!db.open()){
qCritical("Failed to open Database");
}
else
qDebug() << "sucssfully opened" << dbfile;
QStringList tables = db.tables();
qDebug() << "Current table list" << tables;
if (tables.indexOf(DEFAULTTABLE) == -1){
QSqlQuery initdb;
initdb.prepare("CREATE TABlE " DEFAULTTABLE " (id int,name char,pwdhashsha512 blob,item char,qty int,date char,authorised char,returned char,pwdhashmd5,hidden bool,condition char,comments char);");
if (initdb.exec() == false)
qCritical("failed to initalize database");
}
}
int database::getall(bool ishidden)
{
//fills mian table with all enteries (default state)
QSqlQuery query;
//if ishidden is true returns hidden TRUE && FALSE otherwise ust returns where hidden is FASLE
if (ishidden == false)
query.prepare("SELECT id,name,item,qty,date,authorised,returned,hidden FROM " DEFAULTTABLE " WHERE hidden = FALSE;");
else
query.prepare("SELECT id,name,item,qty,date,authorised,returned,hidden FROM " DEFAULTTABLE ";");
if (!query.exec())
qDebug() << "getall error:" << query.lastError();
int y = 0;
while(query.next())
//iterates through query rows sends whole record to mainwindow
{
QStringList record;
for (int x = 0;x < DEFCOLS+1; x++){ //+1 adds extra loop for hidden state
record << query.value(x).toString();
}
qDebug() << "sending" << record;
mwhandle->insertRecord(y,record);
y++;
}
return 0;
}
QStringList database::getAllNames()
//gets all names in database where hidden = false and returns without duplicates
//only false bcause you dont want names that wont be used showing up in results
{
QStringList names;
QSqlQuery query;
query.prepare("SELECT name FROM " DEFAULTTABLE
" WHERE hidden = FALSE;");
if (query.exec()){
while (query.next()){
names << query.value(0).toString();//im a retard
}
names.removeDuplicates();
qDebug() << "got names" << names;
return names;
}
else{
qDebug() << "query failed" << query.lastError();
return names;
}
}
bool database::insertdata(QStringList data)
//inserts a single record in the database
{
//converts incoming data to usable query
QSqlQuery query;
query.prepare("INSERT INTO " DEFAULTTABLE
" (id,name,pwdhashsha512,item,qty,date,authorised,condition,comments,hidden)"
"VALUES "
"(:id,:name,:passwdhash512,:item,:qty,:date,:authorised,:condition,:comments,FALSE);");
query.bindValue(":id",gettotal());
query.bindValue(":name",data.at(0));
query.bindValue(":passwdhash512",data.at(1));
query.bindValue(":item",data.at(2));
query.bindValue(":qty",data.at(3));
query.bindValue(":date",data.at(4));
query.bindValue(":authorised",data.at(5));
query.bindValue(":condition",data.at(6));
query.bindValue(":comments",data.at(7));
//bindvalues prevents sql injection
//add comments and condition
if (query.exec())
{
qDebug() << "saved successfully";
return true;
}
else
{
qWarning("Insert failed query returned");
qWarning() << query.lastError();
return false;
}
}
int database::gettotal()
{
//gets number of records in table
//can be used to get next id number
///returns number of records returns -1 and bitches on error
QSqlQuery query;
query.setForwardOnly(true);
query.prepare("SELECT COUNT(id) FROM " DEFAULTTABLE";");
query.exec();
if (query.first()){
return (query.value(0).toInt());
}
else
{
qWarning("Error getting number of records database returned");
qWarning() << query.lastError();
return -1;
}
}
QStringList database::getFullRecord(int id)
/*takes id as argument returns full record as qstringlist
*[0] id
*[1] name
*[2] pwdhashsha512
*[3] item
*[4] qty
*[5] date
*[6] authorised
*[7] returned
*[8] pwdhashmd5
*[9] hidden
*[10] condition
*[11] comments
*/
{
#define FIELDS 12
QStringList result;
QSqlQuery query;
query.setForwardOnly(true);
query.prepare("SELECT "
"id, name, pwdhashsha512, item, qty, date, authorised, returned, pwdhashmd5, hidden, condition, comments"
//update fields if you touch this
" FROM " DEFAULTTABLE
" WHERE id = :id");
query.bindValue(":id",id);
//error checks query
//if good then do stuff
//else gib error
if (query.exec()){
query.first();
for (int i = 0; i < FIELDS;i++)
{
result << query.value(i).toString();
}
qDebug() << "get record good";
}
else{
qWarning("get record bad");
qWarning() << query.lastError();
}
qDebug() << result;
return result;
#undef FIELDS
}
database::~database()
{
db.close();
if (bakfile != nullptr){
QFile bak(database::bakfile);
bak.remove();
QFile dbmainfile(database::dbfile);
dbmainfile.copy(database::bakfile);
}
}
void database::update(int id, QStringList data)
{
QSqlQuery query;
query.prepare("UPDATE " DEFAULTTABLE
" SET condition = :condition, comments = :comments"
" WHERE id = :id;");
query.bindValue(":condition",data.at(1));
query.bindValue(":comments",data.at(0));
query.bindValue(":id",id);
if (query.exec()){
qDebug() << "update successful";
}
else{
qWarning() << "update failed";
qWarning() << query.lastError();
}
}
void database::setHidden(int id, bool hidden)
//changes the database state of hidden to hidden
{
QSqlQuery query;
query.prepare("UPDATE " DEFAULTTABLE
" SET hidden = :hidden"
" WHERE id = :id;");
query.bindValue(":hidden",hidden);
query.bindValue(":id", id);
if (query.exec())
qDebug() << "record" << id << "changed to" << hidden;
else
qWarning() << "record not changed" << query.lastError();
}
void database::returnRecord(QStringList *record)
{
//stores query in string because i couldnt get bindvalue to work on the left side of the condition
QString querystring = ("UPDATE " DEFAULTTABLE
" SET pwdhashmd5 = :pwdmd5, returned = :returned "
"WHERE = :value AND pwdhashsha512 = :pwdsha;");
querystring.insert(72,record->at(4));
//if qerystring is changed AT ALL make sure above line is correct
QSqlQuery query;
query.prepare(querystring);
query.bindValue(":pwdsha",record->at(1));
query.bindValue(":pwdmd5",record->at(2));
query.bindValue(":returned",record->at(3));
//if its going to cock up it will be one of these VV
//query.bindValue(":condition",record->at(4));
query.bindValue(":value",record->at(0));
if (query.exec())
qDebug() << "recoed closed" << query.numRowsAffected();
else
qWarning() << "record not closed" << query.lastError();
}
QString database::manQuery(QString querytxt)
{
QSqlQuery query;
query.prepare(querytxt);
if (!query.exec()){
return query.lastError().text();
}
int y = 0;
while(query.next())
//iterates through query rows sends whole record to mainwindow
{
QStringList record;
for (int x = 0;x < DEFCOLS+1; x++){ //+1 adds extra loop for hidden state
record << query.value(x).toString();
}
qDebug() << "sending" << record;
mwhandle->insertRecord(y,record);
y++;
}
return 0;
}