48 lines
1.3 KiB
C++
48 lines
1.3 KiB
C++
#include "model/database/database.h"
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Database::Database(string filename){
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this->filename = filename;
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openConnection();
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//TESTING CODE
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if (tableExists("ingredients")){
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printf("Ingredients table already exists.\n");
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} else {
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printf("Couldn't find the ingredients table.\n");
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}
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}
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Database::~Database(){
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closeConnection();
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}
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void Database::openConnection(){
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this->returnCode = sqlite3_open(this->filename.c_str(), &this->db);
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if (this->returnCode || this->db == NULL){
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this->dbIsOpen = false;
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fprintf(stderr, "Can't open database: %s\n", sqlite3_errmsg(db));
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exit(EXIT_FAILURE);
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} else {
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this->dbIsOpen = true;
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}
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}
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void Database::closeConnection(){
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this->returnCode = sqlite3_close(this->db);
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this->dbIsOpen = false;
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}
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bool Database::tableExists(string tableName){
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if (this->dbIsOpen){
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this->sql = "SELECT name FROM sqlite_master WHERE type='table' AND name='"+tableName+"';";
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const char* str = this->sql.c_str();
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this->returnCode = sqlite3_exec(this->db, str, NULL, 0, &this->errorMsg);
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if (this->returnCode == SQLITE_ERROR){
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fprintf(stderr, "Unable to select name from master table list: %s\n", this->errorMsg);
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return false;
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} else {
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return true;
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}
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}
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return false;
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}
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