77 lines
2.0 KiB
C++
77 lines
2.0 KiB
C++
#include "headers/Park_spot.h"
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// constructors
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Park_spot::Park_spot()
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: parked_customer{0}, id{auto_increment_db() + 1}, taken{false} {
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save_db();
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}
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Park_spot::Park_spot(int id_, bool taken_, Customer& parked)
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: parked_customer{parked.id},
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id{id_},
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taken{taken_} // TODO: think about how init parked?
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{}
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// clock in en out, calls de juist(in/out) van de customer aan de hand van
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// internal state van taken
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void Park_spot::clock(Customer& c_customer) {
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if (!taken) {
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parked_customer = c_customer.id;
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taken = true;
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c_customer.clock_in(id);
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update_db();
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} else {
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taken = false;
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c_customer.clock_out(id);
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parked_customer = 0;
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update_db();
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}
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}
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// --------------------- db functs
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void Park_spot::update_db() {
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string statement =
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"UPDATE Park_spot SET taken = '', customer_id = '' where id = '';";
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statement.insert(63, to_string(id));
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if (taken) {
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statement.insert(49, to_string(parked_customer));
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statement.insert(30, "1");
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} else {
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statement.insert(49, "NULL");
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statement.insert(30, "0");
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}
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data::db.exec(statement);
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}
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void Park_spot::save_db() {
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//(int id, bool taken, int customer_id)
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string statement{"insert into Park_spot values ( , , );"};
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// after ( = 28)
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statement.insert(34, "NULL");
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statement.insert(32, "0");
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statement.insert(30, to_string(id));
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SQLite::Transaction transaction(data::db);
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data::db.exec(statement);
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transaction.commit();
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}
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void Park_spot::delete_db() {
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string statement = "delete from Park_spot where id= ;";
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statement.insert(statement.length() - 2, to_string(id));
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SQLite::Transaction transaction(data::db);
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data::db.exec(statement);
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transaction.commit();
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}
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int Park_spot::auto_increment_db() {
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SQLite::Statement max_id(data::db, "select max(id) from Park_spot;");
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int id = 0;
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max_id.executeStep();
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id = max_id.getColumn(0);
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max_id.reset();
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return id;
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}
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