105 lines
3.4 KiB
C++
105 lines
3.4 KiB
C++
#include "headers/Query.h"
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vector<Park_time> query_parktimes_for_customer(int cid) {
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/*
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This is needed to initialize the park_instances for the customer constructor
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that is supposed to create a customer from data in the db.
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This should not be called on on it's own outside query_customer();
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*/
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vector<Park_time> park_times;
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SQLite::Statement query(data::db,
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"SELECT * FROM Park_time WHERE customer_id = ?;");
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query.bind(1, cid);
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while (query.executeStep()) {
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int id = query.getColumn(0);
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int spot_id = query.getColumn(2);
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int start = query.getColumn(3);
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int duration = query.getColumn(5);
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Park_time result{id, cid, spot_id, start, duration};
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park_times.push_back(result);
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}
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query.reset();
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return park_times;
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}
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//--------------------------------------------- customers
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vector<Customer> query_customer_with_name(string name) {
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/*
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We use this instead of plain customers because:
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1. no error handling needed here if there are no customers
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2. multiple customers could be returned with the same name.
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*/
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vector<Customer> result;
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SQLite::Statement query(
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data::db,
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"SELECT id, name, password, vehicle FROM Customer WHERE name = ?;");
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query.bind(1, name);
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while (query.executeStep()) {
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int id = query.getColumn(0);
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string name_ = query.getColumn(1);
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string password = query.getColumn(2);
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int vehicle = query.getColumn(3); // cast to vehicle
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vector<Park_time> park_instances = query_parktimes_for_customer(id);
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result.push_back(Customer{
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id, name_, password, Vehicle_type(vehicle), park_instances});
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}
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return result;
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}
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Customer query_customer_with_id(int id) {
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/* do not call this function if you are not certain a customer with this id
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exists.
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// the only legitimate caller of this function is query_parkspot_x
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// there is no error handling in this function
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// for when this function doesn't find the customer with this id !!!!
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*/
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SQLite::Statement query(data::db, "SELECT * FROM Customer WHERE id = ?;");
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query.bind(1, id);
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while (query.executeStep()) {
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string name = query.getColumn(1);
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string password = query.getColumn(2);
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int vehicle = query.getColumn(3); // cast to vehicle
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vector<Park_time> park_instances = query_parktimes_for_customer(id);
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Customer result{
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id, name, password, Vehicle_type(vehicle), park_instances};
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// DEBUG
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// cout << "{" << result.id << "," <<result.password <<"," << int(vehicle) << "}\n";
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return result;
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}
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}
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//-------------------------------
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Park_spot query_parkspot_with_id(int id, vector<Park_spot>& parkspots){
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for (Park_spot& i : parkspots){
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if (i.id == id){
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return i;
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}
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}
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}
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// -------------- paroking spots
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// vector<Park_spot> populate_spots(){
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// vector<Park_spot> spots;
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// SQLite::Statement query(data::db, "SELECT * FROM Park_spot WHERE id > 0;");
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// // query.bind(1, 2);
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// while (query.executeStep()) {
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// int id = query.getColumn(0);
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// int taken = query.getColumn(1);
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// int cid = query.getColumn(2);
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// // park_customers.push_back(query_customer_with_id(cid));
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// spots.push_back({id, taken, cid});
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// }
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// return spots;
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// }
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