484 lines
15 KiB
C++
484 lines
15 KiB
C++
#include "DBPlan.hpp"
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DBPlan::DBPlan(std::string connStr) : DBHandler(connStr) {
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};
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void DBPlan::vertretung(std::string tag, std::string stunde, std::string dauer) {
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try {
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std::string prevStunde = std::to_string(std::stoi(stunde) - 1);
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std::string cap = std::to_string(18 - std::stoi(dauer));
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std::string nextStunde;
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std::string nextTag = tag;
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std::string prevTag = tag;
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if (dauer == "4") {
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nextStunde = std::to_string(std::stoi(stunde) + 2);
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std::cout << nextStunde << std::endl;
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}
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else {
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nextStunde = std::to_string(std::stoi(stunde) + 1);
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std::cout << nextStunde << std::endl;
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}
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if (prevStunde == "0") {
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prevStunde = "5";
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prevTag = std::to_string(std::stoi(tag) - 1);
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if (prevTag == "0") {
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prevTag = "5";
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}
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}
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if (nextStunde == "6") {
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nextStunde = "1";
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nextTag = std::to_string(std::stoi(tag)+1);
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if (nextTag == "6") {
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nextTag = "1";
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}
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}
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pqxx::work worker(connectionObject);
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std::string query =
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"UPDATE Veranstalter_Veranstaltung_Uhrzeit SET Veranstalter_ID = "
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"(SELECT ID FROM Veranstalter WHERE ID != (SELECT Veranstalter_ID FROM Veranstalter_Veranstaltung_Uhrzeit WHERE uhrzeit_id = $1 AND tag = $2) "
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"AND ID != (SELECT Veranstalter_ID FROM Veranstalter_Veranstaltung_Uhrzeit WHERE uhrzeit_id = $3 AND tag = $4) LIMIT 1) WHERE uhrzeit_id = $5 AND tag = $6; ";
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pqxx::result response = worker.exec_params(query, prevStunde, prevTag, nextStunde, nextTag, stunde, tag);
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worker.commit();
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}
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catch (const std::exception& e) {
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std::cerr << "Error: " << e.what() << std::endl;
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}
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}
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void DBPlan::sucheVertretung(std::string tag, std::string stunde) {
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std::string dauer = getDauer(tag, stunde);
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vertretung(tag, stunde, dauer);
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incarbeitszeit(tag, stunde, dauer);
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if (dauer == "4") {
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upperHour(tag, stunde);
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}
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}
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void DBPlan::meldeKrank(std::string id, std::string tag, std::string stunde) {
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try {
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pqxx::work worker(connectionObject);
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std::string query =
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"UPDATE Veranstalter SET krank = TRUE WHERE ID = $1";
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pqxx::result response = worker.exec_params(query, id);
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worker.commit();
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sucheVertretung(tag, stunde);
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meldeGesund(id);
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versendeEmails();
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}
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catch (const std::exception& e) {
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std::cerr << "Error: " << e.what() << std::endl;
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}
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}
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void DBPlan::meldeGesund(std::string id) {
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try {
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pqxx::work worker(connectionObject);
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std::string query =
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"UPDATE Veranstalter SET krank = FALSE WHERE ID = $1";
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pqxx::result response = worker.exec_params(query, id);
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worker.commit();
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}
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catch (const std::exception& e) {
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std::cerr << "Error: " << e.what() << std::endl;
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}
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}
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void DBPlan::deleteVeranstalterForeign(std::string id) {
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try {
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pqxx::work worker(connectionObject);
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std::string query =
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"UPDATE Veranstalter_Veranstaltung_Uhrzeit SET Veranstalter_ID = NULL WHERE Veranstalter_ID = $1;";
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pqxx::result response = worker.exec_params(query, id);
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worker.commit();
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versendeEmails();
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}
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catch (const std::exception& e) {
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std::cerr << "Error: " << e.what() << std::endl;
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}
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}
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void DBPlan::deleteVeranstalter(std::string id) {
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deleteVeranstalterForeign(id);
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try {
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pqxx::work worker(connectionObject);
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std::string query =
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"DELETE FROM Veranstalter WHERE ID = $1";
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pqxx::result response = worker.exec_params(query, id);
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worker.commit();
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}
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catch (const std::exception& e) {
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std::cerr << "Error: " << e.what() << std::endl;
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}
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}
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void DBPlan::deleteVeranstaltungForeign(std::string id) {
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try {
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pqxx::work worker(connectionObject);
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std::string query =
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"UPDATE Veranstalter_Veranstaltung_Uhrzeit SET Veranstaltung_ID = NULL WHERE Veranstalter_ID = $1;";
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pqxx::result response = worker.exec_params(query, id);
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worker.commit();
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versendeEmails();
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}
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catch (const std::exception& e) {
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std::cerr << "Error: " << e.what() << std::endl;
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}
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}
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void DBPlan::deleteVeranstaltung(std::string id) {
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deleteVeranstaltungForeign(id);
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try {
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pqxx::work worker(connectionObject);
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std::string query =
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"DELETE FROM Veranstaltung WHERE ID = $1";
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pqxx::result response = worker.exec_params(query, id);
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worker.commit();
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}
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catch (const std::exception& e) {
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std::cerr << "Error: " << e.what() << std::endl;
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}
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}
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void DBPlan::hinzufuegenVeranstaltung(std::string name, std::string dauer, std::string ort, std::string raum) {
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try {
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pqxx::work worker(connectionObject);
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std::string query =
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"INSERT INTO Veranstaltung (name, dauer, ort, raum) VALUES ($1, $2, $3, $4);";
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pqxx::result response = worker.exec_params(query, name, dauer, ort, raum);
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worker.commit();
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}
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catch (const std::exception& e) {
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std::cerr << "Error: " << e.what() << std::endl;
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}
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}
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void DBPlan::hinzufuegenVeranstalter(std::string email, std::string name, std::string pw, std::string admin) {
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try {
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pqxx::work worker(connectionObject);
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std::string query =
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"INSERT INTO Veranstaltung (email, name, pw, admin) VALUES ($1, $2, $3, $4);";
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pqxx::result response = worker.exec_params(query, email, name, pw, admin);
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worker.commit();
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}
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catch (const std::exception& e) {
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std::cerr << "Error: " << e.what() << std::endl;
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}
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}
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void DBPlan::deleteStudent(std::string id) {
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try {
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pqxx::work worker(connectionObject);
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std::string query =
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"DELETE FROM studenten WHERE ID = $1;";
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pqxx::result response = worker.exec_params(query, id);
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worker.commit();
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}
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catch (const std::exception& e) {
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std::cerr << "Error: " << e.what() << std::endl;
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}
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}
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void DBPlan::hinzufuegenStudent(std::string email, std::string name, std::string pw) {
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try {
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pqxx::work worker(connectionObject);
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std::string query =
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"INSERT INTO studenten (email, name, pw) VALUES ($1, $2, $3);";
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pqxx::result response = worker.exec_params(query, email, name, pw);
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worker.commit();
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}
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catch (const std::exception& e) {
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std::cerr << "Error: " << e.what() << std::endl;
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}
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}
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std::string DBPlan::getDauer(std::string tag, std::string stunde) {
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try {
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pqxx::work worker(connectionObject);
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std::string query =
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"SELECT dauer FROM Veranstaltung WHERE ID = (SELECT Veranstaltung_ID FROM Veranstalter_Veranstaltung_Uhrzeit WHERE uhrzeit_id = $1 AND tag = $2);";
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pqxx::result response = worker.exec_params(query, stunde, tag);
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worker.commit();
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return response[0][0].c_str();
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}
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catch (const std::exception& e) {
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std::cerr << "Error: " << e.what() << std::endl;
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}
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}
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void DBPlan::addFirstOfDayTwo(std::string tag) {
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try {
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pqxx::work worker(connectionObject);
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std::string query =
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"UPDATE Veranstalter_Veranstaltung_Uhrzeit SET Veranstalter_ID = (SELECT ID FROM Veranstalter WHERE arbeitszeit <= 16 AND krank = FALSE LIMIT 1) "
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"WHERE uhrzeit_id = 1 AND tag = $1;";
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pqxx::result response = worker.exec_params(query, tag);
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worker.commit();
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}
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catch (const std::exception& e) {
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std::cerr << "Error: " << e.what() << std::endl;
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}
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}
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void DBPlan::addTwoHour(std::string tag, std::string stunde) {
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try {
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std::string prevStunde = std::to_string(std::stoi(stunde) - 1);
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std::cout << " prevStunde: " << prevStunde << " Tag: " << tag << " stunde " << stunde << std::endl;
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pqxx::work worker(connectionObject);
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std::string query =
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"UPDATE Veranstalter_Veranstaltung_Uhrzeit SET Veranstalter_id = (SELECT ID FROM Veranstalter "
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"WHERE arbeitszeit <= 16 AND krank = FALSE "
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"AND(standort = (SELECT ort FROM Veranstaltung WHERE ID = (SELECT veranstaltung_ID FROM Veranstalter_Veranstaltung_Uhrzeit WHERE uhrzeit_id = $1 AND tag = $2)) "
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"AND ID != (SELECT veranstalter_ID FROM Veranstalter_Veranstaltung_Uhrzeit WHERE uhrzeit_id = $1 AND tag = $2)) "
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"ORDER BY random() LIMIT 1) "
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"WHERE uhrzeit_id = $3 AND tag = $4;";
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pqxx::result response = worker.exec_params(query, prevStunde, tag, stunde, tag);
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worker.commit();
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}
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catch (const std::exception& e) {
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std::cerr << "Error: " << e.what() << std::endl;
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}
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}
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void DBPlan::addFirstOfDayFour(std::string tag) {
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try {
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pqxx::work worker(connectionObject);
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std::string query =
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"UPDATE Veranstalter_Veranstaltung_Uhrzeit SET Veranstalter_ID = (SELECT ID FROM Veranstalter WHERE arbeitszeit <= 14 AND krank = FALSE LIMIT 1) "
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"WHERE uhrzeit_id = 1 AND tag = $1;";
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pqxx::result response = worker.exec_params(query, tag);
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worker.commit();
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}
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catch (const std::exception& e) {
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std::cerr << "Error: " << e.what() << std::endl;
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}
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}
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void DBPlan::addFourHour(std::string tag, std::string stunde) {
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try {
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std::string prevStunde = std::to_string(std::stoi(stunde) - 1);
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pqxx::work worker(connectionObject);
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std::string query =
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"UPDATE Veranstalter_Veranstaltung_Uhrzeit SET Veranstalter_id = (SELECT ID FROM Veranstalter "
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"WHERE arbeitszeit <= 14 AND krank = FALSE "
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"AND(standort = (SELECT ort FROM Veranstaltung WHERE ID = (SELECT veranstaltung_ID FROM Veranstalter_Veranstaltung_Uhrzeit WHERE uhrzeit_id = $1 AND tag = $2)) "
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"AND ID != (SELECT veranstalter_ID FROM Veranstalter_Veranstaltung_Uhrzeit WHERE uhrzeit_id = $1 AND tag = $2)) "
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"ORDER BY random() LIMIT 1) "
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"WHERE uhrzeit_id = $3 AND tag = $4;";
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pqxx::result response = worker.exec_params(query, prevStunde, tag, stunde, tag);
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worker.commit();
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}
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catch (const std::exception& e) {
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std::cerr << "Error: " << e.what() << std::endl;
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}
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}
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void DBPlan::upperHour(std::string tag, std::string stunde) {
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try {
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std::string nextStunde = std::to_string(std::stoi(stunde) + 1);
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pqxx::work worker(connectionObject);
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std::string query =
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"UPDATE Veranstalter_Veranstaltung_Uhrzeit SET Veranstalter_ID = (SELECT Veranstalter_ID FROM Veranstalter_Veranstaltung_Uhrzeit WHERE uhrzeit_id = $1 AND tag = $2)"
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"WHERE uhrzeit_id = $3 AND tag = $2;";
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pqxx::result response = worker.exec_params(query, stunde, tag, nextStunde);
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worker.commit();
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}
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catch (const std::exception& e) {
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std::cerr << "Error: " << e.what() << std::endl;
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}
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}
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void DBPlan::updateStandort(std::string tag, std::string stunde) {
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try {
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pqxx::work worker(connectionObject);
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std::string query =
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"UPDATE Veranstalter SET standort = (SELECT ort FROM Veranstaltung WHERE ID = (SELECT Veranstaltung_ID FROM Veranstalter_Veranstaltung_Uhrzeit WHERE uhrzeit_id = $1 AND tag = $2)) WHERE ID = (SELECT Veranstalter_ID FROM Veranstalter_Veranstaltung_Uhrzeit WHERE uhrzeit_id = $1 AND tag = $2);";
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pqxx::result response = worker.exec_params(query, stunde, tag);
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worker.commit();
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}
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catch (const std::exception& e) {
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std::cerr << "Error: " << e.what() << std::endl;
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}
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}
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void DBPlan::incarbeitszeit(std::string tag, std::string stunde, std::string amount) {
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try {
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pqxx::work worker(connectionObject);
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std::string query =
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"UPDATE Veranstalter SET arbeitszeit = arbeitszeit + $1 WHERE ID = (SELECT Veranstalter_ID FROM Veranstalter_Veranstaltung_Uhrzeit WHERE uhrzeit_id = $2 AND tag = $3);";
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pqxx::result response = worker.exec_params(query,amount, stunde, tag);
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worker.commit();
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}
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catch (const std::exception& e) {
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std::cerr << "Error: " << e.what() << std::endl;
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}
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}
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void DBPlan::createPlan() {
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try {
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for (int tag = 1; tag < 6; tag++) {
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std::string tagStr = std::to_string(tag);
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for (int stunde = 1; stunde < 6; stunde++) {
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std::string stundeStr = std::to_string(stunde);
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//get dauer of next class
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if (std::stoi(getDauer(tagStr, stundeStr)) == 2) {
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if (stunde == 1) {
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addFirstOfDayTwo(tagStr);
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}
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else {
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addTwoHour(tagStr, stundeStr);
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}
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updateStandort(tagStr, stundeStr);
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incarbeitszeit(tagStr, stundeStr, "2");
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}
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else {
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if (stunde == 1) {
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addFirstOfDayFour(tagStr);
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}
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else {
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addFourHour(tagStr, stundeStr);
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}
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upperHour(tagStr, stundeStr);
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incarbeitszeit(tagStr, stundeStr, "4");
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updateStandort(tagStr, stundeStr);
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stunde++;
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}
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}
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}
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}
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catch (const std::exception& e) {
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std::cerr << "Error: " << e.what() << std::endl;
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}
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}
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std::vector<std::string> DBPlan::getPlan() {
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try {
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std::vector<std::string> plan;
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pqxx::work worker(connectionObject);
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std::string query =
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"SELECT tag, u.anfangszeit, u.endzeit, o.ort, o.name, v.name, v.ID FROM Veranstalter_Veranstaltung_Uhrzeit LEFT JOIN Veranstalter v ON Veranstalter_Veranstaltung_Uhrzeit.veranstalter_ID = v.ID "
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"LEFT JOIN Uhrzeit u ON Veranstalter_Veranstaltung_Uhrzeit.uhrzeit_ID = u.ID "
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"LEFT JOIN Veranstaltung o ON Veranstalter_Veranstaltung_Uhrzeit.veranstaltung_ID = o.ID "
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"ORDER BY tag, uhrzeit_ID;";
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pqxx::result response = worker.exec(query);
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worker.commit();
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for (const auto& row : response) {
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std::string rowstring;
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for (const auto& col : row) {
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rowstring.append(col.c_str());
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rowstring.append(" , ");
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}
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plan.push_back(rowstring);
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}
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return plan;
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}
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catch (const std::exception& e) {
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std::cerr << "Error: " << e.what() << std::endl;
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}
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}
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void DBPlan::versendeEmails() {
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std::cout << "Der Einsatzplan wurde geupdated" << std::endl;
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}
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