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207 lines
7.5 KiB
207 lines
7.5 KiB
package cmpt213.assignment4.packagedeliveries.client.control;
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import cmpt213.assignment4.packagedeliveries.client.gson.extras.RuntimeTypeAdapterFactory;
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import cmpt213.assignment4.packagedeliveries.client.model.BookPackage;
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import cmpt213.assignment4.packagedeliveries.client.model.ElectronicPackage;
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import cmpt213.assignment4.packagedeliveries.client.model.PackageInfo;
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import cmpt213.assignment4.packagedeliveries.client.model.PerishablePackage;
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import com.google.gson.Gson;
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import com.google.gson.GsonBuilder;
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import com.google.gson.TypeAdapter;
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import com.google.gson.reflect.TypeToken;
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import com.google.gson.stream.JsonReader;
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import com.google.gson.stream.JsonWriter;
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import java.io.*;
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import java.lang.reflect.Type;
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import java.nio.file.Files;
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import java.nio.file.NoSuchFileException;
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import java.nio.file.Paths;
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import java.time.LocalDateTime;
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import java.time.format.DateTimeFormatter;
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import java.util.ArrayList;
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import java.util.Collections;
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/**
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* It's a class that contains a main method that creates a TextMenu object, loads a list of packages
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* from a file, and then loops through a menu of options until the user chooses to quit
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*/
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public class PackageDeliveriesTracker {
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private static final String fileName = "list.json";
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private static final RuntimeTypeAdapterFactory<PackageInfo> r = RuntimeTypeAdapterFactory.of(PackageInfo.class, "type")
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.registerSubtype(BookPackage.class, "book")
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.registerSubtype(PerishablePackage.class, "perishable")
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.registerSubtype(ElectronicPackage.class, "electronic");
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private static final Gson gson = new GsonBuilder().registerTypeAdapter(LocalDateTime.class,
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new TypeAdapter<LocalDateTime>() {
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@Override
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public void write(JsonWriter jsonWriter,
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LocalDateTime localDateTime) throws IOException {
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jsonWriter.value(localDateTime.toString());
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}
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@Override
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public LocalDateTime read(JsonReader jsonReader) throws IOException {
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return LocalDateTime.parse(jsonReader.nextString());
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}
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}).registerTypeAdapterFactory(r).create();
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private static ArrayList<PackageInfo> packageList = new ArrayList<>();
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private static PackageDeliveriesTracker instance;
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public static PackageDeliveriesTracker getInstance() {
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if (instance == null) {
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instance = new PackageDeliveriesTracker();
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}
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return instance;
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}
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public void addPackage(PackageInfo p) {
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packageList.add(p);
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Collections.sort(packageList);
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}
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/**
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* It saves the packageList to a file.
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*/
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public void save() {
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try {
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Writer w = new FileWriter(fileName);
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gson.toJson(packageList, w);
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w.flush();
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w.close();
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} catch (IOException e) {
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e.printStackTrace();
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}
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}
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/**
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* It reads the json file, converts it to a list of PackageInfo objects, and then sets the type of
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* each object to the appropriate type
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*/
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public void load() {
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//File file = new File(fileName);
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try {
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String json = Files.readString(Paths.get(fileName));
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Type lType = new TypeToken<ArrayList<PackageInfo>>() {
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}.getType();
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packageList = gson.fromJson(json, lType);
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for (PackageInfo p : packageList) {
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if (p instanceof BookPackage) {
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p.setType("book");
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} else if (p instanceof PerishablePackage) {
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p.setType("perishable");
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} else if (p instanceof ElectronicPackage) {
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p.setType("electronic");
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}
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}
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System.out.println("packages loaded");
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} catch (FileNotFoundException e) {
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System.out.println("no packages to load");
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} catch (NoSuchFileException e) {
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createFile();
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//throw new RuntimeException(e);
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} catch (IOException e) {
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throw new RuntimeException(e);
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}
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}
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private void createFile() {
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System.out.println("CreateFile");
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try {
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File packages = new File(fileName);
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if(packages.createNewFile()) {
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System.out.println("New file list.json created");
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}
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}
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catch (IOException e) {
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System.out.println("No file exists, creating a new file");
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e.printStackTrace();
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}
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}
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public ArrayList<String> getAllPackages() {
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ArrayList<String> b = new ArrayList<>();
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if (packageList.size() == 0) {
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b.add("No packages to show");
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} else {
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Collections.sort(packageList);
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for (int i = 0; i < packageList.size(); i++) {
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String bString = ("Package #" + (i + 1)) + "\n" + packageList.get(i) + "\n\n";
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b.add(bString);
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}
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}
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return b;
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}
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/**
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* This function takes in a list of packages, a boolean for whether or not the user wants to see
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* packages that are due, and a boolean for whether or not the user wants to see all packages. It
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* then returns a list of packages that are sorted by their expected delivery date
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*
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* @param pList the list of packages to be sorted
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* @param due true if you want to sort the list by due date, false if you want to sort the list by
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* expected date
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* @return An ArrayList of PackageInfo objects.
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*/
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//due=true returns overdue packages, else upcoming packages
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public ArrayList<PackageInfo> sortList(ArrayList<PackageInfo> pList, boolean due) {
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ArrayList<PackageInfo> sortedList = new ArrayList<>();
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LocalDateTime today = LocalDateTime.now();
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DateTimeFormatter format = DateTimeFormatter.ofPattern("yyy-MM-dd HH:mm");
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today.format(format);
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for (int i = 0; i < pList.size(); i++) {
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PackageInfo p = pList.get(i);
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if (!p.getDelivered()) {
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if (due && today.isAfter(p.getExpectedDate())) {
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sortedList.add(p);
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} else if (!due && today.isBefore(p.getExpectedDate())) {
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sortedList.add(p);
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}
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}
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}
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Collections.sort(sortedList);
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return sortedList;
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}
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public ArrayList<String> overDuePackages() {
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ArrayList<String> b = new ArrayList<>();
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ArrayList<PackageInfo> overdue = sortList(packageList, true);
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if (overdue.size() == 0) {
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b.add("no overdue packages to show");
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}
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for (int i = 0; i < overdue.size(); i++) {
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String bString = ("Package #" + (i + 1)) + "\n" + overdue.get(i) + "\n\n";
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b.add(bString);
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}
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return b;
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}
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public ArrayList<String> upcomingPackages() {
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ArrayList<String> b = new ArrayList<>();
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ArrayList<PackageInfo> upcoming = sortList(packageList, false);
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if (upcoming.size() == 0) {
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b.add("no upcoming packages to show");
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}
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for (int i = 0; i < upcoming.size(); i++) {
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String bString = ("Package #" + (i + 1)) + "\n" + upcoming.get(i) + "\n\n";
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b.add(bString);
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}
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return b;
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}
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public void removePcakage(int i) {
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packageList.remove(i);
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}
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public boolean isDelivered(int i) {
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return packageList.get(i).getDelivered();
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}
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public void setDelivered(int i) {
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packageList.get(i).setDelivered(true);
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}
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}
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