Action.java

import java.util.List;

public class Action {
    private User connectedUser;

    private Services services;
    private ConsolePrinter consolePrinter;
    private ServerThread serverThread;

    public Action() {
        consolePrinter = new ConsolePrinter();
        services = ServicesFactory.getServices();
    }

    public Action(ServerThread serverThread) {
        this.serverThread = serverThread;
        consolePrinter = new ConsolePrinter();
        services = ServicesFactory.getServices();
    }

    public String handleRequest(String request) {

        if (!isBadRequest(request)) {

            if ("connected".equals(request)) {
                return consolePrinter.index();
            } else if (request.startsWith("connect")) {

                return login(request);
            } else if (request.startsWith("create user")) {

                return createUser(request);
            } else if (request.startsWith("add")) {
                return addAnnonce(request);
            } else if (request.startsWith("delete")) {
                return deleteAnnonce(request);
            } else if (request.startsWith("annonce")) {
                if (request.equals("annonce")) {

                    return "request [" + request + "] not found ! you have to add arguments";
                } else if (request.contains(":")) {
                    return addAnnonce(request);
                } else {
                    String username = request.split(" ")[1];
                    return consolePrinter.annonces(
                            services.selectAnnoncesByUsername(username),
                            "ID",
                            "Déscription",
                            "Prix",
                            "Type",
                            "E-mail auteur de l'annonce");
                }
            } else if (request.startsWith("myannonce")) {
                return consolePrinter.annonces(
                        services.selectAnnoncesByUser(this.connectedUser),
                        "ID",
                        "Déscription",
                        "Prix",
                        "Type",
                        "E-mail auteur de l'annonce");
            }
        }
        return "request [" + request + "] not found !";
    }

    private boolean isBadRequest(String request) {
        int space = 0;
        for (int i = 0; i < request.length(); i++) {

            if (" ".equals(request.charAt(i) + "")) {
                space++;
            }
        }

        return (space > 2);
    }

    private int countSeparator(String request) {

        int counter = 0;
        for (int i = 0; i < request.length(); i++) {

            if (request.charAt(i) == ':') {

                counter++;
            }
        }

        return counter;
    }

    private String handleBadRequest(String request, String sep, int numberOfSep) {
        StringBuffer buffer = new StringBuffer("PASS");

        int counter = countSeparator(request);
        if (numberOfSep != counter) {
            buffer = new StringBuffer("Erreur : ");
            buffer.append("BAD REQUEST");
        }

        System.out.println(
                "handleBadRequest("
                        + request
                        + ", "
                        + sep
                        + ", "
                        + numberOfSep
                        + ") => "
                        + buffer.toString());
        return buffer.toString();
    }

    private String deleteAnnonce(String request) {
        String badRequest = handleBadRequest(request, ":", 0);
        if (!badRequest.equals("PASS")) {

            return badRequest;
        }

        String t = request.split(" ")[1];
        if (t != null && !"".equals(t)) {
            int id = Integer.parseInt(t);
            Annonce annonce = null;
            try {
                annonce = services.selectAnnonce(id);
            } catch (Exception e) {

                System.out.println("Error : " + e.getMessage());
            }
            if (annonce != null) {
                if (this.connectedUser.getId() == annonce.getUser().getId()) {

                    services.deleteAnnonce(annonce);
                } else
                    return "BAD REQUEST : Cette annonce ne vous appartient pas pour la supprimer !";
            } else return "BAD REQUEST : Cette annonce n'existe pas";
        }
        return consolePrinter.annonces(
                services.selectAnnoncesByUser(this.connectedUser),
                "ID",
                "Déscription",
                "Prix",
                "Type",
                "E-mail auteur de l'annonce");
    }

    private String createUser(String request) {

        String badRequest = handleBadRequest(request, ":", 3);
        if (!badRequest.equals("PASS")) {

            return badRequest;
        }
        String t[] = request.split(" ")[2].split(":");
        String username = t[0];
        String password = t[1];
        String phone = t[2];
        String email = t[3];

        services.insertUser(new User(username, password, email, phone));
        return consolePrinter.index();
    }

    private String addAnnonce(String request) {
        String badRequest = handleBadRequest(request, ":", 2);
        if (!badRequest.equals("PASS")) {

            return badRequest;
        }

        String t[] = request.split(" ")[1].split(":");
        String price = t[0];
        String description = t[1];
        String type = t[2];

        Annonce annonce =
                new Annonce(new Domain(type), connectedUser, Integer.parseInt(price), description);
        services.insertAnnonce(annonce);

        return consolePrinter.annonces(
                services.selectAnnonces(),
                "Déscription",
                "Prix",
                "Type",
                "E-mail auteur de l'annonce");
    }

    public String login(String request) {
        String badRequest = handleBadRequest(request, ":", 1);
        if (!badRequest.equals("PASS")) {

            return badRequest;
        }

        String t[] = request.split(" ")[1].split(":");
        String username = t[0];
        String password = t[1];

        User user = services.selectUser(username, password);

        if (user != null) {
            connectedUser = user;
            return annonces(
                    services.selectAnnonces(),
                    "Déscription",
                    "Prix",
                    "Type",
                    "E-mail auteur de l'annonce");
        } else return consolePrinter.index();
    }

    private String annonces(List<Annonce> annonces, String... titles) {
        return consolePrinter.list(annonces, titles);
    }
}