feat: add profile operations

src/ru/charm/back/CharmBackClientRunner.java

@@ -0,0 +1,27 @@
+package ru.charm.back;
+
+import java.io.DataInputStream;
+import java.io.DataOutputStream;
+import java.io.IOException;
+import java.net.Socket;
+import java.util.Scanner;
+
+public class CharmBackClientRunner {
+    public static void main(String[] args) throws IOException {
+        try (
+                Socket socket = new Socket("localhost", 8080);
+                DataInputStream rsStream = new DataInputStream(socket.getInputStream());
+                DataOutputStream rqStream = new DataOutputStream(socket.getOutputStream());
+                Scanner scanner = new Scanner(System.in)
+        ) {
+            while (scanner.hasNextLine()) {
+                System.out.println("Client: ");
+                String request = scanner.nextLine();
+                rqStream.writeUTF(request);
+
+                String response = rsStream.readUTF();
+                System.out.println("Server: " + response);
+            }
+        }
+    }
+}

src/ru/charm/back/CharmBackServerRunner.java

@@ -0,0 +1,49 @@
+package ru.charm.back;
+
+import ru.charm.back.controller.ProfileController;
+import ru.charm.back.dao.ProfileDao;
+import ru.charm.back.model.Command;
+import ru.charm.back.service.ProfileService;
+
+import java.io.DataInputStream;
+import java.io.DataOutputStream;
+import java.io.IOException;
+import java.net.ServerSocket;
+import java.net.Socket;
+
+public class CharmBackServerRunner {
+    public static void main(String[] args) throws IOException {
+        ProfileController controller = new ProfileController(new ProfileService(new ProfileDao()));
+
+        try (
+                ServerSocket serverSocket = new ServerSocket(8080);
+                Socket socket = serverSocket.accept();
+                DataInputStream rqStream = new DataInputStream(socket.getInputStream());
+                DataOutputStream rsStream = new DataOutputStream(socket.getOutputStream());
+        ) {
+            String request = rqStream.readUTF();
+            String response;
+
+            while (!request.equals("stop")) {
+                if (request.startsWith(Command.SAVE.getPrefix())) {
+                    response = controller.save(request.split("save ")[1]);
+                } else if (request.startsWith(Command.FIND_BY_ID.getPrefix())) {
+                    response = controller.findById(request.split("findById ")[1]);
+                } else if (request.startsWith(Command.FIND_ALL.getPrefix())) {
+                    response = controller.findAll();
+                } else if (request.startsWith(Command.UPDATE.getPrefix())) {
+                    response = controller.update(request.split("update ")[1]);
+                } else if (request.startsWith(Command.DELETE.getPrefix())) {
+                    response = controller.delete(request.split("delete ")[1]);
+                } else {
+                    response = "Unsupported method";
+                }
+
+                rsStream.writeUTF(response);
+                request = rqStream.readUTF();
+
+                System.out.println("Server: " + request);
+            }
+        }
+    }
+}

src/ru/charm/back/Main.java

@@ -1,7 +0,0 @@
-package ru.charm.back;
-
-public class Main {
-    public static void main(String[] args) {
-        System.out.println("Hello from charm");
-    }
-}

src/ru/charm/back/controller/ProfileController.java

@@ -1,7 +1,10 @@
 package ru.charm.back.controller;
 
+import ru.charm.back.model.Profile;
 import ru.charm.back.service.ProfileService;
 
+import java.util.Optional;
+
 public class ProfileController {
     private final ProfileService service;
 
@@ -9,5 +12,101 @@ public class ProfileController {
         this.service = service;
     }
 
-    public String work(String request) {}
+    public String work(String request) {
+        return "";
+    }
+
+    public String save(String save) {
+        String[] params = save.split(",");
+
+        if (params.length != 4) {
+            return "Bad request";
+        }
+
+        Profile profile = new Profile();
+        profile.setEmail(params[0]);
+        profile.setName(params[1]);
+        profile.setSurname(params[2]);
+        profile.setAbout(params[3]);
+
+        return service.save(profile).toString();
+    }
+
+    public String findById(String request) {
+        String[] params = request.split(",");
+
+        if (params.length != 1) {
+            return "Bad request";
+        }
+
+        long id;
+        try {
+            id = Long.parseLong(params[0]);
+        } catch (NumberFormatException e) {
+            return "Bad request";
+        }
+
+        Optional<Profile> maybeProfile = service.findById(id);
+
+        if (maybeProfile.isEmpty()) {
+            return "Not found";
+        }
+
+        return maybeProfile.get().toString();
+    }
+
+    public String findAll() {
+        return service.findAll().toString();
+    }
+
+    public String update(String request) {
+        String[] params = request.split(",");
+
+        if (params.length != 5) {
+            return "Bad request";
+        }
+
+        long id;
+        try {
+            id = Long.parseLong(params[0]);
+        } catch (NumberFormatException e) {
+            return "Bad request";
+        }
+
+        Profile profile = new Profile();
+        profile.setId(id);
+        profile.setEmail(params[1]);
+        profile.setName(params[2]);
+        profile.setSurname(params[3]);
+        profile.setAbout(params[4]);
+
+        service.update(profile);
+
+        return "Update success\n" + profile.toString();
+    }
+
+    public String delete(String request) {
+        String[] params = request.split(",");
+
+        if (params.length != 1) {
+            return "Bad request";
+        }
+
+        long id;
+        try {
+            id = Long.parseLong(params[0]);
+        } catch (NumberFormatException e) {
+            return "Bad request";
+        }
+
+        Optional<Profile> maybeProfile = service.findById(id);
+
+        if (maybeProfile.isEmpty()) {
+            return "Not found";
+        }
+
+        service.delete(id);
+
+        return "Delete success";
+    }
 }

src/ru/charm/back/model/Command.java

@@ -0,0 +1,19 @@
+package ru.charm.back.model;
+
+public enum Command {
+    SAVE("save"),
+    FIND_BY_ID("findById"),
+    FIND_ALL("findAll"),
+    UPDATE("update"),
+    DELETE("delete");
+
+    private final String prefix;
+
+    Command(String prefix) {
+        this.prefix = prefix;
+    }
+
+    public String getPrefix() {
+        return prefix;
+    }
+}

src/ru/charm/back/model/Profile.java

@@ -46,4 +46,15 @@ public class Profile {
     public void setAbout(String about) {
         this.about = about;
     }
+
+    @Override
+    public String toString() {
+        return "Profile{" +
+                "id=" + id +
+                ", email='" + email + '\'' +
+                ", name='" + name + '\'' +
+                ", surname='" + surname + '\'' +
+                ", about='" + about + '\'' +
+                '}';
+    }
 }