Olena/Member Directory Command Line Tool/CSV

course-info.yaml

@@ -24,4 +24,9 @@ additional_files:
   - name: docs/HOW_TO_SUBMIT.md
   - name: docs/PROJECT_IDEAS.md
   - name: docs/guides/numeric-literals-simplified.md
+  - name: participants/olena/project-1/src/main/java/com/wcc/platform/model/Member.java
+  - name: participants/olena/project-1/src/main/java/com/wcc/platform/model/MemberRepository.java
+  - name: src/main/java/com/wcc/bootcamp/java/Main.java
+  - name: participants/olena/project-1/src/main/java/com/wcc/platform/model/CsvMemberRepository.java
+  - name: participants/olena/project-1/src/test/java/com/wcc/platform/EmailValidatorTest.java
 yaml_version: 5

participants/olena/project-1/build.gradle

@@ -12,4 +12,26 @@ repositories {
 application {
     mainClass = 'com.wcc.platform.Main'
 }
+tasks.named('run') {
+    standardInput = System.in
+}
+dependencies {
+
+    testImplementation platform('org.junit:junit-bom:5.10.2')
+    testImplementation 'org.junit.jupiter:junit-jupiter'
+    testRuntimeOnly 'org.junit.platform:junit-platform-launcher'
+
+}
+
+test {
+    useJUnitPlatform()
+
+    outputs.upToDateWhen { false }
+
+    testLogging {
+        events "passed", "failed", "skipped"
+        showStandardStreams = true
+        showExceptions = true
+    }
+}
 

participants/olena/project-1/members.csv

@@ -0,0 +1,5 @@
+name,email,location,skills,joinDate
+Tom,tom@gmail.com,UK,reading,2026-03-12
+Ned,ned@gmail.com,UK,writing,2026-03-12
+Sam,sam@gmail.com,UK,puzzles,2026-03-12
+Tat,tat@gmail.com,France,n/a,2026-03-12

participants/olena/project-1/src/main/java/com/wcc/platform/Main.java

@@ -1,9 +1,61 @@
 package com.wcc.platform;
 
 
-public class Main {
-    public static void main(String[] args) {
-        System.out.println("WCC Member Directory started...");
+import com.wcc.platform.cli.MemberCli;
+import com.wcc.platform.model.Member;
+import com.wcc.platform.model.MemberRepository;
+import com.wcc.platform.model.CsvMemberRepository;
+import com.wcc.platform.validation.EmailValidator;
+
+import java.io.IOException;
+import java.time.LocalDate;
+import java.util.List;
+import java.util.Scanner;
+
+
+public class Main  {
+    private static final Scanner scanner = new Scanner(System.in);
+
+
+
+    public static void main(String[] args) throws IOException {
+        MemberRepository repository = new CsvMemberRepository();
+        repository.loadFromCsv("members.csv");
+        MemberCli cli = new MemberCli(repository);
+        cli.start();
     }
+//        repository.loadFromCsv("members.csv");
+//
+//
+//        System.out.println("Enter name: ");
+//        String name = scanner.nextLine();
+//
+//        String email = EmailValidator.promptValidEmail(scanner);
+//
+//        System.out.println("Enter location: ");
+//        String location = scanner.nextLine();
+//
+//        Member member = new Member(
+//                name,
+//                email,
+//                location,
+//                List.of(),
+//                LocalDate.now()
+//        );
+//        repository.add(member);
+//        repository.saveToCsv("members.csv");
+//        System.out.println("Member added.");
+//        viewMembers();
+//    }
+//    public static void viewMembers() {
+//
+//        System.out.printf("%-15s %-25s %-15s%n", "Name", "Email", "Location");
+//        System.out.println("----------------------------------------------------------");
+//        repository.findAll().forEach(member -> System.out.printf("%-15s %-25s %-15s%n",
+//                member.getName(),
+//                member.getEmail(),
+//                member.getLocation()
+//        ));
+//    }
 }
 

participants/olena/project-1/src/main/java/com/wcc/platform/cli/MemberCli.java

@@ -0,0 +1,221 @@
+package com.wcc.platform.cli;
+
+import com.wcc.platform.model.Member;
+import com.wcc.platform.model.MemberRepository;
+import com.wcc.platform.validation.EmailValidator;
+
+import java.io.IOException;
+import java.time.LocalDate;
+import java.util.List;
+import java.util.Scanner;
+
+public class MemberCli {
+    private final MemberRepository repository;
+    private final Scanner scanner;
+
+    public MemberCli(MemberRepository repository) {
+        this.repository = repository;
+        this.scanner = new Scanner(System.in);
+    }
+
+    public void start() throws IOException {
+        boolean running = true;
+        while(running) {
+            printMenu();
+            String choice = scanner.nextLine();
+            switch (choice) {
+                case "1":
+                    addMember();
+                    break;
+                case "2":
+                    viewMembers();
+                    break;
+                case "3":
+                    updateMember();
+                    break;
+                case "4":
+                    deleteMember();
+                    break;
+
+
+                case "5":
+                    searchByLocation();
+                    break;
+
+                case "6":
+                    searchBySkill();
+                    break;
+
+                case "7":
+                    sortByName();
+                    break;
+
+                case "8":
+                    sortByJoinDate();
+                    break;
+
+
+                case "0":
+                    running = false;
+                    break;
+
+                default:
+                    System.out.println("Invalid option");
+            }
+        }
+    }
+
+    private void printMenu() {
+        System.out.println();
+        System.out.println("===== Member Directory =====");
+        System.out.println("1. Add Member");
+        System.out.println("2. View Members");
+        System.out.println("3. Update Member");
+        System.out.println("4. Delete Member");
+        System.out.println("5. Search by Location");
+        System.out.println("6. Search by Skill");
+        System.out.println("7. Sort by Name");
+        System.out.println("8. Sort by Join Date");
+        System.out.println("0. Exit");
+        System.out.println("Choose option: ");
+    }
+
+    private void addMember() throws IOException {
+
+        System.out.println("Enter name:");
+        String name = scanner.nextLine();
+
+        String email = EmailValidator.promptValidEmail(scanner);
+
+        System.out.println("Enter location:");
+        String location = scanner.nextLine();
+
+        System.out.println("Enter skills (comma separated):");
+        String skillsInput = scanner.nextLine();
+
+        List<String> skills = List.of(skillsInput.split(","));
+
+        Member member = new Member(
+                name,
+                email,
+                location,
+                skills,
+                LocalDate.now()
+        );
+
+        repository.add(member);
+        repository.saveToCsv("members.csv");
+
+        System.out.println("Member added.");
+    }
+
+    private void viewMembers() {
+
+        System.out.printf("%-15s %-25s %-15s %-20s%n", "Name", "Email", "Location", "Skills");
+        System.out.println("---------------------------------------------------------------------------------");
+
+        repository.findAll().forEach(member ->
+                System.out.printf("%-15s %-25s %-15s %-20s%n",
+                        member.getName(),
+                        member.getEmail(),
+                        member.getLocation(),
+                        String.join("|", member.getSkills())
+                )
+        );
+    }
+
+    private void updateMember() throws IOException {
+
+        System.out.println("Enter email of member to update:");
+        String email = scanner.nextLine();
+
+        System.out.println("Enter new name:");
+        String newName = scanner.nextLine();
+
+        System.out.println("Enter new email:");
+        String newEmail = EmailValidator.promptValidEmail(scanner);
+
+        System.out.println("Enter new location:");
+        String newLocation = scanner.nextLine();
+
+        System.out.println("Enter new skills:");
+        String newSkills = scanner.nextLine();
+
+        repository.updateMember(email, newName, newEmail, newLocation, newSkills);
+
+        repository.saveToCsv("members.csv");
+    }
+
+
+    private void deleteMember() throws IOException {
+
+        System.out.println("Enter email to delete:");
+
+        String email = scanner.nextLine();
+
+        repository.deleteByEmail(email);
+
+        repository.saveToCsv("members.csv");
+
+        System.out.println("Member deleted.");
+    }
+
+
+    private void searchByLocation() {
+
+        System.out.println("Enter location:");
+        String location = scanner.nextLine();
+
+        List<Member> results = repository.findByLocation(location);
+
+        results.forEach(member ->
+                System.out.printf("%-15s %-25s %-15s%n",
+                        member.getName(),
+                        member.getEmail(),
+                        member.getLocation()
+                )
+        );
+    }
+
+    private void searchBySkill() {
+
+        System.out.println("Enter skill:");
+        String skill = scanner.nextLine();
+
+        List<Member> results = repository.findBySkill(skill);
+
+        results.forEach(member ->
+                System.out.printf("%-15s %-25s %-15s%n",
+                        member.getName(),
+                        member.getEmail(),
+                        member.getLocation()
+                )
+        );
+    }
+
+    private void sortByName() {
+
+        List<Member> results = repository.sortByName();
+
+        results.forEach(member ->
+                System.out.printf("%-15s %-25s %-15s%n",
+                        member.getName(),
+                        member.getEmail(),
+                        member.getLocation()
+                )
+        );
+    }
+
+    private void sortByJoinDate() {
+
+        List<Member> results = repository.sortByJoinDate();
+
+        results.forEach(member ->
+                System.out.printf("%-15s %-25s %-15s%n",
+                        member.getName(),
+                        member.getEmail(),
+                        member.getLocation()
+                )
+        );
+    }
+}