Homework #1 & #2for Artem Trofimov, Alexey Gershkovich & Viktor Dergach

Trofimov/src/AutomateUsingJava/lesson1/Comments.java

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+package AutomateUsingJava.lesson1;
+
+
+import java.util.Date;
+
+public class Comments {
+    private String commentAuthor;
+    private String commentContent;
+    private Date commentDate;
+
+public Comments (String commentAuthor, String commentContent){
+    this.commentAuthor = commentAuthor;
+    this.commentContent = commentContent;
+    this.commentDate = new Date();
+}
+
+    public String getCommentAuthor() {
+        return commentAuthor;
+    }
+
+    public String getCommentContent() {
+        return commentContent;
+    }
+
+    public Date getCommentDate() {
+        return commentDate;
+    }
+}

Trofimov/src/AutomateUsingJava/lesson1/Post.java

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+package AutomateUsingJava.lesson1;
+
+
+import java.util.Date;
+//import java.System;
+
+public class Post {
+
+    private String postName;
+    private String postContent;
+    private Users postAuthor;
+    private Date postDate;
+    Comments [] postComments = new Comments [10];
+    int commentId = 0;
+
+   public Post (String postName, String postContent, Users postAuthor) {
+       this.postAuthor = postAuthor;
+       this.postName = postName;
+       this.postContent = postContent;
+       this.postDate = new Date();
+   }
+
+    public String getPostName() {
+        return postName;
+    }
+
+    public String getPostContent() {
+        return postContent;
+    }
+
+    public String  getPostAuthor() {
+        return postAuthor.getUserName();
+    }
+
+    public Date getPostDate() {
+        return postDate;
+    }
+
+    public void addComment2Post (Comments k) {
+
+        if (commentId <10) {
+        postComments[commentId] = k;
+        commentId++;}
+            else System.out.println("huy vam!");
+    }
+
+    public void showComments2Post () {
+        //for (each Comments a : postComments
+        for (int i=0; i< commentId; i++) {
+            System.out.println(postComments[i].getCommentAuthor() + " commented at: " + postComments[i].getCommentDate());
+            System.out.println(postComments[i].getCommentContent());
+        }
+    }
+}

Trofimov/src/AutomateUsingJava/lesson1/Users.java

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+package AutomateUsingJava.lesson1;
+
+
+public class Users {
+
+
+    private String userName;
+    private String userPassword;
+    private boolean isAdmin;
+
+    public Users (String userName, String userPassword) {
+        this.userName = userName;
+        this.userPassword = userPassword;
+        this.isAdmin = false;
+    }
+
+    public void setIsAdmin (boolean isAdmin) {
+        this.isAdmin = isAdmin;
+    }
+
+    public String getUserName (){
+        return this.userName;
+    }
+
+
+    public boolean getIsAdmin (){
+        return this.isAdmin;
+    }
+
+    public String getUserPassword() {
+        return userPassword;
+    }
+}

Trofimov/src/AutomateUsingJava/lesson1/WebBlog.java

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+package AutomateUsingJava.lesson1;
+
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.util.ArrayList;
+import java.util.List;
+
+public class WebBlog {
+
+    protected static String webBlogName = "Homework #1 & #2. Team work: Lesha, Artem, Viktor";
+    protected static String legend = "1 - show Posts, 2 - login, 3 - add post, 4 - add user, 5 - add comment, 6 - make admin, 7 - exit";
+    public static Post [] blogPosts = new Post [10];
+    int postId = 0;
+    public static Users [] blogUser = new Users [10];
+    int userId =0;
+    int curUserId=-1;
+    public static BufferedReader readit = new BufferedReader(new InputStreamReader(System.in));
+
+    public void addPost2Blog (Post p) {
+
+        if (postId < blogPosts.length) {
+            blogPosts[postId] = p;
+            postId++;}
+        else System.out.println("ERROR: This nice blog is designed to contain no more than " + blogPosts.length + " posts! Please stop adding the content");
+    }
+
+    public void showPosts4Blog () {
+        //for (each Comments a : postComments
+        for (int i=0; i< postId; i++) {
+            System.out.println("");
+            System.out.println("#" + i + " " + blogPosts[i].getPostName() + " created by: " + blogPosts[i].getPostAuthor() + " at " + blogPosts[i].getPostDate());
+            System.out.println(blogPosts[i].getPostContent());
+            blogPosts[i].showComments2Post();
+            System.out.println("");
+        }
+    }
+
+    public void addUser(Users u) {
+        if (userId < blogUser.length) {
+            blogUser[userId] = u;
+            userId++;
+        }
+        else System.out.println("ERROR: You reached the limit for maximum users of this nice blog! The current limit is: " + blogUser.length);
+    }
+
+
+    public void login (String l, String p){
+        for (int i = 0; i < WebBlog.blogUser.length; i++) {
+//            System.out.println(WebBlog.blogUser.length + " , i: " + i);                            //for test purposes
+//            System.out.println(WebBlog.blogUser[i].getUserName() + " " + WebBlog.blogUser[i].getUserPassword());              //for test purposes
+            if (WebBlog.blogUser[i] == null) break;
+//            try {
+            if (blogUser[i].getUserName().equals(l)) {
+                if (blogUser[i].getUserPassword().equals(p)) {
+                    System.out.println("Welcome " + l + " id: " + i);
+                    curUserId = i;
+                    break;
+                }
+            }
+//            }
+//            catch (NullPointerException e) {
+//
+//            }
+        }
+    }
+
+    public boolean action (int a) throws IOException {
+        // 1 - show Posts, 2 - login, 3 - add post, 4 - add user, 5 - add comment, 6 - make admin, 7 - exit
+        switch (a) {
+            case 1: {
+                showPosts4Blog();                       //show Posts
+                return false;
+            }
+
+            case 2: {                                       //login
+                System.out.println("Enter user name: ");
+                String cUname = readit.readLine();
+                System.out.println("Enter user password: ");
+                String cUpass = readit.readLine();
+                login(cUname, cUpass);
+                return false;
+            }
+
+            case 3: {                                       //add post
+                if (curUserId != -1) {
+                    System.out.println("Enter post name: ");
+                    String curpName = readit.readLine();
+                    System.out.println("Enter post content: ");
+                    String curpContent = readit.readLine();
+                    addPost2Blog(new Post(curpName, curpContent, blogUser[curUserId]));
+                } else System.out.println("Please login first");
+                return false;
+            }
+
+            case 4: {                                       //add user
+                if (curUserId != -1) {
+                    if (blogUser[curUserId].getIsAdmin()) {
+                        System.out.println("Please enter user name");
+                        String s1 = readit.readLine();
+                        System.out.println("Please enter user password");
+                        String s2 = readit.readLine();
+                        addUser(new Users(s1, s2));
+                        System.out.println("User " + s1 + " created.");
+                    } else System.out.println("ERROR: You don't have admin permissions");
+                } else System.out.println("ERROR: Please login first with account having admin permissions");
+                return false;
+            }
+
+            case 5: {                                       //add comment
+
+                return false;
+            }
+
+            case 6: {                                       //make admin
+                if (curUserId != -1) {
+                    if (blogUser[curUserId].getIsAdmin()) {
+                        System.out.println("Please enter user name");
+                        String sn = readit.readLine();
+                        for (int i = 0; i < 10; i++) {
+                            if (blogUser[i].getUserName().equals(sn)) blogUser[i].setIsAdmin(true);
+                        }
+                    } else System.out.println("ERROR: You don't have admin permissions");
+                } else System.out.println("ERROR: Please login first with account having admin permissions");
+                return false;
+            }
+
+            case 7: {                                       //exit
+                return true;
+            }
+
+            default: {
+                System.out.println("Please enter valid action id. You entered:  \"" + a + "\"  which isn't associated with any action yet!");
+                return false;
+            }
+        }
+    }
+
+    public static void main(String[] args) throws IOException {
+        //System.out.println("Please login :)");
+        WebBlog controller = new WebBlog();
+        System.out.println(webBlogName);
+        Users admin = new Users ("admin", "admin");
+        admin.setIsAdmin(true);
+        controller.addUser(admin);
+
+        boolean toExit = false;
+        while (!toExit) {
+            System.out.println("");
+            System.out.println("Please select action: " + legend);
+            try {
+                toExit = controller.action(Integer.parseInt(readit.readLine()));
+            } catch (NumberFormatException e) {
+                System.out.println("ERROR: Please enter the number associated with required action.");
+            }
+        }
+
+
+
+    }
+}