Tweet

src/main/java/com/sf/codingcomp/tweet/Feed.java

@@ -4,7 +4,6 @@
 import java.util.List;
 
 public class Feed {
-
 	private List<Tweet> tweets = new ArrayList<Tweet>();
 
 	public List<Tweet> getTweets() {
@@ -14,5 +13,9 @@ public List<Tweet> getTweets() {
 	public void setTweets(List<Tweet> tweets) {
 		this.tweets = tweets;
 	}
-
+	public void addTweet(Tweet tweet) {
+		this.tweets.add(tweet);
+	}
+
+
 }

src/main/java/com/sf/codingcomp/tweet/Tweeter.java

@@ -1,11 +1,60 @@
+/*
+ * Copyright (c) 2016 ASU CodeDevils
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated 
+documentation files (the "Software"), to deal in the Software without restriction, including without 
+limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies 
+of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+The above copyright notice and this permission notice shall be included in all copies or substantial 
+portions of the Software.
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT 
+NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, 
+WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE 
+OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
 package com.sf.codingcomp.tweet;
 
-import java.util.List;
+import java.util.*;
 
 public class Tweeter {
+	private static List<User> users = new ArrayList<User>();
 
 	public void tweet(String text, User user) throws TweetTooLongException {
-		// TODO implement me
+		if(text.length()>140) throw new TweetTooLongException();
+		// add tweet to the users feed
+		Tweet tweet = new Tweet(text, user);
+		user.addTweet(tweet);
+
+		// add tweet to the feed of all those mentioned in the tweet (@username)
+		for(int i = 0; i < text.length(); i++){
+			if(text.charAt(i)=='@'){
+				int temp = i+1;
+				do{
+					i++;
+				}while(text.charAt(i)!=' ' || i == text.length());
+				String mention = text.substring(temp, i);
+				for(User mentioned : users){
+					if(mentioned.getUsername().equals(mention) && !mentioned.getUsername().equals(user.getUsername())){
+						System.out.println("New tweet at: " + mentioned.getUsername());
+						mentioned.addTweet(tweet);
+						break;
+					}
+				}
+			}
+		}
+
+		// add tweet to the feed of all those being followed by this user
+		for(User aUser : users){
+			if(aUser.isFollowing(user)){
+				aUser.addTweet(tweet);
+				break;
+			}
+		}
+
+	}
+
+	public static void addUser(User user){
+		users.add(user);
 	}
 
 	/**
@@ -16,8 +65,31 @@ public void tweet(String text, User user) throws TweetTooLongException {
 	 * @return
 	 */
 	public List<String> findMentions(User user) {
-		// TODO implement me
-		return null;
+		List<String> usernames = new ArrayList<String>();
+		Feed tempFeed = user.getFeed();
+		List<Tweet> tempTweets = tempFeed.getTweets();
+		for(Tweet tweet:tempTweets){
+			// uncomment below to not count mentions in feed by other authors
+			/*if(!tweet.getAuthor().equals(user.getUsername()))
+				continue;*/
+			String s = tweet.getText();
+			for(int i = 0; i < s.length(); i++){
+				if(s.charAt(i)=='@'){
+					int temp = i;
+					do{
+						i++;
+					}while(s.charAt(i)!=' ' || i == s.length());
+					String mention = s.substring(temp, i);
+					//System.out.println(mention);
+					if(!usernames.contains(mention) && !mention.equals("@" + user.getUsername())) {
+						usernames.add(mention);
+						//System.out.println(usernames.toString());
+					}
+				}
+			}
+		}
+		Collections.sort(usernames);
+		return usernames;
 	}
 
 	/**
@@ -29,9 +101,30 @@ public List<String> findMentions(User user) {
 	 * @return
 	 */
 	public List<Hashtag> findMostPopularHashtags(User user, int howMany) {
-		// TODO implement me
-		return null;
+		List<Hashtag> hashtags = user.getHashtags();
+		List<Hashtag> returnHashtags = new ArrayList<Hashtag>();
+		Hashtag tempHashtag = null;
+		for(int i = 0; i<howMany; i++){
+			if(hashtags.isEmpty())
+				break;
+			tempHashtag = null;
+			for(Hashtag hashtag: hashtags) {
+				if(tempHashtag == null) {
+					tempHashtag = hashtag;
+					continue;
+				}
+				if(tempHashtag.getOccurrences() < hashtag.getOccurrences()) {
+					tempHashtag = hashtag;
+
+				}
+			}
+			returnHashtags.add(tempHashtag);
+			hashtags.remove(tempHashtag);
+		}
+
+		return returnHashtags;
 	}
+
 
 	/**
 	 * This method finds the most recent tweets authored by the user.
@@ -42,8 +135,16 @@ public List<Hashtag> findMostPopularHashtags(User user, int howMany) {
 	 * @return
 	 */
 	public List<Tweet> findMostRecentTweets(User user, int howMany) {
-		// TODO implement me
-		return null;
+		List<Tweet> userTweets = user.getFeed().getTweets();
+		List<Tweet> tweets = new ArrayList<Tweet>();
+
+		for(int i = userTweets.size()-1; i >=0; i--){
+			if(tweets.size()>= howMany)
+				break;
+			if(userTweets.get(i).getAuthor()==user)
+				tweets.add(userTweets.get(i));
+		}
+		return tweets;
 	}
 
 	/**
@@ -54,7 +155,18 @@ public List<Tweet> findMostRecentTweets(User user, int howMany) {
 	 * @return
 	 */
 	public User findMostActiveFollower(User user) {
-		// TODO implement me
-		return null;
+		User mostActive = null;
+		for(User following: users){
+			if(following.isFollowing(user)){
+				if(mostActive == null) {
+					mostActive = following;
+					continue;
+				}
+				if(mostActive.getAuthored() < following.getAuthored())
+					mostActive = following;
+
+			}
+		}
+		return mostActive;
 	}
 }

src/main/java/com/sf/codingcomp/tweet/User.java

@@ -1,9 +1,34 @@
+/*
+ * Copyright (c) 2016 ASU CodeDevils
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated 
+documentation files (the "Software"), to deal in the Software without restriction, including without 
+limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies 
+of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+The above copyright notice and this permission notice shall be included in all copies or substantial 
+portions of the Software.
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT 
+NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, 
+WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE 
+OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
 package com.sf.codingcomp.tweet;
 
+import java.util.ArrayList;
+import java.util.List;
+
 public class User {
 
-	public String username;
-	public Feed feed = new Feed();
+	private String username;
+	private Feed feed = new Feed();
+	private List<User> following = new ArrayList<User>();
+	private List<Hashtag> hashtags = new ArrayList<Hashtag>();
+	private int authored = 0;
+
+	public User(){
+		Tweeter.addUser(this);
+	}
 
 	public String getUsername() {
 		return username;
@@ -20,13 +45,59 @@ public Feed getFeed() {
 	public void setFeed(Feed feed) {
 		this.feed = feed;
 	}
+
+	public int getAuthored() {
+		return this.authored;
+	}
 
 	public void follow(User user) {
-		// TODO implement me
+		following.add(user);
 	}
 
 	public void unfollow(User user) {
-		// TODO implement me
+		following.remove(user);
+	}
+
+	public boolean isFollowing(User user) {
+		for(User follow: following)
+			if(user.equals(follow))
+				return true;
+		return false;
+	}
+
+	public void addTweet(Tweet tweet) {
+		String text = tweet.getText();
+		for(int i = 0; i < text.length(); i++){
+			if(text.charAt(i)=='#'){
+				int temp = i;
+				do{
+					i++;
+				}while(i < text.length() && text.charAt(i)!=' ');
+				String substring = text.substring(temp, i);
+				this.addHashtag(substring);
+			}
+		}
+		if(tweet.getAuthor().equals(this));
+			this.authored++;
+		feed.addTweet(tweet);
+	}
+
+	public void addHashtag(String text) {
+		for(Hashtag hashtag: hashtags) {
+			if(hashtag.getText().equals(text)) {
+				hashtag.setOccurrences(hashtag.getOccurrences()+1);
+				return;
+			}
+		}
+		hashtags.add(new Hashtag(text, 1));
+	}
+
+	public List<Hashtag> getHashtags(){
+		List<Hashtag> newHashtags = new ArrayList<Hashtag>();
+		for(Hashtag hashtag: hashtags){
+			newHashtags.add(hashtag);
+		}
+		return newHashtags;
 	}
 
 	public String toString() {