// ToString override
public override string ToString()
{
User postAuthor = Program.idDictionary[AuthorID] as User;
Subreddit sub = Program.idDictionary[SubHome] as Subreddit;
// Allows for post to be displayed as locked
string lockString = "";
if (Locked == true)
{
lockString = "**LOCKED**";
}
return("<" + ID + "> [" + sub.Name + "] (" + Score + ") " + Title + " " + lockString + " - " + PostContent + " - " +
postAuthor.Name + " |" + TimeStamp + "|");
}
//interfaces
public int CompareTo(object obj)
{
// Checks for null values
if (obj == null)
{
throw new ArgumentNullException();
}
Subreddit rightOp = obj as Subreddit;
// Protect against failed typcasting
if (rightOp != null)
{
return(name.CompareTo(rightOp.name));
}
else
{
throw new ArgumentException("[Subreddit]:CompareTo argument is not a Subreddit");
}
}
// Create post
private void Button1_Click(object sender, EventArgs e)
{
Subreddit sub = subsCombo.SelectedItem as Subreddit;
if (titleText.Text != null || titleText.Text != "")
{
if (postText.Text != null || postText.Text != "")
{
f1.CreatePost(sub, titleText.Text, postText.Text);
MessageBox.Show("Post Created Successfully!");
this.Close();
}
else
{
MessageBox.Show("Invalid Post Contents.");
}
}
else
{
MessageBox.Show("Invalid Post Title.");
}
}
private void subredditsComboBox_SelectedIndexChanged(object sender, EventArgs e)
{
Subreddit curSubreddit = subredditsComboBox.SelectedItem as Subreddit;
Program.displayPosts.Clear();
postPanel.Controls.Clear();
// Displays all posts when "all" or home is selected
if (subredditsComboBox.SelectedIndex == 1 || subredditsComboBox.SelectedIndex == 0) // "all" or home was selected
{
foreach (Subreddit s in Program.subreddits)
{
//numMembersLabel.Text = "";
//numActiveLabel.Text = "";
foreach (Post p in s)
{
DisplayPost dp = new DisplayPost(p, 0);
dp.PostPanel.Location = new Point(0, Program.displayPosts.Count * DisplayPost.TYPE0_HEIGHT);
Program.displayPosts.Add(dp);
postPanel.Controls.Add(dp.PostPanel);
}
}
} // Displays all of the selected subreddits posts
else if (curSubreddit != null)
{
foreach (Post p in curSubreddit)
{
DisplayPost dp = new DisplayPost(p, 0);
dp.PostPanel.Location = new Point(0, Program.displayPosts.Count * DisplayPost.TYPE0_HEIGHT);
Program.displayPosts.Add(dp);
postPanel.Controls.Add(dp.PostPanel);
}
}
}
/***************************************************************
* DeletePost
* Use: Deletes a post from our reddit clone as specified by the user.
* This method iterates through all comments and replies and
* removes all references of the post and its children from the
* parent subreddit and the ID dictionary.
*
* Parameters: Post - the post to be deleted
*
* Returns: nothing
***************************************************************/
public static void DeletePost(Post post)
{
// Remove post from parent sub
Subreddit parentSub = idDictionary[post.SubHome] as Subreddit;
parentSub.removePost(post);
// Remove all references to post, comments and replies
// Remove reference to post in idDictionary
idDictionary.Remove(post.ID);
// Remove references to comments
foreach (Comment comment in post)
{
idDictionary.Remove(comment.ID);
// Remove references to all comments
foreach (Comment reply in comment)
{
idDictionary.Remove(reply.ID);
}
}
}
/***************************************************************
* ReadInputFiles
* Use: Reads through the input files for Users, Subreddits, Posts,
* and comments. For each class it reads in a line from the input file,
* tokenizes the line. Parses the tokens into something that can be used
* to create a new Object for each class and creates them. These Objects are
* then added to their respective SortedSets and the id dictionary.
*
* Parameters: none
*
* Returns: nothing
***************************************************************/
public static void ReadInputFiles()
{
String line;
String[] tokens;
// Reading in the users
using (StreamReader inFile = new StreamReader("..\\..\\..\\users.txt"))
{
line = inFile.ReadLine();
// On the assignment site the format is, "unique ID | usertype | name | hashcode | upVotes | downVotes" but the class attributes are "unique ID, name, postScore, commentScore", not sure why
while (line != null)
{
tokens = line.Split('\t');
User user = new User(Convert.ToUInt32(tokens[0]), Convert.ToInt32(tokens[1]), tokens[2], tokens[3], Convert.ToInt32(tokens[4]), Convert.ToInt32(tokens[5]));
users.Add(user);
idDictionary.Add(user.ID, user);
line = inFile.ReadLine();
}
}
// Reads in the subreddits
using (StreamReader inFile = new StreamReader("..\\..\\..\\subreddits.txt"))
{
line = inFile.ReadLine();
while (line != null)
{
tokens = line.Split('\t');
Subreddit sub = new Subreddit(Convert.ToUInt32(tokens[0]), tokens[1], Convert.ToUInt32(tokens[2]), Convert.ToUInt32(tokens[3]));
subreddits.Add(sub);
idDictionary.Add(sub.ID, sub);
line = inFile.ReadLine();
}
}
// Reads in the posts and creates Post objects, putting them in the Subreddits sorted set of Posts
// 0 locked | 1 unique ID | 2 authorID | 3 title | 4 content | 5 subredditID | 6 upVotes | 7 downVotes | 8 weight | 9 year | 10 month | 11 day | 12 hour | 13 min | 14 sec | 15 silver | 16 gold | 17 plat |
// (uint _ID, uint _SubHome, uint _AuthorID, string _Title, string _PostContent, DateTime _TimeStamp, uint _UpVotes, uint _DownVotes, uint _Weight)
using (StreamReader inFile = new StreamReader("..\\..\\..\\posts.txt"))
{
line = inFile.ReadLine();
while (line != null)
{
tokens = line.Split('\t');
DateTime timeStamp = new DateTime(Convert.ToInt32(tokens[9]), Convert.ToInt32(tokens[10]), Convert.ToInt32(tokens[11]),
Convert.ToInt32(tokens[12]), Convert.ToInt32(tokens[13]), Convert.ToInt32(tokens[14]));
Post post = new Post(Convert.ToInt32(tokens[0]), Convert.ToUInt32(tokens[1]), Convert.ToUInt32(tokens[5]), Convert.ToUInt32(tokens[2]), tokens[3], tokens[4], timeStamp,
Convert.ToUInt32(tokens[6]), Convert.ToUInt32(tokens[7]), Convert.ToUInt32(tokens[8]), Convert.ToUInt32(tokens[15]), Convert.ToUInt32(tokens[16]), Convert.ToUInt32(tokens[17]));
idDictionary.Add(post.ID, post);
Subreddit postSubreddit = idDictionary[post.SubHome] as Subreddit;
postSubreddit.addPost(post);
line = inFile.ReadLine();
}
}
// Reads in comments and creates Comment objects, putting them in the comments SortedSet
using (StreamReader inFile = new StreamReader("..\\..\\..\\comments.txt"))
{
line = inFile.ReadLine();
while (line != null)
{
tokens = line.Split('\t');
uint uniqueID = Convert.ToUInt32(tokens[0]);
uint authorID = Convert.ToUInt32(tokens[1]);
string content = tokens[2];
uint parentID = Convert.ToUInt32(tokens[3]);
uint upVotes = Convert.ToUInt32(tokens[4]);
uint downVotes = Convert.ToUInt32(tokens[5]);
DateTime timeStamp = new DateTime(Convert.ToInt32(tokens[6]), Convert.ToInt32(tokens[7]), Convert.ToInt32(tokens[8]), Convert.ToInt32(tokens[9]),
Convert.ToInt32(tokens[10]), Convert.ToInt32(tokens[11]));
uint silver = Convert.ToUInt32(tokens[12]);
uint gold = Convert.ToUInt32(tokens[13]);
uint platinum = Convert.ToUInt32(tokens[14]);
Comment comment = new Comment(uniqueID, authorID, content, parentID, upVotes, downVotes, timeStamp, silver, gold, platinum);
idDictionary.Add(comment.ID, comment);
if (idDictionary[comment.ParentID] is Post)
{
Post parent = idDictionary[comment.ParentID] as Post;
parent.addComment(comment);
}
else // Parent was a comment
{
Comment parent = idDictionary[comment.ParentID] as Comment;
parent.addComment(comment);
}
line = inFile.ReadLine();
}
}
}
public void CreatePost(Subreddit sub, string title, string content)
{
if (Program.loggedInUserID == -1)
{
MessageBox.Show("Must be logged in to create a post.");
return;
}
try // Check for foul language
{
Program.CheckFoulLanguage(content);
Program.CheckFoulLanguage(title);
}
catch (Program.FoulLanguageException except) // Caught foul language
{
MessageBox.Show("Caught a FoulLanguageException: " + except);
return;
}
DateTime timestamp = DateTime.Now;
Post newPost = new Post(0, Program.GenerateID(), sub.ID, (uint)Program.loggedInUserID, title, content, timestamp, 0, 0, 0, 0, 0, 0);
Program.idDictionary.Add(newPost.ID, newPost);
Subreddit postSubreddit = Program.idDictionary[newPost.SubHome] as Subreddit;
postSubreddit.addPost(newPost);
//append to file new comment
using (System.IO.StreamWriter file =
new System.IO.StreamWriter(@"..\\..\\..\\posts.txt", true))
{
file.WriteLine(
"0" + "\t" +
newPost.ID + "\t" +
Program.loggedInUserID + "\t" +
newPost.Title + "\t" +
newPost.PostContent + "\t" +
newPost.SubHome + "\t" +
newPost.UpVotes + "\t" +
newPost.DownVotes + "\t" +
newPost.Weight + "\t" +
newPost.TimeStamp.Year + "\t" +
newPost.TimeStamp.Month + "\t" +
newPost.TimeStamp.Day + "\t" +
newPost.TimeStamp.Hour + "\t" +
newPost.TimeStamp.Minute + "\t" +
newPost.TimeStamp.Second + "\t" +
newPost.Silver + "\t" +
newPost.Gold + "\t" +
newPost.Platinum);
}
//refresh posts
Program.displayPosts.Clear();
postPanel.Controls.Clear();
subredditsComboBox.SelectedIndex = 0;
foreach (Subreddit s in Program.subreddits)
{
foreach (Post p in s)
{
DisplayPost dp = new DisplayPost(p, 0);
dp.PostPanel.Location = new Point(0, Program.displayPosts.Count * DisplayPost.TYPE0_HEIGHT);
Program.displayPosts.Add(dp);
postPanel.Controls.Add(dp.PostPanel);
}
}
}