{

// Declares a static int that is used to define how many blog entries to show

private static int numberOfBlogsToShow = 0;

protected void Page_Load(object sender, EventArgs e)

{

// when the page loads, we check if it isnt a postback (which is first time load)

if (!IsPostBack)

{

//Just reset numberOfBlogsToShow to zero just incase

numberOfBlogsToShow = 0;

// show the next five blog entries

getNextFiveBlogsFromList();

}

}

protected void newBlogTextBox_TextChanged(object sender, EventArgs e)

{

// When the new blog text box has changed, we need to update the characters left label which is what the function below calculates

this.changeCharacterLeftLabel();

}

protected void sendBlogBtn_Click(object sender, EventArgs e)

{

// When the new blog text box has changed, we need to update the characters left label which is what the function below calculates

this.changeCharacterLeftLabel();

// Declares an int that calcualuates how many characters are left

int charsLeft = newBlogTextBox.MaxLength - newBlogTextBox.Text.Length;

// checks if charsLeft is within the character limit

if (charsLeft >= 0)

{

// if it is, we write the blog to the user entry file

// Declares a BlogReaderWriter object that allows to save to the user entry file

BlogReaderWriter blogWriter = new BlogReaderWriter(Path.GetFullPath(Server.MapPath("~\\files\\FarmersUserEntry.txt")));

// Declares a int32 variable that gets and stores the current unix time

Int32 unixTimestamp = (Int32)(DateTime.UtcNow.Subtract(new DateTime(1970, 1, 1))).TotalSeconds;

// Writes the new blog entry information to the new user entry file

blogWriter.writeBlogToEntryFile("Farmers", (String)Session["loginID"], unixTimestamp.ToString(), newBlogTextBox.Text);

// redirects the users to a success page to confirm that there blog entry is awaiting moderation

Response.Redirect("Post_Success.aspx");

}

}

private void changeCharacterLeftLabel()

{

// sets the charLeftLabel's text colour to black as a precautionary measure

charLeftLabel.ForeColor = Color.Black;

// declares an int that calculates the characters left from the text box and text box's character limit

int charsLeft = newBlogTextBox.MaxLength - newBlogTextBox.Text.Length;

// Sets the charLeftLabel to the int above (with other string components)

charLeftLabel.Text = "Characters Left: " + charsLeft.ToString();

// checks if the characters left value is above or equal to zero

if (charsLeft >= 0)

{

// if the above is true, then the blog entry experience string is a valid, therefore

// we change the text colour to green to signify that the input is an acceptable length

charLeftLabel.ForeColor = Color.ForestGreen;

}

else

{

// if the above is false, then the blog entry experience string is a invalid, therefore

// we change the text colour to red to signify that the input is an unacceptable length

charLeftLabel.ForeColor = Color.Red;

}

}

protected void showNextFiveBlogsBtn_Click(object sender, EventArgs e)

{

// if the showNextFiveBlogsBtn button is clicked, the users wants to view more blog entries

// therefore we execute the method below which will load the next 5 entries

this.getNextFiveBlogsFromList();

}

private void getNextFiveBlogsFromList()

{

//create a BlogReaderWriter object that is used to read the store's entry file

BlogReaderWriter blogReader = new BlogReaderWriter(Path.GetFullPath(Server.MapPath("~\\files\\FarmersUserEntry.txt")));

//create a an arraylist object that holds the the blog entries is a formatted string

ArrayList blogListData = blogReader.getBlogListInformation();

// clears the blogListTable

blogListTable.Rows.Clear();

// add 5 to numberOfBlogsToShow (so it will show the next 5 blogs)

numberOfBlogsToShow += 5;

// check if the above actually goes over the length of the blog entries

if (numberOfBlogsToShow > blogListData.Count)

{

// if it does, set it to the maximum possible number (which will be the number of elements in the arraylist)

numberOfBlogsToShow = blogListData.Count;

}

// Declares a temporary int counter that is used for the loop (that initalised with numberOfBlogsToShow)

// This declares how many blogs will be shown

int numberOfBlogsToShowCounter = numberOfBlogsToShow;

// loop until numberOfBlogsToShowCounter is zero

while (numberOfBlogsToShowCounter > 0)

{

// create a new table row

TableRow tr = new TableRow();

// create a new table cell

TableCell tc = new TableCell();

// set the cell's text to the arraylist's first element

tc.Text = (String)blogListData[0];

// remove the arraylist's first element as its no longer needed

blogListData.RemoveAt(0);

// Add the cell to the table row

tr.Cells.Add(tc);

// add the table row to the table

blogListTable.Rows.Add(tr);

// decrease the counter by one

numberOfBlogsToShowCounter--;

}

}

protected void addBlogBtn_Click(object sender, EventArgs e)

{

// checks if the user is logged in

// checks if the "isLoggedIn" session key exists

if (Session["isLoggedIn"] != null)

{

// checks if the user is logged in

if ((bool)Session["isLoggedIn"])

{

// if the user is, then set the add blog section of the site to be visible so they add a blog entry

addBlogSection.Visible = true;

}

else

{

// if they are not logged in, redirect them to the login screen so they can post blog entries

Response.Redirect("Login.aspx");

}

}

else

{

// if the key doesn't exist, they are not logged in, redirect them to the login screen so they can post blog entries

Response.Redirect("Login.aspx");

}

}

}