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using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.IO;
using Mono.Data.SqliteClient;
using System.Drawing;


/// <summary>
/// Adds Comment functionality to LB
/// </summary>

public partial class Comments : System.Web.UI.Page
{
        HtmlTable feedbackTable = new HtmlTable();
    HtmlTable commentTable = new HtmlTable();
    Label nameLabel = new Label();
    Label urlLabel = new Label();
    Label commentLabel = new Label();
    TextBox nameTextBox = new TextBox();
    TextBox urlTextBox = new TextBox();
    TextBox commentTextBox = new TextBox();
    Button postButton = new Button();
    Label feedbackHeaderLabel = new Label();
    Label commentHeaderLabel = new Label();


    protected void Page_Load(object sender, EventArgs e)
    {
        FileInfo cdb = new FileInfo(DbFile(this.Page));
        if (cdb.Exists)
        {
            ShowComments(DbFile(this.Page));
        //}
        //if (!cdb.IsReadOnly)
        //{
            LiteralControl lc = new LiteralControl("<p><br/></p>");
            Form.Controls.Add(lc);
            ShowCommentForm();
        }

    }

    public void CtrlAdd(System.Web.UI.Control o, HtmlTable t)
    {
        HtmlTableCell c = new HtmlTableCell();
        HtmlTableRow r = new HtmlTableRow();
        c.Controls.Add(o);
        r.Cells.Add(c);
        t.Rows.Add(r);
    }

    public void ShowCommentForm()
    {
        nameLabel.Text = "Name";
        nameTextBox.Text = "";
        urlLabel.Text = "Email Address or Website";
        urlTextBox.Text = "";
        commentLabel.Text = "Comment";
        commentTextBox.Text = "";
        postButton.Text = "Post";

        CtrlAdd(nameLabel, feedbackTable);
        CtrlAdd(nameTextBox, feedbackTable);
        CtrlAdd(urlLabel, feedbackTable);
        CtrlAdd(urlTextBox, feedbackTable);
        CtrlAdd(commentLabel, feedbackTable);
        CtrlAdd(commentTextBox, feedbackTable);
        CtrlAdd(postButton, feedbackTable);

        nameTextBox.Width = 400;
        urlTextBox.Width = 400;
        commentTextBox.Width = 400;
        commentTextBox.Height = 200;
        commentTextBox.Rows = 50;
        commentTextBox.TextMode = TextBoxMode.MultiLine;

        postButton.Click += new System.EventHandler(PostClick);

        feedbackHeaderLabel.Text = "Leave A Reply";
        feedbackHeaderLabel.Font.Size = FontUnit.XLarge;
        Form.Controls.Add(feedbackHeaderLabel);

        Form.Controls.Add(feedbackTable);
    }

    protected void PostClick(object sender, EventArgs e)
    {
        AddComment(nameTextBox.Text, urlTextBox.Text, commentTextBox.Text, DbFile(this.Page));
        Form.Controls.Clear();
        Page_Load(sender, e);

    }

    public String DbFile(System.Web.UI.Page p)
    {
        FileInfo f = new FileInfo(p.Request.Path);
        string mantissa = f.Name.Split('.')[0];
        string basedir = AppDomain.CurrentDomain.BaseDirectory;

        return basedir + mantissa + ".db";
    }

    public static void AddComment(string name, string url, string comment, string dbfile)
    {
        IDbConnection dbcon = (IDbConnection)new SqliteConnection("URI=file:" + dbfile);
        dbcon.Open();
        IDbCommand dbcmd = dbcon.CreateCommand();
        DateTime now = DateTime.Now;

        string _name = name.Replace("'", "''");
        string _url = url.Replace("'", "''");
        string _comment = comment.Replace("'", "''");

        string sql = "INSERT INTO comments VALUES('" + _name + "','" + _url + "','" + _comment + "','" +
                        now.ToShortTimeString() + "','" + now.ToLongDateString() + "',null)";

        dbcmd.CommandText = sql;
        dbcmd.ExecuteScalar();
        dbcmd.Dispose();
        dbcon.Close();
        //TODO: Call Method Here to Write to global bloglog.db.
        //      This is so that blog author can easily see stories with new comments.
    }

    public void ShowComments(string dbfile)
    {
        SqliteDataAdapter sda = new SqliteDataAdapter("SELECT * FROM comments", "URI=file:" + dbfile);
        DataSet ds = new DataSet();
        sda.Fill(ds);

        DataTable dt = ds.Tables[0];
        String color;
        bool flip = false;

        foreach (DataRow r in dt.Rows)
        {
            if (flip)
                color = "F5F5F5";
            else
                color = "FFFFFF";

            HtmlTableCell metadata = new HtmlTableCell();
            HtmlTableCell comment = new HtmlTableCell();
            HtmlTableCell spacer = new HtmlTableCell();

            metadata.InnerText = (String)r["name"] + " at " + (String)r["time"] + " on " + (String)r["date"];    

            comment.InnerText = (String)r["comment"];
            spacer.InnerHtml = "<br/>";

            HtmlTableRow top = new HtmlTableRow();
            top.Cells.Add(metadata);
            HtmlTableRow middle = new HtmlTableRow();
            middle.Cells.Add(comment);
            HtmlTableRow bottom = new HtmlTableRow();
            bottom.Cells.Add(spacer);

            HtmlTable acomment = new HtmlTable();
            acomment.Width = "400px";
            acomment.BgColor = color;
            acomment.Rows.Add(top);
            acomment.Rows.Add(middle);
            acomment.Rows.Add(bottom);

            CtrlAdd(acomment,commentTable);

            flip = !flip;
        }

        commentHeaderLabel.Text = "Comments";
        commentHeaderLabel.Font.Size = FontUnit.XLarge;
        Form.Controls.Add(commentHeaderLabel);
        Form.Controls.Add(commentTable);
    }

    public void CreateDatabase(string dbfile)
    {
        IDbConnection dbcon = (IDbConnection)new SqliteConnection("URI=file:" + dbfile);
        dbcon.Open();
        IDbCommand dbcmd = dbcon.CreateCommand();
        string sql = "CREATE TABLE comments(name,url,comment,time,date,cuid INTEGER PRIMARY KEY)";

        dbcmd.CommandText = sql;
        dbcmd.ExecuteScalar();
        dbcmd.Dispose();
        dbcon.Close();

    }

}