Initial commit

Proyecto/ver_post.aspx.cs

@@ -0,0 +1,185 @@
+using DAL;
+using HeyRed.MarkdownSharp;
+using System;
+using System.Collections.Generic;
+using System.Data.Entity;
+using System.Linq;
+using System.Web;
+using System.Web.UI;
+using System.Web.UI.WebControls;
+
+public partial class ver_post : System.Web.UI.Page
+{
+    public int post_id;
+    public int user_id;
+
+    protected void Page_Load(object sender, EventArgs e)
+    {
+        post_id = Convert.ToInt32(Request.QueryString["id"]);
+        user_id = Convert.ToInt32(Session["user_id"]);
+
+        if (Page.IsPostBack) return;
+
+        Entities entities = new Entities();
+        var post = entities.Posts.FirstOrDefault(p => p.id == post_id);
+
+        if (post == null)
+        {
+            Response.Redirect("/index.aspx");
+            return;
+        }
+
+        var user = entities.Users.FirstOrDefault(u => u.id == user_id);
+
+    
+        if(user == null)
+        {
+            comment_div.Visible = false;
+        }
+        else if (post.user_id != user.id)
+        {
+            editar_button.Visible = false;
+            delete_button.Visible = false;
+        }
+
+        upvotes_button.Text = "+ " + post.votos.Count(v => v.positivo);
+        downvotes_button.Text = "- " + post.votos.Count(v => !v.positivo);
+
+        title_literal.Text = post.title;
+        author_literal.Text = post.user.username;
+        html_literal.Text = post.html;
+
+        comment_repeater.DataSource = post.comentarios;
+        comment_repeater.DataBind();
+    }
+
+    protected void OnComentarClick(object sender, EventArgs e)
+    {
+        if (!Page.IsValid) return;
+        if (post_id == 0) return;
+        if (user_id == 0) return;
+
+        Entities entities = new Entities();
+        Markdown markdown = new Markdown();
+
+        var comment = new Comentario();
+        comment.html = markdown.Transform(comment_box.Text);
+        comment.post_id = post_id;
+        comment.user_id = user_id;
+
+        entities.Comentarios.Add(comment);
+        entities.SaveChanges();
+
+        comment_box.Text = "";
+
+        comment_repeater.DataSource = entities.Comentarios.Where(c => c.post_id == post_id).ToList();
+        comment_repeater.DataBind();
+    }
+
+    
+    protected void OnEditarClick(object sender, EventArgs e)
+    {
+        Response.Redirect("/editar_post.aspx?id=" + post_id);
+    }
+
+    protected void OnDeleteClick(object sender, EventArgs e)
+    {
+        if (post_id == 0) return;
+        if (user_id == 0) return;
+
+        Entities entities = new Entities();
+
+        var post = entities.Posts.First(p => p.id == post_id);
+        if (post.user.id != user_id) return;
+
+        foreach (var voto in post.votos.ToList())
+        {
+            entities.Votos.Remove(voto);
+        }
+
+        foreach (var comment in post.comentarios.ToList())
+        {
+            entities.Comentarios.Remove(comment);
+        }
+
+        entities.Posts.Remove(post);
+        entities.SaveChanges();
+
+        Response.Redirect("/index.aspx");
+    }
+
+    protected void OnDeleteCommentClick(object sender, EventArgs e)
+    {
+        var button_message = ((Button)sender).CommandArgument.Split('-');
+
+        var user_id = Convert.ToInt32(Session["user_id"]);
+
+        if (Convert.ToInt32(button_message[1]) != user_id) return;
+
+        Entities entities = new Entities();
+
+        var comment_id = Convert.ToInt32(button_message[0]);
+        var comment = entities.Comentarios.FirstOrDefault(c => c.id == comment_id);
+
+        entities.Comentarios.Remove(comment);
+        entities.SaveChanges();
+    }
+
+    protected void OnUpvoteClick(object sender, EventArgs e)
+    {
+        if (post_id == 0) return;
+        if (user_id == 0) return;
+
+        Entities entities = new Entities();
+
+        var voto = entities.Votos.FirstOrDefault(v => v.post_id == post_id && v.user_id == user_id);
+
+        if (voto == null)
+        {
+            var upvote = new Voto();
+            upvote.positivo = true;
+            upvote.post_id = post_id;
+            upvote.user_id = user_id;
+
+            entities.Votos.Add(upvote);
+            entities.SaveChanges();
+        }
+        else if (!voto.positivo)
+        {
+            voto.positivo = true;
+            entities.SaveChanges();
+        }
+
+        upvotes_button.Text = "+ " + entities.Votos.Count(v => v.post_id == post_id && v.positivo);
+        downvotes_button.Text = "- " +  entities.Votos.Count(v => v.post_id == post_id && !v.positivo);
+    }
+
+    protected void OnDownvoteClick(object sender, EventArgs e)
+    {
+        if (post_id == 0) return;
+        if (user_id == 0) return;
+
+        Entities entities = new Entities();
+
+        var voto = entities.Votos.FirstOrDefault(v => v.post_id == post_id && v.user_id == user_id);
+
+        if (voto == null)
+        {
+            var downvote = new Voto();
+            downvote.positivo = false;
+            downvote.post_id = post_id;
+            downvote.user_id = user_id;
+
+            entities.Votos.Add(downvote);
+            entities.SaveChanges();
+        }
+        else if (voto.positivo)
+        {
+            voto.positivo = false;
+            entities.SaveChanges();
+        }
+
+        upvotes_button.Text = "+ " + entities.Votos.Count(v => v.post_id == post_id && v.positivo);
+        downvotes_button.Text = "- " + entities.Votos.Count(v => v.post_id == post_id && !v.positivo);
+    }
+}