cleaned up, added threadreplies, added info

app/controllers/threadreplies_controller.rb

@@ -1,3 +1,65 @@
 class ThreadrepliesController < ApplicationController
 
+  def edit
+    @reply = Threadreply.find(params[:id])
+    if mod? || @reply.author.is?(current_user)
+    else
+      flash[:alert] = "You are not allowed to edit this reply"
+      redirect_to @reply.thread
+    end
+  end
+
+  def create
+    thread = Forumthread.find(params[:forumthread_id])
+    if thread.can_write?(current_user)
+      @reply = Threadreply.new(reply_params)
+      @reply.user_author = current_user
+      @reply.forumthread = thread
+      if @reply.save
+        redirect_to forumthread_path(@reply.thread) + "#reply-#{@reply.id}", notice: 'Reply created!'
+      else
+        flash[:alert] = "Could not create reply."
+        redirect_to Blogpost.find(params[:forumthread_id])
+      end
+    else
+      flash[:alert] = "You are not allowed to create replies."
+      redirect_to Blogpost.find(params[:forumthread_id])
+    end
+  end
+
+  def update
+    @reply = Threadreply.find(params[:id])
+    if mod? || @reply.author.is?(current_user)
+      if @reply.update_attributes(reply_params)
+        flash[:notice] = "Reply updated!"
+        redirect_to forumthread_path(@reply.thread) + "#reply-#{@reply.id}"
+      else
+        flash[:alert] = "There was a problem while updating your reply"
+        render action: "edit"
+      end
+    else
+      flash[:alert] = "You are not allowed to edit this reply"
+      redirect_to @reply.thread
+    end
+  end
+
+  def destroy
+    @reply = Threadreply.find(params[:id])
+    if mod? || @reply.author.is?(current_user)
+      if @reply.destroy
+        flash[:notice] = "Reply deleted!"
+      else
+        flash[:alert] = "There was a problem while deleting this reply"
+      end
+    else
+      flash[:alert] = "You are not allowed to delete this reply"
+    end
+    redirect_to @reply.thread
+  end
+
+  private
+
+  def reply_params
+    params.require(:threadreply).permit(:content)
+  end
 end