Added messaging feature

app/controllers/messages_controller.rb

@@ -0,0 +1,74 @@
+class MessagesController < ApplicationController
+
+  before_filter :check_permission, only: [:destroy]
+
+  def index
+    if !current_user
+      flash[:alert] = "Please log in to see your private messages."
+      redirect_to blogposts_path
+    end
+    @messages = Message.where(user_target: current_user).page(params[:page])
+  end
+
+  def destroy
+    if @message.user_target.is?(current_user)
+      if @message.destroy
+        flash[:notice] = "Message deleted!"
+      else
+        flash[:alert] = "There was a problem while deleting this message"
+      end
+    else
+      flash[:alert] = "You are not allowed to delete this message"
+    end
+    redirect_to messages_path
+  end
+
+  def create
+    if !message_params[:user_target_id]
+      flash[:alert] = "Please enter a valid IGN before sending."
+      redirect_to new_message_path
+      return
+    end
+    if message_params[:text] == ""
+      flash[:alert] = "Please write a message before sending."
+      redirect_to new_message_path
+      return
+    end
+    @message = Message.new(message_params)
+    if @message.save
+      flash[:notice] = "Message sent!"
+      redirect_to messages_path
+      return
+    else
+      flash[:alert] = "Something went wrong while creating your message."
+      render action: "new"
+      return
+    end
+  end
+
+  def new
+    if !current_user
+      flash[:alert] = "Please log in to send a private message."
+      redirect_to blogposts_path
+      return
+    end
+    @message = Message.new
+  end
+
+  def message_params(add = [])
+    params[:message][:user_target_id] = User.find_by(ign: params[:message][:user_target].gsub(/[@ ]/,"")).try(:id)
+    params[:message][:user_sender_id] = User.find_by(ign: params[:message][:user_sender]).id
+
+    params.require(:message).permit([:text, :user_target_id, :user_sender_id])
+  end
+
+  private
+
+  def check_permission
+    @message = Message.find(params[:id])
+    unless @message.user_target == current_user
+      flash[:alert] = "You are not allowed to view this message"
+      redirect_to home_statics_path
+    end
+  end
+end