tasks_controller.rb

class TasksController < ApplicationController
	
	#GET /tasks or using tasks_path
	def index
		@tasks = Task.all
	end
	
	#GET /tasks/new  or using new_tasks_path
	#this is where our new task form will live
	def new
		@task = Task.new
	end
	
	#POST /tasks or using tasks_path
	#once the new task has been submitted using POST, the create action takes over. 
	def create
		#we create a new Task object and pass it paramaters defined at the bottom of the page (see below for description)
		@task = Task.new(task_params)
	
		if @task.save
			#if newly created task is saved successfuly redirect back to the tasks list page and notify the user.
			redirect_to tasks_path, notice "#{@task.title} was created!"
		else
			#if the newly created task doesn't save render the new task form again. 
			render :new
		end
	end
	
	#DELETE /tasks/:id or using task_path(task-to-delete)
	def destroy
		#find the task that has the ID 
		@task = Task.find(params[:id])
		@task.destroy
		#after the task is destroyed return back to the tasks list page.
		redirect_to tasks_path
	end
	
	protected
	# This protected code block is called strong params. Essentially it limits what parameters can be passed to the database. Double check your spelling!
	def task_params
		params.require(:task).permit(:title, :description)
	end
	
end