app/controllers/friendships_controller.rb
class FriendshipsController < ApplicationController
before_action :set_friendship, only: [:show, :edit, :update, :destroy]
# GET /friendships
# GET /friendships.json
def index
@friendships = Friendship.all
end
def add_new_friend
friend = User.find_by(name: params[:friend_name])
if not friend
flash[:danger] = 'We can\'t find your friend in our system.'
elsif current_user?(friend)
flash[:danger] = 'Can\'t add yourself as friend :('
elsif Friendship.friends?(current_user, friend)
flash[:danger] = 'You have already added this friend.'
else
flash[:success] = 'You have added a new friend.'
@friendship = Friendship.create(user_id: current_user.id, user_name: current_user.name,
friend_id: friend.id, friend_name: friend.name)
end
redirect_to current_user
end
# GET /friendships/1
# GET /friendships/1.json
def show
end
# GET /friendships/new
def new
@friendship = Friendship.new
end
# GET /friendships/1/edit
def edit
end
# POST /friendships
# POST /friendships.json
def create
@friendship = Friendship.new(friendship_params)
respond_to do |format|
if @friendship.save
format.html { redirect_to @friendship, notice: 'Friendship was successfully created.' }
format.json { render :show, status: :created, location: @friendship }
else
format.html { render :new }
format.json { render json: @friendship.errors, status: :unprocessable_entity }
end
end
end
# PATCH/PUT /friendships/1
# PATCH/PUT /friendships/1.json
def update
respond_to do |format|
if @friendship.update(friendship_params)
format.html { redirect_to @friendship, notice: 'Friendship was successfully updated.' }
format.json { render :show, status: :ok, location: @friendship }
else
format.html { render :edit }
format.json { render json: @friendship.errors, status: :unprocessable_entity }
end
end
end
# DELETE /friendships/1
# DELETE /friendships/1.json
def destroy
@friendship.destroy
respond_to do |format|
format.html { redirect_to :back, notice: 'Friendship was successfully destroyed.' }
format.json { head :no_content }
end
end
private
# Use callbacks to share common setup or constraints between actions.
def set_friendship
@friendship = Friendship.find(params[:id])
end
# Never trust parameters from the scary internet, only allow the white list through.
def friendship_params
params.require(:friendship).permit(:user_id, :user_name, :friend_id, :friend_name)
end
end