likes_controller.rb

class LikesController < ApplicationController
  before_action :set_like, only: %i[ show edit update destroy ]

  before_action :is_authorized, only: [:destroy, :create]

  after_action :verify_authorized, except: [:home]
  def is_authorized
    if !@like.owner.private? || current_user.leaders.include?(@like.owner)|| @like.owner ==current_user 
      redirect_back(fallback_location: root_url, alert: "not authorized")
  end


  # GET /likes or /likes.json
  def index
    @likes = Like.all
  end

  # GET /likes/1 or /likes/1.json
  def show
  end

  # GET /likes/new
  def new
    @like = Like.new
  end

  # GET /likes/1/edit
  def edit
  end

  # POST /likes or /likes.json
  def create
    @like = Like.new(like_params)

    respond_to do |format|
      if @like.save
        format.html { redirect_to @like, notice: "Like was successfully created." }
        format.json { render :show, status: :created, location: @like }
      else
        format.html { render :new, status: :unprocessable_entity }
        format.json { render json: @like.errors, status: :unprocessable_entity }
      end
    end
  end

  # PATCH/PUT /likes/1 or /likes/1.json
  def update
    respond_to do |format|
      if @like.update(like_params)
        format.html { redirect_to @like, notice: "Like was successfully updated." }
        format.json { render :show, status: :ok, location: @like }
      else
        format.html { render :edit, status: :unprocessable_entity }
        format.json { render json: @like.errors, status: :unprocessable_entity }
      end
    end
  end

  # DELETE /likes/1 or /likes/1.json
  def destroy
    @like.destroy
    respond_to do |format|
      format.html { redirect_to likes_url, notice: "Like was successfully destroyed." }
      format.json { head :no_content }
    end
  end

  private
    # Use callbacks to share common setup or constraints between actions.
    def set_like
      @like = Like.find(params[:id])
    end

    # Only allow a list of trusted parameters through.
    def like_params
      params.require(:like).permit(:fan_id, :photo_id)
    end
end