api for cashier app

app/controllers/api/shifts_controller.rb

@@ -0,0 +1,57 @@
+class Api::ShiftsController <  Api::ApiController
+   	# skip_before_action  :authenticate
+
+  
+  	def create
+      	opening_balance = 0
+	    cashier_terminal_param = params[:cashier_terminal]
+
+	    # Multiple Cashier
+	    cashier_terminal = CashierTerminal.find(cashier_terminal_param)
+	    if cashier_terminal.is_currently_login
+	      	render json: JSON.generate({:status => false, :error_message => "Cashier Terminal already signin!"})
+	    else
+		    # Update Cashier Terminal
+		    cashier_terminal.is_currently_login = 1
+		    cashier_terminal.save
+
+		    @shift_sale = ShiftSale.new
+		    if @shift_sale.create(opening_balance,cashier_terminal_param, current_login_employee)
+		    	render json: JSON.generate({:status => true, :message => "Cashier Terminal successfully signin.", :shift => @shift_sale.to_json})
+		    else
+		    	render json: JSON.generate({:status => false, :error_message => "Some error occurred!"})
+		    end
+		end
+  	end
+
+  	def update
+		closing_balance = 0
+		shift_id = params[:shift_id]
+
+		@shift = ShiftSale.find_by_id(shift_id)
+		if !@shift.nil?
+			if @shift.shift_closed_at.nil?
+				@shift.shift_closed_at = DateTime.now.utc
+				@shift.closing_balance = closing_balance.to_f     
+				@shift.save
+
+				# Multiple Cashier
+				cashier_terminal = @shift.cashier_terminal      
+				cashier_terminal.is_currently_login = 0
+				cashier_terminal.save
+
+				logout_status = Employee.logout(params[:session_token])
+				if logout_status
+			     	render json: JSON.generate({:status => true, :message => "Shift successfully close."})
+			    else
+			     	render json: JSON.generate({:status => false, :error_message => "Session Token Invalid or Missing"})
+			    end
+			else
+				render json: JSON.generate({:status => false, :error_message => "Shift already close!"})
+		    end
+		else
+			render json: JSON.generate({:status => false, :error_message => "Wrong shift!"})
+		end
+	end
+end
+