old_contents: # -*- coding: utf-8 -*-
  
  from flask import (Blueprint, render_template, request,
                     flash, url_for, redirect, session)
  from flask.ext.mail import Message
  
  from ..extensions import db, mail
  from .forms import MakeAppointmentForm
  from .models import Appointment
  
  
  appointment = Blueprint('appointment', __name__, url_prefix='/appointment')
  
  
  @appointment.route('/create', methods=['GET', 'POST'])
  def create():
      form = MakeAppointmentForm(formdata=request.args,
                                 next=request.args.get('next'))
  
      # Dump all available data from request or session object to form fields.
      for key in form.data.keys():
          setattr(getattr(form, key), 'data',
                  request.args.get(key) or session.get(key))
  
      if form.validate_on_submit():
          appointment = Appointment()
          form.populate_obj(appointment)
  
          db.session.add(appointment)
          db.session.commit()
  
          flash_message = """
          Congratulations! You've just made an appointment
          on WPIC Web Calendar system, please check your email for details.
          """
          flash(flash_message)
  
          return redirect(url_for('appointment.create'))
  
      return render_template('appointment/create.html', form=form)
  
new_contents: # -*- coding: utf-8 -*-
  
  from datetime import datetime
  
  from flask import (Blueprint, render_template, request, abort,
                     flash, url_for, redirect, session)
  from flask.ext.mail import Message
  
  from ..extensions import db, mail
  from .forms import MakeAppointmentForm
  from .models import Appointment
  
  
  appointment = Blueprint('appointment', __name__, url_prefix='/appointment')
  
  
  @appointment.route('/create', methods=['GET', 'POST'])
  def create():
      if request.method == 'POST':
          form = MakeAppointmentForm(next=request.args.get('next'))
  
          if form.validate_on_submit():
              appointment = Appointment()
              form.populate_obj(appointment)
  
              db.session.add(appointment)
              db.session.commit()
  
              flash_message = """
              Congratulations! You've just made an appointment
              on WPIC Web Calendar system, please check your email for details.
              """
              flash(flash_message)
  
              return redirect(url_for('appointment.create'))
  
      elif request.method == 'GET':
          form = MakeAppointmentForm(formdata=request.args,
                                     next=request.args.get('next'))
          # Dump all available data from request or session object to form
          # fields.
          for key in form.data.keys():
              if key == "date":
                  setattr(getattr(form, key), 'data',
                          datetime.strptime(request.args.get(key) or
                                            session.get(key) or
                                            datetime.today().strftime('%Y-%m-%d'),
                                            "%Y-%m-%d"))
              else:
                  setattr(getattr(form, key), 'data',
                          request.args.get(key) or session.get(key))
  
          return render_template('appointment/create.html', form=form)
  
      else:
          abort(405)
  
subject: Fix some error about session.