odoo-pos-addons/pos_restaurant_table_booking/views/restaurant_booking.xml

<?xml version="1.0" encoding="utf-8"?>
<odoo>

  <record id="restaurant_booking_form" model="ir.ui.view">
    <field name="name">Booking restaurant.booking form</field>
    <field name="model">restaurant.booking</field>
    <field name="arch" type="xml">
      <form>
        <sheet>
          <div class="oe_title">
            <label for="name" class="oe_edit_only"/>
            <h1>
              <field name="name"/>
            </h1>
          </div>
          <group>
            <group>
              <field name="date" class="oe_inline"/>
              <label for="time_start" string="Times"/>
              <div class="o_row">
                <span>from</span>
                <field name="time_start" class="oe_inline" widget="float_time"/>
                <span>to</span>
                <field name="time_stop" class="oe_inline" widget="float_time"/>
              </div>
              <field name="duration" class="oe_inline" widget="float_time"/>
              <field name="datetime_start" invisible="1"/>
              <field name="datetime_stop" invisible="1"/>
            </group>
            <group>
              <field name="count" class="oe_inline"/>
              <field name="available_table_ids" invisible="1"/>
              <field name="table_ids" widget="many2many_tags" options="{'no_create':1}"
                attrs="{'invisible': ['|',('datetime_start','=',False),('datetime_stop','=',False)]}"/>
              <field name="table_capacity" invisible="1"/>
              <field name="table_capacity_ok" invisible="1"/>
              <div colspan="2" class="alert alert-warning" role="alert" attrs="{'invisible':[('table_capacity_ok','=',True)]}">
                <i icon="fa-exclamation-triangle"/>
                <span class="ml8">The total seats of selected tables is lower than the people count.</span>
              </div>
            </group>
          </group>
        </sheet>
      </form>
    </field>
  </record>

  <record id="restaurant_booking_tree" model="ir.ui.view">
    <field name="name">Booking restaurant.booking tree</field>
    <field name="model">restaurant.booking</field>
    <field name="arch" type="xml">
      <tree expand="true">
        <field name="name"/>
        <field name="date"/>
        <field name="time_start" widget="float_time"/>
        <field name="time_stop" widget="float_time"/>
        <field name="duration" widget="float_time"/>
        <field name="count"/>
        <field name="table_ids" widget="many2many_tags"/>
        <field name="available_table_ids" invisible="1"/>
      </tree>
    </field>
  </record>

  <record id="restaurant_booking_search" model="ir.ui.view">
    <field name="name">Booking restaurant.booking search</field>
    <field name="model">restaurant.booking</field>
    <field name="arch" type="xml">
      <search>
        <field name="name"/>
        <field name="date"/>
        <field name="table_ids"/>
        <group expand="0" string="Filters">
          <filter name="today" string="Today" domain="[('date','=',context_today().strftime('%Y-%m-%d'))]"/>
          <filter name="tomorrow" string="Tomorrow" domain="[('date','=',(context_today() + relativedelta(days=1)).strftime('%Y-%m-%d'))]"/>
          <filter name="next_we" string="Next wednesday" domain="[('date','=',(context_today() + relativedelta(weeks=context_today().weekday() &gt;= 3 and 1 or 0, weekday=2)).strftime('%Y-%m-%d'))]"/>
          <filter name="next_sa" string="Next saturday" domain="[('date','=',(context_today() + relativedelta(weeks=context_today().weekday() &gt;= 5 and 1 or 0, weekday=5)).strftime('%Y-%m-%d'))]"/>
          <filter name="next_su" string="Next sunday" domain="[('date','=',(context_today() + relativedelta(weeks=context_today().weekday() &gt;= 6 and 1 or 0, weekday=6)).strftime('%Y-%m-%d'))]"/>
          <separator/>
          <filter name="this_week" string="This week" domain="[('date','&gt;=',(context_today() + relativedelta(weekday=0)).strftime('%Y-%m-%d')),('date','&lt;=',(context_today() + relativedelta(weekday=6)).strftime('%Y-%m-%d'))]"/>
          <filter name="next_week" string="Next week" domain="[('date','&gt;=',(context_today() + relativedelta(weeks=1, weekday=0)).strftime('%Y-%m-%d')),('date','&lt;=',(context_today() + relativedelta(weeks=1, weekday=6)).strftime('%Y-%m-%d'))]"/>
          <separator/>
          <filter name="upcoming" string="Upcoming" domain="[('date','&gt;=',context_today().strftime('%Y-%m-%d'))]"/>
        </group>
        <group expand="0" string="Group By">
          <filter name="by_date" string="Date" domain="[]" context="{'group_by': 'date:day'}"/>
        </group>
      </search>
    </field>
  </record>

  <record id="restaurant_booking_act_window" model="ir.actions.act_window">
    <field name="name">All bookings</field>
    <field name="res_model">restaurant.booking</field>
    <field name="view_mode">tree,form</field>
    <field name="context">{'search_default_upcoming':1, 'search_default_this_week':1, 'search_default_by_date':1}</field>
    <field name="help" type="html">
      <p class="o_view_nocontent_smiling_face">
        Schedule a new booking.
      </p><p>
        To book, you must provide a name, a date, start and stop hours, the people count and one or more tables.
      </p>
    </field>
  </record>

  <record id="create_new_booking_act_window" model="ir.actions.act_window">
    <field name="name">New booking</field>
    <field name="type">ir.actions.act_window</field>
    <field name="res_model">restaurant.booking</field>
    <field name="view_id" ref="restaurant_booking_form"/>
    <field name="target">new</field>
  </record>

  <menuitem
    id="restaurant_booking_root_menu"
    name="Bookings"
    parent="point_of_sale.menu_point_root"
    sequence="5"
    groups="point_of_sale.group_pos_user"/>

  <menuitem
    id="restaurant_new_booking_menu"
    name="New booking"
    parent="restaurant_booking_root_menu"
    action="create_new_booking_act_window"
    sequence="10"
    groups="point_of_sale.group_pos_user"/>

  <menuitem
    id="restaurant_booking_menu"
    name="All bookings"
    parent="restaurant_booking_root_menu"
    action="restaurant_booking_act_window"
    sequence="30"
    groups="point_of_sale.group_pos_user"/>

</odoo>