CybroAddons/open_academy/views/open_academy_session_views.xml

<?xml version="1.0" encoding="utf-8"?>
<odoo>
    <!--<tree string="Session Tree">-->
    <record id="openacademy_session_view_tree" model="ir.ui.view">
        <field name="name">openacademy.session.view.tree</field>
        <field name="model">openacademy.session</field>
        <field name="arch" type="xml">
            <tree string="Session Tree" decoration-bf="duration&lt;5"
                  decoration-it="duration&gt;15">
                <field name="name"/>
                <field name="course_id"/>
                <field name="duration" invisible="1"/>
                <field name="taken_seats" widget="progressbar"/>
            </tree>
        </field>
    </record>

    <!-- session form view of session -->
    <record id="openacademy_session_view_form" model="ir.ui.view">
        <field name="name">openacademy.session.view.form</field>
        <field name="model">openacademy.session</field>
        <field name="arch" type="xml">
            <form string="Session Form">
                <sheet>
                    <group>
                        <group string="General">
                            <field name="course_id"/>
                            <field name="name"/>
                            <field name="instructor_id"/>
                            <field name="active"/>
                        </group>
                        <group string="Schedule">
                            <field name="start_date"/>
                            <field name="duration"/>
                            <field name="seats"/>
                            <field name="taken_seats" widget="progressbar"/>
                        </group>
                    </group>
                    <label for="attendee_ids"/>
                    <field name="attendee_ids" widget="many2many_tags"/>
                </sheet>
            </form>
        </field>
    </record>

    <!-- calendar view  of session-->
    <record id="openacademy_session_view_calendar" model="ir.ui.view">
        <field name="name">openacdemy.session.view.calendar</field>
        <field name="model">openacademy.session</field>
        <field name="arch" type="xml">
            <calendar string="Session Calendar" date_start="start_date"
                      date_stop="end_date" color="instructor_id"
                      scales="day,week,month" mode="month">
                <field name="name"/>
            </calendar>
        </field>
    </record>

    <!-- gantt view  of session-->
    <record id="openacademy_session_view_gantt" model="ir.ui.view">
        <field name="name">openacademy.session.view.gantt</field>
        <field name="model">openacademy.session</field>
        <field name="arch" type="xml">
            <gantt string="Session Gantt"
                   date_start="start_date" date_stop="end_date"
                   color="instructor_id" create="false" edit="false"
                   plan="false" offset="1" progress="taken_seats"
                   default_group_by='instructor_id'>
            </gantt>
        </field>
    </record>

    <!-- graph view of session -->
    <record id="openacademy_session_view_graph" model="ir.ui.view">
        <field name="name">openacademy.session.view.graph</field>
        <field name="model">openacademy.session</field>
        <field name="arch" type="xml">
            <graph string="Participations by Courses">
                <field name="course_id"/>
                <field name="attendees_count" type="measure"/>
            </graph>
        </field>
    </record>

    <!-- kanban view of session -->
    <record id="view_openacademy_session_view_kanban" model="ir.ui.view">
        <field name="name">openacademy.session.view.kanban</field>
        <field name="model">openacademy.session</field>
        <field name="arch" type="xml">
            <kanban default_group_by="course_id">
                <field name="color"/>
                <templates>
                    <t t-name="kanban-box">
                        <div t-attf-class="oe_kanban_color_{{kanban_getcolor(record.color.raw_value)}}
                                  oe_kanban_global_click_edit oe_semantic_html_override
                                  oe_kanban_card {{record.group_fancy==1 ? 'oe_kanban_card_fancy' : ''}}">
                            <div class="oe_dropdown_kanban">
                                <!-- dropdown menu -->
                                <div class="oe_dropdown_toggle">
                                    <i class="fa fa-bars fa-lg" title="Manage"
                                       aria-label="Manage"/>
                                    <ul class="oe_dropdown_menu">
                                        <li>
                                            <a type="delete">Delete</a>
                                        </li>
                                        <li>
                                            <ul class="oe_kanban_colorpicker"
                                                data-field="color"/>
                                        </li>
                                    </ul>
                                </div>
                                <div class="oe_clear"></div>
                            </div>
                            <div t-attf-class="oe_kanban_content">
                                <!-- title -->
                                Session name:
                                <field name="name"/>
                                <br/>
                                Start date:
                                <field name="start_date"/>
                                <br/>
                                duration:
                                <field name="duration"/>
                            </div>
                        </div>
                    </t>
                </templates>
            </kanban>
        </field>
    </record>

    <!--Defines an action to open a window displaying a list of sessions for the Open Academy application.-->
    <record id="openacademy_session_list_action" model="ir.actions.act_window">
        <field name="name">Sessions</field>
        <field name="res_model">openacademy.session</field>
        <field name="view_mode">tree,form,calendar,gantt,graph,kanban</field>
    </record>

    <!--   This XML record defines an action that opens a graph view of the attendees by course for a session in the Open Academy module. -->
    <record id="action_openacademy_session_view_graph"
            model="ir.actions.act_window">
        <field name="name">Attendees by course</field>
        <field name="res_model">openacademy.session</field>
        <field name="view_mode">graph</field>
        <field name="view_id"
               ref="open_academy.openacademy_session_view_graph"/>
    </record>

    <!--    This XML record defines an action that opens a calendar view of the sessions in the Open Academy module.-->
    <record id="action_openacademy_session_view_calendar"
            model="ir.actions.act_window">
        <field name="name">Sessions</field>
        <field name="res_model">openacademy.session</field>
        <field name="view_mode">calendar</field>
        <field name="view_id"
               ref="open_academy.openacademy_session_view_calendar"/>
    </record>

</odoo>