add country,phon fields in odoo

In this step we will continue with 'clinic.patient' object and

• add country field
• add phone field with validation function
• edit tree view 

To add phone number and country fields we have to go to 'clinic.patient' object and add them with validation function as bellow

country_id = fields.Many2one('res.country', string="Country")
phone = fields.Char(string="Phone")
    @api.constrains('phone')
    def phone_validation(self):
        """
        function to validate phone data for patient
        """
        phone_prefix = [1,9]
        phone_type = [0,1,2,6,9]
        check_value = 0

        if self.phone and self.country_id:
            if self.country_id.code == 'SD':
                phone = self.phone
                if len(phone) != 9:
                    raise ValidationError(_("Wrong phone number , it length is not true"))
                if len(phone) == 9:
                    for index in range(0,len(phone_prefix)):
                        if phone[0] == str(phone_prefix[index]):
                            check_value = 1
                    if check_value == 0:
                        raise ValidationError(_("Wrong phone number , it start with wrong key number"))
                    check_value = 0
                    for index in range(0,len(phone_type)):
                        if phone[1] == str(phone_type[index]):
                            check_value = 1
                    if check_value == 0:
                        raise ValidationError(_("Wrong phone number , it not of real phone number"))
                    check_value = 0
                    for index in range(0,len(phone)):
                        check_value = 0
                        for number in range(0,10):
                            if phone[index] == str(number):
                                check_value = 1
                        if check_value == 0:
                            raise ValidationError(_("Wrong phone number , it must not contain charactors"))

Then we have to add it to the view in 'clinic_patient_view.xml' file inside the first group to be as

<group colspan="4" col="4">
        <field name="gender"/>
        <field name="birth_day"/>
        <field name="country_id" />
        <field name="phone"/>
        <field name="met_doctor"/>
        <field name="last_meeting" attrs="{'invisible': [('met_doctor','=',False)],'required':[('met_doctor','=',True)]}"/>
</group>

 Then we will edit the tree view to show the important fields for the patient (name, phone, gender, age'years') so it will be as ...

<record id="clinic_patient_tree_view" model="ir.ui.view">
        <field name="name">clinic.patient.tree</field>
        <field name="model">clinic.patient</field>
        <field name="arch" type="xml">
                <tree string="Patients">
                       <field name="name"/>
                       <field name="gender"/>
                       <field name="phone"/>
                       <field name="age_year"/>
                </tree>
       </field>
</record>
 
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