Orbeon Forms - Workflow - Employer and employee filling different section

form.xml

<xh:html xmlns:xh="http://www.w3.org/1999/xhtml" xmlns:xf="http://www.w3.org/2002/xforms"
         xmlns:xs="http://www.w3.org/2001/XMLSchema"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xmlns:ev="http://www.w3.org/2001/xml-events"
         xmlns:xi="http://www.w3.org/2001/XInclude"
         xmlns:xxi="http://orbeon.org/oxf/xml/xinclude"
         xmlns:xxf="http://orbeon.org/oxf/xml/xforms"
         xmlns:map="http://www.w3.org/2005/xpath-functions/map"
         xmlns:array="http://www.w3.org/2005/xpath-functions/array"
         xmlns:exf="http://www.exforms.org/exf/1-0"
         xmlns:fr="http://orbeon.org/oxf/xml/form-runner"
         xmlns:saxon="http://saxon.sf.net/"
         xmlns:sql="http://orbeon.org/oxf/xml/sql"
         xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/"
         xmlns:fb="http://orbeon.org/oxf/xml/form-builder"
         fr:data-format-version="4.0.0">
    <xh:head>
        <xh:title>Application</xh:title>
        <xf:model id="fr-form-model" xxf:expose-xpath-types="true" xxf:analysis.calculate="true">

            
            <xf:instance id="fr-form-instance" xxf:exclude-result-prefixes="#all" xxf:index="id">
                <form>
                    <employer-section>
                        <grid-1>
                            <company-name/>
                            <fill-employee-section>false</fill-employee-section>
                            <employee-email/>
                        </grid-1>
                        
                    </employer-section>
                    <employee-section>
                        <grid-2>
                            <first-name/>
                            <last-name/>
                        </grid-2>
                    </employee-section>
                </form>
            </xf:instance>

            
            <xf:bind id="fr-form-binds" ref="instance('fr-form-instance')">
                <xf:bind id="employer-section-bind" name="employer-section" ref="employer-section"
                         readonly="fr:workflow-stage-value() != ''">
                    <xf:bind id="grid-1-bind" ref="grid-1" name="grid-1">
                        <xf:bind id="company-name-bind" name="company-name" ref="company-name"
                                 xxf:whitespace="trim"
                                 required="true()"/>
                        <xf:bind id="fill-employee-section-bind" ref="fill-employee-section"
                                 name="fill-employee-section"
                                 type="xf:boolean"/>
                        <xf:bind id="employee-email-bind" ref="employee-email" name="employee-email"
                                 type="xf:email"
                                 xxf:whitespace="trim"
                                 relevant="$fill-employee-section/string() = 'false'"
                                 required="true()"/>
                    </xf:bind>
                    
                </xf:bind>
                <xf:bind id="employee-section-bind" ref="employee-section" name="employee-section"
                         relevant="$fill-employee-section/string() = 'true' or&#xA;(fr:mode() != 'new' and fr:workflow-stage-value() != '')"
                         readonly="fr:workflow-stage-value() = 'employer-and-employee'">
                    <xf:bind id="grid-2-bind" ref="grid-2" name="grid-2">
                        <xf:bind id="first-name-bind" ref="first-name" name="first-name" xxf:whitespace="trim"
                                 required="true()"/>
                        <xf:bind id="last-name-bind" ref="last-name" name="last-name" xxf:whitespace="trim"
                                 required="true()"/>
                    </xf:bind>
                </xf:bind>
            </xf:bind>

            
            <xf:instance id="fr-form-metadata" xxf:readonly="true" xxf:exclude-result-prefixes="#all">
                <metadata>
                    <application-name>gov</application-name>
                    <form-name>application</form-name>
                    <title xml:lang="en">Application</title>
                    <description xml:lang="en"/>
                    <created-with-version>2020.1-SNAPSHOT PE</created-with-version>
                    <updated-with-version>2020.1-SNAPSHOT PE</updated-with-version>
                    <email>
                        <subject>
                            <template xml:lang="en">Application form</template>
                        </subject>
                        <body>
                            <template xml:lang="en">Your employer, {$employer}, requested that you fill out the employee section of the following form:
{$link}</template>
                            <fr:param type="ControlValueParam">
                                <fr:name>employer</fr:name>
                                <fr:controlName>company-name</fr:controlName>
                            </fr:param>
                            <fr:param type="LinkToEditPageParam">
                                <fr:name>link</fr:name>
                            </fr:param>
                        </body>
                    </email>
                </metadata>
            </xf:instance>

            
            <xf:instance id="fr-form-attachments" xxf:exclude-result-prefixes="#all">
                <attachments/>
            </xf:instance>

            
            <xf:instance xxf:readonly="true" id="fr-form-resources" xxf:exclude-result-prefixes="#all">
                <resources>
                    <resource xml:lang="en">
                        <first-name>
                            <label>First name</label>
                            <hint/>
                        </first-name>
                        <last-name>
                            <label>Last name</label>
                            <hint/>
                        </last-name>
                        <employer-section>
                            <label>Employer</label>
                        </employer-section>
                        <employee-section>
                            <label>Employee</label>
                        </employee-section>
                        <company-name>
                            <label>Company name</label>
                            <hint/>
                            
                        </company-name>
                        <fill-employee-section>
                            <label>Fill employee section</label>
                            <hint/>
                        </fill-employee-section>
                        <employee-email>
                            <label>Employee email</label>
                            <hint/>
                        </employee-email>
                    </resource>
                </resources>
            </xf:instance>

        </xf:model>
    </xh:head>
    <xh:body>
        <fr:view>
            <fr:body xmlns:xbl="http://www.w3.org/ns/xbl" xmlns:p="http://www.orbeon.com/oxf/pipeline"
                     xmlns:oxf="http://www.orbeon.com/oxf/processors">
                <fr:section id="employer-section-section" bind="employer-section-bind">
                    <xf:label ref="$form-resources/employer-section/label"/>
                    <fr:grid id="grid-1-grid" bind="grid-1-bind">
                        <fr:c y="1" x="1" w="6">
                                <xf:input id="company-name-control" bind="company-name-bind">
                                    <xf:label ref="$form-resources/company-name/label"/>
                                    <xf:hint ref="$form-resources/company-name/hint"/>
                                <xf:alert ref="$fr-resources/detail/labels/alert"/>
                                    
                                </xf:input>
                            </fr:c>
                        <fr:c y="1" x="7" w="3">
                            <fr:yesno-input xmlns="http://orbeon.org/oxf/xml/form-builder"
                                            xmlns:xxbl="http://orbeon.org/oxf/xml/xbl"
                                            id="fill-employee-section-control"
                                            bind="fill-employee-section-bind">
                                <xf:label ref="$form-resources/fill-employee-section/label"/>
                                <xf:hint ref="$form-resources/fill-employee-section/hint"/>
                                <xf:alert ref="$fr-resources/detail/labels/alert"/>
                        
                        
                            </fr:yesno-input>
                        </fr:c>
                        <fr:c x="10" y="1" w="3" h="1">
                            <xf:input id="employee-email-control" bind="employee-email-bind"
                                      class="fr-email-recipient">
                                <xf:label ref="$form-resources/employee-email/label"/>
                                <xf:hint ref="$form-resources/employee-email/hint"/>
                                <xf:alert ref="$fr-resources/detail/labels/alert"/>
                        
                        
                            </xf:input>
                        </fr:c>
                    </fr:grid>
                </fr:section>
                <fr:section id="employee-section-section" bind="employee-section-bind">
                    <xf:label ref="$form-resources/employee-section/label"/>
                    <fr:grid id="grid-2-grid" bind="grid-2-bind">
                        <fr:c x="1" y="1" w="6">
                            <xf:input id="first-name-control" bind="first-name-bind">
                                <xf:label ref="$form-resources/first-name/label"/>
                                <xf:hint ref="$form-resources/first-name/hint"/>
                                <xf:alert ref="$fr-resources/detail/labels/alert"/>
                        
                        
                            </xf:input>
                        </fr:c>
                        <fr:c x="7" y="1" w="6">
                            <xf:input id="last-name-control" bind="last-name-bind">
                                <xf:label ref="$form-resources/last-name/label"/>
                                <xf:hint ref="$form-resources/last-name/hint"/>
                                <xf:alert ref="$fr-resources/detail/labels/alert"/>
                        
                        
                            </xf:input>
                        </fr:c>
                    </fr:grid>
                </fr:section>
            </fr:body>
        </fr:view>
    </xh:body>
</xh:html>

properties-local.xml

<properties xmlns:xs="http://www.w3.org/2001/XMLSchema"
            xmlns:oxf="http://www.orbeon.com/oxf/processors">

    <property as="xs:string"  name="oxf.fr.detail.buttons.gov.application"      value="submit"/>
    <property as="xs:string"  name="oxf.fr.detail.process.submit.*.*">
        require-uploads
        then validate-all
        then
            if ("fr:workflow-stage-value() = '' and
                //fill-employee-section/string() = 'false'")
            then (
                email then
                set-workflow-stage(name = "employer-only")
            ) else (
                set-workflow-stage(name = "employer-and-employee")
            )
        then save

        then navigate(uri = "/fr/static/submitted/new")
        recover error-message("database-error")
    </property>
    <property as="xs:string"  name="oxf.fr.detail.button.submit.visible.gov.application"
              value="fr:workflow-stage-value() != 'employer-and-employee'"/>
    <property as="xs:string"  name="oxf.fr.detail.buttons.static.submitted"     value=""/>
    <property as="xs:boolean" name="oxf.fr.email.attach-pdf.*.*"                value="false"/>
    <property as="xs:boolean" name="oxf.fr.email.attach-xml.*.*"                value="false"/>

</properties>