rest calls, datasets and initial values

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rest calls, datasets and initial values

bwallis42
This post was updated on .
I have defined an HTTP service named jsontest that calls a rest service
(http://date.jsontest.com/). This works when I click test and returns a json
object with the current date and time in it.

I then defined an action also named jsontest that is set as run on creation
only, when the form loads and before the data's initial values are
calculated.

Next I set an initial value formula in a text field with
"concat(fr:dataset('jsontest')/date,':',fr:dataset('jsontest')/time)" in it.

When I create a new instance of this form I don't get a value in the text
field as I expected. If I change the action to run always then I get a
value.

Should this work with run on creation only, I think it should. Have I
misunderstood how this works?

The form source is

<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">
    <xh:head>
        <xh:title>a test form</xh:title>
        <xf:model id="fr-form-model" xxf:expose-xpath-types="true" xxf:analysis.calculate="true">

            <!-- Main instance -->
            <xf:instance id="fr-form-instance" xxf:exclude-result-prefixes="#all" xxf:index="id">
                <form>
                    <section-1>
                        <control-1/>
                    </section-1>
                </form>
            </xf:instance>

            <!-- Bindings -->
            <xf:bind id="fr-form-binds" ref="instance('fr-form-instance')">
                <xf:bind id="section-1-bind" name="section-1" ref="section-1">
                    <xf:bind id="control-1-bind" name="control-1" ref="control-1" xxf:whitespace="trim"
                             xxf:default="concat(fr:dataset('jsontest')/date,':',fr:dataset('jsontest')/time)"/>
                </xf:bind>
            </xf:bind>

            <!-- Metadata -->
            <xf:instance xxf:readonly="true" id="fr-form-metadata" xxf:exclude-result-prefixes="#all">
                <metadata>
                    <application-name>CPF</application-name>
                    <form-name>bwtest2</form-name>
                    <title xml:lang="en">a test form</title>
                    <description xml:lang="en"/>
                </metadata>
            </xf:instance>

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

            <!-- All form resources -->
            <xf:instance xxf:readonly="true" id="fr-form-resources" xxf:exclude-result-prefixes="#all">
                <resources>
                    <resource xml:lang="en">
                        <section-1>
                            <label>Untitled Section</label>
                        </section-1>
                        <control-1>
                            <label/>
                            <hint/>
                            
                        </control-1>
                    </resource>
                </resources>
            </xf:instance>

            <xf:instance id="jsontest-instance" class="fr-service" xxf:exclude-result-prefixes="#all">
                        <body xmlns:xxbl="http://orbeon.org/oxf/xml/xbl"
                      xmlns:fbf="java:org.orbeon.oxf.fb.FormBuilderXPathApi">&lt;params/&gt;</body>
                    </xf:instance>
            <xf:submission id="jsontest-submission" class="fr-service"
                           resource="http://date.jsontest.com/"
                           method="get"
                           serialization="none"
                           mediatype="none"/>
            <xf:action id="jsontest-binding">
                <xf:action event="fr-run-form-load-action-before-data" ev:observer="fr-form-model"
                           if="$fr-mode='new'">
                    <xf:send submission="jsontest-submission"/>
                </xf:action>
                <xf:action event="xforms-submit" ev:observer="jsontest-submission">
                    <xf:var name="request-instance-name" value="'jsontest-instance'"/>
                    <xf:action/>
                </xf:action>
                <xf:action event="xforms-submit-done" ev:observer="jsontest-submission">
                    <xf:action class="fr-save-to-dataset-action">
                        <xf:var name="dataset-name">jsontest</xf:var>
                    </xf:action>
                </xf:action>
            </xf:action>
        </xf:model>
    </xh:head>
    <xh:body>
        <fr:view>
            <fr:body xmlns:xbl="http://www.w3.org/ns/xbl" xmlns:p="http://www.orbeon.com/oxf/pipeline"
                     xmlns:oxf="http://www.orbeon.com/oxf/processors">
                <fr:section id="section-1-section" bind="section-1-bind">
                    <xf:label ref="$form-resources/section-1/label"/>
                    <fr:grid id="grid-1-grid">
                        <fr:c y="1" x="1" w="6">
                                <xf:input id="control-1-control" bind="control-1-bind">
                                    <xf:label ref="$form-resources/control-1/label"/>
                                    <xf:hint ref="$form-resources/control-1/hint"/>
                                <xf:alert ref="$fr-resources/detail/labels/alert"/>
                                    
                                </xf:input>
                            </fr:c>
                        <fr:c y="1" x="7" w="6"/>
                    </fr:grid>
                </fr:section>
            </fr:body>
        </fr:view>
    </xh:body>
</xh:html>

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Re: rest calls, datasets and initial values

Erik Bruchez
Administrator
Brian,

Based on your description, it should work. But the form source is missing.
Can you share it again?

-Erik

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Re: rest calls, datasets and initial values

bwallis42
Thanks Erik,
  I've edited the post and added the source back in again. I'm having a lot
of trouble with the raw tags in posts, they seem to disappear when I post
the form if I have used the Preview Message button despite looking fine in
the preview.
brian...


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Re: rest calls, datasets and initial values

bwallis42
I am still having this issue with creation only events for actions. I've been
trying a couple of other forms with this setup and the service is just not
called if the invoking action is set to run on creation only.

thanks
brian...


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Re: rest calls, datasets and initial values

Erik Bruchez
Administrator
I do reproduce this and it is a bug.

    https://github.com/orbeon/orbeon-forms/issues/3685

-Erik

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Re: rest calls, datasets and initial values

bwallis42
Thanks Erik,
  I've tested this with your build 2018.1.201808291755-PE and it is working
as expected now.
brian...


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Re: rest calls, datasets and initial values

Erik Bruchez
Administrator
Brian,

Great, thanks for the confirmation.

-Erik

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