CODEWITHSUNDEEP
azure-api-managementdotliquid
Gordon Thompson
Gordon Thompson

Reputation: 4824

Azure Liquid Template Parameter Comparison

I have a simple test in an Azure API Manager Outgoing Policy

<policies>
    <inbound>
        <base />
    </inbound>
    <backend>
        <base />
    </backend>
    <outbound>
        <set-body template="liquid">
        {% if context.Request.OriginalUrl.Query.param1 == 'test' %}
        Matched
        {% else %}
        Not Matched
        {% endif %}

        Hello : {{context.Request.OriginalUrl.Query.param1}}
        </set-body>
        <base />
    </outbound>
    <on-error>
        <base />
    </on-error>
</policies>

And I post

/echo/resource?param1=test

I get 

Not Matched

Hello : test

I can't figure out the syntax to check the value for param1 and act accordingly in the body. I've not found any decent documentation on this which helps. I've tried this as well as 

{% if context.Request.OriginalUrl.Query.param1.Equals('test') %}

Can somebody advise on the syntax I need to check this? This should be trivial and it's driving me nuts! :)

Thanks

Upvotes: 1

Views: 1207

Answers (2)

Gordon Thompson
Gordon Thompson

Reputation: 4824

In addition to Markus's answer you can also do it like this

{% if context.Request.OriginalUrl.Query.param1[0] == 'test' %}

It makes sense that it's an array of values and that's why the comparison was failing.

Upvotes: 2

Markus Meyer
Markus Meyer

Reputation: 3937

It works for me if I use a variable:

<policies>
<inbound>
    <set-variable name="param" value="@(context.Request.Url.Query.GetValueOrDefault("param1"))" />    
    <base />
</inbound>
<backend>
    <base />
</backend>
<outbound>
    <set-body template="liquid">
    {% if context.Variables["param"] == 'test' %}
    Matched
    {% else %}
    Not Matched
    {% endif %}

    Hello : {{context.Request.OriginalUrl.Query.param1}}
    </set-body>
    <base />
</outbound>
<on-error>
    <base />
</on-error>

Result:

Matched
Hello: test

Upvotes: 2

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