title: WidgetMessage: tm-http-request Example - Random Dog
tags: $:/tags/Macro $:/tags/Global

\procedure download-dog(url)

\procedure completion-download-dog()
\import [subfilter{$:/core/config/GlobalImportFilter}]
	<$action-log msg="In completion-download-dog"/>
	<$action-log/>
	<!-- Success -->
	<$list filter="[<status>compare:number:gteq[200]compare:number:lteq[299]]" variable="ignore">
		<!-- Create the dog tiddler -->
		<$action-createtiddler
			$basetitle=`$:/RandomDog/$(title)$`
			text=<<data>>
			tags="$:/tags/RandomDog"
			type={{{ [<headers>jsonget[content-type]] }}}
			credits="https://random.dog/"
		>
			<$action-log msg="Created tiddler" title=<<createTiddler-title>>/>
		</$createtiddler>
	</$list>
\end completion-download-dog

<$action-sendmessage
	$message="tm-http-request"
	url=<<url>>
	method="GET"
	binary="yes"
	oncompletion=<<completion-download-dog>>
	var-title=<<url>>
/>
\end download-dog

\procedure get-random-dog()

\procedure completion-get-json()
\import [subfilter{$:/core/config/GlobalImportFilter}]
	<$action-log msg="In completion-get-json"/>
	<$action-log/>
	<!-- Success -->
	<$list filter="[<status>compare:number:gteq[200]compare:number:lteq[299]]" variable="ignore">
		<!-- Download the dog -->
		<$macrocall $name="download-dog" url={{{ [<data>jsonget[url]] }}}/>
	</$list>
\end completion-get-json

<$action-sendmessage
	$message="tm-http-request"
	url="https://random.dog/woof.json"
	method="GET"
	oncompletion=<<completion-get-json>>
/>
\end get-random-dog

!! Random Dogs

This demo uses the API of the website https://random.dog/ to import a random dog image or video.

//Note that the images and videos can be quite large, so this demo is not recommended to be used over mobile data connections.//

<$button actions=<<get-random-dog>>>
Import a random dog image or video
</$button>

<$list filter="[tag[$:/tags/RandomDog]limit[1]]" variable="ignore">

!! Imported Tiddlers

<$button>
<$action-deletetiddler $filter="[tag[$:/tags/RandomDog]]"/>
Delete all imported random dogs
</$button>

Export all imported random dogs: <$macrocall $name="exportButton" exportFilter="[tag[$:/tags/RandomDog]]" lingoBase="$:/language/Buttons/ExportTiddlers/"/>

</$list>

<ol>
<$list filter="[tag[$:/tags/RandomDog]!sort[modified]]">
<li>
<$link>
<$text text=<<currentTiddler>>/>
</$link>
<div style="width:300px;">
<$transclude $tiddler=<<currentTiddler>>/>
</div>
</li>
</$list>
</ol>