Technical Proof of Concept rendering a dynamic SVG directly to the browser from Hubitat

svgTechnicalProofHubitat.groovy

/**
 *  SharpTools SVG Rendering Technical Proof of Concept for Hubitat
 *  Author: Josh Lyon (support@sharptools.io)
 *	Version: See getVersionMap()
 */

/*
	Additional information can be found at:
      https://community.sharptools.io/t/best-approach-for-irrigation-schedule-tile/3215/14?u=josh
 */
import groovy.json.JsonBuilder
import groovy.json.JsonSlurper
definition(
        name: "SVG Technical POC",
        namespace: "sharptools-io",
        author: "Josh Lyon",
        description: "SVG Rendering Technical Proof of Concept",
        category: "Amazing Apps",
        iconUrl: "",
        iconX2Url: "",
        oauth: [displayName: "SharpTools", displayLink: "https://sharptools.io"],
    	singleInstance: true
){}

preferences {
    page(name: "introduction")
}

def introduction(){
    if(!state.accessToken){	
        //enable OAuth in the app settings or this call will fail
        createAccessToken()	
    }
    def localUri = getFullLocalApiServerUrl() + "/svg?access_token=${state.accessToken}"
    def cloudUri = getFullApiServerUrl() + "/svg?access_token=${state.accessToken}"

    
    return dynamicPage(name: "introduction", title: "Introduction", install: true){
        section("This Technical Proof of Concept shows how to use Hubitat to render a dynamic SVG image directly to the browser."){
            paragraph("Use the following URI to access the SVG: <ul><li><strong>Local</strong>:<br /><a href='${localUri}'>${localUri}</a></li><li><strong>Cloud</strong>:<br/><a href='${cloudUri}'>${cloudUri}</a></li></ul>")
        }
    }
}

mappings { 
    path("/svg") { action: [ GET: "getSvg"] }
}


def getSvg(){
    log.info "Rendering SVG"
    svg = '<svg data-v-e38988be="" aria-hidden="true" focusable="false" data-prefix="stio" data-icon="hubitat" role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 130 130" class="fa-lg fa-fw svg-inline--fa fa-hubitat fa-w-16"><path data-v-e38988be="" fill="#80bc00" d="m40.592 3.6222c-1.4074 0.031312-2.9567 0.66796-4.1641 1.0723-1.6729 0.56186-3.2257 1.44-4.7793 2.2676-3.2391 1.7251-6.4448 4.0107-9.2188 6.4102-5.7396 4.9663-10.707 10.694-14.391 17.355-4.2146 7.6219-6.8328 16.011-7.6641 24.684-0.79583 8.314 0.58216 17.529 3.1426 25.533 3.5646 11.143 11.782 29.281 37.533 40.475 19.111 8.3084 40.065 4.959 54.133-2.2676 14.629-7.512 26.684-21.062 31.73-36.793 0.0106-0.0032 0.0576-0.1198 0.21484-0.63086 2.8705-9.9146 3.2267-15.26 2.3106-24.543-0.9192-10.232-3.4611-15.992-5.5606-20.678-1.9937-4.452-4.4114-9.2086-7.666-12.887-0.40521 0.33078 2.6483 3.3871 2.5488 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    render contentType: "image/svg+xml", data: svg, status: 200
}