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@s992
Created December 8, 2011 03:08
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Integrating SendGrid with CF
<!DOCTYPE HTML>
<html lang="en-US">
<head>
<meta charset="UTF-8">
<title>SendGrid Demo</title>
</head>
<body>
<form action="process.cfm" method="POST">
<div>
<label for="emails">
E-mail Address(es)
<input type="text" name="emails" id="emails" />
</label>
</div>
<div>
<label for="subs">
Real Name(s)
<input type="text" name="subs" id="subs" />
</label>
</div>
<div>
<label for="subject">
Subject Line
<input type="text" name="subject" id="subject" />
</label>
</div>
<div>
<label for="body">
Body Text
<textarea name="body" id="body"></textarea>
</label>
</div>
<div>
<input type="submit" value="Send!" />
</div>
</form>
</body>
</html>
<cfscript>
api = new smtpApiHeader();
// Convert our lists into arrays
addresses = listToArray( form.emails );
names = listToArray( form.subs );
// Add our e-mail addresses to the JSON string
api.addTo( addresses );
// Add our substitutions to the JSON string
// SendGrid will look for %name% in our e-mail
// and replace it with the appropriate value
api.addSubVal( '%name%', names );
// Create our HTTP service so that we can send
// this to the Web API
httpSvc = new http();
httpSvc.setUrl( 'https://sendgrid.com/api/mail.send.json' );
// Add params containg the information we need to send
// This is the JSON string that smtpApiHeader built for us
httpSvc.addParam( name = 'x-smtpapi', value = api.asJSON(), type = 'url' );
// The "to" address appears to be ignored if there is a "to"
// array in x-smtpapi. I just set it to the same value as the
// "from address"
httpSvc.addParam( name = 'to', value = 'your@email.com', type = 'url' );
httpSvc.addParam( name = 'from', value = 'your@email.com', type = 'url' );
httpSvc.addParam( name = 'subject', value = form.subject, type = 'url' );
// We could also specify HTML content here by adding another
// param named "html"
httpSvc.addParam( name = 'text', value = form.body, type = 'url' );
// Your api_user and api_key are your SendGrid username and password
httpSvc.addParam( name = 'api_user', value = 'YOUR_API_USER', type = 'url' );
httpSvc.addParam( name = 'api_key', value = 'YOUR_API_KEY', type = 'url' );
// Send our request!
httpResult = httpSvc.send().getPrefix();
</cfscript>
<cfscript>
// Github won't syntax highlight this unless I wrap it in cfscript..bleh
component {
public smtpApiHeader function init() {
variables.data = {};
return this;
}
public void function addTo( required addresses ) {
if( !isDefined( 'variables.data.to' ) ) {
variables.data['to'] = [];
}
if( isArray( arguments.addresses ) ) {
variables.data.to = arrayMerge( arguments.addresses, variables.data.to );
} else {
arrayAppend( variables.data.to, arguments.addresses );
}
}
public void function addSubVal( required string key, required array values ) {
if( !isDefined( 'variables.data.sub' ) ) {
variables.data['sub'] = {};
}
if( !isArray( 'variables.data.sub["#arguments.key#"]' ) ){
variables.data.sub["#arguments.key#"] = [];
}
variables.data.sub["#arguments.key#"] = arrayMerge( variables.data.sub["#arguments.key#"], arguments.values );
}
public void function setUniqueArgs( required struct values ) {
variables.data['unique_args'] = arguments.values;
}
public void function setCategory( required string category ) {
variables.data['category'] = arguments.category;
}
public void function addFilterSetting( filter, setting, value ) {
if( !isDefined( 'variables.data.filters' ) ) {
variables.data['filters'] = {};
}
if( !isStruct( 'variables.data.filters["#arguments.filter#"]' ) ) {
variables.data['filters']["#arguments.filter#"] = {};
}
if( !isStruct( 'variables.data.filters["#arguments.filter#"]["settings"]' ) ) {
variables.data['filters']["#arguments.filter#"]['settings'] = {};
}
variables.data['filters']["#arguments.filter#"]['settings']["#arguments.setting#"] = arguments.value;
}
/**
* Appends array2 to the bottom of array1
*/
private array function arrayMerge( required array array1, required array array2 ) {
var i = '';
for( i = 1; i LTE arrayLen( arguments.array2 ); i++ ) {
arrayAppend( arguments.array1, arguments.array2[i] );
}
return arguments.array1;
}
public string function asJSON() {
var json = serializeJSON( variables.data );
// Adds spaces so that if the string wraps, data isn't broken.
json = reReplace( json, '(["\]}])([,:])(["\[{])', '\1\2 \3', 'all' );
return json;
}
public string function asString() {
var json = asJSON();
var str = 'X-SMTPAPI: ' & wrap( json, 76 );
return str;
}
}
</cfscript>
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