“When something you make doesn’t work, it didn’t work, not you. You, you work. You keep trying.”
— Zach Klein
Last time, we created a couple of new shared functions to send over a logo image and associate that image with its base record. Unfortunately, the function that sends over the image file doesn’t actually work. Yes, it creates an attachment record on the target system, and yes, that attachment gets linked to its base record, but the image itself does not come across correctly, and the resulting file is not a valid image file. Yes, I should have tested that before I stuck the code out there, but it all seemed as if it should work, so I just threw it out there without first giving it a try.
I tried a few things to get it to go, but none of them did the trick. I went back to the getContent method instead of getContentBase64, but that didn’t work, so I tried getContentStream, but that didn’t do it, either. Then I tried adding a Content-Transfer-Encoding: base64 header, but that didn’t help, no matter what method I used to snag the content. So, it’s back to the drawing board on that one to see if we can’t figure out how to get that working correctly.
In the meantime, I decided to start logging all of this REST API activity so that I would have some record of what’s been happening between the instances. I have long thought that there should be some form of activity log tracking all of the important things going on with the records, and I even built a table for that early on, but that table was never used. This time, though, I was looking for something specific to the REST API activity, which has a number of specific data points. So, I created a new table called REST API Log to start tracking every request and response.
Then I added the following function to create records in this new table.
logRESTCall: function (targetGR, result, payload) {
var logGR = new GlideRecord('x_11556_col_store_rest_api_log');
logGR.instance = targetGR.getUniqueValue();
logGR.url = result.url;
logGR.method = result.method;
if (payload) {
logGR.request_body = JSON.stringify(payload, null, '\t');
}
logGR.response_code = result.status;
if (result.obj) {
logGR.response_body = JSON.stringify(result.obj, null, '\t');
} else {
logGR.response_body = result.body;
}
logGR.error = result.error;
logGR.error_code = result.error_code;
logGR.error_message = result.error_message;
logGR.parse_error = result.parse_error;
logGR.insert();
}
Then, at the end of each common REST API function, I added this line right before the final return statement:
this.logRESTCall(targetGR, result, payload);
Now, not every REST API call in the system uses these common functions, but my intent is to go back and correct that wherever appropriate, so eventually that should cover most of them, and then I can see what I need to do with the rest to get that activity logged as well. But it’s a start, anyway.
So now I have to get busy figuring out how to get my logo image over to another instance successfully. I’m sure that there is a way to do that; I just haven’t figured it out yet. Hopefully, we can explain how that is done next time out.
