The response error from the callback of the HTTP service in CouchDB with AngularJS lacks any meaningful data

I need help writing CouchDB TypeScript classes with AngularJS http service. My call is successful in the happy path, but I'm struggling to retrieve the status code or JSON error information from the server, which is crucial for user feedback.

public createDb(name: string, callback: Function) {
    let url = this.urlPrefix + name;
    let cbData: CouchStatus = new CouchStatus;

    this.http.put(url).then((response: any) => {

        cbData.httpStatus = response.status;
        if (response.data.ok === true) {
            cbData.ok = true;
        } else {
            cbData.ok = false;
            cbData.error = response.data.error;
            cbData.reason = response.data.reason;
        }
        callback(cbData);
    }, (httpError: any) => {

        cbData.ok = false;
        cbData.httpStatus = httpError.status;
        cbData.error = httpError.data;
        console.log("createDb: " + cbData.error);
    });
}

When using CouchDB, I receive a "400 Bad Request" status.

Headers:

Access-Control-Allow-Origin → chrome-extension://fdmmgilgnpjigdojojpjoooidkmcomcm
Access-Control-Expose-Headers → Cache-Control, Content-Type, Server
Cache-Control → must-revalidate
Content-Length → 197
Content-Type → text/plain; charset=utf-8
Date → Sun, 17 Apr 2016 01:15:49 GMT
Server → CouchDB/1.6.1 (Erlang OTP/R16B02)

The response body contains:

{
   "error":"illegal_database_name",
   "reason":"Name: 'fooBar'. Only lowercase characters (a-z), digits (0-9), 
    and any of the characters _, $, (, ), +, -, and / are allowed. Must begin
    with a letter."
}

Thank you

Answer №1

Hours of troubleshooting led me to uncover the culprit behind all the issues – CORS. It turns out that the Option method was the source of the error. I may not fully understand what's happening just yet, but that can wait for another time.

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