package pagination import ( "encoding/json" "io/ioutil" "net/http" "net/url" "strings" "github.com/rackspace/gophercloud" ) // PageResult stores the HTTP response that returned the current page of results. type PageResult struct { gophercloud.Result url.URL } // PageResultFrom parses an HTTP response as JSON and returns a PageResult containing the // results, interpreting it as JSON if the content type indicates. func PageResultFrom(resp *http.Response) (PageResult, error) { var parsedBody interface{} defer resp.Body.Close() rawBody, err := ioutil.ReadAll(resp.Body) if err != nil { return PageResult{}, err } if strings.HasPrefix(resp.Header.Get("Content-Type"), "application/json") { err = json.Unmarshal(rawBody, &parsedBody) if err != nil { return PageResult{}, err } } else { parsedBody = rawBody } return PageResultFromParsed(resp, parsedBody), err } // PageResultFromParsed constructs a PageResult from an HTTP response that has already had its // body parsed as JSON (and closed). func PageResultFromParsed(resp *http.Response, body interface{}) PageResult { return PageResult{ Result: gophercloud.Result{ Body: body, Header: resp.Header, }, URL: *resp.Request.URL, } } // Request performs an HTTP request and extracts the http.Response from the result. func Request(client *gophercloud.ServiceClient, headers map[string]string, url string) (*http.Response, error) { return client.Request("GET", url, gophercloud.RequestOpts{ MoreHeaders: headers, OkCodes: []int{200, 204}, }) }