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