/
report_download.go
167 lines (148 loc) · 4.13 KB
/
report_download.go
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package gadwords
import (
"bytes"
"encoding/csv"
"encoding/json"
"encoding/xml"
"io"
"net/http"
"net/url"
"strings"
)
type ReportDownloadService struct {
Auth
}
type reportDefinitionXml struct {
*ReportDefinition
XMLName xml.Name
}
//type is equiv to errorString eg AuthorizationError.USER_PERMISSION_DENIED
type ApiError struct {
Type string `xml:"type"`
}
type ReportDownloadError struct {
XMLName xml.Name `xml:"reportDownloadError"`
ApiError ApiError
}
func (s ApiError) Error() string {
return s.Type
}
func (s ApiError) Code() string {
if parts := strings.Split(s.Type, "."); len(parts) > 1 {
return parts[1]
}
return s.Type
}
func NewReportDownloadService(auth *Auth) *ReportDownloadService {
return &ReportDownloadService{Auth: *auth}
}
func (s *ReportDownloadService) Get(reportDefinition ReportDefinition) (res interface{}, err error) {
reportDefinition.Selector.XMLName = xml.Name{baseUrl, "selector"}
repDef := reportDefinitionXml{
ReportDefinition: &reportDefinition,
XMLName: xml.Name{
Space: baseUrl,
Local: "reportDefinition",
},
}
body, err := xml.MarshalIndent(repDef, " ", " ")
if err != nil {
return res, err
}
form := url.Values{}
form.Add("__rdxml", string(body))
resp, err := s.makeRequest(form)
if err != nil {
return res, err
}
defer resp.Body.Close()
if resp.StatusCode != 200 {
dec := xml.NewDecoder(resp.Body)
el := &ReportDownloadError{}
if err := dec.Decode(el); err != nil {
return nil, err
}
return nil, el.ApiError
}
return parseReport(resp.Body)
}
func (s *ReportDownloadService) StreamAWQL(awql string, fmt string) (io.ReadCloser, error) {
form := url.Values{}
form.Add("__rdquery", awql)
form.Add("__fmt", fmt)
resp, err := s.makeRequest(form)
if err != nil {
return nil, err
}
/* b, _ := ioutil.ReadAll(resp.Body)
log.Println(string(b)) */
if resp.StatusCode != 200 {
dec := xml.NewDecoder(resp.Body)
el := &ReportDownloadError{}
if err := dec.Decode(el); err != nil {
return nil, err
}
return nil, el.ApiError
}
return resp.Body, nil
}
func (s *ReportDownloadService) AWQL(awql string, fmt string) (interface{}, error) {
body, err := s.StreamAWQL(awql, fmt)
if err != nil {
return nil, err
}
defer body.Close()
return parseReport(body)
}
// Make our http request using the given form (re-usable for either XML or AWQL)
func (s *ReportDownloadService) makeRequest(form url.Values) (res *http.Response, err error) {
req, err := http.NewRequest("POST", reportDownloadServiceUrl.Url, bytes.NewBufferString(form.Encode()))
if err != nil {
return res, err
}
req.Header.Add("developerToken", s.Auth.DeveloperToken)
req.Header.Add("clientCustomerId", s.Auth.CustomerId)
req.Header.Add("skipReportHeader", "true")
req.Header.Add("skipReportSummary", "true")
req.Header.Add("Content-Type", "application/x-www-form-urlencoded")
return s.Client.Do(req)
}
func (s *ReportDownloadService) makeadsRequest() (res *http.Response, err error) {
js, _ := json.Marshal(map[string]string{
"query": `SELECT campaign.name, campaign.status, segments.device,metrics.impressions, metrics.clicks, metrics.ctr,metrics.average_cpc, metrics.cost_micros
FROM campaign
WHERE segments.date DURING LAST_30_DAYS`,
})
req, err := http.NewRequest("POST", "https://googleads.googleapis.com/v3/customers/6046921141/GoogleAdsService/Search", bytes.NewReader(js))
if err != nil {
return res, err
}
req.Header.Add("developerToken", s.Auth.DeveloperToken)
//req.Header.Add("clientCustomerId", s.Auth.CustomerId)
//req.Header.Add("skipReportHeader", "true")
//req.Header.Add("skipReportSummary", "true")
req.Header.Add("Content-Type", "application/json")
return s.Client.Do(req)
}
func parseReport(report io.Reader) (collection []map[string]string, err error) {
reader := csv.NewReader(report)
header, err := reader.Read()
if err != nil {
return collection, err
}
for {
record, err := reader.Read()
if err == io.EOF {
break
} else if err != nil {
return collection, err
}
row := make(map[string]string)
for i := 0; i < len(record); i++ {
column := header[i]
row[column] = record[i]
}
collection = append(collection, row)
}
return collection, err
}