func (self ValidationError) Respond(c httpcontext.HTTPContextLogger) error {
if self.Fields != nil {
c.Resp().Header().Set("Content-Type", "application/json; charset=UTF-8")
}
if self.Status != 0 {
c.Resp().WriteHeader(self.Status)
}
return json.NewEncoder(c.Resp()).Encode(self)
}
func DoRequest(c ServiceConnector, method, service, path string, token AccessToken, body interface{}) (request *http.Request, response *http.Response, err error) {
waitTime := time.Millisecond * 100
for waitTime < time.Second*10 {
buf := new(bytes.Buffer)
if body != nil {
if err = json.NewEncoder(buf).Encode(body); err != nil {
return
}
}
request, err = http.NewRequest(method, fmt.Sprintf("%v/%v", service, path), buf)
if err != nil {
return
}
if token != nil {
var encoded string
encoded, err = token.EncodeSelf()
if err != nil {
return
}
request.Header.Add("Authorization", fmt.Sprintf("Bearer %v", encoded))
}
if method == "POST" || method == "PUT" {
request.Header.Add("Content-Type", "application/json")
}
request.Header.Add("X-API-Version", fmt.Sprint(MaxAPIVersion))
response, err = c.Client().Do(request)
if err == nil && response.StatusCode < 500 {
break
}
time.Sleep(waitTime)
waitTime = waitTime * 2
}
if err != nil {
return
}
newBody := &bytes.Buffer{}
if _, err = io.Copy(newBody, response.Body); err != nil {
return
}
if err = response.Body.Close(); err != nil {
return
}
response.Body = ioutil.NopCloser(newBody)
return
}
func (self DataResp) Render(c HTTPContextLogger) error {
if self.Data == nil {
return nil
}
if self.Filename != "" {
c.Resp().Header().Set("Content-disposition", "attachment; filename="+self.Filename)
}
c.Resp().Header().Set("Content-Type", self.ContentType)
switch self.ContentType {
case ContentExcelCSV:
if self.Status != 0 {
c.Resp().WriteHeader(self.Status)
}
fmt.Fprintf(c.Resp(), "sep=\t\n")
writer := csv.NewWriter(c.Resp())
writer.Comma = '\t'
titleRow := []string{self.ReportName}
for k, v := range self.Filters {
titleRow = append(titleRow, fmt.Sprintf("%s=%s", k, v[0]))
}
writer.Write(titleRow)
err := writer.Write(self.Headers)
if err != nil {
return err
}
for row := range self.Data {
vals := make([]string, 0, len(self.Headers))
for index := range self.Headers {
switch row[index].(type) {
default:
vals = append(vals, fmt.Sprintf("%v", row[index]))
case float64:
vals = append(vals, fmt.Sprintf("%.2f", row[index]))
}
}
err := writer.Write(vals)
if err != nil {
return err
}
}
writer.Flush()
return writer.Error()
case ContentHTML:
fmt.Fprintf(c.Resp(), "<html><body><table><thead><tr>")
for _, k := range self.Headers {
fmt.Fprintf(c.Resp(), "<th>%v</th>", k)
}
fmt.Fprintf(c.Resp(), "</tr></thead><tbody>")
for row := range self.Data {
fmt.Fprintf(c.Resp(), "<tr>")
for _, v := range row {
switch v.(type) {
default:
fmt.Fprintf(c.Resp(), "<td>%v</td>", v)
case float64:
fmt.Fprintf(c.Resp(), "<td>%.2f</td>", v)
}
}
fmt.Fprintf(c.Resp(), "</tr>")
}
fmt.Fprintf(c.Resp(), "</tbody></body></html>")
case ContentJSON:
// I dont know a way of creating json, and streaming it to the user.
var resp []map[string]interface{}
for row := range self.Data {
m := map[string]interface{}{}
for k, v := range self.Headers {
m[v] = row[k]
}
resp = append(resp, m)
}
return json.NewEncoder(c.Resp()).Encode(resp)
case ContentJSONStream:
for row := range self.Data {
m := map[string]interface{}{}
for k, v := range self.Headers {
m[v] = row[k]
}
err := json.NewEncoder(c.Resp()).Encode(m)
if err != nil {
return err
}
}
}
return fmt.Errorf("Unknown content type %#v", self.ContentType)
}