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helpers.go
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helpers.go
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package goqradar
import (
"context"
"fmt"
"net/http"
"net/url"
"strconv"
"strings"
)
func parseContentRange(cr string) (int, int, int, error) {
// Trim
trimed := strings.Trim(cr, "items ")
// Split min-max and total
split := strings.Split(trimed, "/")
if len(split) != 2 {
return 0, 0, 0, fmt.Errorf("error when splitting the content-range with slash")
}
if split[0] == "*" {
// Convert total
total, err := strconv.Atoi(split[1])
if err != nil {
return 0, 0, 0, fmt.Errorf("error while converting the total into int")
}
return 0, 0, total, nil
}
// Split min and max
minAndMax := strings.Split(split[0], "-")
if len(minAndMax) != 2 {
return 0, 0, 0, fmt.Errorf("error when splitting the content-range with dash")
}
// Convert min
min, err := strconv.Atoi(minAndMax[0])
if err != nil {
return 0, 0, 0, fmt.Errorf("error while converting the min into int")
}
// Convert max
max, err := strconv.Atoi(minAndMax[1])
if err != nil {
return 0, 0, 0, fmt.Errorf("error while converting the max into int")
}
// Convert total
total, err := strconv.Atoi(split[1])
if err != nil {
return 0, 0, 0, fmt.Errorf("error while converting the total into int")
}
return min, max, total, nil
}
func (c *Client) do(ctx context.Context, method, endpoint string, opts ...Option) (*http.Response, error) {
// Options
var apiOptions options
// Add options
for _, op := range opts {
err := op(&apiOptions)
if err != nil {
return nil, err
}
}
// Raw URL
rawURL := fmt.Sprintf("%s/api%s", c.BaseURL, endpoint)
// Build query
queryURL, err := url.Parse(rawURL)
if err != nil {
return nil, err
}
// Assign query parameters
if apiOptions.Params != nil {
queryURL.RawQuery = apiOptions.Params.Encode()
}
// Initialize request
req, err := http.NewRequestWithContext(ctx, method, queryURL.String(), nil)
if err != nil {
return nil, err
}
// Default headers
headers := http.Header{}
headers.Add("Accept", "application/json")
headers.Add("Version", c.Version)
headers.Add("SEC", c.Token)
// Optional headers
if apiOptions.Headers != nil {
for k := range *apiOptions.Headers {
headers.Add(k, apiOptions.Headers.Get(k))
}
}
// Assign new headers
req.Header = headers
// Do the query
resp, err := c.client.Do(req)
if err != nil {
return nil, fmt.Errorf("error while doing the request: %s", err)
}
return resp, err
}