func sortQuery(u *url.URL) {
q := u.Query()
if len(q) > 0 {
arKeys := make([]string, len(q))
i := 0
for k, _ := range q {
arKeys[i] = k
i++
}
sort.Strings(arKeys)
buf := new(bytes.Buffer)
for _, k := range arKeys {
sort.Strings(q[k])
for _, v := range q[k] {
if buf.Len() > 0 {
buf.WriteRune('&')
}
buf.WriteString(fmt.Sprintf("%s=%s", k, urlesc.QueryEscape(v)))
}
}
// Rebuild the raw query string
u.RawQuery = buf.String()
}
}
func editQuery(u *url.URL, shouldSort bool, c Customizer) {
q := make(url.Values)
parseQuery(q, u.RawQuery)
if c != nil {
// possibly pre-process the values
c.EditValues(q)
}
if len(q) > 0 {
arKeys := make([]string, len(q))
i := 0
for k, _ := range q {
arKeys[i] = k
i++
}
if shouldSort {
sort.Strings(arKeys)
}
buf := new(bytes.Buffer)
for _, k := range arKeys {
if shouldSort {
sort.Strings(q[k])
}
for _, v := range q[k] {
if buf.Len() > 0 {
buf.WriteRune('&')
}
if v == noQueryValue {
buf.WriteString(k)
} else {
buf.WriteString(fmt.Sprintf("%s=%s", k, urlesc.QueryEscape(v)))
}
}
}
// Rebuild the raw query string
u.RawQuery = buf.String()
} else {
u.RawQuery = ""
}
}
func removeUtmFromQuery(u *url.URL) {
q := u.Query()
if len(q) > 0 {
buf := new(bytes.Buffer)
for key, value := range q {
if key != "utm_source" &&
key != "utm_medium" &&
key != "utm_term" &&
key != "utm_content" &&
key != "utm_campaign" {
for _, v := range value {
if buf.Len() > 0 {
_, _ = buf.WriteRune('&')
}
_, _ = buf.WriteString(fmt.Sprintf("%s=%s", key, urlesc.QueryEscape(v)))
}
}
}
// Rebuild the raw query string
u.RawQuery = buf.String()
}
}