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utils.go
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/
utils.go
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package confluence
// ////////////////////////////////////////////////////////////////////////////////// //
// //
// Copyright (c) 2024 ESSENTIAL KAOS //
// Apache License, Version 2.0 <https://www.apache.org/licenses/LICENSE-2.0> //
// //
// ////////////////////////////////////////////////////////////////////////////////// //
import (
"fmt"
"net/url"
"reflect"
"strings"
"time"
)
// ////////////////////////////////////////////////////////////////////////////////// //
// Supported options
const (
_OPTION_UNWRAP = "unwrap"
_OPTION_RESPECT = "respect"
_OPTION_REVERSE = "reverse"
_OPTION_TIMEDATE = "timedate"
)
// ////////////////////////////////////////////////////////////////////////////////// //
// paramsToQuery convert params to query string
func paramsToQuery(params interface{}) string {
var result string
t := reflect.TypeOf(params)
v := reflect.ValueOf(params)
for i := 0; i < t.NumField(); i++ {
field := t.Field(i)
value := v.Field(i)
tag := field.Tag.Get("query")
switch value.Type().String() {
case "string":
result += formatString(tag, value)
case "int", "int64":
result += formatInt(tag, value)
case "bool":
result += formatBool(tag, value)
case "time.Time":
result += formatTime(tag, value)
case "[]string":
result += formatSlice(tag, value)
}
}
if result == "" {
return ""
}
return result[:len(result)-1]
}
// formatString returns string representation of string for query string
func formatString(tag string, value reflect.Value) string {
if value.String() != "" {
return tag + "=" + esc(value.String()) + "&"
} else if hasTagOption(tag, _OPTION_RESPECT) {
return getTagName(tag) + "=&"
}
return ""
}
// formatInt returns string representation of int/int64 for query string
func formatInt(tag string, value reflect.Value) string {
if value.Int() != 0 {
return tag + "=" + fmt.Sprintf("%d", value.Int()) + "&"
} else if hasTagOption(tag, _OPTION_RESPECT) {
return getTagName(tag) + "=0&"
}
return ""
}
// formatBool returns string representation of boolean for query string
func formatBool(tag string, value reflect.Value) string {
b := value.Bool()
if hasTagOption(tag, _OPTION_REVERSE) && b {
return getTagName(tag) + "=false&"
} else {
if b {
return getTagName(tag) + "=true&"
} else if hasTagOption(tag, _OPTION_RESPECT) {
return getTagName(tag) + "=false&"
}
}
return ""
}
// formatTime returns string representation of time and date for query string
func formatTime(tag string, value reflect.Value) string {
d := value.Interface().(time.Time)
if !d.IsZero() {
if hasTagOption(tag, _OPTION_TIMEDATE) {
return getTagName(tag) + "=" + d.Format("2006-01-02T15:04:05Z") + "&"
} else {
return tag + "=" + d.Format("2006-01-02") + "&"
}
}
return ""
}
// formatSlice returns string representation of slice for query string
func formatSlice(tag string, value reflect.Value) string {
if value.Len() == 0 {
return ""
}
var result string
name := getTagName(tag)
unwrap := hasTagOption(tag, _OPTION_UNWRAP)
if !unwrap {
result += name + "="
}
for i := 0; i < value.Len(); i++ {
v := value.Index(i)
if unwrap {
result += name + "=" + esc(v.String()) + "&"
} else {
result += esc(v.String()) + ","
}
}
return result[:len(result)-1] + "&"
}
// getTagOption extract option from tag
func hasTagOption(tag, option string) bool {
if !strings.Contains(tag, ",") {
return false
}
return tag[strings.Index(tag, ",")+1:] == option
}
// getTagName return tag name
func getTagName(tag string) string {
if !strings.Contains(tag, ",") {
return tag
}
return tag[:strings.Index(tag, ",")]
}
// esc escapes the string so it can be safely placed inside a URL query
func esc(s string) string {
return url.QueryEscape(s)
}