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global.go
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global.go
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package function
import (
"github.com/shoppehub/sjet/common"
"math"
"net/url"
"reflect"
"sort"
"strconv"
"strings"
"time"
"github.com/CloudyKit/jet/v6"
"github.com/shoppehub/sjet/engine"
"github.com/sirupsen/logrus"
"go.mongodb.org/mongo-driver/bson"
"go.mongodb.org/mongo-driver/bson/primitive"
)
var globalFunc = make(map[string]jet.Func)
// 初始化全局函数
func InitGlobalFunc(t *engine.TemplateEngine) {
for k, v := range globalFunc {
t.Views.AddGlobalFunc(k, v)
}
// 把数字转换为int数组
t.Views.AddGlobalFunc("numArray", numArrayFunc)
// 支持把数据转换为字符串,比如 objectId
t.Views.AddGlobalFunc("oid", oidFunc)
//function/strings.go:31 已完成{{ formatTime(info.createdAt,"2006-01-02")}}
t.Views.AddGlobalFunc("time", timeFunc)
t.Views.AddGlobalFunc("timeNowFormat", timeNowFormatFunc)
t.Views.AddGlobalFunc("timeNowAddDateFormat", timeNowAddDateFormatFunc)
t.Views.AddGlobalFunc("timeBefore", timeBeforeFunc)
t.Views.AddGlobalFunc("timeOffset", timeOffsetFunc)
t.Views.AddGlobalFunc("formatUrlPath", formatUrlPathFunc)
t.Views.AddGlobalFunc("map", mapFunc)
t.Views.AddGlobalFunc("put", putFunc)
t.Views.AddGlobalFunc("append", appendFunc)
t.Views.AddGlobalFunc("array", arrayFunc)
t.Views.AddGlobalFunc("arraySort", arraySortFunc)
t.Views.AddGlobalFunc("aggregate", aggregateFunc)
t.Views.AddGlobalFunc("pipeline", aggregateFunc)
t.Views.AddGlobalFunc("m", mFunc)
t.Views.AddGlobalFunc("d", dFunc)
t.Views.AddGlobalFunc("parseInt", parseIntFunc)
t.Views.AddGlobalFunc("ceil", ceilFunc)
t.Views.AddGlobalFunc("floor", floorFunc)
t.Views.AddGlobalFunc("randomInt", randomIntFunc)
t.Views.AddGlobalFunc("log", logFunc)
t.Views.AddGlobalFunc("exit", exitFunc)
}
func oidFunc(a jet.Arguments) reflect.Value {
if !a.Get(0).IsValid() {
return reflect.ValueOf("")
}
oid, _ := primitive.ObjectIDFromHex(a.Get(0).String())
return reflect.ValueOf(oid)
}
func timeFunc(a jet.Arguments) reflect.Value {
value := a.Get(0)
if !value.IsValid() {
return reflect.ValueOf("")
}
str := value.String()
layout := "2006-01-02 15:04:05"
if strings.IndexAny(str, ":") == -1 {
layout = "2006-01-02"
}
if strings.Contains(str, "T") {
layout = time.RFC3339
}
val, _ := time.Parse(layout, str)
//if err != nil {
// ejson, _ := json.Marshal(field)
// return nil, errors.New("value :" + value.(string) + " " + err.Error() + " ; the field config is " + string(ejson))
//}
return reflect.ValueOf(val)
}
func timeNowFormatFunc(a jet.Arguments) reflect.Value {
layout := "2006-01-02"
if a.IsSet(0) {
format := a.Get(0)
if !format.IsValid() {
//layout = "2006-01-02 15:04:05"
layout = time.RFC3339
} else {
layout = format.String()
}
}
val := time.Now().Format(layout)
return reflect.ValueOf(val)
}
func timeNowAddDateFormatFunc(a jet.Arguments) reflect.Value {
originalTime := time.Now()
days := 0
if a.IsSet(0) {
daysValue := a.Get(0)
if daysValue.IsValid() && daysValue.Kind() == reflect.Float64 {
days = int(daysValue.Float())
} else {
days = int(daysValue.Int())
}
}
months := 0
if a.IsSet(1) {
monthsValue := a.Get(1)
if monthsValue.IsValid() && monthsValue.Kind() == reflect.Float64 {
months = int(monthsValue.Float())
} else {
months = int(monthsValue.Int())
}
}
years := 0
if a.IsSet(2) {
yearsValue := a.Get(2)
if yearsValue.IsValid() && yearsValue.Kind() == reflect.Float64 {
years = int(yearsValue.Float())
} else {
years = int(yearsValue.Int())
}
}
//layout = "2006-01-02 15:04:05"
layout := time.RFC3339
if a.IsSet(3) {
format := a.Get(3)
if format.IsValid() {
layout = format.String()
}
}
val := originalTime.AddDate(years, months, days).Format(layout)
return reflect.ValueOf(val)
}
func timeBeforeFunc(a jet.Arguments) reflect.Value {
time1 := time.Now()
layout1 := "2006-01-02 15:04:05"
layout2 := "2006-01-02 15:04:05"
if a.IsSet(3) {
// 如果传入四个参数,则格式 为 t1,l1, t2, l2
format2 := a.Get(3)
if format2.IsValid() {
layout2 = format2.String()
}
format1 := a.Get(1)
if format1.IsValid() {
layout1 = format1.String()
}
time1, time1Error := time.Parse(layout1, a.Get(0).String())
if time1Error != nil {
return reflect.ValueOf(time1Error.Error())
}
time2, time2Error := time.Parse(layout2, a.Get(2).String())
if time2Error != nil {
return reflect.ValueOf(time2Error.Error())
}
return reflect.ValueOf(time1.Before(time2))
} else if a.IsSet(1) { // 第四个参数没值,且第二个参数有值
// 如果传入2个参数,则格式 为 t1, t2
time1, time1Error := time.Parse(layout1, a.Get(0).String())
if time1Error != nil {
return reflect.ValueOf(time1Error.Error())
}
time2, time2Error := time.Parse(layout2, a.Get(1).String())
if time2Error != nil {
return reflect.ValueOf(time2Error.Error())
}
return reflect.ValueOf(time1.Before(time2))
} else if a.IsSet(0) {
// 如果传入1个参数,则为 t2, t1 默认为当前时间
time2, time2Error := time.Parse(layout2, a.Get(1).String())
if time2Error != nil {
return reflect.ValueOf(time2Error.Error())
}
return reflect.ValueOf(time1.Before(time2))
}
return reflect.ValueOf("参数异常!")
}
func timeOffsetFunc(a jet.Arguments) reflect.Value {
precision := "year"
time1 := time.Now()
time2 := time.Now()
layout1 := "2006-01-02 15:04:05"
layout2 := "2006-01-02 15:04:05"
if a.NumOfArguments() > 1 {
precision = a.Get(0).String()
}
if a.NumOfArguments() == 5 {
layout1 = a.Get(2).String()
layout2 = a.Get(4).String()
time1, _ = time.Parse(layout1, a.Get(1).String())
time2, _ = time.Parse(layout2, a.Get(3).String())
} else if a.NumOfArguments() == 3 {
layout2 = a.Get(2).String()
time2, _ = time.Parse(layout2, a.Get(1).String())
} else if a.NumOfArguments() == 1 {
layout2 = "2006"
time2, _ = time.Parse(layout2, a.Get(0).String())
}
switch precision {
case "year":
return reflect.ValueOf(time1.Year() - time2.Year())
break
case "day":
return reflect.ValueOf(time1.Sub(time2).Hours() / 24)
break
case "hours":
return reflect.ValueOf(time1.Sub(time2).Hours())
break
default:
return reflect.ValueOf("参数异常!")
break
}
return reflect.ValueOf("参数异常!")
}
func formatUrlPathFunc(a jet.Arguments) reflect.Value {
if !a.Get(0).IsValid() {
return reflect.ValueOf("")
}
u, _ := url.Parse(a.Get(0).Interface().(string))
return reflect.ValueOf(u.Path)
}
// 把数字转换为int数组
func numArrayFunc(a jet.Arguments) reflect.Value {
var total int
k := a.Get(0).Kind()
switch k {
case reflect.Float64:
total = int(a.Get(0).Float())
default:
total = int(a.Get(0).Int())
}
nums := make([]int64, total)
for i := 0; i < total; i++ {
nums[i] = int64(i + 1)
}
return reflect.ValueOf(nums)
}
func mapFunc(a jet.Arguments) reflect.Value {
if a.NumOfArguments()%2 > 0 {
return reflect.ValueOf(make(map[string]interface{}))
}
m := reflect.ValueOf(make(map[string]interface{}, a.NumOfArguments()/2))
for i := 0; i < a.NumOfArguments(); i += 2 {
m.SetMapIndex(a.Get(i), a.Get(i+1))
}
return m
}
func putFunc(a jet.Arguments) reflect.Value {
name := a.Get(0).Type().Name()
if name == "M" {
m := a.Get(0).Interface().(bson.M)
m[a.Get(1).String()] = a.Get(2).Interface()
return reflect.ValueOf(m)
} else {
m := a.Get(0).Interface().(map[string]interface{})
m[a.Get(1).String()] = a.Get(2).Interface()
return reflect.ValueOf(m)
}
}
func appendFunc(a jet.Arguments) reflect.Value {
name := a.Get(0).Type().Name()
kind := a.Get(0).Type().Kind()
if name == "D" {
m := a.Get(0).Interface().(bson.D)
e := bson.E{}
e.Key = a.Get(1).Interface().(string)
e.Value = a.Get(2).Interface()
m = append(m, e)
return reflect.ValueOf(m)
} else if name == "M" {
m := a.Get(0).Interface().(bson.M)
if m[a.Get(1).String()] != nil {
val := append(m[a.Get(1).String()].([]bson.M), a.Get(2).Interface().(bson.M))
m[a.Get(1).String()] = val
} else {
val := []bson.M{a.Get(2).Interface().(bson.M)}
m[a.Get(1).String()] = val
}
return reflect.ValueOf(m)
} else if kind == reflect.Map {
m := a.Get(0).Interface().(map[string]interface{})
if m[a.Get(1).String()] != nil {
val := append(m[a.Get(1).String()].([]interface{}), a.Get(2).Interface())
m[a.Get(1).String()] = val
} else {
val := []interface{}{a.Get(2).Interface()}
m[a.Get(1).String()] = val
}
return reflect.ValueOf(m)
} else if kind == reflect.Slice {
m := a.Get(0).Interface().([]interface{})
m = append(m, a.Get(1).Interface())
return reflect.ValueOf(m)
}
return reflect.ValueOf("")
}
func parseIntFunc(a jet.Arguments) reflect.Value {
value := a.Get(0).Interface()
val, _ := strconv.ParseInt(value.(string), 10, 64)
return reflect.ValueOf(val)
}
func ceilFunc(a jet.Arguments) reflect.Value {
value := a.Get(0).Interface()
return reflect.ValueOf(int(math.Ceil(value.(float64))))
}
func floorFunc(a jet.Arguments) reflect.Value {
value := a.Get(0).Interface()
return reflect.ValueOf(int(math.Floor(value.(float64))))
}
func randomIntFunc(a jet.Arguments) reflect.Value {
if a.NumOfArguments() != 2 {
return reflect.ValueOf("this func only support 2 params")
}
min := 0
k := a.Get(0).Kind()
switch k {
case reflect.Float64:
min = int(a.Get(0).Float())
default:
min = int(a.Get(0).Int())
}
max := 100
k2 := a.Get(1).Kind()
switch k2 {
case reflect.Float64:
max = int(a.Get(1).Float())
default:
max = int(a.Get(1).Int())
}
return reflect.ValueOf(common.RandomInt(min, max))
}
func mFunc(a jet.Arguments) reflect.Value {
d := bson.M{}
for i := 0; i < a.NumOfArguments(); i += 2 {
d[a.Get(i).String()] = a.Get(i + 1).Interface()
}
m := reflect.ValueOf(d)
return m
}
func dFunc(a jet.Arguments) reflect.Value {
d := bson.D{}
for i := 0; i < a.NumOfArguments(); i += 2 {
d = append(d, bson.E{
Key: a.Get(i).String(),
Value: a.Get(i + 1).Interface(),
})
}
m := reflect.ValueOf(d)
return m
}
func aggregateFunc(a jet.Arguments) reflect.Value {
var p []bson.D
for i := 0; i < a.NumOfArguments(); i++ {
p = append(p, a.Get(i).Interface().(bson.D))
}
m := reflect.ValueOf(p)
return m
}
func arrayFunc(a jet.Arguments) reflect.Value {
var p []interface{}
for i := 0; i < a.NumOfArguments(); i++ {
p = append(p, a.Get(i).Interface())
}
m := reflect.ValueOf(p)
return m
}
func arraySortFunc(a jet.Arguments) reflect.Value {
paramSlice := a.Get(0).Slice(0, a.Get(0).Len())
var result []map[string]interface{}
for i := 0; i < paramSlice.Len(); i++ {
item := paramSlice.Index(i)
temp := item.Interface().(map[string]interface{})
result = append(result, temp)
}
sort.Slice(result, func(i, j int) bool {
var iSort, jSort int
if _, ok := result[i]["sort"]; !ok {
result[i]["sort"] = 99999
}
if _, ok := result[j]["sort"]; !ok {
result[j]["sort"] = 99999
}
t := reflect.TypeOf(result[i]["sort"]).Kind()
switch t {
case reflect.Float64:
iSort = int(result[i]["sort"].(float64))
jSort = int(result[j]["sort"].(float64))
default:
iSort = result[i]["sort"].(int)
jSort = result[j]["sort"].(int)
}
if iSort < jSort {
return true
}
return false
})
return reflect.ValueOf(result)
}
func logFunc(a jet.Arguments) reflect.Value {
level := a.Get(0).Interface().(string)
logVal := a.Get(1).Interface()
switch level {
case "err":
logrus.Error(logVal)
case "info":
logrus.Info(logVal)
case "warn":
logrus.Warn(logVal)
}
return reflect.ValueOf("")
}
func exitFunc(a jet.Arguments) reflect.Value {
panic("exit::::")
}