trendit

platformapi/trenditapi/trenditapi.go

@@ -0,0 +1,157 @@
+package trenditapi
+
+import (
+	"crypto/md5"
+	"encoding/json"
+	"fmt"
+	"git.rosy.net.cn/baseapi/platformapi"
+	"git.rosy.net.cn/baseapi/utils"
+	"io/ioutil"
+	r "math/rand"
+	"net/http"
+	"strconv"
+	"strings"
+	"sync"
+	"time"
+)
+
+type API struct {
+	locker      sync.RWMutex
+	accessToken string
+
+	appID     string
+	appSecret string
+	client    *http.Client
+	config    *platformapi.APIConfig
+}
+
+func New(appID, appSecret string, config ...*platformapi.APIConfig) *API {
+	curConfig := platformapi.DefAPIConfig
+	if len(config) > 0 {
+		curConfig = *config[0]
+	}
+	return &API{
+		appID:     appID,
+		appSecret: appSecret,
+		client:    &http.Client{Timeout: curConfig.ClientTimeout},
+		config:    &curConfig,
+	}
+}
+
+//生成BaseReq
+func (a *API) GenBaseReq(bizParams interface{}) *BaseReq {
+	//生成通用参数
+	uid := utils.Time2Str(time.Now()) + RandString()
+	timestamp := utils.Int64ToStr(time.Now().Unix())
+	return &BaseReq{
+		AppID: a.appID,
+		Uid:   uid,
+		STime: timestamp,
+		Sign:  a.sign(uid, timestamp, "bizParams"),
+	}
+}
+
+//生成随机字符串
+func RandString() string {
+	bytes := make([]byte, 16)
+	for i := 0; i < 16; i++ {
+		b := r.Intn(26) + 65
+		bytes[i] = byte(b)
+	}
+	return string(bytes)
+}
+
+func (a *API) sign(uid, timestamp string, param string) (sign string) {
+	aa := uid + a.appID + timestamp + a.appSecret + param
+	return fmt.Sprintf("%x", md5.Sum([]byte(aa)))
+}
+
+func (a *API) HttpPostJson(url string, data interface{}) *TIResponse {
+	//序列化参数
+	b, err := json.Marshal(&data)
+	if err != nil {
+		var msg = fmt.Sprintf("json serialize err:%+v", err)
+		fmt.Println(msg)
+		result := TIResponse{
+			HttpStatusCode: 500,
+		}
+		return &result
+	}
+
+	fullUrl := utils.GenerateGetURL(BaseUrl, url, nil)
+
+	request, err := http.NewRequest(http.MethodPost, fullUrl, strings.NewReader(string(b)))
+	client := &http.Client{}
+	timestamp := utils.Int64ToStr(time.Now().Unix())
+	uid := timestamp + RandString()
+	sign := a.sign(uid, timestamp, string(b))
+
+	request.Header.Set("Content-Type", "application/json;charset=UTF-8")
+	request.Header.Set("appid", a.appID)
+	request.Header.Set("uid", uid)
+	request.Header.Set("stime", timestamp)
+	request.Header.Set("sign", sign)
+
+	resp, err := client.Do(request)
+	//resp, err := http.Post(utils.GenerateGetURL(BaseUrl, url, nil), "application/json;charset=UTF-8", bytes.NewBuffer(b))
+	if err != nil {
+		fmt.Println(err)
+	}
+	defer resp.Body.Close()
+	body, err := ioutil.ReadAll(resp.Body)
+	if err != nil {
+		var msg = fmt.Sprintf("post json error:%+v", err)
+		fmt.Println(msg)
+	}
+
+	result := TIResponse{
+		HttpStatusCode: resp.StatusCode,
+	}
+
+	var content BaseResp
+	err = json.Unmarshal(body, &content)
+	if err == nil {
+		result.BaseRes = &content
+	} else {
+		var msg = fmt.Sprintf("unmarshal body failed, error:%+v", err)
+		fmt.Println(msg)
+	}
+
+	return &result
+}
+
+func StrRepeat(str string, repeatTimes int) string {
+	return strings.Repeat(str, repeatTimes)
+}
+
+func CalcAsciiLenForPrint(data string) int {
+	return len(data)
+}
+
+func FormatPrintOrderItemBig(foodName string, quantity int, price float64) string {
+	orderNameEmpty := StrRepeat(" ", 8)
+	quantityStr := strconv.Itoa(quantity)
+	temprice := price / 100
+	priceStr := fmt.Sprintf("%.2f", temprice)
+	subtotalStr := fmt.Sprintf("%.2f", utils.Int2Float64(quantity)*temprice)
+	result := `<font# bolder=1 height=2 width=1>` + foodName + "</font#><BR>"
+	result += `<font# bolder=1 height=2 width=1>` + orderNameEmpty + "x" + quantityStr + `</font#><font# bolder=0 height=1 width=1>     </font#>`
+	result += `<font# bolder=1 height=2 width=1>` + "￥" + priceStr + `</font#><font# bolder=0 height=1 width=1>   </font#>`
+	result += `<font# bolder=1 height=2 width=1>` + "￥" + subtotalStr + `</font#>`
+	//result += "<BR>"
+	return result
+}
+
+func FormatPrintOrderItem(foodName string, quantity int, price float64) string {
+	orderNameEmpty := StrRepeat(" ", 8)
+	quantityStr := strconv.Itoa(quantity)
+	temprice := price / 100
+	priceStr := fmt.Sprintf("%.2f", temprice)
+	subtotalStr := fmt.Sprintf("%.2f", utils.Int2Float64(quantity)*temprice)
+	result := foodName + "<BR>"
+	result += orderNameEmpty + "x" + quantityStr + `<font# bolder=0 height=1 width=1>     </font#>`
+	result += "￥" + priceStr + `<font# bolder=0 height=1 width=1>   </font#>`
+	result += "￥" + subtotalStr
+	result += "<BR>"
+	return result
+}