/
ad.go
148 lines (136 loc) · 3.66 KB
/
ad.go
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package main
import (
"encoding/json"
"fmt"
"math/rand"
"strings"
"time"
"github.com/labstack/echo/v4"
"github.com/ziphttpd/ziphttpd.com/datastore"
"github.com/ziphttpd/ziphttpd.com/util"
)
var (
ad728ds *datastore.DataStore
ad125ds *datastore.DataStore
)
func init() {
ad728ds = datastore.NewDataStore("Ad728")
ad125ds = datastore.NewDataStore("Ad125")
}
// AdkeyList は広告キーの情報です
type AdkeyList struct {
UTC string `json:"utc"`
Sdkeys []string `json:"sdkeys"`
}
func getAdkey(c echo.Context, ads *datastore.DataStore, szcode string) []string {
adkeys := AdkeyList{Sdkeys: []string{}}
cur := time.Now().UTC()
expr := true
cachekey := confPRE + "adkey" + szcode
// 広告キーリストを取得
adkeyjson, err := ds.Get(c.Request(), cachekey)
if err == nil {
if err = json.Unmarshal([]byte(adkeyjson), &adkeys); err == nil {
// adkey をデコードできた
if old, err := util.Ymdhms2time(adkeys.UTC); err == nil {
dur := cur.Sub(old)
if dur.Hours() < 1 {
// 満了していない
expr = false
}
}
}
}
if expr {
util.LogOutput("refresh ad list")
adkeys.UTC = util.Time2ymdhms(cur)
// 広告データベースからキーを取得
adkeys.Sdkeys = ads.Keys()
if bytes, err := json.Marshal(&adkeys); err == nil {
// キャッシュ保存
_ = ds.SetCache(c.Request(), cachekey, string(bytes))
}
}
return adkeys.Sdkeys
}
// AdParamElem 広告テンプレートパラメータ要素
type AdParamElem struct {
URL string
}
// AdParam 広告テンプレートパラメータ
type AdParam struct {
Ad728 []AdParamElem
Ad125 []AdParamElem
}
func getAdParam(c echo.Context, ads *datastore.DataStore, adkeys []string, reqsize int) []AdParamElem {
ret := []AdParamElem{}
size := len(adkeys)
keys := map[string]string{}
for {
key := adkeys[rand.Intn(size)%size]
html, err := ads.Get(c.Request(), key)
if err != nil {
util.LogOutput(err.Error())
return ret
}
if html != "" {
elem := strings.Split(html, "\"")
if len(elem) > 1 && elem[1] != "" {
// ...."xxxxxxx".... の xxxxxxx
keys[key] = elem[1]
} else {
util.LogOutput(fmt.Sprintf("invalid ad data %s: %s", key, html))
continue
}
}
if len(keys) >= reqsize {
break
}
}
for _, value := range keys {
// 埋め込みタグからsrc=""の中身
ret = append(ret, AdParamElem{URL: value})
}
return ret
}
// GetAdParam はテンプレートに渡すパラメータ情報を構築します。
func GetAdParam(c echo.Context) AdParam {
param := AdParam{}
rand.Seed(time.Now().UnixNano())
param.Ad728 = getAdParam(c, ad728ds, getAdkey(c, ad728ds, "728"), 1)
param.Ad125 = getAdParam(c, ad125ds, getAdkey(c, ad125ds, "125"), 5)
return param
}
// GetAllAdParam はテンプレートに渡すパラメータ情報を構築します。
func GetAllAdParam(c echo.Context) AdParam {
param := AdParam{}
rand.Seed(time.Now().UnixNano())
param.Ad728 = listAll(c, ad728ds, getAdkey(c, ad728ds, "728"))
param.Ad125 = listAll(c, ad125ds, getAdkey(c, ad125ds, "125"))
return param
}
func listAll(c echo.Context, ads *datastore.DataStore, adkeys []string) []AdParamElem {
ret := []AdParamElem{}
size := len(adkeys)
for i := 0; i < size; i++ {
key := adkeys[i]
html, err := ads.Get(c.Request(), key)
if err != nil {
util.LogOutput(err.Error())
return ret
}
if html != "" {
elem := strings.Split(html, "\"")
if len(elem) > 1 && elem[1] != "" {
// ...."xxxxxxx".... の xxxxxxx
value := elem[1]
// 埋め込みタグからsrc=""の中身
ret = append(ret, AdParamElem{URL: value})
} else {
util.LogOutput(fmt.Sprintf("invalid ad data %s: %s", key, html))
continue
}
}
}
return ret
}