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app/job/main/videoup/dao/bvc/dao.go

@@ -0,0 +1,125 @@
+package bvc
+
+import (
+	"context"
+	"crypto/md5"
+	"encoding/hex"
+	"encoding/json"
+	"io/ioutil"
+	"net"
+	"net/http"
+	"net/url"
+	"strconv"
+	"strings"
+	"time"
+
+	"go-common/app/job/main/videoup/conf"
+	"go-common/library/log"
+	"go-common/library/xstr"
+)
+
+// Dao is message dao.
+type Dao struct {
+	c          *conf.Config
+	httpCli    *http.Client
+	capableURL string
+}
+
+// New new a activity dao.
+func New(c *conf.Config) (d *Dao) {
+	// http://bvc-playurl.bilibili.co/video_capable?cid=18669677&capable=0&ts=1497426598&sign=e822b4ce02fdcf91eb29fd47dcbbc3c8
+	d = &Dao{
+		c: c,
+		httpCli: &http.Client{
+			Transport: &http.Transport{
+				Dial: (&net.Dialer{
+					Timeout: 5 * time.Second,
+				}).Dial,
+				DisableKeepAlives: true,
+			},
+			Timeout: 10 * time.Second,
+		},
+		capableURL: c.Host.Bvc.Bvc + "/video_capable",
+	}
+	return
+}
+
+// VideoCapable sync cid audit result to bvc.
+func (d *Dao) VideoCapable(c context.Context, aid int64, allCids []int64, capable int) (err error) {
+	var times int
+	if len(allCids)%50 == 0 {
+		times = len(allCids) / 50
+	} else {
+		times = len(allCids)/50 + 1
+	}
+	var cids []int64
+	for i := 0; i < times; i++ {
+		if i == times-1 {
+			cids = allCids[i*50:]
+		} else {
+			cids = allCids[i*50 : (i+1)*50]
+		}
+		if err = d.call(aid, cids, capable); err != nil {
+			return
+		}
+	}
+	return
+}
+
+func (d *Dao) call(aid int64, cids []int64, capable int) (err error) {
+	var (
+		// http params
+		cidStr     = xstr.JoinInts(cids)
+		capableStr = strconv.Itoa(capable)
+		ts         = strconv.FormatInt(time.Now().Unix(), 10)
+		signs      = []string{cidStr, ts, capableStr, d.c.Host.Bvc.AppendKey}
+	)
+	log.Info("VideoCapable  aid(%d) cid(%s) capable(%d) process start", aid, cidStr, capable)
+	params := url.Values{}
+	params.Set("ts", ts)
+	params.Set("cid", cidStr)
+	params.Set("capable", capableStr)
+	// sign = md5(cid + gap_key + ts + gap_key + capable + gap_key + append_key)
+	// gap_key(d.c.Host.Bvc.GapKey) = "--->"
+	signStr := strings.Join(signs, d.c.Host.Bvc.GapKey)
+	mh := md5.Sum([]byte(signStr))
+	sign := hex.EncodeToString(mh[:])
+	params.Set("sign", sign)
+	url := d.capableURL + "?" + params.Encode()
+	// http
+	var (
+		req  *http.Request
+		resp *http.Response
+	)
+	if req, err = http.NewRequest("POST", url, nil); err != nil {
+		log.Error("VideoCapable cid(%s) http.NewRequest(POST,%s) error(%v)", cidStr, url, err)
+		return
+	}
+	if resp, err = d.httpCli.Do(req); err != nil {
+		log.Error("VideoCapable cid(%s) d.httpCli.Do() error(%v)", cidStr, err)
+		return
+	}
+	defer resp.Body.Close()
+	// Update successfully only when response is HTTP/200.(bvc said this)
+	if resp.StatusCode != http.StatusOK {
+		log.Error("VideoCapable cid(%s) sync cid result faild. StatusCode(%d)", cidStr, resp.StatusCode)
+		return
+	}
+	var rb []byte
+	if rb, err = ioutil.ReadAll(resp.Body); err != nil {
+		log.Error("VideoCapable cid(%s) ioutil.ReadAll(resp.Body) error(%v)", cidStr, err)
+		err = nil
+		return
+	}
+	var res struct {
+		Error   int    `json:"error"`
+		Message string `json:"message"`
+	}
+	if err = json.Unmarshal(rb, &res); err != nil {
+		log.Error("VideoCapable cid(%s) json.Unmarshal(%s) error(%v)", cidStr, string(rb), err)
+		err = nil
+		return
+	}
+	log.Info("VideoCapable cid(%s) capable(%d) res.error(%d) or res.message(%v) process end", cidStr, capable, res.Error, res.Message)
+	return
+}