Create & Init Project...

app/job/main/tv/dao/playurl/BUILD

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+package(default_visibility = ["//visibility:public"])
+
+load(
+    "@io_bazel_rules_go//go:def.bzl",
+    "go_test",
+    "go_library",
+)
+
+go_test(
+    name = "go_default_test",
+    srcs = [
+        "dao_test.go",
+        "playurl_test.go",
+    ],
+    embed = [":go_default_library"],
+    rundir = ".",
+    tags = ["automanaged"],
+    deps = [
+        "//app/job/main/tv/conf:go_default_library",
+        "//vendor/github.com/smartystreets/goconvey/convey:go_default_library",
+    ],
+)
+
+go_library(
+    name = "go_default_library",
+    srcs = [
+        "dao.go",
+        "playurl.go",
+    ],
+    importpath = "go-common/app/job/main/tv/dao/playurl",
+    tags = ["automanaged"],
+    visibility = ["//visibility:public"],
+    deps = [
+        "//app/job/main/tv/conf:go_default_library",
+        "//app/job/main/tv/model/pgc:go_default_library",
+        "//library/log:go_default_library",
+        "//library/net/http/blademaster:go_default_library",
+    ],
+)
+
+filegroup(
+    name = "package-srcs",
+    srcs = glob(["**"]),
+    tags = ["automanaged"],
+    visibility = ["//visibility:private"],
+)
+
+filegroup(
+    name = "all-srcs",
+    srcs = [":package-srcs"],
+    tags = ["automanaged"],
+    visibility = ["//visibility:public"],
+)

app/job/main/tv/dao/playurl/dao.go

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+package playurl
+
+import (
+	"go-common/app/job/main/tv/conf"
+	httpx "go-common/library/net/http/blademaster"
+)
+
+// Dao dao.
+type Dao struct {
+	conf   *conf.Config
+	client *httpx.Client
+}
+
+// New create a instance of Dao and return.
+func New(c *conf.Config) (d *Dao) {
+	d = &Dao{
+		conf:   c,
+		client: httpx.NewClient(conf.Conf.HTTPClient),
+	}
+	return
+}

app/job/main/tv/dao/playurl/dao_test.go

@@ -0,0 +1,25 @@
+package playurl
+
+import (
+	"context"
+	"flag"
+	"go-common/app/job/main/tv/conf"
+	"path/filepath"
+)
+
+var (
+	ctx = context.TODO()
+	d   *Dao
+)
+
+func WithDao(f func(d *Dao)) func() {
+	return func() {
+		dir, _ := filepath.Abs("../../cmd/tv-job-test.toml")
+		flag.Set("conf", dir)
+		conf.Init()
+		if d == nil {
+			d = New(conf.Conf)
+		}
+		f(d)
+	}
+}

app/job/main/tv/dao/playurl/playurl.go

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+package playurl
+
+import (
+	"context"
+	"fmt"
+	"net/url"
+
+	model "go-common/app/job/main/tv/model/pgc"
+	"go-common/library/log"
+)
+
+const (
+	_type      = "mp4"
+	_maxBackup = 0
+	_otype     = "json"
+)
+
+// Playurl calls the api of playurl to get the url to play the video
+func (d *Dao) Playurl(ctx context.Context, cid int) (playurl string, hitDead bool, err error) {
+	var (
+		result    = model.PlayurlResp{}
+		params    = url.Values{}
+		api       = d.conf.Sync.PlayURL.API
+		originURL string
+	)
+	params.Set("cid", fmt.Sprintf("%d", cid))
+	params.Set("type", _type)                               // to get one piece
+	params.Set("max_backup", fmt.Sprintf("%d", _maxBackup)) // no backup url needed
+	params.Set("otype", _otype)                             // json format response
+	params.Set("qn", d.conf.Sync.PlayURL.Qn)                // quality fix to 16
+	if err = d.client.Get(ctx, api, "", params, &result); err != nil {
+		log.Error("ClientGet error[%v]", err)
+		return
+	}
+	if result.Code != 0 { // logic error
+		for _, v := range d.conf.Sync.PlayURL.Deadcodes {
+			if result.Code == v { // hit dead code
+				hitDead = true
+				return
+			}
+		}
+		err = fmt.Errorf("Resp Code:[%v], Message:[%v]", result.Code, result.Message)
+		return
+	}
+	if len(result.Durl) < 1 { // result empty
+		err = fmt.Errorf("Playurl Result is Empty! Resp (%v)", result)
+		return
+	}
+	originURL = result.Durl[0].URL
+	if playurl, err = d.hostChange(originURL); err != nil { // replace the host of the playurl
+		log.Error("HostChange Origin: %s, Error: %v", originURL, err)
+	}
+	return
+}
+
+// replace the url's host by TV's dedicated host
+func (d *Dao) hostChange(playurl string) (replaced string, err error) {
+	var host = d.conf.Sync.PlayURL.PlayPath
+	u, err := url.Parse(playurl)
+	if err != nil {
+		log.Error("hostChange ParseURL error (%v)", err)
+		return
+	}
+	log.Info("[hostChange] for URL: %s, Original Host: %s, Now we change it to: %s", playurl, u.Host, host)
+	u.Host = host   // replace the host
+	u.RawQuery = "" // remove useless query
+	replaced = u.String()
+	return
+}

app/job/main/tv/dao/playurl/playurl_test.go

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+package playurl
+
+import (
+	"testing"
+
+	. "github.com/smartystreets/goconvey/convey"
+)
+
+func TestDao_Playurl(t *testing.T) {
+	Convey("TestDao_Playurl", t, WithDao(func(d *Dao) {
+		url, hitDead, err := d.Playurl(ctx, 41057587)
+		So(err, ShouldBeNil)
+		So(hitDead, ShouldBeTrue)
+		So(url, ShouldNotBeEmpty)
+	}))
+}