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app/service/main/seq-server/dao/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",
+        "seq_test.go",
+    ],
+    embed = [":go_default_library"],
+    rundir = ".",
+    tags = ["automanaged"],
+    deps = [
+        "//app/service/main/seq-server/conf:go_default_library",
+        "//vendor/github.com/smartystreets/goconvey/convey:go_default_library",
+    ],
+)
+
+go_library(
+    name = "go_default_library",
+    srcs = [
+        "dao.go",
+        "seq.go",
+    ],
+    importpath = "go-common/app/service/main/seq-server/dao",
+    tags = ["automanaged"],
+    deps = [
+        "//app/service/main/seq-server/conf:go_default_library",
+        "//app/service/main/seq-server/model:go_default_library",
+        "//library/database/sql:go_default_library",
+        "//library/log: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/service/main/seq-server/dao/dao.go

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+package dao
+
+import (
+	"context"
+
+	"go-common/app/service/main/seq-server/conf"
+	"go-common/library/database/sql"
+	"go-common/library/log"
+)
+
+// Dao is seq-server dao.
+type Dao struct {
+	c *conf.Config
+	// db
+	db *sql.DB
+}
+
+// New new a Dao and return.
+func New(c *conf.Config) (d *Dao) {
+	d = &Dao{
+		c: c,
+		// db
+		db: sql.NewMySQL(c.DB.Number),
+	}
+	return
+}
+
+// Ping ping db
+func (d *Dao) Ping() (err error) {
+	if err = d.db.Ping(context.TODO()); err != nil {
+		log.Error("d.db.Ping error(%v)", err)
+	}
+	return
+}
+
+// Close close resource.
+func (d *Dao) Close() {
+	d.db.Close()
+}

app/service/main/seq-server/dao/dao_test.go

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+package dao
+
+import (
+	"flag"
+	"os"
+	"testing"
+
+	"go-common/app/service/main/seq-server/conf"
+)
+
+var (
+	d *Dao
+)
+
+func TestMain(m *testing.M) {
+	if os.Getenv("DEPLOY_ENV") != "" {
+		flag.Set("app_id", "main.common-arch.seq-server")
+		flag.Set("conf_token", "3d6e1df5016b46baef2db5dd70add25e")
+		flag.Set("tree_id", "5986")
+		flag.Set("conf_version", "docker-1")
+		flag.Set("deploy_env", "uat")
+		flag.Set("conf_host", "config.bilibili.co")
+		flag.Set("conf_path", "/tmp")
+		flag.Set("region", "sh")
+		flag.Set("zone", "sh001")
+	}
+	flag.Parse()
+	if err := conf.Init(); err != nil {
+		panic(err)
+	}
+	d = New(conf.Conf)
+	m.Run()
+	os.Exit(0)
+}

app/service/main/seq-server/dao/seq.go

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+package dao
+
+import (
+	"context"
+	"database/sql"
+	"time"
+
+	"go-common/app/service/main/seq-server/model"
+	"go-common/library/log"
+)
+
+const (
+	_allSQL           = "SELECT id,max_seq,step,token,perch,ctime,mtime FROM business"
+	_maxSeqSQL        = "SELECT max_seq FROM business WHERE id=?"
+	_upMaxSeqSQL      = "UPDATE business SET max_seq=? WHERE id=? AND max_seq=?"
+	_upMaxSeqTokenSQL = "UPDATE business SET max_seq=?,step=? WHERE id=? AND token=?"
+)
+
+// All get all seq
+func (d *Dao) All(c context.Context) (bs map[int64]*model.Business, err error) {
+	rows, err := d.db.Query(c, _allSQL)
+	if err != nil {
+		log.Error("d.db.Query(%s) error(%v)", _allSQL, err)
+		return
+	}
+	bs = make(map[int64]*model.Business)
+	defer rows.Close()
+	for rows.Next() {
+		b := new(model.Business)
+		if err = rows.Scan(&b.ID, &b.MaxSeq, &b.Step, &b.Token, &b.Perch, &b.CTime, &b.MTime); err != nil {
+			log.Error("rows.Scan error(%v)")
+			return
+		}
+		b.BenchTime = b.CTime.Time().UnixNano() / int64(time.Millisecond)
+		b.LastTimestamp = time.Now().UnixNano() / int64(time.Millisecond)
+		bs[b.ID] = b
+	}
+	return
+}
+
+// MaxSeq return current max seq.
+func (d *Dao) MaxSeq(c context.Context, businessID int64) (maxSeq int64, err error) {
+	row := d.db.QueryRow(c, _maxSeqSQL, businessID)
+	if err = row.Scan(&maxSeq); err != nil {
+		if err == sql.ErrNoRows {
+			err = nil
+		} else {
+			log.Error("row.Scan error(%v)", err)
+		}
+	}
+	return
+}
+
+// UpMaxSeq update max seq by businessID.
+func (d *Dao) UpMaxSeq(c context.Context, businessID, maxSeq, lastSeq int64) (rows int64, err error) {
+	res, err := d.db.Exec(c, _upMaxSeqSQL, maxSeq, businessID, lastSeq)
+	if err != nil {
+		log.Error("d.db.Exec(%s, %d, %d) error(%v)", _upMaxSeqSQL, maxSeq, businessID)
+		return
+	}
+	return res.RowsAffected()
+}
+
+// UpMaxSeqToken update max seq by businessID and token.
+func (d *Dao) UpMaxSeqToken(c context.Context, businessID, maxSeq, step int64, token string) (rows int64, err error) {
+	res, err := d.db.Exec(c, _upMaxSeqTokenSQL, maxSeq, step, businessID, token)
+	if err != nil {
+		log.Error("d.db.Exec(%s, %d, %d) error(%v)", _upMaxSeqSQL, maxSeq, businessID)
+		return
+	}
+	return res.RowsAffected()
+}

app/service/main/seq-server/dao/seq_test.go

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+package dao
+
+import (
+	"context"
+	"testing"
+
+	"github.com/smartystreets/goconvey/convey"
+)
+
+func TestDaoAll(t *testing.T) {
+	var (
+		c = context.TODO()
+	)
+	convey.Convey("All", t, func(ctx convey.C) {
+		bs, err := d.All(c)
+		ctx.Convey("Then err should be nil.bs should not be nil.", func(ctx convey.C) {
+			ctx.So(err, convey.ShouldBeNil)
+			ctx.So(bs, convey.ShouldNotBeNil)
+		})
+	})
+}
+
+func TestDaoMaxSeq(t *testing.T) {
+	var (
+		c          = context.TODO()
+		businessID = int64(2)
+	)
+	convey.Convey("MaxSeq", t, func(ctx convey.C) {
+		maxSeq, err := d.MaxSeq(c, businessID)
+		ctx.Convey("Then err should be nil.maxSeq should not be nil.", func(ctx convey.C) {
+			ctx.So(err, convey.ShouldBeNil)
+			ctx.So(maxSeq, convey.ShouldNotBeNil)
+		})
+	})
+}
+
+func TestDaoUpMaxSeq(t *testing.T) {
+	var (
+		c          = context.TODO()
+		businessID = int64(1)
+		maxSeq     = int64(10)
+		lastSeq    = int64(2)
+	)
+	convey.Convey("UpMaxSeq", t, func(ctx convey.C) {
+		rows, err := d.UpMaxSeq(c, businessID, maxSeq, lastSeq)
+		ctx.Convey("Then err should be nil.rows should not be nil.", func(ctx convey.C) {
+			ctx.So(err, convey.ShouldBeNil)
+			ctx.So(rows, convey.ShouldNotBeNil)
+		})
+	})
+}
+
+func TestDaoUpMaxSeqToken(t *testing.T) {
+	var (
+		c          = context.TODO()
+		businessID = int64(1)
+		maxSeq     = int64(10)
+		step       = int64(2)
+		token      = ""
+	)
+	convey.Convey("UpMaxSeqToken", t, func(ctx convey.C) {
+		rows, err := d.UpMaxSeqToken(c, businessID, maxSeq, step, token)
+		ctx.Convey("Then err should be nil.rows should not be nil.", func(ctx convey.C) {
+			ctx.So(err, convey.ShouldBeNil)
+			ctx.So(rows, convey.ShouldNotBeNil)
+		})
+	})
+}