feat mysql

Server/common/db/db.go

@@ -0,0 +1,38 @@
+package db
+
+import (
+	"common/config"
+	"common/db/etcd"
+	"common/db/mysql"
+	"common/log"
+)
+
+// ModuleDB 数据库模块
+type ModuleDB struct {
+}
+
+func (p *ModuleDB) Init(cfg *config.DBConfig) error {
+	// ETCD
+	if cfg.Etcd != nil {
+		if err := etcd.Init(cfg.Etcd); err != nil {
+			return err
+		}
+	}
+	// MYSQL
+	if cfg.MySQL != nil {
+		if err := mysql.Init(cfg.MySQL); err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+func (p *ModuleDB) Stop() error {
+	if err := etcd.Close(); err != nil {
+		log.Errorf("close etcd failed: %v", err)
+	}
+	if err := mysql.Close(); err != nil {
+		log.Errorf("close mysql failed: %v", err)
+	}
+	return nil
+}

Server/common/db/etcd/client.go

@@ -1,6 +1,7 @@
 package etcd
 
 import (
+	"common/config"
 	"context"
 	"go.etcd.io/etcd/client/v3"
 	"go.uber.org/zap"
@@ -15,9 +16,9 @@ type Client struct {
 }
 
 // Init 初始化
-func Init(endpoints []string) error {
+func Init(cfg *config.EtcdConfig) error {
 	client, err := clientv3.New(clientv3.Config{
-		Endpoints:   endpoints,
+		Endpoints:   cfg.Endpoints,
 		DialTimeout: 5 * time.Second,
 	})
 	instance = &Client{

Server/common/db/mysql/client.go

@@ -0,0 +1,97 @@
+package mysql
+
+import (
+	"common/config"
+	pointQuery "common/db/mysql/point/query"
+	"common/log"
+	"database/sql"
+	"gorm.io/driver/mysql"
+	"gorm.io/gorm"
+	"gorm.io/gorm/logger"
+	"time"
+)
+
+type DBName string
+
+const (
+	DBNamePoint DBName = "point"
+)
+
+var dbs = make(map[DBName]*sql.DB)
+var queryS = make(map[DBName]interface{})
+
+func Init(cfg map[string]*config.MySQLConfig) error {
+	for name, oneConfig := range cfg {
+		switch DBName(name) {
+		case DBNamePoint:
+			if db, err := initOneDB(oneConfig); err != nil {
+				return err
+			} else {
+				dbs[DBNamePoint], _ = db.DB()
+				queryS[DBNamePoint] = pointQuery.Use(db)
+			}
+		}
+	}
+	return nil
+}
+
+func initOneDB(cfg *config.MySQLConfig) (*gorm.DB, error) {
+	db, err := gorm.Open(
+		mysql.Open(cfg.Dsn),
+		&gorm.Config{
+			TranslateError: true,
+			Logger:         logger.Default.LogMode(parseLogLevel(cfg.LogLevel)),
+		},
+	)
+	if err != nil {
+		return nil, err
+	}
+
+	sqlDB, err := db.DB()
+	if err != nil {
+		return nil, err
+	}
+	sqlDB.SetMaxOpenConns(int(cfg.MaxOpenConn))
+	sqlDB.SetMaxIdleConns(int(cfg.MaxIdleConn))
+	sqlDB.SetConnMaxLifetime(time.Duration(cfg.ConnMaxLifetimeSec) * time.Second)
+	sqlDB.SetConnMaxIdleTime(time.Duration(cfg.ConnMaxIdleTimeSec) * time.Second)
+
+	return db, nil
+}
+
+func parseLogLevel(logLevel string) logger.LogLevel {
+	switch logLevel {
+	case "silent":
+		return logger.Silent
+	case "error":
+		return logger.Error
+	case "warn":
+		return logger.Warn
+	case "info":
+		return logger.Info
+	}
+	return logger.Info
+}
+
+func GetPointDB() *pointQuery.Query {
+	return getQuery[*pointQuery.Query](DBNamePoint)
+}
+
+func getQuery[T any](dbName DBName) (result T) {
+	if q, ok := queryS[dbName]; ok {
+		result, _ = q.(T)
+	}
+	return
+}
+
+func Close() error {
+	if dbs == nil {
+		return nil
+	}
+	for name, db := range dbs {
+		if err := db.Close(); err != nil {
+			log.Errorf("close db %s error: %v", name, err)
+		}
+	}
+	return nil
+}

Server/common/db/mysql/point/model/users.gen.go

@@ -0,0 +1,28 @@
+// Code generated by gorm.io/gen. DO NOT EDIT.
+// Code generated by gorm.io/gen. DO NOT EDIT.
+// Code generated by gorm.io/gen. DO NOT EDIT.
+
+package model
+
+import (
+	"time"
+
+	"gorm.io/gorm"
+)
+
+const TableNameUser = "users"
+
+// User mapped from table <users>
+type User struct {
+	ID        int64          `gorm:"column:id;primaryKey;autoIncrement:true" json:"id"`
+	Sn        string         `gorm:"column:sn;not null;comment:业务唯一编号" json:"sn"` // 业务唯一编号
+	Name      string         `gorm:"column:name;not null" json:"name"`
+	CreatedAt time.Time      `gorm:"column:created_at;not null" json:"created_at"`
+	UpdatedAt time.Time      `gorm:"column:updated_at;not null" json:"updated_at"`
+	DeletedAt gorm.DeletedAt `gorm:"column:deleted_at" json:"deleted_at"`
+}
+
+// TableName User's table name
+func (*User) TableName() string {
+	return TableNameUser
+}

Server/common/db/mysql/point/query/gen.go

@@ -0,0 +1,93 @@
+// Code generated by gorm.io/gen. DO NOT EDIT.
+// Code generated by gorm.io/gen. DO NOT EDIT.
+// Code generated by gorm.io/gen. DO NOT EDIT.
+
+package query
+
+import (
+	"context"
+	"database/sql"
+
+	"gorm.io/gorm"
+
+	"gorm.io/gen"
+
+	"gorm.io/plugin/dbresolver"
+)
+
+func Use(db *gorm.DB, opts ...gen.DOOption) *Query {
+	return &Query{
+		db:   db,
+		User: newUser(db, opts...),
+	}
+}
+
+type Query struct {
+	db *gorm.DB
+
+	User user
+}
+
+func (q *Query) Available() bool { return q.db != nil }
+
+func (q *Query) clone(db *gorm.DB) *Query {
+	return &Query{
+		db:   db,
+		User: q.User.clone(db),
+	}
+}
+
+func (q *Query) ReadDB() *Query {
+	return q.ReplaceDB(q.db.Clauses(dbresolver.Read))
+}
+
+func (q *Query) WriteDB() *Query {
+	return q.ReplaceDB(q.db.Clauses(dbresolver.Write))
+}
+
+func (q *Query) ReplaceDB(db *gorm.DB) *Query {
+	return &Query{
+		db:   db,
+		User: q.User.replaceDB(db),
+	}
+}
+
+type queryCtx struct {
+	User *userDo
+}
+
+func (q *Query) WithContext(ctx context.Context) *queryCtx {
+	return &queryCtx{
+		User: q.User.WithContext(ctx),
+	}
+}
+
+func (q *Query) Transaction(fc func(tx *Query) error, opts ...*sql.TxOptions) error {
+	return q.db.Transaction(func(tx *gorm.DB) error { return fc(q.clone(tx)) }, opts...)
+}
+
+func (q *Query) Begin(opts ...*sql.TxOptions) *QueryTx {
+	tx := q.db.Begin(opts...)
+	return &QueryTx{Query: q.clone(tx), Error: tx.Error}
+}
+
+type QueryTx struct {
+	*Query
+	Error error
+}
+
+func (q *QueryTx) Commit() error {
+	return q.db.Commit().Error
+}
+
+func (q *QueryTx) Rollback() error {
+	return q.db.Rollback().Error
+}
+
+func (q *QueryTx) SavePoint(name string) error {
+	return q.db.SavePoint(name).Error
+}
+
+func (q *QueryTx) RollbackTo(name string) error {
+	return q.db.RollbackTo(name).Error
+}

Server/common/db/mysql/point/query/users.gen.go

@@ -0,0 +1,346 @@
+// Code generated by gorm.io/gen. DO NOT EDIT.
+// Code generated by gorm.io/gen. DO NOT EDIT.
+// Code generated by gorm.io/gen. DO NOT EDIT.
+
+package query
+
+import (
+	"common/db/mysql/point/model"
+	"context"
+
+	"gorm.io/gorm"
+	"gorm.io/gorm/clause"
+	"gorm.io/gorm/schema"
+
+	"gorm.io/gen"
+	"gorm.io/gen/field"
+
+	"gorm.io/plugin/dbresolver"
+)
+
+func newUser(db *gorm.DB, opts ...gen.DOOption) user {
+	_user := user{}
+
+	_user.userDo.UseDB(db, opts...)
+	_user.userDo.UseModel(&model.User{})
+
+	tableName := _user.userDo.TableName()
+	_user.ALL = field.NewAsterisk(tableName)
+	_user.ID = field.NewInt64(tableName, "id")
+	_user.Sn = field.NewString(tableName, "sn")
+	_user.Name = field.NewString(tableName, "name")
+	_user.CreatedAt = field.NewTime(tableName, "created_at")
+	_user.UpdatedAt = field.NewTime(tableName, "updated_at")
+	_user.DeletedAt = field.NewField(tableName, "deleted_at")
+
+	_user.fillFieldMap()
+
+	return _user
+}
+
+type user struct {
+	userDo userDo
+
+	ALL       field.Asterisk
+	ID        field.Int64
+	Sn        field.String // 业务唯一编号
+	Name      field.String
+	CreatedAt field.Time
+	UpdatedAt field.Time
+	DeletedAt field.Field
+
+	fieldMap map[string]field.Expr
+}
+
+func (u user) Table(newTableName string) *user {
+	u.userDo.UseTable(newTableName)
+	return u.updateTableName(newTableName)
+}
+
+func (u user) As(alias string) *user {
+	u.userDo.DO = *(u.userDo.As(alias).(*gen.DO))
+	return u.updateTableName(alias)
+}
+
+func (u *user) updateTableName(table string) *user {
+	u.ALL = field.NewAsterisk(table)
+	u.ID = field.NewInt64(table, "id")
+	u.Sn = field.NewString(table, "sn")
+	u.Name = field.NewString(table, "name")
+	u.CreatedAt = field.NewTime(table, "created_at")
+	u.UpdatedAt = field.NewTime(table, "updated_at")
+	u.DeletedAt = field.NewField(table, "deleted_at")
+
+	u.fillFieldMap()
+
+	return u
+}
+
+func (u *user) WithContext(ctx context.Context) *userDo { return u.userDo.WithContext(ctx) }
+
+func (u user) TableName() string { return u.userDo.TableName() }
+
+func (u user) Alias() string { return u.userDo.Alias() }
+
+func (u user) Columns(cols ...field.Expr) gen.Columns { return u.userDo.Columns(cols...) }
+
+func (u *user) GetFieldByName(fieldName string) (field.OrderExpr, bool) {
+	_f, ok := u.fieldMap[fieldName]
+	if !ok || _f == nil {
+		return nil, false
+	}
+	_oe, ok := _f.(field.OrderExpr)
+	return _oe, ok
+}
+
+func (u *user) fillFieldMap() {
+	u.fieldMap = make(map[string]field.Expr, 6)
+	u.fieldMap["id"] = u.ID
+	u.fieldMap["sn"] = u.Sn
+	u.fieldMap["name"] = u.Name
+	u.fieldMap["created_at"] = u.CreatedAt
+	u.fieldMap["updated_at"] = u.UpdatedAt
+	u.fieldMap["deleted_at"] = u.DeletedAt
+}
+
+func (u user) clone(db *gorm.DB) user {
+	u.userDo.ReplaceConnPool(db.Statement.ConnPool)
+	return u
+}
+
+func (u user) replaceDB(db *gorm.DB) user {
+	u.userDo.ReplaceDB(db)
+	return u
+}
+
+type userDo struct{ gen.DO }
+
+func (u userDo) Debug() *userDo {
+	return u.withDO(u.DO.Debug())
+}
+
+func (u userDo) WithContext(ctx context.Context) *userDo {
+	return u.withDO(u.DO.WithContext(ctx))
+}
+
+func (u userDo) ReadDB() *userDo {
+	return u.Clauses(dbresolver.Read)
+}
+
+func (u userDo) WriteDB() *userDo {
+	return u.Clauses(dbresolver.Write)
+}
+
+func (u userDo) Session(config *gorm.Session) *userDo {
+	return u.withDO(u.DO.Session(config))
+}
+
+func (u userDo) Clauses(conds ...clause.Expression) *userDo {
+	return u.withDO(u.DO.Clauses(conds...))
+}
+
+func (u userDo) Returning(value interface{}, columns ...string) *userDo {
+	return u.withDO(u.DO.Returning(value, columns...))
+}
+
+func (u userDo) Not(conds ...gen.Condition) *userDo {
+	return u.withDO(u.DO.Not(conds...))
+}
+
+func (u userDo) Or(conds ...gen.Condition) *userDo {
+	return u.withDO(u.DO.Or(conds...))
+}
+
+func (u userDo) Select(conds ...field.Expr) *userDo {
+	return u.withDO(u.DO.Select(conds...))
+}
+
+func (u userDo) Where(conds ...gen.Condition) *userDo {
+	return u.withDO(u.DO.Where(conds...))
+}
+
+func (u userDo) Order(conds ...field.Expr) *userDo {
+	return u.withDO(u.DO.Order(conds...))
+}
+
+func (u userDo) Distinct(cols ...field.Expr) *userDo {
+	return u.withDO(u.DO.Distinct(cols...))
+}
+
+func (u userDo) Omit(cols ...field.Expr) *userDo {
+	return u.withDO(u.DO.Omit(cols...))
+}
+
+func (u userDo) Join(table schema.Tabler, on ...field.Expr) *userDo {
+	return u.withDO(u.DO.Join(table, on...))
+}
+
+func (u userDo) LeftJoin(table schema.Tabler, on ...field.Expr) *userDo {
+	return u.withDO(u.DO.LeftJoin(table, on...))
+}
+
+func (u userDo) RightJoin(table schema.Tabler, on ...field.Expr) *userDo {
+	return u.withDO(u.DO.RightJoin(table, on...))
+}
+
+func (u userDo) Group(cols ...field.Expr) *userDo {
+	return u.withDO(u.DO.Group(cols...))
+}
+
+func (u userDo) Having(conds ...gen.Condition) *userDo {
+	return u.withDO(u.DO.Having(conds...))
+}
+
+func (u userDo) Limit(limit int) *userDo {
+	return u.withDO(u.DO.Limit(limit))
+}
+
+func (u userDo) Offset(offset int) *userDo {
+	return u.withDO(u.DO.Offset(offset))
+}
+
+func (u userDo) Scopes(funcs ...func(gen.Dao) gen.Dao) *userDo {
+	return u.withDO(u.DO.Scopes(funcs...))
+}
+
+func (u userDo) Unscoped() *userDo {
+	return u.withDO(u.DO.Unscoped())
+}
+
+func (u userDo) Create(values ...*model.User) error {
+	if len(values) == 0 {
+		return nil
+	}
+	return u.DO.Create(values)
+}
+
+func (u userDo) CreateInBatches(values []*model.User, batchSize int) error {
+	return u.DO.CreateInBatches(values, batchSize)
+}
+
+// Save : !!! underlying implementation is different with GORM
+// The method is equivalent to executing the statement: db.Clauses(clause.OnConflict{UpdateAll: true}).Create(values)
+func (u userDo) Save(values ...*model.User) error {
+	if len(values) == 0 {
+		return nil
+	}
+	return u.DO.Save(values)
+}
+
+func (u userDo) First() (*model.User, error) {
+	if result, err := u.DO.First(); err != nil {
+		return nil, err
+	} else {
+		return result.(*model.User), nil
+	}
+}
+
+func (u userDo) Take() (*model.User, error) {
+	if result, err := u.DO.Take(); err != nil {
+		return nil, err
+	} else {
+		return result.(*model.User), nil
+	}
+}
+
+func (u userDo) Last() (*model.User, error) {
+	if result, err := u.DO.Last(); err != nil {
+		return nil, err
+	} else {
+		return result.(*model.User), nil
+	}
+}
+
+func (u userDo) Find() ([]*model.User, error) {
+	result, err := u.DO.Find()
+	return result.([]*model.User), err
+}
+
+func (u userDo) FindInBatch(batchSize int, fc func(tx gen.Dao, batch int) error) (results []*model.User, err error) {
+	buf := make([]*model.User, 0, batchSize)
+	err = u.DO.FindInBatches(&buf, batchSize, func(tx gen.Dao, batch int) error {
+		defer func() { results = append(results, buf...) }()
+		return fc(tx, batch)
+	})
+	return results, err
+}
+
+func (u userDo) FindInBatches(result *[]*model.User, batchSize int, fc func(tx gen.Dao, batch int) error) error {
+	return u.DO.FindInBatches(result, batchSize, fc)
+}
+
+func (u userDo) Attrs(attrs ...field.AssignExpr) *userDo {
+	return u.withDO(u.DO.Attrs(attrs...))
+}
+
+func (u userDo) Assign(attrs ...field.AssignExpr) *userDo {
+	return u.withDO(u.DO.Assign(attrs...))
+}
+
+func (u userDo) Joins(fields ...field.RelationField) *userDo {
+	for _, _f := range fields {
+		u = *u.withDO(u.DO.Joins(_f))
+	}
+	return &u
+}
+
+func (u userDo) Preload(fields ...field.RelationField) *userDo {
+	for _, _f := range fields {
+		u = *u.withDO(u.DO.Preload(_f))
+	}
+	return &u
+}
+
+func (u userDo) FirstOrInit() (*model.User, error) {
+	if result, err := u.DO.FirstOrInit(); err != nil {
+		return nil, err
+	} else {
+		return result.(*model.User), nil
+	}
+}
+
+func (u userDo) FirstOrCreate() (*model.User, error) {
+	if result, err := u.DO.FirstOrCreate(); err != nil {
+		return nil, err
+	} else {
+		return result.(*model.User), nil
+	}
+}
+
+func (u userDo) FindByPage(offset int, limit int) (result []*model.User, count int64, err error) {
+	result, err = u.Offset(offset).Limit(limit).Find()
+	if err != nil {
+		return
+	}
+
+	if size := len(result); 0 < limit && 0 < size && size < limit {
+		count = int64(size + offset)
+		return
+	}
+
+	count, err = u.Offset(-1).Limit(-1).Count()
+	return
+}
+
+func (u userDo) ScanByPage(result interface{}, offset int, limit int) (count int64, err error) {
+	count, err = u.Count()
+	if err != nil {
+		return
+	}
+
+	err = u.Offset(offset).Limit(limit).Scan(result)
+	return
+}
+
+func (u userDo) Scan(result interface{}) (err error) {
+	return u.DO.Scan(result)
+}
+
+func (u userDo) Delete(models ...*model.User) (result gen.ResultInfo, err error) {
+	return u.DO.Delete(models)
+}
+
+func (u *userDo) withDO(do gen.Dao) *userDo {
+	u.DO = *do.(*gen.DO)
+	return u
+}