wrapper_client 面向接口实现

abstract/wrapper_client.go

@@ -8,8 +8,10 @@
 package abstract
 
 import (
+	"context"
 	"git.zhangdeman.cn/zhangdeman/database/define"
 	"go.uber.org/zap"
+	"gorm.io/gorm"
 )
 
 // IWrapperClient 包装的客户端
@@ -24,4 +26,10 @@ type IWrapperClient interface {
 	AddWithConfig(flag string, logInstance *zap.Logger, databaseConfig *define.Database, extraFieldList []string) error
 	// BatchAddWithConfigDir 通过具体的配置列表增加数据库实例
 	BatchAddWithConfigDir(cfgDir string, logInstance *zap.Logger, extraFieldList []string) error
+	// GetDBClient 基于数据库标识获取数据库实例
+	GetDBClient(dbFlag string) (*define.DBClient, error)
+	// GetMasterClient 获取主库连接
+	GetMasterClient(ctx context.Context, dbFlag string) (*gorm.DB, error)
+	// GetSlaveClient 获取从库连接
+	GetSlaveClient(ctx context.Context, dbFlag string) (*gorm.DB, error)
 }

define/db_client.go

@@ -9,8 +9,12 @@ package define
 
 import (
 	"context"
+	"fmt"
+	"git.zhangdeman.cn/zhangdeman/consts"
 	"git.zhangdeman.cn/zhangdeman/logger/wrapper"
 	"go.uber.org/zap"
+	"gorm.io/driver/mysql"
+	"gorm.io/driver/sqlite"
 	"gorm.io/gorm"
 	gormLogger "gorm.io/gorm/logger"
 )
@@ -29,13 +33,29 @@ type DBClient struct {
 	Cfg            Driver      // 数据库配置
 }
 
+// Init 初始化客户端
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 17:44 2024/8/20
+func (dc *DBClient) Init(databaseConfig *Database) error {
+	var err error
+	if dc.master, err = dc.GetDatabaseClient(databaseConfig.Master, dc.LoggerInstance); nil != err {
+		return err
+	}
+	if dc.slave, err = dc.GetDatabaseClient(databaseConfig.Slave, dc.LoggerInstance); nil != err {
+		return err
+	}
+	return nil
+}
+
 // SetFlag 设置数据库标识
 //
 // Author : go_developer@163.com<白茶清欢>
 //
 // Date : 16:18 2022/6/5
 func (dc *DBClient) SetFlag(dbFlag string) {
-	dc.dbFlag = dbFlag
+	dc.DbFlag = dbFlag
 }
 
 // GetMaster 获取主库连接
@@ -66,5 +86,55 @@ func (dc *DBClient) GetSlave(ctx context.Context) *gorm.DB {
 //
 // Date : 3:45 PM 2021/12/24
 func (dc *DBClient) getLogger(ctx context.Context, dbClient *gorm.DB, node string) gormLogger.Interface {
-	return wrapper.NewGormLoggerWithInstance(ctx, dbClient, dc.loggerInstance, dc.dbFlag+"|"+node, dc.extraFieldList)
+	return wrapper.NewGormLoggerWithInstance(ctx, dbClient, dc.LoggerInstance, dc.DbFlag+"|"+node, dc.ExtraFieldList)
+}
+
+// GetDatabaseClient 获取数据库连接
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 18:41 2022/6/11
+func (dc *DBClient) GetDatabaseClient(conf *Driver, logInstance *zap.Logger) (*gorm.DB, error) {
+	var (
+		instance *gorm.DB
+		err      error
+	)
+
+	if conf.DBType == consts.DatabaseDriverMysql {
+		if instance, err = gorm.Open(mysql.Open(dc.buildConnectionDSN(conf)), &gorm.Config{}); nil != err {
+			return nil, err
+		}
+	} else if conf.DBType == consts.DatabaseDriverSqlite3 {
+		if instance, err = gorm.Open(sqlite.Open(dc.buildConnectionDSN(conf)), &gorm.Config{}); nil != err {
+			return nil, err
+		}
+	} else {
+		return nil, fmt.Errorf("%v : db driver is not support", conf.DBType)
+	}
+
+	instance.Logger = wrapper.NewGormLoggerWithInstance(nil, instance, logInstance, "", nil)
+
+	return instance, nil
+}
+
+// buildConnectionDSN 构建连接信息
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 18:42 2022/6/11
+func (dc *DBClient) buildConnectionDSN(conf *Driver) string {
+	if conf.DBType == consts.DatabaseDriverSqlite3 {
+		// 兼容sqlite3
+		return conf.Host
+	}
+	return fmt.Sprintf(
+		"%s:%s@tcp(%s:%d)/%s?charset=%s&parseTime=True&loc=%s",
+		conf.Username,
+		conf.Password,
+		conf.Host,
+		conf.Port,
+		conf.Database,
+		conf.Charset,
+		conf.Timezone,
+	)
 }

wrapper_client.go

@@ -12,33 +12,35 @@ import (
 	"errors"
 	"fmt"
 	"git.zhangdeman.cn/zhangdeman/consts"
+	"git.zhangdeman.cn/zhangdeman/database/abstract"
 	"git.zhangdeman.cn/zhangdeman/database/define"
 	"git.zhangdeman.cn/zhangdeman/serialize"
 	"path/filepath"
 	"strings"
 	"sync"
 
-	"git.zhangdeman.cn/zhangdeman/logger/wrapper"
 	"go.uber.org/zap"
 
-	"gorm.io/driver/mysql"
-	"gorm.io/driver/sqlite"
 	"gorm.io/gorm"
 )
 
 var (
-	// Client mysql客户端
+	// WrapperClient 包装后的数据库客户端
-	Client *client
+	WrapperClient abstract.IWrapperClient
 )
 
 func init() {
-	Client = &client{
+	WrapperClient = NewWrapperClient()
+}
+
+func NewWrapperClient() *wrapperClient {
+	return &wrapperClient{
 		lock:        &sync.RWMutex{},
 		clientTable: make(map[string]*define.DBClient),
 	}
 }
 
-type client struct {
+type wrapperClient struct {
 	lock        *sync.RWMutex
 	clientTable map[string]*define.DBClient
 	logger      *zap.Logger
@@ -49,7 +51,7 @@ type client struct {
 // Author : go_developer@163.com<白茶清欢>
 //
 // Date : 19:19 2022/6/5
-func (c *client) AddWithConfigFile(cfgFilePath string, logInstance *zap.Logger, extraFieldList []string) error {
+func (c *wrapperClient) AddWithConfigFile(cfgFilePath string, logInstance *zap.Logger, extraFieldList []string) error {
 	var (
 		err error
 		cfg *define.CfgFile
@@ -70,24 +72,19 @@ func (c *client) AddWithConfigFile(cfgFilePath string, logInstance *zap.Logger,
 // Author : go_developer@163.com<白茶清欢>
 //
 // Date : 20:41 2023/4/18
-func (c *client) AddWithConfig(flag string, logInstance *zap.Logger, databaseConfig *define.Database, extraFieldList []string) error {
+func (c *wrapperClient) AddWithConfig(flag string, logInstance *zap.Logger, databaseConfig *define.Database, extraFieldList []string) error {
 	dbClient := &define.DBClient{
 		DbFlag:         flag,
 		LoggerInstance: logInstance,
-		master:         nil,
-		slave:          nil,
 		ExtraFieldList: extraFieldList,
 		Cfg:            define.Driver{},
 	}
-	var err error
+
-	if dbClient.master, err = c.GetDatabaseClient(databaseConfig.Master, logInstance); nil != err {
+	if err := dbClient.Init(databaseConfig); nil != err {
-		return err
-	}
-	if dbClient.slave, err = c.GetDatabaseClient(databaseConfig.Slave, logInstance); nil != err {
 		return err
 	}
 	c.lock.Lock()
-	c.clientTable[dbClient.dbFlag] = dbClient
+	c.clientTable[dbClient.DbFlag] = dbClient
 	c.lock.Unlock()
 	return nil
 }
@@ -97,7 +94,7 @@ func (c *client) AddWithConfig(flag string, logInstance *zap.Logger, databaseCon
 // Author : go_developer@163.com<白茶清欢>
 //
 // Date : 19:19 2022/6/5
-func (c *client) BatchAddWithConfigDir(cfgDir string, logInstance *zap.Logger, extraFieldList []string) error {
+func (c *wrapperClient) BatchAddWithConfigDir(cfgDir string, logInstance *zap.Logger, extraFieldList []string) error {
 	filepathNames, _ := filepath.Glob(filepath.Join(cfgDir, "*"))
 	for i := range filepathNames {
 		if err := c.AddWithConfigFile(filepathNames[i], logInstance, extraFieldList); nil != err {
@@ -112,7 +109,7 @@ func (c *client) BatchAddWithConfigDir(cfgDir string, logInstance *zap.Logger, e
 // Author : go_developer@163.com<白茶清欢>
 //
 // Date : 18:05 2022/6/11
-func (c *client) getCfg(cfgPath string) (*define.CfgFile, error) {
+func (c *wrapperClient) getCfg(cfgPath string) (*define.CfgFile, error) {
 	fileArr := strings.Split(cfgPath, ".")
 	if len(fileArr) < 2 {
 		// 获取不到类型
@@ -161,7 +158,7 @@ func (c *client) getCfg(cfgPath string) (*define.CfgFile, error) {
 // Author : go_developer@163.com<白茶清欢>
 //
 // Date : 19:32 2022/6/5
-func (c *client) GetDBClient(dbFlag string) (*define.DBClient, error) {
+func (c *wrapperClient) GetDBClient(dbFlag string) (*define.DBClient, error) {
 	c.lock.RLock()
 	defer c.lock.RUnlock()
 	var (
@@ -179,7 +176,7 @@ func (c *client) GetDBClient(dbFlag string) (*define.DBClient, error) {
 // Author : go_developer@163.com<白茶清欢>
 //
 // Date : 19:36 2022/6/5
-func (c *client) GetMasterClient(ctx context.Context, dbFlag string) (*gorm.DB, error) {
+func (c *wrapperClient) GetMasterClient(ctx context.Context, dbFlag string) (*gorm.DB, error) {
 	var (
 		err      error
 		dbClient *define.DBClient
@@ -195,7 +192,7 @@ func (c *client) GetMasterClient(ctx context.Context, dbFlag string) (*gorm.DB,
 // Author : go_developer@163.com<白茶清欢>
 //
 // Date : 19:37 2022/6/5
-func (c *client) GetSlaveClient(ctx context.Context, dbFlag string) (*gorm.DB, error) {
+func (c *wrapperClient) GetSlaveClient(ctx context.Context, dbFlag string) (*gorm.DB, error) {
 	var (
 		err      error
 		dbClient *define.DBClient
@@ -212,56 +209,6 @@ func (c *client) GetSlaveClient(ctx context.Context, dbFlag string) (*gorm.DB, e
 // Author : go_developer@163.com<白茶清欢>
 //
 // Date : 11:24 2022/6/6
-func (c *client) getGormClient() (*gorm.DB, error) {
+func (c *wrapperClient) getGormClient() (*gorm.DB, error) {
 	return nil, nil
 }
-
-// GetDatabaseClient 获取数据库连接
-//
-// Author : go_developer@163.com<白茶清欢>
-//
-// Date : 18:41 2022/6/11
-func (c *client) GetDatabaseClient(conf *define.Driver, logInstance *zap.Logger) (*gorm.DB, error) {
-	var (
-		instance *gorm.DB
-		err      error
-	)
-
-	if conf.DBType == consts.DatabaseDriverMysql {
-		if instance, err = gorm.Open(mysql.Open(c.buildConnectionDSN(conf)), &gorm.Config{}); nil != err {
-			return nil, err
-		}
-	} else if conf.DBType == consts.DatabaseDriverSqlite3 {
-		if instance, err = gorm.Open(sqlite.Open(c.buildConnectionDSN(conf)), &gorm.Config{}); nil != err {
-			return nil, err
-		}
-	} else {
-		return nil, fmt.Errorf("%v : db driver is not support", conf.DBType)
-	}
-
-	instance.Logger = wrapper.NewGormLoggerWithInstance(nil, instance, logInstance, "", nil)
-
-	return instance, nil
-}
-
-// buildConnectionDSN 构建连接信息
-//
-// Author : go_developer@163.com<白茶清欢>
-//
-// Date : 18:42 2022/6/11
-func (c *client) buildConnectionDSN(conf *define.Driver) string {
-	if conf.DBType == consts.DatabaseDriverSqlite3 {
-		// 兼容sqlite3
-		return conf.Host
-	}
-	return fmt.Sprintf(
-		"%s:%s@tcp(%s:%d)/%s?charset=%s&parseTime=True&loc=%s",
-		conf.Username,
-		conf.Password,
-		conf.Host,
-		conf.Port,
-		conf.Database,
-		conf.Charset,
-		conf.Timezone,
-	)
-}