133 lines
3.5 KiB
Go
133 lines
3.5 KiB
Go
package system
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import (
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"context"
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"errors"
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"path/filepath"
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"github.com/go-kratos/kratos/v2/log"
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"gorm.io/driver/sqlserver"
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"gorm.io/gorm"
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)
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// MssqlConfig MSSQL配置
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type MssqlConfig struct {
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Path string
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Port string
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Config string
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Dbname string
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Username string
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Password string
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MaxIdleConns int
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MaxOpenConns int
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LogMode string
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}
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// Dsn 生成MSSQL DSN
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func (c *MssqlConfig) Dsn() string {
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return "sqlserver://" + c.Username + ":" + c.Password + "@" + c.Path + ":" + c.Port + "?database=" + c.Dbname + "&encrypt=disable"
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}
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// MssqlInitHandler MSSQL初始化处理器
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type MssqlInitHandler struct {
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log *log.Helper
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configWriter func(ctx context.Context, dbType string, config interface{}) error
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}
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// NewMssqlInitHandler 创建MSSQL初始化处理器
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func NewMssqlInitHandler(logger *log.Helper, configWriter func(ctx context.Context, dbType string, config interface{}) error) *MssqlInitHandler {
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return &MssqlInitHandler{
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log: logger,
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configWriter: configWriter,
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}
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}
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// WriteConfig mssql回写配置
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func (h *MssqlInitHandler) WriteConfig(ctx context.Context) error {
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c, ok := ctx.Value("config").(MssqlConfig)
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if !ok {
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return errors.New("mssql config invalid")
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}
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if h.configWriter != nil {
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return h.configWriter(ctx, "mssql", c)
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}
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return nil
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}
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// EnsureDB 创建数据库并初始化 mssql
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func (h *MssqlInitHandler) EnsureDB(ctx context.Context, conf *InitDBRequest) (next context.Context, err error) {
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if s, ok := ctx.Value("dbtype").(string); !ok || s != "mssql" {
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return ctx, ErrDBTypeMismatch
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}
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c := h.toMssqlConfig(conf)
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next = context.WithValue(ctx, "config", c)
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if c.Dbname == "" {
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return ctx, nil
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} // 如果没有数据库名, 则跳出初始化数据
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dsn := h.mssqlEmptyDsn(conf)
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mssqlConfig := sqlserver.Config{
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DSN: dsn, // DSN data source name
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DefaultStringSize: 191, // string 类型字段的默认长度
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}
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var db *gorm.DB
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if db, err = gorm.Open(sqlserver.New(mssqlConfig), &gorm.Config{DisableForeignKeyConstraintWhenMigrating: true}); err != nil {
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return nil, err
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}
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// 设置AutoCode根目录
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autoCodeRoot, _ := filepath.Abs("..")
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next = context.WithValue(next, "autoCodeRoot", autoCodeRoot)
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next = context.WithValue(next, "db", db)
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return next, err
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}
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// InitTables 初始化表
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func (h *MssqlInitHandler) InitTables(ctx context.Context, inits InitSlice) error {
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return createTables(ctx, inits)
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}
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// InitData 初始化数据
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func (h *MssqlInitHandler) InitData(ctx context.Context, inits InitSlice) error {
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next, cancel := context.WithCancel(ctx)
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defer cancel()
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for _, init := range inits {
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if init.DataInserted(next) {
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h.log.Infof(InitDataExist, Mssql, init.InitializerName())
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continue
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}
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if n, err := init.InitializeData(next); err != nil {
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h.log.Errorf(InitDataFailed, Mssql, init.InitializerName(), err)
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return err
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} else {
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next = n
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h.log.Infof(InitDataSuccess, Mssql, init.InitializerName())
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}
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}
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h.log.Infof(InitSuccess, Mssql)
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return nil
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}
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// mssqlEmptyDsn mssql 空数据库 建库链接
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func (h *MssqlInitHandler) mssqlEmptyDsn(i *InitDBRequest) string {
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return "sqlserver://" + i.UserName + ":" + i.Password + "@" + i.Host + ":" + i.Port + "?database=" + i.DBName + "&encrypt=disable"
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}
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// toMssqlConfig 转换为MSSQL配置
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func (h *MssqlInitHandler) toMssqlConfig(i *InitDBRequest) MssqlConfig {
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return MssqlConfig{
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Path: i.Host,
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Port: i.Port,
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Dbname: i.DBName,
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Username: i.UserName,
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Password: i.Password,
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MaxIdleConns: 10,
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MaxOpenConns: 100,
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LogMode: "error",
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}
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}
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