mirror of
https://gitee.com/dromara/mayfly-go
synced 2025-11-02 23:40:24 +08:00
381 lines
11 KiB
Go
381 lines
11 KiB
Go
package api
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import (
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"context"
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"fmt"
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"mayfly-go/internal/db/api/form"
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"mayfly-go/internal/db/api/vo"
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"mayfly-go/internal/db/application"
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"mayfly-go/internal/db/application/dto"
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"mayfly-go/internal/db/config"
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"mayfly-go/internal/db/dbm/dbi"
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"mayfly-go/internal/db/dbm/sqlparser"
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"mayfly-go/internal/db/domain/entity"
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"mayfly-go/internal/event"
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msgapp "mayfly-go/internal/msg/application"
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msgdto "mayfly-go/internal/msg/application/dto"
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tagapp "mayfly-go/internal/tag/application"
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tagentity "mayfly-go/internal/tag/domain/entity"
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"mayfly-go/pkg/biz"
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"mayfly-go/pkg/global"
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"mayfly-go/pkg/logx"
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"mayfly-go/pkg/model"
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"mayfly-go/pkg/req"
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"mayfly-go/pkg/utils/anyx"
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"mayfly-go/pkg/utils/collx"
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"mayfly-go/pkg/utils/cryptox"
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"mayfly-go/pkg/utils/stringx"
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"mayfly-go/pkg/utils/writerx"
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"mayfly-go/pkg/ws"
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"strings"
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"time"
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"github.com/may-fly/cast"
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)
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type Db struct {
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InstanceApp application.Instance `inject:"DbInstanceApp"`
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DbApp application.Db `inject:""`
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DbSqlExecApp application.DbSqlExec `inject:""`
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MsgApp msgapp.Msg `inject:""`
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TagApp tagapp.TagTree `inject:"TagTreeApp"`
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}
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// @router /api/dbs [get]
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func (d *Db) Dbs(rc *req.Ctx) {
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queryCond, page := req.BindQueryAndPage[*entity.DbQuery](rc, new(entity.DbQuery))
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// 不存在可访问标签id，即没有可操作数据
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codes := d.TagApp.GetAccountTagCodes(rc.GetLoginAccount().Id, int8(tagentity.TagTypeDbName), queryCond.TagPath)
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if len(codes) == 0 {
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rc.ResData = model.EmptyPageResult[any]()
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return
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}
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queryCond.Codes = codes
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var dbvos []*vo.DbListVO
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res, err := d.DbApp.GetPageList(queryCond, page, &dbvos)
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biz.ErrIsNil(err)
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instances, _ := d.InstanceApp.GetByIds(collx.ArrayMap(dbvos, func(i *vo.DbListVO) uint64 {
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return i.InstanceId
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}))
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instancesMap := collx.ArrayToMap(instances, func(i *entity.DbInstance) uint64 {
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return i.Id
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})
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for _, dbvo := range dbvos {
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di := instancesMap[dbvo.InstanceId]
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if di != nil {
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dbvo.InstanceCode = di.Code
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dbvo.InstanceType = di.Type
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dbvo.Host = di.Host
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dbvo.Port = di.Port
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}
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}
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rc.ResData = res
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}
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func (d *Db) Save(rc *req.Ctx) {
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form := &form.DbForm{}
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db := req.BindJsonAndCopyTo[*entity.Db](rc, form, new(entity.Db))
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rc.ReqParam = form
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biz.ErrIsNil(d.DbApp.SaveDb(rc.MetaCtx, db))
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}
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func (d *Db) DeleteDb(rc *req.Ctx) {
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idsStr := rc.PathParam("dbId")
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rc.ReqParam = idsStr
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ids := strings.Split(idsStr, ",")
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ctx := rc.MetaCtx
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for _, v := range ids {
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dbId := cast.ToUint64(v)
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biz.NotBlank(dbId, "存在错误dbId")
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biz.ErrIsNil(d.DbApp.Delete(ctx, dbId))
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}
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}
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/** 数据库操作相关、执行sql等 ***/
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func (d *Db) ExecSql(rc *req.Ctx) {
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form := req.BindJsonAndValid(rc, new(form.DbSqlExecForm))
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dbId := getDbId(rc)
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dbConn, err := d.DbApp.GetDbConn(dbId, form.Db)
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biz.ErrIsNil(err)
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biz.ErrIsNilAppendErr(d.TagApp.CanAccess(rc.GetLoginAccount().Id, dbConn.Info.CodePath...), "%s")
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global.EventBus.Publish(rc.MetaCtx, event.EventTopicResourceOp, dbConn.Info.CodePath[0])
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sqlStr, err := cryptox.AesDecryptByLa(form.Sql, rc.GetLoginAccount())
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biz.ErrIsNilAppendErr(err, "sql解码失败: %s")
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rc.ReqParam = fmt.Sprintf("%s %s\n-> %s", dbConn.Info.GetLogDesc(), form.ExecId, sqlStr)
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biz.NotEmpty(form.Sql, "sql不能为空")
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execReq := &application.DbSqlExecReq{
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DbId: dbId,
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Db: form.Db,
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Remark: form.Remark,
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DbConn: dbConn,
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Sql: sqlStr,
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CheckFlow: true,
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}
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ctx, cancel := context.WithTimeout(rc.MetaCtx, time.Duration(config.GetDbms().SqlExecTl)*time.Second)
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defer cancel()
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execRes, err := d.DbSqlExecApp.Exec(ctx, execReq)
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biz.ErrIsNil(err)
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rc.ResData = execRes
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}
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// progressCategory sql文件执行进度消息类型
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const progressCategory = "execSqlFileProgress"
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// progressMsg sql文件执行进度消息
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type progressMsg struct {
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Id string `json:"id"`
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Title string `json:"title"`
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ExecutedStatements int `json:"executedStatements"`
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Terminated bool `json:"terminated"`
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}
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// 执行sql文件
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func (d *Db) ExecSqlFile(rc *req.Ctx) {
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multipart, err := rc.GetRequest().MultipartReader()
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biz.ErrIsNilAppendErr(err, "读取sql文件失败: %s")
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file, err := multipart.NextPart()
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biz.ErrIsNilAppendErr(err, "读取sql文件失败: %s")
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defer file.Close()
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filename := file.FileName()
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dbId := getDbId(rc)
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dbName := getDbName(rc)
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clientId := rc.Query("clientId")
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dbConn, err := d.DbApp.GetDbConn(dbId, dbName)
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biz.ErrIsNil(err)
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biz.ErrIsNilAppendErr(d.TagApp.CanAccess(rc.GetLoginAccount().Id, dbConn.Info.CodePath...), "%s")
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rc.ReqParam = fmt.Sprintf("filename: %s -> %s", filename, dbConn.Info.GetLogDesc())
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defer func() {
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if err := recover(); err != nil {
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errInfo := anyx.ToString(err)
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if len(errInfo) > 300 {
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errInfo = errInfo[:300] + "..."
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}
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d.MsgApp.CreateAndSend(rc.GetLoginAccount(), msgdto.ErrSysMsg("sql脚本执行失败", fmt.Sprintf("[%s][%s]执行失败: [%s]", filename, dbConn.Info.GetLogDesc(), errInfo)).WithClientId(clientId))
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}
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}()
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executedStatements := 0
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progressId := stringx.Rand(32)
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laId := rc.GetLoginAccount().Id
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defer ws.SendJsonMsg(ws.UserId(laId), clientId, msgdto.InfoSysMsg("sql脚本执行进度", &progressMsg{
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Id: progressId,
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Title: filename,
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ExecutedStatements: executedStatements,
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Terminated: true,
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}).WithCategory(progressCategory))
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ticker := time.NewTicker(time.Second * 1)
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defer ticker.Stop()
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err = sqlparser.SQLSplit(file, func(sql string) error {
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select {
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case <-ticker.C:
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ws.SendJsonMsg(ws.UserId(laId), clientId, msgdto.InfoSysMsg("sql脚本执行进度", &progressMsg{
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Id: progressId,
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Title: filename,
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ExecutedStatements: executedStatements,
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Terminated: false,
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}).WithCategory(progressCategory))
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default:
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}
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executedStatements++
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_, err = dbConn.Exec(sql)
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return err
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})
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biz.ErrIsNilAppendErr(err, "%s")
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d.MsgApp.CreateAndSend(rc.GetLoginAccount(), msgdto.SuccessSysMsg("sql脚本执行成功", fmt.Sprintf("sql脚本执行完成：%s", rc.ReqParam)).WithClientId(clientId))
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}
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// 数据库dump
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func (d *Db) DumpSql(rc *req.Ctx) {
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dbId := getDbId(rc)
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dbName := rc.Query("db")
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dumpType := rc.Query("type")
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tablesStr := rc.Query("tables")
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extName := rc.Query("extName")
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switch extName {
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case ".gz", ".gzip", "gz", "gzip":
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extName = ".gz"
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default:
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extName = ""
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}
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// 是否需要导出表结构
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needStruct := dumpType == "1" || dumpType == "3"
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// 是否需要导出数据
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needData := dumpType == "2" || dumpType == "3"
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la := rc.GetLoginAccount()
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dbConn, err := d.DbApp.GetDbConn(dbId, dbName)
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biz.ErrIsNil(err)
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biz.ErrIsNilAppendErr(d.TagApp.CanAccess(la.Id, dbConn.Info.CodePath...), "%s")
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now := time.Now()
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filename := fmt.Sprintf("%s-%s.%s.sql%s", dbConn.Info.Name, dbName, now.Format("20060102150405"), extName)
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rc.Header("Content-Type", "application/octet-stream")
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rc.Header("Content-Disposition", "attachment; filename="+filename)
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if extName != ".gz" {
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rc.Header("Content-Encoding", "gzip")
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}
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var tables []string
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if len(tablesStr) > 0 {
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tables = strings.Split(tablesStr, ",")
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}
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defer func() {
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msg := anyx.ToString(recover())
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if len(msg) > 0 {
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msg = "数据库导出失败: " + msg
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rc.GetWriter().Write([]byte(msg))
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d.MsgApp.CreateAndSend(la, msgdto.ErrSysMsg("数据库导出失败", msg))
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}
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}()
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biz.ErrIsNil(d.DbApp.DumpDb(rc.MetaCtx, &dto.DumpDb{
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DbId: dbId,
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DbName: dbName,
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Tables: tables,
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DumpDDL: needStruct,
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DumpData: needData,
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Writer: writerx.NewGzipWriter(rc.GetWriter()),
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}))
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rc.ReqParam = collx.Kvs("db", dbConn.Info, "database", dbName, "tables", tablesStr, "dumpType", dumpType)
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}
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func (d *Db) TableInfos(rc *req.Ctx) {
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res, err := d.getDbConn(rc).GetMetaData().GetTables()
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biz.ErrIsNilAppendErr(err, "获取表信息失败: %s")
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rc.ResData = res
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}
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func (d *Db) TableIndex(rc *req.Ctx) {
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tn := rc.Query("tableName")
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biz.NotEmpty(tn, "tableName不能为空")
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res, err := d.getDbConn(rc).GetMetaData().GetTableIndex(tn)
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biz.ErrIsNilAppendErr(err, "获取表索引信息失败: %s")
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rc.ResData = res
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}
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// @router /api/db/:dbId/c-metadata [get]
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func (d *Db) ColumnMA(rc *req.Ctx) {
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tn := rc.Query("tableName")
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biz.NotEmpty(tn, "tableName不能为空")
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dbi := d.getDbConn(rc)
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res, err := dbi.GetMetaData().GetColumns(tn)
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biz.ErrIsNilAppendErr(err, "获取数据库列信息失败: %s")
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rc.ResData = res
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}
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// @router /api/db/:dbId/hint-tables [get]
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func (d *Db) HintTables(rc *req.Ctx) {
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dbi := d.getDbConn(rc)
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metadata := dbi.GetMetaData()
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// 获取所有表
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tables, err := metadata.GetTables()
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biz.ErrIsNil(err)
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tableNames := make([]string, 0)
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for _, v := range tables {
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tableNames = append(tableNames, v.TableName)
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}
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// key = 表名，value = 列名数组
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res := make(map[string][]string)
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// 表为空，则直接返回
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if len(tableNames) == 0 {
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rc.ResData = res
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return
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}
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// 获取所有表下的所有列信息
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columnMds, err := metadata.GetColumns(tableNames...)
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biz.ErrIsNil(err)
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for _, v := range columnMds {
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tName := v.TableName
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if res[tName] == nil {
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res[tName] = make([]string, 0)
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}
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columnName := fmt.Sprintf("%s [%s]", v.ColumnName, v.GetColumnType())
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comment := v.ColumnComment
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// 如果字段备注不为空，则加上备注信息
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if comment != "" {
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columnName = fmt.Sprintf("%s[%s]", columnName, comment)
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}
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res[tName] = append(res[tName], columnName)
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}
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rc.ResData = res
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}
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func (d *Db) GetTableDDL(rc *req.Ctx) {
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tn := rc.Query("tableName")
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biz.NotEmpty(tn, "tableName不能为空")
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res, err := d.getDbConn(rc).GetMetaData().GetTableDDL(tn, false)
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biz.ErrIsNilAppendErr(err, "获取表ddl失败: %s")
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rc.ResData = res
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}
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func (d *Db) GetVersion(rc *req.Ctx) {
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version := d.getDbConn(rc).GetMetaData().GetCompatibleDbVersion()
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rc.ResData = version
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}
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func (d *Db) GetSchemas(rc *req.Ctx) {
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res, err := d.getDbConn(rc).GetMetaData().GetSchemas()
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biz.ErrIsNilAppendErr(err, "获取schemas失败: %s")
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rc.ResData = res
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}
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func (d *Db) CopyTable(rc *req.Ctx) {
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form := &form.DbCopyTableForm{}
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copy := req.BindJsonAndCopyTo[*dbi.DbCopyTable](rc, form, new(dbi.DbCopyTable))
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conn, err := d.DbApp.GetDbConn(form.Id, form.Db)
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biz.ErrIsNilAppendErr(err, "拷贝表失败: %s")
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err = conn.GetDialect().CopyTable(copy)
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if err != nil {
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logx.Errorf("拷贝表失败: %s", err.Error())
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}
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biz.ErrIsNilAppendErr(err, "拷贝表失败: %s")
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}
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func getDbId(rc *req.Ctx) uint64 {
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dbId := rc.PathParamInt("dbId")
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biz.IsTrue(dbId > 0, "dbId错误")
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return uint64(dbId)
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}
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func getDbName(rc *req.Ctx) string {
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db := rc.Query("db")
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biz.NotEmpty(db, "db不能为空")
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return db
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}
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func (d *Db) getDbConn(rc *req.Ctx) *dbi.DbConn {
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dc, err := d.DbApp.GetDbConn(getDbId(rc), getDbName(rc))
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biz.ErrIsNil(err)
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return dc
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}
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