mirror of
https://gitee.com/dromara/mayfly-go
synced 2025-11-02 23:40:24 +08:00
451 lines
12 KiB
Go
451 lines
12 KiB
Go
package api
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import (
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"fmt"
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"io"
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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/domain/entity"
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sysapp "mayfly-go/internal/sys/application"
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tagapp "mayfly-go/internal/tag/application"
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"mayfly-go/pkg/biz"
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"mayfly-go/pkg/ginx"
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"mayfly-go/pkg/model"
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"mayfly-go/pkg/req"
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"mayfly-go/pkg/utils"
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"mayfly-go/pkg/ws"
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"strconv"
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"strings"
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"time"
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"github.com/gin-gonic/gin"
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"github.com/xwb1989/sqlparser"
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)
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type Db struct {
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DbApp application.Db
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DbSqlExecApp application.DbSqlExec
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MsgApp sysapp.Msg
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TagApp tagapp.TagTree
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}
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const DEFAULT_ROW_SIZE = 5000
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// @router /api/dbs [get]
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func (d *Db) Dbs(rc *req.Ctx) {
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condition := new(entity.DbQuery)
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condition.TagPathLike = rc.GinCtx.Query("tagPath")
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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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tagIds := d.TagApp.ListTagIdByAccountId(rc.LoginAccount.Id)
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if len(tagIds) == 0 {
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rc.ResData = model.EmptyPageResult()
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return
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}
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condition.TagIds = tagIds
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rc.ResData = d.DbApp.GetPageList(condition, ginx.GetPageParam(rc.GinCtx), new([]vo.SelectDataDbVO))
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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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ginx.BindJsonAndValid(rc.GinCtx, form)
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db := new(entity.Db)
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utils.Copy(db, form)
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// 密码解密，并使用解密后的赋值
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originPwd, err := utils.DefaultRsaDecrypt(form.Password, true)
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biz.ErrIsNilAppendErr(err, "解密密码错误: %s")
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db.Password = originPwd
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// 密码脱敏记录日志
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form.Password = "****"
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rc.ReqParam = form
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db.SetBaseInfo(rc.LoginAccount)
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d.DbApp.Save(db)
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}
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// 获取数据库实例密码，由于数据库是加密存储，故提供该接口展示原文密码
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func (d *Db) GetDbPwd(rc *req.Ctx) {
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dbId := GetDbId(rc.GinCtx)
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dbEntity := d.DbApp.GetById(dbId, "Password")
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dbEntity.PwdDecrypt()
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rc.ResData = dbEntity.Password
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}
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// 获取数据库实例的所有数据库名
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func (d *Db) GetDatabaseNames(rc *req.Ctx) {
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form := &form.DbForm{}
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ginx.BindJsonAndValid(rc.GinCtx, form)
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db := new(entity.Db)
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utils.Copy(db, form)
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// 密码解密，并使用解密后的赋值
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originPwd, err := utils.DefaultRsaDecrypt(form.Password, true)
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biz.ErrIsNilAppendErr(err, "解密密码错误: %s")
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db.Password = originPwd
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// 如果id不为空，并且密码为空则从数据库查询
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if form.Id != 0 && db.Password == "" {
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db = d.DbApp.GetById(form.Id)
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}
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rc.ResData = d.DbApp.GetDatabases(db)
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}
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func (d *Db) DeleteDb(rc *req.Ctx) {
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dbId := GetDbId(rc.GinCtx)
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d.DbApp.Delete(dbId)
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// 删除该库的sql执行记录
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d.DbSqlExecApp.DeleteBy(&entity.DbSqlExec{DbId: dbId})
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}
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func (d *Db) TableInfos(rc *req.Ctx) {
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rc.ResData = d.DbApp.GetDbInstance(GetIdAndDb(rc.GinCtx)).GetMeta().GetTableInfos()
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}
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func (d *Db) TableIndex(rc *req.Ctx) {
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tn := rc.GinCtx.Query("tableName")
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biz.NotEmpty(tn, "tableName不能为空")
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rc.ResData = d.DbApp.GetDbInstance(GetIdAndDb(rc.GinCtx)).GetMeta().GetTableIndex(tn)
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}
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func (d *Db) GetCreateTableDdl(rc *req.Ctx) {
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tn := rc.GinCtx.Query("tableName")
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biz.NotEmpty(tn, "tableName不能为空")
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rc.ResData = d.DbApp.GetDbInstance(GetIdAndDb(rc.GinCtx)).GetMeta().GetCreateTableDdl(tn)
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}
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func (d *Db) ExecSql(rc *req.Ctx) {
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g := rc.GinCtx
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form := &form.DbSqlExecForm{}
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ginx.BindJsonAndValid(g, form)
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id := GetDbId(g)
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db := form.Db
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dbInstance := d.DbApp.GetDbInstance(id, db)
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biz.ErrIsNilAppendErr(d.TagApp.CanAccess(rc.LoginAccount.Id, dbInstance.Info.TagPath), "%s")
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rc.ReqParam = fmt.Sprintf("%s\n-> %s", dbInstance.Info.GetLogDesc(), form.Sql)
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biz.NotEmpty(form.Sql, "sql不能为空")
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// 去除前后空格及换行符
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sql := utils.StrTrimSpaceAndBr(form.Sql)
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execReq := &application.DbSqlExecReq{
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DbId: id,
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Db: db,
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Remark: form.Remark,
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DbInstance: dbInstance,
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LoginAccount: rc.LoginAccount,
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}
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sqls, err := sqlparser.SplitStatementToPieces(sql)
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biz.ErrIsNil(err, "SQL解析错误,请检查您的执行SQL")
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isMulti := len(sqls) > 1
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var execResAll *application.DbSqlExecRes
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for _, s := range sqls {
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s = utils.StrTrimSpaceAndBr(s)
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// 多条执行，如果有查询语句，则跳过
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if isMulti && strings.HasPrefix(strings.ToLower(s), "select") {
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continue
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}
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execReq.Sql = s
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execRes, err := d.DbSqlExecApp.Exec(execReq)
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if err != nil {
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biz.ErrIsNilAppendErr(err, fmt.Sprintf("[%s] -> 执行失败: ", s)+"%s")
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}
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if execResAll == nil {
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execResAll = execRes
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} else {
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execResAll.Merge(execRes)
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}
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}
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colAndRes := make(map[string]any)
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colAndRes["colNames"] = execResAll.ColNames
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colAndRes["res"] = execResAll.Res
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rc.ResData = colAndRes
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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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g := rc.GinCtx
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fileheader, err := g.FormFile("file")
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biz.ErrIsNilAppendErr(err, "读取sql文件失败: %s")
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file, _ := fileheader.Open()
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filename := fileheader.Filename
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dbId, db := GetIdAndDb(g)
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dbInstance := d.DbApp.GetDbInstance(dbId, db)
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biz.ErrIsNilAppendErr(d.TagApp.CanAccess(rc.LoginAccount.Id, dbInstance.Info.TagPath), "%s")
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rc.ReqParam = fmt.Sprintf("%s -> filename: %s", dbInstance.Info.GetLogDesc(), filename)
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logExecRecord := true
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// 如果执行sql文件大于该值则不记录sql执行记录
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if fileheader.Size > 50*1024 {
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logExecRecord = false
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}
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go func() {
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defer func() {
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if err := recover(); err != nil {
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switch t := err.(type) {
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case *biz.BizError:
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d.MsgApp.CreateAndSend(rc.LoginAccount, ws.ErrMsg("sql脚本执行失败", fmt.Sprintf("[%s]%s执行失败: [%s]", filename, dbInstance.Info.GetLogDesc(), t.Error())))
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}
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}
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}()
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execReq := &application.DbSqlExecReq{
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DbId: dbId,
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Db: db,
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Remark: fileheader.Filename,
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DbInstance: dbInstance,
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LoginAccount: rc.LoginAccount,
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}
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tokens := sqlparser.NewTokenizer(file)
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for {
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stmt, err := sqlparser.ParseNext(tokens)
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if err == io.EOF {
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break
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}
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sql := sqlparser.String(stmt)
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execReq.Sql = sql
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// 需要记录执行记录
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if logExecRecord {
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_, err = d.DbSqlExecApp.Exec(execReq)
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} else {
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_, err = dbInstance.Exec(sql)
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}
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if err != nil {
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d.MsgApp.CreateAndSend(rc.LoginAccount, ws.ErrMsg("sql脚本执行失败", fmt.Sprintf("[%s][%s] -> sql=[%s] 执行失败: [%s]", filename, dbInstance.Info.GetLogDesc(), sql, err.Error())))
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return
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}
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}
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d.MsgApp.CreateAndSend(rc.LoginAccount, ws.SuccessMsg("sql脚本执行成功", fmt.Sprintf("[%s]执行完成 -> %s", filename, dbInstance.Info.GetLogDesc())))
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}()
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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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g := rc.GinCtx
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dbId, db := GetIdAndDb(g)
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dumpType := g.Query("type")
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tablesStr := g.Query("tables")
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biz.NotEmpty(tablesStr, "请选择要导出的表")
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tables := strings.Split(tablesStr, ",")
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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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dbInstance := d.DbApp.GetDbInstance(dbId, db)
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biz.ErrIsNilAppendErr(d.TagApp.CanAccess(rc.LoginAccount.Id, dbInstance.Info.TagPath), "%s")
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now := time.Now()
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filename := fmt.Sprintf("%s.%s.sql", db, now.Format("200601021504"))
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g.Header("Content-Type", "application/octet-stream")
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g.Header("Content-Disposition", "attachment; filename="+filename)
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writer := g.Writer
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writer.WriteString("-- ----------------------------")
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writer.WriteString("\n-- 导出平台: mayfly-go")
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writer.WriteString(fmt.Sprintf("\n-- 导出时间: %s ", now.Format("2006-01-02 15:04:05")))
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writer.WriteString(fmt.Sprintf("\n-- 导出数据库: %s ", db))
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writer.WriteString("\n-- ----------------------------\n")
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dbmeta := d.DbApp.GetDbInstance(GetIdAndDb(rc.GinCtx)).GetMeta()
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for _, table := range tables {
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if needStruct {
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writer.WriteString(fmt.Sprintf("\n-- ----------------------------\n-- 表结构: %s \n-- ----------------------------\n", table))
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writer.WriteString(fmt.Sprintf("DROP TABLE IF EXISTS `%s`;\n", table))
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writer.WriteString(dbmeta.GetCreateTableDdl(table) + ";\n")
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}
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if !needData {
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continue
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}
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writer.WriteString(fmt.Sprintf("\n-- ----------------------------\n-- 表记录: %s \n-- ----------------------------\n", table))
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writer.WriteString("BEGIN;\n")
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pageNum := 1
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for {
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columns, result, _ := dbmeta.GetTableRecord(table, pageNum, DEFAULT_ROW_SIZE)
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resultLen := len(result)
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if resultLen == 0 {
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break
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}
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insertSql := "INSERT INTO `%s` VALUES (%s);\n"
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for _, res := range result {
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var values []string
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for _, column := range columns {
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value := res[column]
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if value == nil {
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values = append(values, "NULL")
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continue
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}
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strValue, ok := value.(string)
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if ok {
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values = append(values, fmt.Sprintf("%#v", strValue))
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} else {
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values = append(values, utils.ToString(value))
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}
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}
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writer.WriteString(fmt.Sprintf(insertSql, table, strings.Join(values, ", ")))
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}
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if resultLen < DEFAULT_ROW_SIZE {
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break
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}
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pageNum++
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}
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writer.WriteString("COMMIT;\n")
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}
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rc.NoRes = true
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rc.ReqParam = fmt.Sprintf("%s, tables: %s, dumpType: %s", dbInstance.Info.GetLogDesc(), tablesStr, dumpType)
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}
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// @router /api/db/:dbId/t-metadata [get]
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func (d *Db) TableMA(rc *req.Ctx) {
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dbi := d.DbApp.GetDbInstance(GetIdAndDb(rc.GinCtx))
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rc.ResData = dbi.GetMeta().GetTables()
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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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g := rc.GinCtx
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tn := g.Query("tableName")
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biz.NotEmpty(tn, "tableName不能为空")
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dbi := d.DbApp.GetDbInstance(GetIdAndDb(rc.GinCtx))
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rc.ResData = dbi.GetMeta().GetColumns(tn)
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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.DbApp.GetDbInstance(GetIdAndDb(rc.GinCtx))
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dm := dbi.GetMeta()
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// 获取所有表
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tables := dm.GetTables()
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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 := dm.GetColumns(tableNames...)
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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.ColumnType)
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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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// @router /api/db/:dbId/sql [post]
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func (d *Db) SaveSql(rc *req.Ctx) {
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g := rc.GinCtx
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account := rc.LoginAccount
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dbSqlForm := &form.DbSqlSaveForm{}
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ginx.BindJsonAndValid(g, dbSqlForm)
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rc.ReqParam = dbSqlForm
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dbId := GetDbId(g)
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// 判断dbId是否存在
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err := model.GetById(new(entity.Db), dbId)
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biz.ErrIsNil(err, "该数据库信息不存在")
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// 获取用于是否有该dbsql的保存记录，有则更改，否则新增
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dbSql := &entity.DbSql{Type: dbSqlForm.Type, DbId: dbId, Name: dbSqlForm.Name, Db: dbSqlForm.Db}
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dbSql.CreatorId = account.Id
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e := model.GetBy(dbSql)
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dbSql.SetBaseInfo(account)
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// 更新sql信息
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dbSql.Sql = dbSqlForm.Sql
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if e == nil {
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model.UpdateById(dbSql)
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} else {
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model.Insert(dbSql)
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}
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}
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// 获取所有保存的sql names
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func (d *Db) GetSqlNames(rc *req.Ctx) {
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id, db := GetIdAndDb(rc.GinCtx)
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// 获取用于是否有该dbsql的保存记录，有则更改，否则新增
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dbSql := &entity.DbSql{Type: 1, DbId: id, Db: db}
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dbSql.CreatorId = rc.LoginAccount.Id
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var sqls []entity.DbSql
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model.ListBy(dbSql, &sqls, "id", "name")
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rc.ResData = sqls
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}
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// 删除保存的sql
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func (d *Db) DeleteSql(rc *req.Ctx) {
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dbSql := &entity.DbSql{Type: 1, DbId: GetDbId(rc.GinCtx)}
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dbSql.CreatorId = rc.LoginAccount.Id
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dbSql.Name = rc.GinCtx.Query("name")
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dbSql.Db = rc.GinCtx.Query("db")
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model.DeleteByCondition(dbSql)
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}
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// @router /api/db/:dbId/sql [get]
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func (d *Db) GetSql(rc *req.Ctx) {
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id, db := GetIdAndDb(rc.GinCtx)
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// 根据创建者id， 数据库id，以及sql模板名称查询保存的sql信息
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dbSql := &entity.DbSql{Type: 1, DbId: id, Db: db}
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dbSql.CreatorId = rc.LoginAccount.Id
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dbSql.Name = rc.GinCtx.Query("name")
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e := model.GetBy(dbSql)
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if e != nil {
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return
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}
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rc.ResData = dbSql
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}
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func GetDbId(g *gin.Context) uint64 {
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dbId, _ := strconv.Atoi(g.Param("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 GetIdAndDb(g *gin.Context) (uint64, string) {
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db := g.Query("db")
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biz.NotEmpty(db, "db不能为空")
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return GetDbId(g), db
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}
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