mirror of
https://gitee.com/dromara/mayfly-go
synced 2025-11-04 08:20:25 +08:00
435 lines
12 KiB
Go
435 lines
12 KiB
Go
package api
|
||
|
||
import (
|
||
"fmt"
|
||
"io"
|
||
"mayfly-go/internal/db/api/form"
|
||
"mayfly-go/internal/db/api/vo"
|
||
"mayfly-go/internal/db/application"
|
||
"mayfly-go/internal/db/domain/entity"
|
||
msgapp "mayfly-go/internal/msg/application"
|
||
tagapp "mayfly-go/internal/tag/application"
|
||
"mayfly-go/pkg/biz"
|
||
"mayfly-go/pkg/ginx"
|
||
"mayfly-go/pkg/gormx"
|
||
"mayfly-go/pkg/model"
|
||
"mayfly-go/pkg/req"
|
||
"mayfly-go/pkg/utils/stringx"
|
||
"mayfly-go/pkg/ws"
|
||
"strconv"
|
||
"strings"
|
||
"time"
|
||
|
||
"github.com/gin-gonic/gin"
|
||
"github.com/xwb1989/sqlparser"
|
||
)
|
||
|
||
type Db struct {
|
||
InstanceApp application.Instance
|
||
DbApp application.Db
|
||
DbSqlExecApp application.DbSqlExec
|
||
MsgApp msgapp.Msg
|
||
TagApp tagapp.TagTree
|
||
}
|
||
|
||
const DEFAULT_ROW_SIZE = 5000
|
||
|
||
// @router /api/dbs [get]
|
||
func (d *Db) Dbs(rc *req.Ctx) {
|
||
queryCond, page := ginx.BindQueryAndPage[*entity.DbQuery](rc.GinCtx, new(entity.DbQuery))
|
||
|
||
// 不存在可访问标签id，即没有可操作数据
|
||
tagIds := d.TagApp.ListTagIdByAccountId(rc.LoginAccount.Id)
|
||
if len(tagIds) == 0 {
|
||
rc.ResData = model.EmptyPageResult[any]()
|
||
return
|
||
}
|
||
|
||
queryCond.TagIds = tagIds
|
||
rc.ResData = d.DbApp.GetPageList(queryCond, page, new([]vo.SelectDataDbVO))
|
||
}
|
||
|
||
func (d *Db) DbTags(rc *req.Ctx) {
|
||
rc.ResData = d.TagApp.ListTagByAccountIdAndResource(rc.LoginAccount.Id, new(entity.Db))
|
||
}
|
||
|
||
func (d *Db) Save(rc *req.Ctx) {
|
||
form := &form.DbForm{}
|
||
db := ginx.BindJsonAndCopyTo[*entity.Db](rc.GinCtx, form, new(entity.Db))
|
||
|
||
rc.ReqParam = form
|
||
|
||
db.SetBaseInfo(rc.LoginAccount)
|
||
d.DbApp.Save(db)
|
||
}
|
||
|
||
func (d *Db) DeleteDb(rc *req.Ctx) {
|
||
idsStr := ginx.PathParam(rc.GinCtx, "dbId")
|
||
rc.ReqParam = idsStr
|
||
ids := strings.Split(idsStr, ",")
|
||
|
||
for _, v := range ids {
|
||
value, err := strconv.Atoi(v)
|
||
biz.ErrIsNilAppendErr(err, "string类型转换为int异常: %s")
|
||
dbId := uint64(value)
|
||
d.DbApp.Delete(dbId)
|
||
// 删除该库的sql执行记录
|
||
d.DbSqlExecApp.DeleteBy(&entity.DbSqlExec{DbId: dbId})
|
||
}
|
||
}
|
||
|
||
func (d *Db) getDbConnection(g *gin.Context) *application.DbConnection {
|
||
dbName := g.Query("db")
|
||
biz.NotEmpty(dbName, "db不能为空")
|
||
dbId := getDbId(g)
|
||
return d.DbApp.GetDbConnection(dbId, dbName)
|
||
}
|
||
|
||
func (d *Db) TableInfos(rc *req.Ctx) {
|
||
rc.ResData = d.getDbConnection(rc.GinCtx).GetMeta().GetTableInfos()
|
||
}
|
||
|
||
func (d *Db) TableIndex(rc *req.Ctx) {
|
||
tn := rc.GinCtx.Query("tableName")
|
||
biz.NotEmpty(tn, "tableName不能为空")
|
||
rc.ResData = d.getDbConnection(rc.GinCtx).GetMeta().GetTableIndex(tn)
|
||
}
|
||
|
||
func (d *Db) GetCreateTableDdl(rc *req.Ctx) {
|
||
tn := rc.GinCtx.Query("tableName")
|
||
biz.NotEmpty(tn, "tableName不能为空")
|
||
rc.ResData = d.getDbConnection(rc.GinCtx).GetMeta().GetCreateTableDdl(tn)
|
||
}
|
||
|
||
func (d *Db) ExecSql(rc *req.Ctx) {
|
||
g := rc.GinCtx
|
||
form := &form.DbSqlExecForm{}
|
||
ginx.BindJsonAndValid(g, form)
|
||
|
||
dbId := getDbId(g)
|
||
dbConn := d.DbApp.GetDbConnection(dbId, form.Db)
|
||
biz.ErrIsNilAppendErr(d.TagApp.CanAccess(rc.LoginAccount.Id, dbConn.Info.TagPath), "%s")
|
||
|
||
rc.ReqParam = fmt.Sprintf("%s\n-> %s", dbConn.Info.GetLogDesc(), form.Sql)
|
||
biz.NotEmpty(form.Sql, "sql不能为空")
|
||
|
||
// 去除前后空格及换行符
|
||
sql := stringx.TrimSpaceAndBr(form.Sql)
|
||
|
||
execReq := &application.DbSqlExecReq{
|
||
DbId: dbId,
|
||
Db: form.Db,
|
||
Remark: form.Remark,
|
||
DbConn: dbConn,
|
||
LoginAccount: rc.LoginAccount,
|
||
}
|
||
|
||
sqls, err := sqlparser.SplitStatementToPieces(sql)
|
||
biz.ErrIsNil(err, "SQL解析错误,请检查您的执行SQL")
|
||
isMulti := len(sqls) > 1
|
||
var execResAll *application.DbSqlExecRes
|
||
for _, s := range sqls {
|
||
s = stringx.TrimSpaceAndBr(s)
|
||
// 多条执行，如果有查询语句，则跳过
|
||
if isMulti && strings.HasPrefix(strings.ToLower(s), "select") {
|
||
continue
|
||
}
|
||
execReq.Sql = s
|
||
execRes, err := d.DbSqlExecApp.Exec(execReq)
|
||
if err != nil {
|
||
biz.ErrIsNilAppendErr(err, fmt.Sprintf("[%s] -> 执行失败: ", s)+"%s")
|
||
}
|
||
|
||
if execResAll == nil {
|
||
execResAll = execRes
|
||
} else {
|
||
execResAll.Merge(execRes)
|
||
}
|
||
}
|
||
|
||
colAndRes := make(map[string]any)
|
||
colAndRes["colNames"] = execResAll.ColNames
|
||
colAndRes["res"] = execResAll.Res
|
||
rc.ResData = colAndRes
|
||
}
|
||
|
||
// 执行sql文件
|
||
func (d *Db) ExecSqlFile(rc *req.Ctx) {
|
||
g := rc.GinCtx
|
||
fileheader, err := g.FormFile("file")
|
||
biz.ErrIsNilAppendErr(err, "读取sql文件失败: %s")
|
||
|
||
file, _ := fileheader.Open()
|
||
filename := fileheader.Filename
|
||
dbId := getDbId(g)
|
||
dbName := getDbName(g)
|
||
|
||
dbConn := d.getDbConnection(rc.GinCtx)
|
||
biz.ErrIsNilAppendErr(d.TagApp.CanAccess(rc.LoginAccount.Id, dbConn.Info.TagPath), "%s")
|
||
rc.ReqParam = fmt.Sprintf("%s -> filename: %s", dbConn.Info.GetLogDesc(), filename)
|
||
|
||
logExecRecord := true
|
||
// 如果执行sql文件大于该值则不记录sql执行记录
|
||
if fileheader.Size > 50*1024 {
|
||
logExecRecord = false
|
||
}
|
||
|
||
go func() {
|
||
defer func() {
|
||
if err := recover(); err != nil {
|
||
switch t := err.(type) {
|
||
case *biz.BizError:
|
||
d.MsgApp.CreateAndSend(rc.LoginAccount, ws.ErrMsg("sql脚本执行失败", fmt.Sprintf("[%s]%s执行失败: [%s]", filename, dbConn.Info.GetLogDesc(), t.Error())))
|
||
}
|
||
}
|
||
}()
|
||
|
||
execReq := &application.DbSqlExecReq{
|
||
DbId: dbId,
|
||
Db: dbName,
|
||
Remark: fileheader.Filename,
|
||
DbConn: dbConn,
|
||
LoginAccount: rc.LoginAccount,
|
||
}
|
||
|
||
tokens := sqlparser.NewTokenizer(file)
|
||
for {
|
||
stmt, err := sqlparser.ParseNext(tokens)
|
||
if err == io.EOF {
|
||
break
|
||
}
|
||
sql := sqlparser.String(stmt)
|
||
execReq.Sql = sql
|
||
// 需要记录执行记录
|
||
if logExecRecord {
|
||
_, err = d.DbSqlExecApp.Exec(execReq)
|
||
} else {
|
||
_, err = dbConn.Exec(sql)
|
||
}
|
||
|
||
if err != nil {
|
||
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, dbConn.Info.GetLogDesc(), sql, err.Error())))
|
||
return
|
||
}
|
||
}
|
||
d.MsgApp.CreateAndSend(rc.LoginAccount, ws.SuccessMsg("sql脚本执行成功", fmt.Sprintf("[%s]执行完成 -> %s", filename, dbConn.Info.GetLogDesc())))
|
||
}()
|
||
}
|
||
|
||
// 数据库dump
|
||
func (d *Db) DumpSql(rc *req.Ctx) {
|
||
g := rc.GinCtx
|
||
db := getDbName(g)
|
||
dumpType := g.Query("type")
|
||
tablesStr := g.Query("tables")
|
||
biz.NotEmpty(tablesStr, "请选择要导出的表")
|
||
tables := strings.Split(tablesStr, ",")
|
||
|
||
// 是否需要导出表结构
|
||
needStruct := dumpType == "1" || dumpType == "3"
|
||
// 是否需要导出数据
|
||
needData := dumpType == "2" || dumpType == "3"
|
||
|
||
dbInstance := d.getDbConnection(rc.GinCtx)
|
||
biz.ErrIsNilAppendErr(d.TagApp.CanAccess(rc.LoginAccount.Id, dbInstance.Info.TagPath), "%s")
|
||
|
||
now := time.Now()
|
||
filename := fmt.Sprintf("%s.%s.sql", db, now.Format("200601021504"))
|
||
g.Header("Content-Type", "application/octet-stream")
|
||
g.Header("Content-Disposition", "attachment; filename="+filename)
|
||
|
||
writer := g.Writer
|
||
writer.WriteString("-- ----------------------------")
|
||
writer.WriteString("\n-- 导出平台: mayfly-go")
|
||
writer.WriteString(fmt.Sprintf("\n-- 导出时间: %s ", now.Format("2006-01-02 15:04:05")))
|
||
writer.WriteString(fmt.Sprintf("\n-- 导出数据库: %s ", db))
|
||
writer.WriteString("\n-- ----------------------------\n")
|
||
|
||
dbmeta := d.getDbConnection(rc.GinCtx).GetMeta()
|
||
for _, table := range tables {
|
||
if needStruct {
|
||
writer.WriteString(fmt.Sprintf("\n-- ----------------------------\n-- 表结构: %s \n-- ----------------------------\n", table))
|
||
writer.WriteString(fmt.Sprintf("DROP TABLE IF EXISTS `%s`;\n", table))
|
||
writer.WriteString(dbmeta.GetCreateTableDdl(table) + ";\n")
|
||
}
|
||
|
||
if !needData {
|
||
continue
|
||
}
|
||
|
||
writer.WriteString(fmt.Sprintf("\n-- ----------------------------\n-- 表记录: %s \n-- ----------------------------\n", table))
|
||
writer.WriteString("BEGIN;\n")
|
||
|
||
pageNum := 1
|
||
for {
|
||
columns, result, _ := dbmeta.GetTableRecord(table, pageNum, DEFAULT_ROW_SIZE)
|
||
resultLen := len(result)
|
||
if resultLen == 0 {
|
||
break
|
||
}
|
||
insertSql := "INSERT INTO `%s` VALUES (%s);\n"
|
||
for _, res := range result {
|
||
var values []string
|
||
for _, column := range columns {
|
||
value := res[column]
|
||
if value == nil {
|
||
values = append(values, "NULL")
|
||
continue
|
||
}
|
||
strValue, ok := value.(string)
|
||
if ok {
|
||
values = append(values, fmt.Sprintf("%#v", strValue))
|
||
} else {
|
||
values = append(values, stringx.AnyToStr(value))
|
||
}
|
||
}
|
||
writer.WriteString(fmt.Sprintf(insertSql, table, strings.Join(values, ", ")))
|
||
}
|
||
if resultLen < DEFAULT_ROW_SIZE {
|
||
break
|
||
}
|
||
pageNum++
|
||
}
|
||
|
||
writer.WriteString("COMMIT;\n")
|
||
}
|
||
|
||
rc.ReqParam = fmt.Sprintf("%s, tables: %s, dumpType: %s", dbInstance.Info.GetLogDesc(), tablesStr, dumpType)
|
||
}
|
||
|
||
// @router /api/db/:dbId/t-metadata [get]
|
||
func (d *Db) TableMA(rc *req.Ctx) {
|
||
dbi := d.getDbConnection(rc.GinCtx)
|
||
rc.ResData = dbi.GetMeta().GetTables()
|
||
}
|
||
|
||
// @router /api/db/:dbId/c-metadata [get]
|
||
func (d *Db) ColumnMA(rc *req.Ctx) {
|
||
g := rc.GinCtx
|
||
tn := g.Query("tableName")
|
||
biz.NotEmpty(tn, "tableName不能为空")
|
||
|
||
dbi := d.getDbConnection(rc.GinCtx)
|
||
rc.ResData = dbi.GetMeta().GetColumns(tn)
|
||
}
|
||
|
||
// @router /api/db/:dbId/hint-tables [get]
|
||
func (d *Db) HintTables(rc *req.Ctx) {
|
||
dbi := d.getDbConnection(rc.GinCtx)
|
||
|
||
dm := dbi.GetMeta()
|
||
// 获取所有表
|
||
tables := dm.GetTables()
|
||
tableNames := make([]string, 0)
|
||
for _, v := range tables {
|
||
tableNames = append(tableNames, v.TableName)
|
||
}
|
||
// key = 表名，value = 列名数组
|
||
res := make(map[string][]string)
|
||
|
||
// 表为空，则直接返回
|
||
if len(tableNames) == 0 {
|
||
rc.ResData = res
|
||
return
|
||
}
|
||
|
||
// 获取所有表下的所有列信息
|
||
columnMds := dm.GetColumns(tableNames...)
|
||
for _, v := range columnMds {
|
||
tName := v.TableName
|
||
if res[tName] == nil {
|
||
res[tName] = make([]string, 0)
|
||
}
|
||
|
||
columnName := fmt.Sprintf("%s [%s]", v.ColumnName, v.ColumnType)
|
||
comment := v.ColumnComment
|
||
// 如果字段备注不为空，则加上备注信息
|
||
if comment != "" {
|
||
columnName = fmt.Sprintf("%s[%s]", columnName, comment)
|
||
}
|
||
|
||
res[tName] = append(res[tName], columnName)
|
||
}
|
||
rc.ResData = res
|
||
}
|
||
|
||
// @router /api/db/:dbId/sql [post]
|
||
func (d *Db) SaveSql(rc *req.Ctx) {
|
||
g := rc.GinCtx
|
||
account := rc.LoginAccount
|
||
dbSqlForm := &form.DbSqlSaveForm{}
|
||
ginx.BindJsonAndValid(g, dbSqlForm)
|
||
rc.ReqParam = dbSqlForm
|
||
|
||
dbId := getDbId(g)
|
||
// 判断dbId是否存在
|
||
err := gormx.GetById(new(entity.Db), dbId)
|
||
biz.ErrIsNil(err, "该数据库信息不存在")
|
||
|
||
// 获取用于是否有该dbsql的保存记录，有则更改，否则新增
|
||
dbSql := &entity.DbSql{Type: dbSqlForm.Type, DbId: dbId, Name: dbSqlForm.Name, Db: dbSqlForm.Db}
|
||
dbSql.CreatorId = account.Id
|
||
e := gormx.GetBy(dbSql)
|
||
|
||
dbSql.SetBaseInfo(account)
|
||
// 更新sql信息
|
||
dbSql.Sql = dbSqlForm.Sql
|
||
if e == nil {
|
||
gormx.UpdateById(dbSql)
|
||
} else {
|
||
gormx.Insert(dbSql)
|
||
}
|
||
}
|
||
|
||
// 获取所有保存的sql names
|
||
func (d *Db) GetSqlNames(rc *req.Ctx) {
|
||
dbId := getDbId(rc.GinCtx)
|
||
dbName := getDbName(rc.GinCtx)
|
||
// 获取用于是否有该dbsql的保存记录，有则更改，否则新增
|
||
dbSql := &entity.DbSql{Type: 1, DbId: dbId, Db: dbName}
|
||
dbSql.CreatorId = rc.LoginAccount.Id
|
||
var sqls []entity.DbSql
|
||
gormx.ListBy(dbSql, &sqls, "id", "name")
|
||
|
||
rc.ResData = sqls
|
||
}
|
||
|
||
// 删除保存的sql
|
||
func (d *Db) DeleteSql(rc *req.Ctx) {
|
||
dbSql := &entity.DbSql{Type: 1, DbId: getDbId(rc.GinCtx)}
|
||
dbSql.CreatorId = rc.LoginAccount.Id
|
||
dbSql.Name = rc.GinCtx.Query("name")
|
||
dbSql.Db = rc.GinCtx.Query("db")
|
||
|
||
gormx.DeleteByCondition(dbSql)
|
||
|
||
}
|
||
|
||
// @router /api/db/:dbId/sql [get]
|
||
func (d *Db) GetSql(rc *req.Ctx) {
|
||
dbId := getDbId(rc.GinCtx)
|
||
dbName := getDbName(rc.GinCtx)
|
||
// 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
|
||
dbSql := &entity.DbSql{Type: 1, DbId: dbId, Db: dbName}
|
||
dbSql.CreatorId = rc.LoginAccount.Id
|
||
dbSql.Name = rc.GinCtx.Query("name")
|
||
|
||
e := gormx.GetBy(dbSql)
|
||
if e != nil {
|
||
return
|
||
}
|
||
rc.ResData = dbSql
|
||
}
|
||
|
||
func getDbId(g *gin.Context) uint64 {
|
||
dbId, _ := strconv.Atoi(g.Param("dbId"))
|
||
biz.IsTrue(dbId > 0, "dbId错误")
|
||
return uint64(dbId)
|
||
}
|
||
|
||
func getDbName(g *gin.Context) string {
|
||
db := g.Query("db")
|
||
biz.NotEmpty(db, "db不能为空")
|
||
return db
|
||
}
|