go-admin/app/other/apis/tools/sys_tables.go

package tools

import (
	"errors"
	"strings"

	"github.com/gin-gonic/gin"
	_ "github.com/go-admin-team/go-admin-core/v2/response"
	"github.com/go-admin-team/go-admin-core/v2/sdk/api"
	"github.com/go-admin-team/go-admin-core/v2/sdk/pkg"
	"gorm.io/gorm"

	"go-admin/app/other/models/tools"
)

type SysTable struct {
	api.Api
}

// GetPage 分页列表数据
// @Summary 分页列表数据
// @Description 生成表分页列表
// @Tags 工具 / 生成工具
// @Param tableName query string false "tableName / 数据表名称"
// @Param pageSize query int false "pageSize / 页条数"
// @Param pageIndex query int false "pageIndex / 页码"
// @Success 200 {object} response.Response "{"code": 200, "data": [...]}"
// @Router /api/v1/sys/tables/page [get]
func (e SysTable) GetPage(c *gin.Context) {
	e.Context = c
	log := e.GetLogger()
	var data tools.SysTables
	var err error
	var pageSize = 10
	var pageIndex = 1

	if size := c.Request.FormValue("pageSize"); size != "" {
		pageSize, err = pkg.StringToInt(size)
	}

	if index := c.Request.FormValue("pageIndex"); index != "" {
		pageIndex, err = pkg.StringToInt(index)
	}

	db, err := e.GetOrm()
	if err != nil {
		log.Errorf("get db connection error, %s", err.Error())
		e.Error(500, err, "数据库连接获取失败")
		return
	}

	data.TBName = c.Request.FormValue("tableName")
	data.TableComment = c.Request.FormValue("tableComment")
	result, count, err := data.GetPage(db, pageSize, pageIndex)
	if err != nil {
		log.Errorf("GetPage error, %s", err.Error())
		e.Error(500, err, "")
		return
	}
	e.PageOK(result, count, pageIndex, pageSize, "查询成功")
}

// Get
// @Summary 获取配置
// @Description 获取JSON
// @Tags 工具 / 生成工具
// @Param configKey path int true "configKey"
// @Success 200 {object} response.Response "{"code": 200, "data": [...]}"
// @Router /api/v1/sys/tables/info/{tableId} [get]
// @Security Bearer
func (e SysTable) Get(c *gin.Context) {
	e.Context = c
	log := e.GetLogger()
	db, err := e.GetOrm()
	if err != nil {
		log.Errorf("get db connection error, %s", err.Error())
		e.Error(500, err, "数据库连接获取失败")
		return
	}

	var data tools.SysTables
	data.TableId, _ = pkg.StringToInt(c.Param("tableId"))
	result, err := data.Get(db, true)
	if err != nil {
		log.Errorf("Get error, %s", err.Error())
		e.Error(500, err, "")
		return
	}

	mp := make(map[string]interface{})
	mp["list"] = result.Columns
	mp["info"] = result
	e.OK(mp, "")
}

func (e SysTable) GetSysTablesInfo(c *gin.Context) {
	e.Context = c
	log := e.GetLogger()
	db, err := e.GetOrm()
	if err != nil {
		log.Errorf("get db connection error, %s", err.Error())
		e.Error(500, err, "数据库连接获取失败")
		return
	}

	var data tools.SysTables
	if c.Request.FormValue("tableName") != "" {
		data.TBName = c.Request.FormValue("tableName")
	}
	result, err := data.Get(db, true)
	if err != nil {
		log.Errorf("Get error, %s", err.Error())
		e.Error(500, err, "抱歉未找到相关信息")
		return
	}

	mp := make(map[string]interface{})
	mp["list"] = result.Columns
	mp["info"] = result
	e.OK(mp, "")
	//res.Data = mp
	//c.JSON(http.StatusOK, res.ReturnOK())
}

func (e SysTable) GetSysTablesTree(c *gin.Context) {
	e.Context = c
	log := e.GetLogger()
	db, err := e.GetOrm()
	if err != nil {
		log.Errorf("get db connection error, %s", err.Error())
		e.Error(500, err, "数据库连接获取失败")
		return
	}

	var data tools.SysTables
	result, err := data.GetTree(db)
	if err != nil {
		log.Errorf("GetTree error, %s", err.Error())
		e.Error(500, err, "抱歉未找到相关信息")
		return
	}

	e.OK(result, "")
}

// Insert
// @Summary 添加表结构
// @Description 添加表结构
// @Tags 工具 / 生成工具
// @Accept  application/json
// @Product application/json
// @Param tables query string false "tableName / 数据表名称，逗号分隔"
// @Param data body object false "tables / 同上，query 未带时从 JSON body 读"
// @Success 200 {string} string	"{"code": 200, "message": "添加成功"}"
// @Success 200 {string} string	"{"code": -1, "message": "添加失败"}"
// @Router /api/v1/sys/tables/info [post]
// @Security Bearer
func (e SysTable) Insert(c *gin.Context) {
	e.Context = c
	log := e.GetLogger()
	db, err := e.GetOrm()
	if err != nil {
		log.Errorf("get db connection error, %s", err.Error())
		e.Error(500, err, "数据库连接获取失败")
		return
	}

	tablesList, err := tablesToImport(c)
	if err != nil {
		log.Errorf("read the table list, %s", err.Error())
		e.Error(500, err, "")
		return
	}

	for i := 0; i < len(tablesList); i++ {

		data, err := genTableInit(db, tablesList, i, c)
		if err != nil {
			log.Errorf("genTableInit error, %s", err.Error())
			e.Error(500, err, "")
			return
		}

		_, err = data.Create(db)
		if err != nil {
			log.Errorf("Create error, %s", err.Error())
			e.Error(500, err, "")
			return
		}
	}
	e.OK(nil, "添加成功")

}

// tablesToImport reads the comma-separated table list carried by an import
// request, from the query string or from a JSON body.
//
// The list has only ever travelled in the query string, which is the single
// place FormValue looks once the request declares itself as JSON. A front end
// that puts it in the body instead therefore left this empty, and the import
// went on to ask information_schema for a table named "" -- go-admin-ui v3.2.0
// shipped exactly that, and every import failed with the message below.
// Reading the body when the query has nothing keeps either front end working.
func tablesToImport(c *gin.Context) ([]string, error) {
	raw := c.Request.FormValue("tables")
	if raw == "" {
		var body struct {
			Tables string `json:"tables"`
		}
		// A body that is absent, or shaped some other way, is not itself worth
		// reporting: the list is missing either way, and the message below says
		// so in the terms the caller asked in.
		if err := c.ShouldBindJSON(&body); err == nil {
			raw = body.Tables
		}
	}

	parts := strings.Split(raw, ",")
	names := make([]string, 0, len(parts))
	for _, name := range parts {
		// Splitting "" yields one empty name rather than nothing at all, so
		// without this an empty list reads as a request to import one table
		// whose name happens to be blank.
		if name = strings.TrimSpace(name); name != "" {
			names = append(names, name)
		}
	}
	if len(names) == 0 {
		return nil, errors.New(emptyTableNameMsg)
	}
	return names, nil
}

func genTableInit(tx *gorm.DB, tablesList []string, i int, c *gin.Context) (tools.SysTables, error) {
	var data tools.SysTables
	var dbTable tools.DBTables
	var dbColumn tools.DBColumns
	data.TBName = tablesList[i]
	data.CreateBy = 0

	dbTable.TableName = data.TBName
	dbtable, err := dbTable.Get(tx)
	if err != nil {
		return data, err
	}

	dbColumn.TableName = data.TBName
	tablenamelist := strings.Split(dbColumn.TableName, "_")
	for i := 0; i < len(tablenamelist); i++ {
		strStart := string([]byte(tablenamelist[i])[:1])
		strend := string([]byte(tablenamelist[i])[1:])
		// 大驼峰表名 结构体使用
		data.ClassName += strings.ToUpper(strStart) + strend
		// 小驼峰表名 js函数名和权限标识使用
		if i == 0 {
			data.BusinessName += strings.ToLower(strStart) + strend
		} else {
			data.BusinessName += strings.ToUpper(strStart) + strend
		}
		//data.PackageName += strings.ToLower(strStart) + strings.ToLower(strend)
		//data.ModuleName += strings.ToLower(strStart) + strings.ToLower(strend)
	}
	//data.ModuleFrontName = strings.ReplaceAll(data.ModuleName, "_", "-")
	data.PackageName = "admin"
	data.TplCategory = "crud"
	data.Crud = true
	// 中横线表名称，接口路径、前端文件夹名称和js名称使用
	data.ModuleName = strings.Replace(data.TBName, "_", "-", -1)
	dbcolumn, err := dbColumn.GetList(tx)
	data.CreateBy = 0
	data.TableComment = dbtable.TableComment
	if dbtable.TableComment == "" {
		data.TableComment = data.ClassName
	}

	data.FunctionName = data.TableComment
	//data.BusinessName = data.ModuleName
	data.IsLogicalDelete = "1"
	data.LogicalDelete = true
	data.LogicalDeleteColumn = "is_del"
	data.IsActions = 2
	data.IsDataScope = 1
	data.IsAuth = 1

	data.FunctionAuthor = "wenjianzhang"
	for i := 0; i < len(dbcolumn); i++ {
		var column tools.SysColumns
		column.ColumnComment = dbcolumn[i].ColumnComment
		column.ColumnName = dbcolumn[i].ColumnName
		column.ColumnType = dbcolumn[i].ColumnType
		column.Sort = i + 1
		column.Insert = true
		column.IsInsert = "1"
		column.QueryType = "EQ"
		column.IsPk = "0"

		namelist := strings.Split(dbcolumn[i].ColumnName, "_")
		for i := 0; i < len(namelist); i++ {
			strStart := string([]byte(namelist[i])[:1])
			strend := string([]byte(namelist[i])[1:])
			column.GoField += strings.ToUpper(strStart) + strend
			if i == 0 {
				column.JsonField = strings.ToLower(strStart) + strend
			} else {
				column.JsonField += strings.ToUpper(strStart) + strend
			}
		}
		if strings.Contains(dbcolumn[i].ColumnKey, "PR") {
			column.IsPk = "1"
			column.Pk = true
			data.PkColumn = dbcolumn[i].ColumnName
			//column.GoField = strings.ToUpper(column.GoField)
			//column.JsonField = strings.ToUpper(column.JsonField)
			data.PkGoField = column.GoField
			data.PkJsonField = column.JsonField
		}
		column.IsRequired = "0"
		if strings.Contains(dbcolumn[i].IsNullable, "NO") {
			column.IsRequired = "1"
			column.Required = true
		}

		if strings.Contains(dbcolumn[i].ColumnType, "int") {
			if strings.Contains(dbcolumn[i].ColumnKey, "PR") {
				column.GoType = "int"
			} else {
				column.GoType = "string"
			}
			column.HtmlType = "input"
		} else if strings.Contains(dbcolumn[i].ColumnType, "timestamp") {
			column.GoType = "time.Time"
			column.HtmlType = "datetime"
		} else if strings.Contains(dbcolumn[i].ColumnType, "datetime") {
			column.GoType = "time.Time"
			column.HtmlType = "datetime"
		} else {
			column.GoType = "string"
			column.HtmlType = "input"
		}

		data.Columns = append(data.Columns, column)
	}
	return data, err
}

// Update
// @Summary 修改表结构
// @Description 修改表结构
// @Tags 工具 / 生成工具
// @Accept  application/json
// @Product application/json
// @Param data body tools.SysTables true "body"
// @Success 200 {string} string	"{"code": 200, "message": "添加成功"}"
// @Success 200 {string} string	"{"code": -1, "message": "添加失败"}"
// @Router /api/v1/sys/tables/info [put]
// @Security Bearer
func (e SysTable) Update(c *gin.Context) {
	var data tools.SysTables
	err := c.Bind(&data)
	pkg.HasError(err, "数据解析失败", 500)

	e.Context = c
	log := e.GetLogger()
	db, err := e.GetOrm()
	if err != nil {
		log.Errorf("get db connection error, %s", err.Error())
		e.Error(500, err, "数据库连接获取失败")
		return
	}

	// PRD 010 F10: this bind-and-save path has no field-level validation of
	// its own (API契约.md §1.2/§2.1, D6) - see sys_tables_validate.go for
	// what each check guards and why colWidth is sanitized in place rather
	// than rejected.
	if err = validateAndSanitizeColumns(data.Columns); err != nil {
		log.Errorf("validate columns error, %s", err.Error())
		e.Error(500, err, err.Error())
		return
	}
	if err = validateBusinessNameUnique(db, data.PackageName, data.BusinessName, data.TableId); err != nil {
		log.Errorf("validate businessName error, %s", err.Error())
		e.Error(500, err, err.Error())
		return
	}

	data.UpdateBy = 0
	result, err := data.Update(db)
	if err != nil {
		log.Errorf("Update error, %s", err.Error())
		e.Error(500, err, "")
		return
	}
	e.OK(result, "修改成功")
}

// Delete
// @Summary 删除表结构
// @Description 删除表结构
// @Tags 工具 / 生成工具
// @Param tableId path int true "tableId"
// @Success 200 {string} string	"{"code": 200, "message": "删除成功"}"
// @Success 200 {string} string	"{"code": -1, "message": "删除失败"}"
// @Router /api/v1/sys/tables/info/{tableId} [delete]
func (e SysTable) Delete(c *gin.Context) {
	e.Context = c
	log := e.GetLogger()
	db, err := e.GetOrm()
	if err != nil {
		log.Errorf("get db connection error, %s", err.Error())
		e.Error(500, err, "数据库连接获取失败")
		return
	}

	var data tools.SysTables
	IDS := pkg.IdsStrToIdsIntGroup("tableId", c)
	_, err = data.BatchDelete(db, IDS)
	if err != nil {
		log.Errorf("BatchDelete error, %s", err.Error())
		e.Error(500, err, "删除失败")
		return
	}
	e.OK(nil, "删除成功")
}