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package service
import (
"errors"
"gin-vue-admin/global"
"gin-vue-admin/model"
"gin-vue-admin/model/request"
"gin-vue-admin/utils"
"io/ioutil"
"os"
"path/filepath"
"strings"
"text/template"
"gorm.io/gorm"
)
const (
autoPath = "autoCode/"
basePath = "resource/template"
)
type tplData struct {
template *template.Template
locationPath string
autoCodePath string
autoMoveFilePath string
}
//@author: [songzhibin97](https://github.com/songzhibin97)
//@function: PreviewTemp
//@description: 预览创建代码
//@param: model.AutoCodeStruct
//@return: map[string]string, error
func PreviewTemp(autoCode model.AutoCodeStruct) (map[string]string, error) {
dataList, _, needMkdir, err := getNeedList(&autoCode)
if err != nil {
return nil, err
}
// 写入文件前,先创建文件夹
if err = utils.CreateDir(needMkdir...); err != nil {
return nil, err
}
// 创建map
ret := make(map[string]string)
// 生成map
for _, value := range dataList {
ext := ""
if ext = filepath.Ext(value.autoCodePath); ext == ".txt" {
continue
}
f, err := os.OpenFile(value.autoCodePath, os.O_CREATE|os.O_WRONLY, 0755)
if err != nil {
return nil, err
}
if err = value.template.Execute(f, autoCode); err != nil {
return nil, err
}
_ = f.Close()
f, err = os.OpenFile(value.autoCodePath, os.O_CREATE|os.O_RDONLY, 0755)
if err != nil {
return nil, err
}
builder := strings.Builder{}
builder.WriteString("```")
if ext != "" && strings.Contains(ext, ".") {
builder.WriteString(strings.Replace(ext, ".", "", -1))
}
builder.WriteString("\n\n")
data, err := ioutil.ReadAll(f)
if err != nil {
return nil, err
}
builder.Write(data)
builder.WriteString("\n\n```")
pathArr := strings.Split(value.autoCodePath, string(os.PathSeparator))
ret[pathArr[1]+"-"+pathArr[3]] = builder.String()
_ = f.Close()
}
defer func() { // 移除中间文件
if err := os.RemoveAll(autoPath); err != nil {
return
}
}()
return ret, nil
}
//@author: [piexlmax](https://github.com/piexlmax)
//@function: CreateTemp
//@description: 创建代码
//@param: model.AutoCodeStruct
//@return: err error
func CreateTemp(autoCode model.AutoCodeStruct) (err error) {
dataList, fileList, needMkdir, err := getNeedList(&autoCode)
if err != nil {
return err
}
// 写入文件前,先创建文件夹
if err = utils.CreateDir(needMkdir...); err != nil {
return err
}
// 生成文件
for _, value := range dataList {
f, err := os.OpenFile(value.autoCodePath, os.O_CREATE|os.O_WRONLY, 0755)
if err != nil {
return err
}
if err = value.template.Execute(f, autoCode); err != nil {
return err
}
_ = f.Close()
}
defer func() { // 移除中间文件
if err := os.RemoveAll(autoPath); err != nil {
return
}
}()
if autoCode.AutoMoveFile { // 判断是否需要自动转移
for index, _ := range dataList {
addAutoMoveFile(&dataList[index])
}
for _, value := range dataList { // 移动文件
if err := utils.FileMove(value.autoCodePath, value.autoMoveFilePath); err != nil {
return err
}
}
initializeGormFilePath := filepath.Join(global.GVA_CONFIG.AutoCode.Root,
global.GVA_CONFIG.AutoCode.Server, global.GVA_CONFIG.AutoCode.SInitialize, "gorm.go")
initializeRouterFilePath := filepath.Join(global.GVA_CONFIG.AutoCode.Root,
global.GVA_CONFIG.AutoCode.Server, global.GVA_CONFIG.AutoCode.SInitialize, "router.go")
err = utils.AutoInjectionCode(initializeGormFilePath, "MysqlTables", "model."+autoCode.StructName+"{},")
if err != nil {
return err
}
err = utils.AutoInjectionCode(initializeRouterFilePath, "Routers", "router.Init"+autoCode.StructName+"Router(PrivateGroup)")
if err != nil {
return err
}
if global.GVA_CONFIG.AutoCode.TransferRestart {
go func() {
_ = utils.Reload()
}()
}
return errors.New("创建代码成功并移动文件成功")
} else { // 打包
if err := utils.ZipFiles("./ginvueadmin.zip", fileList, ".", "."); err != nil {
return err
}
}
return nil
}
//@author: [piexlmax](https://github.com/piexlmax)
//@function: GetAllTplFile
//@description: 获取 pathName 文件夹下所有 tpl 文件
//@param: pathName string, fileList []string
//@return: []string, error
func GetAllTplFile(pathName string, fileList []string) ([]string, error) {
files, err := ioutil.ReadDir(pathName)
for _, fi := range files {
if fi.IsDir() {
fileList, err = GetAllTplFile(pathName+"/"+fi.Name(), fileList)
if err != nil {
return nil, err
}
} else {
if strings.HasSuffix(fi.Name(), ".tpl") {
fileList = append(fileList, pathName+"/"+fi.Name())
}
}
}
return fileList, err
}
//@author: [piexlmax](https://github.com/piexlmax)
//@function: GetTables
//@description: 获取数据库的所有表名
//@param: dbName string
//@return: err error, TableNames []request.TableReq
func GetTables(dbName string) (err error, TableNames []request.TableReq) {
err = global.GVA_DB.Raw("select table_name as table_name from information_schema.tables where table_schema = ?", dbName).Scan(&TableNames).Error
return err, TableNames
}
//@author: [piexlmax](https://github.com/piexlmax)
//@function: GetDB
//@description: 获取数据库的所有数据库名
//@return: err error, DBNames []request.DBReq
func GetDB() (err error, DBNames []request.DBReq) {
err = global.GVA_DB.Raw("SELECT SCHEMA_NAME AS `database` FROM INFORMATION_SCHEMA.SCHEMATA;").Scan(&DBNames).Error
return err, DBNames
}
//@author: [piexlmax](https://github.com/piexlmax)
//@function: GetDB
//@description: 获取指定数据库和指定数据表的所有字段名,类型值等
//@param: tableName string, dbName string
//@return: err error, Columns []request.ColumnReq
func GetColumn(tableName string, dbName string) (err error, Columns []request.ColumnReq) {
err = global.GVA_DB.Raw("SELECT COLUMN_NAME column_name,DATA_TYPE data_type,CASE DATA_TYPE WHEN 'longtext' THEN c.CHARACTER_MAXIMUM_LENGTH WHEN 'varchar' THEN c.CHARACTER_MAXIMUM_LENGTH WHEN 'double' THEN CONCAT_WS( ',', c.NUMERIC_PRECISION, c.NUMERIC_SCALE ) WHEN 'decimal' THEN CONCAT_WS( ',', c.NUMERIC_PRECISION, c.NUMERIC_SCALE ) WHEN 'int' THEN c.NUMERIC_PRECISION WHEN 'bigint' THEN c.NUMERIC_PRECISION ELSE '' END AS data_type_long,COLUMN_COMMENT column_comment FROM INFORMATION_SCHEMA.COLUMNS c WHERE table_name = ? AND table_schema = ?", tableName, dbName).Scan(&Columns).Error
return err, Columns
}
//@author: [SliverHorn](https://github.com/SliverHorn)
//@author: [songzhibin97](https://github.com/songzhibin97)
//@function: addAutoMoveFile
//@description: 生成对应的迁移文件路径
//@param: *tplData
//@return: null
func addAutoMoveFile(data *tplData) {
base := filepath.Base(data.autoCodePath)
fileSlice := strings.Split(data.autoCodePath, string(os.PathSeparator))
n := len(fileSlice)
if n <= 2 {
return
}
if strings.Contains(fileSlice[1], "server") {
if strings.Contains(fileSlice[n-2], "router") {
data.autoMoveFilePath = filepath.Join(global.GVA_CONFIG.AutoCode.Root, global.GVA_CONFIG.AutoCode.Server,
global.GVA_CONFIG.AutoCode.SRouter, base)
} else if strings.Contains(fileSlice[n-2], "api") {
data.autoMoveFilePath = filepath.Join(global.GVA_CONFIG.AutoCode.Root,
global.GVA_CONFIG.AutoCode.Server, global.GVA_CONFIG.AutoCode.SApi, base)
} else if strings.Contains(fileSlice[n-2], "service") {
data.autoMoveFilePath = filepath.Join(global.GVA_CONFIG.AutoCode.Root,
global.GVA_CONFIG.AutoCode.Server, global.GVA_CONFIG.AutoCode.SService, base)
} else if strings.Contains(fileSlice[n-2], "model") {
data.autoMoveFilePath = filepath.Join(global.GVA_CONFIG.AutoCode.Root,
global.GVA_CONFIG.AutoCode.Server, global.GVA_CONFIG.AutoCode.SModel, base)
} else if strings.Contains(fileSlice[n-2], "request") {
data.autoMoveFilePath = filepath.Join(global.GVA_CONFIG.AutoCode.Root,
global.GVA_CONFIG.AutoCode.Server, global.GVA_CONFIG.AutoCode.SRequest, base)
}
} else if strings.Contains(fileSlice[1], "web") {
if strings.Contains(fileSlice[n-1], "js") {
data.autoMoveFilePath = filepath.Join(global.GVA_CONFIG.AutoCode.Root,
global.GVA_CONFIG.AutoCode.Web, global.GVA_CONFIG.AutoCode.WApi, base)
} else if strings.Contains(fileSlice[n-2], "form") {
data.autoMoveFilePath = filepath.Join(global.GVA_CONFIG.AutoCode.Root,
global.GVA_CONFIG.AutoCode.Web, global.GVA_CONFIG.AutoCode.WForm, filepath.Base(filepath.Dir(filepath.Dir(data.autoCodePath))), strings.TrimSuffix(base, filepath.Ext(base))+"Form.vue")
} else if strings.Contains(fileSlice[n-2], "table") {
data.autoMoveFilePath = filepath.Join(global.GVA_CONFIG.AutoCode.Root,
global.GVA_CONFIG.AutoCode.Web, global.GVA_CONFIG.AutoCode.WTable, filepath.Base(filepath.Dir(filepath.Dir(data.autoCodePath))), base)
}
}
}
//@author: [piexlmax](https://github.com/piexlmax)
//@author: [SliverHorn](https://github.com/SliverHorn)
//@function: CreateApi
//@description: 自动创建api数据,
//@param: a *model.AutoCodeStruct
//@return: err error
func AutoCreateApi(a *model.AutoCodeStruct) (err error) {
var apiList = []model.SysApi{
{
Path: "/" + a.Abbreviation + "/" + "create" + a.StructName,
Description: "新增" + a.Description,
ApiGroup: a.Abbreviation,
Method: "POST",
},
{
Path: "/" + a.Abbreviation + "/" + "delete" + a.StructName,
Description: "删除" + a.Description,
ApiGroup: a.Abbreviation,
Method: "DELETE",
},
{
Path: "/" + a.Abbreviation + "/" + "delete" + a.StructName + "ByIds",
Description: "批量删除" + a.Description,
ApiGroup: a.Abbreviation,
Method: "DELETE",
},
{
Path: "/" + a.Abbreviation + "/" + "update" + a.StructName,
Description: "更新" + a.Description,
ApiGroup: a.Abbreviation,
Method: "PUT",
},
{
Path: "/" + a.Abbreviation + "/" + "find" + a.StructName,
Description: "根据ID获取" + a.Description,
ApiGroup: a.Abbreviation,
Method: "GET",
},
{
Path: "/" + a.Abbreviation + "/" + "get" + a.StructName + "List",
Description: "获取" + a.Description + "列表",
ApiGroup: a.Abbreviation,
Method: "GET",
},
}
err = global.GVA_DB.Transaction(func(tx *gorm.DB) error {
for _, v := range apiList {
var api model.SysApi
if errors.Is(tx.Where("path = ? AND method = ?", v.Path, v.Method).First(&api).Error, gorm.ErrRecordNotFound) {
if err := tx.Create(&v).Error; err != nil { // 遇到错误时回滚事务
return err
}
}
}
return nil
})
return err
}
func getNeedList(autoCode *model.AutoCodeStruct) (dataList []tplData, fileList []string, needMkdir []string, err error) {
// 去除所有空格
utils.TrimSpace(autoCode)
for _, field := range autoCode.Fields {
utils.TrimSpace(field)
}
// 获取 basePath 文件夹下所有tpl文件
tplFileList, err := GetAllTplFile(basePath, nil)
if err != nil {
return nil, nil, nil, err
}
dataList = make([]tplData, 0, len(tplFileList))
fileList = make([]string, 0, len(tplFileList))
needMkdir = make([]string, 0, len(tplFileList)) // 当文件夹下存在多个tpl文件时,改为map更合理
// 根据文件路径生成 tplData 结构体,待填充数据
for _, value := range tplFileList {
dataList = append(dataList, tplData{locationPath: value})
}
// 生成 *Template, 填充 template 字段
for index, value := range dataList {
dataList[index].template, err = template.ParseFiles(value.locationPath)
if err != nil {
return nil, nil, nil, err
}
}
// 生成文件路径,填充 autoCodePath 字段,readme.txt.tpl不符合规则,需要特殊处理
// resource/template/web/api.js.tpl -> autoCode/web/autoCode.PackageName/api/autoCode.PackageName.js
// resource/template/readme.txt.tpl -> autoCode/readme.txt
autoPath := "autoCode/"
for index, value := range dataList {
trimBase := strings.TrimPrefix(value.locationPath, basePath+"/")
if trimBase == "readme.txt.tpl" {
dataList[index].autoCodePath = autoPath + "readme.txt"
continue
}
if lastSeparator := strings.LastIndex(trimBase, "/"); lastSeparator != -1 {
origFileName := strings.TrimSuffix(trimBase[lastSeparator+1:], ".tpl")
firstDot := strings.Index(origFileName, ".")
if firstDot != -1 {
var fileName string
if origFileName[firstDot:] !=".go"{
fileName = autoCode.PackageName+origFileName[firstDot:]
}else{
fileName = autoCode.HumpPackageName+origFileName[firstDot:]
}
dataList[index].autoCodePath = filepath.Join(autoPath, trimBase[:lastSeparator], autoCode.PackageName,
origFileName[:firstDot], fileName)
}
}
if lastSeparator := strings.LastIndex(dataList[index].autoCodePath, string(os.PathSeparator)); lastSeparator != -1 {
needMkdir = append(needMkdir, dataList[index].autoCodePath[:lastSeparator])
}
}
for _, value := range dataList {
fileList = append(fileList, value.autoCodePath)
}
return dataList, fileList, needMkdir, err
}