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g_hproseappcode.go
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g_hproseappcode.go
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/**********************************************************\
| |
| hprose |
| |
| Official WebSite: http://www.hprose.com/ |
| http://www.hprose.org/ |
| |
\**********************************************************/
/**********************************************************\
* *
* Build rpc application use Hprose base on beego *
* *
* LastModified: Oct 23, 2014 *
* Author: Liu jian <laoliu@lanmv.com> *
* *
\**********************************************************/
package generate
import (
"database/sql"
"fmt"
"os"
"path"
"strings"
beeLogger "github.com/beego/bee/logger"
"github.com/beego/bee/logger/colors"
"github.com/beego/bee/utils"
_ "github.com/go-sql-driver/mysql"
_ "github.com/lib/pq"
)
var Hproseconf = `appname = {{.Appname}}
httpport = 8080
runmode = dev
autorender = false
copyrequestbody = true
EnableDocs = true
`
var HproseMaingo = `package main
import (
"fmt"
"reflect"
"{{.Appname}}/models"
"github.com/hprose/hprose-golang/rpc"
"github.com/astaxie/beego"
)
func logInvokeHandler(
name string,
args []reflect.Value,
context rpc.Context,
next rpc.NextInvokeHandler) (results []reflect.Value, err error) {
fmt.Printf("%s(%v) = ", name, args)
results, err = next(name, args, context)
fmt.Printf("%v %v\r\n", results, err)
return
}
func main() {
// Create WebSocketServer
// service := rpc.NewWebSocketService()
// Create Http Server
service := rpc.NewHTTPService()
// Use Logger Middleware
service.AddInvokeHandler(logInvokeHandler)
// Publish Functions
service.AddFunction("AddOne", models.AddOne)
service.AddFunction("GetOne", models.GetOne)
// Start Service
beego.Handler("/", service)
beego.Run()
}
`
var HproseMainconngo = `package main
import (
"fmt"
"reflect"
"{{.Appname}}/models"
"github.com/hprose/hprose-golang/rpc"
"github.com/astaxie/beego"
"github.com/astaxie/beego/orm"
{{.DriverPkg}}
)
func init() {
orm.RegisterDataBase("default", "{{.DriverName}}", "{{.conn}}")
}
func logInvokeHandler(
name string,
args []reflect.Value,
context rpc.Context,
next rpc.NextInvokeHandler) (results []reflect.Value, err error) {
fmt.Printf("%s(%v) = ", name, args)
results, err = next(name, args, context)
fmt.Printf("%v %v\r\n", results, err)
return
}
func main() {
// Create WebSocketServer
// service := rpc.NewWebSocketService()
// Create Http Server
service := rpc.NewHTTPService()
// Use Logger Middleware
service.AddInvokeHandler(logInvokeHandler)
{{HproseFunctionList}}
// Start Service
beego.Handler("/", service)
beego.Run()
}
`
var HproseModels = `package models
import (
"errors"
"strconv"
"time"
)
var (
Objects map[string]*Object
)
type Object struct {
ObjectId string
Score int64
PlayerName string
}
func init() {
Objects = make(map[string]*Object)
Objects["hjkhsbnmn123"] = &Object{"hjkhsbnmn123", 100, "astaxie"}
Objects["mjjkxsxsaa23"] = &Object{"mjjkxsxsaa23", 101, "someone"}
}
func AddOne(object Object) (ObjectId string) {
object.ObjectId = "astaxie" + strconv.FormatInt(time.Now().UnixNano(), 10)
Objects[object.ObjectId] = &object
return object.ObjectId
}
func GetOne(ObjectId string) (object *Object, err error) {
if v, ok := Objects[ObjectId]; ok {
return v, nil
}
return nil, errors.New("ObjectId Not Exist")
}
func GetAll() map[string]*Object {
return Objects
}
func Update(ObjectId string, Score int64) (err error) {
if v, ok := Objects[ObjectId]; ok {
v.Score = Score
return nil
}
return errors.New("ObjectId Not Exist")
}
func Delete(ObjectId string) {
delete(Objects, ObjectId)
}
`
var HproseModels2 = `package models
import (
"errors"
"strconv"
"time"
)
var (
UserList map[string]*User
)
func init() {
UserList = make(map[string]*User)
u := User{"user_11111", "astaxie", "11111", Profile{"male", 20, "Singapore", "astaxie@gmail.com"}}
UserList["user_11111"] = &u
}
type User struct {
Id string
Username string
Password string
Profile Profile
}
type Profile struct {
Gender string
Age int
Address string
Email string
}
func AddUser(u User) string {
u.Id = "user_" + strconv.FormatInt(time.Now().UnixNano(), 10)
UserList[u.Id] = &u
return u.Id
}
func GetUser(uid string) (u *User, err error) {
if u, ok := UserList[uid]; ok {
return u, nil
}
return nil, errors.New("User not exists")
}
func GetAllUsers() map[string]*User {
return UserList
}
func UpdateUser(uid string, uu *User) (a *User, err error) {
if u, ok := UserList[uid]; ok {
if uu.Username != "" {
u.Username = uu.Username
}
if uu.Password != "" {
u.Password = uu.Password
}
if uu.Profile.Age != 0 {
u.Profile.Age = uu.Profile.Age
}
if uu.Profile.Address != "" {
u.Profile.Address = uu.Profile.Address
}
if uu.Profile.Gender != "" {
u.Profile.Gender = uu.Profile.Gender
}
if uu.Profile.Email != "" {
u.Profile.Email = uu.Profile.Email
}
return u, nil
}
return nil, errors.New("User Not Exist")
}
func Login(username, password string) bool {
for _, u := range UserList {
if u.Username == username && u.Password == password {
return true
}
}
return false
}
func DeleteUser(uid string) {
delete(UserList, uid)
}
`
var HproseAddFunctions = []string{}
func GenerateHproseAppcode(driver, connStr, level, tables, currpath string) {
var mode byte
switch level {
case "1":
mode = OModel
case "2":
mode = OModel | OController
case "3":
mode = OModel | OController | ORouter
default:
beeLogger.Log.Fatal("Invalid 'level' option. Level must be either \"1\", \"2\" or \"3\"")
}
var selectedTables map[string]bool
if tables != "" {
selectedTables = make(map[string]bool)
for _, v := range strings.Split(tables, ",") {
selectedTables[v] = true
}
}
switch driver {
case "mysql":
case "postgres":
case "sqlite":
beeLogger.Log.Fatal("Generating app code from SQLite database is not supported yet")
default:
beeLogger.Log.Fatalf("Unknown database driver '%s'. Driver must be one of mysql, postgres or sqlite", driver)
}
genHprose(driver, connStr, mode, selectedTables, currpath)
}
// Generate takes table, column and foreign key information from database connection
// and generate corresponding golang source files
func genHprose(dbms, connStr string, mode byte, selectedTableNames map[string]bool, currpath string) {
db, err := sql.Open(dbms, connStr)
if err != nil {
beeLogger.Log.Fatalf("Could not connect to '%s' database using '%s': %s", dbms, connStr, err)
}
defer db.Close()
if trans, ok := dbDriver[dbms]; ok {
beeLogger.Log.Info("Analyzing database tables...")
tableNames := trans.GetTableNames(db)
tables := getTableObjects(tableNames, db, trans)
mvcPath := new(MvcPath)
mvcPath.ModelPath = path.Join(currpath, "models")
createPaths(mode, mvcPath)
pkgPath := getPackagePath(currpath)
writeHproseSourceFiles(pkgPath, tables, mode, mvcPath, selectedTableNames)
} else {
beeLogger.Log.Fatalf("Generating app code from '%s' database is not supported yet", dbms)
}
}
// writeHproseSourceFiles generates source files for model/controller/router
// It will wipe the following directories and recreate them:./models, ./controllers, ./routers
// Newly geneated files will be inside these folders.
func writeHproseSourceFiles(pkgPath string, tables []*Table, mode byte, paths *MvcPath, selectedTables map[string]bool) {
if (OModel & mode) == OModel {
beeLogger.Log.Info("Creating model files...")
writeHproseModelFiles(tables, paths.ModelPath, selectedTables)
}
}
// writeHproseModelFiles generates model files
func writeHproseModelFiles(tables []*Table, mPath string, selectedTables map[string]bool) {
w := colors.NewColorWriter(os.Stdout)
for _, tb := range tables {
// if selectedTables map is not nil and this table is not selected, ignore it
if selectedTables != nil {
if _, selected := selectedTables[tb.Name]; !selected {
continue
}
}
filename := getFileName(tb.Name)
fpath := path.Join(mPath, filename+".go")
var f *os.File
var err error
if utils.IsExist(fpath) {
beeLogger.Log.Warnf("'%s' already exists. Do you want to overwrite it? [Yes|No] ", fpath)
if utils.AskForConfirmation() {
f, err = os.OpenFile(fpath, os.O_RDWR|os.O_TRUNC, 0666)
if err != nil {
beeLogger.Log.Warnf("%s", err)
continue
}
} else {
beeLogger.Log.Warnf("Skipped create file '%s'", fpath)
continue
}
} else {
f, err = os.OpenFile(fpath, os.O_CREATE|os.O_RDWR, 0666)
if err != nil {
beeLogger.Log.Warnf("%s", err)
continue
}
}
var template string
if tb.Pk == "" {
template = HproseStructModelTPL
} else {
template = HproseModelTPL
HproseAddFunctions = append(HproseAddFunctions, strings.Replace(HproseAddFunction, "{{modelName}}", utils.CamelCase(tb.Name), -1))
}
fileStr := strings.Replace(template, "{{modelStruct}}", tb.String(), 1)
fileStr = strings.Replace(fileStr, "{{modelName}}", utils.CamelCase(tb.Name), -1)
// if table contains time field, import time.Time package
timePkg := ""
importTimePkg := ""
if tb.ImportTimePkg {
timePkg = "\"time\"\n"
importTimePkg = "import \"time\"\n"
}
fileStr = strings.Replace(fileStr, "{{timePkg}}", timePkg, -1)
fileStr = strings.Replace(fileStr, "{{importTimePkg}}", importTimePkg, -1)
if _, err := f.WriteString(fileStr); err != nil {
beeLogger.Log.Fatalf("Could not write model file to '%s'", fpath)
}
utils.CloseFile(f)
fmt.Fprintf(w, "\t%s%screate%s\t %s%s\n", "\x1b[32m", "\x1b[1m", "\x1b[21m", fpath, "\x1b[0m")
utils.FormatSourceCode(fpath)
}
}
const (
HproseAddFunction = `
// publish about {{modelName}} function
service.AddFunction("Add{{modelName}}", models.Add{{modelName}})
service.AddFunction("Get{{modelName}}ById", models.Get{{modelName}}ById)
service.AddFunction("GetAll{{modelName}}", models.GetAll{{modelName}})
service.AddFunction("Update{{modelName}}ById", models.Update{{modelName}}ById)
service.AddFunction("Delete{{modelName}}", models.Delete{{modelName}})
`
HproseStructModelTPL = `package models
{{importTimePkg}}
{{modelStruct}}
`
HproseModelTPL = `package models
import (
"errors"
"fmt"
"reflect"
"strings"
{{timePkg}}
"github.com/astaxie/beego/orm"
)
{{modelStruct}}
func init() {
orm.RegisterModel(new({{modelName}}))
}
// Add{{modelName}} insert a new {{modelName}} into database and returns
// last inserted Id on success.
func Add{{modelName}}(m *{{modelName}}) (id int64, err error) {
o := orm.NewOrm()
id, err = o.Insert(m)
return
}
// Get{{modelName}}ById retrieves {{modelName}} by Id. Returns error if
// Id doesn't exist
func Get{{modelName}}ById(id int) (v *{{modelName}}, err error) {
o := orm.NewOrm()
v = &{{modelName}}{Id: id}
if err = o.Read(v); err == nil {
return v, nil
}
return nil, err
}
// GetAll{{modelName}} retrieves all {{modelName}} matches certain condition. Returns empty list if
// no records exist
func GetAll{{modelName}}(query map[string]string, fields []string, sortby []string, order []string,
offset int64, limit int64) (ml []interface{}, err error) {
o := orm.NewOrm()
qs := o.QueryTable(new({{modelName}}))
// query k=v
for k, v := range query {
// rewrite dot-notation to Object__Attribute
k = strings.Replace(k, ".", "__", -1)
qs = qs.Filter(k, v)
}
// order by:
var sortFields []string
if len(sortby) != 0 {
if len(sortby) == len(order) {
// 1) for each sort field, there is an associated order
for i, v := range sortby {
orderby := ""
if order[i] == "desc" {
orderby = "-" + v
} else if order[i] == "asc" {
orderby = v
} else {
return nil, errors.New("Error: Invalid order. Must be either [asc|desc]")
}
sortFields = append(sortFields, orderby)
}
qs = qs.OrderBy(sortFields...)
} else if len(sortby) != len(order) && len(order) == 1 {
// 2) there is exactly one order, all the sorted fields will be sorted by this order
for _, v := range sortby {
orderby := ""
if order[0] == "desc" {
orderby = "-" + v
} else if order[0] == "asc" {
orderby = v
} else {
return nil, errors.New("Error: Invalid order. Must be either [asc|desc]")
}
sortFields = append(sortFields, orderby)
}
} else if len(sortby) != len(order) && len(order) != 1 {
return nil, errors.New("Error: 'sortby', 'order' sizes mismatch or 'order' size is not 1")
}
} else {
if len(order) != 0 {
return nil, errors.New("Error: unused 'order' fields")
}
}
var l []{{modelName}}
qs = qs.OrderBy(sortFields...)
if _, err = qs.Limit(limit, offset).All(&l, fields...); err == nil {
if len(fields) == 0 {
for _, v := range l {
ml = append(ml, v)
}
} else {
// trim unused fields
for _, v := range l {
m := make(map[string]interface{})
val := reflect.ValueOf(v)
for _, fname := range fields {
m[fname] = val.FieldByName(fname).Interface()
}
ml = append(ml, m)
}
}
return ml, nil
}
return nil, err
}
// Update{{modelName}} updates {{modelName}} by Id and returns error if
// the record to be updated doesn't exist
func Update{{modelName}}ById(m *{{modelName}}) (err error) {
o := orm.NewOrm()
v := {{modelName}}{Id: m.Id}
// ascertain id exists in the database
if err = o.Read(&v); err == nil {
var num int64
if num, err = o.Update(m); err == nil {
fmt.Println("Number of records updated in database:", num)
}
}
return
}
// Delete{{modelName}} deletes {{modelName}} by Id and returns error if
// the record to be deleted doesn't exist
func Delete{{modelName}}(id int) (err error) {
o := orm.NewOrm()
v := {{modelName}}{Id: id}
// ascertain id exists in the database
if err = o.Read(&v); err == nil {
var num int64
if num, err = o.Delete(&{{modelName}}{Id: id}); err == nil {
fmt.Println("Number of records deleted in database:", num)
}
}
return
}
`
)