Start translation to brazilian portuguese

pt-br/code/src/apps/ch.5.5/main.go

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+// Example code for Chapter 5.5
+// Purpose is to show to use BeeDB ORM for basic CRUD operations for sqlite3
+package main
+
+import (
+	"database/sql"
+	"fmt"
+	"github.com/astaxie/beedb"
+	_ "github.com/mattn/go-sqlite3"
+	"time"
+)
+
+var orm beedb.Model
+
+type Userinfo struct {
+	Uid        int `beedb:"PK"`
+	Username   string
+	Department string
+	Created    string
+}
+
+const DB_PATH = "./foo.db"
+
+func checkError(err error) {
+	if err != nil {
+		panic(err)
+	}
+}
+func getTimeStamp() string {
+	return time.Now().Format("2006-01-02 15:04:05")
+}
+func insertUsingStruct() int64 {
+	fmt.Println("insertUsingStruct()")
+	var obj Userinfo
+	obj.Username = "Test Add User"
+	obj.Department = "Test Add Department"
+	obj.Created = getTimeStamp()
+	checkError(orm.Save(&obj))
+	fmt.Printf("%+v\n", obj)
+	return int64(obj.Uid)
+}
+func insertUsingMap() int64 {
+	fmt.Println("insertUsingMap()")
+	add := make(map[string]interface{})
+	add["username"] = "astaxie"
+	add["department"] = "cloud develop"
+	add["created"] = getTimeStamp()
+	id, err := orm.SetTable("userinfo").Insert(add)
+	checkError(err)
+	fmt.Println("Last row inserted id =", id)
+	return id
+}
+
+func getOneUserInfo(id int64) Userinfo {
+	fmt.Println("getOneUserInfo()")
+	var obj Userinfo
+	checkError(orm.Where("uid=?", id).Find(&obj))
+	return obj
+}
+
+func getAllUserInfo(id int64) []Userinfo {
+	fmt.Println("getAllUserInfo()")
+	var alluser []Userinfo
+	checkError(orm.Limit(10).Where("uid>?", id).FindAll(&alluser))
+	return alluser
+}
+
+func updateUserinfo(id int64) {
+	fmt.Println("updateUserinfo()")
+	var obj Userinfo
+	obj.Uid = int(id)
+	obj.Username = "Update Username"
+	obj.Department = "Update Department"
+	obj.Created = getTimeStamp()
+	checkError(orm.Save(&obj))
+	fmt.Printf("%+v\n", obj)
+}
+
+func updateUsingMap(id int64) {
+	fmt.Println("updateUsingMap()")
+	t := make(map[string]interface{})
+	t["username"] = "updateastaxie"
+	//update one
+	// id, err := orm.SetTable("userinfo").SetPK("uid").Where(2).Update(t)
+	//update batch
+	lastId, err := orm.SetTable("userinfo").Where("uid>?", id).Update(t)
+	checkError(err)
+	fmt.Println("Last row updated id =", lastId)
+}
+
+func getMapsFromSelect(id int64) []map[string][]byte {
+	fmt.Println("getMapsFromSelect()")
+	//Original SQL Backinfo resultsSlice []map[string][]byte
+	//default PrimaryKey id
+	c, err := orm.SetTable("userinfo").SetPK("uid").Where(id).Select("uid,username").FindMap()
+	checkError(err)
+	fmt.Printf("%+v\n", c)
+	return c
+}
+
+func groupby() {
+	fmt.Println("groupby()")
+	//Original SQL Group By
+	b, err := orm.SetTable("userinfo").GroupBy("username").Having("username='updateastaxie'").FindMap()
+	checkError(err)
+	fmt.Printf("%+v\n", b)
+}
+
+func joinTables(id int64) {
+	fmt.Println("joinTables()")
+	//Original SQL Join Table
+	a, err := orm.SetTable("userinfo").Join("LEFT", "userdetail", "userinfo.uid=userdetail.uid").Where("userinfo.uid=?", id).Select("userinfo.uid,userinfo.username,userdetail.profile").FindMap()
+	checkError(err)
+	fmt.Printf("%+v\n", a)
+}
+
+func deleteWithUserinfo(id int64) {
+	fmt.Println("deleteWithUserinfo()")
+	obj := getOneUserInfo(id)
+	id, err := orm.Delete(&obj)
+	checkError(err)
+	fmt.Println("Last row deleted id =", id)
+}
+
+func deleteRows() {
+	fmt.Println("deleteRows()")
+	//original SQL delete
+	id, err := orm.SetTable("userinfo").Where("uid>?", 2).DeleteRow()
+	checkError(err)
+	fmt.Println("Last row updated id =", id)
+}
+
+func deleteAllUserinfo(id int64) {
+	fmt.Println("deleteAllUserinfo()")
+	//delete all data
+	alluser := getAllUserInfo(id)
+	id, err := orm.DeleteAll(&alluser)
+	checkError(err)
+	fmt.Println("Last row updated id =", id)
+}
+func main() {
+	db, err := sql.Open("sqlite3", DB_PATH)
+	checkError(err)
+	orm = beedb.New(db)
+	var lastIdInserted int64
+
+	fmt.Println("Inserting")
+	lastIdInserted = insertUsingStruct()
+	insertUsingMap()
+
+	a := getOneUserInfo(lastIdInserted)
+	fmt.Println(a)
+
+	b := getAllUserInfo(lastIdInserted)
+	fmt.Println(b)
+
+	fmt.Println("Updating")
+	updateUserinfo(lastIdInserted)
+	updateUsingMap(lastIdInserted)
+
+	fmt.Println("Querying")
+	getMapsFromSelect(lastIdInserted)
+	groupby()
+	joinTables(lastIdInserted)
+
+	fmt.Println("Deleting")
+	deleteWithUserinfo(lastIdInserted)
+	deleteRows()
+	deleteAllUserinfo(lastIdInserted)
+}