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go modules and vendoring section explain why not yet, in my opinion let's stick with the current system until gophers get acquainted with the new go modules and how it works - I putted a link to the TOC in order to help them

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Former-commit-id: 572527152de5808c834546ca1373de716046770e
This commit is contained in:
Gerasimos (Makis) Maropoulos
2018-09-01 02:06:56 +03:00
parent e6bd3c1f0c
commit 4fd9886a10
4 changed files with 39 additions and 36 deletions
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20
_examples/tutorial/url-shortener/store.go
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@@ -3,7 +3,7 @@ package main
import (
"bytes"
"github.com/etcd-io/bbolt"
bolt "github.com/etcd-io/bbolt"
)
// Panic panics, change it if you don't want to panic on critical INITIALIZE-ONLY-ERRORS
@@ -28,17 +28,17 @@ var (
// Only one table/bucket which contains the urls, so it's not a fully Database,
// it works only with single bucket because that all we need.
type DB struct {
db *bbolt.DB
db *bolt.DB
}
var _ Store = &DB{}
// openDatabase open a new database connection
// and returns its instance.
func openDatabase(stumb string) *bbolt.DB {
func openDatabase(stumb string) *bolt.DB {
// Open the data(base) file in the current working directory.
// It will be created if it doesn't exist.
db, err := bbolt.Open(stumb, 0600, nil)
db, err := bolt.Open(stumb, 0600, nil)
if err != nil {
Panic(err)
}
@@ -48,7 +48,7 @@ func openDatabase(stumb string) *bbolt.DB {
tableURLs,
}
db.Update(func(tx *bbolt.Tx) (err error) {
db.Update(func(tx *bolt.Tx) (err error) {
for _, table := range tables {
_, err = tx.CreateBucketIfNotExists(table)
if err != nil {
@@ -73,7 +73,7 @@ func NewDB(stumb string) *DB {
// Set sets a shorten url and its key
// Note: Caller is responsible to generate a key.
func (d *DB) Set(key string, value string) error {
return d.db.Update(func(tx *bbolt.Tx) error {
return d.db.Update(func(tx *bolt.Tx) error {
b, err := tx.CreateBucketIfNotExists(tableURLs)
// Generate ID for the url
// Note: we could use that instead of a random string key
@@ -106,7 +106,7 @@ func (d *DB) Set(key string, value string) error {
// Clear clears all the database entries for the table urls.
func (d *DB) Clear() error {
return d.db.Update(func(tx *bbolt.Tx) error {
return d.db.Update(func(tx *bolt.Tx) error {
return tx.DeleteBucket(tableURLs)
})
}
@@ -116,7 +116,7 @@ func (d *DB) Clear() error {
// Returns an empty string if not found.
func (d *DB) Get(key string) (value string) {
keyB := []byte(key)
d.db.Update(func(tx *bbolt.Tx) error {
d.db.Update(func(tx *bolt.Tx) error {
b := tx.Bucket(tableURLs)
if b == nil {
return nil
@@ -138,7 +138,7 @@ func (d *DB) Get(key string) (value string) {
// GetByValue returns all keys for a specific (original) url value.
func (d *DB) GetByValue(value string) (keys []string) {
valueB := []byte(value)
d.db.Update(func(tx *bbolt.Tx) error {
d.db.Update(func(tx *bolt.Tx) error {
b := tx.Bucket(tableURLs)
if b == nil {
return nil
@@ -159,7 +159,7 @@ func (d *DB) GetByValue(value string) (keys []string) {
// Len returns all the "shorted" urls length
func (d *DB) Len() (num int) {
d.db.View(func(tx *bbolt.Tx) error {
d.db.View(func(tx *bolt.Tx) error {
// Assume bucket exists and has keys
b := tx.Bucket(tableURLs)