fix(db): aggregate store pkgs under db dir

This commit is contained in:
hexxa 2021-10-08 17:32:48 +08:00 committed by Hexxa
parent 8e7dd50efd
commit 4d8a8999a5
15 changed files with 13 additions and 13 deletions

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@ -0,0 +1,199 @@
package fileinfostore
import (
"encoding/json"
"errors"
"fmt"
"sync"
"time"
"github.com/ihexxa/quickshare/src/kvstore"
)
const (
InitNs = "Init"
InfoNs = "sharing"
InitTimeKey = "initTime"
)
var (
ErrNotFound = errors.New("file info not found")
)
func IsNotFound(err error) bool {
return err == ErrNotFound
}
type FileInfo struct {
IsDir bool `json:"isDir"`
Shared bool `json:"shared"`
Sha1 string `json:"sha1"`
}
type IFileInfoStore interface {
AddSharing(dirPath string) error
DelSharing(dirPath string) error
GetSharing(dirPath string) (bool, bool)
ListSharings(prefix string) (map[string]bool, error)
GetInfo(itemPath string) (*FileInfo, error)
SetInfo(itemPath string, info *FileInfo) error
DelInfo(itemPath string) error
SetSha1(itemPath, sign string) error
GetInfos(itemPaths []string) (map[string]*FileInfo, error)
}
type FileInfoStore struct {
mtx *sync.RWMutex
store kvstore.IKVStore
}
func NewFileInfoStore(store kvstore.IKVStore) (*FileInfoStore, error) {
_, ok := store.GetStringIn(InitNs, InitTimeKey)
if !ok {
var err error
for _, nsName := range []string{
InitNs,
InfoNs,
} {
if err = store.AddNamespace(nsName); err != nil {
return nil, err
}
}
}
err := store.SetStringIn(InitNs, InitTimeKey, fmt.Sprintf("%d", time.Now().Unix()))
if err != nil {
return nil, err
}
return &FileInfoStore{
store: store,
mtx: &sync.RWMutex{},
}, nil
}
func (fi *FileInfoStore) AddSharing(dirPath string) error {
fi.mtx.Lock()
defer fi.mtx.Unlock()
info, err := fi.GetInfo(dirPath)
if err != nil {
if !IsNotFound(err) {
return err
}
info = &FileInfo{
IsDir: true,
}
}
info.Shared = true
return fi.SetInfo(dirPath, info)
}
func (fi *FileInfoStore) DelSharing(dirPath string) error {
fi.mtx.Lock()
defer fi.mtx.Unlock()
info, err := fi.GetInfo(dirPath)
if err != nil {
return err
}
info.Shared = false
return fi.SetInfo(dirPath, info)
}
func (fi *FileInfoStore) GetSharing(dirPath string) (bool, bool) {
fi.mtx.Lock()
defer fi.mtx.Unlock()
info, err := fi.GetInfo(dirPath)
if err != nil {
return false, false
}
return info.IsDir && info.Shared, true
}
func (fi *FileInfoStore) ListSharings(prefix string) (map[string]bool, error) {
infoStrs, err := fi.store.ListStringsByPrefixIn(prefix, InfoNs)
if err != nil {
return nil, err
}
info := &FileInfo{}
sharings := map[string]bool{}
for itemPath, infoStr := range infoStrs {
err = json.Unmarshal([]byte(infoStr), info)
if err != nil {
return nil, fmt.Errorf("list sharing error: %w", err)
}
if info.IsDir && info.Shared {
sharings[itemPath] = true
}
}
return sharings, nil
}
func (fi *FileInfoStore) GetInfo(itemPath string) (*FileInfo, error) {
infoStr, ok := fi.store.GetStringIn(InfoNs, itemPath)
if !ok {
return nil, ErrNotFound
}
info := &FileInfo{}
err := json.Unmarshal([]byte(infoStr), info)
if err != nil {
return nil, fmt.Errorf("get file info: %w", err)
}
return info, nil
}
func (fi *FileInfoStore) GetInfos(itemPaths []string) (map[string]*FileInfo, error) {
infos := map[string]*FileInfo{}
for _, itemPath := range itemPaths {
info, err := fi.GetInfo(itemPath)
if err != nil {
if !IsNotFound(err) {
return nil, err
}
continue
}
infos[itemPath] = info
}
return infos, nil
}
func (fi *FileInfoStore) SetInfo(itemPath string, info *FileInfo) error {
infoStr, err := json.Marshal(info)
if err != nil {
return fmt.Errorf("set file info: %w", err)
}
err = fi.store.SetStringIn(InfoNs, itemPath, string(infoStr))
if err != nil {
return fmt.Errorf("set file info: %w", err)
}
return nil
}
func (fi *FileInfoStore) DelInfo(itemPath string) error {
return fi.store.DelStringIn(InfoNs, itemPath)
}
func (fi *FileInfoStore) SetSha1(itemPath, sign string) error {
fi.mtx.Lock()
defer fi.mtx.Unlock()
info, err := fi.GetInfo(itemPath)
if err != nil {
if !IsNotFound(err) {
return err
}
info = &FileInfo{
IsDir: false,
Shared: false,
}
}
info.Sha1 = sign
return fi.SetInfo(itemPath, info)
}

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package fileinfostore
import (
"io/ioutil"
"os"
"testing"
"github.com/ihexxa/quickshare/src/kvstore/boltdbpvd"
)
func TestUserStores(t *testing.T) {
testSharingMethods := func(t *testing.T, store IFileInfoStore) {
dirPaths := []string{"admin/path1", "admin/path1/path2"}
var err error
// add sharings
for _, dirPath := range dirPaths {
err = store.AddSharing(dirPath)
if err != nil {
t.Fatal(err)
}
}
// list sharings
prefix := "admin"
sharingMap, err := store.ListSharings(prefix)
if err != nil {
t.Fatal(err)
}
for _, sharingDir := range dirPaths {
if !sharingMap[sharingDir] {
t.Fatalf("sharing(%s) not found", sharingDir)
}
mustTrue, exist := store.GetSharing(sharingDir)
if !mustTrue || !exist {
t.Fatalf("get sharing(%t %t) should exist", mustTrue, exist)
}
}
// del sharings
for _, dirPath := range dirPaths {
err = store.DelSharing(dirPath)
if err != nil {
t.Fatal(err)
}
}
sharingMap, err = store.ListSharings(prefix)
if err != nil {
t.Fatal(err)
}
for _, dirPath := range dirPaths {
if _, ok := sharingMap[dirPath]; ok {
t.Fatalf("sharing(%s) should not exist", dirPath)
}
shared, exist := store.GetSharing(dirPath)
if shared {
t.Fatalf("get sharing(%t, %t) should not shared but exist", shared, exist)
}
}
}
testInfoMethods := func(t *testing.T, store IFileInfoStore) {
pathInfos := map[string]*FileInfo{
"admin/item": &FileInfo{
Shared: false,
IsDir: false,
Sha1: "file",
},
"admin/dir": &FileInfo{
Shared: true,
IsDir: true,
Sha1: "dir",
},
}
var err error
// add infos
for itemPath, info := range pathInfos {
err = store.SetInfo(itemPath, info)
if err != nil {
t.Fatal(err)
}
}
// get infos
for itemPath, expected := range pathInfos {
info, err := store.GetInfo(itemPath)
if err != nil {
t.Fatal(err)
}
if info.Shared != expected.Shared || info.IsDir != expected.IsDir || info.Sha1 != expected.Sha1 {
t.Fatalf("info not equaled (%v) (%v)", expected, info)
}
}
// del sharings
for itemPath := range pathInfos {
err = store.DelInfo(itemPath)
if err != nil {
t.Fatal(err)
}
}
// get infos
for itemPath := range pathInfos {
_, err := store.GetInfo(itemPath)
if !IsNotFound(err) {
t.Fatal(err)
}
}
}
t.Run("testing FileInfoStore", func(t *testing.T) {
rootPath, err := ioutil.TempDir("./", "quickshare_userstore_test_")
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(rootPath)
kvstore := boltdbpvd.New(rootPath, 1024)
defer kvstore.Close()
store, err := NewFileInfoStore(kvstore)
if err != nil {
t.Fatal("fail to new kvstore", err)
}
testSharingMethods(t, store)
testInfoMethods(t, store)
})
}