Add storage retrieval solution for http handler
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parent
e6754a1e92
commit
350b040a59
@ -17,8 +17,9 @@ import (
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"git.defalsify.org/vise.git/persist"
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"git.defalsify.org/vise.git/resource"
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"git.defalsify.org/vise.git/logging"
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"git.grassecon.net/urdt/ussd/internal/handlers/ussd"
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httpserver "git.grassecon.net/urdt/ussd/http"
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httpserver "git.grassecon.net/urdt/ussd/internal/http"
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)
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var (
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@ -77,7 +78,7 @@ func getHandler(appFlags *asm.FlagParser, rs *resource.DbResource, userdataStore
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return ussdHandlers, nil
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}
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func getPersister(dbDir string, ctx context.Context) (*persist.Persister, error) {
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func getStateStore(dbDir string, ctx context.Context) (db.Db, error) {
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err := os.MkdirAll(dbDir, 0700)
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if err != nil {
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return nil, fmt.Errorf("state dir create exited with error: %v\n", err)
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@ -85,8 +86,7 @@ func getPersister(dbDir string, ctx context.Context) (*persist.Persister, error)
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store := gdbmdb.NewGdbmDb()
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storeFile := path.Join(dbDir, "state.gdbm")
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store.Connect(ctx, storeFile)
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pr := persist.NewPersister(store)
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return pr, nil
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return store, nil
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}
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func getUserdataDb(dbDir string, ctx context.Context) db.Db {
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@ -160,7 +160,7 @@ func main() {
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// os.Exit(1)
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// }
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store := getUserdataDb(dbDir, ctx)
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userdataStore := getUserdataDb(dbDir, ctx)
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if err != nil {
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fmt.Fprintf(os.Stderr, err.Error())
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os.Exit(1)
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@ -171,21 +171,27 @@ func main() {
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os.Exit(1)
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}
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hl, err := getHandler(flagParser, dbResource, store)
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hl, err := getHandler(flagParser, dbResource, userdataStore)
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if err != nil {
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fmt.Fprintf(os.Stderr, err.Error())
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os.Exit(1)
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}
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sh := httpserver.NewSessionHandler(cfg, rs, store, hl.Init)
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stateStore, err := getStateStore(dbDir, ctx)
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if err != nil {
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fmt.Fprintf(os.Stderr, err.Error())
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os.Exit(1)
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}
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sh := httpserver.NewSessionHandler(cfg, rs, userdataStore, stateStore, hl.Init)
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s := &http.Server{
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Addr: fmt.Sprintf("%s:%s", host, strconv.Itoa(port)),
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Addr: fmt.Sprintf("%s:%s", host, strconv.Itoa(int(port))),
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Handler: sh,
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}
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err = engine.Loop(ctx, en, os.Stdin, os.Stdout)
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err = s.ListenAndServe()
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if err != nil {
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fmt.Fprintf(os.Stderr, "loop exited with error: %v\n", err)
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fmt.Fprintf(os.Stderr, "Server error: %s", err)
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os.Exit(1)
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}
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}
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20
cmd/main.go
20
cmd/main.go
@ -34,10 +34,11 @@ func getFlags(fp string, debug bool) (*asm.FlagParser, error) {
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func getHandler(appFlags *asm.FlagParser, rs *resource.DbResource, pe *persist.Persister, userdataStore db.Db) (*ussd.Handlers, error) {
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ussdHandlers, err := ussd.NewHandlers(appFlags, pe, userdataStore)
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ussdHandlers, err := ussd.NewHandlers(appFlags, userdataStore)
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if err != nil {
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return nil, err
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}
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ussdHandlers = ussdHandlers.WithPersister(pe)
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rs.AddLocalFunc("select_language", ussdHandlers.SetLanguage)
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rs.AddLocalFunc("create_account", ussdHandlers.CreateAccount)
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rs.AddLocalFunc("save_pin", ussdHandlers.SavePin)
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@ -104,6 +105,11 @@ func getResource(resourceDir string, ctx context.Context) (resource.Resource, er
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return rfs, nil
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}
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func getEngine(cfg engine.Config, rs resource.Resource, pr *persist.Persister) *engine.DefaultEngine {
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en := engine.NewEngine(cfg, rs)
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en = en.WithPersister(pr)
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return en
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}
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func main() {
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var dbDir string
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@ -142,7 +148,7 @@ func main() {
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os.Exit(1)
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}
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pr, err := getPersister(dbDir, ctx)
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pe, err := getPersister(dbDir, ctx)
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if err != nil {
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fmt.Fprintf(os.Stderr, err.Error())
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os.Exit(1)
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@ -156,13 +162,17 @@ func main() {
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dbResource, ok := rs.(*resource.DbResource)
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if !ok {
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fmt.Fprintf(os.Stderr, err.Error())
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os.Exit(1)
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}
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hl := getHandler(flagParser, dbResource, store)
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hl = hl.WithPersister(pe)
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hl, err := getHandler(flagParser, dbResource, pe, store)
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if err != nil {
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fmt.Fprintf(os.Stderr, err.Error())
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os.Exit(1)
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}
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en := getEngine(cfg, rs, pr)
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en := getEngine(cfg, rs, pe)
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en = en.WithFirst(hl.Init)
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if debug {
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en = en.WithDebug(nil)
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@ -4,7 +4,6 @@ import (
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"fmt"
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"io/ioutil"
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"net/http"
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"os"
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"git.defalsify.org/vise.git/db"
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"git.defalsify.org/vise.git/engine"
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@ -37,14 +36,16 @@ type SessionHandler struct {
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rp RequestParser
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rs resource.Resource
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first resource.EntryFunc
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provider StorageProvider
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}
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func NewSessionHandler(cfg engine.Config, rs resource.Resource, userdataDb db.Db, first resource.EntryFunc) *SessionHandler {
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func NewSessionHandler(cfg engine.Config, rs resource.Resource, stateDb db.Db, userdataDb db.Db, first resource.EntryFunc) *SessionHandler {
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return &SessionHandler{
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cfgTemplate: cfg,
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rs: rs,
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first: first,
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rp: RequestParser{},
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provider: NewSimpleStorageProvider(stateDb, userdataDb),
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}
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}
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@ -76,7 +77,12 @@ func(f *SessionHandler) ServeHTTP(w http.ResponseWriter, req *http.Request) {
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cfg := f.cfgTemplate
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cfg.SessionId = sessionId
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en := getEngine(cfg, f.rs, f.pr)
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storage, err := f.provider.Get(cfg.SessionId)
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if err != nil {
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f.writeError(w, 500, "Storage retrieval fail", err)
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return
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}
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en := getEngine(cfg, f.rs, storage.Persister)
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en = en.WithFirst(f.first)
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if cfg.EngineDebug {
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en = en.WithDebug(nil)
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@ -87,17 +93,11 @@ func(f *SessionHandler) ServeHTTP(w http.ResponseWriter, req *http.Request) {
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} else {
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r, err = en.Exec(ctx, input)
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}
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_, err = en.Init(ctx)
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if err != nil {
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fmt.Fprintf(os.Stderr, "engine init exited with error: %v\n", err)
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os.Exit(1)
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}
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if err != nil {
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f.writeError(w, 500, "Engine exec fail", err)
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return
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}
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w.WriteHeader(200)
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w.Header().Set("Content-Type", "text/plain")
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_, err = en.WriteResult(ctx, w)
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@ -111,7 +111,6 @@ func(f *SessionHandler) ServeHTTP(w http.ResponseWriter, req *http.Request) {
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return
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}
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_ = r
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}
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func getEngine(cfg engine.Config, rs resource.Resource, pr *persist.Persister) *engine.DefaultEngine {
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43
internal/http/storage.go
Normal file
43
internal/http/storage.go
Normal file
@ -0,0 +1,43 @@
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package http
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import (
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"git.defalsify.org/vise.git/db"
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"git.defalsify.org/vise.git/persist"
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)
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type Storage struct {
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Persister *persist.Persister
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UserdataDb db.Db
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}
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type StorageProvider interface {
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Get(sessionId string) (Storage, error)
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Put(sessionId string, storage Storage) error
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Close() error
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}
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type SimpleStorageProvider struct {
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Storage
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}
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func NewSimpleStorageProvider(stateStore db.Db, userdataStore db.Db) StorageProvider {
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pe := persist.NewPersister(stateStore)
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return &SimpleStorageProvider{
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Storage: Storage{
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Persister: pe,
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UserdataDb: userdataStore,
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},
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}
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}
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func (*SimpleStorageProvider) Get(sessionId string) (Storage, error) {
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return Storage{}, nil
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}
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func (*SimpleStorageProvider) Put(sessionId string, storage Storage) error {
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return nil
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}
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func (*SimpleStorageProvider) Close() error {
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return nil
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}
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