call memory's pop to free cache's current level

devtools/admin/main.go

@@ -8,6 +8,7 @@ import (
 	"path"
 
 	"git.defalsify.org/vise.git/logging"
+	"git.defalsify.org/vise.git/engine"
 
 	"git.grassecon.net/grassrootseconomics/sarafu-vise/config"
 	"git.grassecon.net/grassrootseconomics/sarafu-vise/handlers/application"
@@ -18,6 +19,7 @@ import (
 var (
 	logg      = logging.NewVanilla().WithContextKey("SessionId")
 	scriptDir = path.Join("services", "registration")
+	menuSeparator = ": "
 )
 
 func main() {
@@ -25,6 +27,8 @@ func main() {
 
 	override := config.NewOverride()
 	var sessionId string
+	var size uint
+	var engineDebug bool
 
 	flag.StringVar(&sessionId, "session-id", "075xx2123", "session id")
 	flag.StringVar(&override.DbConn, "c", "?", "default connection string (replaces all unspecified strings)")
@@ -32,6 +36,8 @@ func main() {
 
 	flag.StringVar(&override.UserConn, "userdata", "?", "userdata store connection string")
 	flag.StringVar(&override.StateConn, "state", "?", "state store connection string")
+	flag.BoolVar(&engineDebug, "d", false, "use engine debug output")
+	flag.UintVar(&size, "s", 160, "max size of output")
 	flag.Parse()
 
 	config.Apply(override)
@@ -50,7 +56,18 @@ func main() {
 		os.Exit(1)
 	}
 
+	cfg := engine.Config{
+		Root:              "root",
+		SessionId:         sessionId,
+		OutputSize:        uint32(size),
+		FlagCount:         uint32(128),
+		MenuSeparator:     menuSeparator,
+		EngineDebug:       engineDebug,
+		ResetOnEmptyInput: true,
+	}
+
 	x := cmd.NewCmd(sessionId, flagParser)
+	x = x.WithEngine(cfg)
 	err = x.Parse(flag.Args())
 	if err != nil {
 		fmt.Fprintf(os.Stderr, "cmd parse fail: %v\n", err)

go.mod

@@ -3,7 +3,7 @@ module git.grassecon.net/grassrootseconomics/sarafu-vise
 go 1.23.4
 
 require (
-	git.defalsify.org/vise.git v0.3.1
+	git.defalsify.org/vise.git v0.3.2-0.20250326034808-b9c2294cbf1a
 	git.grassecon.net/grassrootseconomics/common v0.0.0-20250121134736-ba8cbbccea7d
 	git.grassecon.net/grassrootseconomics/sarafu-api v0.9.0-beta.1.0.20250310093912-8145b4bd004b
 	git.grassecon.net/grassrootseconomics/visedriver v0.9.0-beta.2

go.sum

@@ -1,5 +1,5 @@
-git.defalsify.org/vise.git v0.3.1 h1:A6FhMcur09ft/JzUPGXR+KpA17fltfeBnasyvLMZmq4=
-git.defalsify.org/vise.git v0.3.1/go.mod h1:jyBMe1qTYUz3mmuoC9JQ/TvFeW0vTanCUcPu3H8p4Ck=
+git.defalsify.org/vise.git v0.3.2-0.20250326034808-b9c2294cbf1a h1:5uLBUZC6armYgBPkuNEsQPtqT3qZxRfNP4HUdkhjm4I=
+git.defalsify.org/vise.git v0.3.2-0.20250326034808-b9c2294cbf1a/go.mod h1:jyBMe1qTYUz3mmuoC9JQ/TvFeW0vTanCUcPu3H8p4Ck=
 git.grassecon.net/grassrootseconomics/common v0.0.0-20250121134736-ba8cbbccea7d h1:5mzLas+jxTUtusOKx4XvU+n2QvrV/mH17MnJRy46siQ=
 git.grassecon.net/grassrootseconomics/common v0.0.0-20250121134736-ba8cbbccea7d/go.mod h1:wgQJZGIS6QuNLHqDhcsvehsbn5PvgV7aziRebMnJi60=
 git.grassecon.net/grassrootseconomics/sarafu-api v0.9.0-beta.1.0.20250310093912-8145b4bd004b h1:xiTpaqWWoF5qcnarY/9ZkT6aVdnKwqztb2gzIahJn4w=

internal/cmd/cmd.go

@@ -5,21 +5,32 @@ import (
 	"fmt"
 
 	"git.defalsify.org/vise.git/logging"
+	"git.defalsify.org/vise.git/engine"
+	"git.defalsify.org/vise.git/persist"
+	"git.defalsify.org/vise.git/resource"
+	"git.defalsify.org/vise.git/state"
 	"git.grassecon.net/grassrootseconomics/sarafu-vise/handlers/application"
 	"git.grassecon.net/grassrootseconomics/visedriver/storage"
 )
 
+var argc map[string]int = map[string]int{
+	"reset": 0,
+	"admin": 1,
+}
+
 var (
 	logg = logging.NewVanilla().WithDomain("cmd").WithContextKey("SessionId")
 )
 
 type Cmd struct {
-	sessionId  string
-	conn       storage.ConnData
-	flagParser *application.FlagManager
-	cmd        int
-	enable     bool
-	exec       func(ctx context.Context, ss storage.StorageService) error
+	sessionId    string
+	conn         storage.ConnData
+	flagParser   *application.FlagManager
+	cmd          int
+	enable       bool
+	exec         func(ctx context.Context, ss storage.StorageService) error
+	engineConfig *engine.Config
+	st           *state.State
 }
 
 func NewCmd(sessionId string, flagParser *application.FlagManager) *Cmd {
@@ -29,10 +40,74 @@ func NewCmd(sessionId string, flagParser *application.FlagManager) *Cmd {
 	}
 }
 
+func (c *Cmd) WithEngine(engineConfig engine.Config) *Cmd {
+	c.engineConfig = &engineConfig
+	return c
+}
+
 func (c *Cmd) Exec(ctx context.Context, ss storage.StorageService) error {
 	return c.exec(ctx, ss)
 }
 
+func (c *Cmd) engine(ctx context.Context, rs resource.Resource, pe *persist.Persister) (engine.Engine, error) {
+	if c.engineConfig == nil {
+		return nil, fmt.Errorf("engine config missing")
+	}
+	en := engine.NewEngine(*c.engineConfig, rs)
+
+	st := pe.GetState()
+	if st == nil {
+		return nil, fmt.Errorf("persister state fail")
+	}
+	en = en.WithState(st)
+	st.UseDebug()
+	ca := pe.GetMemory()
+	if ca == nil {
+		return nil, fmt.Errorf("persister cache fail")
+	}
+	en = en.WithMemory(ca)
+	logg.DebugCtxf(ctx, "state loaded", "state", st)
+	return en, nil
+}
+
+func (c *Cmd) execReset(ctx context.Context, ss storage.StorageService) error {
+	pe, err := ss.GetPersister(ctx)
+	if err != nil {
+		return fmt.Errorf("get persister error: %v", err)
+	}
+	rs, err := ss.GetResource(ctx)
+	if err != nil {
+		return fmt.Errorf("get resource error: %v", err)
+	}
+	dbResource, ok := rs.(*resource.DbResource)
+	if !ok {
+		return fmt.Errorf("get dbresource error: %v", err)
+	}
+	err = pe.Load(c.engineConfig.SessionId)
+	if err != nil {
+		return fmt.Errorf("persister load error: %v", err)
+	}
+	en, err := c.engine(ctx, dbResource, pe)
+	if err != nil {
+		return err
+	}
+	ca := pe.GetMemory()
+	ca.Pop()
+
+	_, err = en.(*engine.DefaultEngine).Reset(ctx, false)
+	if err != nil {
+		return err
+	}
+	st := pe.GetState()
+	logg.DebugCtxf(ctx, "state after reset", "state", st)
+
+	err = pe.Save(c.engineConfig.SessionId)
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
 func (c *Cmd) execAdmin(ctx context.Context, ss storage.StorageService) error {
 	pe, err := ss.GetPersister(ctx)
 	if err != nil {
@@ -76,13 +151,33 @@ func (c *Cmd) parseCmdAdmin(cmd string, param string, more []string) (bool, erro
 	return false, nil
 }
 
+func (c *Cmd) parseCmdReset(cmd string, param string, more []string) (bool, error) {
+	if cmd == "reset" {
+		c.enable = false
+		c.exec = c.execReset
+		return true, nil
+	}
+	return false, nil
+}
+
 func (c *Cmd) Parse(args []string) error {
-	if len(args) < 2 {
+	var param string
+	if len(args) < 1 {
 		return fmt.Errorf("Wrong number of arguments: %v", args)
 	}
 	cmd := args[0]
-	param := args[1]
-	args = args[2:]
+
+	n, ok := argc[cmd]
+	if !ok {
+		return fmt.Errorf("invalid command: %v", cmd)
+	}
+	if n > 0 {
+		if len(args) < n+1 {
+			return fmt.Errorf("Wrong number of arguments, need: %d", n)
+		}
+		param = args[1]
+		args = args[2:]
+	}
 
 	r, err := c.parseCmdAdmin(cmd, param, args)
 	if err != nil {
@@ -92,5 +187,13 @@ func (c *Cmd) Parse(args []string) error {
 		return nil
 	}
 
+	r, err = c.parseCmdReset(cmd, param, args)
+	if err != nil {
+		return err
+	}
+	if r {
+		return nil
+	}
+
 	return fmt.Errorf("unknown subcommand: %s", cmd)
 }