feat: stack model processor

backend/agents/create_list_agent.go

@@ -76,10 +76,10 @@ type createNewListArguments struct {
 type CreateListAgent struct {
 	client client.AgentClient
 
-	listModel models.StackModel
+	stackModel models.StackModel
 }
 
-func (agent *CreateListAgent) CreateList(log *log.Logger, userID uuid.UUID, userReq string) error {
+func (agent *CreateListAgent) CreateList(log *log.Logger, userID uuid.UUID, title string, userReq string) error {
 	request := client.AgentRequestBody{
 		Model:       "policy/images",
 		Temperature: 0.3,
@@ -93,7 +93,10 @@ func (agent *CreateListAgent) CreateList(log *log.Logger, userID uuid.UUID, user
 	}
 
 	request.Chat.AddSystem(agent.client.Options.SystemPrompt)
-	request.Chat.AddUser(userReq)
+
+	req := fmt.Sprintf("List title: %s | Users list description: %s", title, userReq)
+
+	request.Chat.AddUser(req)
 
 	resp, err := agent.client.Request(&request)
 	if err != nil {
@@ -120,12 +123,12 @@ func (agent *CreateListAgent) CreateList(log *log.Logger, userID uuid.UUID, user
 		})
 	}
 
-	_, err = agent.listModel.Save(ctx, userID, createListArgs.Title, createListArgs.Description, model.Progress_Complete)
+	_, err = agent.stackModel.Save(ctx, userID, createListArgs.Title, createListArgs.Description, model.Progress_Complete)
 	if err != nil {
 		return fmt.Errorf("creating list agent, saving list: %w", err)
 	}
 
-	err = agent.listModel.SaveItems(ctx, schemaItems)
+	err = agent.stackModel.SaveItems(ctx, schemaItems)
 	if err != nil {
 		return fmt.Errorf("creating list agent, saving items: %w", err)
 	}

backend/agents/list_agent.go

@@ -176,7 +176,7 @@ type addToListArguments struct {
 	Schema []models.IDValue
 }
 
-func NewListAgent(log *log.Logger, stackModel models.StackModel, limitsMethods limits.LimitsManagerMethods) client.AgentClient {
+func NewStackAgent(log *log.Logger, stackModel models.StackModel, limitsMethods limits.LimitsManagerMethods) client.AgentClient {
 	agentClient := client.CreateAgentClient(client.CreateAgentClientOptions{
 		SystemPrompt: listPrompt,
 		JsonTools:    listTools,

backend/models/stacks.go

@@ -142,6 +142,20 @@ func (m StackModel) SaveSchemaItems(ctx context.Context, imageID uuid.UUID, item
 	return err
 }
 
+// ========================================
+// UPDATE methods
+// ========================================
+
+func (m StackModel) UpdateProcess(ctx context.Context, stackID uuid.UUID, process model.Progress) error {
+	updateStackProgressStmt := Stacks.UPDATE(Stacks.Status).
+		SET(process).
+		WHERE(Stacks.ID.EQ(UUID(stackID)))
+
+	_, err := updateStackProgressStmt.ExecContext(ctx, m.dbPool)
+
+	return err
+}
+
 // ========================================
 // DELETE methods
 // ========================================

backend/notifications/image_notification.go

@@ -9,7 +9,7 @@ import (
 
 const (
 	IMAGE_TYPE = "image"
-	LIST_TYPE  = "list"
+	STACK_TYPE = "list"
 )
 
 type ImageNotification struct {
@@ -21,10 +21,10 @@ type ImageNotification struct {
 	Status string
 }
 
-type ListNotification struct {
+type StackNotification struct {
 	Type string
 
-	ListID uuid.UUID
+	StackID uuid.UUID
 	Name    string
 
 	Status string
@@ -32,7 +32,7 @@ type ListNotification struct {
 
 type Notification struct {
 	image *ImageNotification
-	list  *ListNotification
+	stack *StackNotification
 }
 
 func GetImageNotification(image ImageNotification) Notification {
@@ -41,9 +41,9 @@ func GetImageNotification(image ImageNotification) Notification {
 	}
 }
 
-func GetListNotification(list ListNotification) Notification {
+func GetStackNotification(list StackNotification) Notification {
 	return Notification{
-		list: &list,
+		stack: &list,
 	}
 }
 
@@ -52,8 +52,8 @@ func (n Notification) MarshalJSON() ([]byte, error) {
 		return json.Marshal(n.image)
 	}
 
-	if n.list != nil {
-		return json.Marshal(n.list)
+	if n.stack != nil {
+		return json.Marshal(n.stack)
 	}
 
 	return nil, fmt.Errorf("no image or list present")

backend/processor/image.go

@@ -23,10 +23,7 @@ type ImageProcessor struct {
 	descriptionAgent agents.DescriptionAgent
 	stackAgent       client.AgentClient
 
-	// TODO: add the notifier here
-
 	Processor *Processor[model.Image]
-
 	notifier  *notifications.Notifier[notifications.Notification]
 }
 
@@ -128,7 +125,7 @@ func NewImageProcessor(
 	}
 
 	descriptionAgent := agents.NewDescriptionAgent(logger, imageModel)
-	stackAgent := agents.NewListAgent(logger, listModel, limitsManager)
+	stackAgent := agents.NewStackAgent(logger, listModel, limitsManager)
 
 	imageProcessor := ImageProcessor{
 		imageModel:       imageModel,

backend/processor/stack.go

@@ -0,0 +1,127 @@
+package processor
+
+import (
+	"context"
+	"fmt"
+	"screenmark/screenmark/.gen/haystack/haystack/model"
+	"screenmark/screenmark/agents"
+	"screenmark/screenmark/models"
+	"screenmark/screenmark/notifications"
+	"sync"
+
+	"github.com/charmbracelet/log"
+)
+
+const STACK_PROCESS_AT_A_TIME = 10
+
+// TODO:
+// This processor contains a lot of shared stuff.
+// If we ever want to do more generic stuff with "in-progress" and stuff
+// we can extract that into a common thing
+//
+// However, this will require a pretty big DB shuffle.
+
+type StackProcessor struct {
+	stackModel models.StackModel
+	logger     *log.Logger
+
+	stackAgent agents.CreateListAgent
+
+	Processor *Processor[model.Stacks]
+
+	notifier *notifications.Notifier[notifications.Notification]
+}
+
+func (p *StackProcessor) setStackToProcess(ctx context.Context, stack model.Stacks) {
+	err := p.stackModel.UpdateProcess(ctx, stack.ID, model.Progress_InProgress)
+	if err != nil {
+		// TODO: what can we actually do here for the errors?
+		// We can't stop the work for the others
+
+		p.logger.Error("failed to update stack", "err", err)
+
+		// TODO: we can use context here to actually pass some information through
+		return
+	}
+}
+
+func (p *StackProcessor) extractInfo(ctx context.Context, stack model.Stacks) {
+	err := p.stackAgent.CreateList(p.logger, stack.UserID, stack.Name, stack.Description)
+	if err != nil {
+		// Again, wtf do we do?
+		// Although i think the agent actually returns an error when it's finished
+		p.logger.Error("failed to process image", "err", err)
+		return
+	}
+}
+
+func (p *StackProcessor) processImage(stack model.Stacks) {
+	p.logger.Info("Processing image", "ID", stack.ID)
+
+	ctx := context.Background()
+
+	p.setStackToProcess(ctx, stack)
+
+	var wg sync.WaitGroup
+
+	// Future proofing!
+	wg.Add(1)
+
+	stackNotification := notifications.GetStackNotification(notifications.StackNotification{
+		Type:    notifications.STACK_TYPE,
+		Status:  string(model.Progress_InProgress),
+		StackID: stack.ID,
+		Name:    stack.Name,
+	})
+
+	err := p.notifier.SendAndCreate(stack.UserID.String(), stackNotification)
+	if err != nil {
+		p.logger.Error("sending in progress notification", "err", err)
+		return
+	}
+
+	go func() {
+		p.extractInfo(ctx, stack)
+		wg.Done()
+	}()
+
+	wg.Wait()
+
+	// TODO: there is some repeated code here. The ergonomicts of the notifications,
+	// isn't the best.
+	stackNotification = notifications.GetStackNotification(notifications.StackNotification{
+		Type:    notifications.STACK_TYPE,
+		Status:  string(model.Progress_Complete),
+		StackID: stack.ID,
+		Name:    stack.Name,
+	})
+
+	err = p.notifier.SendAndCreate(stack.UserID.String(), stackNotification)
+	if err != nil {
+		p.logger.Error("sending done notification", "err", err)
+		return
+	}
+}
+
+func NewStackProcessor(
+	logger *log.Logger,
+	stackModel models.StackModel,
+	notifier *notifications.Notifier[notifications.Notification],
+) (StackProcessor, error) {
+	if notifier == nil {
+		return StackProcessor{}, fmt.Errorf("notifier is nil")
+	}
+
+	stackAgent := agents.NewCreateListAgent(logger, stackModel)
+
+	imageProcessor := StackProcessor{
+		logger:     logger,
+		stackModel: stackModel,
+		stackAgent: stackAgent,
+		notifier:   notifier,
+	}
+
+	imageProcessor.Processor = NewProcessor(int(IMAGE_PROCESS_AT_A_TIME), imageProcessor.processImage)
+
+	return imageProcessor, nil
+}

backend/router.go

@@ -41,7 +41,14 @@ func setupRouter(db *sql.DB, jwtManager *ourmiddleware.JwtManager) (chi.Router,
 		return nil, fmt.Errorf("processor: %w", err)
 	}
 
+	stackProcessorLog := createLogger("Stack0 Processor", os.Stdout)
+	stackProcessor, err := processor.NewStackProcessor(stackProcessorLog, stackModel, &notifier)
+	if err != nil {
+		return nil, fmt.Errorf("processor: %w", err)
+	}
+
 	go imageProcessor.Processor.Work()
+	go stackProcessor.Processor.Work()
 
 	stackHandler := stacks.CreateStackHandler(db, limitsManager, jwtManager)
 	authHandler := auth.CreateAuthHandler(db, jwtManager)

backend/stacks/handler.go

@@ -209,14 +209,14 @@ func (h *StackHandler) createStack(body CreateStackBody, w http.ResponseWriter,
 	}
 
 	// TODO: Add the stack processor here
-	_, err = h.stackModel.Save(ctx, userID, body.Title, body.Description, model.Progress_NotStarted)
+	stack, err := h.stackModel.Save(ctx, userID, body.Title, body.Description, model.Progress_NotStarted)
 	if err != nil {
 		h.logger.Warn("could not save stack", "err", err)
 		w.WriteHeader(http.StatusInternalServerError)
 		return
 	}
 
-	w.WriteHeader(http.StatusOK)
+	middleware.WriteJsonOrError(h.logger, stack, w)
 }
 
 func (h *StackHandler) CreateRoutes(r chi.Router) {