128 lines
3.2 KiB
Go

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
}