Edit.

app/api/handlers.go

@@ -35,17 +35,28 @@ func EventHandlers(r gin.IRoutes) {
 	}))
 
 	r.PUT("/:id", handler(func(c *gin.Context) (interface{}, error) {
-		var body models.EventHandlerUpdate
-		err := parseBody(c, &body)
-		if err != nil {
-			return nil, err
-		}
+
 
 		handler, err := config.EventHandlerRepository().FindByID(ctxOf(c), intParam(c, "id"))
 		if err != nil {
 			return nil, err
 		}
+
+		if c.Query("hard") == "true" {
+			var body models.EventHandler
+			err := parseBody(c, &body)
+			if err != nil || body.ID != intParam(c, "id") {
+				return nil, err
+			}
+			handler = &body
+		} else {
+			var body models.EventHandlerUpdate
+			err := parseBody(c, &body)
+			if err != nil {
+				return nil, err
+			}
 			handler.ApplyUpdate(body)
+		}
 
 		err = config.EventHandlerRepository().Save(ctxOf(c), handler)
 		if err != nil {

app/client/handler.go

@@ -16,6 +16,26 @@ func (client *Client) GetHandlers(ctx context.Context) ([]models.EventHandler, e
 	return handlers, nil
 }
 
+func (client *Client) GetHandler(ctx context.Context, id int) (*models.EventHandler, error) {
+	var handler models.EventHandler
+	err := client.Fetch(ctx, "GET", fmt.Sprintf("/api/event-handlers/%d", id), &handler, nil)
+	if err != nil {
+		return nil, err
+	}
+
+	return &handler, nil
+}
+
+func (client *Client) PutHandler(ctx context.Context, handler *models.EventHandler) (*models.EventHandler, error) {
+	var response models.EventHandler
+	err := client.Fetch(ctx, "PUT", fmt.Sprintf("/api/event-handlers/%d", handler.ID), &response, handler)
+	if err != nil {
+		return nil, err
+	}
+
+	return &response, nil
+}
+
 func (client *Client) AddHandler(ctx context.Context, handler models.EventHandler) (*models.EventHandler, error) {
 	var result models.EventHandler
 	err := client.Fetch(ctx, "POST", "/api/event-handlers", &result, handler)

cmd/lucy/handlercmd.go

@@ -7,6 +7,7 @@ import (
 	"git.aiterp.net/lucifer/new-server/models"
 	"log"
 	"os"
+	"strings"
 )
 
 func handlerCmd(
@@ -38,6 +39,98 @@ func handlerCmd(
 			log.Fatalln("Search filter needed!")
 		}
 		model.TargetKind, model.TargetValue = models.ParseFetchString(*fetchStr)
+		model = applyCmdToHandler(model, cmd)
+
+		newHandler, err := c.AddHandler(ctx, model)
+		if err != nil {
+			log.Fatalln(err)
+		}
+
+		WriteHandlerInfoTable(os.Stdout, []models.EventHandler{*newHandler})
+	case "edit":
+		id := cmd.Params.Get(0).IntOr(0)
+		if id == 0 {
+			log.Fatalln("ID missing")
+		}
+
+		model, err := c.GetHandler(ctx, id)
+		if err != nil {
+			log.Fatalln(err.Error())
+		}
+
+		eventStr := cmd.Params.Get("event").String()
+		if eventStr != nil {
+			model.EventName = *eventStr
+		}
+
+		fetchStr := cmd.Params.Get("search").String()
+		if fetchStr != nil {
+			model.TargetKind, model.TargetValue = models.ParseFetchString(*fetchStr)
+		}
+
+		modified := applyCmdToHandler(*model, cmd)
+		returned, err := c.PutHandler(ctx, &modified)
+		if err != nil {
+			log.Fatalln(err.Error())
+		}
+
+		WriteHandlerInfoTable(os.Stdout, []models.EventHandler{*returned})
+	case "delete":
+		id := cmd.Params.Get(0).Int()
+		if id == nil {
+			log.Fatalln("ID missing")
+		}
+
+		handler, err := c.DeleteHandler(ctx, *id)
+		if err != nil {
+			log.Fatalln(err)
+		}
+
+		WriteHandlerInfoTable(os.Stdout, []models.EventHandler{*handler})
+	default:
+		if cmd.Name != "help" {
+			log.Println("Unknown command:", cmd.Name)
+		}
+
+		_, _ = fmt.Fprintln(os.Stderr, helpString[1:])
+	}
+}
+
+func applyCmdToHandler(model models.EventHandler, cmd Command) models.EventHandler {
+	// Remove keys
+	for _, elem := range cmd.Params.Strings(1) {
+		if elem[0] != '-' {
+			continue
+		}
+		keyToRemove := elem[1:]
+
+		if strings.HasPrefix(keyToRemove, "conditions.") {
+			condKeyToRemove := keyToRemove[11:]
+			delete(model.Conditions, condKeyToRemove)
+		} else if strings.HasPrefix(keyToRemove, "fire.payload.") && model.Actions.FireEvent != nil {
+			firePayloadKeyToRemove := keyToRemove[13:]
+			delete(model.Actions.FireEvent.Payload, firePayloadKeyToRemove)
+		} else {
+			switch keyToRemove {
+			case "set-power":
+				model.Actions.SetPower = nil
+			case "set-color":
+				model.Actions.SetColor = nil
+			case "set-intensity":
+				model.Actions.SetIntensity = nil
+			case "add-intensity":
+				model.Actions.AddIntensity = nil
+			case "fire":
+				fallthrough
+			case "fire.name":
+				model.Actions.FireEvent = nil
+			case "from":
+				model.From = models.Never
+			case "to":
+				model.To = models.Never
+			}
+		}
+	}
 
 	// From / To
 	model.From = cmd.Params.Get("from").TimeOfDayOr(models.Never)
@@ -80,29 +173,5 @@ func handlerCmd(
 		}
 	}
 
-		newHandler, err := c.AddHandler(ctx, model)
-		if err != nil {
-			log.Fatalln(err)
-		}
-
-		WriteHandlerInfoTable(os.Stdout, []models.EventHandler{*newHandler})
-	case "delete":
-		id := cmd.Params.Get(0).Int()
-		if id == nil {
-			log.Fatalln("ID missing")
-		}
-
-		handler, err := c.DeleteHandler(ctx, *id)
-		if err != nil {
-			log.Fatalln(err)
-		}
-
-		WriteHandlerInfoTable(os.Stdout, []models.EventHandler{*handler})
-	default:
-		if cmd.Name != "help" {
-			log.Println("Unknown command:", cmd.Name)
-		}
-
-		_, _ = fmt.Fprintln(os.Stderr, helpString[1:])
-	}
+	return model
 }

cmd/lucy/help.go

@@ -23,6 +23,13 @@ EVENT HANDLER COMMANDS
               <set-power=B> <set-color=C> <set-intensity=F> <set-temperature=N> \
               <add-intensity=F> \
               <fire.name=S> <fire.payload.*=S>
+  handler edit <id> \
+               (...all arguments from 'add', appending conditions and fire payload matchers...) \
+               <event=S> <search=S>
+               <-from> <-to> \
+               <-set-power> <-set-color> <-set-intensity> <-set-temperature> \
+               <-conditions.*> \
+               <-fire> <-fire.payload.*>
   handler delete <id>
 
 EVENT COMMANDS