Added Items and Dashboard

app/javascript/controllers/assignment_controller.js

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+import { Controller } from "@hotwire/stimulus"
+
+export default class extends Controller {
+  static targets = [ "userSection", "roomSection" ]
+
+  toggle(event) {
+    const value = event.target.value
+    const userDropdown = this.userSectionTarget.querySelector('select')
+    const roomDropdown = this.roomSectionTarget.querySelector('select')
+
+    if (value === "user") {
+      this.userSectionTarget.classList.remove("hidden")
+      this.roomSectionTarget.classList.add("hidden")
+      roomDropdown.value = "" // Raum-ID löschen, da ein Artikel nur einen Inhaber haben kann
+    } else if (value === "room") {
+      this.roomSectionTarget.classList.remove("hidden")
+      this.userSectionTarget.classList.add("hidden")
+      userDropdown.value = "" // User-ID löschen
+    } else {
+      // Hauptlager ausgewählt -> Beide ausblenden und Werte in der DB nullen
+      this.userSectionTarget.classList.add("hidden")
+      this.roomSectionTarget.classList.add("hidden")
+      userDropdown.value = ""
+      roomDropdown.value = ""
+    }
+  }
+}