UPD: macfinder: mnarginaly better error hendling

frontend/src/views/tools/Macfinder.vue

@@ -2,7 +2,7 @@
   <div class="macfinder">
     <h1>Macfinder</h1>
     <b-form @submit="createJob">
-      <b-form-group label="Broadcastdomain">
+      <b-form-group invalid-feedback="Ungültige BCD" :state="search_bcd !== null" label="Broadcastdomain">
         <vue-bootstrap-typeahead
           :data="bcds"
           v-model="bcd_query"
@@ -12,7 +12,7 @@
         ></vue-bootstrap-typeahead>
       </b-form-group>
       <b-form-group label="MAC-Adresse" description="Beliebiges Format möglich">
-        <b-input v-model="search_mac" placeholder="MAC-Adresse"></b-input>
+        <b-input required v-model="search_mac" placeholder="MAC-Adresse"></b-input>
       </b-form-group>
       <b-button type="submit" class="float-right" variant="outline-success">
         <font-awesome-icon icon="search"></font-awesome-icon>
@@ -129,6 +129,9 @@ export default {
     },
     async createJob(ev) {
       ev.preventDefault()
+      if (!this.search_bcd) {
+        return false
+      }
       this.search_mac = this.bcd_query = ''
       await MacfinderService.createJob(this.search_bcd.name, this.search_mac)
       await this.refresh()