added room filter

src/components/Rooms.vue

@@ -15,6 +15,13 @@
                         <font-awesome-icon icon="list"/>&nbsp;<font-awesome-icon icon="door-open"/>
                         <strong>Room</strong>&nbsp;<i>list</i>
                     </template>
+                    <div class="mt-3">
+                        <b-button-group>
+                            <b-button variant="success" @click="showAllRooms()">{{$t('All rooms')}}</b-button>
+                            <b-button variant="info" @click="showRoomsWithRecorder()">{{$t('Rooms with recorders')}}</b-button>
+                            <b-button variant="warning" @click="showRoomsWithoutRecorder()">{{$t('Rooms without recorders')}}</b-button>
+                        </b-button-group>
+                    </div>
                     <p>{{ $tc('rooms_defined', rooms.length, {num: rooms.length})}}:</p>
                     <b-card-group deck>
                         <b-card class="mb-2" style="max-width: 30rem; min-width:20rem;" v-for="(room) in rooms"
@@ -330,7 +337,7 @@
 
         <div class="column">
             <section class="section">
-                {{recorders}}
+                {{rooms}}
             </section>
         </div>
 
@@ -351,6 +358,8 @@
         props: [],
         data() {
             return {
+                onlyShowRoomsWithRecorder: false,
+                onlyShowRoomsWithoutRecorder: false,
                 tabIndex: 0,
                 updateValues: {},
                 formEditField: {},
@@ -365,6 +374,18 @@
             };
         },
         methods: {
+            showAllRooms(){
+                this.onlyShowRoomsWithRecorder = false;
+                this.onlyShowRoomsWithoutRecorder = false;
+            },
+            showRoomsWithRecorder(){
+                this.onlyShowRoomsWithRecorder = true;
+                this.onlyShowRoomsWithoutRecorder = false;
+            },
+            showRoomsWithoutRecorder(){
+                this.onlyShowRoomsWithRecorder = false;
+                this.onlyShowRoomsWithoutRecorder = true;
+            },
             saveRoom() {
                 this.$parent.$data.isLoading = true;
                 RoomRepository.createRoom(this.form)
@@ -433,6 +454,16 @@
                 };
             },
             rooms() {
+                if(this.onlyShowRoomsWithRecorder){
+                    return this.$store.state.rooms.filter(item => {
+                        return item.recorder
+                    });
+                }
+                else if(this.onlyShowRoomsWithoutRecorder){
+                    return this.$store.state.rooms.filter(item => {
+                        return !item.recorder
+                    });
+                }
                 return this.$store.state.rooms;
             },
             recorders() {