Merge branch '16-room-calendar' into 'development'

Resolve "room calendar"

See merge request htwk-software/htwkalender!86

docker-compose.yml

@@ -21,8 +21,9 @@ services:
       context: ./services
       target: dev  # prod
     command: "--http=0.0.0.0:8090 --dir=/htwkalender-data-manager/data/pb_data"
-    #ports:
+    ports:
-    #  - "8090:8090"
+      - "8090:8090"
+      - "50051:50051"
     volumes:
       - pb_data:/htwkalender-data-manager/data # for production with volume
       # - ./data-manager:/htwkalender/data # for development with bind mount from project directory

frontend/src/helpers/url.ts

@@ -0,0 +1,25 @@
+//Calendar implementation for the HTWK Leipzig timetable. Evaluation and display of the individual dates in iCal format.
+//Copyright (C) 2024 HTWKalender support@htwkalender.de
+
+//This program is free software: you can redistribute it and/or modify
+//it under the terms of the GNU Affero General Public License as published by
+//the Free Software Foundation, either version 3 of the License, or
+//(at your option) any later version.
+
+//This program is distributed in the hope that it will be useful,
+//but WITHOUT ANY WARRANTY; without even the implied warranty of
+//MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//GNU Affero General Public License for more details.
+
+//You should have received a copy of the GNU Affero General Public License
+//along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+import { inject } from "vue";
+
+const domain = import.meta.env.SSR
+  ? inject<string>("domain")!
+  : window.location.hostname;
+
+export function getLink(path: string, selectedRoom: string) {
+  return "https://" + domain + path + selectedRoom;
+}

frontend/src/i18n/translations/de.json

@@ -27,7 +27,8 @@
     "dropDownSelect": "Bitte wähle einen Raum aus",
     "noRoomsAvailable": "Keine Räume verfügbar",
     "available": "verfügbar",
-    "occupied": "belegt"
+    "occupied": "belegt",
+    "roomIcal": "iCal für "
   },
   "freeRooms": {
     "freeRooms": "Freie Räume",

frontend/src/i18n/translations/en.json

@@ -27,7 +27,8 @@
     "dropDownSelect": "please select a room",
     "noRoomsAvailable": "no rooms listed",
     "available": "available",
-    "occupied": "occupied"
+    "occupied": "occupied",
+    "roomIcal": "iCal for "
   },
   "freeRooms": {
     "freeRooms": "free rooms",

frontend/src/view/CalendarLink.vue

@@ -19,19 +19,14 @@ along with this program.  If not, see <https://www.gnu.org/licenses/>.
 <script lang="ts" setup>
 import tokenStore from "@/store/tokenStore.ts";
 import { useToast } from "primevue/usetoast";
-import { computed, inject, onMounted } from "vue";
+import { computed, onMounted } from "vue";
 import { router } from "@/main";
 import { useI18n } from "vue-i18n";
+import { getLink } from "@/helpers/url.ts";
 
 const { t } = useI18n({ useScope: "global" });
 
 const toast = useToast();
-const domain = import.meta.env.SSR
-  ? inject<string>("domain")!
-  : window.location.hostname;
-
-const getLink = () =>
-  "https://" + domain + "/api/feed?token=" + tokenStore().token;
 
 const show = () => {
   toast.add({
@@ -42,6 +37,15 @@ const show = () => {
   });
 };
 
+const failedClipboard = () => {
+  toast.add({
+    severity: "error",
+    summary: t("calendarLink.copyToastError"),
+    detail: t("calendarLink.copyToastErrorDetail"),
+    life: 3000,
+  });
+};
+
 onMounted(() => {
   rerouteIfTokenIsEmpty();
 });
@@ -54,27 +58,20 @@ function rerouteIfTokenIsEmpty() {
 
 function copyToClipboard() {
   // Copy the text inside the text field
-  navigator.clipboard.writeText(getLink()).then(show, () => {
+  navigator.clipboard.writeText(getLink("/api/feed?token=", tokenStore().token)).then(() => show(),() => failedClipboard());
-    toast.add({
-      severity: "error",
-      summary: t("calendarLink.copyToastError"),
-      detail: t("calendarLink.copyToastErrorDetail"),
-      life: 3000,
-    });
-  });
 }
 
 const forwardToGoogle = () => {
   window.open(
     "https://calendar.google.com/calendar/u/0/r?cid=" +
-      encodeURI(getLink().replace("https://", "http://")),
+      encodeURI(getLink("/api/feed?token=", tokenStore().token).replace("https://", "http://")),
   );
 };
 
 const forwardToMicrosoft = () => {
   window.open(
     "https://outlook.live.com/owa?path=/calendar/action/compose&rru=addsubscription&name=HTWK%20Kalender&url=" +
-      encodeURI(getLink()),
+      encodeURI(getLink("/api/feed?token=", tokenStore().token)),
   );
 };
 
@@ -117,7 +114,7 @@ const actions = computed(() => [
   <div class="flex flex-column mt-8">
     <div class="flex align-items-center justify-content-center m-2">
       <h2 class="text-base md:text-2xl">
-        {{ getLink() }}
+        {{ getLink("/api/feed?token=", tokenStore().token) }}
       </h2>
     </div>
     <div class="flex align-items-center justify-content-center m-2">

frontend/src/view/DynamicPage.vue

@@ -30,6 +30,18 @@ defineProps<{
     disabled: boolean;
     onClick: () => void;
   };
+  upperButton?: {
+    label: string;
+    icon: string;
+    disabled: boolean;
+    onClick: () => void;
+  };
+  lowerButton?: {
+    label: string;
+    icon: string;
+    disabled: boolean;
+    onClick: () => void;
+  };
 }>();
 
 const slots = useSlots();
@@ -98,6 +110,23 @@ const hasContent = computed(() => {
           @click="button.onClick()"
         />
       </div>
+      <div
+        v-if="lowerButton"
+        class="flex flex-wrap my-3 gap-2 align-items-center justify-content-end"
+      >
+        <Button
+          :disabled="lowerButton.disabled"
+          class="col-12 md:col-4"
+          :icon="lowerButton.icon"
+          :label="lowerButton.label"
+          @click="lowerButton.onClick()"
+        />
+      </div>
+      <div
+        v-if="button"
+        class="flex flex-wrap my-3 gap-2 align-items-center justify-content-end"
+      >
+      </div>
     </div>
   </div>
 </template>

frontend/src/view/rooms/FreeRooms.vue

@@ -118,7 +118,7 @@ along with this program.  If not, see <https://www.gnu.org/licenses/>.
         :rows="10"
         :global-filter-fields="['room']"
       >
-        <Column field="room" sortable :header="$t('freeRooms.room')">
+        <Column field="room" :sortable="true" :header="$t('freeRooms.room')">
           <template #filter="{ filterModel, filterCallback }">
             <InputText
               v-model="filterModel.value"

frontend/src/view/rooms/RoomFinder.vue

@@ -23,6 +23,29 @@ import DynamicPage from "@/view/DynamicPage.vue";
 import RoomOccupation from "@/components/RoomOccupation.vue";
 import { computedAsync } from "@vueuse/core";
 import { router } from "@/main";
+import { useI18n } from "vue-i18n";
+import { useToast } from "primevue/usetoast";
+import { getLink } from "@/helpers/url.ts";
+const { t } = useI18n({ useScope: "global" });
+const toast = useToast();
+
+const show = () => {
+  toast.add({
+    severity: "info",
+    summary: t("calendarLink.copyToastSummary"),
+    detail: t("calendarLink.copyToastNotification"),
+    life: 3000,
+  });
+};
+
+const failedClipboard = () => {
+    toast.add({
+      severity: "error",
+      summary: t("calendarLink.copyToastError"),
+      detail: t("calendarLink.copyToastErrorDetail"),
+      life: 3000,
+    });
+};
 
 type Room = {
   name: string;
@@ -80,6 +103,21 @@ watch(selectedRoom, (newRoom: Room) => {
     });
   }
 });
+
+
+const button = computed(() => {
+  return {
+    label: t("roomFinderPage.roomIcal") + selectedRoom.value.name,
+    icon: "pi pi-clone",
+    disabled: selectedRoom.value.name === "",
+    onClick: () => {
+      // Copy iCal link to clipboard
+      // localhost/api/feed/room?id=selectedRoom.value.name
+      navigator.clipboard.writeText(getLink("/api/feed/room?id=",  selectedRoom.value.name)).then(() => show, () => failedClipboard)
+    },
+  };
+});
+
 </script>
 
 <template>
@@ -88,6 +126,7 @@ watch(selectedRoom, (newRoom: Room) => {
     :headline="$t('roomFinderPage.headline')"
     :sub-title="$t('roomFinderPage.detail')"
     icon="pi pi-search"
+    :lower-button="button"
   >
     <template #selection>
       <Dropdown
@@ -104,5 +143,10 @@ watch(selectedRoom, (newRoom: Room) => {
     <template #content>
       <RoomOccupation :room="selectedRoom.name" />
     </template>
+      <Button
+        class="col-12 md:col-4 mt-3"
+        :label="$t('roomFinderPage.reset')"
+        @click="selectedRoom.name = ''"
+      />
   </DynamicPage>
 </template>

reverseproxy.conf

@@ -193,6 +193,24 @@ http {
         ssl_certificate     cal.htwk-leipzig.de.pem;
         ssl_certificate_key cal.htwk-leipzig.de.key.pem;
 
+        location /api/feed/room {
+            proxy_pass http://htwkalender-ical:8091;
+            client_max_body_size 2m;
+            proxy_connect_timeout 600s;
+            proxy_read_timeout 600s;
+            proxy_send_timeout 600s;
+            send_timeout 600s;
+            proxy_cache_bypass 0;
+            proxy_no_cache     0;
+            proxy_cache        mcache; # mcache=RAM
+            proxy_cache_valid 200 301 302  10m;
+            proxy_cache_valid 403 404      5m;
+            proxy_cache_lock   on;
+            proxy_cache_use_stale timeout updating;
+            add_header X-Proxy-Cache $upstream_cache_status;
+            limit_req zone=modules burst=5 nodelay;
+        }
+
         location /api/feed {
             limit_req zone=createFeed nodelay;
             limit_req zone=feed burst=10 nodelay;

reverseproxy.dev.conf

@@ -145,6 +145,24 @@ http {
         ssl_certificate     dev_htwkalender_de.pem;
         ssl_certificate_key dev_htwkalender_de.key.pem;
 
+        location /api/feed/room {
+            proxy_pass http://htwkalender-ical:8091;
+            client_max_body_size 2m;
+            proxy_connect_timeout 600s;
+            proxy_read_timeout 600s;
+            proxy_send_timeout 600s;
+            send_timeout 600s;
+            proxy_cache_bypass 0;
+            proxy_no_cache     0;
+            proxy_cache        mcache; # mcache=RAM
+            proxy_cache_valid 200 301 302  10m;
+            proxy_cache_valid 403 404      5m;
+            proxy_cache_lock   on;
+            proxy_cache_use_stale timeout updating;
+            add_header X-Proxy-Cache $upstream_cache_status;
+            limit_req zone=modules burst=5 nodelay;
+        }
+
         location /api/feed {
             limit_req zone=createFeed nodelay;
             limit_req zone=feed burst=10 nodelay;

services/common/genproto/modules/room.pb.go

@@ -0,0 +1,225 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.28.1
+// 	protoc        v3.21.12
+// source: room.proto
+
+package modules
+
+import (
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	reflect "reflect"
+	sync "sync"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+type GetRoomResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Room   string   `protobuf:"bytes,1,opt,name=room,proto3" json:"room,omitempty"`
+	Events []*Event `protobuf:"bytes,2,rep,name=events,proto3" json:"events,omitempty"`
+}
+
+func (x *GetRoomResponse) Reset() {
+	*x = GetRoomResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_room_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *GetRoomResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*GetRoomResponse) ProtoMessage() {}
+
+func (x *GetRoomResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_room_proto_msgTypes[0]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use GetRoomResponse.ProtoReflect.Descriptor instead.
+func (*GetRoomResponse) Descriptor() ([]byte, []int) {
+	return file_room_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *GetRoomResponse) GetRoom() string {
+	if x != nil {
+		return x.Room
+	}
+	return ""
+}
+
+func (x *GetRoomResponse) GetEvents() []*Event {
+	if x != nil {
+		return x.Events
+	}
+	return nil
+}
+
+type GetRoomRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Room string `protobuf:"bytes,1,opt,name=room,proto3" json:"room,omitempty"`
+}
+
+func (x *GetRoomRequest) Reset() {
+	*x = GetRoomRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_room_proto_msgTypes[1]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *GetRoomRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*GetRoomRequest) ProtoMessage() {}
+
+func (x *GetRoomRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_room_proto_msgTypes[1]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use GetRoomRequest.ProtoReflect.Descriptor instead.
+func (*GetRoomRequest) Descriptor() ([]byte, []int) {
+	return file_room_proto_rawDescGZIP(), []int{1}
+}
+
+func (x *GetRoomRequest) GetRoom() string {
+	if x != nil {
+		return x.Room
+	}
+	return ""
+}
+
+var File_room_proto protoreflect.FileDescriptor
+
+var file_room_proto_rawDesc = []byte{
+	0x0a, 0x0a, 0x72, 0x6f, 0x6f, 0x6d, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x1a, 0x0d, 0x6d, 0x6f,
+	0x64, 0x75, 0x6c, 0x65, 0x73, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x22, 0x45, 0x0a, 0x0f, 0x47,
+	0x65, 0x74, 0x52, 0x6f, 0x6f, 0x6d, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x12, 0x12,
+	0x0a, 0x04, 0x72, 0x6f, 0x6f, 0x6d, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x04, 0x72, 0x6f,
+	0x6f, 0x6d, 0x12, 0x1e, 0x0a, 0x06, 0x65, 0x76, 0x65, 0x6e, 0x74, 0x73, 0x18, 0x02, 0x20, 0x03,
+	0x28, 0x0b, 0x32, 0x06, 0x2e, 0x45, 0x76, 0x65, 0x6e, 0x74, 0x52, 0x06, 0x65, 0x76, 0x65, 0x6e,
+	0x74, 0x73, 0x22, 0x24, 0x0a, 0x0e, 0x47, 0x65, 0x74, 0x52, 0x6f, 0x6f, 0x6d, 0x52, 0x65, 0x71,
+	0x75, 0x65, 0x73, 0x74, 0x12, 0x12, 0x0a, 0x04, 0x72, 0x6f, 0x6f, 0x6d, 0x18, 0x01, 0x20, 0x01,
+	0x28, 0x09, 0x52, 0x04, 0x72, 0x6f, 0x6f, 0x6d, 0x32, 0x43, 0x0a, 0x0b, 0x52, 0x6f, 0x6f, 0x6d,
+	0x53, 0x65, 0x72, 0x76, 0x69, 0x63, 0x65, 0x12, 0x34, 0x0a, 0x0d, 0x47, 0x65, 0x74, 0x52, 0x6f,
+	0x6f, 0x6d, 0x45, 0x76, 0x65, 0x6e, 0x74, 0x73, 0x12, 0x0f, 0x2e, 0x47, 0x65, 0x74, 0x52, 0x6f,
+	0x6f, 0x6d, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x1a, 0x10, 0x2e, 0x47, 0x65, 0x74, 0x52,
+	0x6f, 0x6f, 0x6d, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x22, 0x00, 0x42, 0x1c, 0x5a,
+	0x1a, 0x68, 0x74, 0x77, 0x6b, 0x61, 0x6c, 0x65, 0x6e, 0x64, 0x65, 0x72, 0x2f, 0x63, 0x6f, 0x6d,
+	0x6d, 0x6f, 0x6e, 0x2f, 0x6d, 0x6f, 0x64, 0x75, 0x6c, 0x65, 0x73, 0x62, 0x06, 0x70, 0x72, 0x6f,
+	0x74, 0x6f, 0x33,
+}
+
+var (
+	file_room_proto_rawDescOnce sync.Once
+	file_room_proto_rawDescData = file_room_proto_rawDesc
+)
+
+func file_room_proto_rawDescGZIP() []byte {
+	file_room_proto_rawDescOnce.Do(func() {
+		file_room_proto_rawDescData = protoimpl.X.CompressGZIP(file_room_proto_rawDescData)
+	})
+	return file_room_proto_rawDescData
+}
+
+var file_room_proto_msgTypes = make([]protoimpl.MessageInfo, 2)
+var file_room_proto_goTypes = []interface{}{
+	(*GetRoomResponse)(nil), // 0: GetRoomResponse
+	(*GetRoomRequest)(nil),  // 1: GetRoomRequest
+	(*Event)(nil),           // 2: Event
+}
+var file_room_proto_depIdxs = []int32{
+	2, // 0: GetRoomResponse.events:type_name -> Event
+	1, // 1: RoomService.GetRoomEvents:input_type -> GetRoomRequest
+	0, // 2: RoomService.GetRoomEvents:output_type -> GetRoomResponse
+	2, // [2:3] is the sub-list for method output_type
+	1, // [1:2] is the sub-list for method input_type
+	1, // [1:1] is the sub-list for extension type_name
+	1, // [1:1] is the sub-list for extension extendee
+	0, // [0:1] is the sub-list for field type_name
+}
+
+func init() { file_room_proto_init() }
+func file_room_proto_init() {
+	if File_room_proto != nil {
+		return
+	}
+	file_modules_proto_init()
+	if !protoimpl.UnsafeEnabled {
+		file_room_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*GetRoomResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_room_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*GetRoomRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_room_proto_rawDesc,
+			NumEnums:      0,
+			NumMessages:   2,
+			NumExtensions: 0,
+			NumServices:   1,
+		},
+		GoTypes:           file_room_proto_goTypes,
+		DependencyIndexes: file_room_proto_depIdxs,
+		MessageInfos:      file_room_proto_msgTypes,
+	}.Build()
+	File_room_proto = out.File
+	file_room_proto_rawDesc = nil
+	file_room_proto_goTypes = nil
+	file_room_proto_depIdxs = nil
+}

services/common/genproto/modules/room_grpc.pb.go

@@ -0,0 +1,105 @@
+// Code generated by protoc-gen-go-grpc. DO NOT EDIT.
+// versions:
+// - protoc-gen-go-grpc v1.2.0
+// - protoc             v3.21.12
+// source: room.proto
+
+package modules
+
+import (
+	context "context"
+	grpc "google.golang.org/grpc"
+	codes "google.golang.org/grpc/codes"
+	status "google.golang.org/grpc/status"
+)
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the grpc package it is being compiled against.
+// Requires gRPC-Go v1.32.0 or later.
+const _ = grpc.SupportPackageIsVersion7
+
+// RoomServiceClient is the client API for RoomService service.
+//
+// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream.
+type RoomServiceClient interface {
+	GetRoomEvents(ctx context.Context, in *GetRoomRequest, opts ...grpc.CallOption) (*GetRoomResponse, error)
+}
+
+type roomServiceClient struct {
+	cc grpc.ClientConnInterface
+}
+
+func NewRoomServiceClient(cc grpc.ClientConnInterface) RoomServiceClient {
+	return &roomServiceClient{cc}
+}
+
+func (c *roomServiceClient) GetRoomEvents(ctx context.Context, in *GetRoomRequest, opts ...grpc.CallOption) (*GetRoomResponse, error) {
+	out := new(GetRoomResponse)
+	err := c.cc.Invoke(ctx, "/RoomService/GetRoomEvents", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+// RoomServiceServer is the server API for RoomService service.
+// All implementations must embed UnimplementedRoomServiceServer
+// for forward compatibility
+type RoomServiceServer interface {
+	GetRoomEvents(context.Context, *GetRoomRequest) (*GetRoomResponse, error)
+	mustEmbedUnimplementedRoomServiceServer()
+}
+
+// UnimplementedRoomServiceServer must be embedded to have forward compatible implementations.
+type UnimplementedRoomServiceServer struct {
+}
+
+func (UnimplementedRoomServiceServer) GetRoomEvents(context.Context, *GetRoomRequest) (*GetRoomResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method GetRoomEvents not implemented")
+}
+func (UnimplementedRoomServiceServer) mustEmbedUnimplementedRoomServiceServer() {}
+
+// UnsafeRoomServiceServer may be embedded to opt out of forward compatibility for this service.
+// Use of this interface is not recommended, as added methods to RoomServiceServer will
+// result in compilation errors.
+type UnsafeRoomServiceServer interface {
+	mustEmbedUnimplementedRoomServiceServer()
+}
+
+func RegisterRoomServiceServer(s grpc.ServiceRegistrar, srv RoomServiceServer) {
+	s.RegisterService(&RoomService_ServiceDesc, srv)
+}
+
+func _RoomService_GetRoomEvents_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(GetRoomRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(RoomServiceServer).GetRoomEvents(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/RoomService/GetRoomEvents",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(RoomServiceServer).GetRoomEvents(ctx, req.(*GetRoomRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+// RoomService_ServiceDesc is the grpc.ServiceDesc for RoomService service.
+// It's only intended for direct use with grpc.RegisterService,
+// and not to be introspected or modified (even as a copy)
+var RoomService_ServiceDesc = grpc.ServiceDesc{
+	ServiceName: "RoomService",
+	HandlerType: (*RoomServiceServer)(nil),
+	Methods: []grpc.MethodDesc{
+		{
+			MethodName: "GetRoomEvents",
+			Handler:    _RoomService_GetRoomEvents_Handler,
+		},
+	},
+	Streams:  []grpc.StreamDesc{},
+	Metadata: "room.proto",
+}

services/data-manager/service/db/dbRooms.go

@@ -94,7 +94,7 @@ func GetRoomScheduleForDay(app *pocketbase.PocketBase, room string, date string)
 	return events, nil
 }
 
-func GetRoomSchedule(app *pocketbase.PocketBase, room string, from string, to string) ([]model.Event, error) {
+func GetRoomScheduleInTimeSpan(app *pocketbase.PocketBase, room string, from string, to string) ([]model.Event, error) {
 	var events []model.Event
 
 	fromDate, err := time.Parse("2006-01-02", from)
@@ -118,3 +118,17 @@ func GetRoomSchedule(app *pocketbase.PocketBase, room string, from string, to st
 	}
 	return events, nil
 }
+
+func GetRoomSchedule(app *pocketbase.PocketBase, room string) ([]model.Event, error) {
+	var events []model.Event
+
+	// get all events from event records in the events collection
+	err := app.Dao().DB().Select("*").From("events").
+		Where(dbx.Like("Rooms", room).Escape("_", "_")).
+		GroupBy("Week", "Start", "End", "Rooms").
+		All(&events)
+	if err != nil {
+		return nil, err
+	}
+	return events, nil
+}

services/data-manager/service/grpc/roomService.go

@@ -0,0 +1,36 @@
+package grpc
+
+import (
+	"context"
+	"github.com/pocketbase/pocketbase"
+	pb "htwkalender/common/genproto/modules"
+	"htwkalender/data-manager/service/db"
+	"log/slog"
+)
+
+type RoomServiceHandler struct {
+	app *pocketbase.PocketBase
+	pb.UnimplementedRoomServiceServer
+}
+
+func (s *RoomServiceHandler) GetRoomEvents(ctx context.Context, in *pb.GetRoomRequest) (*pb.GetRoomResponse, error) {
+
+	s.app.Logger().Info(
+		"Protobuf - GetRoomEvents",
+		"room", in.Room,
+	)
+
+	slog.Error("GetRoomEvents", "room", in.Room)
+
+	// get events from database by room
+	events, err := db.GetRoomSchedule(s.app, in.Room)
+	if err != nil {
+		return nil, err
+	}
+
+	// Implement your logic here to fetch events data based on the room
+	// Example response
+	return &pb.GetRoomResponse{
+		Events: eventsToProto(events),
+	}, nil
+}

services/data-manager/service/grpc/server.go

@@ -39,6 +39,10 @@ func StartGRPCServer(app *pocketbase.PocketBase) {
 		app: app,
 	})
 
+	pb.RegisterRoomServiceServer(s, &RoomServiceHandler{
+		app: app,
+	})
+
 	log.Printf("server listening at %v", lis.Addr())
 	if err := s.Serve(lis); err != nil {
 		log.Fatalf("failed to serve: %v", err)

services/data-manager/service/room/roomService.go

@@ -48,7 +48,7 @@ func GetRoomSchedule(app *pocketbase.PocketBase, room string, from string, to st
 		room = functions.MapRoom(room, false)
 	}
 
-	roomSchedule, err := db.GetRoomSchedule(app, room, from, to)
+	roomSchedule, err := db.GetRoomScheduleInTimeSpan(app, room, from, to)
 	if err != nil {
 		return nil, err
 	}

services/ical/service/connector/grpc/events.go

@@ -25,7 +25,7 @@ import (
 	"time"
 )
 
-func GetEvents(modules []model.FeedModule, conn *grpc.ClientConn) (model.Events, error) {
+func GetEventsByModules(modules []model.FeedModule, conn *grpc.ClientConn) (model.Events, error) {
 	c := pb.NewModuleServiceClient(conn)
 	ctx, cancel := context.WithTimeout(context.Background(), time.Second)
 	defer cancel()
@@ -48,3 +48,21 @@ func GetEvents(modules []model.FeedModule, conn *grpc.ClientConn) (model.Events,
 
 	return events, nil
 }
+
+func GetEventsByRoom(room string, conn *grpc.ClientConn) (model.Events, error) {
+	c := pb.NewRoomServiceClient(conn)
+	ctx, cancel := context.WithTimeout(context.Background(), time.Second)
+	defer cancel()
+
+	r, err := c.GetRoomEvents(ctx, &pb.GetRoomRequest{Room: room})
+	if err != nil {
+		slog.Error("could not get room events: ", "error", err)
+	}
+
+	events := make(model.Events, 0)
+	for _, event := range r.GetEvents() {
+		events = append(events, protoToEvent(event))
+	}
+
+	return events, nil
+}

services/ical/service/ical/ical.go

@@ -54,7 +54,7 @@ func Feed(app model.AppType, token string, userAgent string) (string, string, er
 		}
 
 		// Get all events for modules
-		events, err = htwkalenderGrpc.GetEvents(feed.Modules, app.GrpcClient)
+		events, err = htwkalenderGrpc.GetEventsByModules(feed.Modules, app.GrpcClient)
 		if err != nil {
 			return "", "", err
 		}
@@ -106,3 +106,23 @@ func CreateFeed(app model.AppType, modules []model.FeedCollection) (string, erro
 
 	return token, nil
 }
+
+func FeedRoom(app model.AppType, room string) (string, string, error) {
+
+	// Get all events for room
+	events, err := htwkalenderGrpc.GetEventsByRoom(room, app.GrpcClient)
+	if err != nil {
+		return "", "", err
+	}
+
+	// Sort events by start date
+	events.Sort()
+
+	// Generate one Hash for E-TAG from all events
+	etag := functions.HashString(events.String())
+
+	cal := GenerateIcalFeed(events, map[string]model.FeedCollection{}, "")
+	icalFeed := &model.FeedModel{Content: cal.Serialize(), ExpiresAt: model.JSONTime(time.Now().Add(expirationTime))}
+
+	return icalFeed.Content, etag, nil
+}

services/ical/service/routes.go

@@ -120,6 +120,27 @@ func AddFeedRoutes(app model.AppType) {
 		return c.JSON(http.StatusOK, "token: "+token)
 	})
 
+	app.Fiber.Get("/api/feed/room", func(c fiber.Ctx) error {
+		room := c.Query("id")
+		ifNoneMatch := c.Get("If-None-Match")
+
+		results, etag, err := ical.FeedRoom(app, room)
+		if err != nil {
+			slog.Error("Failed to get feed", "error", err, "room", room)
+			return c.SendStatus(fiber.StatusNotFound)
+		}
+
+		if ifNoneMatch == etag && ifNoneMatch != "" {
+			return c.SendStatus(fiber.StatusNotModified)
+		}
+
+		c.Response().Header.Set("Content-type", "text/calendar")
+		c.Response().Header.Set("charset", "utf-8")
+		c.Response().Header.Set("Content-Disposition", "inline")
+		c.Response().Header.Set("filename", "calendar.ics")
+		return c.SendString(results)
+	})
+
 	app.Fiber.Head("/api/feed", func(c fiber.Ctx) error {
 		return c.JSON(http.StatusOK, "")
 	})

services/protobuf/room.proto

@@ -0,0 +1,19 @@
+syntax = "proto3";
+
+import "modules.proto";
+
+option go_package = "htwkalender/common/modules";
+
+service RoomService {
+  rpc GetRoomEvents(GetRoomRequest) returns (GetRoomResponse) {}
+}
+
+message GetRoomResponse {
+  string room = 1;
+  repeated Event events = 2;
+}
+
+message GetRoomRequest {
+  string room = 1;
+}
+