chore:basic grpc infra

app/build.gradle

@@ -198,20 +198,20 @@ dependencies {
     testImplementation 'org.robolectric:robolectric:4.10.3'
 
     // gRPC backend
-    implementation 'io.grpc:grpc-okhttp:1.43.2' // CURRENT_GRPC_VERSION
-    implementation 'io.grpc:grpc-protobuf-lite:1.43.2' // CURRENT_GRPC_VERSION
-    implementation 'io.grpc:grpc-stub:1.43.2' // CURRENT_GRPC_VERSION
+    implementation 'io.grpc:grpc-okhttp:1.58.0' // CURRENT_GRPC_VERSION
+    implementation 'io.grpc:grpc-protobuf-lite:1.58.0' // CURRENT_GRPC_VERSION
+    implementation 'io.grpc:grpc-stub:1.58.0' // CURRENT_GRPC_VERSION
     implementation 'org.apache.tomcat:annotations-api:6.0.53'
 
     // View binding helper
     implementation "com.github.Zhuinden:fragmentviewbindingdelegate-kt:1.0.0"
 }
 
 protobuf {
-    protoc { artifact = 'com.google.protobuf:protoc:3.19.2' }
+    protoc { artifact = 'com.google.protobuf:protoc:3.24.3' }
     plugins {
         javalite { artifact = "com.google.protobuf:protoc-gen-javalite:3.0.0" }
-        grpc { artifact = 'io.grpc:protoc-gen-grpc-java:1.43.2' } // CURRENT_GRPC_VERSION
+        grpc { artifact = 'io.grpc:protoc-gen-grpc-java:1.58.0' } // CURRENT_GRPC_VERSION
     }
     generateProtoTasks {
         all().each { task ->
@@ -220,7 +220,8 @@ protobuf {
             }
             task.plugins {
                 grpc { // Options added to --grpc_out
-                    option 'lite' }
+                    option 'lite'
+                }
             }
         }
     }

app/src/main/java/de/tum/in/tumcampusapp/api/app/BackendClient.kt

@@ -1,8 +1,8 @@
 package de.tum.`in`.tumcampusapp.api.app
+import app.tum.campus.api.CampusGrpc
+import app.tum.campus.api.GetNewsSourcesRequest
+import app.tum.campus.api.GetUpdateNoteRequest
 import de.tum.`in`.tumcampusapp.BuildConfig
-import de.tum.`in`.tumcampusapp.api.backend.CampusGrpc
-import de.tum.`in`.tumcampusapp.api.backend.GetNewsSourcesRequest
-import de.tum.`in`.tumcampusapp.api.backend.GetUpdateNoteRequest
 import de.tum.`in`.tumcampusapp.component.ui.news.model.NewsSources
 import de.tum.`in`.tumcampusapp.component.ui.updatenote.model.UpdateNote
 import io.grpc.ManagedChannelBuilder
@@ -13,7 +13,7 @@ class BackendClient private constructor() {
     private var stub: CampusGrpc.CampusFutureStub
 
     init {
-        val managedChannel = ManagedChannelBuilder.forAddress("api-grpc.tum.app", 443).build()
+        val managedChannel = ManagedChannelBuilder.forAddress("api.tum.app", 443).build()
         stub = CampusGrpc.newFutureStub(managedChannel).withInterceptors(MetadataUtils.newAttachHeadersInterceptor(getHeaderMetaData()))
     }
 

app/src/main/java/de/tum/in/tumcampusapp/component/ui/news/model/NewsSources.kt

@@ -3,8 +3,8 @@ package de.tum.`in`.tumcampusapp.component.ui.news.model
 import androidx.room.Entity
 import androidx.room.PrimaryKey
 import androidx.room.RoomWarnings
+import app.tum.campus.api.GetNewsSourcesReply
 import com.google.gson.annotations.SerializedName
-import de.tum.`in`.tumcampusapp.api.backend.GetNewsSourcesReply
 
 /**
  * This class contains information about the source of a [News] item.

app/src/main/java/de/tum/in/tumcampusapp/component/ui/updatenote/model/UpdateNote.kt

@@ -1,6 +1,6 @@
 package de.tum.`in`.tumcampusapp.component.ui.updatenote.model
 
-import de.tum.`in`.tumcampusapp.api.backend.GetUpdateNoteReply
+import app.tum.campus.api.GetUpdateNoteReply
 
 data class UpdateNote(var updateNote: String) {
     companion object {

app/src/main/java/de/tum/in/tumcampusapp/utils/Extensions.kt

@@ -19,6 +19,7 @@ import com.squareup.picasso.RequestCreator
 import de.tum.`in`.tumcampusapp.component.other.generic.drawer.NavItem
 import io.reactivex.disposables.CompositeDisposable
 import io.reactivex.disposables.Disposable
+import org.joda.time.DateTime
 
 /**
  * Executes the block and return null in case of an [Exception].
@@ -180,3 +181,8 @@ inline fun <reified T : ViewGroup.LayoutParams> View.layoutParams(block: T.() ->
 
 fun View.dpToPx(dp: Float): Int = context.dpToPx(dp)
 fun Context.dpToPx(dp: Float): Int = TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dp, resources.displayMetrics).toInt()
+
+fun com.google.protobuf.Timestamp.toDateTime(): DateTime {
+    val timeMilis = this.seconds * 1000L + this.nanos / 1000000L
+    return DateTime(timeMilis)
+}

app/src/main/proto/google/api/annotations.proto

@@ -0,0 +1,31 @@
+// Copyright 2015 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto3";
+
+package google.api;
+
+import "google/api/http.proto";
+import "google/protobuf/descriptor.proto";
+
+option go_package = "google.golang.org/genproto/googleapis/api/annotations;annotations";
+option java_multiple_files = true;
+option java_outer_classname = "AnnotationsProto";
+option java_package = "com.google.api";
+option objc_class_prefix = "GAPI";
+
+extend google.protobuf.MethodOptions {
+  // See `HttpRule`.
+  HttpRule http = 72295728;
+}