Missing widgetmodel repo

Change-Id: I9402e4716f6f977f8edb25faad751f4fa988749b

app/src/main/java/com/google/android/samples/socialite/widget/model/WidgetModelRepository.kt

@@ -0,0 +1,65 @@
+/*
+ * Copyright (C) 2024 The Android Open Source Project
+ *
+ * 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.
+ */
+
+package com.google.android.samples.socialite.widget.model
+
+import android.content.Context
+import androidx.glance.appwidget.updateAll
+import com.google.android.samples.socialite.di.AppCoroutineScope
+import com.google.android.samples.socialite.widget.SocialiteWidget
+import dagger.hilt.android.qualifiers.ApplicationContext
+import javax.inject.Inject
+import javax.inject.Singleton
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.distinctUntilChanged
+import kotlinx.coroutines.flow.filterNotNull
+import kotlinx.coroutines.flow.first
+import kotlinx.coroutines.launch
+
+@Singleton
+class WidgetModelRepository @Inject internal constructor(private val widgetModelDao: WidgetModelDao, @AppCoroutineScope private val coroutineScope: CoroutineScope, @ApplicationContext private val appContext: Context) {
+
+    suspend fun create(model: WidgetModel): WidgetModel {
+        widgetModelDao.insert(model)
+        return widgetModelDao.loadWidgetModel(model.widgetId).filterNotNull().first()
+    }
+
+    fun loadModel(widgetId: Int): Flow<WidgetModel?> {
+        return widgetModelDao.loadWidgetModel(widgetId).distinctUntilChanged()
+    }
+
+    fun delete(appWidgetIds: IntArray) {
+        coroutineScope.launch {
+            appWidgetIds.forEach { appWidgetId ->
+                widgetModelDao.loadWidgetModel(appWidgetId).collect { model ->
+                    if (model != null) {
+                        widgetModelDao.delete(model)
+                    }
+                }
+            }
+        }
+    }
+
+    fun updateUnreadMessagesForContact(contactId: Long, unread: Boolean) {
+        coroutineScope.launch {
+            widgetModelDao.modelsForContact(contactId).filterNotNull().forEach { model ->
+                widgetModelDao.update(WidgetModel(model.widgetId, model.contactId, model.displayName, model.photo, unread))
+                SocialiteWidget().updateAll(appContext)
+            }
+        }
+    }
+}