feat(android): init room db

android/app/build.gradle

@@ -14,6 +14,12 @@ android {
         versionName "2.2.0"
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+
+        javaCompileOptions {
+            annotationProcessorOptions {
+                arguments["room.schemaLocation"] = "$projectDir/schemas"
+            }
+        }
     }
 
     buildTypes {
@@ -46,4 +52,9 @@ dependencies {
     implementation 'com.squareup.retrofit2:retrofit:2.9.0'
     implementation 'com.squareup.retrofit2:converter-gson:2.9.0'
     implementation 'com.journeyapps:zxing-android-embedded:4.1.0'
-}
+
+    def room_version = "2.4.2"
+    implementation "androidx.room:room-runtime:$room_version"
+    annotationProcessor "androidx.room:room-compiler:$room_version"
+}
+

android/app/src/main/java/com/vernu/sms/database/local/AppDatabase.java

@@ -0,0 +1,25 @@
+package com.vernu.sms.database.local;
+
+import android.content.Context;
+import androidx.room.Database;
+import androidx.room.Room;
+import androidx.room.RoomDatabase;
+
+@Database(entities = {SMS.class}, version = 2)
+public abstract class AppDatabase extends RoomDatabase {
+    private static volatile AppDatabase INSTANCE;
+
+    public static AppDatabase getInstance(Context context) {
+        if (INSTANCE == null) {
+            synchronized (AppDatabase.class) {
+                if (INSTANCE == null) {
+                    INSTANCE = Room.databaseBuilder(context.getApplicationContext(), AppDatabase.class, "db1")
+                            .build();
+                }
+            }
+        }
+        return INSTANCE;
+    }
+
+    public abstract SMSDao localReceivedSMSDao();
+}

android/app/src/main/java/com/vernu/sms/database/local/DateConverter.java

@@ -0,0 +1,17 @@
+package com.vernu.sms.database.local;
+
+import androidx.room.TypeConverter;
+
+import java.util.Date;
+
+public class DateConverter {
+    @TypeConverter
+    public static Date toDate(Long dateLong) {
+        return dateLong == null ? null : new Date(dateLong);
+    }
+
+    @TypeConverter
+    public static Long fromDate(Date date) {
+        return date == null ? null : date.getTime();
+    }
+}

android/app/src/main/java/com/vernu/sms/database/local/SMS.java

@@ -0,0 +1,114 @@
+package com.vernu.sms.database.local;
+
+import androidx.annotation.NonNull;
+import androidx.room.ColumnInfo;
+import androidx.room.Entity;
+import androidx.room.PrimaryKey;
+import androidx.room.TypeConverters;
+
+import java.util.Date;
+
+@Entity(tableName = "sms")
+@TypeConverters(DateConverter.class)
+public class SMS {
+
+    @PrimaryKey(autoGenerate = true)
+    private int id;
+
+    @ColumnInfo(name = "message")
+    private String message = "";
+
+    @ColumnInfo(name = "sender")
+    private String sender;
+
+    @ColumnInfo(name = "received_at")
+    private Date receivedAt;
+
+    @NonNull
+    @ColumnInfo(name = "type")
+    private String type;
+
+
+    @ColumnInfo(name = "server_acknowledged_at")
+    private Date serverAcknowledgedAt;
+
+    public SMS() {
+        type = null;
+    }
+
+    public boolean hasServerAcknowledged() {
+        return serverAcknowledgedAt != null;
+    }
+
+    @ColumnInfo(name = "last_acknowledged_request_at")
+    private Date lastAcknowledgedRequestAt;
+
+    @ColumnInfo(name = "retry_count", defaultValue = "0")
+    private int retryCount = 0;
+
+    public int getId() {
+        return id;
+    }
+
+    public void setId(int id) {
+        this.id = id;
+    }
+
+    public String getMessage() {
+        return message;
+    }
+
+    public void setMessage(String message) {
+        this.message = message;
+    }
+
+    public String getSender() {
+        return sender;
+    }
+
+    public void setSender(String sender) {
+        this.sender = sender;
+    }
+
+    public Date getServerAcknowledgedAt() {
+        return serverAcknowledgedAt;
+    }
+
+    public void setServerAcknowledgedAt(Date serverAcknowledgedAt) {
+        this.serverAcknowledgedAt = serverAcknowledgedAt;
+    }
+
+    public Date getReceivedAt() {
+        return receivedAt;
+    }
+
+    public void setReceivedAt(Date receivedAt) {
+        this.receivedAt = receivedAt;
+    }
+
+    @NonNull
+    public String getType() {
+        return type;
+    }
+
+    public void setType(@NonNull String type) {
+        this.type = type;
+    }
+
+
+    public Date getLastAcknowledgedRequestAt() {
+        return lastAcknowledgedRequestAt;
+    }
+
+    public void setLastAcknowledgedRequestAt(Date lastAcknowledgedRequestAt) {
+        this.lastAcknowledgedRequestAt = lastAcknowledgedRequestAt;
+    }
+
+    public int getRetryCount() {
+        return retryCount;
+    }
+
+    public void setRetryCount(int retryCount) {
+        this.retryCount = retryCount;
+    }
+}

android/app/src/main/java/com/vernu/sms/database/local/SMSDao.java

@@ -0,0 +1,27 @@
+package com.vernu.sms.database.local;
+
+import androidx.room.Dao;
+import androidx.room.Delete;
+import androidx.room.Insert;
+import androidx.room.OnConflictStrategy;
+import androidx.room.Query;
+
+import java.util.List;
+
+@Dao
+public interface SMSDao {
+
+    @Query("SELECT * FROM sms")
+    List<SMS> getAll();
+
+    @Query("SELECT * FROM sms WHERE id IN (:smsIds)")
+    List<SMS> loadAllByIds(int[] smsIds);
+
+    @Insert(onConflict = OnConflictStrategy.REPLACE)
+    void insertAll(SMS... sms);
+
+
+    @Delete
+    void delete(SMS sms);
+
+}

android/app/src/main/java/com/vernu/sms/dtos/SMSDTO.java

@@ -0,0 +1,42 @@
+package com.vernu.sms.dtos;
+
+import java.util.Date;
+
+public class SMSDTO {
+    private String sender;
+    private String message;
+    private Date receivedAt;
+
+    public SMSDTO() {
+    }
+
+    public SMSDTO(String sender, String message, Date receivedAt) {
+        this.sender = sender;
+        this.message = message;
+        this.receivedAt = receivedAt;
+    }
+
+    public String getSender() {
+        return sender;
+    }
+
+    public void setSender(String sender) {
+        this.sender = sender;
+    }
+
+    public String getMessage() {
+        return message;
+    }
+
+    public void setMessage(String message) {
+        this.message = message;
+    }
+
+    public Date getReceivedAt() {
+        return receivedAt;
+    }
+
+    public void setReceivedAt(Date receivedAt) {
+        this.receivedAt = receivedAt;
+    }
+}