- Now Room creates the database using the constructed entities and not with Migration queries

- Added some random data generators for improving testing

app/src/main/java/cy/agorise/crystalwallet/IntroActivity.java

@@ -15,7 +15,11 @@ import android.widget.Button;
 import java.util.List;
 
 import cy.agorise.crystalwallet.dao.CrystalDatabase;
+import cy.agorise.crystalwallet.models.AccountSeed;
 import cy.agorise.crystalwallet.models.CryptoCoinTransaction;
+import cy.agorise.crystalwallet.models.CryptoNetAccount;
+import cy.agorise.crystalwallet.randomdatagenerators.RandomCryptoNetAccountGenerator;
+import cy.agorise.crystalwallet.randomdatagenerators.RandomSeedGenerator;
 import cy.agorise.crystalwallet.randomdatagenerators.RandomTransactionsGenerator;
 import cy.agorise.crystalwallet.viewmodels.TransactionListViewModel;
 import cy.agorise.crystalwallet.views.TransactionListView;
@@ -33,10 +37,20 @@ public class IntroActivity extends LifecycleActivity {
         setContentView(R.layout.activity_intro);
 
         /*CrystalDatabase db = CrystalDatabase.getAppDatabase(getApplicationContext());
-        List<CryptoCoinTransaction> transactions = RandomTransactionsGenerator.generateTransactions(100,1262304001,1496275201,1,999999999);
+        List<AccountSeed> seeds = RandomSeedGenerator.generateSeeds(2);
-
+        for(int i=0;i<seeds.size();i++) {
+            long newId = db.accountSeedDao().insertAccountSeed(seeds.get(i))[0];
+            seeds.get(i).setId(newId);
+        }
+        List<CryptoNetAccount> accounts = RandomCryptoNetAccountGenerator.generateAccounts(5,seeds);
+        for(int i=0;i<accounts.size();i++) {
+            long newId = db.cryptoNetAccountDao().insertCryptoNetAccount(accounts.get(i))[0];
+            accounts.get(i).setId(newId);
+        }
+        List<CryptoCoinTransaction> transactions = RandomTransactionsGenerator.generateTransactions(accounts,100,1262304001,1496275201,1,999999999);
         for(int i=0;i<transactions.size();i++) {
-            db.transactionDao().insertTransaction(transactions.get(i));
+            long newId = db.transactionDao().insertTransaction(transactions.get(i))[0];
+            transactions.get(i).setId(newId);
         }*/
 
         transactionListView = this.findViewById(R.id.transaction_list);

app/src/main/java/cy/agorise/crystalwallet/dao/AccountSeedDao.java

@@ -1,6 +1,8 @@
 package cy.agorise.crystalwallet.dao;
 
 import android.arch.persistence.room.Dao;
+import android.arch.persistence.room.Insert;
+import android.arch.persistence.room.OnConflictStrategy;
 import android.arch.persistence.room.Query;
 
 import java.util.List;
@@ -16,4 +18,8 @@ public interface AccountSeedDao {
 
     @Query("SELECT * FROM account_seed")
     List<AccountSeed> getAll();
+
+    @Insert(onConflict = OnConflictStrategy.REPLACE)
+    public long[] insertAccountSeed(AccountSeed... seeds);
+
 }

app/src/main/java/cy/agorise/crystalwallet/dao/CryptoNetAccountDao.java

@@ -1,6 +1,8 @@
 package cy.agorise.crystalwallet.dao;
 
 import android.arch.persistence.room.Dao;
+import android.arch.persistence.room.Insert;
+import android.arch.persistence.room.OnConflictStrategy;
 import android.arch.persistence.room.Query;
 
 import java.util.List;
@@ -17,4 +19,8 @@ public interface CryptoNetAccountDao {
 
     @Query("SELECT * FROM crypto_net_account")
     List<CryptoNetAccount> getAll();
+
+    @Insert(onConflict = OnConflictStrategy.REPLACE)
+    public long[] insertCryptoNetAccount(CryptoNetAccount... accounts);
+
 }

app/src/main/java/cy/agorise/crystalwallet/dao/CrystalDatabase.java

@@ -35,13 +35,13 @@ public abstract class CrystalDatabase extends RoomDatabase {
                     Room.databaseBuilder(context,
                             CrystalDatabase.class, "CrystalWallet.db")
                             .allowMainThreadQueries()
-                            .addMigrations(MIGRATION_1_2)
+                            //.addMigrations(MIGRATION_1_2)
                             .build();
         }
         return instance;
     }
 
-    static final Migration MIGRATION_1_2 = new Migration(1, 2) {
+    /*static final Migration MIGRATION_1_2 = new Migration(1, 2) {
         @Override
         public void migrate(SupportSQLiteDatabase database) {
             database.execSQL("CREATE TABLE 'account_seed' ('id' INTEGER PRIMARY KEY AUTOINCREMENT, "
@@ -55,5 +55,5 @@ public abstract class CrystalDatabase extends RoomDatabase {
                     + "'date' INT, 'is_input' INT, amount INT, crypto_coin TEXT, is_confirmed INT, "
                     + "FOREIGN_KEY(account_id) REFERENCES crypto_net_account(id))");
         }
-    };
+    };*/
 }

app/src/main/java/cy/agorise/crystalwallet/dao/TransactionDao.java

@@ -24,7 +24,7 @@ public interface TransactionDao {
     LivePagedListProvider<Integer, CryptoCoinTransaction>  transactionsByDate();
 
     @Insert(onConflict = OnConflictStrategy.REPLACE)
-    public void insertTransaction(CryptoCoinTransaction... transactions);
+    public long[] insertTransaction(CryptoCoinTransaction... transactions);
 
     @Query("DELETE FROM crypto_coin_transaction")
     public void deleteAllTransactions();

app/src/main/java/cy/agorise/crystalwallet/dao/converters/Converters.java

@@ -30,7 +30,7 @@ public class Converters {
     }
 
     @TypeConverter
-    public int cryptoNetAccountToId(CryptoNetAccount account) {
+    public long cryptoNetAccountToId(CryptoNetAccount account) {
         if (account == null) {
             return -1;
         } else {
@@ -39,7 +39,7 @@ public class Converters {
     }
 
     @TypeConverter
-    public CryptoNetAccount fromCryptoNetAccountId(int value) {
+    public CryptoNetAccount fromCryptoNetAccountId(long value) {
         if (value == -1){
             return null;
         } else {

app/src/main/java/cy/agorise/crystalwallet/models/AccountSeed.java

@@ -18,7 +18,7 @@ public class AccountSeed {
      */
     @PrimaryKey(autoGenerate = true)
     @ColumnInfo(name = "id")
-    private int mId;
+    private long mId;
 
     /**
      * The name or tag of this seed
@@ -32,11 +32,11 @@ public class AccountSeed {
     @ColumnInfo(name = "master_seed")
     private String mMasterSeed;
 
-    public int getId() {
+    public long getId() {
         return mId;
     }
 
-    public void setId(int id){
+    public void setId(long id){
         this.mId = id;
     }
 

app/src/main/java/cy/agorise/crystalwallet/models/CryptoCoinTransaction.java

@@ -39,7 +39,7 @@ public class CryptoCoinTransaction {
      */
     @PrimaryKey(autoGenerate = true)
     @ColumnInfo(name="id")
-    protected int id;
+    protected long id;
     /**
      * The full date of this transaction
      */
@@ -54,7 +54,7 @@ public class CryptoCoinTransaction {
      * The id of the account assoiciated, this is used for the foreign key definition
      */
     @ColumnInfo(name="account_id")
-    protected int accountId;
+    protected long accountId;
     /**
      * The amount of asset is moved in this transaction
      */
@@ -92,11 +92,11 @@ public class CryptoCoinTransaction {
 
     public void setTo(String to) { this.to = to; }
 
-    public int getAccountId() {
+    public long getAccountId() {
         return accountId;
     }
 
-    public void setAccountId(int accountId) {
+    public void setAccountId(long accountId) {
         this.accountId = accountId;
     }
 
@@ -108,11 +108,11 @@ public class CryptoCoinTransaction {
         this.account = account;
     }
 
-    public int getId() {
+    public long getId() {
         return id;
     }
 
-    public void setId(int id) {
+    public void setId(long id) {
         this.id = id;
     }
 

app/src/main/java/cy/agorise/crystalwallet/models/CryptoNetAccount.java

@@ -25,13 +25,13 @@ public class CryptoNetAccount {
      */
     @PrimaryKey(autoGenerate = true)
     @ColumnInfo(name = "id")
-    private int mId;
+    private long mId;
 
     /**
      * The id of the seed used by this account
      */
     @ColumnInfo(name = "seed_id")
-    private int mSeedId;
+    private long mSeedId;
 
     /**
      * The account number on the bip44 or slip44
@@ -45,19 +45,19 @@ public class CryptoNetAccount {
     @ColumnInfo(name = "account_index")
     private int mAccountIndex;
 
-    public int getId() {
+    public long getId() {
         return mId;
     }
 
-    public void setId(int id){
+    public void setId(long id){
         this.mId = id;
     }
 
-    public int getSeedId() {
+    public long getSeedId() {
         return mSeedId;
     }
 
-    public void setSeedId(int mSeedId) {
+    public void setSeedId(long mSeedId) {
         this.mSeedId = mSeedId;
     }
 

app/src/main/java/cy/agorise/crystalwallet/randomdatagenerators/RandomCryptoNetAccountGenerator.java

@@ -0,0 +1,36 @@
+package cy.agorise.crystalwallet.randomdatagenerators;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Random;
+
+import cy.agorise.crystalwallet.models.AccountSeed;
+import cy.agorise.crystalwallet.models.CryptoNetAccount;
+
+/**
+ * Created by Henry Varona on 20/9/2017.
+ */
+
+public class RandomCryptoNetAccountGenerator {
+
+    static public List<CryptoNetAccount> generateAccounts(int numberOfAccounts,List<AccountSeed> seeds){
+        ArrayList<CryptoNetAccount> result = new ArrayList<CryptoNetAccount>();
+        Random randomGenerator = new Random();
+        CryptoNetAccount randomAccount;
+
+        for (int i=0;i<numberOfAccounts;i++){
+            int randomSeedIndex = randomGenerator.nextInt(seeds.size());
+            AccountSeed randomSelectedSeed = seeds.get(randomSeedIndex);
+            int randomAccountIndex = randomGenerator.nextInt(1000);
+            int randomAccountNumber = randomGenerator.nextInt(1000);
+
+            randomAccount = new CryptoNetAccount();
+            randomAccount.setSeedId(randomSelectedSeed.getId());
+            randomAccount.setAccountIndex(randomAccountIndex);
+            randomAccount.setAccountNumber(randomAccountNumber);
+            result.add(randomAccount);
+        }
+
+        return result;
+    }
+}

app/src/main/java/cy/agorise/crystalwallet/randomdatagenerators/RandomSeedGenerator.java

@@ -0,0 +1,33 @@
+package cy.agorise.crystalwallet.randomdatagenerators;
+
+import java.util.ArrayList;
+import java.util.Calendar;
+import java.util.List;
+import java.util.Random;
+
+import cy.agorise.crystalwallet.models.AccountSeed;
+import cy.agorise.crystalwallet.models.CryptoCoinTransaction;
+
+/**
+ * Created by Henry Varona on 20/9/2017.
+ */
+
+public class RandomSeedGenerator {
+
+    static public List<AccountSeed> generateSeeds(int numberOfSeeds){
+        ArrayList<AccountSeed> result = new ArrayList<AccountSeed>();
+        Random randomGenerator = new Random();
+        AccountSeed randomSeed;
+
+        for (int i=0;i<numberOfSeeds;i++){
+            int randomInt = randomGenerator.nextInt(999999999);
+
+            randomSeed = new AccountSeed();
+            randomSeed.setMasterSeed(""+randomInt);
+            randomSeed.setName("seed"+randomInt);
+            result.add(randomSeed);
+        }
+
+        return result;
+    }
+}

app/src/main/java/cy/agorise/crystalwallet/randomdatagenerators/RandomTransactionsGenerator.java

@@ -6,6 +6,7 @@ import java.util.List;
 import java.util.Random;
 
 import cy.agorise.crystalwallet.models.CryptoCoinTransaction;
+import cy.agorise.crystalwallet.models.CryptoNetAccount;
 
 /**
  * Created by Henry Varona on 20/9/2017.
@@ -13,7 +14,7 @@ import cy.agorise.crystalwallet.models.CryptoCoinTransaction;
 
 public class RandomTransactionsGenerator {
 
-    static public List<CryptoCoinTransaction> generateTransactions(int numberOfTransactions, int minTimestamp, int maxTimestamp, int minAmount, int maxAmount){
+    static public List<CryptoCoinTransaction> generateTransactions(List<CryptoNetAccount> accounts, int numberOfTransactions, int minTimestamp, int maxTimestamp, int minAmount, int maxAmount){
         ArrayList<CryptoCoinTransaction> result = new ArrayList<CryptoCoinTransaction>();
         Random randomGenerator = new Random();
         Calendar cal = Calendar.getInstance();
@@ -22,11 +23,14 @@ public class RandomTransactionsGenerator {
         CryptoCoinTransaction randomTransaction;
 
         for (int i=0;i<numberOfTransactions;i++){
+            int randomAccountIndex = randomGenerator.nextInt(accounts.size());
+            CryptoNetAccount randomSelectedAccount = accounts.get(randomAccountIndex);
             randomAmount = randomGenerator.nextInt((maxAmount - minAmount) + 1) + minAmount;
             randomTimeStamp = randomGenerator.nextInt((maxTimestamp - minTimestamp) + 1) + minTimestamp;
             cal.setTimeInMillis(randomTimeStamp*1000);
 
             randomTransaction = new CryptoCoinTransaction();
+            randomTransaction.setAccountId(randomSelectedAccount.getId());
             randomTransaction.setAmount(randomAmount);
             randomTransaction.setFrom("friend"+i);
             randomTransaction.setTo("me"+i);

app/src/main/java/cy/agorise/crystalwallet/viewmodels/TransactionListViewModel.java

@@ -27,6 +27,7 @@ public class TransactionListViewModel extends AndroidViewModel {
         this.db = CrystalDatabase.getAppDatabase(application.getApplicationContext());
         transactionList = this.db.transactionDao().transactionsByDate().create(0,
                 new PagedList.Config.Builder()
+                        .setEnablePlaceholders(true)
                         .setPageSize(10)
                         .setPrefetchDistance(10)
                         .build()

app/src/main/java/cy/agorise/crystalwallet/views/TransactionListView.java

@@ -31,6 +31,9 @@ public class TransactionListView extends RelativeLayout {
 
     TransactionListViewModel transactionListViewModel;
 
+    private int visibleThreshold = 5;
+    private boolean loading = true;
+
     public TransactionListView(Context context){
         super(context);
         this.mInflater = LayoutInflater.from(context);
@@ -52,9 +55,28 @@ public class TransactionListView extends RelativeLayout {
     public void init(){
         rootView = mInflater.inflate(R.layout.transaction_list, this, true);
         this.listView = rootView.findViewById(R.id.transactionListView);
-        this.listView.setLayoutManager(new LinearLayoutManager(this.getContext()));
+
+        final LinearLayoutManager linearLayoutManager = new LinearLayoutManager(this.getContext());
+        this.listView.setLayoutManager(linearLayoutManager);
         this.listView.setNestedScrollingEnabled(false);
+
+
+        /*this.listView.addOnScrollListener(new RecyclerView.OnScrollListener() {
+            @Override
+            public void onScrolled(RecyclerView recyclerView, int dx, int dy) {
+                super.onScrolled(recyclerView, dx, dy);
+                if(!loading && linearLayoutManager.getItemCount() <= (linearLayoutManager.findLastVisibleItemPosition() + visibleThreshold)){
+                    onLoadMore();
+                    loading = true;
                 }
+            }
+        });*/
+    }
+
+    //public void onLoadMore(){
+    //    listAdapter.add();
+
+    //}
 
     public void setData(PagedList<CryptoCoinTransaction> data){
         if (this.listAdapter == null) {

app/src/main/java/cy/agorise/crystalwallet/views/TransactionViewHolder.java

@@ -22,6 +22,7 @@ public class TransactionViewHolder extends RecyclerView.ViewHolder {
         transactionFrom = (TextView) itemView.findViewById(R.id.fromText);
         transactionTo = (TextView) itemView.findViewById(R.id.toText);
         transactionAmount = (TextView) itemView.findViewById(R.id.amountText);
+
     }
 
     public void clear(){
@@ -31,9 +32,14 @@ public class TransactionViewHolder extends RecyclerView.ViewHolder {
     }
 
     public void bindTo(final CryptoCoinTransaction transaction/*, final OnTransactionClickListener listener*/) {
+        if (transaction == null){
+            transactionFrom.setText("loading...");
+            transactionTo.setText("");
+            transactionAmount.setText("");
+        } else {
             transactionFrom.setText(transaction.getFrom());
             transactionTo.setText(transaction.getTo());
-        transactionAmount.setText(""+transaction.getAmount());
+            transactionAmount.setText("" + transaction.getAmount());
             /*itemView.setOnClickListener(new View.OnClickListener() {
                 @Override
                 public void onClick(View v) {
@@ -41,4 +47,5 @@ public class TransactionViewHolder extends RecyclerView.ViewHolder {
                 }
             });*/
         }
+    }
 }