- Contact class, dao, viewmodel and list view added

app/schemas/cy.agorise.crystalwallet.dao.CrystalDatabase/2.json

@@ -2,7 +2,7 @@
   "formatVersion": 1,
   "database": {
     "version": 2,
-    "identityHash": "6dd1ca39bdde9af2cba2b35413c4975e",
+    "identityHash": "6a2b148b120a70c3faee581a13c96cf5",
     "entities": [
       {
         "tableName": "account_seed",
@@ -227,6 +227,55 @@
           }
         ]
       },
+      {
+        "tableName": "contact",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `name` TEXT, `gravatar` TEXT)",
+        "fields": [
+          {
+            "fieldPath": "mId",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "mName",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "mGravatar",
+            "columnName": "gravatar",
+            "affinity": "TEXT",
+            "notNull": false
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [
+          {
+            "name": "index_contact_id",
+            "unique": false,
+            "columnNames": [
+              "id"
+            ],
+            "createSql": "CREATE  INDEX `index_contact_id` ON `${TABLE_NAME}` (`id`)"
+          },
+          {
+            "name": "index_contact_name",
+            "unique": true,
+            "columnNames": [
+              "name"
+            ],
+            "createSql": "CREATE UNIQUE INDEX `index_contact_name` ON `${TABLE_NAME}` (`name`)"
+          }
+        ],
+        "foreignKeys": []
+      },
       {
         "tableName": "crypto_currency",
         "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `name` TEXT, `crypto_net` TEXT, `precision` INTEGER NOT NULL)",
@@ -567,7 +616,7 @@
     ],
     "setupQueries": [
       "CREATE TABLE IF NOT EXISTS room_master_table (id INTEGER PRIMARY KEY,identity_hash TEXT)",
-      "INSERT OR REPLACE INTO room_master_table (id,identity_hash) VALUES(42, \"6dd1ca39bdde9af2cba2b35413c4975e\")"
+      "INSERT OR REPLACE INTO room_master_table (id,identity_hash) VALUES(42, \"6a2b148b120a70c3faee581a13c96cf5\")"
     ]
   }
 }

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

@@ -0,0 +1,29 @@
+package cy.agorise.crystalwallet.dao;
+
+import android.arch.lifecycle.LiveData;
+import android.arch.paging.LivePagedListProvider;
+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;
+
+import cy.agorise.crystalwallet.models.Contact;
+import cy.agorise.crystalwallet.models.CryptoCoinTransaction;
+
+/**
+ * Created by Henry Varona on 1/17/2018.
+ */
+@Dao
+public interface ContactDao {
+
+    @Query("SELECT * FROM contact")
+    LiveData<List<Contact>> getAll();
+
+    @Query("SELECT * FROM contact ORDER BY name ASC")
+    LivePagedListProvider<Integer, Contact>  contactsByName();
+
+    @Query("SELECT * FROM contact WHERE id = :id")
+    LiveData<Contact> getById(long id);
+}

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

@@ -9,6 +9,7 @@ import android.content.Context;
 import cy.agorise.crystalwallet.dao.converters.Converters;
 import cy.agorise.crystalwallet.models.AccountSeed;
 import cy.agorise.crystalwallet.models.BitsharesAssetInfo;
+import cy.agorise.crystalwallet.models.Contact;
 import cy.agorise.crystalwallet.models.CryptoCoinBalance;
 import cy.agorise.crystalwallet.models.CryptoCoinTransaction;
 import cy.agorise.crystalwallet.models.CryptoCurrency;
@@ -26,6 +27,7 @@ import cy.agorise.crystalwallet.models.GrapheneAccountInfo;
         AccountSeed.class,
         CryptoNetAccount.class,
         CryptoCoinTransaction.class,
+        Contact.class,
         CryptoCurrency.class,
         CryptoCoinBalance.class,
         GrapheneAccountInfo.class,
@@ -42,6 +44,7 @@ public abstract class CrystalDatabase extends RoomDatabase {
     public abstract CryptoNetAccountDao cryptoNetAccountDao();
     public abstract GrapheneAccountInfoDao grapheneAccountInfoDao();
     public abstract TransactionDao transactionDao();
+    public abstract ContactDao contactDao();
     public abstract CryptoCoinBalanceDao cryptoCoinBalanceDao();
     public abstract CryptoCurrencyDao cryptoCurrencyDao();
     public abstract BitsharesAssetDao bitsharesAssetDao();
@@ -54,21 +57,8 @@ public abstract class CrystalDatabase extends RoomDatabase {
                     Room.databaseBuilder(context,
                             CrystalDatabase.class, "CrystalWallet.db")
                             .allowMainThreadQueries()
-                            //.addMigrations(MIGRATION_1_2)
                             .build();
         }
         return instance;
     }
-
-
-
-    /*static final Migration MIGRATION_1_2 = new Migration(1, 2) {
-        @Override
-        public void migrate(SupportSQLiteDatabase database) {
-            database.execSQL("UPDATE TABLE 'crypto_net_account' ADD "
-                    + "'subclass' INT, "
-                    + "'bitshares_account_name' STRING, "
-                    + "'bitshares_account_id' STRING ");
-        }
-    };*/
 }

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

@@ -0,0 +1,103 @@
+package cy.agorise.crystalwallet.models;
+
+
+import android.arch.persistence.room.ColumnInfo;
+import android.arch.persistence.room.Entity;
+import android.arch.persistence.room.ForeignKey;
+import android.arch.persistence.room.Ignore;
+import android.arch.persistence.room.Index;
+import android.arch.persistence.room.PrimaryKey;
+import android.support.annotation.NonNull;
+import android.support.v7.recyclerview.extensions.DiffCallback;
+
+import java.util.List;
+
+/**
+ * Represents a user contact
+ *
+ * Created by Henry Varona on 1/16/2018.
+ */
+
+@Entity(tableName="contact",
+        indices = {@Index("id"),@Index(value = {"name"}, unique=true)})
+public class Contact {
+
+    /**
+     * The id on the database
+     */
+    @PrimaryKey(autoGenerate = true)
+    @ColumnInfo(name = "id")
+    private long mId;
+
+    @ColumnInfo(name="name")
+    private String mName;
+
+    @ColumnInfo(name = "gravatar")
+    private String mGravatar;
+
+    @Ignore
+    public List<ContactAddress> mAddresses;
+
+    public long getId() {
+        return mId;
+    }
+
+    public void setId(long id) {
+        this.mId = id;
+    }
+
+    public String getName() {
+        return mName;
+    }
+
+    public void setName(String name) {
+        this.mName = name;
+    }
+
+    public String getGravatar() {
+        return mGravatar;
+    }
+
+    public void setGravatar(String gravatar) {
+        this.mGravatar = gravatar;
+    }
+
+    public int addressesCount(){
+        return this.mAddresses.size();
+    }
+
+    public ContactAddress getAddress(int index){
+        return this.mAddresses.get(index);
+    }
+
+    public void addAddress(ContactAddress address){
+        this.mAddresses.add(address);
+    }
+
+    public static final DiffCallback<Contact> DIFF_CALLBACK = new DiffCallback<Contact>() {
+        @Override
+        public boolean areItemsTheSame(
+                @NonNull Contact oldContact, @NonNull Contact newContact) {
+            return oldContact.getId() == newContact.getId();
+        }
+        @Override
+        public boolean areContentsTheSame(
+                @NonNull Contact oldContact, @NonNull Contact newContact) {
+            return oldContact.equals(newContact);
+        }
+    };
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+
+        Contact contact = (Contact) o;
+
+        if (mId != contact.mId) return false;
+        if (!mName.equals(contact.mName)) return false;
+        if (mGravatar != null ? !mGravatar.equals(contact.mGravatar) : contact.mGravatar != null)
+            return false;
+        return mAddresses != null ? mAddresses.equals(contact.mAddresses) : contact.mAddresses == null;
+    }
+}

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

@@ -0,0 +1,79 @@
+package cy.agorise.crystalwallet.models;
+
+
+import android.arch.persistence.room.ColumnInfo;
+import android.arch.persistence.room.Entity;
+import android.arch.persistence.room.Index;
+import android.support.annotation.NonNull;
+import android.support.v7.recyclerview.extensions.DiffCallback;
+
+/**
+ * Represents a user contact address
+ *
+ * Created by Henry Varona on 1/16/2018.
+ */
+
+@Entity(tableName="contact_address",
+        primaryKeys = {"contact_id","crypto_currency_id"},
+        indices = {@Index(value = {"contact_id","crypto_currency_id"}, unique=true)})
+public class ContactAddress {
+
+    @ColumnInfo(name = "contact_id")
+    private long mContactId;
+
+    @ColumnInfo(name = "crypto_currency_id")
+    private long mCryptoCurrencyId;
+
+    @ColumnInfo(name="address")
+    private String mAddress;
+
+    public long getContactId() {
+        return mContactId;
+    }
+
+    public void setContactId(long contactId) {
+        this.mContactId = contactId;
+    }
+
+    public long getCryptoCurrencyId() {
+        return mCryptoCurrencyId;
+    }
+
+    public void setCryptoCurrencyId(long cryptoCurrencyId) {
+        this.mCryptoCurrencyId = cryptoCurrencyId;
+    }
+
+    public String getAddress() {
+        return mAddress;
+    }
+
+    public void setAddress(String address) {
+        this.mAddress = address;
+    }
+
+   public static final DiffCallback<ContactAddress> DIFF_CALLBACK = new DiffCallback<ContactAddress>() {
+        @Override
+        public boolean areItemsTheSame(
+                @NonNull ContactAddress oldContactAddress, @NonNull ContactAddress newContactAddress) {
+            return (oldContactAddress.getContactId() == newContactAddress.getContactId())
+                    && (oldContactAddress.getCryptoCurrencyId() == newContactAddress.getCryptoCurrencyId());
+        }
+        @Override
+        public boolean areContentsTheSame(
+                @NonNull ContactAddress oldContactAddress, @NonNull ContactAddress newContactAddress) {
+            return oldContactAddress.equals(newContactAddress);
+        }
+    };
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+
+        ContactAddress that = (ContactAddress) o;
+
+        if (mContactId != that.mContactId) return false;
+        if (mCryptoCurrencyId != that.mCryptoCurrencyId) return false;
+        return mAddress.equals(that.mAddress);
+    }
+}

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

@@ -0,0 +1,36 @@
+package cy.agorise.crystalwallet.viewmodels;
+
+import android.app.Application;
+import android.arch.lifecycle.AndroidViewModel;
+import android.arch.lifecycle.LiveData;
+import android.arch.paging.PagedList;
+
+import cy.agorise.crystalwallet.dao.CrystalDatabase;
+import cy.agorise.crystalwallet.models.Contact;
+import cy.agorise.crystalwallet.models.CryptoCoinTransaction;
+
+/**
+ * Created by Henry Varona on 1/17/2018.
+ */
+
+public class ContactListViewModel extends AndroidViewModel {
+
+    private LiveData<PagedList<Contact>> contactList;
+    private CrystalDatabase db;
+
+    public ContactListViewModel(Application application) {
+        super(application);
+        this.db = CrystalDatabase.getAppDatabase(application.getApplicationContext());
+        contactList = this.db.contactDao().contactsByName().create(0,
+                new PagedList.Config.Builder()
+                        .setEnablePlaceholders(true)
+                        .setPageSize(10)
+                        .setPrefetchDistance(10)
+                        .build()
+        );
+    }
+
+    public LiveData<PagedList<Contact>> getContactList(){
+        return this.contactList;
+    }
+}

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

@@ -0,0 +1,41 @@
+package cy.agorise.crystalwallet.views;
+
+
+import android.support.v7.recyclerview.extensions.ListAdapter;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import cy.agorise.crystalwallet.R;
+import cy.agorise.crystalwallet.models.Contact;
+
+/**
+ * Created by Henry Varona on 1/16/2018.
+ *
+ * An adapter to show the elements of a list of contacts
+ */
+
+public class ContactListAdapter extends ListAdapter<Contact, ContactViewHolder> {
+
+    public ContactListAdapter() {
+        super(Contact.DIFF_CALLBACK);
+    }
+
+    @Override
+    public ContactViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
+        View v = LayoutInflater.from(parent.getContext()).inflate(R.layout.contact_list_item,parent,false);
+
+
+        return new ContactViewHolder(v);
+    }
+
+    @Override
+    public void onBindViewHolder(ContactViewHolder holder, int position) {
+        Contact contact = getItem(position);
+        if (contact != null) {
+            holder.bindTo(contact);
+        } else {
+            holder.clear();
+        }
+    }
+}

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

@@ -0,0 +1,113 @@
+package cy.agorise.crystalwallet.views;
+
+import android.arch.paging.PagedList;
+import android.content.Context;
+import android.support.v4.app.Fragment;
+import android.support.v7.widget.LinearLayoutManager;
+import android.support.v7.widget.RecyclerView;
+import android.util.AttributeSet;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.widget.RelativeLayout;
+
+import cy.agorise.crystalwallet.R;
+import cy.agorise.crystalwallet.models.Contact;
+import cy.agorise.crystalwallet.models.CryptoCoinTransaction;
+import cy.agorise.crystalwallet.viewmodels.ContactListViewModel;
+import cy.agorise.crystalwallet.viewmodels.TransactionListViewModel;
+
+/**
+ * Created by Henry Varona on 1/15/2018.
+ *
+ * A list view showing the user contacts
+ */
+
+public class ContactListView extends RelativeLayout {
+
+    LayoutInflater mInflater;
+
+    /*
+     * The root view of this view
+     */
+    View rootView;
+    /*
+     * The list view that holds every user contact item
+     */
+    RecyclerView listView;
+    /*
+     * The adapter for the previous list view
+     */
+    ContactListAdapter listAdapter;
+
+    ContactListViewModel contactListViewModel;
+
+    /*
+     * how much contacts will remain to show before the list loads more
+     */
+    private int visibleThreshold = 5;
+    /*
+     * if true, the contact list will be loading new data
+     */
+    private boolean loading = true;
+
+    /*
+     * One of three constructors needed to be inflated from a layout
+     */
+    public ContactListView(Context context){
+        super(context);
+        this.mInflater = LayoutInflater.from(context);
+        init();
+    }
+
+    /*
+     * One of three constructors needed to be inflated from a layout
+     */
+    public ContactListView(Context context, AttributeSet attrs) {
+        super(context, attrs);
+        this.mInflater = LayoutInflater.from(context);
+        init();
+    }
+
+    /*
+     * One of three constructors needed to be inflated from a layout
+     */
+    public ContactListView(Context context, AttributeSet attrs, int defStyle){
+        super(context, attrs, defStyle);
+        this.mInflater = LayoutInflater.from(context);
+        init();
+    }
+
+    /*
+     * Initializes this view
+     */
+    public void init(){
+        rootView = mInflater.inflate(R.layout.contact_list, this, true);
+        this.listView = rootView.findViewById(R.id.contactListView);
+
+        final LinearLayoutManager linearLayoutManager = new LinearLayoutManager(this.getContext());
+        this.listView.setLayoutManager(linearLayoutManager);
+        //Prevents the list to start again when scrolling to the end
+        this.listView.setNestedScrollingEnabled(false);
+
+    }
+
+    /*
+     * Sets the elements data of this view
+     *
+     * @param data the contacts that will be showed to the user
+     */
+    public void setData(PagedList<Contact> data){
+        //Initializes the adapter of the contact list
+        if (this.listAdapter == null) {
+            this.listAdapter = new ContactListAdapter();
+            this.listView.setAdapter(this.listAdapter);
+        }
+
+        //Sets the data of the transaction list
+        if (data != null) {
+            this.listAdapter.setList(data);
+        }
+    }
+
+
+}

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

@@ -0,0 +1,54 @@
+package cy.agorise.crystalwallet.views;
+
+import android.content.Context;
+import android.support.v7.widget.RecyclerView;
+import android.view.View;
+import android.widget.ImageView;
+import android.widget.TextView;
+
+import cy.agorise.crystalwallet.R;
+import cy.agorise.crystalwallet.models.Contact;
+
+/**
+ * Created by Henry Varona on 1/17/2017.
+ *
+ * Represents an element view from the Contact List
+ */
+
+public class ContactViewHolder extends RecyclerView.ViewHolder {
+    private TextView tvName;
+    private ImageView ivThumbnail;
+    private TextView tvLastPaid;
+    private Context context;
+
+    public ContactViewHolder(View itemView) {
+        super(itemView);
+        //TODO: use ButterKnife to load this
+        tvName = (TextView) itemView.findViewById(R.id.tvContactName);
+        ivThumbnail = (ImageView) itemView.findViewById(R.id.ivContactThumbnail);
+        tvLastPaid = (TextView) itemView.findViewById(R.id.tvLastPaid);
+        this.context = itemView.getContext();
+
+    }
+
+    /*
+     * Clears the information in this element view
+     */
+    public void clear(){
+        tvName.setText("");
+        ivThumbnail.setImageResource(android.R.color.transparent);
+        tvLastPaid.setText("");
+    }
+
+    /*
+     * Binds this view with the data of an element of the list
+     */
+    public void bindTo(final Contact contact) {
+        if (contact == null){
+            this.clear();
+        } else {
+            tvName.setText(contact.getName());
+            tvLastPaid.setText("Paid: 1 Jan, 2001 01:01");
+        }
+    }
+}

app/src/main/res/layout/contact_list.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:orientation="vertical"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content">
+
+    <android.support.v7.widget.RecyclerView
+        android:id="@+id/contactListView"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        />
+</LinearLayout>

app/src/main/res/layout/contact_list_item.xml

@@ -0,0 +1,39 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:orientation="vertical"
+    android:paddingLeft="10dp"
+    android:paddingRight="10dp"
+    android:paddingTop="10dp">
+
+    <RelativeLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_alignParentStart="true"
+        android:layout_alignParentTop="true">
+
+        <ImageView
+            android:layout_width="@dimen/icon_size"
+            android:layout_height="@dimen/icon_size"
+            android:id="@+id/ivContactThumbnail"/>
+
+        <TextView
+            android:id="@+id/tvContactName"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_toRightOf="@+id/ivContactThumbnail"
+            android:text="Loading name..."
+            android:textStyle="bold" />
+
+        <TextView
+            android:id="@+id/tvLastPaid"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_below="@+id/tvContactName"
+            android:layout_toRightOf="@+id/ivContactThumbnail"
+            android:text="Paid: Jan 1, 2001, 01:01"
+            android:textColor="@android:color/darker_gray" />
+    </RelativeLayout>
+</LinearLayout>

app/src/main/res/layout/fragment_contacts.xml

@@ -4,10 +4,9 @@
     android:layout_height="match_parent"
     tools:context="cy.agorise.crystalwallet.fragments.ContactsFragment">
 
-    <!-- TODO: Update blank fragment layout -->
-    <TextView
+    <cy.agorise.crystalwallet.views.ContactListView
         android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        android:text="Contacts Fragment" />
+        android:layout_height="wrap_content"
+        android:id="@+id/vContactListView" />
 
 </FrameLayout>