agorise/bitsy-wallet
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Add BalanceView model and a method into it that is always observing the database and when it detects that there is missing assets information creates a list of such missing assets and fires an event to obtain the said information.

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This commit is contained in:
Severiano Jaramillo 2018-12-18 07:37:21 -06:00
parent 5c20e2470d
commit 720b4f7b1e
4 changed files with 72 additions and 5 deletions
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48
app/src/main/java/cy/agorise/bitsybitshareswallet/activities/ConnectedActivity.kt
View file

@ -17,7 +17,9 @@ import cy.agorise.bitsybitshareswallet.database.entities.Balance
import cy.agorise.bitsybitshareswallet.processors.TransfersLoader
import cy.agorise.bitsybitshareswallet.repositories.BalanceRepository
import cy.agorise.bitsybitshareswallet.utils.Constants
import cy.agorise.bitsybitshareswallet.viewmodels.BalanceViewModel
import cy.agorise.bitsybitshareswallet.viewmodels.UserAccountViewModel
import cy.agorise.graphenej.Asset
import cy.agorise.graphenej.AssetAmount
import cy.agorise.graphenej.UserAccount
import cy.agorise.graphenej.api.ConnectionStatusUpdate
@ -26,12 +28,14 @@ import cy.agorise.graphenej.api.android.RxBus
import cy.agorise.graphenej.api.calls.GetAccountBalances
import cy.agorise.graphenej.api.calls.GetAccounts
import cy.agorise.graphenej.api.calls.GetFullAccounts
import cy.agorise.graphenej.api.calls.GetObjects
import cy.agorise.graphenej.models.AccountProperties
import cy.agorise.graphenej.models.FullAccountDetails
import cy.agorise.graphenej.models.JsonRpcResponse
import io.reactivex.android.schedulers.AndroidSchedulers
import io.reactivex.disposables.Disposable
import java.util.*
import kotlin.collections.ArrayList
/**
* Class in charge of managing the connection to graphenej's NetworkService
@ -40,8 +44,9 @@ abstract class ConnectedActivity : AppCompatActivity(), ServiceConnection {
private val TAG = this.javaClass.simpleName
private lateinit var mUserAccountViewModel: UserAccountViewModel
private lateinit var mBalanceViewModel: BalanceViewModel
private var mBalanceRepository: BalanceRepository? = null
private lateinit var mBalanceRepository: BalanceRepository
/* Current user account */
protected var mCurrentAccount: UserAccount? = null
@ -54,6 +59,7 @@ abstract class ConnectedActivity : AppCompatActivity(), ServiceConnection {
private var storedOpCount: Long = -1
private var missingUserAccounts = ArrayList<UserAccount>()
private var missingAssets = ArrayList<String>()
/* Network service connection */
protected var mNetworkService: NetworkService? = null
@ -73,11 +79,12 @@ abstract class ConnectedActivity : AppCompatActivity(), ServiceConnection {
mBalanceRepository = BalanceRepository(this)
// Configure UserAccountViewModel to show the current account
// Configure UserAccountViewModel to obtain the missing account ids
mUserAccountViewModel = ViewModelProviders.of(this).get(UserAccountViewModel::class.java)
mUserAccountViewModel.getMissingUserAccountIds().observe(this, Observer<List<String>>{ userAccountIds ->
if (userAccountIds.isNotEmpty()) {
missingUserAccounts.clear()
for (userAccountId in userAccountIds)
missingUserAccounts.add(UserAccount(userAccountId))
@ -85,6 +92,18 @@ abstract class ConnectedActivity : AppCompatActivity(), ServiceConnection {
}
})
// Configure UserAccountViewModel to obtain the missing account ids
mBalanceViewModel = ViewModelProviders.of(this).get(BalanceViewModel::class.java)
mBalanceViewModel.getMissingAssetIds().observe(this, Observer<List<String>>{ assetIds ->
if (assetIds.isNotEmpty()) {
missingAssets.clear()
missingAssets.addAll(assetIds)
mHandler.postDelayed(mRequestMissingAssetsTask, Constants.NETWORK_SERVICE_RETRY_PERIOD)
}
})
mDisposable = RxBus.getBusInstance()
.asFlowable()
.observeOn(AndroidSchedulers.mainThread())
@ -101,6 +120,8 @@ abstract class ConnectedActivity : AppCompatActivity(), ServiceConnection {
handleAccountProperties(message.result as List<AccountProperties>)
} else if ((message.result as List<*>)[0] is AssetAmount) {
handleBalanceUpdate(message.result as List<AssetAmount>)
} else if ((message.result as List<*>)[0] is Asset) {
handleAssets(message.result as List<Asset>)
}
}
} else {
@ -174,7 +195,11 @@ abstract class ConnectedActivity : AppCompatActivity(), ServiceConnection {
balances.add(balance)
}
mBalanceRepository!!.insertAll(balances)
mBalanceRepository.insertAll(balances)
}
private fun handleAssets(assets: List<Asset>) {
Log.d(TAG, "handleAssets")
}
private fun updateBalances() {
@ -187,7 +212,7 @@ abstract class ConnectedActivity : AppCompatActivity(), ServiceConnection {
}
/**
* Task used to obtain the missing UserAccounts.
* Task used to obtain the missing UserAccounts from Graphenej's NetworkService.
*/
private val mRequestMissingUserAccountsTask = object : Runnable {
override fun run() {
@ -199,6 +224,20 @@ abstract class ConnectedActivity : AppCompatActivity(), ServiceConnection {
}
}
/**
* Task used to obtain the missing Assets from Graphenej's NetworkService.
*/
private val mRequestMissingAssetsTask = object : Runnable {
override fun run() {
if (mNetworkService!!.isConnected) {
// TODO use GetAssets to obtain the missing assets and save them into the db
mNetworkService!!.sendMessage(GetObjects(missingAssets), GetAccounts.REQUIRED_API)
} else if (missingAssets.isNotEmpty()){
mHandler.postDelayed(this, Constants.NETWORK_SERVICE_RETRY_PERIOD)
}
}
}
/**
* Task used to perform a redundant payment check.
*/
@ -237,6 +276,7 @@ abstract class ConnectedActivity : AppCompatActivity(), ServiceConnection {
}
mHandler.removeCallbacks(mCheckMissingPaymentsTask)
mHandler.removeCallbacks(mRequestMissingUserAccountsTask)
mHandler.removeCallbacks(mRequestMissingAssetsTask)
}
override fun onResume() {

4
app/src/main/java/cy/agorise/bitsybitshareswallet/database/daos/BalanceDao.kt
View file

@ -17,4 +17,8 @@ interface BalanceDao {
@Query("SELECT * FROM balances")
fun getAll(): LiveData<List<Balance>>
// TODO not sure if this is the best place for this query as it involves two entities
@Query("SELECT DISTINCT asset_id FROM balances WHERE asset_id NOT IN (SELECT id FROM assets)")
fun getMissingAssetIds(): LiveData<List<String>>
}

4
app/src/main/java/cy/agorise/bitsybitshareswallet/repositories/BalanceRepository.kt
View file

@ -24,6 +24,10 @@ class BalanceRepository internal constructor(context: Context) {
return mBalanceDao.getAll()
}
fun getMissingAssetIds(): LiveData<List<String>> {
return mBalanceDao.getMissingAssetIds()
}
private class insertAllAsyncTask internal constructor(private val mAsyncTaskDao: BalanceDao) :
AsyncTask<List<Balance>, Void, Void>() {

19
app/src/main/java/cy/agorise/bitsybitshareswallet/viewmodels/BalanceViewModel.kt Normal file
View file

@ -0,0 +1,19 @@
package cy.agorise.bitsybitshareswallet.viewmodels
import android.app.Application
import androidx.lifecycle.AndroidViewModel
import androidx.lifecycle.LiveData
import cy.agorise.bitsybitshareswallet.database.entities.Balance
import cy.agorise.bitsybitshareswallet.repositories.BalanceRepository
class BalanceViewModel(application: Application) : AndroidViewModel(application) {
private var mRepository = BalanceRepository(application)
internal fun getMissingAssetIds(): LiveData<List<String>> {
return mRepository.getMissingAssetIds()
}
fun insertAll(balances: List<Balance>) {
mRepository.insertAll(balances)
}
}