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add controller for managing app state
Signed-off-by: Swapnil Tripathi <swapnil06.st@gmail.com>
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113 changes: 113 additions & 0 deletions
113
uniffi_aries_vcx/demo/app/src/main/java/org/hyperledger/ariesvcx/AppDemoController.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,113 @@ | ||
| package org.hyperledger.ariesvcx | ||
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|
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| import android.util.Log | ||
| import androidx.lifecycle.ViewModel | ||
| import androidx.lifecycle.viewModelScope | ||
| import kotlinx.coroutines.Dispatchers | ||
| import kotlinx.coroutines.delay | ||
| import kotlinx.coroutines.flow.MutableStateFlow | ||
| import kotlinx.coroutines.flow.StateFlow | ||
| import kotlinx.coroutines.flow.asStateFlow | ||
| import kotlinx.coroutines.flow.update | ||
| import kotlinx.coroutines.launch | ||
| import kotlinx.coroutines.withContext | ||
| import okhttp3.OkHttpClient | ||
| import okhttp3.Request | ||
| import org.hyperledger.ariesvcx.utils.await | ||
|
|
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| data class AppUiState( | ||
| val profileReady: Boolean = false, | ||
| val connectionInvitationReceived: Boolean = false, | ||
| val connectionCompleted: Boolean = false | ||
| ) | ||
|
|
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| class AppDemoController : ViewModel() { | ||
| private val httpClient = OkHttpClient() | ||
|
|
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| private var profile: ProfileHolder? = null | ||
| private var connection: Connection? = null | ||
|
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| private var onConnectionComplete: (connection: Connection) -> Unit = {} | ||
|
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| // Expose screen UI state | ||
| private val _state = MutableStateFlow(AppUiState()) | ||
| val states: StateFlow<AppUiState> = _state.asStateFlow() | ||
|
|
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| private val walletConfig = WalletConfig( | ||
| walletName = "test_create_wallet_add_uuid_here", | ||
| walletKey = "8dvfYSt5d1taSd6yJdpjq4emkwsPDDLYxkNFysFD2cZY", | ||
| walletKeyDerivation = "RAW", | ||
| walletType = null, | ||
| storageConfig = null, | ||
| storageCredentials = null, | ||
| rekey = null, | ||
| rekeyDerivationMethod = null | ||
| ) | ||
|
|
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| suspend fun setupProfile() { | ||
| withContext(Dispatchers.IO) { | ||
| val newProfile = newIndyProfile(walletConfig) | ||
| profile = newProfile | ||
| connection = createInvitee(newProfile) | ||
| } | ||
| _state.update { current -> | ||
| current.copy(profileReady = true) | ||
| } | ||
| } | ||
|
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| suspend fun acceptConnectionInvitation(invitation: String) { | ||
| if (connection == null || profile == null) { | ||
| throw Exception("Connection or Profile is null") | ||
| } | ||
| withContext(Dispatchers.IO) { | ||
| connection!!.acceptInvitation( | ||
| profile = profile!!, | ||
| invitation = invitation | ||
| ) | ||
| _state.update { it.copy(connectionInvitationReceived = true) } | ||
|
|
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| connection!!.sendRequest( | ||
| profile!!, | ||
| "$BASE_RELAY_ENDPOINT/send_user_message/$RELAY_USER_ID", | ||
| emptyList() | ||
| ) | ||
|
|
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| // use viewmodel scope to finish off this work | ||
| viewModelScope.launch(Dispatchers.IO) { | ||
| awaitConnectionCompletion() | ||
| } | ||
| } | ||
| } | ||
|
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| private suspend fun awaitConnectionCompletion() { | ||
| val pollRelayRequest = Request.Builder() | ||
| .url("$BASE_RELAY_ENDPOINT/pop_user_message/$RELAY_USER_ID") | ||
| .build() | ||
| while (true) { | ||
| delay(500) | ||
| val relayResponse = httpClient.newCall(pollRelayRequest).await() | ||
| if (relayResponse.code == 200) { | ||
| val message = relayResponse.body!!.string() | ||
|
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| val unpackedMessage = unpackMessage( | ||
| profile!!, | ||
| message | ||
| ) | ||
|
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| Log.d("AppDemoController", unpackedMessage.message) | ||
| connection!!.handleResponse(profile!!, unpackedMessage.message) | ||
| connection!!.sendAck(profile!!) | ||
|
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| Log.d("AppDemoController", "connection state: ${connection!!.getState()}") | ||
|
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| _state.update { it.copy(connectionCompleted = true) } | ||
| onConnectionComplete(connection!!) | ||
| break | ||
| } | ||
| } | ||
| } | ||
|
|
||
| fun subscribeToConnectionComplete(onComplete: (connection: Connection) -> Unit) { | ||
| onConnectionComplete = onComplete | ||
| } | ||
| } |
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