Updated on 2026-08-14

2019-04-24 13:33:47 +03:00 · 2019-04-24 13:33:47 +03:00 · bbed187fab
commit bbed187fab
parent 78ef89d2cf
9 changed files with 168 additions and 73 deletions
--- a/app/src/main/java/com/tangem/ui/fragment/LoadedWalletViewModel.kt
+++ b/app/src/main/java/com/tangem/ui/fragment/LoadedWalletViewModel.kt
@ -0,0 +1,65 @@
+package com.tangem.ui.fragment
+
+import androidx.lifecycle.LiveData
+import androidx.lifecycle.MutableLiveData
+import androidx.lifecycle.ViewModel
+import com.tangem.data.Blockchain
+import com.tangem.data.network.ServerApiCommon
+import com.tangem.wallet.TangemContext
+
+class LoadedWalletViewModel : ViewModel() {
+    private var serverApiCommon: ServerApiCommon = ServerApiCommon()
+
+    private lateinit var ctx: TangemContext
+
+//    private var rate = MutableLiveData<Float>()
+//
+//    fun getRateInfo(ctx: TangemContext): LiveData<Float> {
+//        this.ctx = ctx
+//        rate = MutableLiveData()
+//        requestRateInfo()
+//        return rate
+//    }
+
+    private val rate: MutableLiveData<Float> by lazy {
+        MutableLiveData<Float>().also {
+            requestRateInfo()
+        }
+    }
+
+    fun getRateInfo(ctx: TangemContext): LiveData<Float> {
+        this.ctx = ctx
+        return rate
+    }
+
+    private fun requestRateInfo() {
+        serverApiCommon.setRateInfoListener {
+            val rate = it.priceUsd.toFloat()
+            this.rate.value = rate
+        }
+        // TODO - move requestRateInfo to CoinEngine
+        val cryptoId: String = when (ctx.blockchain) {
+            Blockchain.Bitcoin -> "bitcoin"
+            Blockchain.BitcoinTestNet -> "bitcoin"
+            Blockchain.Ethereum -> "ethereum"
+            Blockchain.EthereumTestNet -> "ethereum"
+            Blockchain.Token -> "ethereum"
+            Blockchain.NftToken -> "ethereum"
+            Blockchain.BitcoinCash -> "bitcoin-cash"
+            Blockchain.Litecoin -> "litecoin"
+            Blockchain.Rootstock -> "bitcoin"
+            Blockchain.RootstockToken -> "bitcoin"
+            Blockchain.Cardano -> "cardano"
+            Blockchain.Ripple -> "ripple"
+            else -> {
+                throw Exception("Can''t get rate for blockchain " + ctx.blockchainName)
+            }
+        }
+        serverApiCommon.requestRateInfo(cryptoId)
+    }
+
+    override fun onCleared() {
+        super.onCleared()
+//        getRateInfo(ctx).removeObservers()
+    }
+}