-
Notifications
You must be signed in to change notification settings - Fork 412
/
SequentialNetworkRequestsCallbacksViewModel.kt
65 lines (55 loc) 路 2.64 KB
/
SequentialNetworkRequestsCallbacksViewModel.kt
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
package com.lukaslechner.coroutineusecasesonandroid.usecases.coroutines.usecase2.callbacks
import com.lukaslechner.coroutineusecasesonandroid.base.BaseViewModel
import com.lukaslechner.coroutineusecasesonandroid.mock.AndroidVersion
import com.lukaslechner.coroutineusecasesonandroid.mock.VersionFeatures
import retrofit2.Call
import retrofit2.Callback
import retrofit2.Response
class SequentialNetworkRequestsCallbacksViewModel(
private val mockApi: CallbackMockApi = mockApi()
) : BaseViewModel<UiState>() {
private var getAndroidVersionsCall: Call<List<AndroidVersion>>? = null
private var getAndroidFeaturesCall: Call<VersionFeatures>? = null
fun perform2SequentialNetworkRequest() {
uiState.value = UiState.Loading
getAndroidVersionsCall = mockApi.getRecentAndroidVersions()
getAndroidVersionsCall!!.enqueue(object : Callback<List<AndroidVersion>> {
override fun onFailure(call: Call<List<AndroidVersion>>, t: Throwable) {
uiState.value = UiState.Error("Network Request failed")
}
override fun onResponse(
call: Call<List<AndroidVersion>>,
response: Response<List<AndroidVersion>>
) {
if (response.isSuccessful) {
val mostRecentVersion = response.body()!!.last()
getAndroidFeaturesCall =
mockApi.getAndroidVersionFeatures(mostRecentVersion.apiLevel)
getAndroidFeaturesCall!!.enqueue(object : Callback<VersionFeatures> {
override fun onFailure(call: Call<VersionFeatures>, t: Throwable) {
uiState.value = UiState.Error("Network Request failed")
}
override fun onResponse(
call: Call<VersionFeatures>,
response: Response<VersionFeatures>
) {
if (response.isSuccessful) {
val featuresOfMostRecentVersion = response.body()!!
uiState.value = UiState.Success(featuresOfMostRecentVersion)
} else {
uiState.value = UiState.Error("Network Request failed")
}
}
})
} else {
uiState.value = UiState.Error("Network Request failed")
}
}
})
}
override fun onCleared() {
super.onCleared()
getAndroidVersionsCall?.cancel()
getAndroidFeaturesCall?.cancel()
}
}