[我很难确定在Repository
请求的情况下如何连接ViewModel
和@GET
的实时数据,并在片段中观察它们。
当请求类型为@POST
时,我没有这个问题,因为我可以在正文上使用Transformation.switchMap
,并且只要正文更改存储库的函数就被调用并向响应实时数据发出值,就像这样
val matchSetsDetail: LiveData<Resource<MatchDetailBean>> = Transformations.switchMap(matchIdLiveData) { matchId ->
val body = MatchSetRequest(matchId)
repository.getMatchSet(body)
}
但在@GET
请求的情况下,我的View提供了几个查询参数
我在存储库类中有这个改造API调用,代码看起来像这样
fun checkInCheckOutUser(apiKey: String, userId: Int, status: String, latitude: Double, longitude: Double, checkedOn: Long): LiveData<Resource<BaseResponse>> = liveData {
emit(Resource.Loading())
try {
val response: Response<BaseResponse> = ApiClient.coachApi.checkInCheckOutUser(apiKey, userId, status, latitude, longitude, checkedOn)
if (response.isSuccessful && response.body() != null) {
if (response.body()!!.isValidKey && response.body()!!.success) {
emit(Resource.Success(response.body()!!))
} else {
emit(Resource.Failure(response.body()!!.message))
}
} else {
emit(Resource.Failure())
}
} catch (e: Exception) {
emit(Resource.Failure())
}
}
和ViewModel
class CheckInMapViewModel : ViewModel() {
val checkInResponse: LiveData<Resource<BaseResponse>> = MutableLiveData()
fun checkInCheckOut(apiKey: String, userId: Int, status: String, latitude: Double, longitude: Double, checkedOn: Long): LiveData<Resource<BaseResponse>> {
return repository.checkInCheckOutUser(apiKey,userId,status,latitude,longitude,checkedOn)
}
}
主要问题是我想观察checkInResponse
,但不知道如何像上面使用Transformations.switchMap
处理我的发帖请求一样传递存储库的实时数据。有人可以帮助我处理此案吗?
编辑-这是我要求的翻新服务类
interface CoachApi {
@POST(Urls.CHECK_IN_CHECK_OUT_URL)
suspend fun checkInCheckOutUser(
@Query("apiKey") apiKey: String,
@Query("userId") userId: Int,
@Query("status") status: String,
@Query("latitude") latitude: Double,
@Query("longitude") longitude: Double,
@Query("checkedOn") checkedOn: Long
): Response<SelfCheckResponse>
@POST(Urls.SELF_CHECK_STATUS)
suspend fun getCheckInStatus(
@Query("apiKey") apiKey: String,
@Query("userId") userId: Int
): Response<SelfCheckStatusResponse>
}
尝试一下:
class CheckInMapViewModel : ViewModel() {
private val _checkInResponse: MediatorLiveData<Resource<BaseResponse>> = MediatorLiveData()
val checkInResponse: LiveData<Resource<BaseResponse>>
get() = _checkInResponse
init {
_checkInResponse.addSource(checkInCheckOut()) {
_checkInResponse.value = it
}
}
fun checkInCheckOut(apiKey: String, userId: Int, status: String, latitude: Double, longitude: Double, checkedOn: Long): LiveData<Resource<BaseResponse>> {
return repository.checkInCheckOutUser(apiKey,userId,status,latitude,longitude,checkedOn)
}
}