# SettingsPageViewModel.kt

    /*
     * The MIT License
     *
     * Original work sponsored and donated by The Danish Health Data Authority (http://www.sundhedsdatastyrelsen.dk)
     *
     * Copyright (C) 2021 The Danish Health Data Authority (http://www.sundhedsdatastyrelsen.dk)
     *
     *
     * Permission is hereby granted, free of charge, to any person obtaining a copy of
     * this software and associated documentation files (the "Software"), to deal in
     * the Software without restriction, including without limitation the rights to
     * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
     * of the Software, and to permit persons to whom the Software is furnished to do
     * so, subject to the following conditions:
     *
     *
     * The above copyright notice and this permission notice shall be included in all
     * copies or substantial portions of the Software.
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     * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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    package dk.nsp.mingraviditet.ui.main.more.settings

    import androidx.hilt.Assisted
    import androidx.lifecycle.LiveData
    import androidx.lifecycle.MutableLiveData
    import androidx.lifecycle.SavedStateHandle
    import androidx.lifecycle.ViewModel
    import androidx.lifecycle.viewModelScope
    import com.commonsense.android.kotlin.base.extensions.coroutines.launchIO
    import dagger.hilt.android.lifecycle.HiltViewModel
    import dk.nsp.domain.SettingSubSectionUrl
    import dk.nsp.domain.repository.SettingsPagesRepository
    import dk.nsp.shared.Failed
    import dk.nsp.shared.Success
    import javax.inject.Inject

    @HiltViewModel
    class SettingsPageViewModel @Inject constructor(
        private val pagesRepository: SettingsPagesRepository,
        @Assisted private val savedStateHandle: SavedStateHandle
    ) : ViewModel() {

        private var page = savedStateHandle.get<SettingSubSectionUrl>("page")

        private val _onContent = MutableLiveData<String>()
        val onContent: LiveData<String> = _onContent

        private val _onErrorLoadingUrl = MutableLiveData<Unit>()
        val onErrorLoadingUrl: LiveData<Unit> = _onErrorLoadingUrl

        init {
            refreshPage()
        }

        private fun refreshPage() {
            viewModelScope.launchIO {
                page?.let {
                    when (val pageResult = pagesRepository.getPage(this, it).await()) {
                        is Success -> _onContent.postValue(pageResult.value.content)
                        is Failed -> _onErrorLoadingUrl.postValue(Unit)
                    }
                }
            }
        }

        fun setPage(newPage: SettingSubSectionUrl) {
            page = newPage
            refreshPage()
        }

    }