Implementation of the BuildConfigProvider.kt

BuildConfigProviderImpl.kt

class BuildConfigProviderImpl
@Inject
constructor(@ApplicationContext private val context: Context) : BuildConfigProvider {

    private fun getFlavorMap(): MutableMap<String, String> {
        return if (BuildConfig.BUILD_TYPE == "release") {
            BuildConfig.RELEASE_MAP
        } else {
            buildConfigurationFor(getFlavor())
        }
    }

    @Suppress("UNCHECKED_CAST")
    private fun getFieldFromBuildConfig(
        clazz: Class<*>,
        fieldName: String
    ): MutableMap<String, String> {
        return clazz.getField(fieldName).get(null) as MutableMap<String, String>
    }

    override fun setFlavor(text: String) {
        // Sets the selected flavor as chosen by the user
    }

    override fun getFlavor(): String {
        val flavor = // // Gets the selected flavor as chosen by the user
        return flavor ?: BuildConfig.FLAVOR
    }

    override fun getValue(key: String): String {
        val flavorMap: MutableMap<String, String> = getFlavorMap()
        return (flavorMap[key].toString())
    }

    private fun buildConfigurationFor(flavorName: String): MutableMap<String, String> {
        val flavorPropertiesMap: MutableMap<String, String> by lazy {
            getFieldFromBuildConfig(
                BuildConfig::class.java,
                "${flavorName.uppercase(Locale.ENGLISH)}_MAP"
            )
        }
        return flavorPropertiesMap
    }
    
    override fun allFlavors(): List<String> {
        return BuildConfig.SET_OF_FLAVORS
    }
}