URI ディープリンクを照合する

@Serializable
data class UserProfileKey(val id: String) : NavKey

val userProfilePattern = DeepLinkUri("www.example.com/users/{id}")
val userProfileMatcher = UriDeepLinkMatcher(userProfilePattern, serializer<UserProfileKey>())

val request = DeepLinkRequest(uri = "https://www.example.com/users/123")
val matchResult = userProfileMatcher.match(request)
val key = matchResult?.key // UserProfileKey(id = "123")
UriMatcherSnippets.kt

@Serializable
data class UserProfileKey(val id: Int) : NavKey

val matcher = UriDeepLinkMatcher(
    DeepLinkUri("www.example.com/users/{id}"),
    serializer<UserProfileKey>()
)

val request = DeepLinkRequest(uri = "https://www.example.com/users/123")
val key = matcher.match(request)?.key // UserProfileKey(id = 123)
UriMatcherSnippets.kt

enum class SortOrder { RELEVANCE, DATE, POPULARITY }

@Serializable
data class ProductsKey(val sort: SortOrder) : NavKey

val matcher = UriDeepLinkMatcher(
    DeepLinkUri("www.example.com/products?sort={sort}"),
    serializer<ProductsKey>()
)

val request = DeepLinkRequest(uri = "https://www.example.com/products?sort=DATE")
val key = matcher.match(request)?.key // ProductsKey(sort = SortOrder.DATE)
UriMatcherSnippets.kt

@Serializable
data class FilteredItemsKey(val ids: List<Int>) : NavKey

val matcher = UriDeepLinkMatcher(
    DeepLinkUri("www.example.com/items?id={ids}"),
    serializer<FilteredItemsKey>()
)

val request = DeepLinkRequest(uri = "https://www.example.com/items?id=10&id=20")
val key = matcher.match(request)?.key // FilteredItemsKey(ids = listOf(10, 20))
UriMatcherSnippets.kt

enum class SortOrder { RELEVANCE, DATE, POPULARITY }

@Serializable
data class SearchFilters(
    val category: String,
    val sortBy: SortOrder = SortOrder.RELEVANCE
)

@Serializable
data class SearchKey(
    val query: String,
    val page: Int = 1,
    // Flattened into {category} and {sortBy}
    val filters: SearchFilters
) : NavKey

val matcher = UriDeepLinkMatcher(
    DeepLinkUri("www.example.com/search?q={query}&page={page}&category={category}&sortBy={sortBy}"),
    serializer<SearchKey>()
)

val request = DeepLinkRequest(uri = "https://www.example.com/search?q=kotlin&category=books&sortBy=DATE")
val key = matcher.match(request)?.key
// SearchKey(query = "kotlin", page = 1, filters = SearchFilters(category = "books", sortBy = SortOrder.DATE))
UriMatcherSnippets.kt

abstract class DeepLinkSerializer<T : Any> : KSerializer<T> {
    abstract val serialName: String
    abstract fun deserialize(value: String): T
    abstract fun serialize(value: T): String
}

@Serializable
data class Filter(val key: String, val value: String)

object FilterSerializer : DeepLinkSerializer<Filter>() {
    override val serialName: String = "com.example.Filter"

    override fun deserialize(value: String): Filter {
        val parts = value.split(":", limit = 2)
        if (parts.size < 2) {
            throw SerializationException("Invalid filter: $value. Expected key:value.")
        }
        return Filter(key = parts[0], value = parts[1])
    }

    override fun serialize(value: Filter): String = "${value.key}:${value.value}"
}
UriMatcherSnippets.kt

@Serializable
data class CatalogKey(
    @Serializable(with = FilterSerializer::class)
    val filter: Filter
) : NavKey

val matcher = UriDeepLinkMatcher(
    DeepLinkUri("www.example.com/catalog?filter={filter}"),
    serializer<CatalogKey>()
)

val request = DeepLinkRequest(uri = "https://www.example.com/catalog?filter=brand:google")
val key = matcher.match(request)?.key // CatalogKey(filter = Filter("brand", "google"))
UriMatcherSnippets.kt

@Serializable
data class SearchResultsKey(
    val query: String,
    val filters: List<@Serializable(with = FilterSerializer::class) Filter> = emptyList()
) : NavKey

val searchResultsPattern = DeepLinkUri("www.example.com/search?q={query}&filter={filters}")
val searchResultsMatcher = UriDeepLinkMatcher(searchResultsPattern, serializer<SearchResultsKey>())

val request = DeepLinkRequest(uri = "https://www.example.com/search?q=phone&filter=brand:google&filter=color:hazel")
val matchResult = searchResultsMatcher.match(request)
val key = matchResult?.key
// SearchResultsKey(query = "phone", filters = listOf(Filter("brand", "google"), Filter("color", "hazel")))
UriMatcherSnippets.kt

object IntListCsvSerializer : DeepLinkSerializer<List<Int>>() {
    override val serialName: String = "com.example.IntListCsv"

    override fun deserialize(value: String): List<Int> {
        if (value.isEmpty()) return emptyList()
        return value.split(",").map { it.trim().toInt() }
    }

    override fun serialize(value: List<Int>): String = value.joinToString(",")
}

@Serializable
data class ItemListKey(
    @Serializable(with = IntListCsvSerializer::class)
    val ids: List<Int>
) : NavKey

val itemListPattern = DeepLinkUri("www.example.com/items/{ids}")
val itemListMatcher = UriDeepLinkMatcher(itemListPattern, serializer<ItemListKey>())

val request = DeepLinkRequest(uri = "https://www.example.com/items/10,20,30")
val key = itemListMatcher.match(request)?.key // ItemListKey(ids = listOf(10, 20, 30))
UriMatcherSnippets.kt

enum class MapLayer { STANDARD, SATELLITE, TERRAIN }

@Serializable
data class LayerOptions(
    val style: String,
    val layer: MapLayer = MapLayer.STANDARD
)

@Serializable
data class MapKey(
    val location: String,
    val zoom: Int = 12,
    val options: LayerOptions
) : NavKey

val matcher = UriDeepLinkMatcher(
    DeepLinkUri("www.example.com/map/{location}?zoom={zoom}&style={style}&layer={layer}"),
    serializer<MapKey>()
)
UriMatcherSnippets.kt

// Throws IllegalArgumentException: Map decoding is not supported.
@Serializable
data class InvalidKey(val tags: Map<String, String>) : NavKey
// Throws SerializationException: Only collections of primitives are supported.
@Serializable
data class InvalidKey(val filters: List<Filter>) : NavKey
UriMatcherSnippets.kt

class LegacyPrefixUriDeepLinkMatcher<T : Any>(
    uriPattern: DeepLinkUri,
    serializer: KSerializer<T>
) : UriDeepLinkMatcher<T>(uriPattern, serializer) {

    override fun matchUri(uri: DeepLinkUri): UriMatchResult<T>? {
        val path = uri.path
        val normalizedUri = if (path != null && path.startsWith("/legacy/")) {
            DeepLinkUri(uri.toString().replaceFirst("/legacy", ""))
        } else {
            uri
        }
        return super.matchUri(normalizedUri)
    }
}
UriMatcherSnippets.kt