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package org.terst.feedreader.stash
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.withContext
import kotlinx.serialization.SerialName
import kotlinx.serialization.Serializable
import kotlinx.serialization.json.Json
import okhttp3.MediaType.Companion.toMediaType
import okhttp3.OkHttpClient
import okhttp3.Request
import okhttp3.RequestBody.Companion.toRequestBody
private val json = Json { ignoreUnknownKeys = true }
@Serializable
private data class CreateArtifactRequest(
val type: String = "url",
@SerialName("source_url") val sourceUrl: String,
val title: String? = null
)
@Serializable
data class ArtifactResponse(
val id: String,
val title: String? = null,
@SerialName("content_md") val contentMd: String? = null,
@SerialName("processing_steps") val processingSteps: List<String> = emptyList()
)
@Serializable
private data class DuplicateErrorResponse(@SerialName("existing_id") val existingId: String)
sealed class StashSaveResult {
data class Saved(val artifact: ArtifactResponse) : StashSaveResult()
data class AlreadySaved(val existingId: String) : StashSaveResult()
data class Failed(val message: String) : StashSaveResult()
}
sealed class StashVerifyResult {
object Valid : StashVerifyResult()
data class Invalid(val message: String) : StashVerifyResult()
}
/**
* Client for the parts of Stash's API this app needs: POST /artifacts to
* archive an article. Uses sync=true so content_md comes back in the same
* response (server runs extract+summary_lite inline, up to ~30s) --
* tags/full-summary/embeddings still fill in async server-side afterward,
* but this app doesn't need to wait on or poll for those.
*/
class StashClient(
private val client: OkHttpClient,
private val baseUrl: String,
private val apiKey: String
) {
// A cheap authenticated GET against the same collection /artifacts POSTs to, rather than
// a dedicated /me or /health endpoint this API doesn't document -- reads are safe/free of
// side effects, unlike actually creating an artifact just to test the key works.
suspend fun verifyCredentials(): StashVerifyResult = withContext(Dispatchers.IO) {
if (baseUrl.isBlank() || apiKey.isBlank()) {
return@withContext StashVerifyResult.Invalid("Base URL and API key are both required")
}
val request = Request.Builder()
.url("$baseUrl/artifacts")
.header("X-API-Key", apiKey)
.get()
.build()
runCatching {
client.newCall(request).execute().use { response ->
when {
response.isSuccessful -> StashVerifyResult.Valid
response.code == 401 || response.code == 403 -> StashVerifyResult.Invalid("Rejected: API key not accepted")
else -> StashVerifyResult.Invalid("HTTP ${response.code}")
}
}
}.getOrElse { StashVerifyResult.Invalid(it.message ?: "Couldn't reach that URL") }
}
suspend fun saveArticle(url: String, title: String?): StashSaveResult = withContext(Dispatchers.IO) {
if (baseUrl.isBlank() || apiKey.isBlank()) {
return@withContext StashSaveResult.Failed("Stash isn't configured (set base URL and API key in Settings)")
}
val body = json.encodeToString(
CreateArtifactRequest.serializer(),
CreateArtifactRequest(sourceUrl = url, title = title)
).toRequestBody("application/json".toMediaType())
val request = Request.Builder()
.url("$baseUrl/artifacts?sync=true")
.header("X-API-Key", apiKey)
.post(body)
.build()
runCatching {
client.newCall(request).execute().use { response ->
val responseBody = response.body?.string().orEmpty()
when {
response.code == 201 || response.code == 200 ->
StashSaveResult.Saved(json.decodeFromString(ArtifactResponse.serializer(), responseBody))
response.code == 409 ->
StashSaveResult.AlreadySaved(
json.decodeFromString(DuplicateErrorResponse.serializer(), responseBody).existingId
)
else -> StashSaveResult.Failed("HTTP ${response.code}")
}
}
}.getOrElse { StashSaveResult.Failed(it.message ?: "Network error") }
}
}
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