commonMain.com.algolia.search.client.ClientAccount.kt Maven / Gradle / Ivy

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package com.algolia.search.client

import com.algolia.search.client.internal.IndexImpl
import com.algolia.search.exception.AlgoliaApiException
import com.algolia.search.model.ApplicationID
import com.algolia.search.model.task.Task
import io.ktor.http.HttpStatusCode

/**
 * Client to perform operations between applications.
 */
public object ClientAccount {

    /**
     *  Copy settings, synonyms, rules and objects from the [source] index to the [destination] index.
     *  @throws IllegalArgumentException if [source] and [destination] have the same [ApplicationID].
     *  @throws IllegalStateException if [destination] index already exists.
     */
    public suspend fun copyIndex(source: Index, destination: Index): List {
        val sourceIndex = source as? IndexImpl
        val destinationIndex = destination as? IndexImpl
        if (sourceIndex != null && destinationIndex != null &&
            sourceIndex.transport.credentials.applicationID == destinationIndex.transport.credentials.applicationID
        ) {
            throw IllegalArgumentException("Source and Destination indices should not be on the same application.")
        }
        var hasThrown404 = false
        try {
            destination.getSettings()
        } catch (exception: AlgoliaApiException) {
            hasThrown404 = exception.httpErrorCode == HttpStatusCode.NotFound.value
            if (!hasThrown404) throw exception
        }
        if (!hasThrown404) {
            throw IllegalStateException("Destination index already exists. Please delete it before copying index across applications.")
        }

        val tasks = mutableListOf()

        destination.apply {
            tasks += setSettings(source.getSettings())
            source.browseRules().forEach { tasks += saveRules(it.hits.map { hit -> hit.rule }) }
            source.browseSynonyms().forEach { tasks += saveSynonyms(it.hits.map { hit -> hit.synonym }) }
            source.browseObjects().forEach { tasks += saveObjects(it.hits.map { hit -> hit.json }) }
        }
        return tasks
    }
}