com.tryfinch.api.services.blocking.AccessTokenServiceImpl.kt Maven / Gradle / Ivy

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The Finch HRIS API provides a unified way to connect to a multitide of HRIS systems. The API requires an access token issued by Finch. By default, Organization and Payroll requests use Finch's [Data Syncs](/developer-resources/Data-Syncs). If a request is made before the initial sync has completed, Finch will request data live from the provider. The latency on live requests may range from seconds to minutes depending on the provider and batch size. For automated integrations, Deductions requests (both read and write) are always made live to the provider. Latencies may range from seconds to minutes depending on the provider and batch size. Employer products are specified by the product parameter, a space-separated list of products that your application requests from an employer authenticating through Finch Connect. Valid product names are— - `company`: Read basic company data - `directory`: Read company directory and organization structure - `individual`: Read individual data, excluding income and employment data - `employment`: Read individual employment and income data - `payment`: Read payroll and contractor related payments by the company - `pay_statement`: Read detailed pay statements for each individual - `benefits`: Create and manage deductions and contributions and enrollment for an employer [![Open in Postman](https://run.pstmn.io/button.svg)](https://god.gw.postman.com/run-collection/21027137-08db0929-883d-4094-a9ce-dbf5a9bee4a4?action=collection%2Ffork&collection-url=entityId%3D21027137-08db0929-883d-4094-a9ce-dbf5a9bee4a4%26entityType%3Dcollection%26workspaceId%3D1edf19bc-e0a8-41e9-ac55-481a4b50790b)

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// File generated from our OpenAPI spec by Stainless.

package com.tryfinch.api.services.blocking

import com.tryfinch.api.core.ClientOptions
import com.tryfinch.api.core.RequestOptions
import com.tryfinch.api.core.http.HttpMethod
import com.tryfinch.api.core.http.HttpRequest
import com.tryfinch.api.core.http.HttpResponse.Handler
import com.tryfinch.api.errors.FinchError
import com.tryfinch.api.errors.FinchException
import com.tryfinch.api.models.AccessTokenCreateParams
import com.tryfinch.api.models.CreateAccessTokenResponse
import com.tryfinch.api.services.errorHandler
import com.tryfinch.api.services.json
import com.tryfinch.api.services.jsonHandler
import com.tryfinch.api.services.withErrorHandler

class AccessTokenServiceImpl
constructor(
    private val clientOptions: ClientOptions,
) : AccessTokenService {

    private val errorHandler: Handler = errorHandler(clientOptions.jsonMapper)

    private val createHandler: Handler =
        jsonHandler(clientOptions.jsonMapper)
            .withErrorHandler(errorHandler)

    /** Exchange the authorization code for an access token */
    override fun create(
        params: AccessTokenCreateParams,
        requestOptions: RequestOptions
    ): CreateAccessTokenResponse {
        val builder = params.toBuilder()

        if (!params.clientSecret().isPresent) {
            if (clientOptions.clientSecret == null || clientOptions.clientSecret.isEmpty()) {
                throw FinchException(
                    "client_secret must be provided as an argument or with the FINCH_CLIENT_SECRET environment variable"
                )
            }
            builder.clientSecret(clientOptions.clientSecret)
        }

        if (!params.clientId().isPresent) {
            if (clientOptions.clientId == null || clientOptions.clientId.isEmpty()) {
                throw FinchException(
                    "client_id must be provided as an argument or with the FINCH_CLIENT_ID environment variable"
                )
            }
            builder.clientId(clientOptions.clientId)
        }

        val modifiedParams = builder.build()

        val request =
            HttpRequest.builder()
                .method(HttpMethod.POST)
                .addPathSegments("auth", "token")
                .putAllQueryParams(clientOptions.queryParams)
                .putAllQueryParams(params.getQueryParams())
                .putAllHeaders(clientOptions.headers)
                .putAllHeaders(params.getHeaders())
                .body(json(clientOptions.jsonMapper, modifiedParams.getBody()))
                .build()
        return clientOptions.httpClient.execute(request, requestOptions).let { response ->
            response
                .use { createHandler.handle(it) }
                .apply {
                    if (requestOptions.responseValidation ?: clientOptions.responseValidation) {
                        validate()
                    }
                }
        }
    }
}