com.aashreys.walls.network.ApiFactory.java Source code

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Here is the source code for com.aashreys.walls.network.ApiFactory.java

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/*
 * Copyright {2017} {Aashrey Kamal Sharma}
 *
 *    Licensed under the Apache License, Version 2.0 (the "License");
 *    you may not use this file except in compliance with the License.
 *    You may obtain a copy of the License at
 *
 *        http://www.apache.org/licenses/LICENSE-2.0
 *
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS,
 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *    See the License for the specific language governing permissions and
 *    limitations under the License.
 */

package com.aashreys.walls.network;

import com.aashreys.safeapi.SafeApi;
import com.aashreys.walls.BuildConfig;
import com.aashreys.walls.domain.display.images.Image;
import com.aashreys.walls.network.unsplash.UnsplashApi;
import com.aashreys.walls.network.unsplash.UnsplashImageResponseParser;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;

import java.io.IOException;

import okhttp3.Interceptor;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.Response;
import retrofit2.Retrofit;
import retrofit2.adapter.rxjava2.RxJava2CallAdapterFactory;
import retrofit2.converter.gson.GsonConverterFactory;

/**
 * A class for creating implementations of Retrofit api interfaces.
 * Created by aashreys on 04/03/17.
 */

public class ApiFactory {

    private static final String TAG = ApiFactory.class.getSimpleName();

    public UnsplashApi createUnsplashApi(OkHttpClient client, String baseUrl) {
        Gson gson = new GsonBuilder().registerTypeAdapter(Image.class, new UnsplashImageResponseParser()).create();
        return new Retrofit.Builder().client(client.newBuilder().addInterceptor(new Interceptor() {
            @Override
            public Response intercept(Chain chain) throws IOException {
                Request originalRequest = chain.request();
                // Add api headers
                Request requestWithHeaders = originalRequest.newBuilder()
                        .addHeader("Authorization", "Client-ID " + SafeApi.decrypt(BuildConfig.UNSPLASH_API_KEY))
                        .addHeader("Accept-Version", UnsplashApi.API_VERSION).build();
                return chain.proceed(requestWithHeaders);
            }
        }).addNetworkInterceptor(new Interceptor() {
            @Override
            public Response intercept(Chain chain) throws IOException {
                Request request = chain.request();
                Response response = chain.proceed(request);
                String requestUrl = request.url().toString();
                String header = "public, " + UnsplashApi.GENERAL_CACHE_DURATION;
                if (requestUrl.contains("photos/")) {
                    header = "public, " + UnsplashApi.PHOTO_INFO_CACHE_DURATION;
                }
                if (requestUrl.contains("/collections/featured")) {
                    header = "public, " + UnsplashApi.FEATURED_COLLECTION_CACHE_DURATION;
                }
                return response.newBuilder().header("Cache-Control", header).build();
            }
        }).build()).validateEagerly(true).baseUrl(baseUrl).addCallAdapterFactory(RxJava2CallAdapterFactory.create())
                .addConverterFactory(GsonConverterFactory.create(gson)).build().create(UnsplashApi.class);
    }

}