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path: root/app/src/main/java/xyz/adjutor/aniki/presentation/controller/manga/SearchMangaController.kt
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package xyz.adjutor.aniki.presentation.controller.manga

import com.google.gson.Gson
import com.google.gson.GsonBuilder
import retrofit2.Call
import retrofit2.Callback
import retrofit2.Response
import retrofit2.Retrofit
import retrofit2.converter.gson.GsonConverterFactory
import xyz.adjutor.aniki.data.manga.SearchMangaApi
import xyz.adjutor.aniki.presentation.model.manga.SearchManga
import xyz.adjutor.aniki.presentation.model.manga.SearchMangaResponse
import xyz.adjutor.aniki.presentation.view.manga.SearchMangaPage

class SearchMangaController {

    lateinit var gson: Gson
    lateinit var baseUrl: String //the api's base url
    lateinit var view: SearchMangaPage

    fun onStart(searchMangaPage: SearchMangaPage) {

        view = searchMangaPage
        baseUrl = "https://api.jikan.moe/" //the api's base url
        gson = GsonBuilder()
            .setLenient()
            .create()
    }

    //call the API and show the list
    private fun makeApiCall(view: SearchMangaPage, BASE_URL: String, query: String) {

        val retrofit = Retrofit.Builder()
            .baseUrl(BASE_URL)
            .addConverterFactory(GsonConverterFactory.create(gson))
            .build()

        val service = retrofit.create(SearchMangaApi::class.java)
        val call =
            service.getSearchMangaData(q = query) //fate is an exemple, we'll have to replace it by the user input.

        call.enqueue(object : Callback<SearchMangaResponse> {
            override fun onResponse(
                call: Call<SearchMangaResponse>,
                response: Response<SearchMangaResponse>
            ) {
                if (response.isSuccessful && response.body() != null) { //if the code returned is >= 200 and < 300 AND the the body ain't empty

                    val mangaList: List<SearchManga> = response.body()!!
                        .getResults() //getting the "search" field containing our list of SearchMangas

                    view.showList(
                        view.requireView(),
                        mangaList
                    ) //calling the method in charge of displaying on the recyclerview

                } else {
                    view.showError() //a snackbar
                }
            }

            override fun onFailure(call: Call<SearchMangaResponse>, t: Throwable) {
                view.showError()
            }

        })
    }

    fun updateList(userInput: String) {
        makeApiCall(view, baseUrl, userInput)
    }

}