1 files changed, 97 insertions, 0 deletions
diff --git a/app/src/main/java/xyz/adjutor/aniki/presentation/controller/manga/DetailTopMangaController.kt b/app/src/main/java/xyz/adjutor/aniki/presentation/controller/manga/DetailTopMangaController.kt
new file mode 100644
index 0000000..807421c
--- /dev/null
+++ b/app/src/main/java/xyz/adjutor/aniki/presentation/controller/manga/DetailTopMangaController.kt
@@ -0,0 +1,97 @@
+package xyz.adjutor.aniki.presentation.controller.manga
+
+import android.content.Context
+import android.content.SharedPreferences
+import com.google.gson.Gson
+import com.google.gson.GsonBuilder
+import com.google.gson.reflect.TypeToken
+import retrofit2.Call
+import retrofit2.Callback
+import retrofit2.Response
+import retrofit2.Retrofit
+import retrofit2.converter.gson.GsonConverterFactory
+import xyz.adjutor.aniki.data.manga.MangaApi
+import xyz.adjutor.aniki.presentation.model.manga.MangaResponse
+import xyz.adjutor.aniki.presentation.view.manga.DetailTopMangaActivity
+import java.lang.reflect.Type
+
+class DetailTopMangaController {
+
+    private lateinit var sharedPreferences: SharedPreferences
+    lateinit var gson: Gson
+    private lateinit var baseUrl: String //the api's base url
+    lateinit var view: DetailTopMangaActivity
+
+    fun onStart(DetailTopMangaActivity: DetailTopMangaActivity, mangaId: String) {
+
+        view = DetailTopMangaActivity
+        baseUrl = "https://api.jikan.moe/" //the api's base url
+        gson = GsonBuilder()
+            .setLenient()
+            .create()
+        sharedPreferences =
+            view.applicationContext.getSharedPreferences("sp_manga", Context.MODE_PRIVATE)
+
+        val manga: MangaResponse? = getDataFromCache(mangaId)
+        if (manga != null) {
+            view.showDetail(manga)
+        } else {
+            //taking the API's fields I want and displaying them
+            makeApiCall(baseUrl, mangaId)
+        }
+    }
+
+    private fun getDataFromCache(mangaId: String): MangaResponse? {
+        val jsonManga: String? = sharedPreferences.getString(mangaId, null)
+
+        return if (jsonManga == null) {
+            null
+        } else {
+            val type: Type = object : TypeToken<MangaResponse>() {}.type
+            gson.fromJson(jsonManga, type)
+        }
+    }
+
+    private fun makeApiCall(BASE_URL: String, mangaId: String) {
+
+        val retrofit = Retrofit.Builder()
+            .baseUrl(BASE_URL)
+            .addConverterFactory(GsonConverterFactory.create(gson))
+            .build()
+
+        val service = retrofit.create(MangaApi::class.java)
+        val call = service.getMangaData(mangaId) //based on the id
+
+        call.enqueue(object : Callback<MangaResponse> {
+            override fun onResponse(
+                call: Call<MangaResponse>,
+                response: Response<MangaResponse>
+            ) {
+                if (response.isSuccessful && response.body() != null) { //if the code returned is >= 200 and < 300 AND the the body ain't empty
+
+                    val manga = response.body() //getting the MangaResponse fields
+                    saveList(manga)
+                    view.showDetail(manga!!)
+
+                } else {
+                    view.showError("API ERROR : is not successful")
+                }
+            }
+
+            override fun onFailure(call: Call<MangaResponse>, t: Throwable) {
+                view.showError("API ERROR : onFailure")
+            }
+
+        })
+    }
+
+    fun saveList(manga: MangaResponse?) {
+        val jsonString: String = gson.toJson(manga)
+
+        sharedPreferences
+            .edit()
+            .putString(manga?.mal_id.toString(), jsonString)
+            .apply()
+    }
+
+}
+\ No newline at end of file