🚧 add retrofit

add retrofit instance and the api

Sources/app/build.gradle

@@ -42,6 +42,8 @@ dependencies {
 
     implementation "androidx.appcompat:appcompat:$rootProject.appCompatVersion"
     implementation "androidx.activity:activity-ktx:$rootProject.activityVersion"
+    implementation 'androidx.core:core-ktx:1.9.0'
+    implementation "androidx.fragment:fragment-ktx:1.5.5"
 
     // Room components
     implementation "androidx.room:room-ktx:$rootProject.roomVersion"
@@ -62,6 +64,15 @@ dependencies {
     implementation "androidx.constraintlayout:constraintlayout:$rootProject.constraintLayoutVersion"
     implementation "com.google.android.material:material:$rootProject.materialVersion"
 
+    // Moshi
+    implementation "com.squareup.moshi:moshi-kotlin:1.13.0"
+    // Retrofit
+    implementation "com.squareup.retrofit2:retrofit:2.9.0"
+    // Retrofit with Scalar Converter
+    implementation "com.squareup.retrofit2:converter-scalars:2.9.0"
+    // Retrofit with Moshi Converter
+    implementation "com.squareup.retrofit2:converter-moshi:2.9.0"
+
     // Testing
     testImplementation "junit:junit:$rootProject.junitVersion"
     androidTestImplementation "androidx.arch.core:core-testing:$rootProject.coreTestingVersion"

Sources/app/src/main/AndroidManifest.xml

@@ -2,6 +2,8 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools">
 
+    <uses-permission android:name="android.permission.INTERNET" />
+
     <application
         android:allowBackup="true"
         android:dataExtractionRules="@xml/data_extraction_rules"

Sources/app/src/main/java/fr/iut/pm/movieapplication/api/MovieApplicationAPI.kt

@@ -0,0 +1,18 @@
+package fr.iut.pm.movieapplication.api
+
+import fr.iut.pm.movieapplication.network.dtos.PopularDTO
+import fr.iut.pm.movieapplication.utils.Constants
+import fr.iut.pm.movieapplication.utils.Constants.Companion.API_KEY
+import kotlinx.coroutines.flow.Flow
+import retrofit2.Call
+import retrofit2.Response
+import retrofit2.http.GET
+import retrofit2.http.Header
+import retrofit2.http.Query
+
+interface MovieApplicationAPI {
+
+    @GET("movie/popular")
+    suspend fun getPopularMovies(@Query("api_key") apiKey : String) : Call<PopularDTO>
+
+}

Sources/app/src/main/java/fr/iut/pm/movieapplication/api/RetrofitInstance.kt

@@ -0,0 +1,27 @@
+package fr.iut.pm.movieapplication.api
+
+import com.squareup.moshi.Moshi
+import com.squareup.moshi.kotlin.reflect.KotlinJsonAdapterFactory
+import fr.iut.pm.movieapplication.utils.Constants.Companion.BASE_URL
+import retrofit2.Retrofit
+import retrofit2.converter.moshi.MoshiConverterFactory
+
+private val moshi = Moshi.Builder()
+    .add(KotlinJsonAdapterFactory())
+    .build()
+
+
+
+object RetrofitInstance {
+
+    private val retrofit by lazy {
+        Retrofit.Builder()
+        .addConverterFactory(MoshiConverterFactory.create(moshi))
+        .baseUrl(BASE_URL)
+        .build()
+    }
+
+    val api : MovieApplicationAPI by lazy {
+        retrofit.create(MovieApplicationAPI::class.java)
+    }
+}

Sources/app/src/main/java/fr/iut/pm/movieapplication/data/dao/MovieDAO.kt

@@ -1,6 +1,8 @@
 package fr.iut.pm.movieapplication.data.dao
 
 import androidx.room.Dao
+import androidx.room.Insert
+import androidx.room.OnConflictStrategy
 import androidx.room.Query
 import fr.iut.pm.movieapplication.model.Movie
 import kotlinx.coroutines.flow.Flow
@@ -11,5 +13,11 @@ interface MovieDAO {
     @Query("SELECT * FROM movies_table ORDER BY original_title ASC")
     fun getMovieByAlphabetizeMovie() : Flow<List<Movie>>
 
+    @Insert(onConflict = OnConflictStrategy.IGNORE)
+    suspend fun insert(movie : Movie)
+
+    @Query("DELETE FROM movies_table")
+    suspend fun deleteAll()
+
 
 }

Sources/app/src/main/java/fr/iut/pm/movieapplication/data/dao/MovieEntity.kt

@@ -0,0 +1,9 @@
+package fr.iut.pm.movieapplication.data.dao
+
+import androidx.room.Entity
+
+@Entity("movies_table")
+class MovieEntity {
+
+
+}

Sources/app/src/main/java/fr/iut/pm/movieapplication/model/Popular.kt

@@ -0,0 +1,17 @@
+package fr.iut.pm.movieapplication.model
+
+import androidx.room.ColumnInfo
+import androidx.room.Embedded
+
+data class Popular(
+    @ColumnInfo("page")
+    val page : Int,
+    @ColumnInfo("results")
+    @Embedded
+    val results : List<Movie>,
+    val totalResults : Int,
+    val totalPages : Int
+
+){
+
+}

Sources/app/src/main/java/fr/iut/pm/movieapplication/network/dtos/GenreDTO.kt

@@ -0,0 +1,7 @@
+package fr.iut.pm.movieapplication.network.dtos
+
+data class GenreDTO(
+    private val id : Int,
+    private val name : String
+) {
+}

Sources/app/src/main/java/fr/iut/pm/movieapplication/network/dtos/MovieDTO.kt

@@ -0,0 +1,25 @@
+package fr.iut.pm.movieapplication.network.dtos
+
+import com.squareup.moshi.Json
+
+data class MovieDTO(
+    @Json(name = "poster_path")
+    val posterPath : String?,
+    val adult : Boolean,
+    val overview : String?,
+    @Json(name = "release_date")
+    val releaseDate : String,
+    @Json(name = "genre_ids")
+    val genreIds : List<Int>,
+    val id : Int,
+    @Json(name = "original_title")
+    val originalTitle : String,
+    @Json(name = "original_language")
+    val originalLanguage : String,
+    val title : String
+
+
+) {
+
+
+}

Sources/app/src/main/java/fr/iut/pm/movieapplication/network/dtos/PopularDTO.kt

@@ -0,0 +1,12 @@
+package fr.iut.pm.movieapplication.network.dtos
+
+import com.squareup.moshi.Json
+
+data class PopularDTO(
+    val page : Int,
+    val results : List<MovieDTO>,
+    @Json(name = "total_pages")
+    val totalPages : Int,
+    @Json(name = "total_results")
+    val totalResults : Int
+) {}

Sources/app/src/main/java/fr/iut/pm/movieapplication/repository/MovieRepository.kt

@@ -0,0 +1,15 @@
+package fr.iut.pm.movieapplication.repository
+
+import fr.iut.pm.movieapplication.data.dao.MovieDAO
+import fr.iut.pm.movieapplication.model.Movie
+import fr.iut.pm.movieapplication.network.dtos.MovieDTO
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.combine
+import kotlinx.coroutines.flow.transform
+
+class MovieRepository() {
+
+    suspend fun getPopularMovies() : List<MovieDTO>{
+        return PopularRepository().getPopular()!!.results
+    }
+}

Sources/app/src/main/java/fr/iut/pm/movieapplication/repository/PopularRepository.kt

@@ -0,0 +1,33 @@
+package fr.iut.pm.movieapplication.repository
+
+import android.util.Log
+import fr.iut.pm.movieapplication.api.RetrofitInstance
+import fr.iut.pm.movieapplication.network.dtos.PopularDTO
+import fr.iut.pm.movieapplication.utils.Constants.Companion.API_KEY
+import kotlinx.coroutines.flow.Flow
+import retrofit2.Call
+import retrofit2.Callback
+import retrofit2.Response
+
+class PopularRepository() {
+
+    suspend fun getPopular(): PopularDTO? {
+
+        lateinit var popularDTO : PopularDTO
+        RetrofitInstance.api.getPopularMovies(API_KEY).enqueue(object : Callback<PopularDTO> {
+            override fun onResponse(call: Call<PopularDTO>, response: Response<PopularDTO>) {
+                if (response.isSuccessful) {
+                    Log.d("RESPONSE ::", response.body()?.page.toString())
+                    popularDTO = response.body()!!
+                }
+            }
+
+            override fun onFailure(call: Call<PopularDTO>, t: Throwable) {
+                TODO("Not yet implemented")
+            }
+
+
+        })
+        return popularDTO
+    }
+}

Sources/app/src/main/java/fr/iut/pm/movieapplication/ui/adapter/HomeItemAdapter.kt

@@ -6,11 +6,13 @@ import android.view.ViewGroup
 import android.widget.ImageView
 import androidx.recyclerview.widget.RecyclerView
 import fr.iut.pm.movieapplication.R
+import fr.iut.pm.movieapplication.network.dtos.MovieDTO
 import fr.iut.pm.movieapplication.ui.activity.MainActivity
 
 class HomeItemAdapter(
     private val context : MainActivity,
-    private val layoutId : Int
+    private val layoutId : Int,
+    private val list : List<MovieDTO>
     ) : RecyclerView.Adapter<HomeItemAdapter.ViewHolder>() {
 
     class ViewHolder(view : View) : RecyclerView.ViewHolder(view) {
@@ -23,7 +25,9 @@ class HomeItemAdapter(
         return ViewHolder(view)
     }
 
-    override fun onBindViewHolder(holder: ViewHolder, position: Int) {}
+    override fun onBindViewHolder(holder: ViewHolder, position: Int) {
+        val currentItem = list?.get(position)
+    }
 
-    override fun getItemCount(): Int = 5
+    override fun getItemCount(): Int = list?.size!!
 }

Sources/app/src/main/java/fr/iut/pm/movieapplication/ui/fragments/HomeSectionsFragment.kt

@@ -7,30 +7,33 @@ import android.view.ViewGroup
 import androidx.fragment.app.Fragment
 import androidx.recyclerview.widget.RecyclerView
 import fr.iut.pm.movieapplication.R
+import fr.iut.pm.movieapplication.network.dtos.MovieDTO
+import fr.iut.pm.movieapplication.network.dtos.PopularDTO
 import fr.iut.pm.movieapplication.ui.activity.MainActivity
 import fr.iut.pm.movieapplication.ui.adapter.HomeItemAdapter
 import fr.iut.pm.movieapplication.ui.adapter.HomeItemDecoration
+import fr.iut.pm.movieapplication.ui.viewmodel.HomeSectionsVM
 
-class HomeSectionsFragment(
+class HomeSectionsFragment(private val context : MainActivity) : Fragment() {
-    private val context : MainActivity
+
-) : Fragment() {
+    private lateinit var homeSectionsViewModel : HomeSectionsVM
 
     override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
         val view = inflater.inflate(R.layout.fragment_home_sections, container, false)
 
         //get the trends RecyclerView
         val homeTrendsRecyclerView = view?.findViewById<RecyclerView>(R.id.home_trends_recycler_view)
-        homeTrendsRecyclerView?.adapter = HomeItemAdapter(context,R.layout.item_horizontal_home_page)
+        homeTrendsRecyclerView?.adapter = HomeItemAdapter(context,R.layout.item_horizontal_home_page,ArrayList<MovieDTO>())
         homeTrendsRecyclerView?.addItemDecoration(HomeItemDecoration())
 
         //get the popularity RecyclerView
         val homePopularityRecyclerView = view?.findViewById<RecyclerView>(R.id.home_popularity_recycler_view)
-        homePopularityRecyclerView?.adapter = HomeItemAdapter(context,R.layout.item_horizontal_home_page)
+        homePopularityRecyclerView?.adapter = HomeItemAdapter(context,R.layout.item_horizontal_home_page,ArrayList<MovieDTO>())
         homePopularityRecyclerView?.addItemDecoration(HomeItemDecoration())
 
         //get the free RecyclerView
         val homeFreeRecyclerView = view?.findViewById<RecyclerView>(R.id.home_free_recycler_view)
-        homeFreeRecyclerView?.adapter = HomeItemAdapter(context,R.layout.item_horizontal_home_page)
+        homeFreeRecyclerView?.adapter = HomeItemAdapter(context,R.layout.item_horizontal_home_page,ArrayList())
         homeFreeRecyclerView?.addItemDecoration(HomeItemDecoration())
         return view
     }

Sources/app/src/main/java/fr/iut/pm/movieapplication/ui/fragments/MoviesFragment.kt

@@ -5,13 +5,25 @@ import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import androidx.fragment.app.Fragment
+import androidx.fragment.app.viewModels
+import androidx.lifecycle.Observer
+import androidx.lifecycle.ViewModelProvider
+import androidx.lifecycle.viewmodel.viewModelFactory
 import androidx.recyclerview.widget.GridLayoutManager
 import androidx.recyclerview.widget.RecyclerView
 import fr.iut.pm.movieapplication.R
+import fr.iut.pm.movieapplication.data.dao.MovieDAO
+import fr.iut.pm.movieapplication.network.dtos.MovieDTO
+import fr.iut.pm.movieapplication.network.dtos.PopularDTO
+import fr.iut.pm.movieapplication.repository.MovieRepository
 import fr.iut.pm.movieapplication.ui.activity.MainActivity
 import fr.iut.pm.movieapplication.ui.adapter.CategoryItemDecoration
 import fr.iut.pm.movieapplication.ui.adapter.HomeItemAdapter
 import fr.iut.pm.movieapplication.ui.adapter.HomeItemDecoration
+import fr.iut.pm.movieapplication.ui.viewmodel.MoviesVM
+import fr.iut.pm.movieapplication.ui.viewmodel.MoviesVMFactory
+import kotlinx.coroutines.awaitAll
+import kotlinx.coroutines.runBlocking
 
 class MoviesFragment(
     private val context : MainActivity
@@ -20,10 +32,15 @@ class MoviesFragment(
 
     override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
         val view = inflater.inflate(R.layout.fragment_movies, container, false)
+        val viewModel by viewModels<MoviesVM> {
+            MoviesVMFactory(MovieRepository())
+        }
+
 
-        //get the recycler view
         val moviesRecyclerView = view?.findViewById<RecyclerView>(R.id.movies_item_recycler_view)
-        moviesRecyclerView?.adapter = HomeItemAdapter(context,R.layout.item_vertical_fragment)
+
+        moviesRecyclerView?.adapter = HomeItemAdapter(context, R.layout.item_vertical_fragment,viewModel.popularMovies.value!!)
+
         moviesRecyclerView?.layoutManager = GridLayoutManager(context, 2)
         moviesRecyclerView?.addItemDecoration(CategoryItemDecoration())
 

Sources/app/src/main/java/fr/iut/pm/movieapplication/ui/viewmodel/HomeSectionsVM.kt

@@ -0,0 +1,4 @@
+package fr.iut.pm.movieapplication.ui.viewmodel
+
+class HomeSectionsVM {
+}

Sources/app/src/main/java/fr/iut/pm/movieapplication/ui/viewmodel/MoviesVM.kt

@@ -0,0 +1,46 @@
+package fr.iut.pm.movieapplication.ui.viewmodel
+
+import androidx.lifecycle.MutableLiveData
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.ViewModelProvider
+import androidx.lifecycle.viewModelScope
+import fr.iut.pm.movieapplication.network.dtos.MovieDTO
+import fr.iut.pm.movieapplication.repository.MovieRepository
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
+
+class MoviesVM(private val repository: MovieRepository) : ViewModel() {
+
+    private val _popularMovies = MutableLiveData<List<MovieDTO>>()
+    val popularMovies : MutableLiveData<List<MovieDTO>> = _popularMovies
+
+    init {
+         getPopularMovies()
+    }
+
+
+    private fun  getPopularMovies() {
+        viewModelScope.launch {
+            try {
+                _popularMovies.value = repository.getPopularMovies()}
+            catch (e : Exception) {
+                e.stackTrace
+            }
+
+        }
+    }
+
+}
+
+class MoviesVMFactory(
+    private val repository: MovieRepository
+    ) : ViewModelProvider.Factory {
+    override fun <T : ViewModel> create(modelClass: Class<T>): T {
+        if (modelClass.isAssignableFrom(MoviesVM::class.java)) {
+            return MoviesVM(repository) as T
+        }
+        throw java.lang.IllegalArgumentException("Unknown ViewModel class")
+    }
+
+}

Sources/app/src/main/java/fr/iut/pm/movieapplication/utils/Constants.kt

@@ -0,0 +1,9 @@
+package fr.iut.pm.movieapplication.utils
+
+class Constants {
+
+    companion object {
+        const val BASE_URL = "https://api.themoviedb.org/3/"
+        const val API_KEY = "8f14a279249638d7f247d0d7298b21b4"
+    }
+}

Sources/app/src/main/res/layout/item_vertical_fragment.xml

@@ -24,6 +24,7 @@
             android:background="@color/black" />
 
         <TextView
+            android:id="@+id/item_name"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:text="Nom du film"

Sources/build.gradle

@@ -12,7 +12,7 @@ ext {
     coreTestingVersion = '2.1.0'
     coroutines = '1.6.4'
     lifecycleVersion = '2.5.1'
-    materialVersion = '1.7.0'
+    materialVersion = '1.8.0'
     roomVersion = '2.5.0'
     kotlin_version = '1.7.20'
     // testing