added realisation for image of day description

app/src/main/java/com/example/nasa_mars_api_service/core/Mapping.kt

@@ -223,4 +223,28 @@ fun MarsPhoto.isFavourite(): MarsPhoto {
             launchDate,
             status
     )
+}
+
+fun PictureOfDayPhoto.isNotFavourite(): PictureOfDayPhoto {
+    return PictureOfDayPhoto(
+            id,
+            author,
+            title,
+            description,
+            date,
+            false,
+            imageSrc
+    )
+}
+
+fun PictureOfDayPhoto.isFavourite(): PictureOfDayPhoto {
+    return PictureOfDayPhoto(
+            id,
+            author,
+            title,
+            description,
+            date,
+            true,
+            imageSrc
+    )
 }

app/src/main/java/com/example/nasa_mars_api_service/ui/fragment/image_of_day_description/ImageOfDayFragment.kt

@@ -1,6 +1,28 @@
 package com.example.nasa_mars_api_service.ui.fragment.image_of_day_description
 
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.Toast
+import androidx.databinding.DataBindingUtil
 import androidx.fragment.app.Fragment
+import androidx.lifecycle.Observer
+import androidx.lifecycle.ViewModelProvider
+import androidx.navigation.fragment.findNavController
+import com.bumptech.glide.Glide
+import com.bumptech.glide.load.resource.drawable.DrawableTransitionOptions.withCrossFade
+import com.example.nasa_mars_api_service.R
+import com.example.nasa_mars_api_service.core.enums.PhotoTypes
+import com.example.nasa_mars_api_service.core.getBaseRequestOptions
+import com.example.nasa_mars_api_service.core.models.PictureOfDayPhoto
+import com.example.nasa_mars_api_service.database.db.MainDatabase
+import com.example.nasa_mars_api_service.databinding.FragmentImageOfDayDescriptionBinding
+import com.example.nasa_mars_api_service.network.api.MarsPhotosApi
+import com.example.nasa_mars_api_service.preferences.implementations.AppPreferences
+import com.example.nasa_mars_api_service.preferences.interfaces.BaseApplicationPreferences
+import com.example.nasa_mars_api_service.repository.implementations.MainRepository
+import com.example.nasa_mars_api_service.repository.interfaces.BaseRepository
 
 /**
  * Created by Matvey Popov.
@@ -9,5 +31,113 @@ import androidx.fragment.app.Fragment
  * Project: NASA-Mars-API-Service
  */
 class ImageOfDayFragment: Fragment() {
+    private lateinit var binding: FragmentImageOfDayDescriptionBinding
 
+    private lateinit var viewModel: ImageOfDayViewModel
+
+
+    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
+        binding = DataBindingUtil.inflate(inflater, R.layout.fragment_image_of_day_description, container, false)
+
+        getViewModel()
+        return binding.root
+    }
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+
+        setAllClickListeners()
+        setAllObservers()
+        getImageOfDay()
+    }
+
+    private fun getViewModel() {
+        val context = requireContext()
+        val preferences: BaseApplicationPreferences = AppPreferences.getInstance(context)
+        val dataBase = MainDatabase.getInstance(context)
+        val remoteSource = MarsPhotosApi.marsPhotosService
+        val repository: BaseRepository = MainRepository.getInstance(
+                dataBase.marsPhotoDao,
+                dataBase.favoritePhotoDao,
+                dataBase.pictureOfDayDao,
+                remoteSource,
+                preferences
+        )
+
+        val factory = ImageOfDayViewModelFactory(repository)
+        viewModel = ViewModelProvider(this, factory).get(ImageOfDayViewModel::class.java)
+    }
+
+    private fun setAllClickListeners() {
+        binding.appBar.setNavigationOnClickListener {
+            findNavController().popBackStack()
+        }
+
+        binding.imageView.setOnClickListener {
+            val args = ImageOfDayFragmentArgs.fromBundle(requireArguments())
+            val id = args.id
+            findNavController().navigate(ImageOfDayFragmentDirections.actionImageOfDayFragmentToPhotoViewFragment(id, PhotoTypes.PICTURE_OF_DAY))
+        }
+
+        binding.appBar.setOnMenuItemClickListener {
+            when(viewModel.imageOfDay.value?.isFavourite) {
+                true -> {
+                    viewModel.removeImageOfDayFromFavourites()
+                    true
+                }
+                false -> {
+                    viewModel.addImageOfDayToFavourites()
+                    true
+                }
+                else -> {
+                    false
+                }
+            }
+        }
+    }
+
+    private fun setAllObservers() {
+        viewModel.errorMessage.observe(viewLifecycleOwner, Observer { newMessage ->
+            if (newMessage != null) {
+                showErrorMessage(newMessage)
+            }
+        })
+
+        viewModel.imageOfDay.observe(viewLifecycleOwner, Observer { image ->
+            startLoadingImage(image)
+            setAllFields(image)
+        })
+    }
+
+    private fun startLoadingImage(image: PictureOfDayPhoto) {
+        val src = image.imageSrc
+        val options = getBaseRequestOptions()
+        Glide.with(binding.imageView)
+                .applyDefaultRequestOptions(options)
+                .load(src)
+                .transition(withCrossFade())
+                .into(binding.imageView)
+    }
+
+    private fun setAllFields(image: PictureOfDayPhoto) {
+        binding.authorTextView.text = image.author
+        binding.dateTextView.text = image.date
+        binding.titleTextView.text = image.title
+        binding.descriptionTextView.text = image.description
+        when(image.isFavourite) {
+            true -> binding.appBar.menu.getItem(0).setIcon(R.drawable.ic_star__filled)
+            false -> binding.appBar.menu.getItem(0).setIcon(R.drawable.ic_star)
+        }
+    }
+
+    private fun showErrorMessage(message: String) {
+        val context = requireContext()
+        Toast.makeText(context, "Something went wrong: $message", Toast.LENGTH_SHORT).show()
+    }
+
+    private fun getImageOfDay() {
+        val args = ImageOfDayFragmentArgs.fromBundle(requireArguments())
+        val id = args.id
+        viewModel.getImageOfDay(id)
+    }
 }

app/src/main/java/com/example/nasa_mars_api_service/ui/fragment/image_of_day_description/ImageOfDayViewModel.kt

@@ -0,0 +1,71 @@
+package com.example.nasa_mars_api_service.ui.fragment.image_of_day_description
+
+import androidx.lifecycle.LiveData
+import androidx.lifecycle.MutableLiveData
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import com.example.nasa_mars_api_service.core.isFavourite
+import com.example.nasa_mars_api_service.core.isNotFavourite
+import com.example.nasa_mars_api_service.core.models.PictureOfDayPhoto
+import com.example.nasa_mars_api_service.repository.interfaces.BaseRepository
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+import timber.log.Timber
+
+/**
+ * Created by Matvey Popov.
+ * Date: 12.01.2021
+ * Time: 14:07
+ * Project: NASA-Mars-API-Service
+ */
+class ImageOfDayViewModel(
+        private val repository: BaseRepository
+): ViewModel() {
+    private val _imageOfDay: MutableLiveData<PictureOfDayPhoto> = MutableLiveData()
+    val imageOfDay: LiveData<PictureOfDayPhoto>
+    get() = _imageOfDay
+
+    private val _errorMessage: MutableLiveData<String?> = MutableLiveData(null)
+    val errorMessage: LiveData<String?>
+    get() = _errorMessage
+
+
+    fun getImageOfDay(id: Int) {
+        viewModelScope.launch(Dispatchers.IO) {
+            try {
+                val result = repository.getPictureOfDayFromCash(id)
+                _imageOfDay.postValue(result)
+            }
+            catch (ex: Exception) {
+                Timber.e(ex)
+                _errorMessage.postValue(ex.message)
+            }
+        }
+    }
+
+    fun removeImageOfDayFromFavourites() {
+        viewModelScope.launch(Dispatchers.IO) {
+            try {
+                repository.deleteFavouritePhoto(imageOfDay.value!!)
+                _imageOfDay.postValue(imageOfDay.value!!.isNotFavourite())
+            }
+            catch (ex: Exception) {
+                Timber.e(ex)
+                _errorMessage.postValue(ex.message)
+            }
+        }
+    }
+
+    fun addImageOfDayToFavourites() {
+        viewModelScope.launch(Dispatchers.IO) {
+            try {
+                repository.addPhotoToFavourite(imageOfDay.value!!)
+                _imageOfDay.postValue(imageOfDay.value!!.isFavourite())
+            }
+            catch (ex: Exception) {
+                Timber.e(ex)
+                _errorMessage.postValue(ex.message)
+            }
+        }
+    }
+}

app/src/main/java/com/example/nasa_mars_api_service/ui/fragment/image_of_day_description/ImageOfDayViewModelFactory.kt

@@ -0,0 +1,26 @@
+package com.example.nasa_mars_api_service.ui.fragment.image_of_day_description
+
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.ViewModelProvider
+import com.example.nasa_mars_api_service.repository.interfaces.BaseRepository
+import com.example.nasa_mars_api_service.ui.fragment.ViewModelFactory
+
+/**
+ * Created by Matvey Popov.
+ * Date: 12.01.2021
+ * Time: 14:07
+ * Project: NASA-Mars-API-Service
+ */
+class ImageOfDayViewModelFactory(
+        private val repository: BaseRepository
+): ViewModelProvider.Factory {
+
+    @Suppress("UNCHECKED_CAST")
+    override fun <T : ViewModel?> create(modelClass: Class<T>): T {
+        if (modelClass.isAssignableFrom(ImageOfDayViewModel::class.java)) {
+            return ImageOfDayViewModel(repository) as T
+        }
+        throw IllegalArgumentException("Unexpected View Model to create: $modelClass")
+    }
+
+}

app/src/main/java/com/example/nasa_mars_api_service/ui/fragment/main_list/MainListFragment.kt

@@ -1,19 +1,15 @@
 package com.example.nasa_mars_api_service.ui.fragment.main_list
 
 import android.os.Bundle
-import android.util.Log
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
-import android.widget.LinearLayout
 import android.widget.Toast
 import androidx.databinding.DataBindingUtil
 import androidx.fragment.app.Fragment
 import androidx.lifecycle.Observer
 import androidx.lifecycle.ViewModelProvider
 import androidx.navigation.fragment.findNavController
-import androidx.recyclerview.widget.LinearLayoutManager
-import androidx.recyclerview.widget.RecyclerView
 import com.example.nasa_mars_api_service.R
 import com.example.nasa_mars_api_service.core.Variables
 import com.example.nasa_mars_api_service.core.enums.PhotoTypes

app/src/main/res/layout/fragment_image_of_day_description.xml

@@ -16,7 +16,7 @@
             app:liftOnScroll="true">
 
             <androidx.appcompat.widget.Toolbar
-                android:id="@+id/tool_bar"
+                android:id="@+id/app_bar"
                 android:layout_width="match_parent"
                 android:layout_height="@dimen/app_bar_height"