Added empty plan/food menu cards to replace the previous "No substitutions for you" presentation and gain feature parity with the iOS version

app/src/main/java/com/denizd/substitutionplan/data/HelperFunctions.kt

@@ -21,6 +21,7 @@ import androidx.core.content.ContextCompat.checkSelfPermission
 import androidx.fragment.app.FragmentActivity
 import com.denizd.substitutionplan.R
 import com.denizd.substitutionplan.models.Colour
+import com.denizd.substitutionplan.models.Food
 import com.denizd.substitutionplan.models.Substitution
 import java.util.*
 import java.io.File
@@ -80,6 +81,17 @@ internal object HelperFunctions {
 
     const val notificationChannelId = "general"
 
+    fun getEmptyGeneralSubstitution(context: Context) = arrayOf(
+            Substitution("", "", "", context.getString(R.string.plan_empty), "", "", "", "", 0, 0, 0)
+    ).toList()
+
+    fun getEmptyPersonalSubstitution(context: Context) =
+            Substitution("", "", "", context.getString(R.string.personal_plan_empty), "", "", "", "", 0, 0, 0)
+
+    fun getEmptyFoodMenu(context: Context) = arrayOf(
+            Food("\n${context.getString(R.string.food_menu_empty)}\n", 0)
+    ).toList()
+
     /**
      * This function returns an array that contains all data relevant to tinting individual entries
      * on the substitution plan

app/src/main/java/com/denizd/substitutionplan/fragments/FoodFragment.kt

@@ -12,14 +12,14 @@ import androidx.lifecycle.Observer
 import androidx.lifecycle.ViewModelProviders
 import androidx.recyclerview.widget.GridLayoutManager
 import com.denizd.substitutionplan.adapters.FoodAdapter
+import com.denizd.substitutionplan.data.HelperFunctions
 import com.denizd.substitutionplan.database.FoodViewModel
 import com.denizd.substitutionplan.databinding.FoodLayoutBinding
 import com.denizd.substitutionplan.models.Food
 
 internal class FoodFragment : Fragment() {
 
-    private val foodArrayList = ArrayList<Food>()
-    private val mAdapter = FoodAdapter(foodArrayList)
+    private val mAdapter = FoodAdapter(ArrayList())
     private lateinit var mContext: Context
     private lateinit var prefs: SharedPreferences
     private lateinit var foodViewModel: FoodViewModel
@@ -48,12 +48,12 @@ internal class FoodFragment : Fragment() {
 
         foodViewModel = ViewModelProviders.of(this).get(FoodViewModel::class.java)
         foodViewModel.allFoods?.observe(this, Observer<List<Food>> { foodList ->
-            foodArrayList.clear()
-            for (item in foodList) {
-                foodArrayList.add(item)
-            }
             binding.recyclerView.scheduleLayoutAnimation()
-            mAdapter.setFood(foodArrayList)
+            mAdapter.setFood(if (foodList.isEmpty()) {
+                HelperFunctions.getEmptyFoodMenu(mContext)
+            } else {
+                foodList
+            })
         })
 
         if (prefs.getBoolean("autoRefresh", false)) {

app/src/main/java/com/denizd/substitutionplan/fragments/GeneralPlanFragment.kt

@@ -3,6 +3,7 @@ package com.denizd.substitutionplan.fragments
 import android.os.Bundle
 import android.view.View
 import androidx.lifecycle.Observer
+import com.denizd.substitutionplan.data.HelperFunctions
 import com.denizd.substitutionplan.models.Substitution
 
 internal class GeneralPlanFragment : PlanFragment() {
@@ -11,7 +12,11 @@ internal class GeneralPlanFragment : PlanFragment() {
         super.onViewCreated(view, savedInstanceState)
 
         substitutionPlan?.observe(this, Observer<List<Substitution>> { substitutions ->
-            mAdapter.setSubst(substitutions)
+            mAdapter.setSubst(if (substitutions.isEmpty()) {
+                HelperFunctions.getEmptyGeneralSubstitution(mContext)
+            } else {
+                substitutions
+            })
             binding.recyclerView.scheduleLayoutAnimation()
         })
     }

app/src/main/java/com/denizd/substitutionplan/fragments/PersonalPlanFragment.kt

@@ -16,9 +16,6 @@ internal class PersonalPlanFragment : PlanFragment() {
 
         substitutionPlan?.observe(this, Observer<List<Substitution>> { substitutions ->
             planCardList.clear()
-            binding.emptyPlanEmoticon.visibility = View.GONE
-            binding.emptyPlanText.visibility = View.GONE
-            binding.emptyPlanLayout.visibility = View.GONE
             isPersonalPlanEmpty = true
             binding.recyclerView.visibility = View.VISIBLE
 
@@ -33,17 +30,11 @@ internal class PersonalPlanFragment : PlanFragment() {
                 planCardList.add(substItem)
             }
             isPersonalPlanEmpty = (planCardList.size == 1 && planCardList[0].date.substring(0, 3) == "psa") || planCardList.isEmpty()
+            if (isPersonalPlanEmpty) {
+                planCardList.add(HelperFunctions.getEmptyPersonalSubstitution(mContext))
+            }
             binding.recyclerView.scheduleLayoutAnimation()
             mAdapter.setSubst(planCardList)
-
-            handler.postDelayed({
-                if (isPersonalPlanEmpty) {
-                    binding.emptyPlanEmoticon.visibility = View.VISIBLE
-                    binding.emptyPlanText.visibility = View.VISIBLE
-                    binding.emptyPlanLayout.visibility = View.VISIBLE
-                    binding.emptyPlanLayout.scheduleLayoutAnimation()
-                }
-            }, 64)
         })
     }
 }

app/src/main/java/com/denizd/substitutionplan/fragments/PlanFragment.kt

@@ -24,7 +24,7 @@ internal open class PlanFragment : Fragment() {
     internal lateinit var mAdapter: SubstitutionAdapter
     internal var planCardList = ArrayList<Substitution>()
     private lateinit var substViewModel: SubstViewModel
-    private lateinit var mContext: Context
+    internal lateinit var mContext: Context
     internal lateinit var prefs: SharedPreferences
 
     internal var isPersonalPlanEmpty: Boolean = true