FILTERING WORKS

app/src/main/java/com/denizk0461/studip/adapter/CanteenOfferPageAdapter.kt

@@ -1,14 +1,14 @@
 package com.denizk0461.studip.adapter
 
+import android.util.Log
 import android.view.LayoutInflater
 import android.view.ViewGroup
 import androidx.recyclerview.widget.LinearLayoutManager
 import androidx.recyclerview.widget.RecyclerView
 import com.denizk0461.studip.databinding.ItemScrollablePageBinding
 import com.denizk0461.studip.model.CanteenOffer
-import com.denizk0461.studip.model.DietaryPrefObject
 
-class CanteenOfferPageAdapter(private var offers: List<CanteenOffer>, private var daysCovered: Int, private var prefs: DietaryPrefObject) : RecyclerView.Adapter<CanteenOfferPageAdapter.CanteenOfferPageViewHolder>() {
+class CanteenOfferPageAdapter(private var offers: List<CanteenOffer>, private var daysCovered: Int, private var prefsRegex: Regex) : RecyclerView.Adapter<CanteenOfferPageAdapter.CanteenOfferPageViewHolder>() {
 
     class CanteenOfferPageViewHolder(val binding: ItemScrollablePageBinding) : RecyclerView.ViewHolder(binding.root)
 
@@ -30,8 +30,26 @@ class CanteenOfferPageAdapter(private var offers: List<CanteenOffer>, private va
             layoutManager = LinearLayoutManager(holder.binding.root.context, LinearLayoutManager.VERTICAL, false)
 
             // TODO second filter needs to be worked on; it shouldn't filter out something if two options are selected and only one is met
-            val filtered = offers.filter { it.dateId == position }.filter { it.dietaryPreferences == prefs.deconstruct() }
-            adapter = CanteenOfferItemAdapter(filtered) // TODO check if empty
+//            Log.d("eek!5", prefsRegex.toString())
+            val filteredForDate = offers.filter { it.dateId == position }
+
+            val filteredForPreferences = if (prefsRegex.toString() == "ffffffffff") {
+                // show all elements and skip filtering
+                filteredForDate
+            } else {
+                filteredForDate.filter {
+                    Log.d("eek!5", it.dietaryPreferences)
+                    prefsRegex.matches(it.dietaryPreferences)
+                }
+            }
+//                .filter { it.dietaryPreferences == prefs.deconstruct() }
+
+//            val filtered2 = filtered
+//            offers
+
+
+
+            adapter = CanteenOfferItemAdapter(filteredForPreferences) // TODO check if empty
             scheduleLayoutAnimation()
         }
     }
@@ -42,8 +60,11 @@ class CanteenOfferPageAdapter(private var offers: List<CanteenOffer>, private va
         notifyDataSetChanged()
     }
 
-    fun refreshView(prefs: DietaryPrefObject) {
-        this.prefs = prefs
+    fun refreshView(prefsRegex: Regex) {
+        this.prefsRegex = prefsRegex
         notifyDataSetChanged()
     }
+
+//    private fun constructRegex(pref: String): String =
+//        pref.replace('f', '.')
 }