Canteen content can now be displayed

app/src/main/java/com/denizk0461/studip/fragment/CanteenFragment.kt

@@ -6,8 +6,10 @@ import android.view.View
 import android.view.ViewGroup
 import androidx.fragment.app.Fragment
 import androidx.fragment.app.viewModels
+import com.denizk0461.studip.adapter.CanteenOfferPageAdapter
 import com.denizk0461.studip.databinding.FragmentCanteenBinding
 import com.denizk0461.studip.viewmodel.CanteenViewModel
+import com.google.android.material.tabs.TabLayoutMediator
 
 class CanteenFragment : Fragment() {
 
@@ -17,6 +19,9 @@ class CanteenFragment : Fragment() {
     // onDestroyView.
     private val binding get() = _binding!!
 
+    private var dates = listOf<String>()
+
+    private lateinit var viewPagerAdapter: CanteenOfferPageAdapter
     private val viewModel: CanteenViewModel by viewModels()
 
     override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View {
@@ -27,7 +32,18 @@ class CanteenFragment : Fragment() {
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
 
+        viewPagerAdapter = CanteenOfferPageAdapter(listOf(), 0)
+        binding.viewPager.adapter = viewPagerAdapter
+
+        createTabLayoutMediator()
+
         viewModel.allOffers.observe(viewLifecycleOwner) { offers ->
+
+            dates = offers.map { it.date }.distinct()
+            createTabLayoutMediator()
+
+            viewPagerAdapter.setNewItems(offers, dates.size)
+
             // TODO this must be changed. if an exception is raised, then this will not fire
             binding.swipeRefreshLayout.isRefreshing = false
         }
@@ -39,6 +55,14 @@ class CanteenFragment : Fragment() {
         }
     }
 
+    private fun createTabLayoutMediator() {
+        if (dates.isNotEmpty()) {
+            TabLayoutMediator(binding.dayTabLayout, binding.viewPager) { tab, position ->
+                tab.text = dates[position]
+            }.attach()
+        }
+    }
+
     override fun onDestroyView() {
         super.onDestroyView()
         _binding = null

app/src/main/java/com/denizk0461/studip/fragment/EventFragment.kt

@@ -7,7 +7,7 @@ import android.view.View
 import android.view.ViewGroup
 import androidx.fragment.app.viewModels
 import com.denizk0461.studip.R
-import com.denizk0461.studip.adapter.StudIPEventAdapter
+import com.denizk0461.studip.adapter.StudIPEventItemAdapter
 import com.denizk0461.studip.adapter.StudIPEventPageAdapter
 import com.denizk0461.studip.databinding.FragmentEventBinding
 import com.denizk0461.studip.model.StudIPEvent
@@ -26,7 +26,6 @@ class EventFragment : Fragment() {
     // onDestroyView.
     private val binding get() = _binding!!
 
-    private lateinit var viewPagerAdapter: StudIPEventPageAdapter
     private var dayOfWeek: Int = 0
     private val dayStrings = listOf(
         R.string.monday,
@@ -36,6 +35,7 @@ class EventFragment : Fragment() {
         R.string.friday,
     )
 
+    private lateinit var viewPagerAdapter: StudIPEventPageAdapter
     private val viewModel: EventViewModel by viewModels()
 
     override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View {
@@ -54,7 +54,7 @@ class EventFragment : Fragment() {
             else -> 0
         }
 
-        viewPagerAdapter = StudIPEventPageAdapter(listOf(), object : StudIPEventAdapter.OnClickListener {
+        viewPagerAdapter = StudIPEventPageAdapter(listOf(), object : StudIPEventItemAdapter.OnClickListener {
             override fun onClick(event: StudIPEvent) {
 
             }