WIP filter conversations feature, functionality finished

Signed-off-by: Julius Linus julius.linus@nextcloud.com

Signed-off-by: Andy Scherzinger <info@andy-scherzinger.de>

app/src/main/java/com/nextcloud/talk/conversationlist/ConversationsListActivity.kt

@@ -190,6 +190,12 @@ class ConversationsListActivity :
     private var conversationsListBottomDialog: ConversationsListBottomDialog? = null
     private var searchHelper: MessageSearchHelper? = null
     private var searchViewDisposable: Disposable? = null
+    private var filterState =
+        mutableMapOf(
+            NONE to true,
+            MENTION to false,
+            UNREAD to false
+        )
 
     private val onBackPressedCallback = object : OnBackPressedCallback(true) {
         override fun handleOnBackPressed() {
@@ -760,7 +766,12 @@ class ConversationsListActivity :
         }
 
         binding.filterConversationsButton.setOnClickListener {
-            val newFragment: DialogFragment = FilterConversationFragment.newInstance(adapter!!)
+            val newFragment: DialogFragment = FilterConversationFragment.newInstance(
+                adapter!!,
+                conversationItems,
+                filterState,
+                this
+            )
             newFragment.show(supportFragmentManager, FilterConversationFragment.TAG)
         }
 
@@ -1462,6 +1473,12 @@ class ConversationsListActivity :
         showErrorDialog()
     }
 
+    fun updateFilterState(none: Boolean, mention: Boolean, unread: Boolean) {
+        filterState[NONE] = none
+        filterState[MENTION] = mention
+        filterState[UNREAD] = unread
+    }
+
     companion object {
         const val TAG = "ConvListController"
         const val UNREAD_BUBBLE_DELAY = 2500
@@ -1475,5 +1492,8 @@ class ConversationsListActivity :
         const val CLIENT_UPGRADE_GPLAY_LINK = "https://play.google.com/store/apps/details?id="
         const val HTTP_SERVICE_UNAVAILABLE = 503
         const val MAINTENANCE_MODE_HEADER_KEY = "X-Nextcloud-Maintenance-Mode"
+        const val NONE: String = "none"
+        const val MENTION: String = "mention"
+        const val UNREAD: String = "unread"
     }
 }

app/src/main/java/com/nextcloud/talk/ui/dialog/FilterConversationFragment.kt

@@ -2,7 +2,6 @@ package com.nextcloud.talk.ui.dialog
 
 import android.app.Dialog
 import android.os.Bundle
-import android.util.Log
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
@@ -10,9 +9,12 @@ import androidx.fragment.app.DialogFragment
 import autodagger.AutoInjector
 import com.google.android.material.dialog.MaterialAlertDialogBuilder
 import com.nextcloud.talk.R
+import com.nextcloud.talk.adapters.items.ConversationItem
 import com.nextcloud.talk.api.NcApi
 import com.nextcloud.talk.application.NextcloudTalkApplication
+import com.nextcloud.talk.conversationlist.ConversationsListActivity
 import com.nextcloud.talk.databinding.DialogFilterConversationBinding
+import com.nextcloud.talk.models.json.conversations.Conversation
 import com.nextcloud.talk.ui.theme.ViewThemeUtils
 import com.nextcloud.talk.users.UserManager
 import eu.davidea.flexibleadapter.FlexibleAdapter
@@ -20,11 +22,18 @@ import eu.davidea.flexibleadapter.items.AbstractFlexibleItem
 import javax.inject.Inject
 
 @AutoInjector(NextcloudTalkApplication::class)
-class FilterConversationFragment(adapter: FlexibleAdapter<AbstractFlexibleItem<*>>) : DialogFragment() {
+class FilterConversationFragment(
+    adapter: FlexibleAdapter<AbstractFlexibleItem<*>>,
+    currentConversations: MutableList<AbstractFlexibleItem<*>>,
+    savedFilterState: MutableMap<String, Boolean>,
+    conversationsListActivity: ConversationsListActivity
+) : DialogFragment() {
     lateinit var binding: DialogFilterConversationBinding
     private var dialogView: View? = null
     private var currentAdapter: FlexibleAdapter<AbstractFlexibleItem<*>> = adapter
-    private var filterState = mutableMapOf(NONE to true, MENTION to false, UNREAD to false)
+    private var currentItems = currentConversations
+    private var filterState = savedFilterState
+    private var conversationsList = conversationsListActivity
 
     @Inject
     lateinit var ncApi: NcApi
@@ -58,59 +67,107 @@ class FilterConversationFragment(adapter: FlexibleAdapter<AbstractFlexibleItem<*
                 binding.root,
             )
         }.forEach(viewThemeUtils.platform::colorViewBackground)
+        updateFilters()
     }
 
     private fun setUpListeners() {
         binding.noFilterButton.setOnClickListener {
-            Log.i(TAG, "no filter clicked")
             filterState[NONE] = !filterState[NONE]!!
-            if (filterState[NONE]!!) {
-                binding.noFilterButton.setBackgroundColor(resources.getColor(R.color.colorPrimary))
-            } else
-                binding.noFilterButton.setBackgroundColor(resources.getColor(R.color.grey_200))
-
             filterState[UNREAD] = false
-            binding.unreadFilterButton.setBackgroundColor(resources.getColor(R.color.grey_200))
             filterState[MENTION] = false
-            binding.mentionedFilterButton.setBackgroundColor(resources.getColor(R.color.grey_200))
+            updateFilters()
         }
 
         binding.unreadFilterButton.setOnClickListener {
-            Log.i(TAG, "unread filter clicked")
             filterState[UNREAD] = !filterState[UNREAD]!!
-            if (filterState[UNREAD]!!) {
-                binding.unreadFilterButton.setBackgroundColor(
-                    resources.getColor(
-                        R.color
-                            .colorPrimary
-                    )
-                )
-            } else binding.unreadFilterButton.setBackgroundColor(resources.getColor(R.color.grey_200))
+            changeUnreadFilter()
             filterState[NONE] = false
-            binding.noFilterButton.setBackgroundColor(resources.getColor(R.color.grey_200))
+            changeNoneFilter()
         }
 
         binding.mentionedFilterButton.setOnClickListener {
-            Log.i(TAG, "mentioned filter clicked")
             filterState[MENTION] = !filterState[MENTION]!!
-            if (filterState[MENTION]!!) {
-                binding.mentionedFilterButton.setBackgroundColor(resources.getColor(R.color.colorPrimary))
-            } else
-                binding.mentionedFilterButton.setBackgroundColor(resources.getColor(R.color.grey_200))
-
+            changeMentionFilter()
             filterState[NONE] = false
-            binding.noFilterButton.setBackgroundColor(resources.getColor(R.color.grey_200))
+            changeNoneFilter()
         }
 
         binding.filterButton.setOnClickListener {
-            Log.i(TAG, "submit clicked")
+            processSubmit()
             dismiss()
         }
     }
 
+    private fun updateFilters() {
+        changeNoneFilter()
+        changeUnreadFilter()
+        changeMentionFilter()
+    }
+
+    private fun changeMentionFilter() {
+        if (filterState[MENTION]!!) {
+            binding.mentionedFilterButton.setBackgroundColor(resources.getColor(R.color.colorPrimary))
+        } else
+            binding.mentionedFilterButton.setBackgroundColor(resources.getColor(R.color.grey_200))
+    }
+
+    private fun changeUnreadFilter() {
+        if (filterState[UNREAD]!!) {
+            binding.unreadFilterButton.setBackgroundColor(
+                resources.getColor(R.color.colorPrimary)
+            )
+        } else binding.unreadFilterButton.setBackgroundColor(resources.getColor(R.color.grey_200))
+    }
+
+    private fun changeNoneFilter() {
+        if (filterState[NONE]!!) {
+            binding.noFilterButton.setBackgroundColor(resources.getColor(R.color.colorPrimary))
+        } else
+            binding.noFilterButton.setBackgroundColor(resources.getColor(R.color.grey_200))
+    }
+
+    private fun processSubmit() {
+        var newItems: MutableList<AbstractFlexibleItem<*>> = ArrayList()
+        if (filterState[NONE]!!) {
+            currentAdapter.updateDataSet(currentItems, true)
+        } else {
+            val items = currentItems
+            for (i in items) {
+                val conversation = (i as ConversationItem).model
+                if (filter(conversation)) {
+                    newItems.add(i)
+                }
+            }
+            currentAdapter.updateDataSet(newItems, true)
+        }
+        conversationsList.updateFilterState(
+            filterState[NONE]!!,
+            filterState[MENTION]!!,
+            filterState[UNREAD]!!
+        )
+    }
+    private fun filter(conversation: Conversation): Boolean {
+        var result = true
+        for ((k, v) in filterState) {
+            if (k != NONE && v) {
+                when (k) {
+                    MENTION -> result = result && conversation.unreadMention
+                    UNREAD -> result = result && (conversation.unreadMessages > 0)
+                }
+            }
+        }
+
+        return result
+    }
+
     companion object {
         @JvmStatic
-        fun newInstance(adapter: FlexibleAdapter<AbstractFlexibleItem<*>>) = FilterConversationFragment(adapter)
+        fun newInstance(
+            adapter: FlexibleAdapter<AbstractFlexibleItem<*>>,
+            currentConversations: MutableList<AbstractFlexibleItem<*>>,
+            savedFilterState: MutableMap<String, Boolean>,
+            conversationsListActivity: ConversationsListActivity
+        ) = FilterConversationFragment(adapter, currentConversations, savedFilterState, conversationsListActivity)
         val TAG: String = FilterConversationFragment::class.java.simpleName
         const val NONE: String = "none"
         const val MENTION: String = "mention"

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

@@ -39,7 +39,6 @@
             android:layout_height="wrap_content"
             android:layout_margin="@dimen/standard_half_margin"
             android:padding="@dimen/standard_half_padding"
-            app:backgroundTint="@color/grey_200"
             android:text="@string/unread"/>
 
         <com.google.android.material.button.MaterialButton
@@ -48,7 +47,6 @@
             android:layout_height="wrap_content"
             android:layout_margin="@dimen/standard_half_margin"
             android:padding="@dimen/standard_half_padding"
-            app:backgroundTint="@color/grey_200"
             android:text="@string/mentioned"/>
 
     </com.google.android.flexbox.FlexboxLayout>