Polls part 1 - displaying in timelines and voting (#1200)

* add entity classes

* change data models and add database migration

* add polls to StatusViewData

* show poll results

* add methods for vote handling

* add voting interface

* enable voting in TimelineFragment

* update polls immediately

* enable custom emojis for poll options

* enable voting from search fragment

* add voting layout to detailed statuses

* fix tests

* enable voting in ViewThreadFragment

* enable voting in ConversationsFragment

* small refactor for StatusBaseViewHolder

app/src/main/java/com/keylesspalace/tusky/components/conversation/ConversationEntity.kt

@@ -76,7 +76,8 @@ data class ConversationStatusEntity(
         val showingHiddenContent: Boolean,
         val expanded: Boolean,
         val collapsible: Boolean,
-        val collapsed: Boolean
+        val collapsed: Boolean,
+        val poll: Poll?
 
 ) {
     /** its necessary to override this because Spanned.equals does not work as expected  */
@@ -104,6 +105,7 @@ data class ConversationStatusEntity(
         if (expanded != other.expanded) return false
         if (collapsible != other.collapsible) return false
         if (collapsed != other.collapsed) return false
+        if (poll != other.poll) return false
 
         return true
     }
@@ -127,6 +129,7 @@ data class ConversationStatusEntity(
         result = 31 * result + expanded.hashCode()
         result = 31 * result + collapsible.hashCode()
         result = 31 * result + collapsed.hashCode()
+        result = 31 * result + poll.hashCode()
         return result
     }
 
@@ -151,7 +154,8 @@ data class ConversationStatusEntity(
                 attachments = attachments,
                 mentions = mentions,
                 application = null,
-                pinned = false)
+                pinned = false,
+                poll = poll)
     }
 }
 
@@ -172,7 +176,8 @@ fun Status.toEntity() =
                 false,
                 false,
                 !SmartLengthInputFilter.hasBadRatio(content, SmartLengthInputFilter.LENGTH_DEFAULT),
-                true
+                true,
+                poll
         )
 
 

app/src/main/java/com/keylesspalace/tusky/components/conversation/ConversationViewHolder.java

@@ -102,6 +102,8 @@ public class ConversationViewHolder extends StatusBaseViewHolder {
 
         setAvatars(conversation.getAccounts());
 
+        setupPoll(status.getPoll(), status.getEmojis(), listener);
+
     }
 
     private void setConversationName(List<ConversationAccountEntity> accounts) {

app/src/main/java/com/keylesspalace/tusky/components/conversation/ConversationsFragment.kt

@@ -18,9 +18,11 @@ package com.keylesspalace.tusky.components.conversation
 import android.content.Intent
 import android.os.Bundle
 import android.preference.PreferenceManager
+import android.util.Log
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import androidx.lifecycle.Lifecycle
 import androidx.lifecycle.Observer
 import androidx.lifecycle.ViewModelProviders
 import androidx.paging.PagedList
@@ -34,11 +36,15 @@ import com.keylesspalace.tusky.db.AppDatabase
 import com.keylesspalace.tusky.di.Injectable
 import com.keylesspalace.tusky.di.ViewModelFactory
 import com.keylesspalace.tusky.fragment.SFragment
+import com.keylesspalace.tusky.fragment.SearchFragment
 import com.keylesspalace.tusky.interfaces.ReselectableFragment
 import com.keylesspalace.tusky.interfaces.StatusActionListener
 import com.keylesspalace.tusky.util.NetworkState
 import com.keylesspalace.tusky.util.ThemeUtils
 import com.keylesspalace.tusky.util.hide
+import com.uber.autodispose.android.lifecycle.AndroidLifecycleScopeProvider
+import com.uber.autodispose.autoDisposable
+import io.reactivex.android.schedulers.AndroidSchedulers
 import kotlinx.android.synthetic.main.fragment_timeline.*
 import javax.inject.Inject
 
@@ -187,6 +193,10 @@ class ConversationsFragment : SFragment(), StatusActionListener, Injectable, Res
         jumpToTop()
     }
 
+    override fun onVoteInPoll(position: Int, choices: MutableList<Int>) {
+        viewModel.voteInPoll(position, choices)
+    }
+
     companion object {
         fun newInstance() = ConversationsFragment()
     }

app/src/main/java/com/keylesspalace/tusky/components/conversation/ConversationsViewModel.kt

@@ -67,6 +67,25 @@ class ConversationsViewModel @Inject constructor(
 
     }
 
+    fun voteInPoll(position: Int, choices: MutableList<Int>) {
+        conversations.value?.getOrNull(position)?.let { conversation ->
+            timelineCases.voteInPoll(conversation.lastStatus.toStatus(), choices)
+                    .flatMap { poll ->
+                        val newConversation = conversation.copy(
+                                lastStatus = conversation.lastStatus.copy(poll = poll)
+                        )
+                        Single.fromCallable {
+                            database.conversationDao().insert(newConversation)
+                        }
+                    }
+                    .subscribeOn(Schedulers.io())
+                    .doOnError { t -> Log.w("ConversationViewModel", "Failed to favourite conversation", t) }
+                    .subscribe()
+                    .addTo(disposables)
+        }
+
+    }
+
     fun expandHiddenStatus(expanded: Boolean, position: Int) {
         conversations.value?.getOrNull(position)?.let { conversation ->
             val newConversation = conversation.copy(