PollHistory : simplify so we only have one Node. Also enrich PollHistoryState.

features/poll/api/src/main/kotlin/io/element/android/features/poll/api/pollcontent/PollContentState.kt

@@ -20,6 +20,16 @@ import io.element.android.libraries.matrix.api.core.EventId
 import io.element.android.libraries.matrix.api.poll.PollKind
 import kotlinx.collections.immutable.ImmutableList
 
+/**
+ * UI model for a PollContent.
+ * @property eventId the event id of the poll.
+ * @property question the poll question.
+ * @property answerItems the list of answers.
+ * @property pollKind the kind of poll.
+ * @property isPollEditable whether the poll is editable.
+ * @property isPollEnded whether the poll is ended.
+ * @property isMine whether the poll has been created by me.
+ */
 data class PollContentState(
     val eventId: EventId?,
     val question: String,

features/poll/api/src/main/kotlin/io/element/android/features/poll/api/pollcontent/PollContentStateFixtures.kt

@@ -17,6 +17,8 @@
 package io.element.android.features.poll.api.pollcontent
 
 import io.element.android.libraries.matrix.api.poll.PollAnswer
+import io.element.android.libraries.matrix.api.poll.PollKind
+import kotlinx.collections.immutable.ImmutableList
 import kotlinx.collections.immutable.persistentListOf
 
 fun aPollQuestion() = "What type of food should we have at the party?"
@@ -79,3 +81,25 @@ fun aPollAnswerItem(
     votesCount = votesCount,
     percentage = percentage
 )
+
+fun aPollContentState(
+    isMine: Boolean = false,
+    isEnded: Boolean = false,
+    isDisclosed: Boolean = true,
+    hasVotes: Boolean = true,
+    question: String = aPollQuestion(),
+    pollKind: PollKind = PollKind.Disclosed,
+    answerItems: ImmutableList<PollAnswerItem> = aPollAnswerItemList(
+        isEnded = isEnded,
+        isDisclosed = isDisclosed,
+        hasVotes = hasVotes
+    ),
+) = PollContentState(
+    eventId = null,
+    question = question,
+    answerItems = answerItems,
+    pollKind = pollKind,
+    isPollEditable = isMine && !isEnded,
+    isPollEnded = isEnded,
+    isMine = isMine,
+)