refactor(ScheduledStatus.java): add the scheduled status model back

mastodon/src/main/java/org/joinmastodon/android/model/ScheduledStatus.java

@@ -0,0 +1,93 @@
+package org.joinmastodon.android.model;
+
+import org.joinmastodon.android.api.ObjectValidationException;
+import org.joinmastodon.android.api.RequiredField;
+import org.joinmastodon.android.model.Poll.Option;
+import org.parceler.Parcel;
+
+import java.time.Instant;
+import java.time.temporal.ChronoUnit;
+import java.util.List;
+import java.util.stream.Collectors;
+
+@Parcel
+public class ScheduledStatus extends BaseModel implements DisplayItemsParent{
+    @RequiredField
+    public String id;
+    @RequiredField
+    public Instant scheduledAt;
+    @RequiredField
+    public Params params;
+    public List<Attachment> mediaAttachments;
+
+    @Override
+    public String getID() {
+        return id;
+    }
+
+    @Override
+    public void postprocess() throws ObjectValidationException {
+        super.postprocess();
+        if(mediaAttachments==null) mediaAttachments=List.of();
+        for(Attachment a:mediaAttachments)
+            a.postprocess();
+        if(params!=null) params.postprocess();
+    }
+
+    @Parcel
+    public static class Params extends BaseModel {
+        @RequiredField
+        public String text;
+        public String spoilerText;
+        @RequiredField
+        public StatusPrivacy visibility;
+        public long inReplyToId;
+        public ScheduledPoll poll;
+        public boolean sensitive;
+        public boolean withRateLimit;
+        public String language;
+        public String idempotency;
+        public String applicationId;
+        public List<String> mediaIds;
+        public ContentType contentType;
+
+        @Override
+        public void postprocess() throws ObjectValidationException {
+            super.postprocess();
+            if(poll!=null) poll.postprocess();
+        }
+    }
+
+    @Parcel
+    public static class ScheduledPoll extends BaseModel {
+        @RequiredField
+        public String expiresIn;
+        @RequiredField
+        public List<String> options;
+        public boolean multiple;
+        public boolean hideTotals;
+
+        public Poll toPoll() {
+            Poll p=new Poll();
+            p.voted=true;
+            p.emojis=List.of();
+            p.ownVotes=List.of();
+            p.multiple=multiple;
+            p.options=options.stream().map(Option::new).collect(Collectors.toList());
+			p.expiresAt=Instant.now().plus(Integer.parseInt(expiresIn)+1, ChronoUnit.SECONDS);
+            return p;
+        }
+    }
+
+    public Status toStatus() {
+        Status s=Status.ofFake(id, params.text, scheduledAt);
+        s.mediaAttachments=mediaAttachments;
+        s.inReplyToId=params.inReplyToId>0 ? ""+params.inReplyToId : null;
+        s.spoilerText=params.spoilerText;
+        s.visibility=params.visibility;
+        s.language=params.language;
+        s.sensitive=params.sensitive;
+        if(params.poll!=null) s.poll=params.poll.toPoll();
+        return s;
+    }
+}