fetch MAM messages

app/schemas/im.conversations.android.database.ConversationsDatabase/1.json

@@ -2,7 +2,7 @@
   "formatVersion": 1,
   "database": {
     "version": 1,
-    "identityHash": "1780dce1d6aca78c94a2c5c497d158c5",
+    "identityHash": "cc15c6de66482506c7f895ccaff971b4",
     "entities": [
       {
         "tableName": "account",
@@ -118,6 +118,86 @@
         ],
         "foreignKeys": []
       },
+      {
+        "tableName": "archive_page",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT, `accountId` INTEGER NOT NULL, `archive` TEXT NOT NULL, `type` TEXT NOT NULL, `start` TEXT NOT NULL, `end` TEXT NOT NULL, `reachedMaxPages` INTEGER NOT NULL, FOREIGN KEY(`accountId`) REFERENCES `account`(`id`) ON UPDATE NO ACTION ON DELETE CASCADE )",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": false
+          },
+          {
+            "fieldPath": "accountId",
+            "columnName": "accountId",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "archive",
+            "columnName": "archive",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "type",
+            "columnName": "type",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "start",
+            "columnName": "start",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "end",
+            "columnName": "end",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "reachedMaxPages",
+            "columnName": "reachedMaxPages",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "autoGenerate": true,
+          "columnNames": [
+            "id"
+          ]
+        },
+        "indices": [
+          {
+            "name": "index_archive_page_accountId_archive_type",
+            "unique": true,
+            "columnNames": [
+              "accountId",
+              "archive",
+              "type"
+            ],
+            "orders": [],
+            "createSql": "CREATE UNIQUE INDEX IF NOT EXISTS `index_archive_page_accountId_archive_type` ON `${TABLE_NAME}` (`accountId`, `archive`, `type`)"
+          }
+        ],
+        "foreignKeys": [
+          {
+            "table": "account",
+            "onDelete": "CASCADE",
+            "onUpdate": "NO ACTION",
+            "columns": [
+              "accountId"
+            ],
+            "referencedColumns": [
+              "id"
+            ]
+          }
+        ]
+      },
       {
         "tableName": "avatar_additional",
         "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT, `avatarId` INTEGER NOT NULL, `avatar_external_url` TEXT, `avatar_external_id` TEXT, `avatar_external_type` TEXT, `avatar_external_bytes` INTEGER NOT NULL, `avatar_external_height` INTEGER NOT NULL, `avatar_external_width` INTEGER NOT NULL, FOREIGN KEY(`avatarId`) REFERENCES `avatar`(`id`) ON UPDATE NO ACTION ON DELETE CASCADE )",
@@ -1709,15 +1789,6 @@
           ]
         },
         "indices": [
-          {
-            "name": "index_message_chatId",
-            "unique": false,
-            "columnNames": [
-              "chatId"
-            ],
-            "orders": [],
-            "createSql": "CREATE INDEX IF NOT EXISTS `index_message_chatId` ON `${TABLE_NAME}` (`chatId`)"
-          },
           {
             "name": "index_message_latestVersion",
             "unique": false,
@@ -1735,6 +1806,16 @@
             ],
             "orders": [],
             "createSql": "CREATE INDEX IF NOT EXISTS `index_message_inReplyToMessageEntityId` ON `${TABLE_NAME}` (`inReplyToMessageEntityId`)"
+          },
+          {
+            "name": "index_message_chatId_receivedAt",
+            "unique": false,
+            "columnNames": [
+              "chatId",
+              "receivedAt"
+            ],
+            "orders": [],
+            "createSql": "CREATE INDEX IF NOT EXISTS `index_message_chatId_receivedAt` ON `${TABLE_NAME}` (`chatId`, `receivedAt`)"
           }
         ],
         "foreignKeys": [
@@ -2600,7 +2681,7 @@
     "views": [],
     "setupQueries": [
       "CREATE TABLE IF NOT EXISTS room_master_table (id INTEGER PRIMARY KEY,identity_hash TEXT)",
-      "INSERT OR REPLACE INTO room_master_table (id,identity_hash) VALUES(42, '1780dce1d6aca78c94a2c5c497d158c5')"
+      "INSERT OR REPLACE INTO room_master_table (id,identity_hash) VALUES(42, 'cc15c6de66482506c7f895ccaff971b4')"
     ]
   }
 }

app/src/main/java/im/conversations/android/database/ConversationsDatabase.java

@@ -6,6 +6,7 @@ import androidx.room.Room;
 import androidx.room.RoomDatabase;
 import androidx.room.TypeConverters;
 import im.conversations.android.database.dao.AccountDao;
+import im.conversations.android.database.dao.ArchiveDao;
 import im.conversations.android.database.dao.AvatarDao;
 import im.conversations.android.database.dao.AxolotlDao;
 import im.conversations.android.database.dao.BlockingDao;
@@ -19,6 +20,7 @@ import im.conversations.android.database.dao.PresenceDao;
 import im.conversations.android.database.dao.RosterDao;
 import im.conversations.android.database.dao.ServiceRecordDao;
 import im.conversations.android.database.entity.AccountEntity;
+import im.conversations.android.database.entity.ArchivePageEntity;
 import im.conversations.android.database.entity.AvatarAdditionalEntity;
 import im.conversations.android.database.entity.AvatarEntity;
 import im.conversations.android.database.entity.AxolotlDeviceListEntity;
@@ -56,6 +58,7 @@ import im.conversations.android.database.entity.ServiceRecordCacheEntity;
 @Database(
         entities = {
             AccountEntity.class,
+            ArchivePageEntity.class,
             AvatarAdditionalEntity.class,
             AvatarEntity.class,
             AxolotlDeviceListEntity.class,
@@ -114,6 +117,8 @@ public abstract class ConversationsDatabase extends RoomDatabase {
 
     public abstract AccountDao accountDao();
 
+    public abstract ArchiveDao archiveDao();
+
     public abstract AvatarDao avatarDao();
 
     public abstract AxolotlDao axolotlDao();

app/src/main/java/im/conversations/android/database/dao/ArchiveDao.java

@@ -0,0 +1,174 @@
+package im.conversations.android.database.dao;
+
+import androidx.room.Dao;
+import androidx.room.Delete;
+import androidx.room.Query;
+import androidx.room.Transaction;
+import androidx.room.Upsert;
+import com.google.common.base.Preconditions;
+import com.google.common.collect.ImmutableList;
+import im.conversations.android.database.entity.ArchivePageEntity;
+import im.conversations.android.database.model.Account;
+import im.conversations.android.database.model.StanzaId;
+import im.conversations.android.xmpp.Range;
+import im.conversations.android.xmpp.manager.ArchiveManager;
+import java.util.List;
+import java.util.Objects;
+import org.jxmpp.jid.Jid;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+@Dao
+public abstract class ArchiveDao {
+
+    private static final Logger LOGGER = LoggerFactory.getLogger(ArchiveDao.class);
+
+    @Transaction
+    public List<Range> resetLivePage(final Account account, final Jid archive) {
+        final var page =
+                getPage(
+                        account.id,
+                        archive,
+                        ArchivePageEntity.Type.START,
+                        ArchivePageEntity.Type.MIDDLE);
+        final var livePage = getPage(account.id, archive, ArchivePageEntity.Type.LIVE);
+        if (page == null && livePage == null) {
+            LOGGER.info("Emitting initial query for {}", archive);
+            return ImmutableList.of(new Range(Range.Order.REVERSE, null));
+        }
+        final ImmutableList.Builder<Range> queryRangeBuilder = new ImmutableList.Builder<>();
+        final boolean gapLess = page != null && livePage != null && page.end.equals(livePage.start);
+        if (gapLess) {
+            LOGGER.info("Page and live page for {} were gap-less", archive);
+            page.end = livePage.end;
+            insert(page);
+            if (page.type != ArchivePageEntity.Type.START && !page.reachedMaxPages) {
+                queryRangeBuilder.add(new Range(Range.Order.REVERSE, page.start));
+            }
+            queryRangeBuilder.add(new Range(Range.Order.NORMAL, livePage.end));
+        } else if (page != null) {
+            LOGGER.info("Ignoring live page for {}", archive);
+            // this will simply ignore the last live page and overwrite it
+            if (page.type != ArchivePageEntity.Type.START && !page.reachedMaxPages) {
+                queryRangeBuilder.add(new Range(Range.Order.REVERSE, page.start));
+            }
+            queryRangeBuilder.add(new Range(Range.Order.NORMAL, page.end));
+        } else {
+            LOGGER.info("Converting live page into regular page for {}", archive);
+            insert(
+                    ArchivePageEntity.of(
+                            account,
+                            archive,
+                            ArchivePageEntity.Type.MIDDLE,
+                            livePage.start,
+                            livePage.end,
+                            false));
+            queryRangeBuilder.add(new Range(Range.Order.REVERSE, livePage.start));
+            queryRangeBuilder.add(new Range(Range.Order.NORMAL, livePage.end));
+        }
+        if (livePage != null) {
+            delete(livePage);
+        }
+        return queryRangeBuilder.build();
+    }
+
+    public void submitPage(
+            final Account account,
+            final Jid archive,
+            final Range range,
+            final ArchiveManager.QueryResult queryResult,
+            final boolean reachedMaxPagesReversing) {
+        if (reachedMaxPagesReversing) {
+            Preconditions.checkState(
+                    range.order == Range.Order.REVERSE,
+                    "reachedMaxPagesReversing can only be true when reversing");
+        }
+        final var isComplete = queryResult.isComplete;
+        final var page = queryResult.page;
+
+        final var existingPage =
+                getPage(
+                        account.id,
+                        archive,
+                        ArchivePageEntity.Type.START,
+                        ArchivePageEntity.Type.MIDDLE);
+        final boolean isStart = range.order == Range.Order.REVERSE && isComplete;
+        if (existingPage == null) {
+            insert(
+                    ArchivePageEntity.of(
+                            account,
+                            archive,
+                            isStart ? ArchivePageEntity.Type.START : ArchivePageEntity.Type.MIDDLE,
+                            page.first,
+                            page.last,
+                            reachedMaxPagesReversing));
+        } else {
+            if (range.order == Range.Order.REVERSE) {
+                Preconditions.checkState(
+                        Objects.equals(range.id, existingPage.start),
+                        "Reversing range did not match start of existing page");
+                existingPage.start = page.first;
+                existingPage.type =
+                        isStart ? ArchivePageEntity.Type.START : ArchivePageEntity.Type.MIDDLE;
+            } else if (range.order == Range.Order.NORMAL) {
+                Preconditions.checkState(
+                        Objects.equals(range.id, existingPage.end),
+                        "Normal range did not match end of existing page");
+                existingPage.end = page.last;
+            } else {
+                throw new IllegalStateException(String.format("Unknown order %s", range.order));
+            }
+            existingPage.reachedMaxPages = existingPage.reachedMaxPages || reachedMaxPagesReversing;
+            insert(existingPage);
+        }
+
+        final boolean lastIsLive =
+                (range.order == Range.Order.REVERSE && range.id == null)
+                        || (range.order == Range.Order.NORMAL && queryResult.isComplete);
+        if (lastIsLive) {
+            final var existingLivePage = getPage(account.id, archive, ArchivePageEntity.Type.LIVE);
+            if (existingLivePage != null) {
+                existingLivePage.start = page.last;
+            } else {
+                insert(
+                        ArchivePageEntity.of(
+                                account,
+                                archive,
+                                ArchivePageEntity.Type.LIVE,
+                                page.last,
+                                page.last,
+                                false));
+            }
+        }
+    }
+
+    public void setLivePageStanzaId(final Account account, final StanzaId stanzaId) {
+        LOGGER.info("set live page stanza id {}", stanzaId);
+        final var currentLivePage = getPage(account.id, stanzaId.by, ArchivePageEntity.Type.LIVE);
+        if (currentLivePage != null) {
+            currentLivePage.end = stanzaId.id;
+            insert(currentLivePage);
+        } else {
+            insert(
+                    ArchivePageEntity.of(
+                            account,
+                            stanzaId.by,
+                            ArchivePageEntity.Type.LIVE,
+                            stanzaId.id,
+                            stanzaId.id,
+                            false));
+        }
+    }
+
+    @Delete
+    protected abstract void delete(final ArchivePageEntity entity);
+
+    @Upsert
+    protected abstract void insert(final ArchivePageEntity entity);
+
+    @Query(
+            "SELECT * FROM archive_page WHERE accountId=:account AND archive=:archive AND type"
+                    + " IN(:type)")
+    protected abstract ArchivePageEntity getPage(
+            long account, Jid archive, ArchivePageEntity.Type... type);
+}

app/src/main/java/im/conversations/android/database/dao/ChatDao.java

@@ -197,24 +197,28 @@ public abstract class ChatDao {
             "SELECT c.id,c.accountId,c.address,c.type,m.sentAt,m.outgoing,m.latestVersion as"
                 + " version,m.toBare,m.toResource,m.fromBare,m.fromResource,(SELECT count(id) FROM"
                 + " message WHERE chatId=c.id) as unread,(SELECT name FROM roster WHERE"
-                + " roster.address=c.address) as rosterName,(SELECT nick FROM nick WHERE"
+                + " roster.accountId=c.accountId AND roster.address=c.address) as"
+                + " rosterName,(SELECT nick FROM nick WHERE nick.accountId=c.accountId AND"
                 + " nick.address=c.address) as nick,(SELECT identity.name FROM disco_item JOIN"
                 + " disco_identity identity ON disco_item.discoId=identity.discoId WHERE"
-                + " disco_item.address=c.address LIMIT 1) as discoIdentityName,(SELECT name FROM"
+                + " disco_item.accountId=c.accountId AND disco_item.address=c.address LIMIT 1) as"
-                + " bookmark WHERE bookmark.address=c.address) as bookmarkName,(CASE WHEN"
+                + " discoIdentityName,(SELECT name FROM bookmark WHERE"
-                + " c.type='MUC' THEN (SELECT vCardPhoto FROM presence WHERE address=c.address AND"
+                + " bookmark.accountId=c.accountId AND bookmark.address=c.address) as"
-                + " resource='') WHEN c.type='INDIVIDUAL' THEN (SELECT vCardPhoto FROM presence"
+                + " bookmarkName,(CASE WHEN c.type='MUC' THEN (SELECT vCardPhoto FROM presence"
-                + " WHERE address=c.address AND vCardPhoto NOT NULL LIMIT 1) ELSE NULL END) as"
+                + " WHERE presence.accountId=c.accountId AND address=c.address AND resource='')"
-                + " vCardPhoto,(SELECT thumb_id FROM avatar WHERE avatar.address=c.address) as"
+                + " WHEN c.type='INDIVIDUAL' THEN (SELECT vCardPhoto FROM presence WHERE"
-                + " avatar FROM CHAT c LEFT JOIN message m ON (c.id=m.chatId) LEFT OUTER JOIN"
+                + " accountId=c.accountId AND address=c.address AND vCardPhoto NOT NULL LIMIT 1)"
-                + " message m2 ON (c.id = m2.chatId AND (m.receivedAt < m2.receivedAt OR"
+                + " ELSE NULL END) as vCardPhoto,(SELECT thumb_id FROM avatar WHERE"
-                + " (m.receivedAt = m2.receivedAt AND m.id < m2.id))) WHERE (:accountId IS NULL OR"
+                + " avatar.accountId=c.accountId AND avatar.address=c.address) as avatar FROM CHAT"
+                + " c LEFT JOIN message m ON (m.id = (SELECT id FROM message WHERE chatId=c.id"
+                + " ORDER by receivedAt DESC LIMIT 1)) WHERE (:accountId IS NULL OR"
                 + " c.accountId=:accountId) AND (:groupId IS NULL OR (c.address IN(SELECT"
                 + " roster.address FROM roster JOIN roster_group ON"
-                + " roster.id=roster_group.rosterItemId WHERE roster_group.groupId=:groupId) OR"
+                + " roster.id=roster_group.rosterItemId WHERE roster.accountId=c.accountId AND"
-                + " c.address IN(SELECT address FROM bookmark JOIN bookmark_group ON"
+                + " roster_group.groupId=:groupId) OR c.address IN(SELECT address FROM bookmark"
-                + " bookmark.id=bookmark_group.bookmarkId WHERE bookmark_group.groupId=:groupId)))"
+                + " JOIN bookmark_group ON bookmark.id=bookmark_group.bookmarkId WHERE"
-                + " AND c.archived=0 AND m2.id IS NULL ORDER by m.receivedAt DESC")
+                + " bookmark.accountId=c.accountId AND bookmark_group.groupId=:groupId))) AND"
+                + " c.archived=0 ORDER by m.receivedAt DESC")
     public abstract PagingSource<Integer, ChatOverviewItem> getChatOverview(
             final Long accountId, final Long groupId);
 

app/src/main/java/im/conversations/android/database/dao/MessageDao.java

@@ -454,14 +454,14 @@ public abstract class MessageDao {
                 + " inReplyToMessageId=null,inReplyToStanzaId=:stanzaId,inReplyToMessageEntityId=:inReplyToMessageEntityId"
                 + " WHERE id=:id")
     protected abstract void setInReplyToStanzaId(
-            final long id, String stanzaId, long inReplyToMessageEntityId);
+            final long id, String stanzaId, Long inReplyToMessageEntityId);
 
     @Query(
             "UPDATE message SET"
                 + " inReplyToMessageId=:messageId,inReplyToStanzaId=null,inReplyToMessageEntityId=:inReplyToMessageEntityId"
                 + " WHERE id=:id")
     protected abstract void setInReplyToMessageId(
-            final long id, String messageId, long inReplyToMessageEntityId);
+            final long id, String messageId, Long inReplyToMessageEntityId);
 
     @Query(
             "SELECT id FROM message WHERE chatId=:chatId AND fromBare=:fromBare AND"

app/src/main/java/im/conversations/android/database/entity/ArchivePageEntity.java

@@ -0,0 +1,63 @@
+package im.conversations.android.database.entity;
+
+import androidx.annotation.NonNull;
+import androidx.room.Entity;
+import androidx.room.ForeignKey;
+import androidx.room.Index;
+import androidx.room.PrimaryKey;
+import im.conversations.android.database.model.Account;
+import org.jxmpp.jid.Jid;
+
+@Entity(
+        tableName = "archive_page",
+        foreignKeys =
+                @ForeignKey(
+                        entity = AccountEntity.class,
+                        parentColumns = {"id"},
+                        childColumns = {"accountId"},
+                        onDelete = ForeignKey.CASCADE),
+        indices = {
+            @Index(
+                    value = {"accountId", "archive", "type"},
+                    unique = true)
+        })
+public class ArchivePageEntity {
+
+    @PrimaryKey(autoGenerate = true)
+    public Long id;
+
+    @NonNull public Long accountId;
+
+    @NonNull public Jid archive;
+
+    @NonNull public Type type;
+
+    @NonNull public String start;
+
+    @NonNull public String end;
+
+    public boolean reachedMaxPages;
+
+    public static ArchivePageEntity of(
+            final Account account,
+            final Jid archive,
+            final Type type,
+            final String start,
+            final String end,
+            final boolean reachedMaxPages) {
+        final var entity = new ArchivePageEntity();
+        entity.accountId = account.id;
+        entity.archive = archive;
+        entity.type = type;
+        entity.start = start;
+        entity.end = end;
+        entity.reachedMaxPages = reachedMaxPages;
+        return entity;
+    }
+
+    public enum Type {
+        START,
+        MIDDLE,
+        LIVE
+    }
+}

app/src/main/java/im/conversations/android/database/entity/MessageEntity.java

@@ -32,9 +32,9 @@ import org.jxmpp.jid.parts.Resourcepart;
                     onDelete = ForeignKey.SET_NULL),
         },
         indices = {
-            @Index(value = "chatId"),
             @Index(value = "latestVersion"),
-            @Index("inReplyToMessageEntityId")
+            @Index("inReplyToMessageEntityId"),
+            @Index(value = {"chatId", "receivedAt"}),
         })
 public class MessageEntity {
 

app/src/main/java/im/conversations/android/database/model/AddressWithName.java

@@ -1,5 +1,7 @@
 package im.conversations.android.database.model;
 
+import androidx.annotation.NonNull;
+import com.google.common.base.MoreObjects;
 import com.google.common.base.Objects;
 import org.jxmpp.jid.Jid;
 
@@ -25,4 +27,13 @@ public class AddressWithName {
     public int hashCode() {
         return Objects.hashCode(address, name);
     }
+
+    @NonNull
+    @Override
+    public String toString() {
+        return MoreObjects.toStringHelper(this)
+                .add("address", address)
+                .add("name", name)
+                .toString();
+    }
 }

app/src/main/java/im/conversations/android/database/model/AvatarWithAccount.java

@@ -1,5 +1,7 @@
 package im.conversations.android.database.model;
 
+import androidx.annotation.NonNull;
+import com.google.common.base.MoreObjects;
 import com.google.common.base.Objects;
 
 public class AvatarWithAccount {
@@ -10,6 +12,17 @@ public class AvatarWithAccount {
     public final AvatarType avatarType;
     public final String hash;
 
+    @NonNull
+    @Override
+    public String toString() {
+        return MoreObjects.toStringHelper(this)
+                .add("account", account)
+                .add("addressWithName", addressWithName)
+                .add("avatarType", avatarType)
+                .add("hash", hash)
+                .toString();
+    }
+
     public AvatarWithAccount(
             long account,
             final AddressWithName addressWithName,

app/src/main/java/im/conversations/android/database/model/ChatOverviewItem.java

@@ -1,6 +1,7 @@
 package im.conversations.android.database.model;
 
 import androidx.room.Relation;
+import com.google.common.base.Objects;
 import com.google.common.collect.Iterables;
 import im.conversations.android.database.entity.MessageContentEntity;
 import java.time.Instant;
@@ -131,6 +132,56 @@ public class ChatOverviewItem {
         return value != null && !value.trim().isEmpty();
     }
 
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+        ChatOverviewItem that = (ChatOverviewItem) o;
+        return id == that.id
+                && accountId == that.accountId
+                && outgoing == that.outgoing
+                && version == that.version
+                && unread == that.unread
+                && Objects.equal(address, that.address)
+                && type == that.type
+                && Objects.equal(sentAt, that.sentAt)
+                && Objects.equal(toBare, that.toBare)
+                && Objects.equal(toResource, that.toResource)
+                && Objects.equal(fromBare, that.fromBare)
+                && Objects.equal(fromResource, that.fromResource)
+                && Objects.equal(rosterName, that.rosterName)
+                && Objects.equal(nick, that.nick)
+                && Objects.equal(discoIdentityName, that.discoIdentityName)
+                && Objects.equal(bookmarkName, that.bookmarkName)
+                && Objects.equal(vCardPhoto, that.vCardPhoto)
+                && Objects.equal(avatar, that.avatar)
+                && Objects.equal(contents, that.contents);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hashCode(
+                id,
+                accountId,
+                address,
+                type,
+                sentAt,
+                outgoing,
+                toBare,
+                toResource,
+                fromBare,
+                fromResource,
+                version,
+                rosterName,
+                nick,
+                discoIdentityName,
+                bookmarkName,
+                vCardPhoto,
+                avatar,
+                unread,
+                contents);
+    }
+
     public sealed interface Sender permits SenderYou, SenderName {}
 
     public static final class SenderYou implements Sender {}

app/src/main/java/im/conversations/android/database/model/MessageContent.java

@@ -1,5 +1,7 @@
 package im.conversations.android.database.model;
 
+import com.google.common.base.Objects;
+
 public class MessageContent {
 
     public final String language;
@@ -24,4 +26,20 @@ public class MessageContent {
     public static MessageContent file(final String url) {
         return new MessageContent(null, PartType.FILE, null, url);
     }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+        MessageContent that = (MessageContent) o;
+        return Objects.equal(language, that.language)
+                && type == that.type
+                && Objects.equal(body, that.body)
+                && Objects.equal(url, that.url);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hashCode(language, type, body, url);
+    }
 }

app/src/main/java/im/conversations/android/database/model/StanzaId.java

@@ -0,0 +1,23 @@
+package im.conversations.android.database.model;
+
+import com.google.common.base.MoreObjects;
+import com.google.common.base.Preconditions;
+import org.jxmpp.jid.Jid;
+
+public class StanzaId {
+
+    public final String id;
+    public final Jid by;
+
+    public StanzaId(String id, Jid by) {
+        Preconditions.checkNotNull(id);
+        Preconditions.checkNotNull(by);
+        this.id = id;
+        this.by = by;
+    }
+
+    @Override
+    public String toString() {
+        return MoreObjects.toStringHelper(this).add("id", id).add("by", by).toString();
+    }
+}

app/src/main/java/im/conversations/android/transformer/TransformationFactory.java

@@ -1,6 +1,7 @@
 package im.conversations.android.transformer;
 
 import android.content.Context;
+import im.conversations.android.database.model.StanzaId;
 import im.conversations.android.xml.Namespace;
 import im.conversations.android.xmpp.Entity;
 import im.conversations.android.xmpp.XmppConnection;
@@ -17,8 +18,8 @@ public class TransformationFactory extends XmppConnection.Delegate {
         super(context, connection);
     }
 
-    public MessageTransformation create(final Message message, final String stanzaId) {
+    public MessageTransformation create(final Message message, final StanzaId stanzaId) {
-        return create(message, stanzaId, Instant.now());
+        return create(message, stanzaId == null ? null : stanzaId.id, Instant.now());
     }
 
     public MessageTransformation create(
@@ -49,7 +50,7 @@ public class TransformationFactory extends XmppConnection.Delegate {
         if (message.getType() == Message.Type.GROUPCHAT) {
             senderIdentity = null; // TODO discover real jid
         } else {
-            senderIdentity = from == null ? null : from.asBareJid();
+            senderIdentity = from == null ? boundAddress : from.asBareJid();
         }
         return MessageTransformation.of(
                 message, receivedAt, remote, stanzaId, senderIdentity, occupantId);

app/src/main/java/im/conversations/android/transformer/Transformer.java

@@ -1,7 +1,9 @@
 package im.conversations.android.transformer;
 
 import android.content.Context;
+import androidx.annotation.VisibleForTesting;
 import com.google.common.base.Preconditions;
+import com.google.common.collect.ImmutableList;
 import im.conversations.android.axolotl.AxolotlDecryptionException;
 import im.conversations.android.axolotl.AxolotlService;
 import im.conversations.android.database.ConversationsDatabase;
@@ -10,6 +12,9 @@ import im.conversations.android.database.model.ChatIdentifier;
 import im.conversations.android.database.model.MessageIdentifier;
 import im.conversations.android.database.model.MessageState;
 import im.conversations.android.database.model.Modification;
+import im.conversations.android.database.model.StanzaId;
+import im.conversations.android.xmpp.Range;
+import im.conversations.android.xmpp.manager.ArchiveManager;
 import im.conversations.android.xmpp.model.DeliveryReceipt;
 import im.conversations.android.xmpp.model.axolotl.Encrypted;
 import im.conversations.android.xmpp.model.correction.Replace;
@@ -21,6 +26,7 @@ import im.conversations.android.xmpp.model.retract.Retract;
 import im.conversations.android.xmpp.model.stanza.Message;
 import java.util.Arrays;
 import java.util.Objects;
+import org.jxmpp.jid.Jid;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -53,15 +59,45 @@ public class Transformer {
         this.axolotlService = axolotlService;
     }
 
+    @VisibleForTesting
     public boolean transform(final MessageTransformation transformation) {
+        return this.transform(transformation, null);
+    }
+
+    public boolean transform(final MessageTransformation transformation, final StanzaId stanzaId) {
         return database.runInTransaction(
                 () -> {
                     final var sendDeliveryReceipts = transform(database, transformation);
                     axolotlService.executePostDecryptionHook();
+                    if (stanzaId != null) {
+                        database.archiveDao().setLivePageStanzaId(account, stanzaId);
+                    }
                     return sendDeliveryReceipts;
                 });
     }
 
+    public void transform(
+            ImmutableList<MessageTransformation> messageTransformations,
+            final Jid archive,
+            Range queryRange,
+            ArchiveManager.QueryResult queryResult,
+            final boolean reachedMaxPagesReversing) {
+        database.runInTransaction(
+                () -> {
+                    for (final MessageTransformation transformation : messageTransformations) {
+                        transform(database, transformation);
+                    }
+                    database.archiveDao()
+                            .submitPage(
+                                    account,
+                                    archive,
+                                    queryRange,
+                                    queryResult,
+                                    reachedMaxPagesReversing);
+                    axolotlService.executePostDecryptionHook();
+                });
+    }
+
     /**
      * @param transformation
      * @return returns true if there is something we want to send a delivery receipt for. Basically

app/src/main/java/im/conversations/android/ui/adapter/ChatOverviewComparator.java

@@ -20,6 +20,10 @@ public class ChatOverviewComparator extends DiffUtil.ItemCallback<ChatOverviewIt
     @Override
     public boolean areContentsTheSame(
             @NonNull ChatOverviewItem oldItem, @NonNull ChatOverviewItem newItem) {
-        return false;
+        final boolean areContentsTheSame = oldItem.equals(newItem);
+        if (!areContentsTheSame) {
+            LOGGER.info("chat {} got modified", oldItem.id);
+        }
+        return areContentsTheSame;
     }
 }

app/src/main/java/im/conversations/android/xml/Namespace.java

@@ -88,6 +88,7 @@ public final class Namespace {
     public static final String REGISTER = "jabber:iq:register";
     public static final String REGISTER_STREAM_FEATURE = "http://jabber.org/features/iq-register";
     public static final String REPLY = "urn:xmpp:reply:0";
+    public static final String RESULT_SET_MANAGEMENT = "http://jabber.org/protocol/rsm";
     public static final String RETRACT = "urn:xmpp:message-retract:0";
     public static final String ROSTER = "jabber:iq:roster";
     public static final String SASL = "urn:ietf:params:xml:ns:xmpp-sasl";

app/src/main/java/im/conversations/android/xmpp/Page.java

@@ -0,0 +1,31 @@
+package im.conversations.android.xmpp;
+
+import androidx.annotation.NonNull;
+import com.google.common.base.MoreObjects;
+
+public class Page {
+
+    public final String first;
+    public final String last;
+    public final Integer count;
+
+    public Page(String first, String last, Integer count) {
+        this.first = first;
+        this.last = last;
+        this.count = count;
+    }
+
+    public static Page emptyWithCount(final String id, final Integer count) {
+        return new Page(id, id, count);
+    }
+
+    @NonNull
+    @Override
+    public String toString() {
+        return MoreObjects.toStringHelper(this)
+                .add("first", first)
+                .add("last", last)
+                .add("count", count)
+                .toString();
+    }
+}

app/src/main/java/im/conversations/android/xmpp/Range.java

@@ -0,0 +1,26 @@
+package im.conversations.android.xmpp;
+
+import androidx.annotation.NonNull;
+import com.google.common.base.MoreObjects;
+
+public class Range {
+
+    public final Order order;
+    public final String id;
+
+    public Range(final Order order, final String id) {
+        this.order = order;
+        this.id = id;
+    }
+
+    @NonNull
+    @Override
+    public String toString() {
+        return MoreObjects.toStringHelper(this).add("order", order).add("id", id).toString();
+    }
+
+    public enum Order {
+        NORMAL,
+        REVERSE
+    }
+}

app/src/main/java/im/conversations/android/xmpp/manager/ArchiveManager.java

@@ -1,21 +1,50 @@
 package im.conversations.android.xmpp.manager;
 
 import android.content.Context;
+import androidx.annotation.NonNull;
+import com.google.common.base.MoreObjects;
+import com.google.common.base.Objects;
 import com.google.common.base.Preconditions;
+import com.google.common.base.Strings;
+import com.google.common.collect.ImmutableList;
+import com.google.common.collect.Lists;
+import com.google.common.util.concurrent.FutureCallback;
+import com.google.common.util.concurrent.Futures;
+import com.google.common.util.concurrent.ListenableFuture;
+import com.google.common.util.concurrent.MoreExecutors;
+import im.conversations.android.IDs;
+import im.conversations.android.database.ConversationsDatabase;
+import im.conversations.android.transformer.MessageTransformation;
 import im.conversations.android.transformer.TransformationFactory;
+import im.conversations.android.transformer.Transformer;
+import im.conversations.android.xmpp.Page;
+import im.conversations.android.xmpp.Range;
 import im.conversations.android.xmpp.XmppConnection;
 import im.conversations.android.xmpp.model.delay.Delay;
+import im.conversations.android.xmpp.model.mam.Fin;
+import im.conversations.android.xmpp.model.mam.Query;
 import im.conversations.android.xmpp.model.mam.Result;
+import im.conversations.android.xmpp.model.rsm.Set;
+import im.conversations.android.xmpp.model.stanza.Iq;
 import im.conversations.android.xmpp.model.stanza.Message;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import org.jxmpp.jid.Jid;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 public class ArchiveManager extends AbstractManager {
 
+    private static final int MAX_ITEMS_PER_PAGE = 50;
+    private static final int MAX_PAGES_REVERSING = 20;
+
     private static final Logger LOGGER = LoggerFactory.getLogger(ArchiveManager.class);
 
     private final TransformationFactory transformationFactory;
 
+    private final Map<QueryId, RunningQuery> runningQueryMap = new HashMap<>();
+
     public ArchiveManager(Context context, XmppConnection connection) {
         super(context, connection);
         this.transformationFactory = new TransformationFactory(context, connection);
@@ -26,9 +55,9 @@ public class ArchiveManager extends AbstractManager {
         Preconditions.checkArgument(result != null, "The message needs to contain a MAM result");
         final var from = message.getFrom();
         final var stanzaId = result.getId();
-        final var queryId = result.getQueryId();
+        final var id = result.getQueryId();
         final var forwarded = result.getForwarded();
-        if (forwarded == null || queryId == null || stanzaId == null) {
+        if (forwarded == null || id == null || stanzaId == null) {
             LOGGER.info("Received invalid MAM result from {} ", from);
             return;
         }
@@ -39,10 +68,263 @@ public class ArchiveManager extends AbstractManager {
             LOGGER.info("MAM result from {} is missing message or receivedAt (delay)", from);
             return;
         }
-        // TODO get query based on queryId and from
+        final Jid archive = from == null ? connection.getBoundAddress().asBareJid() : from;
+        final RunningQuery runningQuery;
+        synchronized (this.runningQueryMap) {
+            runningQuery = this.runningQueryMap.get(new QueryId(archive, id));
+        }
+        if (runningQuery == null) {
+            LOGGER.info("Did not find running query for {}/{}", archive, id);
+            return;
+        }
 
-        final var transformation = this.transformationFactory.create(message, stanzaId, receivedAt);
+        final var transformation =
+                this.transformationFactory.create(forwardedMessage, stanzaId, receivedAt);
+        // TODO only when there is something to transform
+        runningQuery.addTransformation(transformation);
+    }
 
-        // TODO create transformation; add transformation to Query.Transformer
+    private ListenableFuture<Metadata> fetchMetadata(final Jid archive) {
+        final var iq = new Iq(Iq.Type.GET);
+        iq.setTo(archive);
+        iq.addExtension(new im.conversations.android.xmpp.model.mam.Metadata());
+        final var metadataFuture = connection.sendIqPacket(iq);
+        return Futures.transform(
+                metadataFuture,
+                result -> {
+                    final var metadata =
+                            result.getExtension(
+                                    im.conversations.android.xmpp.model.mam.Metadata.class);
+                    if (metadata == null) {
+                        throw new IllegalStateException("result did not contain metadata");
+                    }
+                    final var start = metadata.getStart();
+                    final var end = metadata.getEnd();
+                    if (start == null && end == null) {
+                        return new Metadata(null, null);
+                    }
+                    final var startId = start == null ? null : start.getId();
+                    final var endId = end == null ? null : end.getId();
+                    if (Strings.isNullOrEmpty(startId) || Strings.isNullOrEmpty(endId)) {
+                        throw new IllegalStateException("metadata had empty start or end id");
+                    }
+                    return new Metadata(startId, endId);
+                },
+                MoreExecutors.directExecutor());
+    }
+
+    public void query(final Jid archive, final List<Range> queryRanges) {
+        final var future = queryAsFuture(archive, queryRanges);
+        Futures.addCallback(
+                future,
+                new FutureCallback<>() {
+                    @Override
+                    public void onSuccess(List<Stats> stats) {
+                        LOGGER.info("Successfully queried {} {}", archive, stats);
+                    }
+
+                    @Override
+                    public void onFailure(@NonNull Throwable throwable) {
+                        LOGGER.warn("Something went wrong querying {}", archive, throwable);
+                    }
+                },
+                MoreExecutors.directExecutor());
+    }
+
+    private ListenableFuture<List<Stats>> queryAsFuture(
+            final Jid archive, final List<Range> queryRanges) {
+        final var queryFutures = Lists.transform(queryRanges, qr -> queryAsFuture(archive, qr));
+        return Futures.allAsList(queryFutures);
+    }
+
+    private ListenableFuture<Stats> queryAsFuture(final Jid archive, final Range queryRange) {
+        return queryAsFuture(archive, queryRange, Stats.begin());
+    }
+
+    private ListenableFuture<Stats> queryAsFuture(
+            final Jid archive, final Range queryRange, final Stats stats) {
+        final var queryId = new QueryId(archive, IDs.medium());
+        final var runningQuery = new RunningQuery(queryRange);
+        final var iq = new Iq(Iq.Type.SET);
+        iq.setTo(archive);
+        final var query = iq.addExtension(new Query());
+        query.setQueryId(queryId.id);
+        query.addExtension(Set.of(queryRange, MAX_ITEMS_PER_PAGE));
+        synchronized (this.runningQueryMap) {
+            this.runningQueryMap.put(queryId, runningQuery);
+        }
+        final var queryResultFuture = connection.sendIqPacket(iq);
+        return Futures.transformAsync(
+                queryResultFuture,
+                result -> {
+                    final var fin = result.getExtension(Fin.class);
+                    if (fin == null) {
+                        throw new IllegalStateException("Iq response is missing fin element");
+                    }
+                    final var set = fin.getExtension(Set.class);
+                    if (set == null) {
+                        throw new IllegalStateException("Fin element is missing set element");
+                    }
+                    final QueryResult queryResult;
+                    if (set.isEmpty()) {
+                        // we fake an empty page here because on catch up queries we the live page
+                        // to be properly reconfigured
+                        queryResult =
+                                new QueryResult(
+                                        true, Page.emptyWithCount(queryRange.id, set.getCount()));
+                    } else {
+                        queryResult = new QueryResult(fin.isComplete(), set.asPage());
+                    }
+                    return processQueryResponse(queryId, queryResult, stats);
+                },
+                MoreExecutors.directExecutor());
+    }
+
+    private ListenableFuture<Stats> processQueryResponse(
+            final QueryId queryId, final QueryResult queryResult, final Stats existingStats) {
+        final RunningQuery runningQuery;
+        synchronized (this.runningQueryMap) {
+            runningQuery = this.runningQueryMap.remove(queryId);
+        }
+        if (runningQuery == null) {
+            return Futures.immediateFailedFuture(
+                    new IllegalStateException(
+                            String.format(
+                                    "Could not find running query for %s/%s",
+                                    queryId.archive, queryId.id)));
+        }
+        final var messageTransformations = runningQuery.transformationBuilder.build();
+        final var stats = existingStats.countPage(messageTransformations.size());
+        final boolean reachedMaxPagesReversing =
+                runningQuery.queryRange.order == Range.Order.REVERSE
+                        && stats.pages >= MAX_PAGES_REVERSING;
+        final var database = ConversationsDatabase.getInstance(context);
+        final var axolotlService = connection.getManager(AxolotlManager.class).getAxolotlService();
+        final var transformer = new Transformer(getAccount(), database, axolotlService);
+
+        transformer.transform(
+                messageTransformations,
+                queryId.archive,
+                runningQuery.queryRange,
+                queryResult,
+                reachedMaxPagesReversing);
+
+        if (queryResult.isComplete || reachedMaxPagesReversing) {
+            return Futures.immediateFuture(stats);
+        } else {
+            final Range range = queryResult.nextPage(runningQuery.queryRange.order);
+            return queryAsFuture(queryId.archive, range, stats);
+        }
+    }
+
+    public static final class Metadata {
+        public final String start;
+        public final String end;
+
+        public Metadata(String start, String end) {
+            this.start = start;
+            this.end = end;
+        }
+
+        @Override
+        @NonNull
+        public String toString() {
+            return MoreObjects.toStringHelper(this).add("start", start).add("end", end).toString();
+        }
+    }
+
+    public final class QueryResult {
+        public final boolean isComplete;
+        public final Page page;
+
+        public QueryResult(boolean isComplete, Page page) {
+            this.isComplete = isComplete;
+            this.page = page;
+        }
+
+        public Range nextPage(final Range.Order order) {
+            if (isComplete) {
+                throw new IllegalStateException("Query was complete. There is no next page");
+            }
+            if (order == Range.Order.NORMAL) {
+                return new Range(Range.Order.NORMAL, page.last);
+            } else if (order == Range.Order.REVERSE) {
+                return new Range(Range.Order.REVERSE, page.first);
+            } else {
+                throw new IllegalStateException("Unknown order");
+            }
+        }
+
+        @NonNull
+        @Override
+        public String toString() {
+            return MoreObjects.toStringHelper(this)
+                    .add("isComplete", isComplete)
+                    .add("page", page)
+                    .toString();
+        }
+    }
+
+    public static final class RunningQuery {
+        public final Range queryRange;
+        private final ImmutableList.Builder<MessageTransformation> transformationBuilder =
+                new ImmutableList.Builder<>();
+
+        public RunningQuery(final Range queryRange) {
+            this.queryRange = queryRange;
+        }
+
+        public void addTransformation(final MessageTransformation messageTransformation) {
+            this.transformationBuilder.add(messageTransformation);
+        }
+    }
+
+    public static final class QueryId {
+        public final Jid archive;
+        public final String id;
+
+        public QueryId(Jid archive, String id) {
+            this.archive = archive;
+            this.id = id;
+        }
+
+        @Override
+        public boolean equals(Object o) {
+            if (this == o) return true;
+            if (o == null || getClass() != o.getClass()) return false;
+            QueryId queryId = (QueryId) o;
+            return Objects.equal(archive, queryId.archive) && Objects.equal(id, queryId.id);
+        }
+
+        @Override
+        public int hashCode() {
+            return Objects.hashCode(archive, id);
+        }
+    }
+
+    public static class Stats {
+        public final int pages;
+        public final int transformations;
+
+        private Stats(int pages, int transformations) {
+            this.pages = pages;
+            this.transformations = transformations;
+        }
+
+        public static Stats begin() {
+            return new Stats(0, 0);
+        }
+
+        public Stats countPage(final int transformations) {
+            return new Stats(this.pages + 1, this.transformations + transformations);
+        }
+
+        @Override
+        public String toString() {
+            return MoreObjects.toStringHelper(this)
+                    .add("pages", pages)
+                    .add("transformations", transformations)
+                    .toString();
+        }
     }
 }

app/src/main/java/im/conversations/android/xmpp/manager/JingleConnectionManager.java

@@ -243,9 +243,9 @@ public class JingleConnectionManager extends AbstractManager {
 
     public void handle(final Message message) {
         final String id = message.getId();
-        final String stanzaId = getManager(StanzaIdManager.class).getStanzaId(message);
+        final var stanzaId = getManager(StanzaIdManager.class).getStanzaId(message);
         final JingleMessage jingleMessage = message.getExtension(JingleMessage.class);
-        this.deliverMessage(message.getTo(), message.getFrom(), jingleMessage, id, stanzaId);
+        this.deliverMessage(message.getTo(), message.getFrom(), jingleMessage, id, stanzaId.id);
     }
 
     private void deliverMessage(

app/src/main/java/im/conversations/android/xmpp/manager/MultiUserChatManager.java

@@ -14,6 +14,7 @@ import im.conversations.android.database.model.MucWithNick;
 import im.conversations.android.xml.Namespace;
 import im.conversations.android.xmpp.Entity;
 import im.conversations.android.xmpp.IqErrorException;
+import im.conversations.android.xmpp.Range;
 import im.conversations.android.xmpp.XmppConnection;
 import im.conversations.android.xmpp.model.disco.info.InfoQuery;
 import im.conversations.android.xmpp.model.error.Condition;
@@ -65,7 +66,12 @@ public class MultiUserChatManager extends AbstractManager {
     private void enterExisting(final MucWithNick mucWithNick, final InfoQuery infoQuery) {
         if (infoQuery.hasFeature(Namespace.MUC)
                 && infoQuery.hasIdentityWithCategory("conference")) {
+            // TODO check if server has MAM support
+            final var archive = mucWithNick.address;
+            final List<Range> queryRanges =
+                    getDatabase().archiveDao().resetLivePage(getAccount(), archive);
             sendJoinPresence(mucWithNick);
+            getManager(ArchiveManager.class).query(archive, queryRanges);
         } else {
             getDatabase().chatDao().setMucState(mucWithNick.chatId, MucState.NOT_A_MUC);
         }

app/src/main/java/im/conversations/android/xmpp/manager/StanzaIdManager.java

@@ -1,11 +1,11 @@
 package im.conversations.android.xmpp.manager;
 
 import android.content.Context;
+import im.conversations.android.database.model.StanzaId;
 import im.conversations.android.xml.Namespace;
 import im.conversations.android.xmpp.Entity;
 import im.conversations.android.xmpp.XmppConnection;
 import im.conversations.android.xmpp.model.stanza.Message;
-import im.conversations.android.xmpp.model.unique.StanzaId;
 import org.jxmpp.jid.Jid;
 
 public class StanzaIdManager extends AbstractManager {
@@ -14,7 +14,7 @@ public class StanzaIdManager extends AbstractManager {
         super(context, connection);
     }
 
-    public String getStanzaId(final Message message) {
+    public StanzaId getStanzaId(final Message message) {
         final Jid by;
         if (message.getType() == Message.Type.GROUPCHAT) {
             final var from = message.getFrom();
@@ -25,7 +25,7 @@ public class StanzaIdManager extends AbstractManager {
         } else {
             by = connection.getBoundAddress().asBareJid();
         }
-        if (message.hasExtension(StanzaId.class)
+        if (message.hasExtension(im.conversations.android.xmpp.model.unique.StanzaId.class)
                 && getManager(DiscoManager.class)
                         .hasFeature(Entity.discoItem(by), Namespace.STANZA_IDS)) {
             return getStanzaIdBy(message, by);
@@ -34,11 +34,12 @@ public class StanzaIdManager extends AbstractManager {
         }
     }
 
-    private static String getStanzaIdBy(final Message message, final Jid by) {
+    private static StanzaId getStanzaIdBy(final Message message, final Jid by) {
-        for (final StanzaId stanzaId : message.getExtensions(StanzaId.class)) {
+        for (final var stanzaId :
+                message.getExtensions(im.conversations.android.xmpp.model.unique.StanzaId.class)) {
             final var id = stanzaId.getId();
             if (by.equals(stanzaId.getBy()) && id != null) {
-                return id;
+                return new StanzaId(id, by);
             }
         }
         return null;

app/src/main/java/im/conversations/android/xmpp/model/mam/End.java

@@ -0,0 +1,15 @@
+package im.conversations.android.xmpp.model.mam;
+
+import im.conversations.android.annotation.XmlElement;
+import im.conversations.android.xmpp.model.Extension;
+
+@XmlElement
+public class End extends Extension {
+    public End() {
+        super(End.class);
+    }
+
+    public String getId() {
+        return this.getAttribute("id");
+    }
+}

app/src/main/java/im/conversations/android/xmpp/model/mam/Fin.java

@@ -0,0 +1,16 @@
+package im.conversations.android.xmpp.model.mam;
+
+import im.conversations.android.annotation.XmlElement;
+import im.conversations.android.xmpp.model.Extension;
+
+@XmlElement
+public class Fin extends Extension {
+
+    public Fin() {
+        super(Fin.class);
+    }
+
+    public boolean isComplete() {
+        return this.getAttributeAsBoolean("complete");
+    }
+}

app/src/main/java/im/conversations/android/xmpp/model/mam/Metadata.java

@@ -0,0 +1,20 @@
+package im.conversations.android.xmpp.model.mam;
+
+import im.conversations.android.annotation.XmlElement;
+import im.conversations.android.xmpp.model.Extension;
+
+@XmlElement
+public class Metadata extends Extension {
+
+    public Metadata() {
+        super(Metadata.class);
+    }
+
+    public Start getStart() {
+        return this.getExtension(Start.class);
+    }
+
+    public End getEnd() {
+        return this.getExtension(End.class);
+    }
+}

app/src/main/java/im/conversations/android/xmpp/model/mam/Query.java

@@ -0,0 +1,16 @@
+package im.conversations.android.xmpp.model.mam;
+
+import im.conversations.android.annotation.XmlElement;
+import im.conversations.android.xmpp.model.Extension;
+
+@XmlElement
+public class Query extends Extension {
+
+    public Query() {
+        super(Query.class);
+    }
+
+    public void setQueryId(final String id) {
+        this.setAttribute("queryid", id);
+    }
+}

app/src/main/java/im/conversations/android/xmpp/model/mam/Start.java

@@ -0,0 +1,16 @@
+package im.conversations.android.xmpp.model.mam;
+
+import im.conversations.android.annotation.XmlElement;
+import im.conversations.android.xmpp.model.Extension;
+
+@XmlElement
+public class Start extends Extension {
+
+    public Start() {
+        super(Start.class);
+    }
+
+    public String getId() {
+        return this.getAttribute("id");
+    }
+}

app/src/main/java/im/conversations/android/xmpp/model/rsm/After.java

@@ -0,0 +1,12 @@
+package im.conversations.android.xmpp.model.rsm;
+
+import im.conversations.android.annotation.XmlElement;
+import im.conversations.android.xmpp.model.Extension;
+
+@XmlElement
+public class After extends Extension {
+
+    public After() {
+        super(After.class);
+    }
+}

app/src/main/java/im/conversations/android/xmpp/model/rsm/Before.java

@@ -0,0 +1,12 @@
+package im.conversations.android.xmpp.model.rsm;
+
+import im.conversations.android.annotation.XmlElement;
+import im.conversations.android.xmpp.model.Extension;
+
+@XmlElement
+public class Before extends Extension {
+
+    public Before() {
+        super(Before.class);
+    }
+}

app/src/main/java/im/conversations/android/xmpp/model/rsm/Count.java

@@ -0,0 +1,23 @@
+package im.conversations.android.xmpp.model.rsm;
+
+import com.google.common.base.Strings;
+import com.google.common.primitives.Ints;
+import im.conversations.android.annotation.XmlElement;
+import im.conversations.android.xmpp.model.Extension;
+
+@XmlElement
+public class Count extends Extension {
+
+    public Count() {
+        super(Count.class);
+    }
+
+    public Integer getCount() {
+        final var content = getContent();
+        if (Strings.isNullOrEmpty(content)) {
+            return null;
+        } else {
+            return Ints.tryParse(content);
+        }
+    }
+}

app/src/main/java/im/conversations/android/xmpp/model/rsm/First.java

@@ -0,0 +1,12 @@
+package im.conversations.android.xmpp.model.rsm;
+
+import im.conversations.android.annotation.XmlElement;
+import im.conversations.android.xmpp.model.Extension;
+
+@XmlElement
+public class First extends Extension {
+
+    public First() {
+        super(First.class);
+    }
+}

app/src/main/java/im/conversations/android/xmpp/model/rsm/Last.java

@@ -0,0 +1,12 @@
+package im.conversations.android.xmpp.model.rsm;
+
+import im.conversations.android.annotation.XmlElement;
+import im.conversations.android.xmpp.model.Extension;
+
+@XmlElement
+public class Last extends Extension {
+
+    public Last() {
+        super(Last.class);
+    }
+}

app/src/main/java/im/conversations/android/xmpp/model/rsm/Max.java

@@ -0,0 +1,16 @@
+package im.conversations.android.xmpp.model.rsm;
+
+import im.conversations.android.annotation.XmlElement;
+import im.conversations.android.xmpp.model.Extension;
+
+@XmlElement
+public class Max extends Extension {
+
+    public Max() {
+        super(Max.class);
+    }
+
+    public void setMax(final int max) {
+        this.setContent(String.valueOf(max));
+    }
+}

app/src/main/java/im/conversations/android/xmpp/model/rsm/Set.java

@@ -0,0 +1,55 @@
+package im.conversations.android.xmpp.model.rsm;
+
+import com.google.common.base.Strings;
+import im.conversations.android.annotation.XmlElement;
+import im.conversations.android.xmpp.Page;
+import im.conversations.android.xmpp.Range;
+import im.conversations.android.xmpp.model.Extension;
+
+@XmlElement
+public class Set extends Extension {
+
+    public Set() {
+        super(Set.class);
+    }
+
+    public static Set of(final Range range, final Integer max) {
+        final var set = new Set();
+        if (range.order == Range.Order.NORMAL) {
+            final var after = set.addExtension(new After());
+            after.setContent(range.id);
+        } else if (range.order == Range.Order.REVERSE) {
+            final var before = set.addExtension(new Before());
+            before.setContent(range.id);
+        } else {
+            throw new IllegalArgumentException("Invalid order");
+        }
+        if (max != null) {
+            set.addExtension(new Max()).setMax(max);
+        }
+        return set;
+    }
+
+    public Page asPage() {
+        final var first = this.getExtension(First.class);
+        final var last = this.getExtension(Last.class);
+
+        final var firstId = first == null ? null : first.getContent();
+        final var lastId = last == null ? null : last.getContent();
+        if (Strings.isNullOrEmpty(firstId) || Strings.isNullOrEmpty(lastId)) {
+            throw new IllegalStateException("Invalid page. Missing first or last");
+        }
+        return new Page(firstId, lastId, this.getCount());
+    }
+
+    public boolean isEmpty() {
+        final var first = this.getExtension(First.class);
+        final var last = this.getExtension(Last.class);
+        return first == null && last == null;
+    }
+
+    public Integer getCount() {
+        final var count = this.getExtension(Count.class);
+        return count == null ? null : count.getCount();
+    }
+}

app/src/main/java/im/conversations/android/xmpp/model/rsm/package-info.java

@@ -0,0 +1,5 @@
+@XmlPackage(namespace = Namespace.RESULT_SET_MANAGEMENT)
+package im.conversations.android.xmpp.model.rsm;
+
+import im.conversations.android.annotation.XmlPackage;
+import im.conversations.android.xml.Namespace;

app/src/main/java/im/conversations/android/xmpp/processor/BindProcessor.java

@@ -1,21 +1,19 @@
 package im.conversations.android.xmpp.processor;
 
 import android.content.Context;
-import com.google.common.util.concurrent.FutureCallback;
-import com.google.common.util.concurrent.Futures;
-import com.google.common.util.concurrent.MoreExecutors;
 import im.conversations.android.xml.Namespace;
 import im.conversations.android.xmpp.Entity;
+import im.conversations.android.xmpp.Range;
 import im.conversations.android.xmpp.XmppConnection;
+import im.conversations.android.xmpp.manager.ArchiveManager;
 import im.conversations.android.xmpp.manager.AxolotlManager;
 import im.conversations.android.xmpp.manager.BlockingManager;
 import im.conversations.android.xmpp.manager.BookmarkManager;
 import im.conversations.android.xmpp.manager.DiscoManager;
-import im.conversations.android.xmpp.manager.HttpUploadManager;
 import im.conversations.android.xmpp.manager.PresenceManager;
 import im.conversations.android.xmpp.manager.RosterManager;
+import java.util.List;
 import java.util.function.Consumer;
-import okhttp3.MediaType;
 import org.jxmpp.jid.Jid;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -32,13 +30,15 @@ public class BindProcessor extends XmppConnection.Delegate implements Consumer<J
     public void accept(final Jid jid) {
         final var account = getAccount();
         final var database = getDatabase();
-
+        final var archive = jid.asBareJid();
-        database.runInTransaction(
+        final List<Range> catchUpQueryRanges =
-                () -> {
+                database.runInTransaction(
-                    database.chatDao().resetMucStates();
+                        () -> {
-                    database.presenceDao().deletePresences(account.id);
+                            database.chatDao().resetMucStates();
-                    database.discoDao().deleteUnused(account.id);
+                            database.presenceDao().deletePresences(account.id);
-                });
+                            database.discoDao().deleteUnused(account.id);
+                            return database.archiveDao().resetLivePage(account, archive);
+                        });
 
         getManager(RosterManager.class).fetch();
 
@@ -57,24 +57,8 @@ public class BindProcessor extends XmppConnection.Delegate implements Consumer<J
 
         getManager(AxolotlManager.class).publishIfNecessary();
 
+        getManager(ArchiveManager.class).query(archive, catchUpQueryRanges);
+
         getManager(PresenceManager.class).sendPresence();
-
-        final var future =
-                getManager(HttpUploadManager.class)
-                        .request("foo.jpg", 123, MediaType.get("image/jpeg"));
-        Futures.addCallback(
-                future,
-                new FutureCallback<HttpUploadManager.Slot>() {
-                    @Override
-                    public void onSuccess(HttpUploadManager.Slot result) {
-                        LOGGER.info("requested slot {}", result);
-                    }
-
-                    @Override
-                    public void onFailure(Throwable t) {
-                        LOGGER.info("could not request slot", t);
-                    }
-                },
-                MoreExecutors.directExecutor());
     }
 }

app/src/main/java/im/conversations/android/xmpp/processor/MessageProcessor.java

@@ -87,7 +87,7 @@ public class MessageProcessor extends XmppConnection.Delegate implements Consume
             final var axolotlService =
                     connection.getManager(AxolotlManager.class).getAxolotlService();
             final var transformer = new Transformer(getAccount(), database, axolotlService);
-            sendReceipts = transformer.transform(transformation);
+            sendReceipts = transformer.transform(transformation, stanzaId);
         } else {
             sendReceipts = true;
         }