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Add support for GV2 group update messages.
This commit is contained in:
Alan Evans
committed by
Greyson Parrelli
Greyson Parrelli
parent
1f994495f8
commit
326678f214
@@ -0,0 +1,310 @@
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package org.thoughtcrime.securesms.database.model;
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import android.content.Context;
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import androidx.annotation.NonNull;
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import com.google.protobuf.ByteString;
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import org.signal.storageservice.protos.groups.AccessControl;
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import org.signal.storageservice.protos.groups.Member;
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import org.signal.storageservice.protos.groups.local.DecryptedGroupChange;
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import org.signal.storageservice.protos.groups.local.DecryptedMember;
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import org.signal.storageservice.protos.groups.local.DecryptedModifyMemberRole;
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import org.signal.storageservice.protos.groups.local.DecryptedPendingMember;
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import org.signal.storageservice.protos.groups.local.DecryptedPendingMemberRemoval;
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import org.thoughtcrime.securesms.R;
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import org.thoughtcrime.securesms.groups.GV2AccessLevelUtil;
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import org.thoughtcrime.securesms.util.ExpirationUtil;
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import org.whispersystems.signalservice.api.util.UuidUtil;
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import java.util.LinkedList;
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import java.util.List;
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import java.util.UUID;
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final class GroupsV2UpdateMessageProducer {
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@NonNull private final Context context;
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@NonNull private final DescribeMemberStrategy descriptionStrategy;
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@NonNull private final ByteString youUuid;
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/**
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* @param descriptionStrategy Strategy for member description.
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*/
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GroupsV2UpdateMessageProducer(@NonNull Context context,
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@NonNull DescribeMemberStrategy descriptionStrategy,
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@NonNull UUID you)
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{
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this.context = context;
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this.descriptionStrategy = descriptionStrategy;
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this.youUuid = UuidUtil.toByteString(you);
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}
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List<String> describeChange(@NonNull DecryptedGroupChange change) {
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List<String> updates = new LinkedList<>();
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describeMemberAdditions(change, updates);
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describeMemberRemovals(change, updates);
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describeModifyMemberRoles(change, updates);
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describeInvitations(change, updates);
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describeRevokedInvitations(change, updates);
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describePromotePending(change, updates);
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describeNewTitle(change, updates);
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describeNewAvatar(change, updates);
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describeNewTimer(change, updates);
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describeNewAttributeAccess(change, updates);
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describeNewMembershipAccess(change, updates);
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if (updates.isEmpty()) {
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describeUnknownChange(change, updates);
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}
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return updates;
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}
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/**
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* Handles case of future protocol versions where we don't know what has changed.
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*/
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private void describeUnknownChange(@NonNull DecryptedGroupChange change, @NonNull List<String> updates) {
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boolean editorIsYou = change.getEditor().equals(youUuid);
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if (editorIsYou) {
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updates.add(context.getString(R.string.MessageRecord_you_updated_group));
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} else {
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updates.add(context.getString(R.string.MessageRecord_s_updated_group, describe(change.getEditor())));
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}
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}
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private void describeMemberAdditions(@NonNull DecryptedGroupChange change, @NonNull List<String> updates) {
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boolean editorIsYou = change.getEditor().equals(youUuid);
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for (DecryptedMember member : change.getNewMembersList()) {
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boolean newMemberIsYou = member.getUuid().equals(youUuid);
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if (editorIsYou) {
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if (newMemberIsYou) {
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updates.add(context.getString(R.string.MessageRecord_you_joined_the_group));
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} else {
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updates.add(context.getString(R.string.MessageRecord_you_added_s, describe(member.getUuid())));
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}
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} else {
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if (newMemberIsYou) {
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updates.add(context.getString(R.string.MessageRecord_s_added_you, describe(change.getEditor())));
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} else {
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if (member.getUuid().equals(change.getEditor())) {
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updates.add(context.getString(R.string.MessageRecord_s_joined_the_group, describe(member.getUuid())));
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} else {
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updates.add(context.getString(R.string.MessageRecord_s_added_s, describe(change.getEditor()), describe(member.getUuid())));
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}
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}
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}
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}
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}
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private void describeMemberRemovals(@NonNull DecryptedGroupChange change, @NonNull List<String> updates) {
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boolean editorIsYou = change.getEditor().equals(youUuid);
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for (ByteString member : change.getDeleteMembersList()) {
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boolean newMemberIsYou = member.equals(youUuid);
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if (editorIsYou) {
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if (newMemberIsYou) {
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updates.add(context.getString(R.string.MessageRecord_you_left_the_group));
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} else {
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updates.add(context.getString(R.string.MessageRecord_you_removed_s, describe(member)));
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}
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} else {
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if (newMemberIsYou) {
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updates.add(context.getString(R.string.MessageRecord_s_removed_you_from_the_group, describe(change.getEditor())));
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} else {
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if (member.equals(change.getEditor())) {
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updates.add(context.getString(R.string.MessageRecord_s_left_the_group, describe(member)));
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} else {
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updates.add(context.getString(R.string.MessageRecord_s_removed_s, describe(change.getEditor()), describe(member)));
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}
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}
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}
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}
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}
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private void describeModifyMemberRoles(@NonNull DecryptedGroupChange change, @NonNull List<String> updates) {
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boolean editorIsYou = change.getEditor().equals(youUuid);
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for (DecryptedModifyMemberRole roleChange : change.getModifyMemberRolesList()) {
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if (roleChange.getRole() == Member.Role.ADMINISTRATOR) {
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boolean newMemberIsYou = roleChange.getUuid().equals(youUuid);
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if (editorIsYou) {
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updates.add(context.getString(R.string.MessageRecord_you_made_s_an_admin, describe(roleChange.getUuid())));
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} else {
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if (newMemberIsYou) {
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updates.add(context.getString(R.string.MessageRecord_s_made_you_an_admin, describe(change.getEditor())));
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} else {
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updates.add(context.getString(R.string.MessageRecord_s_made_s_an_admin, describe(change.getEditor()), describe(roleChange.getUuid())));
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}
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}
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} else {
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boolean newMemberIsYou = roleChange.getUuid().equals(youUuid);
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if (editorIsYou) {
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updates.add(context.getString(R.string.MessageRecord_you_revoked_admin_privileges_from_s, describe(roleChange.getUuid())));
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} else {
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if (newMemberIsYou) {
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updates.add(context.getString(R.string.MessageRecord_s_revoked_your_admin_privileges, describe(change.getEditor())));
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} else {
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updates.add(context.getString(R.string.MessageRecord_s_revoked_admin_privileges_from_s, describe(change.getEditor()), describe(roleChange.getUuid())));
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}
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}
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}
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}
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}
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private void describeInvitations(@NonNull DecryptedGroupChange change, @NonNull List<String> updates) {
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boolean editorIsYou = change.getEditor().equals(youUuid);
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int notYouInviteCount = 0;
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for (DecryptedPendingMember invitee : change.getNewPendingMembersList()) {
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boolean newMemberIsYou = invitee.getUuid().equals(youUuid);
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if (newMemberIsYou) {
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updates.add(context.getString(R.string.MessageRecord_s_invited_you_to_the_group, describe(change.getEditor())));
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} else {
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if (editorIsYou) {
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updates.add(context.getString(R.string.MessageRecord_you_invited_s_to_the_group, describe(invitee.getUuid())));
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} else {
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notYouInviteCount++;
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}
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}
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}
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if (notYouInviteCount > 0) {
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updates.add(context.getResources().getQuantityString(R.plurals.MessageRecord_s_invited_members, notYouInviteCount, describe(change.getEditor()), notYouInviteCount));
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}
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}
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private void describeRevokedInvitations(@NonNull DecryptedGroupChange change, @NonNull List<String> updates) {
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boolean editorIsYou = change.getEditor().equals(youUuid);
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int notDeclineCount = 0;
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for (DecryptedPendingMemberRemoval invitee : change.getDeletePendingMembersList()) {
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boolean decline = invitee.getUuid().equals(change.getEditor());
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if (decline) {
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if (editorIsYou) {
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updates.add(context.getString(R.string.MessageRecord_you_declined_the_invitation_to_the_group));
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} else {
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updates.add(context.getString(R.string.MessageRecord_someone_declined_an_invitation_to_the_group));
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}
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} else {
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notDeclineCount++;
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}
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}
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if (notDeclineCount > 0) {
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if (editorIsYou) {
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updates.add(context.getResources().getQuantityString(R.plurals.MessageRecord_you_revoked_invites, notDeclineCount, notDeclineCount));
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} else {
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updates.add(context.getResources().getQuantityString(R.plurals.MessageRecord_s_revoked_invites, notDeclineCount, describe(change.getEditor()), notDeclineCount));
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}
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}
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}
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private void describePromotePending(@NonNull DecryptedGroupChange change, @NonNull List<String> updates) {
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boolean editorIsYou = change.getEditor().equals(youUuid);
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for (ByteString member : change.getPromotePendingMembersList()) {
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boolean newMemberIsYou = member.equals(youUuid);
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if (editorIsYou) {
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if (newMemberIsYou) {
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updates.add(context.getString(R.string.MessageRecord_you_accepted_invite));
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} else {
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updates.add(context.getString(R.string.MessageRecord_you_added_invited_member_s, describe(member)));
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}
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} else {
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if (newMemberIsYou) {
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updates.add(context.getString(R.string.MessageRecord_s_added_you, describe(change.getEditor())));
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} else {
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if (member.equals(change.getEditor())) {
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updates.add(context.getString(R.string.MessageRecord_s_accepted_invite, describe(member)));
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} else {
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updates.add(context.getString(R.string.MessageRecord_s_added_invited_member_s, describe(change.getEditor()), describe(member)));
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}
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}
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}
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}
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}
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private void describeNewTitle(@NonNull DecryptedGroupChange change, @NonNull List<String> updates) {
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boolean editorIsYou = change.getEditor().equals(youUuid);
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if (change.hasNewTitle()) {
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if (editorIsYou) {
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updates.add(context.getString(R.string.MessageRecord_you_changed_the_group_name_to_s, change.getNewTitle().getValue()));
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} else {
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updates.add(context.getString(R.string.MessageRecord_s_changed_the_group_name_to_s, describe(change.getEditor()), change.getNewTitle().getValue()));
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}
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}
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}
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private void describeNewAvatar(@NonNull DecryptedGroupChange change, @NonNull List<String> updates) {
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boolean editorIsYou = change.getEditor().equals(youUuid);
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if (change.hasNewAvatar()) {
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if (editorIsYou) {
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updates.add(context.getString(R.string.MessageRecord_you_changed_the_group_avatar));
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} else {
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updates.add(context.getString(R.string.MessageRecord_s_changed_the_group_avatar, describe(change.getEditor())));
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}
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}
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}
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private void describeNewTimer(@NonNull DecryptedGroupChange change, @NonNull List<String> updates) {
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boolean editorIsYou = change.getEditor().equals(youUuid);
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if (change.hasNewTimer()) {
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String time = ExpirationUtil.getExpirationDisplayValue(context, change.getNewTimer().getDuration());
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if (editorIsYou) {
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updates.add(context.getString(R.string.MessageRecord_you_set_disappearing_message_time_to_s, time));
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} else {
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updates.add(context.getString(R.string.MessageRecord_s_set_disappearing_message_time_to_s, describe(change.getEditor()), time));
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}
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}
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}
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private void describeNewAttributeAccess(@NonNull DecryptedGroupChange change, @NonNull List<String> updates) {
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boolean editorIsYou = change.getEditor().equals(youUuid);
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if (change.getNewAttributeAccess() != AccessControl.AccessRequired.UNKNOWN) {
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String accessLevel = GV2AccessLevelUtil.toString(context, change.getNewAttributeAccess());
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if (editorIsYou) {
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updates.add(context.getString(R.string.MessageRecord_you_changed_who_can_edit_group_info_to_s, accessLevel));
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} else {
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updates.add(context.getString(R.string.MessageRecord_s_changed_who_can_edit_group_info_to_s, describe(change.getEditor()), accessLevel));
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}
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}
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}
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private void describeNewMembershipAccess(@NonNull DecryptedGroupChange change, @NonNull List<String> updates) {
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boolean editorIsYou = change.getEditor().equals(youUuid);
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if (change.getNewMemberAccess() != AccessControl.AccessRequired.UNKNOWN) {
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String accessLevel = GV2AccessLevelUtil.toString(context, change.getNewMemberAccess());
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if (editorIsYou) {
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updates.add(context.getString(R.string.MessageRecord_you_changed_who_can_edit_group_membership_to_s, accessLevel));
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} else {
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updates.add(context.getString(R.string.MessageRecord_s_changed_who_can_edit_group_membership_to_s, describe(change.getEditor()), accessLevel));
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}
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}
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}
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private @NonNull String describe(@NonNull ByteString uuid) {
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return descriptionStrategy.describe(UuidUtil.fromByteString(uuid));
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}
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interface DescribeMemberStrategy {
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/**
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* Map a UUID to a string that describes the group member.
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*/
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@NonNull String describe(@NonNull UUID uuid);
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}
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}
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@@ -0,0 +1,23 @@
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package org.thoughtcrime.securesms.groups;
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import android.content.Context;
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import androidx.annotation.NonNull;
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import org.signal.storageservice.protos.groups.AccessControl;
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import org.thoughtcrime.securesms.R;
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public final class GV2AccessLevelUtil {
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private GV2AccessLevelUtil() {
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}
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public static String toString(@NonNull Context context, @NonNull AccessControl.AccessRequired attributeAccess) {
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switch (attributeAccess) {
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case ANY : return context.getString(R.string.GroupManagement_access_level_anyone);
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case MEMBER : return context.getString(R.string.GroupManagement_access_level_all_members);
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case ADMINISTRATOR : return context.getString(R.string.GroupManagement_access_level_only_admins);
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default : return context.getString(R.string.GroupManagement_access_level_unknown);
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}
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}
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}
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