امکانات پیشرفته چت - قسمت اول

// Get Realtime api
BacktoryRealtimeAndroidApi backtoryApi = BacktoryRealtimeAndroidApi.getInstance();

// Create the group
backtoryApi.createChatGroupAsync("MyGroup", ChatGroupType.Private,
        new BacktoryCallBack<ChatGroupCreationResponse>() {
    @Override
    public void onResponse(BacktoryResponse<ChatGroupCreationResponse> response) {
        // Check if creation was successful or not
        if (response.isSuccessful()) {
            Log.d("TAG", "Group created Successfully with id: "
                    + response.body().getGroupName());
        } else {
            Log.d("TAG", "Group create failed with code: "
                    + response.code()
                    + " and message: "
                    + response.message());
        }
    }
});

// Get realtime api
BacktoryRealtimeAndroidApi backtoryApi = BacktoryRealtimeAndroidApi.getInstance();

// Get list of groups
backtoryApi.requestListOfChatGroupsAsync(new BacktoryCallBack<ChatGroupsListResponse>() {
    @Override
    public void onResponse(BacktoryResponse<ChatGroupsListResponse> response) {
        // Check if list is retrieved successfully
        if (response.isSuccessful()) {
            Log.d("TAG", "List of my groups is:");
            List<ChatGroupInfo> groups = response.body().getGroupInfoList();
            for (int i = 0; i < groups.size(); i++) {
                Log.d("TAG", i + ". " + groups.get(i).getGroupId() + " -> "
                        + groups.get(i).getGroupName());
            }
        } else {
            Log.d("TAG", "Fetching list of groups failed with code: "
                    + response.code()
                    + " and message: "
                    + response.message());
        }
    }
});

// Get realtime api
BacktoryRealtimeAndroidApi backtoryApi = BacktoryRealtimeAndroidApi.getInstance();

// Get group members after connection is Successful
backtoryApi.requestListOfChatGroupMembersAsync("<YOUR-GROUP-ID-HERE>",
        new BacktoryCallBack<ChatGroupMembersListResponse>() {
    @Override
    public void onResponse(BacktoryResponse<ChatGroupMembersListResponse> response) {
        // Check if list is retrieved successfully
        if (response.isSuccessful()) {
            Log.d("TAG", "Group id is " + response.body().getGroupId());
            List<ChatGroupMember> members = response.body().getGroupMemberList();
            for (int i = 0; i < members.size(); i++) {
                Log.d("TAG", i + ". " + members.get(i).getUserId() + " -> "
                        + members.get(i).getRole());
            }
        } else {
            Log.d("TAG", "Fetching list of group failed with code: "
                    + response.code()
                    + " and message: "
                    + response.message());
        }
    }
});

// Get realtime api
BacktoryRealtimeAndroidApi backtoryApi = BacktoryRealtimeAndroidApi.getInstance();

// Adding a user to a group after connection is Successful
backtoryApi.addMemberToChatGroupAsync("<YOUR-GROUP-ID-HERE>", "<MEMBER-USER-ID-HERE>",
        new BacktoryCallBack<Void>() {
            @Override
            public void onResponse(BacktoryResponse<Void> response) {
                // Check if addition is done successfully
                if (response.isSuccessful()) {
                    Log.d("TAG", "Added Successfully.");
                } else {
                    Log.d("TAG", "Operation failed with code: "
                            + response.code()
                            + " and message: "
                            + response.message());
                }
            }
        });

// Get realtime api
BacktoryRealtimeAndroidApi backtoryApi = BacktoryRealtimeAndroidApi.getInstance();

// Removing a user from a group after connection is Successful
backtoryApi.removeMemberFromChatGroupAsync("<YOUR-GROUP-ID-HERE>",
        "<MEMBER-USER-ID-HERE>", new BacktoryCallBack<Void>() {
            @Override
            public void onResponse(BacktoryResponse<Void> response) {
                // Check if removal is done successfully
                if (response.isSuccessful()) {
                    Log.d("TAG", "Removed Successfully.");
                } else {
                    Log.d("TAG", "Operation failed with code: "
                            + response.code()
                            + " and message: "
                            + response.message());
                }
            }
        });

// Get realtime api
BacktoryRealtimeAndroidApi backtoryApi = BacktoryRealtimeAndroidApi.getInstance();

// Removing a user from a group after connection is Successful
backtoryApi.sendChatToGroupAsync("<YOUR-GROUP-ID-HERE>", "Hello everybody",
        new BacktoryCallBack<Void>() {
            @Override
            public void onResponse(BacktoryResponse<Void> response) {
                // Check if message is sent successfully
                if (response.isSuccessful()) {
                    Log.d("TAG", "Message Sent Successfully.");
                } else {
                    Log.d("TAG", "Operation failed with code: "
                            + response.code()
                            + " and message: "
                            + response.message());
                }
            }
        });

// Get realtime api
BacktoryRealtimeAndroidApi backtoryApi = BacktoryRealtimeAndroidApi.getInstance();

// Add a new admin after connection is Successful
backtoryApi.addOwnerToChatGroupAsync("<YOUR-GROUP-ID-HERE>", "<YOUR-USER-ID-HERE>",
        new BacktoryCallBack<Void>() {
            @Override
            public void onResponse(BacktoryResponse<Void> response) {
                // Check if addition is done successfully
                if (response.isSuccessful()) {
                    Log.d("TAG", "User is set as new admin successfully.");
                } else {
                    Log.d("TAG", "Operation failed with code: "
                            + response.code()
                            + " and message: "
                            + response.message());
                }
            }
        });

// Get Realtime api
BacktoryRealtimeAndroidApi backtoryApi = BacktoryRealtimeAndroidApi.getInstance();

// Add a new admin after connection is Successful
backtoryApi.inviteUserToChatGroupAsync("<YOUR-GROUP-ID-HERE>", "<YOUR-USER-ID-HERE>",
        new BacktoryCallBack<Void>() {
            @Override
            public void onResponse(BacktoryResponse<Void> response) {
                // Check if invitation is sent successfully
                if (response.isSuccessful()) {
                    Log.d("TAG", "Invitation is sent to backtory successfully.");
                } else {
                    Log.d("TAG", "Operation failed with code: "
                            + response.code()
                            + " and message: "
                            + response.message());
                }
            }
        });

// Get realtime api
BacktoryRealtimeAndroidApi backtoryApi = BacktoryRealtimeAndroidApi.getInstance();

// Join the group
backtoryApi.joinChatGroupAsync("<YOUR-GROUP-ID-HERE>", new BacktoryCallBack<Void>() {
    @Override
    public void onResponse(BacktoryResponse<Void> response) {
        // Check if join was successful or not
        if (response.isSuccessful()) {
            Log.d("TAG", "You joined the group successfully.");
        } else {
            Log.d("TAG", "Operation failed with code: "
                    + response.code()
                    + " and message: "
                    + response.message());
        }
    }
});

// Get Realtime api
BacktoryRealtimeAndroidApi backtoryApi = BacktoryRealtimeAndroidApi.getInstance();

// Leave the group
backtoryApi.leaveChatGroupAsync("<YOUR-GROUP-ID-HERE>", new BacktoryCallBack<Void>() {
    @Override
    public void onResponse(BacktoryResponse<Void> response) {
        // Check if leave was successful or not
        if (response.isSuccessful()) {
            Log.d("TAG", "You left the group successfully.");
        } else {
            Log.d("TAG", "Operation failed with code: "
                    + response.code()
                    + " and message: "
                    + response.message());
        }
    }
});

// Get Realtime api
BacktoryRealtimeAndroidApi backtoryApi = BacktoryRealtimeAndroidApi.getInstance();

// Request group history
backtoryApi.requestGroupChatHistoryAsync("<YOUR-GROUP-ID-HERE>",
    Calendar.getInstance().getTimeInMillis(),
    new BacktoryCallBack<GroupChatHistoryResponse>() {
        @Override
        public void onResponse(BacktoryResponse<GroupChatHistoryResponse> response) {
            // Check if request was successful or not
            if (response.isSuccessful()) {
                List<ChatMessage> chatMessages = response.body().getChatMessageList();
                for(ChatMessage message : chatMessages) {
                    if (message instanceof SimpleChatMessage) {
                        SimpleChatMessage msg = (SimpleChatMessage) message;
                        Log.d("TAG", "Group message from " + msg.getSenderId() + ": "
                                + msg.getMessage());
                    }
                    else if (message instanceof UserAddedMessage) {
                        UserAddedMessage msg = (UserAddedMessage) message;
                        Log.d("TAG", "User " + msg.getAddedUserId()
                            + " is added to group by " + msg.getAdderUserId());
                    }
                    else if (message instanceof UserJoinedMessage) {
                        UserJoinedMessage msg = (UserJoinedMessage) message;
                        Log.d("TAG", "User " + msg.getUserId() + " joined the group.");
                    }
                    else if (message instanceof UserLeftMessage) {
                        UserLeftMessage msg = (UserLeftMessage) message;
                        Log.d("TAG", "User " + msg.getUserId() + " left the group.");
                    }
                    else if (message instanceof UserRemovedMessage) {
                        UserRemovedMessage msg = (UserRemovedMessage) message;
                        Log.d("TAG", "User " + msg.getRemovedUserId()
                            + " is removed by " + msg.getRemoverUserId());
                    }
                }
            } else {
                Log.d("TAG", "Operation failed with code: "
                        + response.code()
                        + " and message: "
                        + response.message());
            }
        }
    });

// Get Realtime api
BacktoryRealtimeAndroidApi backtoryApi = BacktoryRealtimeAndroidApi.getInstance();

// Request group history
backtoryApi.requestUserChatHistoryAsync("<RECEIVER-USER-ID-HERE>", Calendar.getInstance().getTimeInMillis(),
        new BacktoryCallBack<UserChatHistoryResponse>() {
            @Override
            public void onResponse(BacktoryResponse<UserChatHistoryResponse> response) {
                // Check if request was successful or not
                if (response.isSuccessful()) {
                    List<ChatMessage> chatMessages = response.body().getChatMessageList();
                    for(ChatMessage message : chatMessages) {
                        SimpleChatMessage msg = (SimpleChatMessage) message;
                        Log.d("TAG", "Group message from " + msg.getSenderId() + ": "
                                + msg.getMessage());
                    }
                } else {
                    Log.d("TAG", "Operation failed with code: "
                            + response.code()
                            + " and message: "
                            + response.message());
                }
            }
        });

// Get Realtime api
BacktoryRealtimeAndroidApi backtoryApi = BacktoryRealtimeAndroidApi.getInstance();

// Request group history
backtoryApi.requestOfflineMessagesAsync(new BacktoryCallBack<OfflineMessageResponse>() {
    @Override
    public void onResponse(BacktoryResponse<OfflineMessageResponse> response) {
        // Check if request was successful or not
        if (response.isSuccessful()) {
            List<ChatMessage> chatMessages = response.body().getChatMessageList();
            for(ChatMessage message : chatMessages) {
                if (message instanceof SimpleChatMessage) {
                    SimpleChatMessage msg = (SimpleChatMessage) message;
                    Log.d("TAG", "Group message from " + msg.getSenderId() + ": "
                            + msg.getMessage());
                }
                else if (message instanceof UserAddedMessage) {
                    UserAddedMessage msg = (UserAddedMessage) message;
                    Log.d("TAG", "User " + msg.getAddedUserId()
                            + " is added to group by " + msg.getAdderUserId());
                }
                else if (message instanceof ChatInvitationMessage) {
                    ChatInvitationMessage msg = (ChatInvitationMessage) message;
                    Log.d("TAG", "Invitation to group " + msg.getGroupId()
                            + " by User " + msg.getCallerId());
                }
                else if (message instanceof UserJoinedMessage) {
                    UserJoinedMessage msg = (UserJoinedMessage) message;
                    Log.d("TAG", "User " + msg.getUserId() + " joined the group.");
                }
                else if (message instanceof UserLeftMessage) {
                    UserLeftMessage msg = (UserLeftMessage) message;
                    Log.d("TAG", "User " + msg.getUserId() + " left the group.");
                }
                else if (message instanceof UserRemovedMessage) {
                    UserRemovedMessage msg = (UserRemovedMessage) message;
                    Log.d("TAG", "User " + msg.getRemovedUserId() + " is removed by "
                            + msg.getRemoverUserId());
                }
            }
        } else {
            Log.d("TAG", "Operation failed with code: "
                    + response.code()
                    + " and message: "
                    + response.message());
        }
    }
});

public int PAGE_SIZE = 25;
public List<ChatMessage> allMessages = new ArrayList<>();

public void fetchAllOfflineMessages() {
    BacktoryRealtimeAndroidApi.getInstance().requestOfflineMessagesAsync(
            new BacktoryCallBack<OfflineMessageResponse>() {
        @Override
        public void onResponse(BacktoryResponse<OfflineMessageResponse> response) {
            if (response.isSuccessful()) {
                OfflineMessageResponse newPage = response.body();
                allMessages.addAll(newPage.getChatMessageList());

                if (newPage.getChatMessageList().size() >= PAGE_SIZE) {
                    fetchAllOfflineMessages();
                }
            } else {
                Log.d("TAG", "failed; " + response.message());
            }
        }
    });
}