io.lavagna.service.EventEmitter.java Source code

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Here is the source code for io.lavagna.service.EventEmitter.java

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/**
 * This file is part of lavagna.
 *
 * lavagna is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * lavagna is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with lavagna.  If not, see <http://www.gnu.org/licenses/>.
 */
package io.lavagna.service;

import io.lavagna.model.BoardColumn.BoardColumnLocation;
import io.lavagna.model.CardFull;

import java.util.Collection;
import java.util.HashSet;
import java.util.List;
import java.util.Set;

import lombok.AccessLevel;
import lombok.AllArgsConstructor;
import lombok.Getter;
import org.apache.commons.lang3.tuple.Triple;
import org.springframework.messaging.simp.SimpMessageSendingOperations;
import org.springframework.stereotype.Component;

@Component
public class EventEmitter {

    private final SimpMessageSendingOperations messagingTemplate;

    public EventEmitter(SimpMessageSendingOperations messageSendingOperations) {
        this.messagingTemplate = messageSendingOperations;
    }

    private static Event event(LavagnaEvent type) {
        return new Event(type, null);
    }

    private static ImportEvent importEvent(int currentBoard, int boards, String boardName) {
        return new ImportEvent(currentBoard, boards, boardName);
    }

    private static Event event(LavagnaEvent type, Object payload) {
        return new Event(type, payload);
    }

    private static String columnDestination(String boardShortName, BoardColumnLocation location) {
        return "/event/board/" + boardShortName + "/location/" + location + "/column";
    }

    private static String column(int columnId) {
        return "/event/column/" + columnId + "/card";
    }

    private static String board(String projectShortName, String boardShortName) {
        return "/event/" + projectShortName + "/" + boardShortName + "/card";
    }

    private static String cardData(int cardId) {
        return "/event/card/" + cardId + "/card-data";
    }

    // ------------ project

    public void emitCreateProject(String projectShortName) {
        messagingTemplate.convertAndSend("/event/project", event(LavagnaEvent.CREATE_PROJECT, projectShortName));
    }

    public void emitUpdateProject(String projectShortName) {
        messagingTemplate.convertAndSend("/event/project", event(LavagnaEvent.UPDATE_PROJECT, projectShortName));
    }

    public void emitImportProject(String importId, int currentBoard, int boards, String boardName) {
        messagingTemplate.convertAndSend("/event/import/" + importId, importEvent(currentBoard, boards, boardName));
    }

    public void emitUpdateColumnDefinition(String shortName) {
        emitUpdateProject(shortName);
        emitProjectMetadataHasChanged(shortName);
    }

    // ------------ board

    public void emitCreateBoard(String projectShortName) {
        messagingTemplate.convertAndSend("/event/project/" + projectShortName + "/board",
                event(LavagnaEvent.CREATE_BOARD));
    }

    public void emitUpdateBoard(String boardShortName) {
        messagingTemplate.convertAndSend("/event/board/" + boardShortName, event(LavagnaEvent.UPDATE_BOARD));
    }

    // ------------ column

    public void emitCreateColumn(String boardShortName, BoardColumnLocation location) {
        messagingTemplate.convertAndSend(columnDestination(boardShortName, location),
                event(LavagnaEvent.CREATE_COLUMN));
    }

    public void emitUpdateColumn(String boardShortName, BoardColumnLocation location, int columnId) {
        messagingTemplate.convertAndSend(columnDestination(boardShortName, location),
                event(LavagnaEvent.UPDATE_COLUMN));
        messagingTemplate.convertAndSend("/event/column/" + columnId, event(LavagnaEvent.UPDATE_COLUMN));
    }

    public void emitUpdateColumnPosition(String boardShortName, BoardColumnLocation location) {
        messagingTemplate.convertAndSend(columnDestination(boardShortName, location),
                event(LavagnaEvent.UPDATE_COLUMN_POSITION));
    }

    // ------------ card

    public void emitCreateCard(String projectShortName, String boardShortName, int columnId, int cardId) {
        messagingTemplate.convertAndSend(column(columnId), event(LavagnaEvent.CREATE_CARD));
        messagingTemplate.convertAndSend(board(projectShortName, boardShortName),
                event(LavagnaEvent.CREATE_CARD, cardId));
    }

    public void emitUpdateCard(String projectShortName, String boardShortName, int columnId, int cardId) {
        messagingTemplate.convertAndSend(column(columnId), event(LavagnaEvent.UPDATE_CARD));
        messagingTemplate.convertAndSend(board(projectShortName, boardShortName),
                event(LavagnaEvent.UPDATE_CARD, cardId));
    }

    public void emitUpdateCardPosition(int columnId) {
        messagingTemplate.convertAndSend(column(columnId), event(LavagnaEvent.UPDATE_CARD_POSITION));
    }

    public void emitMoveCardOutsideOfBoard(String boardShortName, BoardColumnLocation location) {
        messagingTemplate.convertAndSend("/event/board/" + boardShortName + "/location/" + location + "/card",
                event(LavagnaEvent.UPDATE_CARD_POSITION));
    }

    public void emitMoveCardFromOutsideOfBoard(String boardShortName, BoardColumnLocation location) {
        messagingTemplate.convertAndSend("/event/board/" + boardShortName + "/location/" + location + "/card",
                event(LavagnaEvent.UPDATE_CARD_POSITION));
    }

    public void emitCardHasMoved(String projectShortName, String boardShortName, Collection<Integer> affected) {
        for (Integer a : affected) {
            messagingTemplate.convertAndSend(board(projectShortName, boardShortName),
                    event(LavagnaEvent.UPDATE_CARD_POSITION, a));
        }
    }

    public void emitCreateRole() {
        messagingTemplate.convertAndSend("/event/permission", event(LavagnaEvent.CREATE_ROLE));
    }

    // ------------ permission

    public void emitCreateRole(String projectShortName) {
        messagingTemplate.convertAndSend("/event/permission/project/" + projectShortName,
                event(LavagnaEvent.CREATE_ROLE));
    }

    public void emitDeleteRole() {
        messagingTemplate.convertAndSend("/event/permission", event(LavagnaEvent.DELETE_ROLE));
    }

    public void emitDeleteRole(String projectShortName) {
        messagingTemplate.convertAndSend("/event/permission/project/" + projectShortName,
                event(LavagnaEvent.DELETE_ROLE));
    }

    public void emitUpdatePermissionsToRole() {
        messagingTemplate.convertAndSend("/event/permission", event(LavagnaEvent.UPDATE_PERMISSION_TO_ROLE));
    }

    public void emitUpdatePermissionsToRole(String projectShortName) {
        messagingTemplate.convertAndSend("/event/permission/project/" + projectShortName,
                event(LavagnaEvent.UPDATE_PERMISSION_TO_ROLE));
    }

    public void emitAssignRoleToUsers(String role) {
        messagingTemplate.convertAndSend("/event/permission", event(LavagnaEvent.ASSIGN_ROLE_TO_USERS, role));
    }

    public void emitAssignRoleToUsers(String role, String projectShortName) {
        messagingTemplate.convertAndSend("/event/permission/project/" + projectShortName,
                event(LavagnaEvent.ASSIGN_ROLE_TO_USERS, role));
    }

    public void emitRemoveRoleToUsers(String role) {
        messagingTemplate.convertAndSend("/event/permission", event(LavagnaEvent.REMOVE_ROLE_TO_USERS, role));
    }

    public void emitRemoveRoleToUsers(String role, String projectShortName) {
        messagingTemplate.convertAndSend("/event/permission/project/" + projectShortName,
                event(LavagnaEvent.REMOVE_ROLE_TO_USERS, role));
    }

    // ------------ card description
    public void emitUpdateDescription(int columnId, int cardId) {
        messagingTemplate.convertAndSend(cardData(cardId), event(LavagnaEvent.UPDATE_DESCRIPTION));
        messagingTemplate.convertAndSend(column(columnId), event(LavagnaEvent.UPDATE_DESCRIPTION));
    }

    // ------------ comment
    public void emitCreateComment(int columnId, int cardId) {
        messagingTemplate.convertAndSend(cardData(cardId), event(LavagnaEvent.CREATE_COMMENT));
        messagingTemplate.convertAndSend(column(columnId), event(LavagnaEvent.CREATE_COMMENT));
    }

    public void emitUpdateComment(int cardId) {
        messagingTemplate.convertAndSend(cardData(cardId), event(LavagnaEvent.UPDATE_COMMENT));
    }

    public void emitDeleteComment(int columnId, int cardId) {
        messagingTemplate.convertAndSend(cardData(cardId), event(LavagnaEvent.DELETE_COMMENT));
        messagingTemplate.convertAndSend(column(columnId), event(LavagnaEvent.DELETE_COMMENT));
    }

    public void emitUndoDeleteComment(int columnId, int cardId) {
        messagingTemplate.convertAndSend(cardData(cardId), event(LavagnaEvent.UNDO_DELETE_COMMENT));
        messagingTemplate.convertAndSend(column(columnId), event(LavagnaEvent.UNDO_DELETE_COMMENT));
    }

    // ------------ action list handling

    public void emitCreateActionList(int cardId) {
        messagingTemplate.convertAndSend(cardData(cardId), event(LavagnaEvent.CREATE_ACTION_LIST));
    }

    public void emitDeleteActionList(int columnId, int cardId) {
        messagingTemplate.convertAndSend(cardData(cardId), event(LavagnaEvent.DELETE_ACTION_LIST));
        messagingTemplate.convertAndSend(column(columnId), event(LavagnaEvent.DELETE_ACTION_LIST));
    }

    public void emitUpdateActionList(int cardId) {
        messagingTemplate.convertAndSend(cardData(cardId), event(LavagnaEvent.UPDATE_ACTION_LIST));
    }

    public void emitReorderActionLists(int cardId) {
        messagingTemplate.convertAndSend(cardData(cardId), event(LavagnaEvent.REORDER_ACTION_LIST));
    }

    public void emitCreateActionItem(int columnId, int cardId) {
        messagingTemplate.convertAndSend(cardData(cardId), event(LavagnaEvent.CREATE_ACTION_ITEM));
        messagingTemplate.convertAndSend(column(columnId), event(LavagnaEvent.REORDER_ACTION_LIST));
    }

    public void emitDeleteActionItem(int columnId, int cardId) {
        messagingTemplate.convertAndSend(cardData(cardId), event(LavagnaEvent.DELETE_ACTION_ITEM));
        messagingTemplate.convertAndSend(column(columnId), event(LavagnaEvent.DELETE_ACTION_ITEM));
    }

    public void emitToggleActionItem(int columnId, int cardId) {
        messagingTemplate.convertAndSend(cardData(cardId), event(LavagnaEvent.TOGGLE_ACTION_ITEM));
        messagingTemplate.convertAndSend(column(columnId), event(LavagnaEvent.TOGGLE_ACTION_ITEM));
    }

    public void emitUpdateUpdateActionItem(int cardId) {
        messagingTemplate.convertAndSend(cardData(cardId), event(LavagnaEvent.UPDATE_ACTION_ITEM));
    }

    public void emitMoveActionItem(int cardId) {
        messagingTemplate.convertAndSend(cardData(cardId), event(LavagnaEvent.MOVE_ACTION_ITEM));
    }

    public void emitReorderActionItems(int cardId) {
        messagingTemplate.convertAndSend(cardData(cardId), event(LavagnaEvent.REORDER_ACTION_ITEM));
    }

    public void emiteUndoDeleteActionItem(int columnId, int cardId) {
        messagingTemplate.convertAndSend(cardData(cardId), event(LavagnaEvent.UNDO_DELETE_ACTION_ITEM));
        messagingTemplate.convertAndSend(column(columnId), event(LavagnaEvent.UNDO_DELETE_ACTION_ITEM));
    }

    public void emitUndoDeleteActionList(int columnId, int cardId) {
        messagingTemplate.convertAndSend(cardData(cardId), event(LavagnaEvent.UNDO_DELETE_ACTION_LIST));
        messagingTemplate.convertAndSend(column(columnId), event(LavagnaEvent.UNDO_DELETE_ACTION_LIST));

    }

    // ------------
    public void emitUploadFile(int columnId, int cardId) {
        messagingTemplate.convertAndSend(cardData(cardId), event(LavagnaEvent.CREATE_FILE));
        messagingTemplate.convertAndSend(column(columnId), event(LavagnaEvent.CREATE_FILE));
    }

    public void emitDeleteFile(int columnId, int cardId) {
        messagingTemplate.convertAndSend(cardData(cardId), event(LavagnaEvent.DELETE_FILE));
        messagingTemplate.convertAndSend(column(columnId), event(LavagnaEvent.DELETE_FILE));
    }

    public void emiteUndoDeleteFile(int columnId, int cardId) {
        messagingTemplate.convertAndSend(cardData(cardId), event(LavagnaEvent.UNDO_DELETE_FILE));
        messagingTemplate.convertAndSend(column(columnId), event(LavagnaEvent.UNDO_DELETE_FILE));
    }

    // ------------

    private static Triple<Set<Integer>, Set<Integer>, Set<String>> extractFrom(List<CardFull> l) {
        Set<Integer> cardIds = new HashSet<>();
        Set<Integer> columnIds = new HashSet<>();
        Set<String> projectShortNames = new HashSet<>();
        for (CardFull cf : l) {
            cardIds.add(cf.getId());
            columnIds.add(cf.getColumnId());
            projectShortNames.add(cf.getProjectShortName());
        }
        return Triple.of(cardIds, columnIds, projectShortNames);
    }

    public void emitRemoveLabelValueToCards(List<CardFull> affectedCards) {
        sendEventForLabel(affectedCards, LavagnaEvent.REMOVE_LABEL_VALUE);
    }

    private void sendEventForLabel(List<CardFull> affectedCards, LavagnaEvent ev) {
        Triple<Set<Integer>, Set<Integer>, Set<String>> a = extractFrom(affectedCards);
        for (int cardId : a.getLeft()) {
            messagingTemplate.convertAndSend(cardData(cardId), event(ev));
        }
        for (int columnId : a.getMiddle()) {
            messagingTemplate.convertAndSend(column(columnId), event(ev));
        }
        for (String projectShortName : a.getRight()) {
            messagingTemplate.convertAndSend("/event/project/" + projectShortName + "/label-value", event(ev));
        }
    }

    public void emitAddLabelValueToCards(List<CardFull> affectedCards) {
        sendEventForLabel(affectedCards, LavagnaEvent.ADD_LABEL_VALUE_TO_CARD);
    }

    public void emitUpdateOrAddValueToCards(List<CardFull> updated, List<CardFull> added) {
        sendEventForLabel(updated, LavagnaEvent.UPDATE_LABEL_VALUE);
        sendEventForLabel(added, LavagnaEvent.ADD_LABEL_VALUE_TO_CARD);
    }

    public void emitAddLabel(String projectShortName) {
        messagingTemplate.convertAndSend("/event/project/" + projectShortName + "/label",
                event(LavagnaEvent.ADD_LABEL));
        emitProjectMetadataHasChanged(projectShortName);
    }

    public void emitUpdateLabel(String projectShortName, int labelId) {
        messagingTemplate.convertAndSend("/event/project/" + projectShortName + "/label",
                event(LavagnaEvent.UPDATE_LABEL, labelId));
        emitProjectMetadataHasChanged(projectShortName);
    }

    public void emitDeleteLabel(String projectShortName, int labelId) {
        messagingTemplate.convertAndSend("/event/project/" + projectShortName + "/label",
                event(LavagnaEvent.DELETE_LABEL, labelId));
        emitProjectMetadataHasChanged(projectShortName);
    }

    public void emitUpdateLabeListValueId(int labelListValueId) {
        messagingTemplate.convertAndSend("/event/label-list-values/" + labelListValueId,
                event(LavagnaEvent.UPDATE_LABEL_LIST_VALUE, labelListValueId));
    }

    // user profile update
    public void emitUpdateUserProfile(int userId) {
        messagingTemplate.convertAndSend("/event/user", event(LavagnaEvent.UPDATE_USER, userId));
    }

    private void emitProjectMetadataHasChanged(String projectShortName) {
        messagingTemplate.convertAndSend("/event/project/" + projectShortName,
                LavagnaEvent.PROJECT_METADATA_HAS_CHANGED);
    }

    private enum LavagnaEvent {
        CREATE_PROJECT, CREATE_BOARD, //
        UPDATE_PROJECT, UPDATE_BOARD, //
        CREATE_COLUMN, UPDATE_COLUMN, UPDATE_COLUMN_POSITION, //
        CREATE_CARD, UPDATE_CARD, //
        UPDATE_CARD_POSITION, //

        //
        PROJECT_METADATA_HAS_CHANGED,
        //

        // role and permission
        CREATE_ROLE, DELETE_ROLE, UPDATE_PERMISSION_TO_ROLE, ASSIGN_ROLE_TO_USERS, REMOVE_ROLE_TO_USERS,
        //
        UPDATE_DESCRIPTION,
        //
        CREATE_COMMENT, UPDATE_COMMENT, DELETE_COMMENT, UNDO_DELETE_COMMENT,
        //
        CREATE_ACTION_LIST, DELETE_ACTION_LIST, UPDATE_ACTION_LIST, REORDER_ACTION_LIST, UNDO_DELETE_ACTION_LIST,
        //
        CREATE_ACTION_ITEM, DELETE_ACTION_ITEM, TOGGLE_ACTION_ITEM, UPDATE_ACTION_ITEM, MOVE_ACTION_ITEM, REORDER_ACTION_ITEM, UNDO_DELETE_ACTION_ITEM,
        //
        CREATE_FILE, DELETE_FILE, UNDO_DELETE_FILE,
        //
        ADD_LABEL_VALUE_TO_CARD, UPDATE_LABEL_VALUE, REMOVE_LABEL_VALUE, UNDO_REMOVE_LABEL_VALUE, ADD_LABEL, UPDATE_LABEL, DELETE_LABEL,
        //
        UPDATE_USER, UPDATE_LABEL_LIST_VALUE;
    }

    // ------------

    @Getter
    @AllArgsConstructor(access = AccessLevel.PRIVATE)
    public static class Event {
        private final LavagnaEvent type;
        private final Object payload;
    }

    @Getter
    @AllArgsConstructor(access = AccessLevel.PRIVATE)
    public static class ImportEvent {
        private final int currentBoard;
        private final int boards;
        private final String boardName;
    }
}