src/app/store/statements/selectors/workflow-form/workflow-form.selectors.ts

/********************************************************************************
 * Copyright (c) 2020 Contributors to the Eclipse Foundation
 *
 * See the NOTICE file(s) distributed with this work for additional
 * information regarding copyright ownership.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License 2.0 which is available at
 * http://www.eclipse.org/legal/epl-2.0
 *
 * SPDX-License-Identifier: EPL-2.0
 ********************************************************************************/

import {createSelector} from "@ngrx/store";
import {ISelectOption, ISelectOptionGroup} from "../../../../shared/controls/select";
import {arrayJoin, objectToArray} from "../../../../util/store";
import {IDepartmentOptionValue, IWorkflowFormValue} from "../../model";
import {getStatementDepartmentConfigurationSelector} from "../statement-configuration.selectors";
import {statementParentIdsSelector, statementWorkflowSelector} from "../statement.selectors";

export const departmentGroupsObjectSelector = createSelector(
    getStatementDepartmentConfigurationSelector,
    statementWorkflowSelector,
    (configuration, workflow) => {
        return configuration?.allDepartments != null ? configuration.allDepartments : workflow?.selectedDepartments;
    }
);

export const selectedDepartmentGroupsObjectSelector = createSelector(
    getStatementDepartmentConfigurationSelector,
    statementWorkflowSelector,
    (configuration, workflow) => {
        return workflow?.selectedDepartments == null ? configuration?.suggestedDepartments : workflow.selectedDepartments;
    }
);

export const departmentGroupsSelector = createSelector(
    departmentGroupsObjectSelector,
    (departmentGroupsObject): ISelectOptionGroup<IDepartmentOptionValue>[] => {
        return objectToArray(departmentGroupsObject)
            .filter((obj) => obj.key != null)
            .sort((a, b) => a.key.localeCompare(b.key))
            .map<ISelectOptionGroup>((obj) => {
                return {
                    label: obj.key,
                    options: [...obj.value].sort().map((name) => ({groupName: obj.key, name}))
                };
            });
    }
);

export const departmentOptionsSelector = createSelector(
    departmentGroupsSelector,
    (groups): ISelectOption<IDepartmentOptionValue>[] => {
        const groupOptions = groups.map<IDepartmentOptionValue[]>((group) => group.options);
        return arrayJoin(...groupOptions).map((value) => ({label: value.name, value}));
    }
);

export const selectedDepartmentSelector = createSelector(
    selectedDepartmentGroupsObjectSelector,
    departmentGroupsSelector,
    (selectedGroupObject, groups): IDepartmentOptionValue[] => {
        const groupOptions = (Array.isArray(groups) && selectedGroupObject != null ? groups : [])
            .filter((group) => Array.isArray(selectedGroupObject[group.label]))
            .map<IDepartmentOptionValue[]>((group) => {
                return group.options.filter((option) => {
                    return selectedGroupObject[group.label].find((name) => name === option.name) != null;
                });
            });
        return arrayJoin(...groupOptions);
    }
);


export const workflowFormValueSelector = createSelector(
    statementWorkflowSelector,
    selectedDepartmentSelector,
    statementParentIdsSelector,
    (workflow, departments, parentIds): IWorkflowFormValue => {
        return {
            departments: arrayJoin(departments),
            geographicPosition: workflow?.geoPosition,
            parentIds: arrayJoin(parentIds)
        };
    }
);