trilium/src/public/app/widgets/shared_switch.js

import SwitchWidget from "./switch.js";
import branchService from "../services/branches.js";
import server from "../services/server.js";
import utils from "../services/utils.js";
import syncService from "../services/sync.js";
import dialogService from "../services/dialog.js";

export default class SharedSwitchWidget extends SwitchWidget {
    isEnabled() {
        return super.isEnabled()
            && !['root', '_share', '_hidden'].includes(this.noteId);
    }

    doRender() {
        super.doRender();

        this.$switchOnName.text("Shared");
        this.$switchOnButton.attr("title", "Share the note");

        this.$switchOffName.text("Shared");
        this.$switchOffButton.attr("title", "Unshare the note");

        this.$helpButton.attr("data-help-page", "Sharing").show();
        this.$helpButton.on('click', e => utils.openHelp(e));
    }

    async switchOn() {
        await branchService.cloneNoteToParentNote(this.noteId, '_share');

        syncService.syncNow(true);
    }

    async switchOff() {
        const shareBranch = this.note.getParentBranches().find(b => b.parentNoteId === '_share');

        if (!shareBranch) {
            return;
        }

        if (this.note.getParentBranches().length === 1) {
            const text = "This note exists only as a shared note, unsharing would delete it. Do you want to continue and thus delete this note?";

            if (!await dialogService.confirm(text)) {
                return;
            }
        }

        await server.remove(`branches/${shareBranch.branchId}?taskId=no-progress-reporting`);

        syncService.syncNow(true);
    }

    async refreshWithNote(note) {
        const isShared = note.hasAncestor('_share');
        const canBeUnshared = isShared && note.getParentBranches().find(b => b.parentNoteId === '_share');
        const switchDisabled = isShared && !canBeUnshared;

        this.$switchOn.toggle(!isShared);
        this.$switchOff.toggle(!!isShared);

        if (switchDisabled) {
            this.$widget.attr("title", "Note cannot be unshared here because it is shared through inheritance from an ancestor.");
            this.$switchOff.addClass("switch-disabled");
        }
        else {
            this.$widget.removeAttr("title");
            this.$switchOff.removeClass("switch-disabled");
        }
    }

    entitiesReloadedEvent({loadResults}) {
        if (loadResults.getBranches().find(b => b.noteId === this.noteId)) {
            this.refresh();
        }
    }
}