public async removeEntry()

in gui/frontend/src/data-models/ConnectionDataModel.ts [830:1014]
140 lines of code
40 McCabe index (conditional complexity)

    public async removeEntry(entry: ConnectionDataModelEntry): Promise<void> {
        const actions: Array<{ action: SubscriberAction, entry?: ConnectionDataModelEntry; }> = [];

        switch (entry.type) {
            case CdmEntityType.Connection: {
                const index = this.connections.indexOf(entry);
                if (index >= 0) {
                    await entry.close();
                    const removed = this.connections.splice(index, 1);
                    actions.push({ action: "remove", entry: removed[0] });
                }

                break;
            }

            case CdmEntityType.Schema: {
                const index = entry.parent.schemaEntries.indexOf(entry);
                if (index >= 0) {
                    if (entry.parent.currentSchema === entry.caption) {
                        entry.parent.currentSchema = "";
                    }
                    const removed = entry.parent.schemaEntries.splice(index, 1);

                    actions.push({ action: "remove", entry: removed[0] });
                }

                break;
            }

            case CdmEntityType.Table:
            case CdmEntityType.View:
            case CdmEntityType.StoredFunction:
            case CdmEntityType.StoredProcedure:
            case CdmEntityType.Event:
            case CdmEntityType.Trigger:
            case CdmEntityType.Index:
            case CdmEntityType.ForeignKey: {
                const index = entry.parent.members.indexOf(entry as never);
                if (index >= 0) {
                    const removed = entry.parent.members.splice(index, 1);
                    actions.push({ action: "remove", entry: removed[0] });
                }

                break;
            }

            case CdmEntityType.Column: {
                if (entry.parent.type === CdmEntityType.View) {
                    const index = entry.parent.columns.indexOf(entry);
                    if (index >= 0) {
                        const removed = entry.parent.columns.splice(index, 1);
                        actions.push({ action: "remove", entry: removed[0] });
                    }
                } else {
                    const index = entry.parent.members.indexOf(entry);
                    if (index >= 0) {
                        const removed = entry.parent.members.splice(index, 1);
                        actions.push({ action: "remove", entry: removed[0] });
                    }
                }

                break;
            }

            /* TODO: should we allow to remove the admin entry?
            case CdmEntityType.Admin: {
                delete entry.parent.adminEntry;

                break;
            }*/

            case CdmEntityType.AdminPage: {
                const index = entry.parent.pages.indexOf(entry);
                if (index >= 0) {
                    const removed = entry.parent.pages.splice(index, 1);
                    actions.push({ action: "remove", entry: removed[0] });
                }

                break;
            }

            /* TODO: should we allow to remove the MRS root entry?
            case CdmEntityType.MrsRoot: {
                delete entry.parent.mrsEntry;

                break;
            }*/

            case CdmEntityType.MrsService: {
                const index = entry.parent.services.indexOf(entry);
                if (index >= 0) {
                    const removed = entry.parent.services.splice(index, 1);
                    actions.push({ action: "remove", entry: removed[0] });
                }

                break;
            }

            case CdmEntityType.MrsSchema: {
                const index = entry.parent.schemas.indexOf(entry);
                if (index >= 0) {
                    const removed = entry.parent.schemas.splice(index, 1);
                    actions.push({ action: "remove", entry: removed[0] });
                }

                break;
            }

            case CdmEntityType.MrsContentSet: {
                const index = entry.parent.contentSets.indexOf(entry);
                if (index >= 0) {
                    const removed = entry.parent.contentSets.splice(index, 1);
                    actions.push({ action: "remove", entry: removed[0] });
                }

                break;
            }

            case CdmEntityType.MrsUser: {
                const index = entry.parent.users.indexOf(entry);
                if (index >= 0) {
                    const removed = entry.parent.users.splice(index, 1);
                    actions.push({ action: "remove", entry: removed[0] });
                }

                break;
            }

            case CdmEntityType.MrsAuthApp: {
                const index = entry.parent.authApps.indexOf(entry);
                if (index >= 0) {
                    const removed = entry.parent.authApps.splice(index, 1);
                    actions.push({ action: "remove", entry: removed[0] });
                }

                break;
            }

            case CdmEntityType.MrsServiceAuthApp: {
                const index = entry.parent.authApps.indexOf(entry);
                if (index >= 0) {
                    const removed = entry.parent.authApps.splice(index, 1);
                    actions.push({ action: "remove", entry: removed[0] });
                }

                break;
            }

            case CdmEntityType.MrsContentFile: {
                const index = entry.parent.files.indexOf(entry);
                if (index >= 0) {
                    const removed = entry.parent.files.splice(index, 1);
                    actions.push({ action: "remove", entry: removed[0] });
                }

                break;
            }

            case CdmEntityType.MrsDbObject: {
                const index = entry.parent.dbObjects.indexOf(entry);
                if (index >= 0) {
                    const removed = entry.parent.dbObjects.splice(index, 1);
                    actions.push({ action: "remove", entry: removed[0] });
                }

                break;
            }

            case CdmEntityType.MrsRouter: {
                const index = entry.parent.routers.indexOf(entry);
                if (index >= 0) {
                    const removed = entry.parent.routers.splice(index, 1);
                    actions.push({ action: "remove", entry: removed[0] });
                }

                break;
            }

            default: {
                throw new Error(`Invalid entry ${entry.caption} given for removal.`);
            }
        }

        this.notifySubscribers(actions);
    }