@c8y/ngx-components
Version:
Angular modules for Cumulocity IoT applications
121 lines • 15 kB
JavaScript
import { cloneDeep } from 'lodash-es';
import { BehaviorSubject } from 'rxjs';
import { DismissAlertStrategy } from './dynamic-component-alert.model';
/**
* Order of widget alerts due to alerts severity.
*/
const WIDGET_ALERTS_ORDER = [
'danger',
'warning',
'info',
'system',
'success'
];
export class DynamicComponentAlertAggregator {
constructor(alerts = []) {
this.anyAlertExistsSubject = new BehaviorSubject(false);
this.anyAlertExists$ = this.anyAlertExistsSubject.asObservable();
this.initAlertsGroups();
this.setAlerts(alerts);
}
/**
* Adds alert to aggregator.
*
* @param {DynamicComponentAlert[]} alerts List of alerts that should be added to aggregator.
*
*/
addAlerts(...alerts) {
this.setAlerts(alerts);
}
/**
* Remove alerts in group by provided alert type or removes all alerts when no param is provided.
*
* @param {AlertType} type Type of alerts group that should be removed.
*
*/
clear(type) {
if (type) {
this.aggregatedAlertsData.get(type).alerts = [];
}
else {
this.aggregatedAlertsData.forEach(value => (value.alerts = []));
}
this.onDataChanged();
}
/**
* Sets possibility of alert to be dismissed in specific way.
*
* @param {AlertType} alertType Type of alerts for which the dismissal strategy should be set.
* @param {dismissStrategy} dismissStrategy Type of dismissal strategy that will be set for the alert type.
*
*/
setAlertGroupDismissStrategy(alertType, dismissStrategy) {
this.aggregatedAlertsData.get(alertType).alertDismissal.dismissStrategy = dismissStrategy;
this.onDataChanged();
}
/**
* Removes alerts in group due to dismissal dismissStrategy and sets userDismissalChoice property.
* If group has dismissal strategy declared as TEMPORARY_OR_PERMANENT, its userDismissalChoice property can be set to
* REMIND_ALLOWED or REMIND_DISALLOWED depending on parameter.
*
* @param {AlertType} alertType Type of alerts group that should be dismissed.
* @param {boolean} permanent Determines whether the dismissal of alerts of a given type is permanent.
*
*/
dismissAlertGroup(alertType, isPermanent = false) {
const groupDismissStrategy = this.aggregatedAlertsData.get(alertType).alertDismissal.dismissStrategy;
switch (groupDismissStrategy) {
case DismissAlertStrategy.NONE:
return;
case DismissAlertStrategy.TEMPORARY:
this.aggregatedAlertsData.get(alertType).alertDismissal.userDismissalChoice =
'REMIND_ALLOWED';
break;
case DismissAlertStrategy.TEMPORARY_OR_PERMANENT:
this.aggregatedAlertsData.get(alertType).alertDismissal.userDismissalChoice = isPermanent
? 'REMIND_DISALLOWED'
: 'REMIND_ALLOWED';
}
this.clear(alertType);
}
/**
* Alert aggregator as a widget property should not be serialized and stored in database.
*/
toJSON() {
return undefined;
}
initAlertsGroups() {
this.aggregatedAlertsData = new Map(WIDGET_ALERTS_ORDER.map(alertType => {
return [
alertType,
{
alerts: [],
alertDismissal: { dismissStrategy: DismissAlertStrategy.NONE }
}
];
}));
}
setAlerts(alerts) {
alerts.forEach(alert => {
if (this.aggregatedAlertsData.get(alert.type).alertDismissal.userDismissalChoice ===
'REMIND_DISALLOWED') {
return;
}
if (!this.aggregatedAlertsData.get(alert.type)) {
this.aggregatedAlertsData.get(alert.type).alerts = [];
}
this.aggregatedAlertsData.get(alert.type).alerts.push(alert);
});
this.onDataChanged();
}
onDataChanged() {
this.alertGroups = [...cloneDeep(this.aggregatedAlertsData)].map(([key, value]) => ({
type: key,
value
}));
queueMicrotask(() => {
this.anyAlertExistsSubject.next(this.alertGroups.some(({ value }) => !!value.alerts.length));
});
}
}
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{ cloneDeep } from 'lodash-es';\nimport { Observable, BehaviorSubject } from 'rxjs';\nimport {\n  AlertGroupData,\n  DismissAlertStrategy,\n  DynamicComponentAlert\n} from './dynamic-component-alert.model';\nimport { AlertType } from '../alert';\n\n/**\n * Order of widget alerts due to alerts severity.\n */\nconst WIDGET_ALERTS_ORDER = [\n  'danger',\n  'warning',\n  'info',\n  'system',\n  'success'\n] as const satisfies ReadonlyArray<AlertType>;\n\nexport class DynamicComponentAlertAggregator {\n  anyAlertExists$: Observable<boolean>;\n  /**\n   * Array containing grouped alerts with data necessary to display alerts and whether alert group should be dismissible.\n   */\n  alertGroups: Array<{\n    type: AlertType;\n    value: AlertGroupData;\n  }>;\n  /**\n   * Private Map of alerts data.\n   */\n  private aggregatedAlertsData: Map<AlertType, AlertGroupData>;\n  private anyAlertExistsSubject = new BehaviorSubject<boolean>(false);\n\n  constructor(alerts: DynamicComponentAlert[] = []) {\n    this.anyAlertExists$ = this.anyAlertExistsSubject.asObservable();\n    this.initAlertsGroups();\n    this.setAlerts(alerts);\n  }\n\n  /**\n   * Adds alert to aggregator.\n   *\n   * @param {DynamicComponentAlert[]} alerts List of alerts that should be added to aggregator.\n   *\n   */\n  addAlerts(...alerts: DynamicComponentAlert[]) {\n    this.setAlerts(alerts);\n  }\n\n  /**\n   * Remove alerts in group by provided alert type or removes all alerts when no param is provided.\n   *\n   * @param {AlertType} type Type of alerts group that should be removed.\n   *\n   */\n  clear(type?: AlertType) {\n    if (type) {\n      this.aggregatedAlertsData.get(type).alerts = [];\n    } else {\n      this.aggregatedAlertsData.forEach(value => (value.alerts = []));\n    }\n    this.onDataChanged();\n  }\n\n  /**\n   * Sets possibility of alert to be dismissed in specific way.\n   *\n   * @param {AlertType} alertType Type of alerts for which the dismissal strategy should be set.\n   * @param {dismissStrategy} dismissStrategy Type of dismissal strategy that will be set for the alert type.\n   *\n   */\n  setAlertGroupDismissStrategy(alertType: AlertType, dismissStrategy: DismissAlertStrategy) {\n    this.aggregatedAlertsData.get(alertType).alertDismissal.dismissStrategy = dismissStrategy;\n    this.onDataChanged();\n  }\n\n  /**\n   * Removes alerts in group due to dismissal dismissStrategy and sets userDismissalChoice property.\n   * If group has dismissal strategy declared as TEMPORARY_OR_PERMANENT, its userDismissalChoice property can be set to\n   * REMIND_ALLOWED or REMIND_DISALLOWED depending on parameter.\n   *\n   * @param {AlertType} alertType Type of alerts group that should be dismissed.\n   * @param {boolean} permanent Determines whether the dismissal of alerts of a given type is permanent.\n   *\n   */\n  dismissAlertGroup(alertType: AlertType, isPermanent = false) {\n    const groupDismissStrategy =\n      this.aggregatedAlertsData.get(alertType).alertDismissal.dismissStrategy;\n\n    switch (groupDismissStrategy) {\n      case DismissAlertStrategy.NONE:\n        return;\n      case DismissAlertStrategy.TEMPORARY:\n        this.aggregatedAlertsData.get(alertType).alertDismissal.userDismissalChoice =\n          'REMIND_ALLOWED';\n        break;\n      case DismissAlertStrategy.TEMPORARY_OR_PERMANENT:\n        this.aggregatedAlertsData.get(alertType).alertDismissal.userDismissalChoice = isPermanent\n          ? 'REMIND_DISALLOWED'\n          : 'REMIND_ALLOWED';\n    }\n\n    this.clear(alertType);\n  }\n\n  /**\n   * Alert aggregator as a widget property should not be serialized and stored in database.\n   */\n  toJSON() {\n    return undefined;\n  }\n\n  private initAlertsGroups() {\n    this.aggregatedAlertsData = new Map(\n      WIDGET_ALERTS_ORDER.map(alertType => {\n        return [\n          alertType,\n          {\n            alerts: [],\n            alertDismissal: { dismissStrategy: DismissAlertStrategy.NONE }\n          } as AlertGroupData\n        ];\n      })\n    );\n  }\n\n  private setAlerts(alerts: DynamicComponentAlert[]) {\n    alerts.forEach(alert => {\n      if (\n        this.aggregatedAlertsData.get(alert.type).alertDismissal.userDismissalChoice ===\n        'REMIND_DISALLOWED'\n      ) {\n        return;\n      }\n      if (!this.aggregatedAlertsData.get(alert.type)) {\n        this.aggregatedAlertsData.get(alert.type).alerts = [];\n      }\n      this.aggregatedAlertsData.get(alert.type).alerts.push(alert);\n    });\n    this.onDataChanged();\n  }\n\n  private onDataChanged() {\n    this.alertGroups = [...cloneDeep(this.aggregatedAlertsData)].map(([key, value]) => ({\n      type: key,\n      value\n    }));\n    queueMicrotask(() => {\n      this.anyAlertExistsSubject.next(this.alertGroups.some(({ value }) => !!value.alerts.length));\n    });\n  }\n}\n"]}