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@c8y/ngx-components

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Angular modules for Cumulocity IoT applications

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import { Injectable } from '@angular/core'; import { AlarmStatus, Severity, SEVERITY_LABELS } from '@c8y/client'; import { AlarmsViewService } from '@c8y/ngx-components/alarms'; import { ALARM_ORDER_VALUES, RECENT_ALARMS_WIDGET_ID } from './alarm-list-widget.model'; import * as i0 from "@angular/core"; import * as i1 from "@c8y/ngx-components/alarms"; export const DEFAULT_PAGE_SIZE = 20; export class AlarmWidgetService { constructor(alarmsViewService) { this.alarmsViewService = alarmsViewService; } /** * Checks if the provided data follows the LegacyAlarmConfig structure. * * This function determines if a given data object is an instance of LegacyAlarmConfig * by checking for the presence of the 'options' property. * * @param data - The data object to be checked. * @returns - Returns `true` if the data object is a LegacyAlarmConfig, otherwise `false`. */ isOldAlarmConfigStructure(data) { return data !== null && typeof data === 'object' && 'options' in data; } /** * Creates predefined widget configuration object. * * This method creates a new configuration object based on * a widgets ID (that determines if is a legacy Recent or Critical alarms widget). * * @param isIntervalRefresh - determines a type of a refresh. * @param widgetId - determines if a config should be done for Recent or Critical alarms widget. * @returns The new, predefined configuration object. */ getPredefinedConfiguration(isIntervalRefresh, widgetId) { return { order: ALARM_ORDER_VALUES.BY_ACTIVE, severities: widgetId === RECENT_ALARMS_WIDGET_ID ? { [Severity.CRITICAL]: true, [Severity.MAJOR]: true, [Severity.MINOR]: true, [Severity.WARNING]: true } : { [Severity.CRITICAL]: true, [Severity.MAJOR]: false, [Severity.MINOR]: false, [Severity.WARNING]: false }, status: widgetId === RECENT_ALARMS_WIDGET_ID ? { [AlarmStatus.ACKNOWLEDGED]: true, [AlarmStatus.ACTIVE]: true, [AlarmStatus.CLEARED]: true } : { [AlarmStatus.ACKNOWLEDGED]: false, [AlarmStatus.ACTIVE]: true, [AlarmStatus.CLEARED]: false }, types: [''], isRealtime: !isIntervalRefresh, isAutoRefreshEnabled: true, refreshInterval: isIntervalRefresh ? this.alarmsViewService.DEFAULT_INTERVAL_VALUE : undefined }; } /** * Transforms a LegacyAlarmConfig object into an AlarmListWidgetConfig object. * * This function maps the properties from an old configuration structure (LegacyAlarmConfig) * to a new configuration structure (AlarmListWidgetConfig). * * @param oldConfig - The old configuration object to be transformed. * @returns - The new configuration object mapped from the old one. */ mapToNewConfigStructure(oldConfig, isIntervalRefresh) { const order = oldConfig.options.orderMode === 'ACTIVE_FIRST' ? ALARM_ORDER_VALUES.BY_ACTIVE : ALARM_ORDER_VALUES.BY_SEVERITY; if (!this.isContainingAllSeverityTypes(oldConfig.options.severity)) { oldConfig.options.severity = this.addAllMissingSeverityTypes(oldConfig.options.severity); } return { order: order, isRealtime: oldConfig.realtime, device: oldConfig.device, showAlarmsForChildren: false, severities: oldConfig.options.severity, status: this.allValuesFalse(oldConfig.options.status) ? { [AlarmStatus.ACKNOWLEDGED]: true, [AlarmStatus.ACTIVE]: true, [AlarmStatus.CLEARED]: true } : oldConfig.options.status, types: oldConfig.options.types?.length ? oldConfig.options.types : [''], isAutoRefreshEnabled: true, refreshInterval: isIntervalRefresh ? this.alarmsViewService.DEFAULT_INTERVAL_VALUE : undefined }; } /** * Checks if the provided severity object contains all the predefined severity types. * * @param severity - A record object where keys are severity type strings and values are boolean. * - This object is checked against the predefined severity types. * @returns `true` if all predefined severity types are present in the severity object; otherwise, `false`. */ isContainingAllSeverityTypes(severity) { return Object.keys(SEVERITY_LABELS).every(severityType => severityType in severity); } /** * Adds any missing severity types to the provided severity object with a default value of `false`. * * @param severity - A record object where keys are severity type strings and values are boolean. * - Missing severity types will be added to this object. * @returns The modified severity object, which includes all predefined severity types, adding any * that were missing with a value of `false`. */ addAllMissingSeverityTypes(severity) { Object.keys(SEVERITY_LABELS).forEach(severityType => { if (!(severityType in severity)) { severity[severityType] = false; } }); return severity; } /** * Maps an AlarmListWidgetConfig object to an AlarmQueryFilter. * * This function converts the provided AlarmListWidgetConfig into a format suitable for querying alarms. * * @param config - The configuration object for the alarm list widget. * @param pageSize - Optional number specifying the size of the pages to be returned in the query. * @returns - The query filter object constructed from the provided configuration. */ mapConfigToQueryFilter(config, pageSize) { const filter = { pageSize: pageSize || DEFAULT_PAGE_SIZE, query: this.getOrderParameters(config.order), severity: this.extractFilterParams(config.severities || {}), status: this.extractFilterParams(config.status || {}), type: (config.types || []).join(','), withTotalPages: true }; if (config.dateFilter) { filter.lastUpdatedFrom = typeof config.dateFilter[0] === 'string' ? config.dateFilter[0] : config.dateFilter[0].toISOString(); filter.createdTo = typeof config.dateFilter[1] === 'string' ? config.dateFilter[1] : config.dateFilter[1].toISOString(); } if (config.device) { filter.source = config.device.id; filter.withSourceAssets = true; filter.withSourceDevices = true; filter.withSourceAssets = config.showAlarmsForChildren ?? true; filter.withSourceDevices = config.showAlarmsForChildren ?? true; } return filter; } /** * Extracts and concatenates filter parameters from a given object. * * This function takes an object containing filter settings (either SeverityFilter * or AlarmStatusSettings) and returns a string of all keys where the corresponding value is true. * If the object is empty or null, an empty string is returned. * * @param obj - The object containing filter settings. * @returns - A concatenated string of keys with true values, separated by commas. */ extractFilterParams(obj) { if (!obj) { return ''; } return Object.entries(obj) .filter(([, value]) => value) .map(([key]) => key) .join(','); } /** * Determines if an incoming real-time alarm has a different status than an existing alarm. * * This function checks if the provided incoming real-time alarm's status differs * from that of an existing alarm with the same ID in the given array of alarms. * * @param existingAlarms - The array of existing alarms. * @param incomingRealtimeAlarm - The incoming real-time alarm to check. * @returns - True if the existing alarm's status has changed, otherwise false. */ hasExistingAlarmChangedStatus(existingAlarms, incomingRealtimeAlarm) { const existingAlarm = existingAlarms.find(alarm => alarm.id === incomingRealtimeAlarm.id); return !!existingAlarm && existingAlarm.status !== incomingRealtimeAlarm.status; } /** * Filters alarms based on their status, severity, and type. * * This method determines if a given alarm, identified either by a numeric ID or an `IAlarm` object, * matches specific criteria defined in `alarms` and optionally `config`. * * @param alarm - The alarm to check, represented either by a numeric ID or an `IAlarm` object. * @param alarms - An array of `IAlarm` objects against which the given alarm is evaluated. * @param config - Optional. Configuration for the alarm list widget, used to define additional * filtering criteria. * * @returns `true` if the alarm matches the specified criteria; otherwise, `false`. * If `alarm` is a number, it always returns `false`. * If `config` is not provided, it uses a legacy filter for critical alarms. * * @remarks * - When `alarm` is a numeric ID, the function returns `false` as it cannot match against type and severity. * - If `config` is not provided, the function assumes a legacy scenario for filtering all critical alarms. */ filterAlarmsByStatusSeverityAndType(alarm, alarms, config) { if (typeof alarm === 'number') { return false; } return this.isAlarmMatchedByConfig(alarm, alarms, config); } /** * Determines if all values in the given object are false. * * This function checks every value in the provided object to see if they are all false. * * @param obj - An object with boolean values. * @returns - Returns `true` if all values in the object are false, otherwise `false`. */ allValuesFalse(obj) { return Object.values(obj).every(value => !value); } /** * Constructs a string of order parameters for a query based on the specified alarm order. * * This function takes an alarm order and maps it to a corresponding set of order parameters. * It supports different ordering types, such as BY_ACTIVE, BY_SEVERITY, and BY_DATE_ASCENDING. * The order parameters are used to construct a query string that determines the order * in which alarms are retrieved or displayed. * * @param order - The specified order for sorting alarms (e.g., BY_ACTIVE). * @returns - A string of order parameters to be used in a query, or an empty string if the order type is unrecognized. */ getOrderParameters(order) { let orderParams; switch (order) { case ALARM_ORDER_VALUES.BY_ACTIVE: orderParams = ['status asc', 'severity asc', 'time.date desc', 'text asc']; return this.buildOrderParameters(orderParams); case ALARM_ORDER_VALUES.BY_SEVERITY: orderParams = ['severity asc', 'time.date desc', 'text asc']; return this.buildOrderParameters(orderParams); case ALARM_ORDER_VALUES.BY_DATE_ASCENDING: orderParams = ['time.date asc', 'text asc']; return this.buildOrderParameters(orderParams); default: orderParams = ['time.date desc', 'text asc']; return this.buildOrderParameters(orderParams); } } /** * Determines if an alarm is matched by the specified widget configuration. * * This function evaluates whether a given alarm should be included based on the severity, * status, and type filters defined in the AlarmListWidgetConfig. It checks if the alarm's * severity and status match the configuration settings and if the alarm's type is included * in the configuration's types (if specified). * * @ignore * @param alarm - The alarm to evaluate. * @param alarms - An array of existing alarms, used for status matching. * @param config - The configuration settings to match against. * @returns - Returns `true` if the alarm matches the configuration criteria; otherwise, `false`. */ isAlarmMatchedByConfig(alarm, alarms, config) { const isSeverityMatched = this.isSeverityMatching(alarm.severity, config); const isStatusMatched = this.isStatusMatching(alarm, alarms, config); const isTypeMatched = this.isTypesMatching(config, alarm); return isSeverityMatched && isStatusMatched && isTypeMatched; } /** * Checks if the severity of an alarm matches the configuration setting. * * This function determines whether the severity of an alarm is included in the * severity settings defined in the AlarmListWidgetConfig. * * @ignore * @param severity - The severity of the alarm to check. * @param config - The configuration with severity settings. * @returns - Returns `true` if the alarm's severity matches the configuration; otherwise, `false`. */ isSeverityMatching(severity, config) { return !!config.severities[severity]; } /** * Evaluates if the status of an alarm matches the configuration setting or has changed. * * This function checks if the status of an alarm is included in the status settings defined in * the AlarmListWidgetConfig, or if the alarm's status has changed based on the existing alarms. * * @ignore * @param alarm - The alarm whose status is to be evaluated. * @param alarms - An array of existing alarms to compare against for status changes. * @param config - The configuration with status settings. * @returns - Returns `true` if the alarm's status matches or has changed as per the configuration; otherwise, `false`. */ isStatusMatching(alarm, alarms, config) { return !!config.status[alarm.status] || this.hasExistingAlarmChangedStatus(alarms, alarm); } /** * Checks if the configuration's types array contains only empty string or includes a specific alarm type. * * @param config - The configuration object with a `types` property. * @param alarm - The alarm object with a `type` property to check against the config's types. * @returns `true` if the config's types array contains only empty string or includes the alarm's type, otherwise `false`. */ isTypesMatching(config, alarm) { return Array.isArray(config.types) && config.types.length === 1 && config.types[0] === '' ? true : config.types?.includes(alarm.type) ?? false; } /** * Constructs a query string from an array of order parameters. * * This function takes an array of ordering parameters and constructs a query string * for use in alarm ordering queries. The parameters are concatenated into a single string, * prefixed with '$orderby='. * * @ignore * @private * @param orderParams - The order parameters to be included in the query. * @returns - A query string representing the order parameters. */ buildOrderParameters(orderParams) { return `$orderby=${orderParams.join(',')}`; } static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "18.2.13", ngImport: i0, type: AlarmWidgetService, deps: [{ token: i1.AlarmsViewService }], target: i0.ɵɵFactoryTarget.Injectable }); } static { this.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "18.2.13", ngImport: i0, type: AlarmWidgetService, providedIn: 'root' }); } } i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "18.2.13", ngImport: i0, type: AlarmWidgetService, decorators: [{ type: Injectable, args: [{ providedIn: 'root' }] }], ctorParameters: () => [{ type: i1.AlarmsViewService }] }); //# 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{ Injectable } from '@angular/core';\nimport {\n  AlarmQueryFilter,\n  AlarmStatusSettings,\n  AlarmStatus,\n  IAlarm,\n  Severity,\n  SeverityFilter,\n  SEVERITY_LABELS\n} from '@c8y/client';\n\nimport { SeveritySettings, SeverityType } from '@c8y/client';\nimport { AlarmsViewService } from '@c8y/ngx-components/alarms';\nimport {\n  ALARM_ORDER_VALUES,\n  AlarmListWidgetConfig,\n  AlarmOrderType,\n  LegacyAlarmListConfig,\n  RECENT_ALARMS_WIDGET_ID\n} from './alarm-list-widget.model';\n\nexport const DEFAULT_PAGE_SIZE = 20;\n\n@Injectable({ providedIn: 'root' })\nexport class AlarmWidgetService {\n  constructor(private alarmsViewService: AlarmsViewService) {}\n\n  /**\n   * Checks if the provided data follows the LegacyAlarmConfig structure.\n   *\n   * This function determines if a given data object is an instance of LegacyAlarmConfig\n   * by checking for the presence of the 'options' property.\n   *\n   * @param data - The data object to be checked.\n   * @returns - Returns `true` if the data object is a LegacyAlarmConfig, otherwise `false`.\n   */\n  isOldAlarmConfigStructure(\n    data: LegacyAlarmListConfig | AlarmListWidgetConfig\n  ): data is LegacyAlarmListConfig {\n    return data !== null && typeof data === 'object' && 'options' in data;\n  }\n\n  /**\n   * Creates predefined widget configuration object.\n   *\n   * This method creates a new configuration object based on\n   * a widgets ID (that determines if is a legacy Recent or Critical alarms widget).\n   *\n   * @param isIntervalRefresh - determines a type of a refresh.\n   * @param widgetId - determines if a config should be done for Recent or Critical alarms widget.\n   * @returns The new, predefined configuration object.\n   */\n  getPredefinedConfiguration(isIntervalRefresh: boolean, widgetId?: string): AlarmListWidgetConfig {\n    return {\n      order: ALARM_ORDER_VALUES.BY_ACTIVE,\n      severities:\n        widgetId === RECENT_ALARMS_WIDGET_ID\n          ? ({\n              [Severity.CRITICAL]: true,\n              [Severity.MAJOR]: true,\n              [Severity.MINOR]: true,\n              [Severity.WARNING]: true\n            } as SeveritySettings)\n          : ({\n              [Severity.CRITICAL]: true,\n              [Severity.MAJOR]: false,\n              [Severity.MINOR]: false,\n              [Severity.WARNING]: false\n            } as SeveritySettings),\n      status:\n        widgetId === RECENT_ALARMS_WIDGET_ID\n          ? ({\n              [AlarmStatus.ACKNOWLEDGED]: true,\n              [AlarmStatus.ACTIVE]: true,\n              [AlarmStatus.CLEARED]: true\n            } as AlarmStatusSettings)\n          : ({\n              [AlarmStatus.ACKNOWLEDGED]: false,\n              [AlarmStatus.ACTIVE]: true,\n              [AlarmStatus.CLEARED]: false\n            } as AlarmStatusSettings),\n      types: [''],\n      isRealtime: !isIntervalRefresh,\n      isAutoRefreshEnabled: true,\n      refreshInterval: isIntervalRefresh ? this.alarmsViewService.DEFAULT_INTERVAL_VALUE : undefined\n    };\n  }\n\n  /**\n   * Transforms a LegacyAlarmConfig object into an AlarmListWidgetConfig object.\n   *\n   * This function maps the properties from an old configuration structure (LegacyAlarmConfig)\n   * to a new configuration structure (AlarmListWidgetConfig).\n   *\n   * @param oldConfig - The old configuration object to be transformed.\n   * @returns - The new configuration object mapped from the old one.\n   */\n  mapToNewConfigStructure(\n    oldConfig: LegacyAlarmListConfig,\n    isIntervalRefresh: boolean\n  ): AlarmListWidgetConfig {\n    const order: AlarmOrderType =\n      oldConfig.options.orderMode === 'ACTIVE_FIRST'\n        ? ALARM_ORDER_VALUES.BY_ACTIVE\n        : ALARM_ORDER_VALUES.BY_SEVERITY;\n\n    if (!this.isContainingAllSeverityTypes(oldConfig.options.severity)) {\n      oldConfig.options.severity = this.addAllMissingSeverityTypes(oldConfig.options.severity);\n    }\n\n    return {\n      order: order,\n      isRealtime: oldConfig.realtime,\n      device: oldConfig.device,\n      showAlarmsForChildren: false,\n      severities: oldConfig.options.severity,\n      status: this.allValuesFalse(oldConfig.options.status)\n        ? ({\n            [AlarmStatus.ACKNOWLEDGED]: true,\n            [AlarmStatus.ACTIVE]: true,\n            [AlarmStatus.CLEARED]: true\n          } as AlarmStatusSettings)\n        : oldConfig.options.status,\n      types: oldConfig.options.types?.length ? oldConfig.options.types : [''],\n      isAutoRefreshEnabled: true,\n      refreshInterval: isIntervalRefresh ? this.alarmsViewService.DEFAULT_INTERVAL_VALUE : undefined\n    };\n  }\n\n  /**\n   * Checks if the provided severity object contains all the predefined severity types.\n   *\n   * @param severity - A record object where keys are severity type strings and values are boolean.\n   *                 - This object is checked against the predefined severity types.\n   * @returns `true` if all predefined severity types are present in the severity object; otherwise, `false`.\n   */\n  isContainingAllSeverityTypes(severity: SeverityFilter): boolean {\n    return Object.keys(SEVERITY_LABELS).every(severityType => severityType in severity);\n  }\n\n  /**\n   * Adds any missing severity types to the provided severity object with a default value of `false`.\n   *\n   * @param severity - A record object where keys are severity type strings and values are boolean.\n   *                 - Missing severity types will be added to this object.\n   * @returns The modified severity object, which includes all predefined severity types, adding any\n   *          that were missing with a value of `false`.\n   */\n  addAllMissingSeverityTypes(severity: SeverityFilter): SeverityFilter {\n    Object.keys(SEVERITY_LABELS).forEach(severityType => {\n      if (!(severityType in severity)) {\n        severity[severityType] = false;\n      }\n    });\n    return severity;\n  }\n\n  /**\n   * Maps an AlarmListWidgetConfig object to an AlarmQueryFilter.\n   *\n   * This function converts the provided AlarmListWidgetConfig into a format suitable for querying alarms.\n   *\n   * @param config - The configuration object for the alarm list widget.\n   * @param pageSize - Optional number specifying the size of the pages to be returned in the query.\n   * @returns - The query filter object constructed from the provided configuration.\n   */\n  mapConfigToQueryFilter(config: AlarmListWidgetConfig, pageSize?: number): AlarmQueryFilter {\n    const filter: AlarmQueryFilter = {\n      pageSize: pageSize || DEFAULT_PAGE_SIZE,\n      query: this.getOrderParameters(config.order),\n      severity: this.extractFilterParams(config.severities || {}),\n      status: this.extractFilterParams(config.status || {}),\n      type: (config.types || []).join(','),\n      withTotalPages: true\n    };\n    if (config.dateFilter) {\n      filter.lastUpdatedFrom =\n        typeof config.dateFilter[0] === 'string'\n          ? config.dateFilter[0]\n          : config.dateFilter[0].toISOString();\n      filter.createdTo =\n        typeof config.dateFilter[1] === 'string'\n          ? config.dateFilter[1]\n          : config.dateFilter[1].toISOString();\n    }\n    if (config.device) {\n      filter.source = config.device.id;\n      filter.withSourceAssets = true;\n      filter.withSourceDevices = true;\n      filter.withSourceAssets = config.showAlarmsForChildren ?? true;\n      filter.withSourceDevices = config.showAlarmsForChildren ?? true;\n    }\n    return filter;\n  }\n\n  /**\n   * Extracts and concatenates filter parameters from a given object.\n   *\n   * This function takes an object containing filter settings (either SeverityFilter\n   * or AlarmStatusSettings) and returns a string of all keys where the corresponding value is true.\n   * If the object is empty or null, an empty string is returned.\n   *\n   * @param obj - The object containing filter settings.\n   * @returns - A concatenated string of keys with true values, separated by commas.\n   */\n  extractFilterParams(obj: SeverityFilter | AlarmStatusSettings): string {\n    if (!obj) {\n      return '';\n    }\n    return Object.entries(obj)\n      .filter(([, value]) => value)\n      .map(([key]) => key)\n      .join(',');\n  }\n\n  /**\n   * Determines if an incoming real-time alarm has a different status than an existing alarm.\n   *\n   * This function checks if the provided incoming real-time alarm's status differs\n   * from that of an existing alarm with the same ID in the given array of alarms.\n   *\n   * @param existingAlarms - The array of existing alarms.\n   * @param incomingRealtimeAlarm - The incoming real-time alarm to check.\n   * @returns - True if the existing alarm's status has changed, otherwise false.\n   */\n  hasExistingAlarmChangedStatus(existingAlarms: IAlarm[], incomingRealtimeAlarm: IAlarm): boolean {\n    const existingAlarm = existingAlarms.find(alarm => alarm.id === incomingRealtimeAlarm.id);\n    return !!existingAlarm && existingAlarm.status !== incomingRealtimeAlarm.status;\n  }\n\n  /**\n   * Filters alarms based on their status, severity, and type.\n   *\n   * This method determines if a given alarm, identified either by a numeric ID or an `IAlarm` object,\n   * matches specific criteria defined in `alarms` and optionally `config`.\n   *\n   * @param alarm - The alarm to check, represented either by a numeric ID or an `IAlarm` object.\n   * @param alarms - An array of `IAlarm` objects against which the given alarm is evaluated.\n   * @param config - Optional. Configuration for the alarm list widget, used to define additional\n   *                 filtering criteria.\n   *\n   * @returns `true` if the alarm matches the specified criteria; otherwise, `false`.\n   *          If `alarm` is a number, it always returns `false`.\n   *          If `config` is not provided, it uses a legacy filter for critical alarms.\n   *\n   * @remarks\n   * - When `alarm` is a numeric ID, the function returns `false` as it cannot match against type and severity.\n   * - If `config` is not provided, the function assumes a legacy scenario for filtering all critical alarms.\n   */\n  filterAlarmsByStatusSeverityAndType(\n    alarm: number | IAlarm,\n    alarms: IAlarm[],\n    config?: AlarmListWidgetConfig\n  ): boolean {\n    if (typeof alarm === 'number') {\n      return false;\n    }\n\n    return this.isAlarmMatchedByConfig(alarm, alarms, config);\n  }\n\n  /**\n   * Determines if all values in the given object are false.\n   *\n   * This function checks every value in the provided object to see if they are all false.\n   *\n   * @param obj - An object with boolean values.\n   * @returns - Returns `true` if all values in the object are false, otherwise `false`.\n   */\n  allValuesFalse(obj: { [key: string]: boolean }): boolean {\n    return Object.values(obj).every(value => !value);\n  }\n\n  /**\n   * Constructs a string of order parameters for a query based on the specified alarm order.\n   *\n   * This function takes an alarm order and maps it to a corresponding set of order parameters.\n   * It supports different ordering types, such as BY_ACTIVE, BY_SEVERITY, and BY_DATE_ASCENDING.\n   * The order parameters are used to construct a query string that determines the order\n   * in which alarms are retrieved or displayed.\n   *\n   * @param order - The specified order for sorting alarms (e.g., BY_ACTIVE).\n   * @returns - A string of order parameters to be used in a query, or an empty string if the order type is unrecognized.\n   */\n  getOrderParameters(order: AlarmOrderType): string {\n    let orderParams: string[];\n\n    switch (order) {\n      case ALARM_ORDER_VALUES.BY_ACTIVE:\n        orderParams = ['status asc', 'severity asc', 'time.date desc', 'text asc'];\n        return this.buildOrderParameters(orderParams);\n      case ALARM_ORDER_VALUES.BY_SEVERITY:\n        orderParams = ['severity asc', 'time.date desc', 'text asc'];\n        return this.buildOrderParameters(orderParams);\n      case ALARM_ORDER_VALUES.BY_DATE_ASCENDING:\n        orderParams = ['time.date asc', 'text asc'];\n        return this.buildOrderParameters(orderParams);\n      default:\n        orderParams = ['time.date desc', 'text asc'];\n        return this.buildOrderParameters(orderParams);\n    }\n  }\n\n  /**\n   * Determines if an alarm is matched by the specified widget configuration.\n   *\n   * This function evaluates whether a given alarm should be included based on the severity,\n   * status, and type filters defined in the AlarmListWidgetConfig. It checks if the alarm's\n   * severity and status match the configuration settings and if the alarm's type is included\n   * in the configuration's types (if specified).\n   *\n   * @ignore\n   * @param alarm - The alarm to evaluate.\n   * @param alarms - An array of existing alarms, used for status matching.\n   * @param config - The configuration settings to match against.\n   * @returns - Returns `true` if the alarm matches the configuration criteria; otherwise, `false`.\n   */\n  isAlarmMatchedByConfig(alarm: IAlarm, alarms: IAlarm[], config: AlarmListWidgetConfig): boolean {\n    const isSeverityMatched = this.isSeverityMatching(alarm.severity, config);\n    const isStatusMatched = this.isStatusMatching(alarm, alarms, config);\n    const isTypeMatched = this.isTypesMatching(config, alarm);\n\n    return isSeverityMatched && isStatusMatched && isTypeMatched;\n  }\n  /**\n   * Checks if the severity of an alarm matches the configuration setting.\n   *\n   * This function determines whether the severity of an alarm is included in the\n   * severity settings defined in the AlarmListWidgetConfig.\n   *\n   * @ignore\n   * @param severity - The severity of the alarm to check.\n   * @param config - The configuration with severity settings.\n   * @returns - Returns `true` if the alarm's severity matches the configuration; otherwise, `false`.\n   */\n  isSeverityMatching(severity: SeverityType, config: AlarmListWidgetConfig): boolean {\n    return !!config.severities[severity];\n  }\n\n  /**\n   * Evaluates if the status of an alarm matches the configuration setting or has changed.\n   *\n   * This function checks if the status of an alarm is included in the status settings defined in\n   * the AlarmListWidgetConfig, or if the alarm's status has changed based on the existing alarms.\n   *\n   * @ignore\n   * @param alarm - The alarm whose status is to be evaluated.\n   * @param alarms - An array of existing alarms to compare against for status changes.\n   * @param config - The configuration with status settings.\n   * @returns - Returns `true` if the alarm's status matches or has changed as per the configuration; otherwise, `false`.\n   */\n  isStatusMatching(alarm: IAlarm, alarms: IAlarm[], config: AlarmListWidgetConfig): boolean {\n    return !!config.status[alarm.status] || this.hasExistingAlarmChangedStatus(alarms, alarm);\n  }\n\n  /**\n   * Checks if the configuration's types array contains only empty string or includes a specific alarm type.\n   *\n   * @param config - The configuration object with a `types` property.\n   * @param alarm - The alarm object with a `type` property to check against the config's types.\n   * @returns `true` if the config's types array contains only empty string or includes the alarm's type, otherwise `false`.\n   */\n  isTypesMatching(config: AlarmListWidgetConfig, alarm: IAlarm): boolean {\n    return Array.isArray(config.types) && config.types.length === 1 && config.types[0] === ''\n      ? true\n      : config.types?.includes(alarm.type) ?? false;\n  }\n\n  /**\n   * Constructs a query string from an array of order parameters.\n   *\n   * This function takes an array of ordering parameters and constructs a query string\n   * for use in alarm ordering queries. The parameters are concatenated into a single string,\n   * prefixed with '$orderby='.\n   *\n   * @ignore\n   * @private\n   * @param orderParams - The order parameters to be included in the query.\n   * @returns - A query string representing the order parameters.\n   */\n  private buildOrderParameters(orderParams: string[]): string {\n    return `$orderby=${orderParams.join(',')}`;\n  }\n}\n"]}