Add Entity Type alias. Fix Key filter value conditional processing.

@@ -155,7 +155,7 @@ export class EntityDataSubscription {
       clearTimeout(this.timer);
       this.timer = null;
     }
-    if (this.datasourceType === DatasourceType.entity) {
+    if (this.datasourceType === DatasourceType.entity || this.datasourceType === DatasourceType.entityCount) {
       if (this.subscriber) {
         this.subscriber.unsubscribe();
         this.subscriber = null;
@@ -318,24 +318,30 @@ export class EntityDataSubscription {
         entityType: null
       };
 
-      const entityData: EntityData = {
-        entityId,
-        timeseries: {},
-        latest: {}
-      };
-      entityData.latest[EntityKeyType.ENTITY_FIELD] = {
-        name: {ts: Date.now(), value: DatasourceType.entityCount},
-      };
-
       const countKey = this.entityDataSubscriptionOptions.dataKeys[0];
 
+      let dataReceived = false;
+
       this.subscriber.entityCount$.subscribe(
         (entityCountUpdate) => {
-          if (!entityData.latest[EntityKeyType.COUNT]) {
-            entityData.latest[EntityKeyType.COUNT] = {};
-            entityData.latest[EntityKeyType.COUNT][countKey.name] = {
-              ts: Date.now(),
-              value: entityCountUpdate.count + ''
+          if (!dataReceived) {
+            const entityData: EntityData = {
+              entityId,
+              latest: {
+                [EntityKeyType.ENTITY_FIELD]: {
+                  name: {
+                    ts: Date.now(),
+                    value: DatasourceType.entityCount
+                  }
+                },
+                [EntityKeyType.COUNT]: {
+                  [countKey.name]: {
+                    ts: Date.now(),
+                    value: entityCountUpdate.count + ''
+                  }
+                }
+              },
+              timeseries: {}
             };
             const pageData: PageData<EntityData> = {
               data: [entityData],
@@ -344,12 +350,20 @@ export class EntityDataSubscription {
               totalPages: 1
             };
             this.onPageData(pageData);
+            dataReceived = true;
           } else {
-            const update = [deepClone(entityData)];
-            update[0].latest[EntityKeyType.COUNT][countKey.name] = {
-              ts: Date.now(),
-              value: entityCountUpdate.count + ''
-            };
+            const update: EntityData[] = [{
+              entityId,
+              latest: {
+                [EntityKeyType.COUNT]: {
+                  [countKey.name]: {
+                    ts: Date.now(),
+                    value: entityCountUpdate.count + ''
+                  }
+                }
+              },
+              timeseries: {}
+            }];
             this.onDataUpdate(update);
           }
         }

@@ -481,6 +481,8 @@ export class EntityService {
           return entityTypes.indexOf(filter.entityType) > -1 ? true : false;
         case AliasFilterType.entityName:
           return entityTypes.indexOf(filter.entityType) > -1 ? true : false;
+        case AliasFilterType.entityType:
+          return entityTypes.indexOf(filter.entityType) > -1 ? true : false;
         case AliasFilterType.stateEntity:
           return true;
         case AliasFilterType.assetType:
@@ -540,6 +542,8 @@ export class EntityService {
         return true;
       case AliasFilterType.entityName:
         return true;
+      case AliasFilterType.entityType:
+        return true;
       case AliasFilterType.stateEntity:
         return true;
       case AliasFilterType.assetType:
@@ -805,6 +809,9 @@ export class EntityService {
       case AliasFilterType.entityName:
         result.entityFilter = deepClone(filter);
         return of(result);
+      case AliasFilterType.entityType:
+        result.entityFilter = deepClone(filter);
+        return of(result);
       case AliasFilterType.stateEntity:
         result.stateEntity = true;
         if (stateEntityId) {

@@ -76,6 +76,10 @@ export class EntityFilterViewComponent implements ControlValueAccessor {
           this.filterDisplayValue = this.translate.instant(entityTypeTranslations.get(entityType).nameStartsWith,
             {prefix});
           break;
+        case AliasFilterType.entityType:
+          entityType = this.filter.entityType;
+          this.filterDisplayValue = this.translate.instant(entityTypeTranslations.get(entityType).typePlural);
+          break;
         case AliasFilterType.stateEntity:
           this.filterDisplayValue = this.translate.instant('alias.filter-type-state-entity-description');
           break;

@@ -59,6 +59,13 @@
         </mat-error>
       </mat-form-field>
     </ng-template>
+    <ng-template [ngSwitchCase]="aliasFilterType.entityType">
+      <tb-entity-type-select required
+                             showLabel
+                             [allowedEntityTypes]="allowedEntityTypes"
+                             formControlName="entityType">
+      </tb-entity-type-select>
+    </ng-template>
     <ng-template [ngSwitchCase]="aliasFilterType.stateEntity">
       <mat-form-field floatLabel="always" class="mat-block">
         <mat-label translate>alias.state-entity-parameter-name</mat-label>

@@ -123,6 +123,11 @@ export class EntityFilterComponent implements ControlValueAccessor, OnInit {
           entityNameFilter: [filter ? filter.entityNameFilter : '', [Validators.required]],
         });
         break;
+      case AliasFilterType.entityType:
+        this.filterFormGroup = this.fb.group({
+          entityType: [filter ? filter.entityType : null, [Validators.required]]
+        });
+        break;
       case AliasFilterType.stateEntity:
         this.filterFormGroup = this.fb.group({
           stateEntityParamName: [filter ? filter.stateEntityParamName : null, []],

@@ -107,12 +107,15 @@ export class KeyFilterDialogComponent extends
             key: [this.data.keyFilter.key.key, [Validators.required]]
           }
         ),
-        value: [this.data.keyFilter.value],
         valueType: [this.data.keyFilter.valueType, [Validators.required]],
         predicates: [this.data.keyFilter.predicates, [Validators.required]]
       }
     );
-
+    if (this.data.telemetryKeysOnly) {
+      this.keyFilterFormGroup.addControl(
+        'value', this.fb.control(this.data.keyFilter.value)
+      );
+    }
     if (!this.data.readonly) {
       this.keyFilterFormGroup.get('valueType').valueChanges.pipe(
         takeUntil(this.destroy$)
@@ -144,12 +147,14 @@ export class KeyFilterDialogComponent extends
         } else {
           this.showAutocomplete = false;
         }
-        if (type === EntityKeyType.CONSTANT) {
-          this.keyFilterFormGroup.get('value').setValidators(Validators.required);
-          this.keyFilterFormGroup.get('value').updateValueAndValidity();
-        } else {
-          this.keyFilterFormGroup.get('value').clearValidators();
-          this.keyFilterFormGroup.get('value').updateValueAndValidity();
+        if (this.data.telemetryKeysOnly) {
+          if (type === EntityKeyType.CONSTANT) {
+            this.keyFilterFormGroup.get('value').setValidators(Validators.required);
+            this.keyFilterFormGroup.get('value').updateValueAndValidity();
+          } else {
+            this.keyFilterFormGroup.get('value').clearValidators();
+            this.keyFilterFormGroup.get('value').updateValueAndValidity();
+          }
         }
       });
 

@@ -24,7 +24,7 @@ import {
   NG_VALUE_ACCESSOR
 } from '@angular/forms';
 import { AliasEntityType, EntityType } from '@shared/models/entity-type.models';
-import { EntityTypeFilter } from '@shared/models/relation.models';
+import { RelationEntityTypeFilter } from '@shared/models/relation.models';
 import { PageComponent } from '@shared/components/page.component';
 import { Store } from '@ngrx/store';
 import { AppState } from '@core/core.state';
@@ -80,7 +80,7 @@ export class RelationFiltersComponent extends PageComponent implements ControlVa
     this.disabled = isDisabled;
   }
 
-  writeValue(filters: Array<EntityTypeFilter>): void {
+  writeValue(filters: Array<RelationEntityTypeFilter>): void {
     if (this.valueChangeSubscription) {
       this.valueChangeSubscription.unsubscribe();
     }
@@ -102,14 +102,14 @@ export class RelationFiltersComponent extends PageComponent implements ControlVa
 
   public addFilter() {
     const relationFiltersFormArray = this.relationFiltersFormGroup.get('relationFilters') as FormArray;
-    const filter: EntityTypeFilter = {
+    const filter: RelationEntityTypeFilter = {
       relationType: null,
       entityTypes: []
     };
     relationFiltersFormArray.push(this.createRelationFilterFormGroup(filter));
   }
 
-  private createRelationFilterFormGroup(filter: EntityTypeFilter): AbstractControl {
+  private createRelationFilterFormGroup(filter: RelationEntityTypeFilter): AbstractControl {
     return this.fb.group({
       relationType: [filter ? filter.relationType : null],
       entityTypes: [filter ? filter.entityTypes : []]
@@ -117,7 +117,7 @@ export class RelationFiltersComponent extends PageComponent implements ControlVa
   }
 
   private updateModel() {
-    const filters: Array<EntityTypeFilter> = this.relationFiltersFormGroup.get('relationFilters').value;
+    const filters: Array<RelationEntityTypeFilter> = this.relationFiltersFormGroup.get('relationFilters').value;
     this.propagateChange(filters);
   }
 }

@@ -16,14 +16,14 @@
 
 import { EntityType } from '@shared/models/entity-type.models';
 import { EntityId } from '@shared/models/id/entity-id';
-import { EntitySearchDirection, EntityTypeFilter } from '@shared/models/relation.models';
-import { EntityInfo } from './entity.models';
+import { EntitySearchDirection, RelationEntityTypeFilter } from '@shared/models/relation.models';
 import { EntityFilter } from '@shared/models/query/query.models';
 
 export enum AliasFilterType {
   singleEntity = 'singleEntity',
   entityList = 'entityList',
   entityName = 'entityName',
+  entityType = 'entityType',
   stateEntity = 'stateEntity',
   assetType = 'assetType',
   deviceType = 'deviceType',
@@ -40,6 +40,7 @@ export const aliasFilterTypeTranslationMap = new Map<AliasFilterType, string>(
     [ AliasFilterType.singleEntity, 'alias.filter-type-single-entity' ],
     [ AliasFilterType.entityList, 'alias.filter-type-entity-list' ],
     [ AliasFilterType.entityName, 'alias.filter-type-entity-name' ],
+    [ AliasFilterType.entityType, 'alias.filter-type-entity-type' ],
     [ AliasFilterType.stateEntity, 'alias.filter-type-state-entity' ],
     [ AliasFilterType.assetType, 'alias.filter-type-asset-type' ],
     [ AliasFilterType.deviceType, 'alias.filter-type-device-type' ],
@@ -66,6 +67,10 @@ export interface EntityNameFilter {
   entityNameFilter?: string;
 }
 
+export interface EntityTypeFilter {
+  entityType?: EntityType;
+}
+
 export interface StateEntityFilter {
   stateEntityParamName?: string;
   defaultStateEntity?: EntityId;
@@ -92,7 +97,7 @@ export interface RelationsQueryFilter {
   defaultStateEntity?: EntityId;
   rootEntity?: EntityId;
   direction?: EntitySearchDirection;
-  filters?: Array<EntityTypeFilter>;
+  filters?: Array<RelationEntityTypeFilter>;
   maxLevel?: number;
   fetchLastLevelOnly?: boolean;
 }
@@ -129,6 +134,7 @@ export type EntityFilters =
   SingleEntityFilter &
   EntityListFilter &
   EntityNameFilter &
+  EntityTypeFilter &
   StateEntityFilter &
   AssetTypeFilter &
   DeviceTypeFilter &

@@ -351,14 +351,14 @@ export interface KeyFilterPredicateInfo {
 export interface KeyFilter {
   key: EntityKey;
   valueType: EntityKeyValueType;
-  value: string | number | boolean;
+  value?: string | number | boolean;
   predicate: KeyFilterPredicate;
 }
 
 export interface KeyFilterInfo {
   key: EntityKey;
   valueType: EntityKeyValueType;
-  value: string | number | boolean;
+  value?: string | number | boolean;
   predicates: Array<KeyFilterPredicateInfo>;
 }
 

@@ -52,7 +52,7 @@ export const directionTypeTranslations = new Map<EntitySearchDirection, string>(
   ]
 );
 
-export interface EntityTypeFilter {
+export interface RelationEntityTypeFilter {
   relationType: string;
   entityTypes: Array<EntityType>;
 }
@@ -68,7 +68,7 @@ export interface RelationsSearchParameters {
 
 export interface EntityRelationsQuery {
   parameters: RelationsSearchParameters;
-  filters: Array<EntityTypeFilter>;
+  filters: Array<RelationEntityTypeFilter>;
 }
 
 export interface EntitySearchQuery {

@@ -299,6 +299,7 @@
         "filter-type-single-entity": "Single entity",
         "filter-type-entity-list": "Entity list",
         "filter-type-entity-name": "Entity name",
+        "filter-type-entity-type": "Entity type",
         "filter-type-state-entity": "Entity from dashboard state",
         "filter-type-state-entity-description": "Entity taken from dashboard state parameters",
         "filter-type-asset-type": "Asset type",