Get Collection Items extension - facets - filter queries - sort/type

src/collections/domain/models/CollectionItemSubset.ts

@@ -4,5 +4,17 @@ import { CollectionPreview } from './CollectionPreview'
 
 export interface CollectionItemSubset {
   items: (CollectionPreview | DatasetPreview | FilePreview)[]
+  facets: CollectionItemsFacet[]
   totalItemCount: number
 }
+
+export interface CollectionItemsFacet {
+  name: string
+  friendlyName: string
+  labels: CollectionItemsFacetLabel[]
+}
+
+interface CollectionItemsFacetLabel {
+  name: string
+  count: number
+}

src/collections/domain/models/CollectionSearchCriteria.ts

@@ -1,16 +1,38 @@
 import { CollectionItemType } from './CollectionItemType'
+import { FilterQuery, OrderType, SortType } from './GetCollectionItemsQueryParams'
 
 export class CollectionSearchCriteria {
   constructor(
     public readonly searchText?: string,
-    public readonly itemTypes?: CollectionItemType[]
+    public readonly itemTypes?: CollectionItemType[],
+    public readonly sort?: SortType,
+    public readonly order?: OrderType,
+    public readonly filterQueries?: FilterQuery[]
   ) {}
 
   withSearchText(searchText: string | undefined): CollectionSearchCriteria {
-    return new CollectionSearchCriteria(searchText, this.itemTypes)
+    return new CollectionSearchCriteria(searchText, this.itemTypes, this.sort, this.order)
   }
 
   withItemTypes(itemTypes: CollectionItemType[] | undefined): CollectionSearchCriteria {
-    return new CollectionSearchCriteria(this.searchText, itemTypes)
+    return new CollectionSearchCriteria(this.searchText, itemTypes, this.sort, this.order)
+  }
+
+  withSort(sort: SortType | undefined): CollectionSearchCriteria {
+    return new CollectionSearchCriteria(this.searchText, this.itemTypes, sort, this.order)
+  }
+
+  withOrder(order: OrderType | undefined): CollectionSearchCriteria {
+    return new CollectionSearchCriteria(this.searchText, this.itemTypes, this.sort, order)
+  }
+
+  withFilterQueries(filterQueries: FilterQuery[] | undefined): CollectionSearchCriteria {
+    return new CollectionSearchCriteria(
+      this.searchText,
+      this.itemTypes,
+      this.sort,
+      this.order,
+      filterQueries
+    )
   }
 }

src/collections/domain/models/GetCollectionItemsQueryParams.ts

@@ -0,0 +1,23 @@
+export enum GetCollectionItemsQueryParams {
+  QUERY = 'q',
+  SHOW_FACETS = 'show_facets',
+  SORT = 'sort',
+  ORDER = 'order',
+  SUBTREE = 'subtree',
+  PER_PAGE = 'per_page',
+  START = 'start',
+  TYPE = 'type',
+  FILTERQUERY = 'fq'
+}
+
+export enum SortType {
+  NAME = 'name',
+  DATE = 'date'
+}
+
+export enum OrderType {
+  ASC = 'asc',
+  DESC = 'desc'
+}
+
+export type FilterQuery = `${string}:${string}`

src/collections/infra/repositories/CollectionsRepository.ts

@@ -13,6 +13,11 @@ import { transformCollectionUserPermissionsResponseToCollectionUserPermissions }
 import { CollectionItemSubset } from '../../domain/models/CollectionItemSubset'
 import { CollectionSearchCriteria } from '../../domain/models/CollectionSearchCriteria'
 import { CollectionItemType } from '../../domain/models/CollectionItemType'
+import {
+  GetCollectionItemsQueryParams,
+  OrderType,
+  SortType
+} from '../../domain/models/GetCollectionItemsQueryParams'
 
 export interface NewCollectionRequestPayload {
   alias: string
@@ -40,14 +45,6 @@ export interface NewCollectionInputLevelRequestPayload {
   required: boolean
 }
 
-export interface GetCollectionItemsQueryParams {
-  q: string
-  subtree?: string
-  per_page?: number
-  start?: number
-  type?: string
-}
-
 export class CollectionsRepository extends ApiRepository implements ICollectionsRepository {
   private readonly collectionsResourceName: string = 'dataverses'
 
@@ -119,37 +116,30 @@ export class CollectionsRepository extends ApiRepository implements ICollections
     offset?: number,
     collectionSearchCriteria?: CollectionSearchCriteria
   ): Promise<CollectionItemSubset> {
-    const queryParams: GetCollectionItemsQueryParams = {
-      q: '*'
-    }
+    const queryParams = new URLSearchParams({
+      [GetCollectionItemsQueryParams.QUERY]: '*',
+      [GetCollectionItemsQueryParams.SHOW_FACETS]: 'true',
+      [GetCollectionItemsQueryParams.SORT]: SortType.DATE,
+      [GetCollectionItemsQueryParams.ORDER]: OrderType.DESC
+    })
+
     if (collectionId) {
-      queryParams.subtree = collectionId
+      queryParams.set(GetCollectionItemsQueryParams.SUBTREE, collectionId)
     }
+
     if (limit) {
-      queryParams.per_page = limit
+      queryParams.set(GetCollectionItemsQueryParams.PER_PAGE, limit.toString())
     }
+
     if (offset) {
-      queryParams.start = offset
+      queryParams.set(GetCollectionItemsQueryParams.START, offset.toString())
     }
+
     if (collectionSearchCriteria) {
       this.applyCollectionSearchCriteriaToQueryParams(queryParams, collectionSearchCriteria)
     }
 
-    let url = '/search?sort=date&order=desc'
-
-    if (collectionSearchCriteria?.itemTypes) {
-      const itemTypesQueryString = collectionSearchCriteria.itemTypes
-        .map((itemType: CollectionItemType) => {
-          const mappedItemType =
-            itemType === CollectionItemType.COLLECTION ? 'dataverse' : itemType.toString()
-          return `type=${mappedItemType}`
-        })
-        .join('&')
-
-      url += `&${itemTypesQueryString}`
-    }
-
-    return this.doGet(url, true, queryParams)
+    return this.doGet('/search', true, queryParams)
       .then((response) => transformCollectionItemsResponseToCollectionItemSubset(response))
       .catch((error) => {
         throw error
@@ -201,11 +191,42 @@ export class CollectionsRepository extends ApiRepository implements ICollections
   }
 
   private applyCollectionSearchCriteriaToQueryParams(
-    queryParams: GetCollectionItemsQueryParams,
+    queryParams: URLSearchParams,
     collectionSearchCriteria: CollectionSearchCriteria
   ) {
     if (collectionSearchCriteria.searchText) {
-      queryParams.q = encodeURIComponent(collectionSearchCriteria.searchText)
+      queryParams.set(
+        GetCollectionItemsQueryParams.QUERY,
+        encodeURIComponent(collectionSearchCriteria.searchText)
+      )
+    }
+
+    if (collectionSearchCriteria?.itemTypes) {
+      collectionSearchCriteria.itemTypes.forEach((itemType) => {
+        const mappedItemType = itemType === CollectionItemType.COLLECTION ? 'dataverse' : itemType
+
+        queryParams.append(GetCollectionItemsQueryParams.TYPE, mappedItemType)
+      })
+    }
+
+    if (collectionSearchCriteria?.sort) {
+      queryParams.set(GetCollectionItemsQueryParams.SORT, collectionSearchCriteria.sort)
+    }
+
+    if (collectionSearchCriteria?.order) {
+      queryParams.set(GetCollectionItemsQueryParams.ORDER, collectionSearchCriteria.order)
+    }
+
+    if (collectionSearchCriteria?.filterQueries) {
+      collectionSearchCriteria.filterQueries.forEach((filterQuery) => {
+        const [filterQueryKey, filterQueryValue] = filterQuery.split(':')
+
+        const filterQueryValueWithQuotes = `"${filterQueryValue}"`
+
+        const filterQueryToSet = `${filterQueryKey}:${filterQueryValueWithQuotes}`
+
+        queryParams.append(GetCollectionItemsQueryParams.FILTERQUERY, filterQueryToSet)
+      })
     }
   }
 }

src/collections/infra/repositories/transformers/CollectionItemsFacetsPayload.ts

@@ -0,0 +1,6 @@
+export type CollectionItemsFacetPayload = [Record<string, CollectionItemsFacetPayloadValue>]
+
+export interface CollectionItemsFacetPayloadValue {
+  friendly: string
+  labels: Record<string, number>[]
+}

src/collections/infra/repositories/transformers/collectionTransformers.ts

@@ -9,7 +9,10 @@ import { transformPayloadToOwnerNode } from '../../../../core/infra/repositories
 import { transformHtmlToMarkdown } from '../../../../datasets/infra/repositories/transformers/datasetTransformers'
 import { CollectionFacet } from '../../../domain/models/CollectionFacet'
 import { CollectionFacetPayload } from './CollectionFacetPayload'
-import { CollectionItemSubset } from '../../../domain/models/CollectionItemSubset'
+import {
+  CollectionItemsFacet,
+  CollectionItemSubset
+} from '../../../domain/models/CollectionItemSubset'
 import { DatasetPreview } from '../../../../datasets'
 import { FilePreview } from '../../../../files'
 import { DatasetPreviewPayload } from '../../../../datasets/infra/repositories/transformers/DatasetPreviewPayload'
@@ -21,6 +24,7 @@ import { CollectionPreviewPayload } from './CollectionPreviewPayload'
 import { CollectionPreview } from '../../../domain/models/CollectionPreview'
 import { CollectionContact } from '../../../domain/models/CollectionContact'
 import { CollectionType } from '../../../domain/models/CollectionType'
+import { CollectionItemsFacetPayload } from './CollectionItemsFacetsPayload'
 
 export const transformCollectionResponseToCollection = (response: AxiosResponse): Collection => {
   const collectionPayload = response.data.data
@@ -79,7 +83,10 @@ export const transformCollectionItemsResponseToCollectionItemSubset = (
 ): CollectionItemSubset => {
   const responseDataPayload = response.data.data
   const itemsPayload = responseDataPayload.items
+  const facets = responseDataPayload.facets as CollectionItemsFacetPayload
+
   const items: (DatasetPreview | FilePreview | CollectionPreview)[] = []
+
   itemsPayload.forEach(function (
     itemPayload: CollectionPreviewPayload | DatasetPreviewPayload | FilePreviewPayload
   ) {
@@ -97,8 +104,21 @@ export const transformCollectionItemsResponseToCollectionItemSubset = (
       )
     }
   })
+
+  const transformedFacets: CollectionItemsFacet[] = Object.entries(facets[0]).map(
+    ([key, facetData]) => ({
+      name: key,
+      friendlyName: facetData.friendly,
+      labels: facetData.labels.map((label: Record<string, number>) => {
+        const [name, count] = Object.entries(label)[0]
+        return { name, count }
+      })
+    })
+  )
+
   return {
     items: items,
+    facets: transformedFacets,
     totalItemCount: responseDataPayload.total_count
   }
 }

src/core/infra/repositories/ApiRepository.ts

@@ -8,7 +8,7 @@ export abstract class ApiRepository {
   public async doGet(
     apiEndpoint: string,
     authRequired = false,
-    queryParams: object = {}
+    queryParams: object | URLSearchParams = {}
   ): Promise<AxiosResponse> {
     return await axios
       .get(buildRequestUrl(apiEndpoint), buildRequestConfig(authRequired, queryParams))

src/core/infra/repositories/apiConfigBuilders.ts

@@ -4,7 +4,7 @@ import { ApiConstants } from './ApiConstants'
 
 export const buildRequestConfig = (
   authRequired: boolean,
-  queryParams: object,
+  queryParams: object | URLSearchParams,
   contentType: string = ApiConstants.CONTENT_TYPE_APPLICATION_JSON,
   abortSignal?: AbortSignal
 ): AxiosRequestConfig => {