add all_items param to resources findByUri route

lib/resources.js

@@ -196,6 +196,7 @@ module.exports = function (app, _private = null) {
   app.resources.findByUri = function (params, opts = {}, request) {
     // Parse all params we support:
     params = parseParams(params, {
+      all_items: { type: 'boolean', default: false },
       uri: { type: 'string' },
       itemUri: { type: 'string' },
       items_size: { type: 'int', default: 100, range: [0, 200] },
@@ -228,6 +229,9 @@ module.exports = function (app, _private = null) {
       .then((recapBarcodesByStatus) => {
         // Establish base query:
         let body = {
+          _source: {
+            excludes: EXCLUDE_FIELDS
+          },
           size: 1,
           query: {
             bool: {
@@ -239,38 +243,39 @@ module.exports = function (app, _private = null) {
                 }
               ]
             }
-          },
-          _source: {
-            excludes: EXCLUDE_FIELDS.concat(['items'])
           }
         }
-
-        // No specific item requested, so add pagination and matching params:
-        const itemsOptions = {
-          size: params.items_size,
-          from: params.items_from,
-          merge_checkin_card_items: params.merge_checkin_card_items,
-          query: {
-            volume: params.item_volume,
-            date: params.item_date,
-            format: params.item_format,
-            location: params.item_location,
-            status: params.item_status,
-            itemUri: params.itemUri
-          },
-          unavailable_recap_barcodes: recapBarcodesByStatus['Not Available']
+        if (params.all_items) {
+          body._source.excludes = EXCLUDE_FIELDS.filter((field) => field !== '*_sort')
+        }
+        if (!params.all_items) {
+          // No specific item requested, so add pagination and matching params:
+          const itemsOptions = {
+            size: params.items_size,
+            from: params.items_from,
+            merge_checkin_card_items: params.merge_checkin_card_items,
+            query: {
+              volume: params.item_volume,
+              date: params.item_date,
+              format: params.item_format,
+              location: params.item_location,
+              status: params.item_status,
+              itemUri: params.itemUri
+            },
+            unavailable_recap_barcodes: recapBarcodesByStatus['Not Available']
+          }
+          body = addInnerHits(body, itemsOptions)
+          body._source = {
+            excludes: EXCLUDE_FIELDS.concat(['items'])
+          }
         }
-        body = addInnerHits(body, itemsOptions)
-
         if (params.include_item_aggregations) {
           body.aggregations = ITEM_FILTER_AGGREGATIONS
         }
-
         app.logger.debug('Resources#findByUri', body)
         return app.esClient.search(body)
           .then((resp) => {
             resp = resp.body
-
             // Mindfully throw errors for known issues:
             if (!resp || !resp.hits) {
               throw new Error('Error connecting to index')
@@ -723,11 +728,10 @@ module.exports = function (app, _private = null) {
     return app.esClient.search(body)
       .then((resp) => {
         resp = resp.body
-
         const massagedResponse = new ResponseMassager(resp)
         return massagedResponse.massagedResponse(request)
           .catch((e) => {
-          // If error hitting HTC, just return response un-modified:
+            // If error hitting HTC, just return response un-modified:
             return resp
           })
           .then((updatedResponse) => ResourceResultsSerializer.serialize(updatedResponse, opts))

lib/response_massager.js

@@ -4,7 +4,6 @@ const parallelFieldsExtractor = require('./parallel-fields-extractor')
 const { isAeonUrl } = require('../lib/util')
 const FulfillmentResolver = require('./fulfillment_resolver')
 const RequestabilityResolver = require('./requestability_resolver')
-// const addNumItemsMatched = require('./item-match-numerator')
 
 class ResponseMassager {
   constructor (responseReceived) {
@@ -16,11 +15,15 @@ class ResponseMassager {
    *  if it contains hits that have "items" or "electronicResources" inner_hits,
    *  reassigns those hits to ".items" and ".electronicResources" so that later
    *  code can access them as if that's where they were indexed that way.
+   *  Conditionally sorts on enumerationChronology_sort.
    *
    *  Also copies ".total" properties into convenient places for serialization.
    */
-  processInnerHitsProperties (response) {
+  processInnerHitsProperties (response, sortOnEnumerationChronology) {
     response.hits.hits.forEach((hit) => {
+      if (sortOnEnumerationChronology) {
+        hit._source.items.sort((a, b) => a.enumerationChronology_sort[0] > b.enumerationChronology_sort[0] ? -1 : 1)
+      }
       // Process "items" inner_hits
       if (hit.inner_hits && hit.inner_hits.items) {
         // Reassign items inner_hits to .items
@@ -58,10 +61,10 @@ class ResponseMassager {
 
   massagedResponse (request, options = {}) {
     let response = this.elasticSearchResponse
-
+    const allItemsBibQuery = request?.query?.all_items
     // Inspect response inner_hits queries and move properties around to ease
     // serialization:
-    response = this.processInnerHitsProperties(response)
+    response = this.processInnerHitsProperties(response, allItemsBibQuery)
 
     // Rename parallel fields:
     response = parallelFieldsExtractor(response)

routes/resources.js

@@ -11,7 +11,28 @@ module.exports = function (app) {
     next()
   })
 
-  const standardParams = ['page', 'per_page', 'q', 'filters', 'expandContext', 'ext', 'field', 'sort', 'sort_direction', 'search_scope', 'items_size', 'items_from', 'contributor', 'title', 'subject', 'isbn', 'issn', 'lccn', 'oclc', 'merge_checkin_card_items', 'include_item_aggregations']
+  const standardParams = ['page',
+    'per_page',
+    'q',
+    'filters',
+    'expandContext',
+    'ext',
+    'field',
+    'sort',
+    'sort_direction',
+    'search_scope',
+    'all_items',
+    'items_size',
+    'items_from',
+    'contributor',
+    'title',
+    'subject',
+    'isbn',
+    'issn',
+    'lccn',
+    'oclc',
+    'merge_checkin_card_items',
+    'include_item_aggregations']
 
   const respond = (res, _resp, params) => {
     let contentType = 'application/ld+json'
@@ -104,7 +125,7 @@ module.exports = function (app) {
    * e.g. discovery/resources/b1234
    */
   app.get(`/api/v${VER}/discovery/resources/:uri.:ext?`, function (req, res) {
-    const gatheredParams = gatherParams(req, ['uri', 'items_size', 'items_from', 'merge_checkin_card_items', 'include_item_aggregations'])
+    const gatheredParams = gatherParams(req, ['uri', 'items_size', 'items_from', 'merge_checkin_card_items', 'include_item_aggregations', 'all_items'])
     const params = Object.assign({}, req.query, { uri: req.params.uri })
 
     if (Number.isInteger(parseInt(gatheredParams.items_size))) params.items_size = gatheredParams.items_size