🔧 Adapt venn route for new front end requirements

src/app.ts

@@ -20,13 +20,14 @@ import { CreateSetBody, Set, SetSqon, UpdateSetContentBody, UpdateSetTagBody } f
 import { getStatistics, getStudiesStatistics } from './endpoints/statistics';
 import transcriptomicsRouter from './endpoints/transcriptomics/route';
 import { computeUpset } from './endpoints/upset';
-import { reformatVenn, venn, VennOutputReformatted } from './endpoints/venn/venn';
+import { reformatVenn, venn, VennOutput } from './endpoints/venn/venn';
 import { esHost, keycloakURL, userApiURL } from './env';
 import { globalErrorHandler, globalErrorLogger } from './errors';
 import { flushAllCache, STATISTICS_CACHE_ID, STATISTICS_PUBLIC_CACHE_ID, twineWithCache } from './middleware/cache';
 import { injectBodyHttpHeaders } from './middleware/injectBodyHttpHeaders';
 import { resolveSetIdMiddleware } from './middleware/resolveSetIdInSqon';
 import { replaceIdsWithSetId, resolveSetsInAllSqonsWithMapper } from './sqon/resolveSetInSqon';
+import { Sqon } from './sqon/types';
 
 export default (keycloak: Keycloak, getProject: (projectId: string) => ArrangerProject): Express => {
     const app = express();
@@ -202,20 +203,23 @@ export default (keycloak: Keycloak, getProject: (projectId: string) => ArrangerP
     });
 
     app.post('/venn', keycloak.protect(), async (req, res, next) => {
+        const lengthOk = (l: Sqon[]) => [2, 3].includes(l.length);
         try {
-            if (![2, 3].includes(req.body?.sqons?.length) || ![2, 3].includes(req.body?.entityCentricSqons?.length)) {
-                res.status(StatusCodes.UNPROCESSABLE_ENTITY).send('Bad Inputs');
-                return;
+            const rawSqons = req.body?.sqons;
+            const rawEntitySqons = req.body?.entitySqons;
+
+            if (!lengthOk(rawSqons) || !lengthOk(rawEntitySqons)) {
+                return res.status(StatusCodes.UNPROCESSABLE_ENTITY).send('Bad Inputs');
             }
 
-            const data: VennOutputReformatted[] = [];
-            for (const [rawSqons, rawIndex, noOpCounts] of [
-                [req.body.sqons, 'participant', true],
-                [req.body.entityCentricSqons, req.body?.index, false],
+            const data: VennOutput[][] = [];
+            for (const [inputSqons, rawIndex, noOpCounts] of [
+                [rawSqons, 'participant', true],
+                [rawEntitySqons, req.body?.index, false],
             ]) {
                 // Convert sqon(s) with set_id if exists to intelligible sqon for ES query translation.
                 const { resolvedSqons: sqons, m: mSetItToIds } = await resolveSetsInAllSqonsWithMapper(
-                    rawSqons,
+                    inputSqons,
                     null,
                     req.headers.authorization,
                 );
@@ -224,14 +228,12 @@ export default (keycloak: Keycloak, getProject: (projectId: string) => ArrangerP
 
                 const datum1 = await venn(sqons, index, noOpCounts);
                 const datum2 = datum1.map(x => ({ ...x, sqon: replaceIdsWithSetId(x.sqon, mSetItToIds) }));
-                data.push(reformatVenn(datum2));
+                data.push(datum2);
             }
-
+            const indexOfParticipantEntity = 0;
+            const indexOfEntity = 1;
             res.send({
-                data: {
-                    participantCentric: data[0],
-                    entityCentric: data[1],
-                },
+                data: reformatVenn(data[indexOfParticipantEntity], data[indexOfEntity]),
             });
         } catch (e) {
             next(e);

src/endpoints/venn/venn.ts

@@ -5,16 +5,28 @@ import { getNestedFieldsForIndex } from '../../sqon/getNestedFieldsForIndex';
 import { and, not } from '../../sqon/manipulateSqon';
 import { Sqon } from '../../sqon/types';
 
-type VennOutput = {
+export type VennOutput = {
     operation: string;
     count: number;
     sqon: Sqon;
 };
 
-type VennOutputReformattedElement = VennOutput & {
-    setId?: string;
+type VennEntityOutput = {
+    operation: string;
+    entityCount: number;
+    entitySqon: Sqon;
+};
+
+type VennParticipantOutput = {
+    operation: string;
+    sqon: Sqon;
 };
 
+type VennOutputReformattedElement = VennEntityOutput &
+    VennParticipantOutput & {
+        setId?: string;
+    };
+
 export type VennOutputReformatted = {
     summary: VennOutputReformattedElement[];
     operations: VennOutputReformattedElement[];
@@ -134,7 +146,24 @@ export const venn = async (sqons: Sqon[], index: string, noOpCounts = false): Pr
     }));
 };
 
-export const reformatVenn = (data: VennOutput[]): VennOutputReformatted => {
+export const reformatWhenSpecifiedEntity = (os: VennOutput[]): VennEntityOutput[] =>
+    os.map(o => ({
+        operation: o.operation,
+        entitySqon: o.sqon,
+        entityCount: o.count,
+    }));
+
+const reformatWhenUnspecifiedSqon = (os: VennOutput[]): VennParticipantOutput[] =>
+    os.map(o => ({
+        operation: o.operation,
+        sqon: o.sqon,
+    }));
+
+const mergeOutputs = (xs: VennEntityOutput[], ys: VennParticipantOutput[]) =>
+    // Assumes that lists are of same length as well as "operation" value for same index loop
+    xs.map((x, i) => ({ ...x, ...ys[i] }));
+
+const reformatToTables = (data: VennOutputReformattedElement[]): VennOutputReformatted => {
     const tables = data.reduce(
         (xs: VennOutputReformatted, x: VennOutputReformattedElement) => {
             if (['Q₁', 'Q₂', 'Q₃'].some(y => y === x.operation)) {
@@ -147,6 +176,14 @@ export const reformatVenn = (data: VennOutput[]): VennOutputReformatted => {
 
     return {
         summary: tables.summary,
-        operations: tables.operations.map((x: VennOutput, i: number) => ({ ...x, setId: `set-${i}` })),
+        operations: tables.operations.map((x: VennOutputReformattedElement, i: number) => ({
+            ...x,
+            setId: `set-${i}`,
+        })),
     };
 };
+
+export const reformatVenn = (participantOutputs: VennOutput[], entityOutputs: VennOutput[]): VennOutputReformatted =>
+    reformatToTables(
+        mergeOutputs(reformatWhenSpecifiedEntity(entityOutputs), reformatWhenUnspecifiedSqon(participantOutputs)),
+    );