From c7bcd4c2761d04ce3907caee741371bc08371334 Mon Sep 17 00:00:00 2001
From: prathamesh0 <42446521+prathamesh0@users.noreply.github.com>
Date: Thu, 9 Nov 2023 16:33:35 +0530
Subject: [PATCH] Generate resolvers for plural subgraph GQL queries (#461)

---
 packages/codegen/src/resolvers.ts             |  9 +++++--
 .../templates/resolvers-template.handlebars   | 24 +++++++++++++++++++
 2 files changed, 31 insertions(+), 2 deletions(-)

diff --git a/packages/codegen/src/resolvers.ts b/packages/codegen/src/resolvers.ts
index a4a9ea16..9f728cd7 100644
--- a/packages/codegen/src/resolvers.ts
+++ b/packages/codegen/src/resolvers.ts
@@ -8,6 +8,7 @@ import { Writable } from 'stream';
 import Handlebars from 'handlebars';
 import assert from 'assert';
 import _ from 'lodash';
+import pluralize from 'pluralize';
 
 import { getGqlForSol, getTsForGql } from './utils/type-mappings';
 import { Param } from './utils/types';
@@ -63,12 +64,16 @@ export class Resolvers {
       const entityName = subgraphTypeDef.name.value;
       const queryName = `${entityName.charAt(0).toLowerCase()}${entityName.slice(1)}`;
 
+      let pluralQueryName = pluralize(queryName);
+      pluralQueryName = (pluralQueryName === queryName) ? `${pluralQueryName}s` : pluralQueryName;
+
+      // Add singular and plural query names
       const queryObject = {
         entityName,
-        queryName
+        queryName,
+        pluralQueryName
       };
 
-      // TODO: Generate plural query resolvers
       this._subgraphQueries.push(queryObject);
     }
   }
diff --git a/packages/codegen/src/templates/resolvers-template.handlebars b/packages/codegen/src/templates/resolvers-template.handlebars
index cb6b1fff..b32c4870 100644
--- a/packages/codegen/src/templates/resolvers-template.handlebars
+++ b/packages/codegen/src/templates/resolvers-template.handlebars
@@ -18,6 +18,7 @@ import {
   GraphQLBigDecimal,
   {{#if (subgraphPath)}}
   BlockHeight,
+  OrderDirection,
   jsonBigIntStringReplacer,
   {{/if}}
   EventWatcher,
@@ -113,6 +114,29 @@ export const createResolvers = async (indexerArg: IndexerInterface, eventWatcher
         return indexer.getSubgraphEntity({{this.entityName}}, id, block, info.fieldNodes[0].selectionSet.selections);
       },
 
+      {{this.pluralQueryName}}: async (
+        _: any,
+        { block = {}, where, first, skip, orderBy, orderDirection }: { block: BlockHeight, where: { [key: string]: any }, first: number, skip: number, orderBy: string, orderDirection: OrderDirection },
+        __: any,
+        info: GraphQLResolveInfo
+      ) => {
+        log('{{this.pluralQueryName}}', JSON.stringify(block, jsonBigIntStringReplacer), JSON.stringify(where, jsonBigIntStringReplacer), first, skip, orderBy, orderDirection);
+        gqlTotalQueryCount.inc(1);
+        gqlQueryCount.labels('{{this.pluralQueryName}}').inc(1);
+        assert(info.fieldNodes[0].selectionSet);
+
+        // Set cache-control hints
+        // setGQLCacheHints(info, block, gqlCacheConfig);
+
+        return indexer.getSubgraphEntities(
+          {{this.entityName}},
+          block,
+          where,
+          { limit: first, skip, orderBy, orderDirection },
+          info.fieldNodes[0].selectionSet.selections
+        );
+      },
+
       {{/each}}
       events: async (_: any, { blockHash, contractAddress, name }: { blockHash: string, contractAddress: string, name?: string }) => {
         log('events', blockHash, contractAddress, name);