Enhance GraphQL Endpoints to Support Distinct Filtering for Issues and Releases

backend/apps/github/graphql/queries/issue.py

@@ -1,4 +1,4 @@
-"""OWASP issue GraphQL queries."""
+"""GraphQL queries for handling GitHub issues."""
 
 import graphene
 
@@ -8,18 +8,47 @@
 
 
 class IssueQuery(BaseQuery):
-    """Issue queries."""
+    """GraphQL query class for retrieving GitHub issues."""
 
     recent_issues = graphene.List(
         IssueNode,
-        limit=graphene.Int(default_value=6),
+        limit=graphene.Int(default_value=15),
+        distinct=graphene.Boolean(default_value=False),
         login=graphene.String(required=False),
     )
 
-    def resolve_recent_issues(root, info, limit, login=None):
-        """Resolve recent issues."""
-        queryset = Issue.objects.select_related("author").order_by("-created_at")
+    def resolve_recent_issues(root, info, limit=15, distinct=False, login=None):
+        """Resolve recent issues with optional filtering.
+
+        Args:
+        ----
+            root: The root query object.
+            info: The GraphQL execution context.
+            limit (int): Maximum number of issues to return.
+            distinct (bool): Whether to return unique issues per author and repository.
+            login (str, optional): Filter issues by a specific author's login.
+
+        Returns:
+        -------
+            Queryset containing the filtered list of issues.
+
+        """
+        queryset = Issue.objects.select_related(
+            "author",
+        ).order_by(
+            "-created_at",
+        )
+
         if login:
             queryset = queryset.filter(author__login=login)
 
+        if distinct:
+            queryset = queryset.distinct(
+                "author_id",
+                "created_at",
+            ).order_by(
+                "-created_at",
+                "author_id",
+            )
+
         return queryset[:limit]

backend/apps/github/graphql/queries/release.py

@@ -1,4 +1,4 @@
-"""OWASP release GraphQL queries."""
+"""GraphQL queries for handling OWASP releases."""
 
 import graphene
 
@@ -8,14 +8,41 @@
 
 
 class ReleaseQuery(BaseQuery):
-    """Release queries."""
+    """GraphQL query class for retrieving recent GitHub releases."""
 
-    recent_releases = graphene.List(ReleaseNode, limit=graphene.Int(default_value=15))
+    recent_releases = graphene.List(
+        ReleaseNode,
+        limit=graphene.Int(default_value=15),
+        distinct=graphene.Boolean(default_value=False),
+    )
 
-    def resolve_recent_releases(root, info, limit):
-        """Resolve recent release."""
-        return Release.objects.filter(
+    def resolve_recent_releases(root, info, limit=15, distinct=False):
+        """Resolve recent releases with optional distinct filtering.
+
+        Args:
+        ----
+            root: The root query object.
+            info: The GraphQL execution context.
+            limit (int): Maximum number of releases to return.
+            distinct (bool): Whether to return unique releases per author and repository.
+
+        Returns:
+        -------
+            Queryset containing the filtered list of releases.
+
+        """
+        query = Release.objects.filter(
             is_draft=False,
             is_pre_release=False,
             published_at__isnull=False,
-        ).order_by("-published_at")[:limit]
+        ).order_by("-published_at")
+
+        if distinct:
+            query = query.distinct(
+                "author_id",
+                "published_at",
+            ).order_by(
+                "-published_at",
+            )
+
+        return query[:limit]

frontend/src/api/queries/homeQueries.ts

@@ -1,7 +1,7 @@
 import { gql } from '@apollo/client'
 
 export const GET_MAIN_PAGE_DATA = gql`
-  query GetMainPageData {
+  query GetMainPageData($distinct: Boolean) {
     recentProjects(limit: 5) {
       createdAt
       key
@@ -32,7 +32,7 @@ export const GET_MAIN_PAGE_DATA = gql`
       projectName
       projectUrl
     }
-    recentIssues(limit: 5) {
+    recentIssues(limit: 5, distinct: $distinct) {
       commentsCount
       createdAt
       title
@@ -43,7 +43,7 @@ export const GET_MAIN_PAGE_DATA = gql`
         name
       }
     }
-    recentReleases(limit: 5) {
+    recentReleases(limit: 5, distinct: $distinct) {
       author {
         avatarUrl
         login

frontend/src/pages/Home.tsx

@@ -35,7 +35,10 @@ import { toaster } from 'components/ui/toaster'
 export default function Home() {
   const [isLoading, setIsLoading] = useState<boolean>(true)
   const [data, setData] = useState<MainPageData>(null)
-  const { data: graphQLData, error: graphQLRequestError } = useQuery(GET_MAIN_PAGE_DATA)
+  const { data: graphQLData, error: graphQLRequestError } = useQuery(GET_MAIN_PAGE_DATA, {
+    variables: { distinct: true },
+  })
+
   const [geoLocData, setGeoLocData] = useState<ChapterTypeAlgolia[]>([])
   const [modalOpenIndex, setModalOpenIndex] = useState<number | null>(null)