Add semantic search on report filter

apps/reports/graphql/filters.py

@@ -1,7 +1,11 @@
+from concurrent.futures import ThreadPoolExecutor
+from uuid import UUID
+
 import strawberry
 import strawberry_django
 from django.db.models import Q
 
+from apps.reports.ai_features.search_docs import SearchReports
 from apps.reports.models import (
     DocumentExtraction,
     DocumentExtractionStatus,
@@ -15,6 +19,11 @@
 from apps.reports.models import ReportType as ReportTypeEnum
 
 
+def _get_ranked_ids(value: str) -> list[UUID]:
+    ranked_reports = SearchReports(query=value).rank_reports()
+    return [r.id for r in ranked_reports]
+
+
 @strawberry_django.filters.filter(Link, lookups=True)
 class LinkFilter:
     id: strawberry.ID | None = strawberry.UNSET
@@ -43,10 +52,20 @@ class ReportFilter:
     thematic_area_id: strawberry.ID | None = strawberry.UNSET
     disaster_type: str | None = strawberry.UNSET
     report_type: ReportTypeEnum | None = strawberry.UNSET
+    title: strawberry.auto
 
     @strawberry_django.filter_field
-    def search(self, value: str, prefix: str) -> Q:
-        return Q(title__icontains=value)
+    def search(self, queryset, value: str, prefix: str):
+        if not value or not value.strip():
+            return Q()
+
+        with ThreadPoolExecutor(max_workers=1) as executor:
+            ids = executor.submit(_get_ranked_ids, value).result()
+
+        if not ids:
+            return Q(pk__in=[])  # if nothing matches
+
+        return Q(id__in=ids)
 
     @strawberry_django.filter_field
     def regions(self, queryset, value: list[strawberry.ID], prefix: str) -> Q:

apps/reports/graphql/inputs.py

@@ -30,7 +30,7 @@ class ReportCreateInput:
     iframe_url: str | None = strawberry.UNSET
     visibility: ReportVisibility = ReportVisibility.PUBLIC
     report_type: ReportType = ReportType.REPORT
-    thematic_area: strawberry.ID
+    thematic_area: strawberry.ID | None = strawberry.UNSET
     region: strawberry.ID | None = strawberry.UNSET
     disaster_type: str | None = strawberry.UNSET
     owner: str | None = strawberry.UNSET

apps/reports/graphql/queries.py

@@ -5,7 +5,7 @@
 from main.graphql.permissions import IsAuthenticated
 
 from .filters import LinkFilter, ReportFilter, ReportSummaryFilter, ThematicAreaFilter
-from .orders import LinkOrder, ReportOrder
+from .orders import LinkOrder
 from .types import LinkType, ReportSummaryType, ReportType, ThematicAreaType
 
 
@@ -17,7 +17,6 @@ class Query:
 
     reports: OffsetPaginated[ReportType] = strawberry_django.offset_paginated(
         filters=ReportFilter,
-        order=ReportOrder,
     )
 
     report: ReportType = strawberry_django.field()

apps/reports/migrations/0010_alter_report_thematic_area.py

@@ -0,0 +1,19 @@
+# Generated by Django 6.0.3 on 2026-06-30 08:17
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('reports', '0009_create_hnsw_index'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='report',
+            name='thematic_area',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.PROTECT, related_name='reports', to='reports.thematicarea'),
+        ),
+    ]

apps/reports/models.py

@@ -92,6 +92,8 @@ class Report(BaseModel):
         ThematicArea,
         on_delete=models.PROTECT,
         related_name="reports",
+        blank=True,
+        null=True,
     )
     region = models.ForeignKey(
         "geo.AdminArea",

apps/reports/tests/queries_test.py

@@ -10,7 +10,7 @@ class TestReportQueries(TestCase):
     class Query:
         REPORTS = """
             query Reports($pagination: OffsetPaginationInput, $filters: ReportFilter) {
-                reports(pagination: $pagination, filters: $filters, order: {createdAt: DESC}) {
+                reports(pagination: $pagination, filters: $filters) {
                     totalCount
                     pageInfo { offset limit }
                     results {

schema.graphql

@@ -892,7 +892,7 @@ type Query {
   user(id: ID!): UserType!
   me: UserMeType
   thematicAreas(pagination: OffsetPaginationInput, filters: ThematicAreaFilter): ThematicAreaTypeOffsetPaginated!
-  reports(pagination: OffsetPaginationInput, filters: ReportFilter, order: ReportOrder): ReportTypeOffsetPaginated!
+  reports(pagination: OffsetPaginationInput, filters: ReportFilter): ReportTypeOffsetPaginated!
   report(id: ID!): ReportType!
   publicLinks(pagination: OffsetPaginationInput, filters: LinkFilter, order: LinkOrder): LinkTypeOffsetPaginated!
   internalLinks(pagination: OffsetPaginationInput, filters: LinkFilter, order: LinkOrder): LinkTypeOffsetPaginated!
@@ -933,7 +933,7 @@ input ReportCreateInput {
   iframeUrl: String
   visibility: ReportVisibility! = PUBLIC
   reportType: ReportTypeEnum! = REPORT
-  thematicArea: ID!
+  thematicArea: ID
   region: ID
   disasterType: String
   owner: String
@@ -958,6 +958,7 @@ input ReportFilter {
   thematicAreaId: ID
   disasterType: String
   reportType: ReportTypeEnum
+  title: StrFilterLookup
   AND: ReportFilter
   OR: ReportFilter
   NOT: ReportFilter
@@ -966,12 +967,6 @@ input ReportFilter {
   regions: [ID!]
 }
 
-input ReportOrder @oneOf {
-  title: Ordering
-  createdAt: Ordering
-  publishedAt: Ordering
-}
-
 """
 Tracks the AI extraction lifecycle for a FILE-type Report.
 
@@ -1095,6 +1090,54 @@ enum ReportVisibility {
 
 union ResetUserPasswordPayload = UserTypeMutationResponseType | OperationInfo
 
+input StrFilterLookup {
+  """Exact match. Filter will be skipped on `null` value"""
+  exact: String
+
+  """Assignment test. Filter will be skipped on `null` value"""
+  isNull: Boolean
+
+  """
+  Exact match of items in a given list. Filter will be skipped on `null` value
+  """
+  inList: [String!]
+
+  """Case-insensitive exact match. Filter will be skipped on `null` value"""
+  iExact: String
+
+  """
+  Case-sensitive containment test. Filter will be skipped on `null` value
+  """
+  contains: String
+
+  """
+  Case-insensitive containment test. Filter will be skipped on `null` value
+  """
+  iContains: String
+
+  """Case-sensitive starts-with. Filter will be skipped on `null` value"""
+  startsWith: String
+
+  """Case-insensitive starts-with. Filter will be skipped on `null` value"""
+  iStartsWith: String
+
+  """Case-sensitive ends-with. Filter will be skipped on `null` value"""
+  endsWith: String
+
+  """Case-insensitive ends-with. Filter will be skipped on `null` value"""
+  iEndsWith: String
+
+  """
+  Case-sensitive regular expression match. Filter will be skipped on `null` value
+  """
+  regex: String
+
+  """
+  Case-insensitive regular expression match. Filter will be skipped on `null` value
+  """
+  iRegex: String
+}
+
 input TeamCreateInput {
   name: String!
   description: String