fix(rpc): provides search should return name match

We need to return packages matching on the name as well.
(A package always provides itself)

Signed-off-by: moson-mo <mo-son@mailbox.org>

aurweb/rpc.py

@@ -376,8 +376,18 @@ class RPC:
         search.search_by(by, arg)
 
         max_results = config.getint("options", "max_rpc_results")
-        results = self.entities(search.results()).limit(max_results + 1).all()
 
+        query = self.entities(search.results()).limit(max_results + 1)
+
+        # For "provides", we need to union our relation search
+        # with an exact search since a package always provides itself.
+        # Turns out that doing this with an OR statement is extremely slow
+        if by == "provides":
+            search = RPCSearch()
+            search._search_by_exact_name(arg)
+            query = query.union(self.entities(search.results()))
+
+        results = query.all()
         if len(results) > max_results:
             raise RPCError("Too many package results.")
 

test/test_rpc.py

@@ -920,6 +920,19 @@ def test_rpc_search_provides(
     assert result.get("Name") == packages[0].Name
 
 
+def test_rpc_search_provides_self(
+    client: TestClient, packages: list[Package], relations: list[PackageRelation]
+):
+    params = {"v": 5, "type": "search", "by": "provides", "arg": "big-chungus"}
+    with client as request:
+        response = request.get("/rpc", params=params)
+    data = response.json()
+    # expected to return "big-chungus"
+    assert data.get("resultcount") == 1
+    result = data.get("results")[0]
+    assert result.get("Name") == packages[0].Name
+
+
 def test_rpc_search_conflicts(
     client: TestClient, packages: list[Package], relations: list[PackageRelation]
 ):