From 8e73d12a703e90ad908962143951178c13d0d6fe Mon Sep 17 00:00:00 2001
From: nsfisis <nsfisis@gmail.com>
Date: Fri, 20 Feb 2026 23:32:22 +0900
Subject: feat: add user submission history page

Allow users to view their own past submissions (code, size, status,
timestamp) for each game. Adds API endpoint, backend handler, SQL query,
and frontend page with expandable code display.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
---
 backend/db/query.sql.go | 39 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)

(limited to 'backend/db/query.sql.go')

diff --git a/backend/db/query.sql.go b/backend/db/query.sql.go
index 02f1abf..80cbc16 100644
--- a/backend/db/query.sql.go
+++ b/backend/db/query.sql.go
@@ -705,6 +705,45 @@ func (q *Queries) GetSubmissionsByGameID(ctx context.Context, gameID int32) ([]S
 	return items, nil
 }
 
+const getSubmissionsByGameIDAndUserID = `-- name: GetSubmissionsByGameIDAndUserID :many
+SELECT submission_id, game_id, user_id, code, code_size, status, created_at FROM submissions
+WHERE game_id = $1 AND user_id = $2
+ORDER BY created_at DESC
+`
+
+type GetSubmissionsByGameIDAndUserIDParams struct {
+	GameID int32
+	UserID int32
+}
+
+func (q *Queries) GetSubmissionsByGameIDAndUserID(ctx context.Context, arg GetSubmissionsByGameIDAndUserIDParams) ([]Submission, error) {
+	rows, err := q.db.Query(ctx, getSubmissionsByGameIDAndUserID, arg.GameID, arg.UserID)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	var items []Submission
+	for rows.Next() {
+		var i Submission
+		if err := rows.Scan(
+			&i.SubmissionID,
+			&i.GameID,
+			&i.UserID,
+			&i.Code,
+			&i.CodeSize,
+			&i.Status,
+			&i.CreatedAt,
+		); err != nil {
+			return nil, err
+		}
+		items = append(items, i)
+	}
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
+	return items, nil
+}
+
 const getTestcaseByID = `-- name: GetTestcaseByID :one
 SELECT testcase_id, problem_id, stdin, stdout FROM testcases
 WHERE testcase_id = $1
-- 
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