feat: 阶段2 Python后端、用户管理、统计、单词收藏与响应式适配

2026-08-01 17:46:04 +08:00
parent a2e705aa30
commit 55705683ff
26 changed files with 1929 additions and 42 deletions
@@ -0,0 +1,90 @@
+from flask import Blueprint, jsonify, request
+
+from .auth import login_required
+from .db import get_db, now_iso
+
+vocab_bp = Blueprint("vocabulary", __name__)
+
+
+def row_to_dict(row):
+    return dict(row)
+
+
+@vocab_bp.get("/api/vocabulary")
+@login_required
+def list_vocabulary(user):
+    conn = get_db()
+    try:
+        rows = conn.execute(
+            """
+            SELECT id, word, english, chinese, category, created_at
+            FROM vocabulary
+            WHERE user_id = ?
+            ORDER BY created_at DESC
+            """,
+            (user["id"],),
+        ).fetchall()
+        return jsonify([row_to_dict(r) for r in rows])
+    finally:
+        conn.close()
+
+
+@vocab_bp.post("/api/vocabulary")
+@login_required
+def add_vocabulary(user):
+    data = request.get_json(silent=True) or {}
+    word = (data.get("word") or "").strip()
+    if not word:
+        return jsonify({"error": "单词不能为空"}), 400
+    conn = get_db()
+    try:
+        existing = conn.execute(
+            "SELECT id FROM vocabulary WHERE user_id = ? AND word = ?",
+            (user["id"], word),
+        ).fetchone()
+        if existing:
+            row = conn.execute(
+                "SELECT id, word, english, chinese, category, created_at FROM vocabulary WHERE id = ?",
+                (existing["id"],),
+            ).fetchone()
+            return jsonify(row_to_dict(row))
+        cur = conn.execute(
+            """
+            INSERT INTO vocabulary (user_id, word, english, chinese, category, created_at)
+            VALUES (?, ?, ?, ?, ?, ?)
+            """,
+            (
+                user["id"],
+                word,
+                (data.get("english") or "").strip(),
+                (data.get("chinese") or "").strip(),
+                (data.get("category") or "").strip(),
+                now_iso(),
+            ),
+        )
+        conn.commit()
+        row = conn.execute(
+            "SELECT id, word, english, chinese, category, created_at FROM vocabulary WHERE id = ?",
+            (cur.lastrowid,),
+        ).fetchone()
+        return jsonify(row_to_dict(row)), 201
+    finally:
+        conn.close()
+
+
+@vocab_bp.delete("/api/vocabulary/<int:item_id>")
+@login_required
+def delete_vocabulary(user, item_id):
+    conn = get_db()
+    try:
+        row = conn.execute(
+            "SELECT id FROM vocabulary WHERE id = ? AND user_id = ?",
+            (item_id, user["id"]),
+        ).fetchone()
+        if row is None:
+            return jsonify({"error": "收藏不存在或无权访问"}), 404
+        conn.execute("DELETE FROM vocabulary WHERE id = ?", (item_id,))
+        conn.commit()
+        return jsonify({"ok": True})
+    finally:
+        conn.close()