fix templates v1

internal/db/questions_test.go

@@ -37,6 +37,7 @@ func TestQuestions(t *testing.T) {
 		{"Count", testQuestionsCount},
 		{"SetPrivate", testQuestionsSetPrivate},
 		{"SetPublic", testQuestionsSetPublic},
+		{"NextUnread", testQuestionsNextUnread},
 	} {
 		t.Run(tc.name, func(t *testing.T) {
 			t.Cleanup(func() {
@@ -493,3 +494,55 @@ func testQuestionsSetPublic(t *testing.T, ctx context.Context, db *questions) {
 		require.False(t, got.IsPrivate)
 	})
 }
+
+// NextUnread 必须满足三条：只取本人的提问、只取未读（is_read=false 且未回答）、按最早优先。
+func testQuestionsNextUnread(t *testing.T, ctx context.Context, db *questions) {
+	create := func(userID uint, content string) *Question {
+		q, err := db.Create(ctx, CreateQuestionOptions{
+			FromIP:  "114.5.1.4",
+			UserID:  userID,
+			Content: content,
+		})
+		require.Nil(t, err)
+		return q
+	}
+
+	q1 := create(1, "Content - 1")
+	q2 := create(1, "Content - 2")
+	q3 := create(1, "Content - 3")
+	other := create(2, "Content - other")
+
+	t.Run("oldest first", func(t *testing.T) {
+		got, err := db.NextUnread(ctx, 1, 0)
+		require.Nil(t, err)
+		require.Equal(t, q1.ID, got.ID)
+	})
+
+	t.Run("exclude current", func(t *testing.T) {
+		got, err := db.NextUnread(ctx, 1, q1.ID)
+		require.Nil(t, err)
+		require.Equal(t, q2.ID, got.ID)
+	})
+
+	t.Run("only own questions", func(t *testing.T) {
+		got, err := db.NextUnread(ctx, 2, 0)
+		require.Nil(t, err)
+		require.Equal(t, other.ID, got.ID)
+	})
+
+	t.Run("skip read and answered", func(t *testing.T) {
+		require.Nil(t, db.SetRead(ctx, q1.ID))
+		require.Nil(t, db.SetRead(ctx, q2.ID))
+		require.Nil(t, db.AnswerByID(ctx, q3.ID, "Answer - 3"))
+
+		got, err := db.NextUnread(ctx, 1, 0)
+		require.Nil(t, err)
+		require.Nil(t, got, "已读与已回答都不算未读")
+	})
+
+	t.Run("empty", func(t *testing.T) {
+		got, err := db.NextUnread(ctx, 404, 0)
+		require.Nil(t, err)
+		require.Nil(t, got)
+	})
+}