house/main.py

from house_service import *

def print_menu():
    print("\n===== 房屋出租系统 V5.0 =====")
    print("1. 新增房源")
    print("2. 删除房源")
    print("3. 修改房源")
    print("4. 查询房源")
    print("5. 查看/管理操作记录")
    print("6. 查看/管理浏览历史")
    print("7. 地址字符串解析测试")
    print("8. 按区域关键词模糊查询")
    print("9. 初始化小区邻接矩阵")
    print("10. 更新小区间距离")
    print("11. 房源二叉树范围查询（租金/面积）")
    print("12. 房源冒泡排序（租金/面积）")
    print("13. 房源快速排序（租金/面积）")
    #V5.0 新增菜单
    print("14. 可视化小区距离图（邻接矩阵）")
    print("15. 计算小区间最短路径（Dijkstra）")
    print("16. 基于最短路径推荐房源")
    print("17. 退出系统")
    print("============================")


# V2原有操作记录子菜单
def op_record_menu():
    while True:
        print("\n----- 操作记录管理 -----")
        print("1. 查看最近10条")
        print("2. 取出最新一条")
        print("3. 清空记录")
        print("4. 返回")
        c = input("请选择：")
        if c == "1":
            lst = get_recent_records("operation", 10)
            print(lst if lst else "暂无记录")
        elif c == "2":
            print(pop_operation_stack() or "暂无记录")
        elif c == "3":
            clear_stack("operation")
        elif c == "4":
            break
        else:
            print("输入有误")


# V2浏览历史子菜单
def browse_history_menu():
    while True:
        print("\n----- 浏览历史管理 -----")
        print("1. 查看最近10条")
        print("2. 取出最新一条")
        print("3. 清空历史")
        print("4. 返回")
        c = input("请选择：")
        if c == "1":
            id_list = get_recent_records("browse", 10)
            if not id_list:
                print("暂无浏览历史")
                continue
            for idx, hid in enumerate(id_list, 1):
                info = query_house("id", hid)
                if info:
                    h = info[0]
                    print(f"{idx}. ID:{hid} 地址:{h['address']}")
                else:
                    print(f"{idx}. ID:{hid} 房源已不存在")
        elif c == "2":
            hid = pop_browse_stack()
            if not hid:
                print("暂无浏览历史")
                continue
            info = query_house("id", hid)
            print(f"最近浏览ID:{hid}")
        elif c == "3":
            clear_stack("browse")
        elif c == "4":
            break
        else:
            print("输入有误")

def main():
    while True:
        print_menu()
        choice = input("请输入功能编号：")

        # ========== V1 原有功能==========
        if choice == "1":
            addr = input("输入房源地址：")
            try:
                price = float(input("输入月租金："))
                area = float(input("输入面积："))
            except:
                print("租金面积必须是数字！")
                continue
            htype = input("输入户型：")
            if add_house(addr, price, area, htype):
                new_id = get_next_house_id() - 1
                push_operation_stack(f"新增房源ID:{new_id} 地址:{addr}")

        elif choice == "2":
            try:
                hid = int(input("输入要删除房源ID："))
                res = query_house("id", hid)
                addr = res[0]["address"] if res else "未知地址"
                if delete_house(hid):
                    push_operation_stack(f"删除房源ID:{hid} 地址:{addr}")
            except:
                print("ID必须是整数")

        elif choice == "3":
            try:
                hid = int(input("输入要修改房源ID："))
                edit = {}
                a = input("新地址(回车不修改)：")
                if a: edit["address"] = a
                p = input("新租金(回车不修改)：")
                if p: edit["price"] = float(p)
                ar = input("新面积(回车不修改)：")
                if ar: edit["area"] = float(ar)
                t = input("新户型(回车不修改)：")
                if t: edit["house_type"] = t
                if edit:
                    if update_house(hid, edit):
                        push_operation_stack(f"修改房源ID:{hid} 变更:{edit}")
                else:
                    print("未填写任何修改内容")
            except:
                print("输入格式错误")

        elif choice == "4":
            print("1-ID  2-地址  3-租金  4-户型")
            sel = input("选择查询类型：")
            map_dic = {"1": "id", "2": "address", "3": "price", "4": "house_type"}
            if sel not in map_dic:
                print("选择无效")
                continue
            val = input("输入查询值：")
            res_list = query_house(map_dic[sel], val)
            if not res_list:
                print("未找到房源")
                continue
            for h in res_list:
                print(f"ID:{h['id']} 地址:{h['address']} 租金:{h['price']}")
                if map_dic[sel] == "id":
                    push_browse_stack(h["id"])

        # ========== V2 原有功能 ==========
        elif choice == "5":
            op_record_menu()
        elif choice == "6":
            browse_history_menu()

        # ========== V3 原有功能==========
        elif choice == "7":
            full_addr = input("输入完整地址（如：四川省德阳市什邡市XX小区）：")
            res = parse_address_string(full_addr)
            print("解析结果：", res)

        elif choice == "8":
            keyword = input("输入区域关键词（如：什邡、德阳）：")
            res_list = fuzzy_query_by_district(keyword)
            if not res_list:
                print("未找到该区域房源")
            else:
                for h in res_list:
                    print(f"ID:{h['id']} 地址:{h['address']}")

        elif choice == "9":
            community_input = input("输入所有小区名称，用英文逗号分隔：")
            community_list = community_input.split(",")
            init_community_matrix(community_list)

        elif choice == "10":
            c1 = input("输入小区A名称：")
            c2 = input("输入小区B名称：")
            try:
                dis = float(input("输入两小区距离："))
                update_matrix_distance(c1, c2, dis)
            except:
                print("距离必须是数字")

        # ========== V4 原有功能==========
        elif choice == "11":
            print("请选择查询维度：1-租金  2-面积")
            dim_choice = input("输入维度编号：")
            key_field = "price" if dim_choice == "1" else "area"
            field_name = "租金" if dim_choice == "1" else "面积"

            try:
                min_val = float(input(f"输入{field_name}最小值："))
                max_val = float(input(f"输入{field_name}最大值："))
            except:
                print("数值必须是数字！")
                continue

            all_houses = read_houses()
            if not all_houses:
                print("暂无房源数据！")
                continue
            bst_root = build_house_bst(all_houses, key_field)
            result = search_bst_range(bst_root, min_val, max_val, key_field)
            if not result:
                print(f"未找到{field_name}在{min_val}-{max_val}之间的房源")
            else:
                print(f"\n{field_name}在{min_val}-{max_val}之间的房源：")
                for h in result:
                    print(f"ID:{h['id']} 地址:{h['address']} {field_name}:{h[key_field]}")

        elif choice == "12":
            print("请选择排序维度：1-租金  2-面积")
            dim_choice = input("输入维度编号：")
            sort_field = "price" if dim_choice == "1" else "area"
            field_name = "租金" if dim_choice == "1" else "面积"

            print("请选择排序方式：1-升序  2-降序")
            sort_way = input("输入方式编号：")
            reverse = (sort_way == "2")

            all_houses = read_houses()
            if not all_houses:
                print("暂无房源数据！")
                continue
            sorted_houses = bubble_sort_houses(all_houses, sort_field, reverse)
            print(f"\n按{field_name}{'降序' if reverse else '升序'}排序结果（冒泡排序）：")
            for h in sorted_houses:
                print(f"ID:{h['id']} 地址:{h['address']} {field_name}:{h[sort_field]}")

        elif choice == "13":
            print("请选择排序维度：1-租金  2-面积")
            dim_choice = input("输入维度编号：")
            sort_field = "price" if dim_choice == "1" else "area"
            field_name = "租金" if dim_choice == "1" else "面积"

            print("请选择排序方式：1-升序  2-降序")
            sort_way = input("输入方式编号：")
            reverse = (sort_way == "2")

            all_houses = read_houses()
            if not all_houses:
                print("暂无房源数据！")
                continue
            sorted_houses = quick_sort_houses(all_houses, sort_field, reverse)
            print(f"\n按{field_name}{'降序' if reverse else '升序'}排序结果（快速排序）：")
            for h in sorted_houses:
                print(f"ID:{h['id']} 地址:{h['address']} {field_name}:{h[sort_field]}")

        # ========== V5 新增功能分支 ==========
        elif choice == "14":
            # 可视化小区图
            print_community_graph()

        elif choice == "15":
            # 计算最短路径
            start_comm = input("输入起始小区名称：")
            end_comm = input("输入目标小区名称：")
            shortest_dist, shortest_path = dijkstra_shortest_path(start_comm, end_comm)
            if shortest_dist is not None:
                print(f"\n{start_comm} 到 {end_comm} 的最短距离：{shortest_dist:.1f}")
                print(f"最短路径：{' -> '.join(shortest_path)}")

        elif choice == "16":
            # 基于路径推荐房源
            target_comm = input("输入目标小区名称：")
            try:
                max_dist = float(input("输入最大推荐距离："))
            except:
                print("距离必须是数字！")
                continue
            recommend_list = recommend_houses_by_path(target_comm, max_dist)
            if not recommend_list:
                print(f"未找到{target_comm}周边{max_dist}范围内的房源")
            else:
                print(f"\n{target_comm}周边{max_dist}范围内的推荐房源：")
                for h in recommend_list:
                    print(f"ID:{h['id']} 地址:{h['address']} 租金:{h['price']} 面积:{h['area']}")

        elif choice == "17":
            print("系统退出成功！")
            break
        else:
            print("请输入有效编号")


if __name__ == "__main__":
    main()