def save_class(small_class_dict): """保存类别信息,目前只能增加和修改,不能删除类别""" old_dict_raw = get_cache("small_class_dict") new_dict = small_class_dict add_list = list() # 存放插入的小类的数组 update_list = list() # 存放更新的小类的数组 drop_list = list() # 存放删除的小类的id的数组 old_list = [] for k, v in old_dict_raw.items(): for i in v: temp = { "channel_id": k, "class_id": i['class_id'], "class_name": i['class_name'] } old_list.append(temp) new_list = [{ "channel_id": new_dict[key]['channel_id'], "class_id": new_dict[key]['class_id'], "class_name": key } for key in new_dict.keys()] if len(new_list) == 0: return {"message": "success"} else: new_keys = [x['class_id'] for x in new_list] drop_list = [ x['class_id'] for x in old_list if str(x['class_id']) not in new_keys ] old_keys = [x['class_id'] for x in old_list] for x in new_list: if x['class_id'] == "": add_list.append(x) else: update_list.append(x) sql_session = my_db.sql_session() if len(drop_list) > 0: for x in drop_list: sql = my_db.structure_sql("delete", "class_info", "where class_id={}".format(x)) sql_session.execute(sql) sql_session.commit() if len(update_list) > 0: for x in update_list: class_id = x.pop("class_id") sql = my_db.structure_sql("edit", "class_info", "where class_id={}".format(class_id), **x) sql_session.execute(sql) sql_session.commit() if len(add_list) > 0: for x in add_list: x.pop("class_id") sql = my_db.structure_sql("add", "class_info", **x) sql_session.execute(sql) sql_session.commit() sql_session.close() return {"message": "success"}
def manage_keywords(**kwargs): """对搜索热词,keywords,title,description的操作""" message = {"message": "success"} ses = my_db.sql_session() try: the_type = kwargs.pop('the_type') if the_type == "add": sql = my_db.structure_sql("add", 'key_word_info', kwargs) ses.execute(sql) ses.commit() elif the_type == 'delete': try: key_word_id = kwargs['key_word_id'] try: key_word_id = int(key_word_id) sql = 'select key_word_id from key_word_info' proxy = ses.execute(sql) result = [x[0] for x in proxy.fetchall()] if key_word_id not in result: message['message'] = '错误的id' else: sql = "delete from key_word_info where key_word_id={}".format(key_word_id) ses.execute(sql) ses.commit() except ValueError: raise ValueError("待删除id格式错误") message['message'] = '待删除id格式错误' except KeyError: raise KeyError("删除key_word_info没有找到key_word_id") message['message'] == '待删除id无效' elif the_type == 'edit': key_word_id = kwargs.get('key_word_id') if key_word_id is None: message['message'] = '没有key_word_id' else: if key_word_id.isdigit(): adict = {k: v for k, v in kwargs.items() if v != "" or v is not None} sql = my_db.structure_sql("edit", "key_word_info", "where key_word_id={}".format(key_word_id), **adict) ses.execute(sql) ses.commit() else: message['message'] = 'id非法' except KeyError: raise KeyError("the_type参数不存在") message['message'] = '操作类型错误' finally: ses.close() FromDB.yes("key_word_info") # 提醒要从数据库重新加载banner数据,参数为表明 return message
def vote(**kwargs): """投票计数""" message = {"message": "success"} kwargs['create_date'] = my_db.current_datetime() sql = my_db.structure_sql("add", "vote_count", **kwargs) sql_session = my_db.sql_session() try: sql_session.execute(sql) sql_session.commit() """同步道缓存""" lock = RLock() lock.acquire() add_vote_cache(kwargs['topic_id'], kwargs['support_a'], kwargs['support_b']) lock.release() except sqlalchemy.exc.IntegrityError as e1: """ re.findall(r"for key '(.+?)'",str) 是从str中找到匹配以for key 'PRIMARY'") 句子中的PRIMARY,findall方法返回的是数组 """ print(e1.args) error_cause = re.findall(r"for key '(.+?)'", e1.args[-1])[0] if error_cause == "only_once": message["message"] = "你已经投过票了" else: print(error_cause) message['message'] = "投票失败,请联系管理员" finally: sql_session.close() return message
def up_down(**kwargs): """赞和踩""" message = {"message": "success"} up_down_str = kwargs.get("up_down_str") if up_down_str is None: message['message'] = 'error' else: kwargs.pop("up_down_str") if up_down_str == "up": kwargs['up_it'] = 1 kwargs['down_it'] = 0 else: kwargs['up_it'] = 0 kwargs['down_it'] = 1 kwargs['create_date'] = my_db.current_datetime() ses = my_db.sql_session() comment_id = kwargs['comment_id'] only_id= kwargs['only_id'] sql = "delete from up_down_info where comment_id={} and only_id='{}'".format(comment_id, only_id) ses.execute(sql) ses.commit() sql = my_db.structure_sql("add", "up_down_info", **kwargs) ses.execute(sql) ses.commit() ses.close() return message
def edit_user(**kwargs): """修改用户资料,参数必须是键值对的形式""" message = {"message": "success"} flag, msg = check_user_args(**kwargs) if not flag: message["message"] = "参数错误%s" % (msg) else: user_id = kwargs.pop("user_id", None) if user_id is None or len(user_id) != 20: message["message"] = "无效的用户ID" else: sql = my_db.structure_sql( "edit", "user_info", query_terms="where user_id='{}'".format(user_id), **kwargs) session = my_db.sql_session() try: session.execute(sql) session.commit() except Exception as e: print(e) message['message'] = '编辑用户信息失败' finally: session.close() return message
def manage_topic(**kwargs): """用户对话题的管理""" message = {"message": "success"} try: the_type = kwargs.pop("the_type") if the_type == "add": """添加""" if kwargs['begin_date'] == "": kwargs['begin_date'] = my_db.current_datetime() if kwargs['end_date'] == "": kwargs['end_date'] = my_db.current_datetime(365) kwargs['can_show'] = 0 sql = my_db.structure_sql("add", "topic_info", **kwargs) sql_session = my_db.sql_session() print(sql) sql_session.execute(sql) sql_session.commit() sql_session.close() elif the_type == "edit": pass except KeyError: message['message'] = "不理解的操作" except Exception as e: message['message'] = "数据库执行错误" print(e) finally: return message
def edit_admin(**kwargs): """修改管理员资料,参数必须是键值对的形式""" message = {"message": "success"} if not check_admin_args(**kwargs): message["message"] = "参数错误" else: admin_id = kwargs.pop("admin_id", None) if admin_id is None or not my_db.validate_arg(admin_id): message["message"] = "无效的用户ID" else: sql = my_db.structure_sql( "edit", "admin_info", query_terms="where admin_id='{}'".format(admin_id), **kwargs) session = my_db.sql_session() try: session.execute(sql) session.commit() except Exception as e: print(e) message['message'] = '编辑管理员信息失败' finally: session.close() return message
def add_admin(**kwargs): """增加管理员,参数必须是键值对的形式,""" message = {"message": "success"} if not check_admin_args(**kwargs): message["message"] = "参数错误" else: try: sql = my_db.structure_sql("add", "admin_info", **kwargs) session = my_db.sql_session() session.execute(sql) session.commit() except sqlalchemy.exc.IntegrityError as e1: """ re.findall(r"for key '(.+?)'",str) 是从str中找到匹配以for key 'PRIMARY'") 句子中的PRIMARY,findall方法返回的是数组 """ print(e1.args) error_cause = re.findall(r"for key '(.+?)'", e1.args[-1])[0] if error_cause == "admin_phone": message["message"] = "管理员手机重复" else: print(error_cause) message['message'] = "添加管理员失败" except Exception as e2: print(e2) print("未知错误") finally: session.close() return message
def add_user(**kwargs): """增加用户,参数必须是键值对的形式,注意,暂时没追加微信登录的方式""" message = {"message": "success"} if not check_user_args(**kwargs): message["message"] = "参数错误" else: try: sql = my_db.structure_sql("add", "user_info", **kwargs) session = my_db.sql_session() session.execute(sql) session.commit() except sqlalchemy.exc.IntegrityError as e1: """ re.findall(r"for key '(.+?)'",str) 是从str中找到匹配以for key 'PRIMARY'") 句子中的PRIMARY,findall方法返回的是数组 """ print(e1.args) error_cause = re.findall(r"for key '(.+?)'", e1.args[-1])[0] if error_cause == "user_phone": message["message"] = "此手机已注册过" elif error_cause == "PRIMARY": message["message"] = "用户ID重复" else: print(error_cause) message['message'] = "注册失败,请联系客服" except Exception as e2: print(e2) print("未知错误") finally: session.close() return message
def save_channel(channel_dict): """保存频道信息""" new_dict = channel_dict if new_dict: sql_session = my_db.sql_session()() for k, v in new_dict: sql = my_db.structure_sql("edit", "channel_info", "where channel_id={}".format(k), channel_name=v) sql_session.execute(sql) sql_session.commit() sql_session.close() return True else: raise ValueError("频道信息错误") return False
def manage_comment(**kwargs): """管理用户留言""" message = {"message": "success"} ses = my_db.sql_session() try: the_type = kwargs.pop("the_type") if the_type == "add": """添加留言""" kwargs['create_date'] = my_db.current_datetime() sql = my_db.structure_sql("add", "comment_info", **kwargs) ses.execute(sql) ses.commit() elif the_type == "edit": comment_id = kwargs.pop("comment_id") sql = my_db.structure_sql("edit", "comment_info", "where comment_id={}".format(comment_id), **kwargs) ses.execute(sql) ses.commit() elif the_type == 'delete': comment_id = kwargs.pop("comment_id") sql = my_db.structure_sql("delete", "comment_info", "where comment_id={}".format(comment_id), **kwargs) ses.execute(sql) ses.commit() elif the_type == "by_comment_id": """根据评论id获取话题""" comment_id = kwargs.pop("comment_id") child_sql = "(SELECT CONCAT_WS(' vs ',SUM(up_it),SUM(down)) " \ "FROM up_down_info WHERE up_down_info.comment_id=comment_info.comment_id)" # 查询赞和踩的子查询 column_str = "comment_id,comment_text,comment_author,user_info.user_nickname,user_info.user_img_url," \ "create_date,support_side,topic_id,parent_comment,comment_status,{}".format(child_sql) sql = "select {} from comment_info,user_info where comment_status>0 user_id=comment_author " \ "and comment_id={}".format(column_str, comment_id) proxy = ses.execute(sql) result = proxy.fetchone() columns = [ 'comment_id', 'comment_text', 'user_id', 'user_nickname', 'user_img_url', 'create_date', 'support_side', 'topic_id', 'parent_comment', 'comment_status', "up_vs_down" ] """ 列名分别代表:评论id,评论内容,用户id,用户昵称,用户头像,发布时间,支持方向,话题id,评论状态 被评论对象id,赞和踩的数量 """ if result is None: message['data'] = dict() else: message['data'] = dict(zip(columns, result)) elif the_type == "by_topic_id": """根据话题id获取话题""" topic_id = kwargs.pop("topic_id") child_sql = "(SELECT CONCAT_WS(' vs ',SUM(up_it),SUM(down_it)) " \ "FROM up_down_info WHERE up_down_info.comment_id=comment_info.comment_id)" # 查询赞和踩的子查询 column_str = "comment_id,comment_text,comment_author,user_info.user_nickname,user_info.user_img_url," \ "comment_info.create_date,support_side,topic_id,parent_comment,comment_status,{}".\ format(child_sql) sql = "select {} from comment_info,user_info where comment_status>0 and user_id=comment_author " \ "and topic_id={}".format(column_str, topic_id) proxy = ses.execute(sql) result = proxy.fetchall() columns = [ 'comment_id', 'comment_text', 'user_id', 'user_nickname', 'user_img_url', 'create_date', 'support_side', 'topic_id', 'parent_comment', 'comment_status', "up_vs_down" ] """ 列名分别代表:评论id,评论内容,用户id,用户昵称,用户头像,发布时间,支持方向,话题id,评论状态 被评论对象id,赞和踩的数量 """ if len(result) == 0: message['data'] = list() else: result = [dict(zip(columns, x)) for x in result] message['data'] = result elif the_type == "all": """获取所有评论,用于后台管理""" topic_id = kwargs.pop("topic_id") child_sql = "(SELECT CONCAT_WS(' vs ',SUM(up_it),SUM(down)) " \ "FROM up_down_info WHERE up_down_info.comment_id=comment_info.comment_id)" # 查询赞和踩的子查询 column_str = "comment_id,comment_text,comment_author,user_info.user_nickname,user_info.user_img_url," \ "create_date,support_side,topic_id,parent_comment,comment_status,{}".format(child_sql) sql = "select {} from comment_info,user_info where user_id=comment_author " \ "and topic_id={}".format(column_str, topic_id) proxy = ses.execute(sql) result = proxy.fetchall() columns = [ 'comment_id', 'comment_text', 'user_id', 'user_nickname', 'user_img_url', 'create_date', 'support_side', 'topic_id', 'parent_comment', 'comment_status', "up_vs_down" ] """ 列名分别代表:评论id,评论内容,用户id,用户昵称,用户头像,发布时间,支持方向,话题id,评论状态 被评论对象id,赞和踩的数量 """ if len(result) == 0: message['data'] = list() else: message['data'] = [dict(zip(columns, x)) for x in result] elif the_type == "page": """分页查询所有评论""" index = kwargs.get("index") length = kwargs.get("page_length") try: index = int(index) length = int(length) columns = [ 'comment_id', 'comment_text', 'comment_author', 'comment_info.create_date', 'support_side', 'user_info.user_nickname', 'topic_id', 'topic_info.top_title', 'parent_comment', 'comment_status' ] sql = "select " + ",".join(columns) + ( " from comment_info,user_info,topic_info where " "topic_info.top_id=comment_info.topic_id and " "user_id=comment_author order by create_date desc " "limit {},{}".format((index - 1) * length, length)) try: columns = [ 'comment_id', 'comment_text', 'comment_author', 'create_date', 'support_side', 'user_nickname', 'topic_id', 'topic_title', 'parent_comment', 'comment_status' ] proxy_result = ses.execute(sql) result = proxy_result.fetchall() if len(result) != 0: result = [my_db.str_format(x) for x in result] data = [dict(zip(columns, x)) for x in result] else: data = [] message['data'] = data except Exception as e: print(e) message['message'] = "查询错误" except ValueError: message['message'] = "无效的页码或者步长" except KeyError: message['message'] = "不理解的操作" except Exception as e: print(e) message['message'] = "数据库执行错误" finally: ses.close() return message
def manage_topic_admin(**kwargs): """后台对话题的管理""" message = {"message": "success"} sql_session = my_db.sql_session() try: the_type = kwargs.pop("the_type") if the_type == "add": """添加""" if kwargs['begin_date'] == "": kwargs['begin_date'] = my_db.current_datetime() if kwargs['end_date'] == "": kwargs.pop('end_date') kwargs['can_show'] = 0 sql = my_db.structure_sql("add", "topic_info", **kwargs) print(sql) sql_session.execute(sql) sql_session.commit() elif the_type == "edit": """编辑""" try: top_id = kwargs.pop("top_id") if kwargs['begin_date'] == "": kwargs['begin_date'] = my_db.current_datetime() if kwargs['end_date'] == "": kwargs['end_date'] = my_db.current_datetime(365) sql = my_db.structure_sql("edit", "topic_info", "where top_id='{}'".format(top_id), **kwargs) sql_session.execute(sql) sql_session.commit() except KeyError: message['message'] == '错误的话题id' except Exception as e: message['message'] = "数据库执行错误" print(e) elif the_type == "drop": """删除""" try: top_id = kwargs.pop("top_id") sql = "delete from topic_info where top_id={}".format(top_id) sql_session.execute(sql) sql_session.commit() except KeyError: message['message'] == '错误的话题id' except Exception as e: message['message'] = "数据库执行错误" print(e) elif the_type == "status": """话题状态的调整,审核/拒绝/置顶等""" try: top_id = kwargs.pop("top_id") topic_status = kwargs.pop("topic_status") sql = "update topic_info set can_show={} where top_id={}".format( topic_status, top_id) sql_session.execute(sql) sql_session.commit() except KeyError: message['message'] = '错误的话题id' except Exception as e: print(e) message['message'] = "数据库执行错误" elif the_type == "single": """根据id获取单个话题的内容""" top_id = kwargs.pop("top_id") child_sql = "(SELECT CONCAT_WS(' vs ',SUM(support_a),SUM(support_b)) " \ "FROM vote_count WHERE vote_count.topic_id=topic_info.top_id)" # 查询ab支持度的子查询 sql = "SELECT top_id,top_title,top_content,viewpoint_a,viewpoint_b,can_show,img_url_a,img_url_b," \ "topic_info.channel_id,channel_info.channel_name,topic_info.class_id," \ "class_info.class_name,end_date,begin_date," \ "user_info.user_nickname,{} FROM topic_info,channel_info,class_info,user_info " \ "WHERE user_info.user_id=topic_info.author " \ "AND channel_info.channel_id=topic_info.channel_id and " \ "class_info.class_id=topic_info.class_id AND " \ "top_id='{}'".format(child_sql, top_id) columns = [ 'top_id', 'top_title', 'top_content', 'viewpoint_a', 'viewpoint_b', 'can_show', 'img_url_a', 'img_url_b', 'channel_id', 'channel_name', 'class_id', 'class_name', 'end_date', 'begin_date', 'author', "a_vs_b" ] proxy_result = sql_session.execute(sql) result = proxy_result.fetchone() result = my_db.str_format(result) sql_session.close() data = dict(zip(columns, result)) message['data'] = data elif the_type == "page": """分页查询话题""" index = kwargs.get("index") length = kwargs.get("page_length") try: index = int(index) length = int(length) columns = get_columns() sql = "select " + ",".join(columns) + ( " from topic_info order by create_date desc " "limit {},{}".format((index - 1) * length, length)) try: proxy_result = sql_session.execute(sql) result = proxy_result.fetchall() if len(result) != 0: result = [my_db.str_format(x) for x in result] data = [dict(zip(columns, x)) for x in result] else: data = [] message['data'] = data except Exception as e: print(e) message['message'] = "查询错误" except ValueError: message['message'] = "无效的页码或者步长" except KeyError as e: print(e) message['message'] = "不理解的操作" except Exception as e: print(e) message['message'] = "数据库执行错误" finally: sql_session.close() return message