502 lines
17 KiB
Python
502 lines
17 KiB
Python
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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"""
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小程序专用抖音播放量数据API服务器
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优化的数据格式和接口设计，专为小程序使用
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"""
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from flask import Blueprint, request, jsonify
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from datetime import datetime, timedelta
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import logging
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import re
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from database import db
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# 创建蓝图
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rank_bp = Blueprint('rank', __name__, url_prefix='/api/rank')
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# 获取数据库集合
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collection = db['Rankings_list']
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def format_playcount(playcount_str):
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"""格式化播放量字符串为数字"""
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if not playcount_str:
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return 0
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try:
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if isinstance(playcount_str, (int, float)):
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return int(playcount_str)
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playcount_str = str(playcount_str).strip()
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# 处理亿、万等单位
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if "亿" in playcount_str:
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num = float(re.findall(r'[\d.]+', playcount_str)[0])
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return int(num * 100000000)
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elif "万" in playcount_str:
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num = float(re.findall(r'[\d.]+', playcount_str)[0])
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return int(num * 10000)
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else:
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# 尝试直接转换数字
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return int(float(playcount_str))
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except:
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return 0
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def format_cover_url(cover_data):
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"""格式化封面图片URL"""
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if not cover_data:
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return ""
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if isinstance(cover_data, str):
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return cover_data
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elif isinstance(cover_data, dict) and 'url_list' in cover_data:
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return cover_data['url_list'][0] if cover_data['url_list'] else ""
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else:
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return ""
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def format_time(time_obj):
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"""格式化时间"""
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if not time_obj:
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return ""
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if isinstance(time_obj, datetime):
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return time_obj.strftime("%Y-%m-%d %H:%M:%S")
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else:
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return str(time_obj)
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def format_mix_item(doc):
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"""格式化合集数据项 - 完全按照数据库原始字段返回"""
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return {
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"_id": str(doc.get("_id", "")),
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"batch_time": format_time(doc.get("batch_time")),
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"mix_name": doc.get("mix_name", ""),
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"video_url": doc.get("video_url", ""),
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"playcount": doc.get("playcount", ""),
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"play_vv": doc.get("play_vv", 0),
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"request_id": doc.get("request_id", ""),
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"rank": doc.get("rank", 0),
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"cover_image_url": doc.get("cover_image_url", ""),
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"cover_backup_urls": doc.get("cover_backup_urls", [])
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}
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def get_mix_list(page=1, limit=20, sort_by="playcount"):
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"""获取合集列表（分页）"""
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try:
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# 计算跳过的数量
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skip = (page - 1) * limit
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# 设置排序字段
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if sort_by == "growth":
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# 按增长排序需要特殊处理
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return get_growth_mixes(page, limit)
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else:
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sort_field = "play_vv" if sort_by == "playcount" else "batch_time"
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sort_order = -1 # 降序
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# 获取今天的日期
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today = datetime.now().date()
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# 只查询今天的数据
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query_condition = {
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"batch_time": {
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"$gte": datetime(today.year, today.month, today.day),
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"$lt": datetime(today.year, today.month, today.day) + timedelta(days=1)
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}
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}
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# 查询数据并按短剧名称分组，取每个短剧的最新记录
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pipeline = [
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{"$match": query_condition},
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{"$sort": {"batch_time": -1}}, # 按时间倒序
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{"$group": {
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"_id": "$mix_name", # 按短剧名称分组
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"latest_doc": {"$first": "$$ROOT"} # 取每个分组的第一条记录（最新记录）
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}},
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{"$replaceRoot": {"newRoot": "$latest_doc"}},
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{"$sort": {sort_field: sort_order}},
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{"$skip": skip},
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{"$limit": limit}
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]
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docs = list(collection.aggregate(pipeline))
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# 获取总数
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total_pipeline = [
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{"$match": query_condition},
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{"$sort": {"batch_time": -1}},
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{"$group": {"_id": "$mix_name"}},
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{"$count": "total"}
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]
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total_result = list(collection.aggregate(total_pipeline))
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total = total_result[0]["total"] if total_result else 0
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# 格式化数据
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mix_list = []
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for doc in docs:
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item = format_mix_item(doc)
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mix_list.append(item)
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return {
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"success": True,
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"data": mix_list,
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"pagination": {
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"page": page,
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"limit": limit,
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"total": total,
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"pages": (total + limit - 1) // limit,
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"has_next": page * limit < total,
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"has_prev": page > 1
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},
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"sort_by": sort_by,
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"update_time": datetime.now().strftime("%Y-%m-%d %H:%M:%S")
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}
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except Exception as e:
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logging.error(f"获取合集列表失败: {e}")
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return {"success": False, "message": f"获取数据失败: {str(e)}"}
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def get_growth_mixes(page=1, limit=20, start_date=None, end_date=None):
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"""获取按播放量增长排序的合集列表"""
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try:
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# 计算跳过的数量
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skip = (page - 1) * limit
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# 如果没有提供日期，默认使用今天和昨天
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if not start_date or not end_date:
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end_date = datetime.now().date()
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start_date = end_date - timedelta(days=1)
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else:
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# 转换字符串日期为datetime对象
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if isinstance(start_date, str):
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start_date = datetime.strptime(start_date, "%Y-%m-%d").date()
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if isinstance(end_date, str):
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end_date = datetime.strptime(end_date, "%Y-%m-%d").date()
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# 查询结束日期的数据
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end_cursor = collection.find({
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"batch_time": {
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"$gte": datetime(end_date.year, end_date.month, end_date.day),
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"$lt": datetime(end_date.year, end_date.month, end_date.day) + timedelta(days=1)
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}
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})
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end_data = list(end_cursor)
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# 查询开始日期的数据
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start_cursor = collection.find({
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"batch_time": {
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"$gte": datetime(start_date.year, start_date.month, start_date.day),
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"$lt": datetime(start_date.year, start_date.month, start_date.day) + timedelta(days=1)
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}
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})
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start_data = list(start_cursor)
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# 创建字典以便快速查找
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end_dict = {item["mix_name"]: item for item in end_data}
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start_dict = {item["mix_name"]: item for item in start_data}
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# 计算增长数据
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growth_data = []
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for mix_name, end_item in end_dict.items():
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if mix_name in start_dict:
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start_item = start_dict[mix_name]
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growth = end_item.get("play_vv", 0) - start_item.get("play_vv", 0)
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# 只保留增长为正的数据
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if growth > 0:
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item = format_mix_item(end_item)
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item["growth"] = growth
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item["start_date"] = start_date.strftime("%Y-%m-%d")
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item["end_date"] = end_date.strftime("%Y-%m-%d")
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growth_data.append(item)
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else:
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# 如果开始日期没有数据，但结束日期有，也认为是新增长
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item = format_mix_item(end_item)
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item["growth"] = end_item.get("play_vv", 0)
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item["start_date"] = start_date.strftime("%Y-%m-%d")
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item["end_date"] = end_date.strftime("%Y-%m-%d")
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growth_data.append(item)
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# 按增长值降序排序
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growth_data.sort(key=lambda x: x.get("growth", 0), reverse=True)
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# 分页处理
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total = len(growth_data)
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paginated_data = growth_data[skip:skip + limit]
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# 添加排名
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for i, item in enumerate(paginated_data):
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item["rank"] = skip + i + 1
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return {
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"success": True,
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"data": paginated_data,
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"pagination": {
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"page": page,
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"limit": limit,
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"total": total,
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"pages": (total + limit - 1) // limit,
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"has_next": page * limit < total,
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"has_prev": page > 1
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},
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"sort_by": "growth",
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"date_range": {
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"start_date": start_date.strftime("%Y-%m-%d"),
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"end_date": end_date.strftime("%Y-%m-%d")
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},
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"update_time": datetime.now().strftime("%Y-%m-%d %H:%M:%S")
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}
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except Exception as e:
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logging.error(f"获取增长合集列表失败: {e}")
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# 如果增长计算失败，返回按播放量排序的数据作为备选
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return get_mix_list(page, limit, "playcount")
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def get_top_mixes(limit=10):
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"""获取热门合集（TOP榜单）"""
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try:
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# 按播放量排序获取热门合集
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cursor = collection.find().sort("play_vv", -1).limit(limit)
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docs = list(cursor)
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if not docs:
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return {"success": False, "message": "暂无数据"}
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# 格式化数据
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top_list = []
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for doc in docs:
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item = format_mix_item(doc)
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top_list.append(item)
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return {
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"success": True,
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"data": top_list,
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"total": len(top_list),
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"update_time": format_time(docs[0].get("batch_time")) if docs else ""
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}
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except Exception as e:
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logging.error(f"获取热门合集失败: {e}")
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return {"success": False, "message": f"获取数据失败: {str(e)}"}
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def search_mixes(keyword, page=1, limit=10):
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"""搜索合集"""
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try:
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if not keyword:
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return {"success": False, "message": "请提供搜索关键词"}
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# 计算跳过的数量
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skip = (page - 1) * limit
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# 构建搜索条件（模糊匹配合集名称）
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search_condition = {
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"mix_name": {"$regex": keyword, "$options": "i"}
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}
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# 查询数据
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cursor = collection.find(search_condition).sort("play_vv", -1).skip(skip).limit(limit)
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docs = list(cursor)
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# 获取搜索结果总数
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total = collection.count_documents(search_condition)
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# 格式化数据
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search_results = []
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for doc in docs:
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item = format_mix_item(doc)
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search_results.append(item)
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return {
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"success": True,
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"data": search_results,
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"keyword": keyword,
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"pagination": {
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"page": page,
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"limit": limit,
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"total": total,
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"pages": (total + limit - 1) // limit,
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"has_next": page * limit < total,
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"has_prev": page > 1
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},
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"update_time": datetime.now().strftime("%Y-%m-%d %H:%M:%S")
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}
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except Exception as e:
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logging.error(f"搜索合集失败: {e}")
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return {"success": False, "message": f"搜索失败: {str(e)}"}
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def get_mix_detail(mix_id):
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"""获取合集详情"""
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try:
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from bson import ObjectId
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# 尝试通过ObjectId查找
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try:
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doc = collection.find_one({"_id": ObjectId(mix_id)})
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except:
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# 如果ObjectId无效，尝试其他字段
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doc = collection.find_one({
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"$or": [
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{"mix_name": mix_id},
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{"request_id": mix_id}
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]
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})
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if not doc:
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return {"success": False, "message": "未找到合集信息"}
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# 格式化详细信息 - 只返回数据库原始字段
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detail = format_mix_item(doc)
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return {
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"success": True,
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"data": detail,
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"update_time": datetime.now().strftime("%Y-%m-%d %H:%M:%S")
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}
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except Exception as e:
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logging.error(f"获取合集详情失败: {e}")
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return {"success": False, "message": f"获取详情失败: {str(e)}"}
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def get_statistics():
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"""获取统计信息"""
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try:
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# 基本统计
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total_mixes = collection.count_documents({})
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if total_mixes == 0:
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return {"success": False, "message": "暂无数据"}
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# 播放量统计
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pipeline = [
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{
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"$group": {
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"_id": None,
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"total_playcount": {"$sum": "$play_vv"},
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"avg_playcount": {"$avg": "$play_vv"},
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"max_playcount": {"$max": "$play_vv"},
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"min_playcount": {"$min": "$play_vv"}
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}
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}
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]
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stats_result = list(collection.aggregate(pipeline))
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stats = stats_result[0] if stats_result else {}
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# 获取最新更新时间
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latest_doc = collection.find().sort("batch_time", -1).limit(1)
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latest_time = ""
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if latest_doc:
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latest_list = list(latest_doc)
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if latest_list:
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latest_time = format_time(latest_list[0].get("batch_time"))
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# 热门分类统计（按播放量区间）
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categories = [
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{"name": "超热门", "min": 100000000, "count": 0}, # 1亿+
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{"name": "热门", "min": 50000000, "max": 99999999, "count": 0}, # 5000万-1亿
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{"name": "中等", "min": 10000000, "max": 49999999, "count": 0}, # 1000万-5000万
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{"name": "一般", "min": 0, "max": 9999999, "count": 0} # 1000万以下
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]
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for category in categories:
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if "max" in category:
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count = collection.count_documents({
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"play_vv": {"$gte": category["min"], "$lte": category["max"]}
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})
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else:
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count = collection.count_documents({
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"play_vv": {"$gte": category["min"]}
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})
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category["count"] = count
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return {
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"success": True,
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"data": {
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"total_mixes": total_mixes,
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"total_playcount": stats.get("total_playcount", 0),
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"avg_playcount": int(stats.get("avg_playcount", 0)),
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"max_playcount": stats.get("max_playcount", 0),
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"min_playcount": stats.get("min_playcount", 0),
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"categories": categories,
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"latest_update": latest_time
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},
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"update_time": datetime.now().strftime("%Y-%m-%d %H:%M:%S")
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}
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except Exception as e:
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logging.error(f"获取统计信息失败: {e}")
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return {"success": False, "message": f"获取统计失败: {str(e)}"}
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# 路由定义
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@rank_bp.route('/videos')
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def get_videos():
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"""获取合集列表 - 兼容app.py调用"""
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page = int(request.args.get('page', 1))
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limit = int(request.args.get('limit', 20))
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sort_by = request.args.get('sort', 'playcount')
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if sort_by == 'growth':
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start_date = request.args.get('start_date')
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end_date = request.args.get('end_date')
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result = get_growth_mixes(page, limit, start_date, end_date)
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else:
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result = get_mix_list(page, limit, sort_by)
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return jsonify(result)
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@rank_bp.route('/top')
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def get_top():
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"""获取热门榜单 - 兼容app.py调用"""
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limit = int(request.args.get('limit', 10))
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result = get_top_mixes(limit)
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return jsonify(result)
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@rank_bp.route('/search')
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def search():
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"""搜索合集 - 兼容app.py调用"""
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keyword = request.args.get('q', '')
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page = int(request.args.get('page', 1))
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limit = int(request.args.get('limit', 10))
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result = search_mixes(keyword, page, limit)
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return jsonify(result)
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@rank_bp.route('/detail')
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def get_detail():
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"""获取合集详情 - 兼容app.py调用"""
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mix_id = request.args.get('id', '')
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result = get_mix_detail(mix_id)
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return jsonify(result)
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@rank_bp.route('/stats')
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def get_stats():
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"""获取统计信息 - 兼容app.py调用"""
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result = get_statistics()
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return jsonify(result)
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@rank_bp.route('/health')
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def health_check():
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"""健康检查 - 兼容app.py调用"""
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try:
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from database import client
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# 检查数据库连接
|
||
if not client:
|
||
return jsonify({"success": False, "message": "数据库未连接"})
|
||
|
||
# 测试数据库连接
|
||
client.admin.command('ping')
|
||
|
||
# 获取数据统计
|
||
total_count = collection.count_documents({})
|
||
|
||
return jsonify({
|
||
"success": True,
|
||
"message": "服务正常",
|
||
"data": {
|
||
"database": "连接正常",
|
||
"total_records": total_count,
|
||
"timestamp": datetime.now().strftime("%Y-%m-%d %H:%M:%S")
|
||
}
|
||
})
|
||
except Exception as e:
|
||
logging.error(f"健康检查失败: {e}")
|
||
return jsonify({"success": False, "message": f"服务异常: {str(e)}"}) |