add:fronted

apps/base/utils.py

@@ -0,0 +1,72 @@
+# @Time    : 2023/8/14 01:10
+# @Author  : Lan
+# @File    : utils.py
+# @Software: PyCharm
+import datetime
+import uuid
+import os
+from fastapi import UploadFile
+
+from apps.base.models import FileCodes
+from core.utils import get_random_num, get_random_string
+
+
+async def get_file_path_name(file: UploadFile):
+    """
+    获取文件路径和文件名
+    :param file:
+    :return: {
+        'path': 'share/data/2021/08/13',
+        'suffix': '.jpg',
+        'prefix': 'test',
+        'file_uuid': '44a83bbd70e04c8aa7fd93bfd8c88249',
+        'uuid_file_name': '44a83bbd70e04c8aa7fd93bfd8c88249.jpg',
+        'save_path': 'share/data/2021/08/13/44a83bbd70e04c8aa7fd93bfd8c88249.jpg'
+    }
+    """
+    today = datetime.datetime.now()
+    path = f"share/data/{today.strftime('%Y/%m/%d')}"
+    prefix, suffix = os.path.splitext(file.filename)
+    file_uuid = f"{uuid.uuid4().hex}"
+    uuid_file_name = f"{file_uuid}{suffix}"
+    save_path = f"{path}/{uuid_file_name}"
+    return path, suffix, prefix, uuid_file_name, file_uuid, save_path
+
+
+async def get_expire_info(expire_value: int, expire_style: str):
+    """
+    获取过期信息
+    :param expire_value:
+    :param expire_style:
+    :return: expired_at 过期时间, expired_count 可用次数, used_count 已用次数, code 随机码
+    """
+    expired_count, used_count, now, code = -1, 0, datetime.datetime.now(), None
+
+    if expire_style == 'day':
+        expired_at = now + datetime.timedelta(days=expire_value)
+    elif expire_style == 'hour':
+        expired_at = now + datetime.timedelta(hours=expire_value)
+    elif expire_style == 'minute':
+        expired_at = now + datetime.timedelta(minutes=expire_value)
+    elif expire_style == 'count':
+        expired_at = now + datetime.timedelta(days=1)
+        expired_count = expire_value
+    elif expire_style == 'forever':
+        expired_at = None
+        code = await get_random_code(style='string')
+    else:
+        expired_at = now + datetime.timedelta(days=1)
+    if not code:
+        code = await get_random_code()
+    return expired_at, expired_count, used_count, code
+
+
+async def get_random_code(style='num'):
+    """
+    获取随机字符串
+    :return:
+    """
+    while True:
+        code = await get_random_num() if style == 'num' else await get_random_string()
+        if not await FileCodes.filter(code=code).exists():
+            return code