add:新增永久保存，但是会永久占用一个码，问题待解决

Author: vastsa

main.py

@@ -176,11 +176,14 @@ async def get_file(code: str, token: str, ip: str = Depends(error_ip_limit), s:
 async def share(background_tasks: BackgroundTasks, text: str = Form(default=None),
                 style: str = Form(default='2'), value: int = Form(default=1), file: UploadFile = File(default=None),
                 ip: str = Depends(upload_ip_limit), s: AsyncSession = Depends(get_session)):
-    code = await get_code(s)
     if style == '2':
         if value > settings.MAX_DAYS:
             raise HTTPException(status_code=400, detail=f"最大有效天数为{settings.MAX_DAYS}天")
-        exp_time = datetime.datetime.now() + datetime.timedelta(days=value)
+        # 如果天数大于0，就设置过期时间，否则就设置为永久，无过期时间
+        if settings.ENABLE_PERMANENT and value < 0:
+            exp_time = None
+        else:
+            exp_time = datetime.datetime.now() + datetime.timedelta(days=value)
         exp_count = -1
     elif style == '1':
         if value < 1:
@@ -199,6 +202,7 @@ async def share(background_tasks: BackgroundTasks, text: str = Form(default=None
         background_tasks.add_task(storage.save_file, file, _text)
     else:
         size, _text, _type, name = len(text), text, 'text', '文本分享'
+    code = await get_code(s)
     s.add(Codes(code=code, text=_text, size=size, type=_type, name=name, count=exp_count, exp_time=exp_time, key=key))
     await s.commit()
     upload_ip_limit.add_ip(ip)

settings.py

@@ -1,7 +1,6 @@
 import uuid
 
 from starlette.config import Config
-import configparser
 
 # 配置文件.env，存放为data/.env
 config = Config("data/.env")
@@ -32,6 +31,8 @@ class Settings:
     ERROR_MINUTE = config('ERROR_MINUTE', cast=int, default=10)
     # 上传次数
     UPLOAD_COUNT = config('UPLOAD_COUNT', cast=int, default=60)
+    # 是否允许永久保存
+    ENABLE_PERMANENT = config('ENABLE_PERMANENT', cast=bool, default=True)
     # 上传限制分钟数
     UPLOAD_MINUTE = config('UPLOAD_MINUTE', cast=int, default=1)
     # 删除过期文件的间隔（分钟）

templates/admin.html

@@ -43,7 +43,8 @@
                                 <div>取件码：${ file.code }</div>
                                 <div>文件名：${ file.name }</div>
                                 <div>次&nbsp;&nbsp; 数：${ file.count }</div>
-                                <div>到&nbsp;&nbsp; 期：${ file.exp_time.slice(0,19) }</div>
+                                <div v-if="file.exp_time">到&nbsp;&nbsp; 期：${ file.exp_time.slice(0,19) }</div>
+                                <div v-else>到&nbsp;&nbsp; 期：永不过期</div>
                                 <div v-if="file.name==='文本分享'">
                                     <span style="white-space: pre-line">内&nbsp;&nbsp; 容：${ file.text }</span>
                                 </div>

templates/index.html

@@ -138,15 +138,18 @@
                     </el-carousel>
                 </div>
                 <el-row>
-                    <el-input style="width: 190px" placeholder="数量" v-model="uploadData.value"
-                              class="input-with-select">
-                        <el-select style="width: 75px" v-model="uploadData.style" slot="prepend" placeholder="请选择">
-                            <el-option label="天数" value="2"></el-option>
-                            <el-option label="次数" value="1"></el-option>
-                        </el-select>
-                        <el-button v-if="uploadData.style === '1'" slot="append" disabled>次</el-button>
-                        <el-button v-else slot="append" disabled>天</el-button>
-                    </el-input>
+                    <el-tooltip class="item" effect="dark" content="天数为-1则为永久" placement="top">
+                        <el-input style="width: 190px" placeholder="数量" v-model="uploadData.value"
+                                  class="input-with-select">
+                            <el-select style="width: 75px" v-model="uploadData.style" slot="prepend"
+                                       placeholder="请选择">
+                                <el-option label="天数" value="2"></el-option>
+                                <el-option label="次数" value="1"></el-option>
+                            </el-select>
+                            <el-button v-if="uploadData.style === '1'" slot="append" disabled>次</el-button>
+                            <el-button v-else slot="append" disabled>天</el-button>
+                        </el-input>
+                    </el-tooltip>
                     <el-radio-group style="margin-left: 18px" v-model="uploadData.type">
                         <el-radio label="1">
                             文件