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minipai2
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realize some api

Brightcells %!s(int64=9) %!d(string=hace) años
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bae4176e0c
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Se han modificado 2 ficheros con 132 adiciones y 3 borrados
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  1. 3 1
      .gitignore
  2. 129 2
      main.py

+ 3 - 1
.gitignore
Ver Fichero 

@@ -1 +1,3 @@
1 
-.idea/
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+.idea/
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+.DS_Store
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+minipai2.db

+ 129 - 2
main.py
Ver Fichero 

@@ -1,9 +1,13 @@
1 1 
 # -*- coding: utf-8 -*-
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+import glob
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+import os
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+import sqlite3
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+
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 from tornado.httpserver import HTTPServer
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 from tornado.ioloop import IOLoop
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 from tornado.options import define, options
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-from tornado.web import Application, RequestHandler
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+from tornado.web import Application, RequestHandler, StaticFileHandler
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 define('host', default='127.0.0.1', help='run on the given host', type=str)
 
@@ -11,13 +15,136 @@ define('port', default=8001, help='run on the given port', type=int)
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 options.parse_command_line()
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+ROOT_PATH = '/tmp/minipai2'
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+
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+# 创建数据表语句
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+CREATE_TABLE_STMT = """
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+    CREATE TABLE IF NOT EXISTS photoinfo (
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+    id integer primary key,
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+    lensman varchar(20),
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+    session varchar(20),
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+    name varchar(13)
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+);"""
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+# 创建索引语句
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+CREATE_INDEX1 = 'CREATE INDEX IF NOT EXISTS idx_lensman ON photoinfo (lensman);'
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+CREATE_INDEX2 = 'CREATE INDEX IF NOT EXISTS idx_session ON photoinfo (session);'
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+# 插入数据语句
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+INSERT_RECORD_STMT = 'INSERT INTO photoinfo VALUES (NULL, ?, ?, ?)'
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+# 查询数据语句
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+SELECT_RECORD_STMT = 'SELECT MAX(name) FROM photoinfo WHERE lensman = ? and session = ?'
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+
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+
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+conn = sqlite3.connect('minipai2.db')
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+cur = conn.cursor()
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+# 执行语句
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+cur.execute(CREATE_TABLE_STMT)
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+cur.execute(CREATE_INDEX1)
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+cur.execute(CREATE_INDEX2)
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+conn.commit()
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+
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+
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+def get_session_dir(lensman, session):
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+    return '{}/{}/{}'.format(ROOT_PATH, session, 'origin'), '{}/{}/{}'.format(ROOT_PATH, session, 'thumbnail')
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+
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+
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+def create_session_dir(lensman, session):
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+    for path in get_session_dir(lensman, session):
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+        if not os.path.exists(path):
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+            os.makedirs(path)
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+
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+
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+def get_last_timestamp(lensman, session):
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+    cur.execute(SELECT_RECORD_STMT, (lensman, session))
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+    result = cur.fetchall()
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+    return int(result[0][0] or 0)
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+
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+
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+def insert_session_file(lensman, session, name):
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+    cur.execute(INSERT_RECORD_STMT, (lensman, session, name))
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+    conn.commit()
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+
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+
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+def get_new_files(lensman, session, maxt):
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+    _, thumb = get_session_dir(lensman, session)
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+    files = glob.iglob('{}/*'.format(thumb))
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+    news = []
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+    for file in files:
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+        filename = file.split('/')[-1]
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+        name = filename.split('.')[0]
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+        if int(name) > maxt:
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+            insert_session_file(lensman, session, name)
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+            news.append({
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+                'id': name,
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+                'name': filename,
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+                'path': file.strip(ROOT_PATH),
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+            })
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+    return news
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+
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+
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 class HelloHandler(RequestHandler):
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     def get(self):
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         self.write('Hello Tornado')
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+class SessionStartHandler(RequestHandler):
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+    def post(self):
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+        lensman = self.get_argument('lensman', '')
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+        session = self.get_argument('session', '')
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+        create_session_dir(lensman, session)
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+        self.write({
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+            'status': 200,
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+        })
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+
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+
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+class SessionEndHandler(RequestHandler):
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+    def post(self):
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+        lensman = self.get_argument('lensman', '')
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+        session = self.get_argument('session', '')
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+        self.write({
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+            'status': 200,
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+        })
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+
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+
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+class FetchThumbnailHandler(RequestHandler):
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+    def post(self):
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+        lensman = self.get_argument('lensman', '')
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+        session = self.get_argument('session', '')
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+
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+        maxt = get_last_timestamp(lensman, session)
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+        files = get_new_files(lensman, session, maxt)
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+
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+        self.write({
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+            'status': 200,
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+            'data': {
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+                'files': files
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+            }
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+        })
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+
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+
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+class FetchOriginHandler(RequestHandler):
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+    def post(self):
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+        lensman = self.get_argument('lensman', '')
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+        session = self.get_argument('session', '')
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+
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+        name = self.get_argument('name', '')
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+
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+        origin, _ = get_session_dir(lensman, session)
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+
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+        self.write({
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+            'status': 200,
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+            'data': {
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+                'origin': '{}/{}'.format(origin, name).strip(ROOT_PATH)
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+            }
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+        })
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+
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+
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 handlers = [
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-    (r'/', HelloHandler)
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+    (r'/', HelloHandler),
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+    (r'/session_start', SessionStartHandler),
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+    (r'/session_end', SessionEndHandler),
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+    (r'/fetch_thumbnail', FetchThumbnailHandler),
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+    (r'/fetch_origin', FetchOriginHandler),
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+    (r'/static/(.*)', StaticFileHandler, {'path': ROOT_PATH}),
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 ]
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