[u] 接口实现

doc/README.md

@@ -2,8 +2,8 @@
 | 接口名             | 请求方法     | 参数                                       | 返回值                                      | 备注                                 |
 | --------------- | -------- | ---------------------------------------- | ---------------------------------------- | ---------------------------------- |
 | /index          | GET      |                                          |                                          |                                    |
-| /run            | GET      | award_id=int                             | {"status": 200, "msg": "success", "data": None} | 开始抽奖，进入抽奖状态                        |
+| /run            | GET      |                                          | {"status": 200, "msg": "success", "data": None} | 开始抽奖，进入抽奖状态                        |
-| /draw_lottery   | GET      |                                          | {"status": 200, "msg": "success", "data": [{"uid":uid, "name":name, "award_id":award_id, "role":role}]} | 获取抽奖结果，仅当抽奖状态才可调用此接口               |
+| /draw_lottery   | GET      | award_id=int                             | {"status": 200, "msg": "success", "data": [{"uid":uid, "name":name, "award_id":award_id, "role":role}]} | 获取抽奖结果，仅当抽奖状态才可调用此接口               |
 | ~~/update~~     | ~~POST~~ | ~~[{"uid":string, "awards_id":int}]~~    |                                          | ~~提交中奖用户~~                         |
 | /revoke         | GET      | uid=string                               | {"status": 200, "msg": "success", "data": None} | 取消用户中奖信息，uid为工号，例如G0001            |
 | /lucky_users    | GET      | award_id=int                             | {"status": 200, "msg": "success", "data": {award_id:[{"uid":uid, "name":name, "role":role}]}} | 获取所有中奖用户列表，传入award_id获取指定奖项的中奖用户列表 |

src/lottery.py

@@ -2,23 +2,26 @@
 # -*- coding:utf-8 -*-
 import tinydb as d
 import os
-from . import CURRENT_DIR
+import time
+from . import CURRENT_DIR, random_selector, users_db
 
 db = d.TinyDB(os.path.join(CURRENT_DIR, "lottery.db"))
 t_users = db.table('users')
 t_awards = db.table('awards')
 
 
+def current_ms():
+    return int(round(time.time() * 1000))
+
+
 def server_resp(status, msg, data=None):
     return {"status": status, "msg": msg, "data": data}
 
 
-def reset(users_db, awards_db):
+def reset():
     db.purge_tables()
-    for u in users_db:
+
-        t_users.insert(u)
+    add_users(users_db.load())
-    for a in awards_db:
-        t_awards.insert(a)
     return server_resp(200, "success")
 
 
@@ -31,14 +34,18 @@ def luckless_users():
     t_users.clear_cache()
     user = d.Query()
     return server_resp(200, "success", t_users.search(
-        (~user.award_id.exists()) | (user.award_id is None)))
+        user['award_id'] == None))
 
 
-def lucky_users():
+def lucky_users(award_id=None):
     t_users.clear_cache()
     user = d.Query()
+    if award_id is None:
+        return server_resp(200, "success", t_users.search(
+            user.award_id != None))
+    else:
         return server_resp(200, "success", t_users.search(
-        user.award_id is not None))
+            user.award_id == award_id))
 
 
 def awards():
@@ -46,12 +53,79 @@ def awards():
     return server_resp(200, "success", t_awards.all())
 
 
-def update(uid, award_id):
+def award(id):
-    t_users.clear_cache()
     t_awards.clear_cache()
+    award = t_awards.get(d.where('award_id') == id)
+    return server_resp(200, "success", award) if award else server_resp(500, "不存在此奖品")
+
+
+def update(uid, award_id):
+    # t_users.clear_cache()
+    # t_awards.clear_cache()
     if not t_awards.get(d.Query().award_id == award_id):
-        return server_resp(400, "不存在此奖品")
+        return server_resp(500, "不存在此奖品")
     if len(t_users.update({'award_id': award_id}, d.Query().uid == uid)) == 0:
-        return server_resp(401, "不存在此用户")
+        return server_resp(501, "不存在此用户")
     else:
         return server_resp(200, "success")
+
+
+def revoke(uid):
+    t_users.clear_cache()
+    t_awards.clear_cache()
+
+    user = t_users.get(d.where('uid') == uid)
+    if not user:
+        return server_resp(501, "不存在此用户")
+    if user['award_id']:
+        # award = t_awards.get(d.where('award_id') == user['award_id'])
+        # if award:
+        #     t_awards.update({'award_size': max(award['award_size']-1, 0)}, doc_ids=[award.doc_id])
+        t_users.update({'award_id': None}, doc_ids=[user.doc_id])
+    return server_resp(200, "success")
+
+
+def add_awards(awards):
+    t_awards.clear_cache()
+    for id, award in enumerate(awards):
+        t_awards.insert({'award_id': id,
+                         'award_name': award['award_name'],
+                         'award_size': award['award_capacity'],
+                         'award_capacity': award['award_capacity']})
+    return server_resp(200, "success")
+
+
+def add_users(users):
+    t_users.clear_cache()
+    for user in users:
+        t_users.insert({'uid': user['uid'].upper(),
+                        'name': user['name'],
+                        'award_id': None,
+                        'role': user['role']})
+
+
+def run():
+    global start_time
+    start_time = current_ms()
+    return server_resp(200, "success")
+
+
+def draw_lottery(award_id):
+    t_awards.clear_cache()
+
+    if not start_time:
+        return server_resp(402, "尚未开始抽奖")
+
+    award = t_awards.get(d.where('award_id') == award_id)
+    if not award:
+        return server_resp(500, "不存在此奖项")
+
+    t_users.clear_cache()
+    user = d.Query()
+    luckies = random_selector.randomselect(current_ms() - start_time, t_users.search(
+        user['award_id'] == None), award['award_capacity'])
+    for lucky in luckies:
+        update(lucky['uid'], award_id)
+        lucky.update({'award_id': award_id})
+    return server_resp(200, "success", luckies)
+

src/main.py

@@ -2,7 +2,7 @@
 # -*- coding:utf-8 -*-
 import bottle as b
 import os
-from . import CURRENT_DIR
+from . import CURRENT_DIR, lottery
 
 app = b.Bottle()
 
@@ -14,40 +14,69 @@ def index():
 
 @app.route('/update', method='POST')
 def update():
-    b.abort(403, "禁止修改中奖用户名单")
+    b.abort(403)
 
 
-@app.route('/revoke', method='POST')
+@app.route('/revoke')
 def revoke():
-    pass
+    uid = b.request.params.get('uid')
+    if not uid:
+        b.abort(403)
+    return lottery.revoke(id)
 
 
 @app.route('/users')
 def users():
-    pass
+    return lottery.users()
 
 
 @app.route('/lucky_users')
 def lucky_users():
-    if b.request.method == 'POST':
+    award_id = b.request.params.get('award_id')
-        pass
+    return lottery.lucky_users(award_id)
-    else:
-        pass
 
 
 @app.route('/luckless_users')
 def luckless_users():
-    pass
+    return lottery.luckless_users()
 
 
 @app.route('/awards')
 def awards():
-    pass
+    return lottery.awards()
+
+
+@app.route('/award')
+def award():
+    award_id = b.request.params.get('award_id')
+    if award_id is None:
+        b.abort(403)
+    if type(award_id) is not int:
+        award_id = int(award_id)
+    return lottery.award(award_id)
+
+
+@app.route('/add_awards', method='POST')
+def add_awards():
+    return lottery.add_awards(b.request.json)
 
 
 @app.route('/reset')
 def reset():
-    pass
+    return lottery.reset()
+
+
+@app.route('/run')
+def run():
+    return lottery.run()
+
+
+@app.route('/draw_lottery')
+def draw_lottery():
+    award_id = b.request.params.get('award_id')
+    if award_id is None:
+        b.abort(403)
+    return lottery.draw_lottery(award_id)
 
 
 @app.route('/static/<filepath:path>')
@@ -55,6 +84,11 @@ def callback(filepath):
     return b.static_file(filepath, os.path.join(CURRENT_DIR, "static"))
 
 
+@b.error
+def error403(error):
+    return "非法访问 " + error
+
+
 def run(host, port, debug):
     app.run(host=host, port=port, debug=debug)
 

src/random_selector.py

@@ -0,0 +1,20 @@
+#! /usr/bin/python3
+# -*- coding:utf-8 -*-
+import random
+import os
+
+
+class RandomSelector(object):
+    def __init__(self, elapsed):
+        if not 0 < elapsed <= 256*60:
+            elapsed = random.randrange(256*60)
+        self._selector = random.Random(int.from_bytes(os.urandom(32), 'big') * elapsed)
+
+    def randselect(self, items, num):
+        _items = items.copy()
+        self._selector.shuffle(_items)
+        return [_items[self._selector.randrange(len(_items))] for _ in range(num)]
+
+
+def randomselect(elapsed_ms, items, select_num):
+    return RandomSelector(elapsed_ms).randselect(items, select_num)

src/test_lottery.py

@@ -0,0 +1,127 @@
+#! /usr/bin/python3
+# -*- coding:utf-8 -*-
+
+import unittest
+from . import lottery as l
+import time
+
+
+class LotteryTestCase(unittest.TestCase):
+    def setUp(self):
+        print('开始测试', time.strftime('%Y-%m-%d(%a)%H:%M:%S'))
+        l.reset()
+        self._users = [
+            {
+                "uid": "G0001",
+                "name": "谷歌",
+                "award_id": None,
+                "role": 0
+            },
+            {
+                "uid": "G0002",
+                "name": "百度",
+                "award_id": None,
+                "role": 1
+            },
+            {
+                "uid": "G0003",
+                "name": "搜狗",
+                "award_id": None,
+                "role": 2
+            },
+            {
+                "uid": "G0004",
+                "name": "360",
+                "award_id": None,
+                "role": 3
+            },
+            {
+                "uid": "G0005",
+                "name": "亚马逊",
+                "award_id": None,
+                "role": 1
+            }
+        ]
+
+        self._awards = [
+                {
+                    "award_name": "三等奖(一)",
+                    "award_size": 2,
+                    "award_capacity": 2
+                },
+                {
+                    "award_name": "三等奖(二)",
+                    "award_size": 2,
+                    "award_capacity": 2
+                },
+                {
+                    "award_name": "二等奖",
+                    "award_size": 2,
+                    "award_capacity": 2
+                },
+                {
+                    "award_name": "一等奖",
+                    "award_size": 2,
+                    "award_capacity": 2
+                },
+                {
+                    "award_name": "特等奖",
+                    "award_size": 2,
+                    "award_capacity": 2
+                }
+            ]
+        l.add_users(self._users)
+        l.add_awards(self._awards)
+        for id, award in enumerate(self._awards):
+            award['award_id'] = id
+
+    def tearDown(self):
+        print('结束测试', time.strftime('%Y-%m-%d(%a)%H:%M:%S'))
+
+    def test_users(self):
+        self.assertCountEqual(self._users, l.users()['data'])
+        for user in l.users()['data']:
+            self.assertTrue(user in self._users)
+
+    def test_draw_lottery(self):
+        l.run()
+        dlr = l.draw_lottery(0)
+        self.assertEqual(dlr['status'], 200)
+        for lucky in l.lucky_users(0)['data']:
+            self.assertTrue(lucky in dlr['data'])
+            print('中奖用户为：', lucky)
+        for unlucky in l.luckless_users()['data']:
+            for lucky in dlr['data']:
+                self.assertNotEqual(lucky['uid'], unlucky['uid'])
+        self.assertEqual(len(l.users()['data']), len(l.lucky_users(0)['data']) + len(l.luckless_users()['data']))
+
+    def test_awards(self):
+        l.add_awards([{'award_name': "BOSS奖励", 'award_capacity': 1}])
+        self.assertEqual(6, len(l.awards()['data']))
+
+    def test_award(self):
+        award = l.award(3)
+        self.assertEqual('一等奖', award['data']['award_name'])
+
+    def test_update(self):
+        l.update('G0004', 3)
+        ok = False
+        for u in l.lucky_users(3)['data']:
+            if u['uid'] == 'G0004':
+                ok = True
+                break
+        self.assertTrue(ok)
+
+    def test_revoke(self):
+        l.update('G0004', 3)
+        l.revoke('G0004')
+        ok = False
+        for u in l.lucky_users(3)['data']:
+            if u['uid'] == 'G0004':
+                ok = True
+                break
+        self.assertFalse(ok)
+
+
+if __name__ == '__main__':
+    unittest.main()

src/users_db.py

@@ -0,0 +1,6 @@
+#! /usr/bin/python3
+# -*- coding:utf-8 -*-
+
+
+def load():
+    return []