1# Copyright (C) 2010 Google Inc. All rights reserved.
2#
3# Redistribution and use in source and binary forms, with or without
4# modification, are permitted provided that the following conditions are
5# met:
6#
7#     * Redistributions of source code must retain the above copyright
8# notice, this list of conditions and the following disclaimer.
9#     * Redistributions in binary form must reproduce the above
10# copyright notice, this list of conditions and the following disclaimer
11# in the documentation and/or other materials provided with the
12# distribution.
13#     * Neither the name of Google Inc. nor the names of its
14# contributors may be used to endorse or promote products derived from
15# this software without specific prior written permission.
16#
17# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
20# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
21# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
22# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
23# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
27# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28
29from datetime import datetime
30import logging
31
32from google.appengine.ext import db
33
34from model.datastorefile import DataStoreFile
35
36
37class TestFile(DataStoreFile):
38    master = db.StringProperty()
39    builder = db.StringProperty()
40    test_type = db.StringProperty()
41
42    @classmethod
43    def delete_file(cls, key, master, builder, test_type, name, limit):
44        if key:
45            file = db.get(key)
46            if not file:
47                logging.warning("File not found, key: %s.", key)
48                return False
49
50            file._delete_all()
51        else:
52            files = cls.get_files(master, builder, test_type, name, limit)
53            if not files:
54                logging.warning(
55                    "File not found, master: %s, builder: %s, test_type:%s, name: %s.",
56                    builder, test_type, name)
57                return False
58
59            for file in files:
60                file._delete_all()
61
62        return True
63
64    @classmethod
65    def get_files(cls, master, builder, test_type, name, load_data=True, limit=1):
66        query = TestFile.all()
67        if master:
68            query = query.filter("master =", master)
69        if builder:
70            query = query.filter("builder =", builder)
71        if test_type:
72            query = query.filter("test_type =", test_type)
73        if name:
74            query = query.filter("name =", name)
75
76        files = query.order("-date").fetch(limit)
77        if load_data:
78            for file in files:
79                file.load_data()
80
81        return files
82
83    @classmethod
84    def add_file(cls, master, builder, test_type, name, data):
85        file = TestFile()
86        file.master = master
87        file.builder = builder
88        file.test_type = test_type
89        file.name = name
90
91        if not file.save(data):
92            return None
93
94        logging.info(
95            "File saved, master: %s, builder: %s, test_type: %s, name: %s, key: %s.",
96            master, builder, test_type, file.name, str(file.data_keys))
97
98        return file
99
100    @classmethod
101    def update(cls, master, builder, test_type, name, data):
102        files = cls.get_files(master, builder, test_type, name)
103        if not files:
104            return cls.add_file(master, builder, test_type, name, data)
105
106        file = files[0]
107        if not file.save(data):
108            return None
109
110        logging.info(
111            "File replaced, master: %s, builder: %s, test_type: %s, name: %s, data key: %s.",
112            master, builder, test_type, file.name, str(file.data_keys))
113
114        return file
115
116    def save(self, data):
117        if not self.save_data(data):
118            return False
119
120        self.date = datetime.now()
121        self.put()
122
123        return True
124
125    def _delete_all(self):
126        self.delete_data()
127        self.delete()
128