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Speed up loading by getting all favorite tags at once (BB-65)
neko259 -
r996:1e1098b4 default
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@@ -1,148 +1,146 b''
1 from django.shortcuts import get_object_or_404
1 from django.shortcuts import get_object_or_404
2 from boards.models import Tag
2 from boards.models import Tag
3
3
4 __author__ = 'neko259'
4 __author__ = 'neko259'
5
5
6 SESSION_SETTING = 'setting'
6 SESSION_SETTING = 'setting'
7
7
8 # Remove this, it is not used any more cause there is a user's permission
8 # Remove this, it is not used any more cause there is a user's permission
9 PERMISSION_MODERATE = 'moderator'
9 PERMISSION_MODERATE = 'moderator'
10
10
11 SETTING_THEME = 'theme'
11 SETTING_THEME = 'theme'
12 SETTING_FAVORITE_TAGS = 'favorite_tags'
12 SETTING_FAVORITE_TAGS = 'favorite_tags'
13 SETTING_HIDDEN_TAGS = 'hidden_tags'
13 SETTING_HIDDEN_TAGS = 'hidden_tags'
14 SETTING_PERMISSIONS = 'permissions'
14 SETTING_PERMISSIONS = 'permissions'
15 SETTING_USERNAME = 'username'
15 SETTING_USERNAME = 'username'
16 SETTING_LAST_NOTIFICATION_ID = 'last_notification'
16 SETTING_LAST_NOTIFICATION_ID = 'last_notification'
17
17
18 DEFAULT_THEME = 'md'
18 DEFAULT_THEME = 'md'
19
19
20
20
21 class SettingsManager:
21 class SettingsManager:
22 """
22 """
23 Base settings manager class. get_setting and set_setting methods should
23 Base settings manager class. get_setting and set_setting methods should
24 be overriden.
24 be overriden.
25 """
25 """
26 def __init__(self):
26 def __init__(self):
27 pass
27 pass
28
28
29 def get_theme(self):
29 def get_theme(self):
30 theme = self.get_setting(SETTING_THEME)
30 theme = self.get_setting(SETTING_THEME)
31 if not theme:
31 if not theme:
32 theme = DEFAULT_THEME
32 theme = DEFAULT_THEME
33 self.set_setting(SETTING_THEME, theme)
33 self.set_setting(SETTING_THEME, theme)
34
34
35 return theme
35 return theme
36
36
37 def set_theme(self, theme):
37 def set_theme(self, theme):
38 self.set_setting(SETTING_THEME, theme)
38 self.set_setting(SETTING_THEME, theme)
39
39
40 def has_permission(self, permission):
40 def has_permission(self, permission):
41 permissions = self.get_setting(SETTING_PERMISSIONS)
41 permissions = self.get_setting(SETTING_PERMISSIONS)
42 if permissions:
42 if permissions:
43 return permission in permissions
43 return permission in permissions
44 else:
44 else:
45 return False
45 return False
46
46
47 def get_setting(self, setting):
47 def get_setting(self, setting):
48 pass
48 pass
49
49
50 def set_setting(self, setting, value):
50 def set_setting(self, setting, value):
51 pass
51 pass
52
52
53 def add_permission(self, permission):
53 def add_permission(self, permission):
54 permissions = self.get_setting(SETTING_PERMISSIONS)
54 permissions = self.get_setting(SETTING_PERMISSIONS)
55 if not permissions:
55 if not permissions:
56 permissions = [permission]
56 permissions = [permission]
57 else:
57 else:
58 permissions.append(permission)
58 permissions.append(permission)
59 self.set_setting(SETTING_PERMISSIONS, permissions)
59 self.set_setting(SETTING_PERMISSIONS, permissions)
60
60
61 def del_permission(self, permission):
61 def del_permission(self, permission):
62 permissions = self.get_setting(SETTING_PERMISSIONS)
62 permissions = self.get_setting(SETTING_PERMISSIONS)
63 if not permissions:
63 if not permissions:
64 permissions = []
64 permissions = []
65 else:
65 else:
66 permissions.remove(permission)
66 permissions.remove(permission)
67 self.set_setting(SETTING_PERMISSIONS, permissions)
67 self.set_setting(SETTING_PERMISSIONS, permissions)
68
68
69 def get_fav_tags(self):
69 def get_fav_tags(self):
70 tag_names = self.get_setting(SETTING_FAVORITE_TAGS)
70 tag_names = self.get_setting(SETTING_FAVORITE_TAGS)
71 tags = []
71 tags = []
72 if tag_names:
72 if tag_names:
73 for tag_name in tag_names:
73 tags = Tag.objects.filter(name__in=tag_names)
74 tag = get_object_or_404(Tag, name=tag_name)
75 tags.append(tag)
76 return tags
74 return tags
77
75
78 def add_fav_tag(self, tag):
76 def add_fav_tag(self, tag):
79 tags = self.get_setting(SETTING_FAVORITE_TAGS)
77 tags = self.get_setting(SETTING_FAVORITE_TAGS)
80 if not tags:
78 if not tags:
81 tags = [tag.name]
79 tags = [tag.name]
82 else:
80 else:
83 if not tag.name in tags:
81 if not tag.name in tags:
84 tags.append(tag.name)
82 tags.append(tag.name)
85
83
86 tags.sort()
84 tags.sort()
87 self.set_setting(SETTING_FAVORITE_TAGS, tags)
85 self.set_setting(SETTING_FAVORITE_TAGS, tags)
88
86
89 def del_fav_tag(self, tag):
87 def del_fav_tag(self, tag):
90 tags = self.get_setting(SETTING_FAVORITE_TAGS)
88 tags = self.get_setting(SETTING_FAVORITE_TAGS)
91 if tag.name in tags:
89 if tag.name in tags:
92 tags.remove(tag.name)
90 tags.remove(tag.name)
93 self.set_setting(SETTING_FAVORITE_TAGS, tags)
91 self.set_setting(SETTING_FAVORITE_TAGS, tags)
94
92
95 def get_hidden_tags(self):
93 def get_hidden_tags(self):
96 tag_names = self.get_setting(SETTING_HIDDEN_TAGS)
94 tag_names = self.get_setting(SETTING_HIDDEN_TAGS)
97 tags = []
95 tags = []
98 if tag_names:
96 if tag_names:
99 for tag_name in tag_names:
97 for tag_name in tag_names:
100 tag = get_object_or_404(Tag, name=tag_name)
98 tag = get_object_or_404(Tag, name=tag_name)
101 tags.append(tag)
99 tags.append(tag)
102
100
103 return tags
101 return tags
104
102
105 def add_hidden_tag(self, tag):
103 def add_hidden_tag(self, tag):
106 tags = self.get_setting(SETTING_HIDDEN_TAGS)
104 tags = self.get_setting(SETTING_HIDDEN_TAGS)
107 if not tags:
105 if not tags:
108 tags = [tag.name]
106 tags = [tag.name]
109 else:
107 else:
110 if not tag.name in tags:
108 if not tag.name in tags:
111 tags.append(tag.name)
109 tags.append(tag.name)
112
110
113 tags.sort()
111 tags.sort()
114 self.set_setting(SETTING_HIDDEN_TAGS, tags)
112 self.set_setting(SETTING_HIDDEN_TAGS, tags)
115
113
116 def del_hidden_tag(self, tag):
114 def del_hidden_tag(self, tag):
117 tags = self.get_setting(SETTING_HIDDEN_TAGS)
115 tags = self.get_setting(SETTING_HIDDEN_TAGS)
118 if tag.name in tags:
116 if tag.name in tags:
119 tags.remove(tag.name)
117 tags.remove(tag.name)
120 self.set_setting(SETTING_HIDDEN_TAGS, tags)
118 self.set_setting(SETTING_HIDDEN_TAGS, tags)
121
119
122
120
123 class SessionSettingsManager(SettingsManager):
121 class SessionSettingsManager(SettingsManager):
124 """
122 """
125 Session-based settings manager. All settings are saved to the user's
123 Session-based settings manager. All settings are saved to the user's
126 session.
124 session.
127 """
125 """
128 def __init__(self, session):
126 def __init__(self, session):
129 SettingsManager.__init__(self)
127 SettingsManager.__init__(self)
130 self.session = session
128 self.session = session
131
129
132 def get_setting(self, setting):
130 def get_setting(self, setting):
133 if setting in self.session:
131 if setting in self.session:
134 return self.session[setting]
132 return self.session[setting]
135 else:
133 else:
136 return None
134 return None
137
135
138 def set_setting(self, setting, value):
136 def set_setting(self, setting, value):
139 self.session[setting] = value
137 self.session[setting] = value
140
138
141
139
142 def get_settings_manager(request) -> SettingsManager:
140 def get_settings_manager(request) -> SettingsManager:
143 """
141 """
144 Get settings manager based on the request object. Currently only
142 Get settings manager based on the request object. Currently only
145 session-based manager is supported. In the future, cookie-based or
143 session-based manager is supported. In the future, cookie-based or
146 database-based managers could be implemented.
144 database-based managers could be implemented.
147 """
145 """
148 return SessionSettingsManager(request.session)
146 return SessionSettingsManager(request.session)
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