Show More
@@ -1,139 +1,138 b'' | |||||
1 | from django.template.loader import render_to_string |
|
1 | from django.template.loader import render_to_string | |
2 | from boards.models import Thread, Post |
|
2 | from boards.models import Thread, Post | |
3 | from django.db import models |
|
3 | from django.db import models | |
4 | from django.db.models import Count, Sum |
|
4 | from django.db.models import Count, Sum | |
5 | from django.core.urlresolvers import reverse |
|
5 | from django.core.urlresolvers import reverse | |
6 | from boards.models.base import Viewable |
|
6 | from boards.models.base import Viewable | |
7 |
|
7 | |||
8 | __author__ = 'neko259' |
|
8 | __author__ = 'neko259' | |
9 |
|
9 | |||
10 | MAX_TAG_FONT = 1 |
|
10 | MAX_TAG_FONT = 1 | |
11 | MIN_TAG_FONT = 0.2 |
|
11 | MIN_TAG_FONT = 0.2 | |
12 |
|
12 | |||
13 | TAG_POPULARITY_MULTIPLIER = 20 |
|
13 | TAG_POPULARITY_MULTIPLIER = 20 | |
14 |
|
14 | |||
15 | ARCHIVE_POPULARITY_MODIFIER = 0.5 |
|
15 | ARCHIVE_POPULARITY_MODIFIER = 0.5 | |
16 |
|
16 | |||
17 |
|
17 | |||
18 | class TagManager(models.Manager): |
|
18 | class TagManager(models.Manager): | |
19 |
|
19 | |||
20 | def get_not_empty_tags(self): |
|
20 | def get_not_empty_tags(self): | |
21 | """ |
|
21 | """ | |
22 | Gets tags that have non-archived threads. |
|
22 | Gets tags that have non-archived threads. | |
23 | """ |
|
23 | """ | |
24 |
|
24 | |||
25 | tags = self.annotate(Count('threads')) \ |
|
25 | tags = self.annotate(Count('threads')) \ | |
26 |
.filter(threads__count__gt=0). |
|
26 | .filter(threads__count__gt=0).order_by('name') | |
27 | .order_by('name') |
|
|||
28 |
|
27 | |||
29 | return tags |
|
28 | return tags | |
30 |
|
29 | |||
31 |
|
30 | |||
32 | class Tag(models.Model, Viewable): |
|
31 | class Tag(models.Model, Viewable): | |
33 | """ |
|
32 | """ | |
34 | A tag is a text node assigned to the thread. The tag serves as a board |
|
33 | A tag is a text node assigned to the thread. The tag serves as a board | |
35 | section. There can be multiple tags for each thread |
|
34 | section. There can be multiple tags for each thread | |
36 | """ |
|
35 | """ | |
37 |
|
36 | |||
38 | objects = TagManager() |
|
37 | objects = TagManager() | |
39 |
|
38 | |||
40 | class Meta: |
|
39 | class Meta: | |
41 | app_label = 'boards' |
|
40 | app_label = 'boards' | |
42 | ordering = ('name',) |
|
41 | ordering = ('name',) | |
43 |
|
42 | |||
44 | name = models.CharField(max_length=100, db_index=True) |
|
43 | name = models.CharField(max_length=100, db_index=True) | |
45 | threads = models.ManyToManyField(Thread, null=True, |
|
44 | threads = models.ManyToManyField(Thread, null=True, | |
46 | blank=True, related_name='tag+') |
|
45 | blank=True, related_name='tag+') | |
47 | linked = models.ForeignKey('Tag', null=True, blank=True) |
|
46 | linked = models.ForeignKey('Tag', null=True, blank=True) | |
48 |
|
47 | |||
49 | def __unicode__(self): |
|
48 | def __unicode__(self): | |
50 | return self.name |
|
49 | return self.name | |
51 |
|
50 | |||
52 | def is_empty(self): |
|
51 | def is_empty(self): | |
53 | """ |
|
52 | """ | |
54 | Checks if the tag has some threads. |
|
53 | Checks if the tag has some threads. | |
55 | """ |
|
54 | """ | |
56 |
|
55 | |||
57 | return self.get_thread_count() == 0 |
|
56 | return self.get_thread_count() == 0 | |
58 |
|
57 | |||
59 | def get_thread_count(self): |
|
58 | def get_thread_count(self): | |
60 | return self.threads.count() |
|
59 | return self.threads.count() | |
61 |
|
60 | |||
62 | def get_popularity(self): |
|
61 | def get_popularity(self): | |
63 | """ |
|
62 | """ | |
64 | Gets tag's popularity value as a percentage of overall board post |
|
63 | Gets tag's popularity value as a percentage of overall board post | |
65 | count. |
|
64 | count. | |
66 | """ |
|
65 | """ | |
67 |
|
66 | |||
68 | all_post_count = Post.objects.count() |
|
67 | all_post_count = Post.objects.count() | |
69 |
|
68 | |||
70 | tag_reply_count = 0.0 |
|
69 | tag_reply_count = 0.0 | |
71 |
|
70 | |||
72 | tag_reply_count += self.get_post_count() |
|
71 | tag_reply_count += self.get_post_count() | |
73 | tag_reply_count +=\ |
|
72 | tag_reply_count +=\ | |
74 | self.get_post_count(archived=True) * ARCHIVE_POPULARITY_MODIFIER |
|
73 | self.get_post_count(archived=True) * ARCHIVE_POPULARITY_MODIFIER | |
75 |
|
74 | |||
76 | popularity = tag_reply_count / all_post_count |
|
75 | popularity = tag_reply_count / all_post_count | |
77 |
|
76 | |||
78 | return popularity |
|
77 | return popularity | |
79 |
|
78 | |||
80 | def get_linked_tags(self): |
|
79 | def get_linked_tags(self): | |
81 | """ |
|
80 | """ | |
82 | Gets tags linked to the current one. |
|
81 | Gets tags linked to the current one. | |
83 | """ |
|
82 | """ | |
84 |
|
83 | |||
85 | tag_list = [] |
|
84 | tag_list = [] | |
86 | self.get_linked_tags_list(tag_list) |
|
85 | self.get_linked_tags_list(tag_list) | |
87 |
|
86 | |||
88 | return tag_list |
|
87 | return tag_list | |
89 |
|
88 | |||
90 | def get_linked_tags_list(self, tag_list=[]): |
|
89 | def get_linked_tags_list(self, tag_list=[]): | |
91 | """ |
|
90 | """ | |
92 | Returns the list of tags linked to current. The list can be got |
|
91 | Returns the list of tags linked to current. The list can be got | |
93 | through returned value or tag_list parameter |
|
92 | through returned value or tag_list parameter | |
94 | """ |
|
93 | """ | |
95 |
|
94 | |||
96 | linked_tag = self.linked |
|
95 | linked_tag = self.linked | |
97 |
|
96 | |||
98 | if linked_tag and not (linked_tag in tag_list): |
|
97 | if linked_tag and not (linked_tag in tag_list): | |
99 | tag_list.append(linked_tag) |
|
98 | tag_list.append(linked_tag) | |
100 |
|
99 | |||
101 | linked_tag.get_linked_tags_list(tag_list) |
|
100 | linked_tag.get_linked_tags_list(tag_list) | |
102 |
|
101 | |||
103 | def get_font_value(self): |
|
102 | def get_font_value(self): | |
104 | """ |
|
103 | """ | |
105 | Gets tag font value to differ most popular tags in the list |
|
104 | Gets tag font value to differ most popular tags in the list | |
106 | """ |
|
105 | """ | |
107 |
|
106 | |||
108 | popularity = self.get_popularity() |
|
107 | popularity = self.get_popularity() | |
109 |
|
108 | |||
110 | font_value = popularity * Tag.objects.get_not_empty_tags().count() |
|
109 | font_value = popularity * Tag.objects.get_not_empty_tags().count() | |
111 | font_value = max(font_value, MIN_TAG_FONT) |
|
110 | font_value = max(font_value, MIN_TAG_FONT) | |
112 | font_value = min(font_value, MAX_TAG_FONT) |
|
111 | font_value = min(font_value, MAX_TAG_FONT) | |
113 |
|
112 | |||
114 | return str(font_value) |
|
113 | return str(font_value) | |
115 |
|
114 | |||
116 | def get_post_count(self, archived=False): |
|
115 | def get_post_count(self, archived=False): | |
117 | """ |
|
116 | """ | |
118 | Gets posts count for the tag's threads. |
|
117 | Gets posts count for the tag's threads. | |
119 | """ |
|
118 | """ | |
120 |
|
119 | |||
121 | posts_count = 0 |
|
120 | posts_count = 0 | |
122 |
|
121 | |||
123 | threads = self.threads.filter(archived=archived) |
|
122 | threads = self.threads.filter(archived=archived) | |
124 | if threads.exists(): |
|
123 | if threads.exists(): | |
125 | posts_count = threads.annotate(posts_count=Count('replies')).aggregate( |
|
124 | posts_count = threads.annotate(posts_count=Count('replies')).aggregate( | |
126 | posts_sum=Sum('posts_count'))['posts_sum'] |
|
125 | posts_sum=Sum('posts_count'))['posts_sum'] | |
127 |
|
126 | |||
128 | if not posts_count: |
|
127 | if not posts_count: | |
129 | posts_count = 0 |
|
128 | posts_count = 0 | |
130 |
|
129 | |||
131 | return posts_count |
|
130 | return posts_count | |
132 |
|
131 | |||
133 | def get_url(self): |
|
132 | def get_url(self): | |
134 | return reverse('tag', kwargs={'tag_name': self.name}) |
|
133 | return reverse('tag', kwargs={'tag_name': self.name}) | |
135 |
|
134 | |||
136 | def get_view(self, *args, **kwargs): |
|
135 | def get_view(self, *args, **kwargs): | |
137 | return render_to_string('boards/tag.html', { |
|
136 | return render_to_string('boards/tag.html', { | |
138 | 'tag': self, |
|
137 | 'tag': self, | |
139 | }) No newline at end of file |
|
138 | }) |
General Comments 0
You need to be logged in to leave comments.
Login now