kubaninc / acts_as_follower

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Commit 6c03d40f6716e39a90f8461a5504951c198ed55e

Authored by Tom Cocca
1 parent fe0b6335
Exists in master and in 3 other branches integration, rails_2.3.x, rails_3

minor cleanup

Showing 2 changed files with 140 additions and 145 deletions   Show diff stats
lib/acts_as_followable.rb
  Diff comments   View file @6c03d40
1   -require File.dirname(__FILE__) + '/follower_lib'
2   -
3   -module ActiveRecord #:nodoc:
4   - module Acts #:nodoc:
5   - module Followable
6   -
7   - def self.included(base)
8   - base.extend ClassMethods
9   - base.class_eval do
10   - include FollowerLib
11   - end
12   - end
13   -
14   - module ClassMethods
15   - def acts_as_followable
16   - has_many :follows, :as => :followable, :dependent => :destroy
17   - include ActiveRecord::Acts::Followable::InstanceMethods
18   - end
19   - end
20   -
21   -
22   - # This module contains instance methods
23   - module InstanceMethods
24   -
25   - # Returns the number of followers a record has.
26   - def followers_count
27   - self.follows.size
28   - end
29   -
30   - # Returns the following records.
31   - def followers
32   - Follow.find(:all, :include => [:follower], :conditions => ["followable_id = ? AND followable_type = ?",
33   - self.id, parent_class_name(self)]).collect {|f| f.follower }
34   - end
35   -
36   - # Returns true if the current instance is followed by the passed record.
37   - def followed_by?(follower)
38   - Follow.find(:first, :conditions => ["followable_id = ? AND followable_type = ? AND follower_id = ? AND follower_type = ?", self.id, parent_class_name(self), follower.id, parent_class_name(follower)]) ? true : false
39   - end
40   -
41   - end
42   -
43   - end
44   - end
45   -end
  1 +require File.dirname(__FILE__) + '/follower_lib'
  2 +
  3 +module ActiveRecord #:nodoc:
  4 + module Acts #:nodoc:
  5 + module Followable
  6 +
  7 + def self.included(base)
  8 + base.extend ClassMethods
  9 + base.class_eval do
  10 + include FollowerLib
  11 + end
  12 + end
  13 +
  14 + module ClassMethods
  15 + def acts_as_followable
  16 + has_many :follows, :as => :followable, :dependent => :destroy
  17 + include ActiveRecord::Acts::Followable::InstanceMethods
  18 + end
  19 + end
  20 +
  21 +
  22 + module InstanceMethods
  23 +
  24 + # Returns the number of followers a record has.
  25 + def followers_count
  26 + self.follows.size
  27 + end
  28 +
  29 + # Returns the following records.
  30 + def followers
  31 + Follow.find(:all, :include => [:follower], :conditions => ["followable_id = ? AND followable_type = ?",
  32 + self.id, parent_class_name(self)]).collect {|f| f.follower }
  33 + end
  34 +
  35 + # Returns true if the current instance is followed by the passed record.
  36 + def followed_by?(follower)
  37 + Follow.find(:first, :conditions => ["followable_id = ? AND followable_type = ? AND follower_id = ? AND follower_type = ?", self.id, parent_class_name(self), follower.id, parent_class_name(follower)]) ? true : false
  38 + end
  39 +
  40 + end
  41 +
  42 + end
  43 + end
  44 +end
... ...
lib/acts_as_follower.rb
  Diff comments   View file @6c03d40
1   -require File.dirname(__FILE__) + '/follower_lib'
2   -
3   -module ActiveRecord #:nodoc:
4   - module Acts #:nodoc:
5   - module Follower
6   -
7   - def self.included(base)
8   - base.extend ClassMethods
9   - base.class_eval do
10   - include FollowerLib
11   - end
12   - end
13   -
14   - module ClassMethods
15   - def acts_as_follower
16   - has_many :follows, :as => :follower, :dependent => :destroy
17   - include ActiveRecord::Acts::Follower::InstanceMethods
18   - end
19   - end
20   -
21   - # This module contains instance methods
22   - module InstanceMethods
23   -
24   - # Returns true if this instance is following the object passed as an argument.
25   - def following?(followable)
26   - 0 < Follow.count(:all, :conditions => [
27   - "follower_id = ? AND follower_type = ? AND followable_id = ? AND followable_type = ?",
28   - self.id, parent_class_name(self), followable.id, parent_class_name(followable)
29   - ])
30   - end
31   -
32   - # Returns the number of objects this instance is following.
33   - def follow_count
34   - Follow.count(:all, :conditions => ["follower_id = ? AND follower_type = ?", self.id, parent_class_name(self)])
35   - end
36   -
37   - # Creates a new follow record for this instance to follow the passed object.
38   - # Does not allow duplicate records to be created.
39   - def follow(followable)
40   - follow = get_follow(followable)
41   - unless follow
42   - Follow.create(:followable => followable, :follower => self)
43   - end
44   - end
45   -
46   - # Deletes the follow record if it exists.
47   - def stop_following(followable)
48   - follow = get_follow(followable)
49   - if follow
50   - follow.destroy
51   - end
52   - end
53   -
54   - # TODO: Remove from public API.
55   - # Returns the follow records related to this instance by type.
56   - def follows_by_type(followable_type)
57   - Follow.find(:all, :conditions => ["follower_id = ? AND follower_type = ? AND followable_type = ?", self.id, parent_class_name(self), followable_type])
58   - end
59   -
60   - # TODO: Remove from public API.
61   - # Returns the follow records related to this instance by type.
62   - def all_follows
63   - Follow.find(:all, :include => [:followable], :conditions => ["follower_id = ? AND follower_type = ?", self.id, parent_class_name(self)])
64   - end
65   -
66   - # Returns the actual records which this instance is following.
67   - def all_following
68   - all_follows.map { |f| f.followable }
69   - end
70   -
71   - # Returns the actual records of a particular type which this record is following.
72   - def following_by_type(followable_type)
73   - #klass = eval(followable_type) # be careful with this.
74   - #klass.find(:all, :joins => :follows, :conditions => ['follower_id = ? AND follower_type = ?', self.id, parent_class_name(self)])
75   - follows_by_type(followable_type).map { |f| f.followable }
76   - end
77   -
78   - # Allows magic names on following_by_type
79   - # e.g. following_users == following_by_type('User')
80   - def method_missing(m, *args)
81   - if m.to_s[/following_(.+)/]
82   - #following_by_type(parent_class_name($1).classify)
83   - following_by_type($1.singularize.classify)
84   - else
85   - super
86   - end
87   - end
88   -
89   - private
90   -
91   - # Returns a follow record for the current instance and followable object.
92   - def get_follow(followable)
93   - Follow.find(:first, :conditions => ["follower_id = ? AND follower_type = ? AND followable_id = ? AND followable_type = ?", self.id, parent_class_name(self), followable.id, parent_class_name(followable)])
94   - end
95   -
96   - end
97   -
98   - end
99   - end
100   -end
  1 +require File.dirname(__FILE__) + '/follower_lib'
  2 +
  3 +module ActiveRecord #:nodoc:
  4 + module Acts #:nodoc:
  5 + module Follower
  6 +
  7 + def self.included(base)
  8 + base.extend ClassMethods
  9 + base.class_eval do
  10 + include FollowerLib
  11 + end
  12 + end
  13 +
  14 + module ClassMethods
  15 + def acts_as_follower
  16 + has_many :follows, :as => :follower, :dependent => :destroy
  17 + include ActiveRecord::Acts::Follower::InstanceMethods
  18 + end
  19 + end
  20 +
  21 + module InstanceMethods
  22 +
  23 + # Returns true if this instance is following the object passed as an argument.
  24 + def following?(followable)
  25 + 0 < Follow.count(:all, :conditions => [
  26 + "follower_id = ? AND follower_type = ? AND followable_id = ? AND followable_type = ?",
  27 + self.id, parent_class_name(self), followable.id, parent_class_name(followable)
  28 + ])
  29 + end
  30 +
  31 + # Returns the number of objects this instance is following.
  32 + def follow_count
  33 + Follow.count(:all, :conditions => ["follower_id = ? AND follower_type = ?", self.id, parent_class_name(self)])
  34 + end
  35 +
  36 + # Creates a new follow record for this instance to follow the passed object.
  37 + # Does not allow duplicate records to be created.
  38 + def follow(followable)
  39 + follow = get_follow(followable)
  40 + unless follow
  41 + Follow.create(:followable => followable, :follower => self)
  42 + end
  43 + end
  44 +
  45 + # Deletes the follow record if it exists.
  46 + def stop_following(followable)
  47 + follow = get_follow(followable)
  48 + if follow
  49 + follow.destroy
  50 + end
  51 + end
  52 +
  53 + # TODO: Remove from public API.
  54 + # Returns the follow records related to this instance by type.
  55 + def follows_by_type(followable_type)
  56 + Follow.find(:all, :conditions => ["follower_id = ? AND follower_type = ? AND followable_type = ?", self.id, parent_class_name(self), followable_type])
  57 + end
  58 +
  59 + # TODO: Remove from public API.
  60 + # Returns the follow records related to this instance by type.
  61 + def all_follows
  62 + Follow.find(:all, :include => [:followable], :conditions => ["follower_id = ? AND follower_type = ?", self.id, parent_class_name(self)])
  63 + end
  64 +
  65 + # Returns the actual records which this instance is following.
  66 + def all_following
  67 + all_follows.map { |f| f.followable }
  68 + end
  69 +
  70 + # Returns the actual records of a particular type which this record is following.
  71 + def following_by_type(followable_type)
  72 + follows_by_type(followable_type).map { |f| f.followable }
  73 + end
  74 +
  75 + # Allows magic names on following_by_type
  76 + # e.g. following_users == following_by_type('User')
  77 + def method_missing(m, *args)
  78 + if m.to_s[/following_(.+)/]
  79 + following_by_type($1.singularize.classify)
  80 + else
  81 + super
  82 + end
  83 + end
  84 +
  85 + private
  86 +
  87 + # Returns a follow record for the current instance and followable object.
  88 + def get_follow(followable)
  89 + Follow.find(:first, :conditions => ["follower_id = ? AND follower_type = ? AND followable_id = ? AND followable_type = ?", self.id, parent_class_name(self), followable.id, parent_class_name(followable)])
  90 + end
  91 +
  92 + end
  93 +
  94 + end
  95 + end
  96 +end
... ...