Class: Preference

Inherits:
ActiveRecord::Base
  • Object
show all
Defined in:
app/models/preference.rb

Class Method Summary collapse

Class Method Details

.delete(sid, name, user_id = nil) ⇒ Object 



37
38
39
40
41
 
# File 'app/models/preference.rb', line 37

def Preference.delete(sid, name, user_id=nil)
  Preference.flush(sid, name, user_id)
  pref = Preference.sys(sid).where(:name=>name).where(:user_id=>user_id).first
  pref.destroy
end

.flush(sid, name, user_id) ⇒ Object 



43
44
45
 
# File 'app/models/preference.rb', line 43

def Preference.flush(sid,name, user_id) 
 Rails.cache.delete(get_key(sid,name, user_id))
end

.get(sid, name, user_id = nil) ⇒ Object

get from DB



31
32
33
34
35
 
# File 'app/models/preference.rb', line 31

def Preference.get(sid,name, user_id = nil) # get from DB
  p = Preference.sys(sid).where(:name => name).where(:user_id=>user_id).first

  return p!=nil ? p.value : nil
end

.get!(sid, name, value, user_id = nil) ⇒ Object

get, but return value if not found



47
48
49
50
51
52
53
54
55
56
57
58
59
60
 
# File 'app/models/preference.rb', line 47

def Preference.get!(sid,name, value, user_id = nil) # get, but return value if not found
  pref_s = Preference.get(sid,name, user_id)
  if (pref_s==nil)
    pref = Preference.new
    pref.system_id=sid
    pref.name = name
    pref.value = value
    pref.user_id = user_id
    pref.save
    return value
  else
    return pref_s
  end
end

.get_cached(sid, name, user_id = nil) ⇒ Object 



13
14
15
 
# File 'app/models/preference.rb', line 13

def Preference.get_cached(sid,name, user_id = nil)
  Preference.getCached(sid,name)
end

.get_cached!(sid, name, value, user_id = nil) ⇒ Object 



7
8
9
10
11
 
# File 'app/models/preference.rb', line 7

def Preference.get_cached!(sid, name, value, user_id = nil)
  Rails.cache.fetch(get_key(sid,name,user_id), :expires_in => 10.minutes) do 
   Preference.get!(sid,name, value, user_id)
  end
end

.get_key(sid, name, user_id = nil) ⇒ Object 



3
4
5
 
# File 'app/models/preference.rb', line 3

def Preference.get_key(sid, name, user_id = nil)
  "#{sid} : #{name} : #{user_id ? user_id : 'nil'}"
end

.getCached(sid, name, user_id = nil) ⇒ Object

get from cache, then DB if not present in cache



17
18
19
20
21
 
# File 'app/models/preference.rb', line 17

def Preference.getCached(sid,name, user_id = nil) #get from cache, then DB if not present in cache
  Rails.cache.fetch(get_key(sid,name,user_id), :expires_in => 10.minutes) do 
   Preference.get(sid, name, user_id)
  end
end

.increase(sid, name) ⇒ Object 



23
24
25
26
27
28
29
 
# File 'app/models/preference.rb', line 23

def Preference.increase(sid,name)
  p = Preference.find_by_name_and_system_id(name, sid, :lock=>true)
  
  p.value = p.value.to_i + 1
  p.save!
  p.value.to_i
end

.licensed?(sid, name) ⇒ Boolean

Returns:

  • (Boolean) 


77
78
79
80
81
82
83
 
# File 'app/models/preference.rb', line 77

def Preference.licensed?(sid, name)
  licensed = Rails.cache.fetch("licenses_#{sid}_#{name}", :expires_in=>1.minutes) do 
    Preference.get_cached(sid, "feature_#{name}")=="true" || Preference.get_cached(sid, "feature_*")=="true"
  end

  licensed==true ? true : false
end

.set(sid, name, value, user_id = nil) ⇒ Object 



62
63
64
65
66
67
68
69
70
71
72
73
74
75
 
# File 'app/models/preference.rb', line 62

def Preference.set(sid,name, value, user_id = nil)
  pref = Preference.where(:name=>name)
  pref = pref.sys(sid)
  pref = pref.where(:user_id=>user_id) if user_id
  pref = pref.first

  if pref==nil
    Preference.get!(sid,name, value, user_id)
  else
    pref.value = value
    pref.save
  end
  Preference.flush(sid,name, user_id)
end