Class: Gaku::StudentSelection
- Inherits:
-
Object
- Object
- Gaku::StudentSelection
- Defined in:
- app/services/gaku/student_selection.rb
Instance Attribute Summary collapse
-
#user ⇒ Object
Returns the value of attribute user.
Instance Method Summary collapse
- #add(student) ⇒ Object
- #all ⇒ Object
- #collection(students) ⇒ Object
-
#initialize(user) ⇒ StudentSelection
constructor
A new instance of StudentSelection.
- #remove(student) ⇒ Object
- #remove_all ⇒ Object
- #remove_collection(students) ⇒ Object
- #students ⇒ Object
Constructor Details
#initialize(user) ⇒ StudentSelection
Returns a new instance of StudentSelection.
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# File 'app/services/gaku/student_selection.rb', line 6 def initialize(user) @user = user end |
Instance Attribute Details
#user ⇒ Object
Returns the value of attribute user.
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# File 'app/services/gaku/student_selection.rb', line 4 def user @user end |
Instance Method Details
#add(student) ⇒ Object
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# File 'app/services/gaku/student_selection.rb', line 19 def add(student) $redis.rpush(user_selection, student.id) self.students end |
#all ⇒ Object
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# File 'app/services/gaku/student_selection.rb', line 10 def all $redis.lrange(user_selection, 0, -1) end |
#collection(students) ⇒ Object
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# File 'app/services/gaku/student_selection.rb', line 29 def collection(students) new_students = not_added_students(students) $redis.rpush(user_selection, new_students) unless new_students.blank? self.students end |
#remove(student) ⇒ Object
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# File 'app/services/gaku/student_selection.rb', line 24 def remove(student) $redis.lrem(user_selection, 0, student.id) self.students end |
#remove_all ⇒ Object
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# File 'app/services/gaku/student_selection.rb', line 14 def remove_all $redis.del(user_selection) self.students end |
#remove_collection(students) ⇒ Object
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# File 'app/services/gaku/student_selection.rb', line 35 def remove_collection(students) students.each do |student| $redis.lrem(user_selection, 0, student.id) end self.students end |
#students ⇒ Object
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# File 'app/services/gaku/student_selection.rb', line 42 def students Student.where(id: all) end |