Class: ShnaiderCode::StudentsListDB
- Inherits:
-
Object
- Object
- ShnaiderCode::StudentsListDB
- Defined in:
- lib/source/database/students_list_db.rb
Class Method Summary collapse
- .add_student(student) ⇒ Object
- .count ⇒ Object
- .database ⇒ Object
- .get_student(id) ⇒ Object
- .get_students_slice(from, to) ⇒ Object
- .remove_student(id) ⇒ Object
- .replace_student(id, student) ⇒ Object
Class Method Details
.add_student(student) ⇒ Object
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# File 'lib/source/database/students_list_db.rb', line 19 def self.add_student(student) StudentsListDB.database.add_student(student.as_json) end |
.count ⇒ Object
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# File 'lib/source/database/students_list_db.rb', line 27 def self.count() StudentsListDB.database.count() end |
.database ⇒ Object
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# File 'lib/source/database/students_list_db.rb', line 31 def self.database @database ||= StudentsDB.new() @database end |
.get_student(id) ⇒ Object
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# File 'lib/source/database/students_list_db.rb', line 7 def self.get_student(id) Student.from_json(StudentsListDB.database.select_by_id(id)) end |
.get_students_slice(from, to) ⇒ Object
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# File 'lib/source/database/students_list_db.rb', line 23 def self.get_students_slice(from, to) StudentsListDB.database.select_students(from, to).map { |x| Student.from_json(x) } end |
.remove_student(id) ⇒ Object
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# File 'lib/source/database/students_list_db.rb', line 11 def self.remove_student(id) StudentsListDB.database.remove_by_id(id) end |
.replace_student(id, student) ⇒ Object
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# File 'lib/source/database/students_list_db.rb', line 15 def self.replace_student(id, student) StudentsListDB.database.replace_by_id(id, student.as_json) end |