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# Lab 2
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## Диаграмма классов:
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```mermaid
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classDiagram
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class BinarySearchTree {
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- root : Node
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+ add(student : Student) : void
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+ each(&block) : void
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- insert(node : Node, student : Student) : Node
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- in_order_traversal(node : Node, &block) : void
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}
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class Node {
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- student : Student
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- left : Node
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- right : Node
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+ Node(student : Student)
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}
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class Person {
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- id : String
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- git : String
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- phone : String?
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- telegram : String?
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- email : String?
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+ Person(id : String, git : String, phone: String, telegram: String, email: String)
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+ phone=(String) : Boolean
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+ telegram=(String) : Boolean
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+ email=(String) : Boolean
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+ self.valid_phone_number() : Boolean
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+ self.valid_telegram() : Boolean
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+ self.valid_email() : Boolean
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+ git_present() : Boolean
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+ contact_present() : Boolean
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+ contact_info() : String
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+ git=(git : String) : void
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- validate_id(id: String) : void
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- validate_git(git : String) : void
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- validate_contact(contact : Contact) : void
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- valid_git?(git : String) : Boolean
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- valid_id?(id : String) : Boolean
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}
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class StudentRepository {
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+ self.read_from_txt(file_path : String) : List~Student~
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+ self.write_to_txt(file_path : String, students : List~Student~)
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}
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class StudentShort {
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- surname_initials : String
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+ StudentShort(id : String, surname_initials : String, phone: String, telegram: String, email: String)
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+ self.from_student(student : Student) : StudentShort
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+ self.from_string(id : String, info_string : String) : StudentShort
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+ to_s() : String
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}
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class Student {
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- surname : String
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- name : String
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- patronymic : String
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- birth_date : Date
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- const NAME_REGEX : String
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+ Student(id : String, git : String, phone: String, telegram: String, email: String, surname : String, name : String, patronymic : String, birth_date : Date)
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+ self.from_string(student_string : String) : Student
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+ surname_and_initials() : String
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+ to_s() : String
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+ get_info() : String
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+ surname=(surname : String)
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+ name=(name : String)
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+ patronymic=(patronymic : String)
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+ birth_date=(birthdate : String)
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+ self.valid_name?(name : String) : Boolean
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- name_initial(name : String) : String
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- patronymic(patronymic : String) : String
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}
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BinarySearchTree o-- Node
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Node o-- Student
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Person <|-- Student
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Person <|-- StudentShort
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Student <.. StudentRepository
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```
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