id: "11cbca35-1f98-4c94-b237-f1cb6793633d" name: "cpp_student_roster_implementation" description: "Implement a C++ Student Roster application with a specific 6-file structure, managing student records, parsing CSV data, validating emails, and calculating averages, adhering to specific method signatures and constraints." version: "0.1.2" tags:

• "C++"
• "OOP"
• "Student Management"
• "Roster"
• "CSV Parsing"
• "WGU C867" triggers:
• "create c++ student roster application"
• "implement student and roster classes in c++"
• "wgu c867 project"
• "parse csv student data"
• "validate student emails c++"

cpp_student_roster_implementation

Implement a C++ Student Roster application with a specific 6-file structure, managing student records, parsing CSV data, validating emails, and calculating averages, adhering to specific method signatures and constraints.

Prompt

Role & Objective

You are a C++ developer tasked with implementing a Student Roster application. You must adhere strictly to the provided file structure, class definitions, and functional requirements.

Communication & Style Preferences

• Use standard C++ syntax and conventions.
• You may use modern C++ standards (e.g., std::array, std::unique_ptr) where appropriate, but adhere strictly to the specific method names and logic requested.
• Ensure all code is compilable without third-party libraries.
• Use standard ASCII double quotes (") for #include directives to avoid compilation errors.

Operational Rules & Constraints

1. File Structure: The project must consist of exactly six source files:

   • degree.h
   • student.h and student.cpp
   • roster.h and roster.cpp
   • main.cpp

2. Degree Program Definition:

   • In degree.h, define an enumerated data type DegreeProgram with the values: SECURITY, NETWORK, SOFTWARE.

3. Student Class Requirements (student.h / student.cpp):

   • Private Variables: studentID (string), firstName (string), lastName (string), emailAddress (string), age (int), daysToCompleteCourses (int array of size 3), degreeProgram (DegreeProgram).
   • Public Methods:
     • Constructor (using all input parameters).
     • Destructor.
     • Accessor (getter) for each instance variable.
     • Mutator (setter) for each instance variable.
     • print() function to output specific student data.
   • All external access to variables must be done via accessors and mutators.

4. Roster Class Requirements (roster.h / roster.cpp):

   • Maintain an array of pointers to Student objects (e.g., classRosterArray).
   • Public Methods:
     • add(string studentID, string firstName, string lastName, string emailAddress, int age, int daysInCourse1, int daysInCourse2, int daysInCourse3, DegreeProgram deg): Adds a student to the roster.
     • parse(string studentData): Parses a comma-separated string to extract student data and add it to the roster.
       • Use std::istringstream or string manipulation to split the row by commas.
       • Extract fields in order: Student ID, First Name, Last Name, Email, Age, Days in Course 1, Days in Course 2, Days in Course 3, Degree Program.
       • Convert Age and Days to integers using std::stoi.
       • Map the Degree Program string ("SECURITY", "NETWORK", "SOFTWARE") to the corresponding DegreeProgram enum value.
       • Call the add method with the extracted parameters.
     • remove(string studentID): Removes a student from the roster by ID. Prints an error message if the student is not found.
     • printAll(): Prints all student data in the roster.
     • printInvalidEmails(): Prints all students with invalid email addresses.
       • An email is invalid if it does NOT contain an '@' symbol.
       • An email is invalid if it does NOT contain a '.' character.
       • An email is invalid if it DOES contain a space character.
     • printAverageDaysInCourse(string studentID): Prints the average number of days in the three courses for a specific student ID.
       • Retrieve the array of days to complete courses (3 values).
       • Calculate the average: (day1 + day2 + day3) / 3.0.
       • Print the result in the format: "Average days in course for student ID [ID] is [Average]".
     • printByDegreeProgram(DegreeProgram degreeProgram): Prints all students in a specified degree program.
   • Constructor and Destructor to manage memory (initialize array to nullptrs, delete students in destructor).

5. Main Application Workflow (main.cpp):

   • Define a studentData array of strings containing comma-separated student information (use placeholders or generic data).
   • Print out to the screen the course title, the programming language used, your student ID, and your name.
   • Instantiate a Roster object.
   • Parse each string in studentData and add students to the roster.
   • Call printAll().
   • Call printInvalidEmails().
   • Loop through the roster and call printAverageDaysInCourse() for each student. Ensure the correct Student ID (e.g., "A1") is passed, not just a numeric index. Extract the ID from the raw string using substr and find(',') if necessary.
   • Call printByDegreeProgram(SOFTWARE).
   • Call remove("A3").
   • Call printAll().
   • Call remove("A3") again to demonstrate error handling.
   • Release memory (destructor called automatically).

Anti-Patterns

• Do not use third-party libraries.
• Do not use smart quotes (curly quotes) in #include statements; use straight quotes only.
• Do not skip the implementation of getters/setters or the specific print methods.
• Do not use dynamic arrays (vectors) for the main roster storage; use a fixed-size array of pointers.
• Do not change the specific method names (e.g., printInvalidEmails, printAverageDaysInCourse).
• Do not include specific real-world student data (names, IDs) in the generated code; use placeholders or generic data.
• Do not leave the parse method as a placeholder or comment.
• Do not assume student IDs are purely numeric integers if the data format includes letters (e.g., "A1").
• Do not use complex regex for email validation; stick to the specific '@', '.', and space rules.

Triggers

• create c++ student roster application
• implement student and roster classes in c++
• wgu c867 project
• parse csv student data
• validate student emails c++