Did more than can be explained in a commit message.

src/main/java/nl/andrewlalis/teaching_assistant_assistant/controllers/Students.java

@@ -1,17 +1,29 @@
 package nl.andrewlalis.teaching_assistant_assistant.controllers;
 
+import nl.andrewlalis.teaching_assistant_assistant.model.Course;
+import nl.andrewlalis.teaching_assistant_assistant.model.people.Student;
+import nl.andrewlalis.teaching_assistant_assistant.model.repositories.CourseRepository;
 import nl.andrewlalis.teaching_assistant_assistant.model.repositories.StudentRepository;
 import org.springframework.stereotype.Controller;
 import org.springframework.ui.Model;
 import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.ModelAttribute;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+
+import java.util.Optional;
 
 @Controller
 public class Students {
 
-    private StudentRepository studentRepository;
+    private static final String NO_COURSE = "NO_COURSE_SELECTED";
 
-    protected Students(StudentRepository studentRepository) {
+    private StudentRepository studentRepository;
+    private CourseRepository courseRepository;
+
+    protected Students(StudentRepository studentRepository, CourseRepository courseRepository) {
         this.studentRepository = studentRepository;
+        this.courseRepository = courseRepository;
     }
 
     @GetMapping("/students")
@@ -19,4 +31,35 @@ public class Students {
         model.addAttribute("students", this.studentRepository.findAll());
         return "students";
     }
+
+    @GetMapping("/students/create")
+    public String getCreate(Model model) {
+        model.addAttribute("student", new Student("First Name", "Last Name", "Email Address", "Github Username", 1234567));
+        model.addAttribute("courses", this.courseRepository.findAll());
+
+        return "students/create";
+    }
+
+    @PostMapping(
+            value = "/students/create",
+            consumes = "application/x-www-form-urlencoded"
+    )
+    public String postCreate(
+            @ModelAttribute Student newStudent,
+            @RequestParam(value = "course_code", required = false) String courseCode
+    ) {
+        this.studentRepository.save(newStudent);
+
+        if (courseCode != null && !courseCode.equals(NO_COURSE)) {
+            Optional<Course> optionalCourse = this.courseRepository.findByCode(courseCode);
+            optionalCourse.ifPresent(course -> {
+                course.addParticipant(newStudent);
+                newStudent.assignToCourse(course);
+                this.courseRepository.save(course);
+                this.studentRepository.save(newStudent);
+            });
+        }
+
+        return "redirect:/students";
+    }
 }

src/main/java/nl/andrewlalis/teaching_assistant_assistant/controllers/courses/entity/student_teams/StudentTeamEntity.java

@@ -1,21 +1,42 @@
 package nl.andrewlalis.teaching_assistant_assistant.controllers.courses.entity.student_teams;
 
+import nl.andrewlalis.teaching_assistant_assistant.model.Course;
+import nl.andrewlalis.teaching_assistant_assistant.model.people.Student;
 import nl.andrewlalis.teaching_assistant_assistant.model.people.teams.StudentTeam;
+import nl.andrewlalis.teaching_assistant_assistant.model.people.teams.TeachingAssistantTeam;
+import nl.andrewlalis.teaching_assistant_assistant.model.repositories.CourseRepository;
+import nl.andrewlalis.teaching_assistant_assistant.model.repositories.StudentRepository;
 import nl.andrewlalis.teaching_assistant_assistant.model.repositories.StudentTeamRepository;
+import nl.andrewlalis.teaching_assistant_assistant.model.repositories.TeachingAssistantTeamRepository;
+import nl.andrewlalis.teaching_assistant_assistant.util.github.GithubManager;
 import org.springframework.stereotype.Controller;
 import org.springframework.ui.Model;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestParam;
 
+import java.io.IOException;
 import java.util.Optional;
 
 @Controller
 public class StudentTeamEntity {
 
     private StudentTeamRepository studentTeamRepository;
+    private CourseRepository courseRepository;
+    private StudentRepository studentRepository;
+    private TeachingAssistantTeamRepository teachingAssistantTeamRepository;
 
-    protected StudentTeamEntity(StudentTeamRepository studentTeamRepository) {
+    protected StudentTeamEntity(
+            StudentTeamRepository studentTeamRepository,
+            CourseRepository courseRepository,
+            StudentRepository studentRepository,
+            TeachingAssistantTeamRepository teachingAssistantTeamRepository
+    ) {
         this.studentTeamRepository = studentTeamRepository;
+        this.courseRepository = courseRepository;
+        this.studentRepository = studentRepository;
+        this.teachingAssistantTeamRepository = teachingAssistantTeamRepository;
     }
 
     /**
@@ -32,4 +53,230 @@ public class StudentTeamEntity {
 
         return "courses/entity/student_teams/entity";
     }
+
+    @GetMapping("/courses/{courseCode}/student_teams/create")
+    public String getCreate(@PathVariable String courseCode, Model model) {
+        Optional<Course> optionalCourse = this.courseRepository.findByCode(courseCode);
+        optionalCourse.ifPresent(course -> model.addAttribute("course", course));
+
+        return "courses/entity/student_teams/create";
+    }
+
+    @PostMapping("/courses/{courseCode}/student_teams/create")
+    public String postCreate(@PathVariable String courseCode, Model model) {
+        Optional<Course> optionalCourse = this.courseRepository.findByCode(courseCode);
+        optionalCourse.ifPresent(course -> {
+            StudentTeam team = new StudentTeam(course);
+            course.addStudentTeam(team);
+            this.courseRepository.save(course);
+        });
+
+        return "redirect:/courses/{courseCode}/student_teams";
+    }
+
+    @GetMapping("/courses/{courseCode}/student_teams/{teamId}/add_student")
+    public String getAddStudent(@PathVariable String courseCode, @PathVariable long teamId, Model model) {
+        Optional<Course> optionalCourse = this.courseRepository.findByCode(courseCode);
+        Optional<StudentTeam> optionalStudentTeam = this.studentTeamRepository.findById(teamId);
+
+        if (optionalCourse.isPresent() && optionalStudentTeam.isPresent()) {
+            model.addAttribute("course", optionalCourse.get());
+            model.addAttribute("student_team", optionalStudentTeam.get());
+            model.addAttribute("eligible_students", optionalCourse.get().getStudents());
+        }
+
+        return "courses/entity/student_teams/entity/add_student";
+    }
+
+    @PostMapping("/courses/{courseCode}/student_teams/{teamId}/add_student")
+    public String postAddStudent(
+            @PathVariable String courseCode,
+            @PathVariable long teamId,
+            @RequestParam(value = "student_id") long studentId
+    ) {
+        Optional<Course> optionalCourse = this.courseRepository.findByCode(courseCode);
+        Optional<StudentTeam> optionalStudentTeam = this.studentTeamRepository.findById(teamId);
+        Optional<Student> optionalStudent = this.studentRepository.findById(studentId);
+
+        if (optionalCourse.isPresent() && optionalStudentTeam.isPresent() && optionalStudent.isPresent()) {
+            StudentTeam team = optionalStudentTeam.get();
+            Student student = optionalStudent.get();
+
+            team.addMember(student);
+            student.assignToTeam(team);
+            this.studentTeamRepository.save(team);
+            this.studentRepository.save(student);
+        }
+
+        return "redirect:/courses/{courseCode}/student_teams";
+    }
+
+    @GetMapping("/courses/{courseCode}/student_teams/{teamId}/assign_teaching_assistant_team")
+    public String getAssignTeachingAssistantTeam(
+            @PathVariable String courseCode,
+            @PathVariable long teamId,
+            Model model
+    ) {
+        Optional<Course> optionalCourse = this.courseRepository.findByCode(courseCode);
+        Optional<StudentTeam> optionalStudentTeam = this.studentTeamRepository.findById(teamId);
+
+        if (optionalCourse.isPresent() && optionalStudentTeam.isPresent()) {
+            model.addAttribute("course", optionalCourse.get());
+            model.addAttribute("student_team", optionalStudentTeam.get());
+        }
+
+        return "courses/entity/student_teams/entity/assign_teaching_assistant_team";
+    }
+
+    @PostMapping("/courses/{courseCode}/student_teams/{teamId}/assign_teaching_assistant_team")
+    public String postAssignTeachingAssistantTeam(
+            @PathVariable String courseCode,
+            @PathVariable long teamId,
+            @RequestParam(value = "teaching_assistant_team_id") long teachingAssistantTeamId
+    ) {
+        Optional<Course> optionalCourse = this.courseRepository.findByCode(courseCode);
+        Optional<StudentTeam> optionalStudentTeam = this.studentTeamRepository.findById(teamId);
+        Optional<TeachingAssistantTeam> optionalTeachingAssistantTeam = this.teachingAssistantTeamRepository.findById(teachingAssistantTeamId);
+
+        if (optionalCourse.isPresent() && optionalStudentTeam.isPresent()) {
+            TeachingAssistantTeam teachingAssistantTeam = null;
+            if (optionalTeachingAssistantTeam.isPresent()) {
+                teachingAssistantTeam = optionalTeachingAssistantTeam.get();
+            }
+
+            StudentTeam studentTeam = optionalStudentTeam.get();
+            TeachingAssistantTeam oldTeam = studentTeam.getAssignedTeachingAssistantTeam();
+
+            // Unset old TA team if it exists.
+            if (oldTeam != null) {
+                oldTeam.removeAssignedStudentTeam(studentTeam);
+                studentTeam.setAssignedTeachingAssistantTeam(null);
+                this.teachingAssistantTeamRepository.save(oldTeam);
+                this.studentTeamRepository.save(studentTeam);
+            }
+
+            // Set new TA team if it exists.
+            if (teachingAssistantTeam != null) {
+                studentTeam.setAssignedTeachingAssistantTeam(teachingAssistantTeam);
+                teachingAssistantTeam.addAssignedStudentTeam(studentTeam);
+                this.teachingAssistantTeamRepository.save(teachingAssistantTeam);
+                this.studentTeamRepository.save(studentTeam);
+            }
+        }
+
+        return "redirect:/courses/{courseCode}/student_teams";
+    }
+
+    @GetMapping("/courses/{courseCode}/student_teams/{teamId}/remove_student/{studentId}")
+    public String getRemoveStudent(
+            @PathVariable String courseCode,
+            @PathVariable long teamId,
+            @PathVariable long studentId
+    ) {
+        Optional<Course> optionalCourse = this.courseRepository.findByCode(courseCode);
+        Optional<StudentTeam> optionalStudentTeam = this.studentTeamRepository.findById(teamId);
+        Optional<Student> optionalStudent = this.studentRepository.findById(studentId);
+
+        if (optionalCourse.isPresent() && optionalStudentTeam.isPresent() && optionalStudent.isPresent()) {
+            Student student = optionalStudent.get();
+            StudentTeam team = optionalStudentTeam.get();
+            Course course = optionalCourse.get();
+
+            // If the team has a github repository, remove this student as a collaborator.
+            if (team.getGithubRepositoryName() != null) {
+                try {
+                    GithubManager manager = new GithubManager(course.getApiKey());
+                    manager.removeCollaborator(team, student);
+                    System.out.println("Removed " + student.getGithubUsername() + " from " + team.getGithubRepositoryName());
+                } catch (IOException e) {
+                    System.err.println("Could not remove student from repository: " + team.getGithubRepositoryName());
+                }
+            }
+
+            team.removeMember(student);
+            student.removeFromAssignedTeam(team);
+
+            this.studentTeamRepository.save(team);
+            this.studentRepository.save(student);
+        }
+
+        return "redirect:/courses/{courseCode}/student_teams/{teamId}";
+    }
+
+    @GetMapping("/courses/{courseCode}/student_teams/{teamId}/generate_repository")
+    public String getGenerateRepository(
+            @PathVariable String courseCode,
+            @PathVariable long teamId
+    ) {
+        Optional<Course> optionalCourse = this.courseRepository.findByCode(courseCode);
+        Optional<StudentTeam> optionalStudentTeam = this.studentTeamRepository.findById(teamId);
+
+        if (optionalCourse.isPresent() && optionalStudentTeam.isPresent()) {
+            StudentTeam team = optionalStudentTeam.get();
+            Course course = optionalCourse.get();
+
+            if (team.getGithubRepositoryName() == null) {
+                System.out.println("Generating repository.");
+                try {
+                    GithubManager manager = new GithubManager(course.getApiKey());
+                    String name = manager.generateStudentTeamRepository(team);
+                    team.setGithubRepositoryName(name);
+                    this.studentTeamRepository.save(team);
+
+                } catch (IOException e) {
+                    System.err.println("Could not generate repository.");
+                }
+            } else {
+                System.err.println("Repository already exists.");
+            }
+
+        } else {
+            System.err.println("Could not find all objects.");
+        }
+
+        return "redirect:/courses/{courseCode}/student_teams/{teamId}";
+    }
+
+    @GetMapping("/courses/{courseCode}/student_teams/{teamId}/remove")
+    public String remove(@PathVariable String courseCode, @PathVariable long teamId) {
+        Optional<Course> optionalCourse = this.courseRepository.findByCode(courseCode);
+        Optional<StudentTeam> optionalStudentTeam = this.studentTeamRepository.findById(teamId);
+
+        if (optionalCourse.isPresent() && optionalStudentTeam.isPresent()) {
+            StudentTeam team = optionalStudentTeam.get();
+            Course course = optionalCourse.get();
+
+            // Remove the student team at all costs!
+            if (team.getGithubRepositoryName() != null) {
+                // First remove all student collaborators.
+                try {
+                    GithubManager manager = new GithubManager(course.getApiKey());
+                    manager.deactivateRepository(team);
+                } catch (IOException e) {
+                    e.printStackTrace();
+                    System.err.println("Could not deactivate repository.");
+                }
+            }
+
+            // Remove all students from this team.
+            for (Student s : team.getStudents()) {
+                s.removeFromAssignedTeam(team);
+                team.removeMember(s);
+                this.studentRepository.save(s);
+            }
+
+            // Remove the TA team assignment.
+            TeachingAssistantTeam teachingAssistantTeam = team.getAssignedTeachingAssistantTeam();
+            teachingAssistantTeam.removeAssignedStudentTeam(team);
+            team.setAssignedTeachingAssistantTeam(null);
+            this.teachingAssistantTeamRepository.save(teachingAssistantTeam);
+
+            // Remove the repository from the course and delete it.
+            course.removeStudentTeam(team);
+            this.studentTeamRepository.delete(team);
+            this.courseRepository.save(course);
+        }
+
+        return "redirect:/courses/{courseCode}/student_teams";
+    }
 }

src/main/java/nl/andrewlalis/teaching_assistant_assistant/controllers/courses/entity/students/InviteAllToRepository.java

@@ -63,8 +63,6 @@ public class InviteAllToRepository {
                 keys.add(rawKey.trim());
             }
 
-            String fullRepositoryName = course.getGithubOrganizationName() + '/' + repositoryName;
-
             int inviteCounter = 0;
             GithubManager manager;
             try {
@@ -80,24 +78,30 @@ public class InviteAllToRepository {
                 if (inviteCounter == 50) {
                     System.out.println("Used up 50 invites on key.");
                     try {
+                        if (keys.isEmpty()) {
+                            System.err.println("No more keys.");
+                            failedNames.addAll(githubUsernames);
+                            break;
+                        }
                         manager = new GithubManager(keys.remove(0));
                         inviteCounter = 0;
                     } catch (IOException e) {
                         e.printStackTrace();
                         failedNames.addAll(githubUsernames);
-                        return;
+                        break;
                     }
                 }
 
                 String username = githubUsernames.remove(0);
                 try {
-                    manager.addCollaborator(fullRepositoryName, username, "pull");
+                    manager.addCollaborator(course.getGithubOrganizationName(), repositoryName, username, "pull");
                     inviteCounter++;
                     System.out.println("\tInvited " + username);
                 } catch (IOException e) {
                     //e.printStackTrace();
-                    System.err.println("Could not add " + username + " to repository " + fullRepositoryName + ": " + e.getMessage());
+                    System.err.println("Could not add " + username + " to repository " + repositoryName + ": " + e.getMessage());
                     failedNames.add(username);
+                    inviteCounter = 50; // Try to use a different key if possible.
                 }
             }
 

src/main/java/nl/andrewlalis/teaching_assistant_assistant/controllers/students/StudentEntity.java

@@ -1,7 +1,11 @@
 package nl.andrewlalis.teaching_assistant_assistant.controllers.students;
 
+import nl.andrewlalis.teaching_assistant_assistant.model.Course;
 import nl.andrewlalis.teaching_assistant_assistant.model.people.Student;
+import nl.andrewlalis.teaching_assistant_assistant.model.people.teams.Team;
+import nl.andrewlalis.teaching_assistant_assistant.model.repositories.CourseRepository;
 import nl.andrewlalis.teaching_assistant_assistant.model.repositories.StudentRepository;
+import nl.andrewlalis.teaching_assistant_assistant.model.repositories.TeamRepository;
 import org.springframework.stereotype.Controller;
 import org.springframework.ui.Model;
 import org.springframework.web.bind.annotation.GetMapping;
@@ -15,9 +19,13 @@ import java.util.Optional;
 public class StudentEntity {
 
     private StudentRepository studentRepository;
+    private TeamRepository teamRepository;
+    private CourseRepository courseRepository;
 
-    protected StudentEntity(StudentRepository studentRepository) {
+    protected StudentEntity(StudentRepository studentRepository, TeamRepository teamRepository, CourseRepository courseRepository) {
         this.studentRepository = studentRepository;
+        this.teamRepository = teamRepository;
+        this.courseRepository = courseRepository;
     }
 
     @GetMapping("/students/{id}")
@@ -51,4 +59,27 @@ public class StudentEntity {
 
         return "redirect:/students/{id}";
     }
+
+    @GetMapping("/students/{id}/remove")
+    public String getRemove(@PathVariable long id) {
+        Optional<Student> optionalStudent = this.studentRepository.findById(id);
+        optionalStudent.ifPresent(student -> {
+
+            for (Team team : student.getTeams()) {
+                team.removeMember(student);
+                student.removeFromAssignedTeam(team);
+                this.teamRepository.save(team);
+            }
+
+            for (Course course : student.getCourses()) {
+                course.removeParticipant(student);
+                student.removeFromAssignedCourse(course);
+                this.courseRepository.save(course);
+            }
+
+            this.studentRepository.delete(student);
+        });
+
+        return "redirect:/students";
+    }
 }

src/main/java/nl/andrewlalis/teaching_assistant_assistant/model/Course.java

@@ -110,6 +110,10 @@ public class Course extends BasicEntity {
         this.studentTeams.add(team);
     }
 
+    public void removeStudentTeam(StudentTeam team) {
+        this.studentTeams.remove(team);
+    }
+
     public void addTeachingAssistantTeam(TeachingAssistantTeam team) {
         this.teachingAssistantTeams.add(team);
     }

src/main/java/nl/andrewlalis/teaching_assistant_assistant/model/people/Person.java

@@ -80,12 +80,20 @@ public abstract class Person extends BasicEntity {
         }
     }
 
+    public void removeFromAssignedTeam(Team team) {
+        this.teams.remove(team);
+    }
+
     public void assignToCourse(Course course) {
         if (!this.courses.contains(course)) {
             this.courses.add(course);
         }
     }
 
+    public void removeFromAssignedCourse(Course course) {
+        this.courses.remove(course);
+    }
+
     /*
     Getters and Setters
      */

src/main/java/nl/andrewlalis/teaching_assistant_assistant/model/people/Student.java

@@ -50,7 +50,17 @@ public class Student extends Person {
      */
     @Override
     public boolean equals(Object o) {
-        return super.equals(o) || this.getStudentNumber() == ((Student) o).getStudentNumber();
+        if (super.equals(o)) {
+            return true;
+        }
+
+        if (!(o instanceof Student)) {
+            return false;
+        }
+
+        Student s = (Student) o;
+
+        return this.getStudentNumber() == s.getStudentNumber();
     }
 
     @Override

src/main/java/nl/andrewlalis/teaching_assistant_assistant/model/people/teams/StudentTeam.java

@@ -1,5 +1,6 @@
 package nl.andrewlalis.teaching_assistant_assistant.model.people.teams;
 
+import nl.andrewlalis.teaching_assistant_assistant.model.Course;
 import nl.andrewlalis.teaching_assistant_assistant.model.assignments.grades.AssignmentGrade;
 import nl.andrewlalis.teaching_assistant_assistant.model.people.Person;
 import nl.andrewlalis.teaching_assistant_assistant.model.people.Student;
@@ -41,6 +42,10 @@ public class StudentTeam extends Team {
      */
     public StudentTeam() {}
 
+    public StudentTeam(Course course) {
+        super(course);
+    }
+
     public List<Student> getStudents() {
         List<Person> people = super.getMembers();
         List<Student> students = new ArrayList<>();

src/main/java/nl/andrewlalis/teaching_assistant_assistant/model/people/teams/Team.java

@@ -47,6 +47,15 @@ public abstract class Team extends BasicEntity {
         this.members = new ArrayList<>();
     }
 
+    /**
+     * Publicly available constructor in which a course is required.
+     * @param course The course that this team is in.
+     */
+    public Team(Course course) {
+        this();
+        this.setCourse(course);
+    }
+
     public void addMember(Person person) {
         if (!this.containsMember(person)) {
             this.members.add(person);

src/main/java/nl/andrewlalis/teaching_assistant_assistant/util/github/GithubManager.java

@@ -6,6 +6,7 @@ import com.fasterxml.jackson.databind.node.ObjectNode;
 import nl.andrewlalis.teaching_assistant_assistant.model.people.Student;
 import nl.andrewlalis.teaching_assistant_assistant.model.people.teams.StudentTeam;
 import org.apache.http.HttpResponse;
+import org.apache.http.client.methods.HttpPatch;
 import org.apache.http.client.methods.HttpPut;
 import org.apache.http.entity.StringEntity;
 import org.apache.http.impl.client.CloseableHttpClient;
@@ -15,7 +16,9 @@ import org.kohsuke.github.*;
 import java.io.*;
 import java.net.URL;
 import java.nio.file.Files;
+import java.util.ArrayList;
 import java.util.Calendar;
+import java.util.List;
 import java.util.stream.Collectors;
 
 /**
@@ -164,7 +167,7 @@ public class GithubManager {
 
     private void addStudentsAsCollaborators(GHRepository repository, StudentTeam studentTeam) throws IOException {
         for (Student student : studentTeam.getStudents()) {
-            this.addCollaborator(repository.getFullName(), student.getGithubUsername(), "push");
+            this.addCollaborator(repository.getOwnerName(), repository.getName(), student.getGithubUsername(), "push");
         }
 
     }
@@ -174,9 +177,9 @@ public class GithubManager {
         repository.createRef("refs/heads/development", sha1);
     }
 
-    public void addCollaborator(String repositoryName, String githubUsername, String permission) throws IOException {
+    public void addCollaborator(String organizationName, String repositoryName, String githubUsername, String permission) throws IOException {
         try {
-            String url = "https://api.github.com/repos/" + repositoryName + "/collaborators/" + githubUsername + "?access_token=" + this.apiKey;
+            String url = "https://api.github.com/repos/" + organizationName + '/' + repositoryName + "/collaborators/" + githubUsername + "?access_token=" + this.apiKey;
             HttpPut put = new HttpPut(url);
             CloseableHttpClient client = HttpClientBuilder.create().build();
             ObjectMapper mapper = new ObjectMapper();
@@ -196,6 +199,36 @@ public class GithubManager {
         }
     }
 
+    public void removeCollaborator(StudentTeam studentTeam, Student student) throws IOException {
+        GHOrganization organization = this.github.getOrganization(studentTeam.getCourse().getGithubOrganizationName());
+        GHRepository repository = organization.getRepository(studentTeam.getGithubRepositoryName());
+        GHUser user = this.github.getUser(student.getGithubUsername());
+
+        repository.removeCollaborators(user);
+    }
+
+    /**
+     * Deactivates a repository by removing all collaborator students, unassigning the repository from the TA team that
+     * was responsible for it, and archiving it.
+     * @param studentTeam The student team for which to archive.
+     * @throws IOException
+     */
+    public void deactivateRepository(StudentTeam studentTeam) throws IOException {
+        GHOrganization organization = this.github.getOrganization(studentTeam.getCourse().getGithubOrganizationName());
+        GHRepository repository = organization.getRepository(studentTeam.getGithubRepositoryName());
+        List<GHUser> users = new ArrayList<>();
+        for (Student s : studentTeam.getStudents()) {
+            users.add(this.github.getUser(s.getGithubUsername()));
+        }
+
+        repository.removeCollaborators(users);
+
+        GHTeam taTeam = organization.getTeamByName(studentTeam.getAssignedTeachingAssistantTeam().getGithubTeamName());
+        taTeam.remove(repository);
+
+        this.archiveRepository(repository);
+    }
+
     private void addRepositoryToTeam(GHTeam team, GHRepository repository) throws IOException {
         team.add(repository, GHOrganization.Permission.ADMIN);
     }
@@ -222,4 +255,23 @@ public class GithubManager {
         builder.enable();
     }
 
+    /**
+     * Archives a repository so that it can no longer be manipulated.
+     * TODO: Change to using Github API instead of Apache HttpUtils.
+     * @param repo The repository to archive.
+     */
+    private void archiveRepository(GHRepository repo) throws IOException {
+        HttpPatch patch = new HttpPatch("https://api.github.com/repos/" + repo.getFullName() + "?access_token=" + this.apiKey);
+        CloseableHttpClient client = HttpClientBuilder.create().build();
+        ObjectMapper mapper = new ObjectMapper();
+        ObjectNode root = mapper.createObjectNode();
+        root.put("archived", true);
+        String json = mapper.writeValueAsString(root);
+        patch.setEntity(new StringEntity(json));
+        HttpResponse response = client.execute(patch);
+        if (response.getStatusLine().getStatusCode() != 200) {
+            throw new IOException("Could not archive repository: " + repo.getName() + ". Code: " + response.getStatusLine().getStatusCode());
+        }
+    }
+
 }

src/main/resources/templates/courses/create.html

@@ -37,9 +37,6 @@
 </div>
 
 <div id="sidebar">
-    <div class="sidebar_block">
-        block
-    </div>
 </div>
 
 </body>

src/main/resources/templates/courses/entity/student_teams.html

@@ -66,6 +66,9 @@
     <div class="sidebar_block">
         <a th:href="@{/courses/{code}/student_teams/export_contact_info(code=${course.getCode()})}">Export Team Contact Details</a>
     </div>
+    <div class="sidebar_block">
+        <a th:href="@{/courses/{code}/student_teams/create(code=${course.getCode()})}">Create New Student Team</a>
+    </div>
 </div>
 
 </body>

src/main/resources/templates/courses/entity/student_teams/create.html

@@ -0,0 +1,28 @@
+<!DOCTYPE html>
+<html xmlns:th="http://www.thymeleaf.org" th:replace="~{layouts/basic_page :: layout (~{::title}, ~{::#content}, ~{::#sidebar})}">
+<head>
+    <title>Create Student Team</title>
+</head>
+<body>
+
+<div id="content">
+    <h1>Create a New Student Team</h1>
+
+    <p>
+        Creates a new student team for the <span th:text="${course.getName()}"></span> course, without any assigned TA team or student members.
+    </p>
+
+    <form action="#" th:action="@{/courses/{code}/student_teams/create(code=${course.getCode()})}" enctype="application/x-www-form-urlencoded" method="post">
+
+        <div class="page_row">
+            <button type="submit">Submit</button>
+        </div>
+    </form>
+</div>
+
+<div id="sidebar">
+
+</div>
+
+</body>
+</html>

src/main/resources/templates/courses/entity/student_teams/entity.html

@@ -16,7 +16,7 @@
                 <span th:text="${student_team.getGithubRepositoryName()}"></span>
             </a>
         </li>
-        <li>
+        <li th:if="${student_team.getAssignedTeachingAssistantTeam() != null}">
             Assigned Teaching Assistant Team:
             <a
                     th:if="${student_team.getAssignedTeachingAssistantTeam() != null}"
@@ -31,6 +31,10 @@
                     <a th:href="@{/students/{id}(id=${student.getId()})}">
                         <span th:text="${student.getFullName()}"></span>
                     </a>
+                    (<a
+                        th:href="@{/courses/{code}/student_teams/{id}/remove_student/{student_id}
+                    (code=${student_team.getCourse().getCode()}, id=${student_team.getId()}, student_id=${student.getId()})}"
+                    >Remove From This Team</a>)
                 </li>
             </ul>
         </li>
@@ -39,17 +43,37 @@
 </div>
 
 <div id="sidebar">
-    <div class="sidebar_block">
+    <div class="sidebar_block" th:if="${student_team.getGithubRepositoryName() == null && student_team.getAssignedTeachingAssistantTeam() != null}">
         <a
-                th:if="${student_team.getGithubRepositoryName() == null}"
                 th:href="@{/courses/{code}/student_teams/{id}/generate_repository
-                (code=${student_team.getCourse().getCode()}, id=${student_team.getAssignedTeachingAssistantTeam().getId()})}"
+                (code=${student_team.getCourse().getCode()}, id=${student_team.getId()})}"
         >Generate Repository</a>
+    </div>
+
+    <div class="sidebar_block" th:if="${student_team.getGithubRepositoryName() != null}">
         <a
-                th:if="${student_team.getGithubRepositoryName() != null}"
                 th:href="@{/courses/{code}/student_teams/{id}/delete_repository
                 (code=${student_team.getCourse().getCode()}, id=${student_team.getAssignedTeachingAssistantTeam().getId()})}"
-        >Delete Repository</a>
+        >Archive Repository</a>
+    </div>
+
+    <div class="sidebar_block">
+        <a th:href="@{/courses/{code}/student_teams/{id}/add_student(code=${student_team.getCourse().getCode()}, id=${student_team.getId()})}">
+            Add Student To Team
+        </a>
+    </div>
+
+    <div class="sidebar_block">
+        <a th:href="@{/courses/{code}/student_teams/{id}/assign_teaching_assistant_team(code=${student_team.getCourse().getCode()}, id=${student_team.getId()})}">
+            Assign Teaching Assistant Team
+        </a>
+    </div>
+
+    <div class="sidebar_block">
+        <a th:href="@{/courses/{code}/student_teams/{id}/remove(code=${student_team.getCourse().getCode()}, id=${student_team.getId()})}">Remove This Team</a>
+        <p>
+            Removes this team permanently, and archives the repository.
+        </p>
     </div>
 </div>
 

src/main/resources/templates/courses/entity/student_teams/entity/add_student.html

@@ -0,0 +1,35 @@
+<!DOCTYPE html>
+<html xmlns:th="http://www.thymeleaf.org" th:replace="~{layouts/basic_page :: layout (~{::title}, ~{::#content}, ~{::#sidebar})}">
+<head>
+    <title>Add Student To Team</title>
+</head>
+<body>
+
+<div id="content">
+    <h1>Add a Student to Team <span th:text="${student_team.getId()}"></span></h1>
+
+    <form
+            action="#"
+            th:action="@{/courses/{code}/student_teams/{id}/add_student(code=${course.getCode()}, id=${student_team.getId()})}"
+            enctype="application/x-www-form-urlencoded"
+            method="post"
+    >
+        <div class="page_row">
+            <label for="student_select">Select a Student to Add:</label>
+            <select id="student_select" name="student_id" required>
+                <option th:each="student: ${eligible_students}" th:value="${student.getId()}" th:text="${student.getFullName()}"></option>
+            </select>
+        </div>
+
+        <div class="page_row">
+            <button type="submit">Submit</button>
+        </div>
+    </form>
+</div>
+
+<div id="sidebar">
+
+</div>
+
+</body>
+</html>

src/main/resources/templates/courses/entity/student_teams/entity/assign_teaching_assistant_team.html

@@ -0,0 +1,39 @@
+<!DOCTYPE html>
+<html xmlns:th="http://www.thymeleaf.org" th:replace="~{layouts/basic_page :: layout (~{::title}, ~{::#content}, ~{::#sidebar})}">
+<head>
+    <title>Assign Teaching Assistant Team</title>
+</head>
+<body>
+
+<div id="content">
+    <h1>Assign a Teaching Assistant Team to Student Team <span th:text="${student_team.getId()}"></span></h1>
+
+    <form
+            action="#"
+            th:action="@{/courses/{code}/student_teams/{id}/assign_teaching_assistant_team(code=${course.getCode()}, id=${student_team.getId()})}"
+            enctype="application/x-www-form-urlencoded"
+            method="post"
+    >
+        <div class="page_row">
+            <label for="ta_team_select">Select a Team:</label>
+            <select id="ta_team_select" name="teaching_assistant_team_id">
+                <option value="-1">None</option>
+                <option
+                        th:each="team: ${course.getTeachingAssistantTeams()}" th:value="${team.getId()}"
+                        th:text="${'Team ' + team.getId() + ' (Manages ' + team.getAssignedStudentTeams().size() + ' student teams)'}"
+                ></option>
+            </select>
+        </div>
+
+        <div class="page_row">
+            <button type="submit">Submit</button>
+        </div>
+    </form>
+</div>
+
+<div id="sidebar">
+
+</div>
+
+</body>
+</html>

src/main/resources/templates/fragments/footer.html

@@ -6,17 +6,17 @@
 <body>
 
 <footer th:fragment="footer" class="footer_bar">
-    <link rel="stylesheet" href="../../../resources/static/css/footer.css" th:href="@{/css/footer.css}"/>
+<!--    <link rel="stylesheet" href="../../../resources/static/css/footer.css" th:href="@{/css/footer.css}"/>-->
 
-    <div class="third">
+<!--    <div class="third">-->
-        First third of footer
+<!--        First third of footer-->
-    </div>
+<!--    </div>-->
-    <div class="third">
+<!--    <div class="third">-->
-        Middle of footer
+<!--        Middle of footer-->
-    </div>
+<!--    </div>-->
-    <div class="third">
+<!--    <div class="third">-->
-        Right side of footer.
+<!--        Right side of footer.-->
-    </div>
+<!--    </div>-->
 
 </footer>
 

src/main/resources/templates/students.html

@@ -37,12 +37,17 @@
                     ></a>
                 </div>
             </td>
+            <td>
+                <a th:href="@{/students/{id}/remove(id=${student.getId()})}">Remove</a>
+            </td>
         </tr>
     </table>
 </div>
 
 <div id="sidebar">
-
+    <div class="sidebar_block">
+        <a th:href="@{/students/create}">Create Student</a>
+    </div>
 </div>
 
 </body>

src/main/resources/templates/students/create.html

@@ -0,0 +1,60 @@
+<!DOCTYPE html>
+<html xmlns:th="http://www.thymeleaf.org" th:replace="~{layouts/basic_page :: layout (~{::title}, ~{::#content}, ~{::#sidebar})}">
+<head>
+    <title>Create a Student</title>
+</head>
+<body>
+
+<div id="content">
+    <h1>Create New Student</h1>
+
+    <form action="#" th:action="@{/students/create}" th:object="${student}" method="post" enctype="application/x-www-form-urlencoded">
+        <div class="page_row">
+            <label for="student_first_name_input">First Name:</label>
+            <input id="student_first_name_input" type="text" th:field="*{firstName}" required />
+        </div>
+
+        <div class="page_row">
+            <label for="student_last_name_input">Last Name:</label>
+            <input id="student_last_name_input" type="text" th:field="*{lastName}" required />
+        </div>
+
+        <div class="page_row">
+            <label for="student_email_input">Email Address:</label>
+            <input id="student_email_input" type="email" th:field="*{emailAddress}" required />
+        </div>
+
+        <div class="page_row">
+            <label for="student_github_username_input">Github Username:</label>
+            <input id="student_github_username_input" type="text" th:field="*{githubUsername}" required />
+        </div>
+
+        <div class="page_row">
+            <label for="student_number_input">Student Number:</label>
+            <input id="student_number_input" type="number" th:field="*{studentNumber}" required />
+        </div>
+
+        <div class="page_row">
+            <label for="student_course_select">Select a course to add the student to:</label>
+            <select id="student_course_select" name="course_code">
+                <option value="NO_COURSE_SELECTED">None</option>
+                <option
+                        th:each="course: ${courses}"
+                        th:value="${course.getCode()}"
+                        th:text="${course.getName()}"
+                ></option>
+            </select>
+        </div>
+
+        <div class="page_row">
+            <button type="submit">Submit</button>
+        </div>
+
+    </form>
+</div>
+
+<div id="sidebar">
+</div>
+
+</body>
+</html>