Did some serious refactoring.

This commit is contained in:
Andrew Lalis 2018-08-30 23:34:04 +02:00
parent 6d7efbe97f
commit 6d42385814
9 changed files with 190 additions and 89 deletions

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@ -31,21 +31,23 @@ public class Main {
// Command executor which will be used by all actions the user can do.
CommandExecutor executor = new CommandExecutor();
// Main application model.
Organization organization = new Organization();
// Main application model is stored as a static variable that is accessible everywhere.
InitializerApp.organization = new Organization();
// Initialize User Interface.
InitializerApp app = new InitializerApp(executor, organization);
InitializerApp app = new InitializerApp(executor);
app.begin();
app.setAccessToken(userOptions.get("token"));
// Initialize executable commands.
executor.registerCommand("read_students", new ReadStudentsFile(organization));
executor.registerCommand("read_students", new ReadStudentsFile(InitializerApp.organization));
executor.registerCommand("archive_all", new ArchiveRepos());
executor.registerCommand("generate_assignments", new GenerateAssignmentsRepo());
executor.registerCommand("define_ta_teams", new DefineTaTeams(app));
logger.info("GithubManager for Github Repositories in Educational Organizations. Program initialized.");
logger.info("GithubManager for Github Repositories in Educational Organizations.\n" +
"© Andrew Lalis (2018), All rights reserved.\n" +
"Program initialized.");
}
}

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@ -2,7 +2,13 @@ package nl.andrewlalis.git_api;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.node.ObjectNode;
import nl.andrewlalis.model.*;
import nl.andrewlalis.model.Student;
import nl.andrewlalis.model.StudentTeam;
import nl.andrewlalis.model.TATeam;
import nl.andrewlalis.model.TeachingAssistant;
import nl.andrewlalis.model.error.Error;
import nl.andrewlalis.model.error.Severity;
import nl.andrewlalis.ui.view.InitializerApp;
import org.apache.http.HttpResponse;
import org.apache.http.client.methods.HttpPatch;
import org.apache.http.entity.StringEntity;
@ -81,7 +87,7 @@ public class GithubManager {
public List<TeachingAssistant> getMembers() {
List<TeachingAssistant> teachingAssistants = new ArrayList<>();
try {
for (GHUser member : this.organization.getMembers()) {
for (GHUser member : this.organization.listMembers().asList()) {
teachingAssistants.add(new TeachingAssistant(-1, member.getName(), member.getEmail(), member.getLogin()));
}
} catch (IOException e) {
@ -91,34 +97,6 @@ public class GithubManager {
return teachingAssistants;
}
/**
* Initializes the github repository for all studentTeams given.
*
* Creates for the entire organization:
* - an assignments repository with protected master branch and TA permissions.
* Creates for each team:
* - a repository
* - protected master branch
* - development branch
* - adds students to repository
* - adds all students to assignments repository.
* @param studentTeams The list of student studentTeams.
* @param teamAll The team of all teaching assistants.
* @param assignmentsRepoName The name of the assignments repo.
* @throws Exception If an error occurs while initializing the github repositories.
*/
public void initializeGithubRepos(List<StudentTeam> studentTeams, TATeam teamAll, String assignmentsRepoName) throws Exception {
this.setupAssignmentsRepo(assignmentsRepoName, "fuck the police", teamAll.getName());
StudentTeam t = new StudentTeam();
Student s = new Student(3050831, "Andrew Lalis", "andrewlalisofficial@gmail.com", "andrewlalis", null);
t.addMember(s);
t.setId(42);
this.setupStudentTeam(t, teamAll.getGithubTeam(), "advoop_2018");
// TODO: Finish this method.
}
/**
* Sets up the organization's assignments repository, and grants permissions to all teaching assistants.
* @param assignmentsRepoName The name of the assignments repository.
@ -131,6 +109,7 @@ public class GithubManager {
// Check if the repository already exists.
GHRepository existingRepo = this.organization.getRepository(assignmentsRepoName);
if (existingRepo != null) {
InitializerApp.organization.addError(new Error(Severity.MINOR, "Assignments repository already existed, deleting it."));
existingRepo.delete();
logger.fine("Deleted pre-existing assignments repository.");
}
@ -155,46 +134,45 @@ public class GithubManager {
* @param team The student team to set up.
* @param taTeam The team of teaching assistants that is responsible for these students.
* @param prefix The prefix to append to the front of the repo name.
* @throws IOException If an HTTP request fails.
*/
public void setupStudentTeam(StudentTeam team, GHTeam taTeam, String prefix) throws IOException {
public void setupStudentTeam(StudentTeam team, TATeam taTeam, String prefix) {
// First check that the assignments repo exists, otherwise no invitations can be sent.
if (this.assignmentsRepo == null) {
logger.warning("Assignments repository must be created before student repositories.");
return;
}
GHRepository repo = this.createRepository(team.generateUniqueName(prefix), taTeam, team.generateRepoDescription(), false, true, false);
GHRepository repo = this.createRepository(team.generateUniqueName(prefix), taTeam.getGithubTeam(), team.generateRepoDescription(), false, true, false);
if (repo == null) {
logger.severe("Repository for student team " + team.getId() + " could not be created.");
return;
}
this.protectMasterBranch(repo, taTeam);
this.protectMasterBranch(repo, taTeam.getGithubTeam());
this.createDevelopmentBranch(repo);
this.addTATeamAsAdmin(repo, taTeam.getGithubTeam());
this.inviteStudentsToRepos(team, repo);
taTeam.add(repo, GHOrganization.Permission.ADMIN);
logger.fine("Added team " + taTeam.getName() + " as admin to repository: " + repo.getName());
List<GHUser> users = new ArrayList<>();
for (Student student : team.getStudents()) {
GHUser user = this.github.getUser(student.getGithubUsername());
users.add(user);
}
repo.addCollaborators(users);
this.assignmentsRepo.addCollaborators(users);
team.setRepository(repo);
team.setTaTeam(taTeam);
}
/**
* Deletes all repositories in the organization.
* @throws IOException if an error occurs with sending requests.
* @param substring The substring which repository names should contain to be deleted.
*/
public void deleteAllRepositories() throws IOException {
public void deleteAllRepositories(String substring) {
List<GHRepository> repositories = this.organization.listRepositories().asList();
for (GHRepository repo : repositories) {
if (repo.getName().contains(substring)) {
try {
repo.delete();
} catch (IOException e) {
InitializerApp.organization.addError(new Error(Severity.HIGH, "Could not delete repository: " + repo.getName()));
e.printStackTrace();
}
}
}
}
@ -202,7 +180,7 @@ public class GithubManager {
* Archives all repositories whose name contains the given substring.
* @param sub Any repository containing this substring will be archived.
*/
public void archiveAllRepositories(String sub) throws IOException {
public void archiveAllRepositories(String sub) {
List<GHRepository> repositories = this.organization.listRepositories().asList();
for (GHRepository repo : repositories) {
if (repo.getName().contains(sub)) {
@ -215,9 +193,9 @@ public class GithubManager {
* 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.
* @throws IOException If an error occurs with the HTTP request.
*/
public void archiveRepository(GHRepository repo) throws IOException {
private void archiveRepository(GHRepository repo) {
try {
HttpPatch patch = new HttpPatch("https://api.github.com/repos/" + repo.getFullName() + "?access_token=" + this.accessToken);
CloseableHttpClient client = HttpClientBuilder.create().build();
ObjectMapper mapper = new ObjectMapper();
@ -230,6 +208,46 @@ public class GithubManager {
throw new IOException("Could not archive repository: " + repo.getName() + ". Code: " + response.getStatusLine().getStatusCode());
}
logger.info("Archived repository: " + repo.getFullName());
} catch (IOException e) {
InitializerApp.organization.addError(new Error(Severity.HIGH, "Could not archive repository: " + repo.getName()));
}
}
/**
* Invites students in a team to their repository, and the assignments repository.
* @param team The team of students to invite as collaborators.
* @param repo The repository created for the students.
*/
private void inviteStudentsToRepos(StudentTeam team, GHRepository repo) {
try {
logger.finest("Adding students from team: " + team.getId() + " as collaborators.");
List<GHUser> users = new ArrayList<>();
for (Student student : team.getStudents()) {
GHUser user = this.github.getUser(student.getGithubUsername());
users.add(user);
}
repo.addCollaborators(users);
this.assignmentsRepo.addCollaborators(users);
} catch (IOException e) {
InitializerApp.organization.addError(new Error(Severity.HIGH, "Students in team: " + team + " could not be added as collaborators to assignments repo or their repository."));
logger.warning("Could not add students as collaborators to assignments or their repo.");
}
}
/**
* Adds a teaching assistant team as admins to a particular student repository.
* @param studentRepo The student repository.
* @param taTeam The team to give admin rights.
*/
private void addTATeamAsAdmin(GHRepository studentRepo, GHTeam taTeam) {
try {
taTeam.add(studentRepo, GHOrganization.Permission.ADMIN);
logger.fine("Added team " + taTeam.getName() + " as admin to repository: " + studentRepo.getName());
} catch (IOException e) {
InitializerApp.organization.addError(new Error(Severity.HIGH, "Could not add TA Team: " + taTeam.getName() + " as ADMIN to repository: " + studentRepo.getName()));
logger.severe("Could not add TA Team: " + taTeam.getName() + " as admins to repository: " + studentRepo.getName());
}
}
/**
@ -248,6 +266,7 @@ public class GithubManager {
protectionBuilder.enable();
logger.fine("Protected master branch of repository: " + repo.getName());
} catch (IOException e) {
InitializerApp.organization.addError(new Error(Severity.HIGH, "Could not protect master branch of repository: " + repo.getName()));
logger.severe("Could not protect master branch of repository: " + repo.getName());
e.printStackTrace();
}
@ -263,6 +282,7 @@ public class GithubManager {
repo.createRef("refs/heads/development", sha1);
logger.fine("Created development branch of repository: " + repo.getName());
} catch (IOException e) {
InitializerApp.organization.addError(new Error(Severity.HIGH, "Could not create development branch of repository: " + repo.getName()));
logger.severe("Could not create development branch for repository: " + repo.getName() + '\n' + e.getMessage());
e.printStackTrace();
}
@ -276,7 +296,7 @@ public class GithubManager {
* @param hasWiki Whether the repo has a wiki enabled.
* @param hasIssues Whether the repo has issues enabled.
* @param isPrivate Whether or not the repository is private.
* @return The repository that was created, or
* @return The repository that was created, or null if it could not be created.
*/
private GHRepository createRepository(String name, GHTeam taTeam, String description, boolean hasWiki, boolean hasIssues, boolean isPrivate){
try {
@ -286,12 +306,13 @@ public class GithubManager {
builder.issues(hasIssues);
builder.description(description);
builder.gitignoreTemplate("Java");
builder.private_(isPrivate); // TODO: Change this to true for production
builder.private_(isPrivate);
GHRepository repo = builder.create();
logger.fine("Created repository: " + repo.getName());
return repo;
} catch (IOException e) {
logger.severe("Could not create repository: " + name + '\n' + e.getMessage());
InitializerApp.organization.addError(new Error(Severity.CRITICAL, "Could not create repository: " + name));
e.printStackTrace();
return null;
}

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@ -1,16 +1,17 @@
package nl.andrewlalis.model;
import com.sun.org.apache.xpath.internal.operations.Or;
import nl.andrewlalis.model.error.Error;
import java.util.ArrayList;
import java.util.List;
import java.util.Observable;
/**
* This class represents the overarching model container for the entire application, and holds in memory all student
* teams created, teaching assistant teams, and any other state information that would be needed by the user interface
* or runtime executables.
*/
public class Organization {
public class Organization extends Observable {
/**
* A list of all student teams in this organization. This is generated from a CSV file supplied after many students
@ -18,11 +19,18 @@ public class Organization {
*/
private List<StudentTeam> studentTeams;
/**
* A queue of errors that accumulates as the program runs. These will be output to the user after execution of
* critical sections, so that inevitable errors due to input imperfections are not overlooked.
*/
private List<Error> errors;
/**
* Constructs a new Organization object with all instance variables initialized to empty values.
*/
public Organization() {
this.studentTeams = new ArrayList<>();
this.errors = new ArrayList<>();
}
/**
@ -38,9 +46,25 @@ public class Organization {
return this.studentTeams;
}
public List<Error> getErrors() {
return this.errors;
}
// SETTERS
public void setStudentTeams(List<StudentTeam> teams) {
this.studentTeams = teams;
this.setChanged();
this.notifyObservers();
}
/**
* Adds an error to the list of accumulated errors.
* @param newError The newly generated error to add.
*/
public void addError(Error newError) {
this.errors.add(newError);
this.setChanged();
this.notifyObservers();
}
}

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@ -0,0 +1,45 @@
package nl.andrewlalis.model.error;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Date;
/**
* Represents an error that occurs, but does not stop the application while running. Different from an exception in that
* errors are meant to be added to a list and processed at a later time, and not hinder the operations in the present.
*/
public class Error {
/**
* The time at which this error occurred.
*/
private long timestamp;
/**
* The severity of the error.
*/
private Severity severity;
/**
* A custom error message generated at the time of the error.
*/
private String message;
/**
* Constructs a new Error with a severity and message.
* @param severity The severity of the message.
* @param message The custom generated error message for this error.
*/
public Error(Severity severity, String message) {
this.timestamp = System.currentTimeMillis();
this.severity = severity;
this.message = message;
}
@Override
public String toString() {
DateFormat df = new SimpleDateFormat("dd/MM/yyyy HH:mm:ss");
String dateString = df.format(new Date(this.timestamp));
return dateString + ' ' + this.severity.toString() + ": " + this.message;
}
}

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@ -0,0 +1,12 @@
package nl.andrewlalis.model.error;
/**
* Represents the different levels of severity for errors.
*/
public enum Severity {
CRITICAL, // Anything which happens and could have serious side-effects or massive implications system-wide.
HIGH, // Errors which should be at the top of priority to sort out after a procedure is executed.
MEDIUM, // Medium errors are, as the name implies, of a medium priority.
LOW, // Low severity errors are the smallest errors that should be processed soon to avoid issues.
MINOR // Minor errors are so insignificant that they may not even require user intervention.
}

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@ -2,6 +2,10 @@ package nl.andrewlalis.ui.control.command.executables;
import nl.andrewlalis.git_api.GithubManager;
/**
* An executable which opens up a dialog to allow a user to delegate how many student teams each TATeam gets to manage,
* and actually generate the student repositories using the manager.
*/
public class GenerateStudentRepos extends GithubExecutable {
@Override

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@ -2,7 +2,10 @@ package nl.andrewlalis.ui.control.command.executables;
import nl.andrewlalis.model.Organization;
import nl.andrewlalis.model.StudentTeam;
import nl.andrewlalis.model.error.Error;
import nl.andrewlalis.model.error.Severity;
import nl.andrewlalis.ui.control.command.Executable;
import nl.andrewlalis.ui.view.InitializerApp;
import nl.andrewlalis.util.FileUtils;
import java.util.List;
@ -17,15 +20,6 @@ import java.util.List;
*/
public class ReadStudentsFile implements Executable {
/**
* A reference to the application's organization model.
*/
private Organization organization;
public ReadStudentsFile(Organization organization) {
this.organization = organization;
}
@Override
public boolean execute(String[] args) {
if (args.length < 2) {
@ -37,7 +31,7 @@ public class ReadStudentsFile implements Executable {
if (teams == null) {
return false;
}
this.organization.setStudentTeams(teams);
InitializerApp.organization.setStudentTeams(teams);
return true;
}
}

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@ -1,15 +1,12 @@
package nl.andrewlalis.ui.view;
import com.sun.org.apache.xpath.internal.operations.Or;
import nl.andrewlalis.model.Organization;
import nl.andrewlalis.model.StudentTeam;
import nl.andrewlalis.ui.control.OutputTextHandler;
import nl.andrewlalis.ui.control.command.CommandExecutor;
import nl.andrewlalis.ui.control.listeners.*;
import javax.swing.*;
import java.awt.*;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;
@ -44,19 +41,16 @@ public class InitializerApp extends JFrame {
/**
* The organization object, which contains all important state information.
*/
private Organization organization;
public static Organization organization;
/**
* Constructs a new instance of the main application frame, with both an executor, and organization model.
*
* @param executor The command executor, which is passed to any action listeners, so that buttons in this interface
* may execute commands in the same way that the command line can.
* @param organization A reference to the application's organization model, which holds all important runtime state
* information.
*/
public InitializerApp(CommandExecutor executor, Organization organization) {
public InitializerApp(CommandExecutor executor) {
this.executor = executor;
this.organization = organization;
// UI initialization.
ImageIcon icon = new ImageIcon(getClass().getResource("/image/icon.png"));

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@ -2,6 +2,9 @@ package nl.andrewlalis.util;
import nl.andrewlalis.model.Student;
import nl.andrewlalis.model.StudentTeam;
import nl.andrewlalis.model.error.Error;
import nl.andrewlalis.model.error.Severity;
import nl.andrewlalis.ui.view.InitializerApp;
import org.apache.commons.csv.CSVFormat;
import org.apache.commons.csv.CSVRecord;
@ -36,6 +39,7 @@ public class TeamGenerator {
logger.fine("Generating teams of size " + teamSize);
if (teamSize < 1) {
logger.severe("Invalid team size.");
InitializerApp.organization.addError(new Error(Severity.CRITICAL, "Invalid team size while generating teams from CSV."));
throw new IllegalArgumentException("StudentTeam size must be greater than or equal to 1. Got " + teamSize);
}
logger.fine("Parsing CSV file.");
@ -47,6 +51,7 @@ public class TeamGenerator {
studentMap = readAllStudents(records, teamSize);
} catch (ArrayIndexOutOfBoundsException e) {
logger.severe("StudentTeam size does not match column count in records.");
InitializerApp.organization.addError(new Error(Severity.CRITICAL, "Team size does not match column count in records."));
throw new IllegalArgumentException("StudentTeam size does not match column count in records.");
}