src/main/java/nl/andrewlalis/model/DatabaseObject.java

@@ -0,0 +1,9 @@
+package nl.andrewlalis.model;
+
+public abstract class DatabaseObject {
+
+    public abstract DatabaseObject retrieve();
+
+    public abstract boolean store();
+
+}

src/main/java/nl/andrewlalis/model/database/Database.java

@@ -100,49 +100,6 @@ public class Database {
         }
     }
 
-    /**
-     * Retrieves a list of preferred partners that each student has set.
-     * @param studentId The student id to search by.
-     * @return A list of student id's for all students that the given student wishes to be their partner.
-     */
-    private List<Integer> retrievePreferredPartners(int studentId) {
-        try {
-            logger.finest("Retrieving preferred partners of student: " + studentId);
-            String sql = "SELECT partner_id FROM student_preferred_partners WHERE student_id=?;";
-            PreparedStatement stmt = this.connection.prepareStatement(sql);
-            stmt.setInt(1, studentId);
-            ResultSet results = stmt.executeQuery();
-            List<Integer> partners = new ArrayList<>();
-            while (results.next()) {
-                partners.add(results.getInt(1));
-            }
-            return partners;
-        } catch (SQLException e) {
-            logger.severe("SQL Exception while retrieving preferred partners of student: " + studentId + '\n' + e.getMessage());
-            e.printStackTrace();
-            return new ArrayList<>();
-        }
-    }
-
-    /**
-     * Retrieves a student by their id.
-     * @param id The id of the student (student number)
-     * @return The student corresponding to this number, or null if it could not be found.
-     */
-    public Student retrieveStudent(int id) {
-        try {
-            String sql = "SELECT * FROM persons WHERE id=?";
-            PreparedStatement stmt = this.connection.prepareStatement(sql);
-            stmt.setInt(1, id);
-            ResultSet result = stmt.executeQuery();
-            return new Student(id, result.getString("name"), result.getString("email_address"), result.getString("github_username"), this.retrievePreferredPartners(id));
-        } catch (SQLException e) {
-            logger.severe("SQL Exception while retrieving Student.\n" + e.getMessage());
-            e.printStackTrace();
-            return null;
-        }
-    }
-
     /**
      * Stores a teaching assistant without a team.
      * @param ta The teaching assistant to store.
@@ -258,4 +215,47 @@ public class Database {
         }
     }
 
+    /**
+     * Retrieves a list of preferred partners that each student has set.
+     * @param studentId The student id to search by.
+     * @return A list of student id's for all students that the given student wishes to be their partner.
+     */
+    private List<Integer> retrievePreferredPartners(int studentId) {
+        try {
+            logger.finest("Retrieving preferred partners of student: " + studentId);
+            String sql = "SELECT partner_id FROM student_preferred_partners WHERE student_id=?;";
+            PreparedStatement stmt = this.connection.prepareStatement(sql);
+            stmt.setInt(1, studentId);
+            ResultSet results = stmt.executeQuery();
+            List<Integer> partners = new ArrayList<>();
+            while (results.next()) {
+                partners.add(results.getInt(1));
+            }
+            return partners;
+        } catch (SQLException e) {
+            logger.severe("SQL Exception while retrieving preferred partners of student: " + studentId + '\n' + e.getMessage());
+            e.printStackTrace();
+            return new ArrayList<>();
+        }
+    }
+
+    /**
+     * Retrieves a student by their id.
+     * @param id The id of the student (student number)
+     * @return The student corresponding to this number, or null if it could not be found.
+     */
+    public Student retrieveStudent(int id) {
+        try {
+            String sql = "SELECT * FROM persons WHERE id=?";
+            PreparedStatement stmt = this.connection.prepareStatement(sql);
+            stmt.setInt(1, id);
+            ResultSet result = stmt.executeQuery();
+            return new Student(id, result.getString("name"), result.getString("email_address"), result.getString("github_username"), this.retrievePreferredPartners(id));
+        } catch (SQLException e) {
+            logger.severe("SQL Exception while retrieving Student.\n" + e.getMessage());
+            e.printStackTrace();
+            return null;
+        }
+    }
+
 }

src/main/java/nl/andrewlalis/ui/control/command/executables/DefineTaTeams.java

@@ -0,0 +1,13 @@
+package nl.andrewlalis.ui.control.command.executables;
+
+import nl.andrewlalis.git_api.GithubManager;
+
+
+public class DefineTaTeams extends GithubExecutable {
+
+    @Override
+    protected boolean executeWithManager(GithubManager manager, String[] args) {
+        return false;
+    }
+
+}

src/main/java/nl/andrewlalis/ui/control/command/executables/ReadStudentsFileToDB.java

@@ -35,6 +35,9 @@ public class ReadStudentsFileToDB implements Executable {
         String filename = args[0];
         int teamSize = Integer.parseUnsignedInt(args[1]);
         List<StudentTeam> teams = FileUtils.getStudentTeamsFromCSV(filename, teamSize);
+        if (teams == null) {
+            return false;
+        }
         return this.db.storeStudentTeams(teams);
     }
 }

src/main/java/nl/andrewlalis/ui/control/listeners/DefineTaTeamsListener.java

@@ -0,0 +1,18 @@
+package nl.andrewlalis.ui.control.listeners;
+
+import nl.andrewlalis.ui.control.command.CommandExecutor;
+import nl.andrewlalis.ui.view.InitializerApp;
+
+import java.awt.event.ActionEvent;
+
+public class DefineTaTeamsListener extends ExecutableListener {
+
+    public DefineTaTeamsListener(CommandExecutor executor, InitializerApp app) {
+        super(executor, app);
+    }
+
+    @Override
+    public void actionPerformed(ActionEvent actionEvent) {
+
+    }
+}

src/main/java/nl/andrewlalis/ui/view/InitializerApp.java

@@ -35,9 +35,6 @@ public class InitializerApp extends JFrame {
 
     private JTextField organizationField = new JTextField();
     private JTextField accessTokenField = new JTextField();
-    private JTextField assignmentsRepoField = new JTextField();
-    private JTextField teachingAssistantsField = new JTextField();
-    private JTextField studentRepoField = new JTextField();
 
     /**
      * The executor responsible for performing meaningful actions.
@@ -103,12 +100,6 @@ public class InitializerApp extends JFrame {
         this.organizationField.setText("InitializerTesting");
         infoInputPanel.add(generateTextFieldPanel("Access Token", this.accessTokenField));
         this.accessTokenField.setText("haha get your own");
-        infoInputPanel.add(generateTextFieldPanel("Assignments Repo Name", this.assignmentsRepoField));
-        this.assignmentsRepoField.setText("assignments_2018");
-        infoInputPanel.add(generateTextFieldPanel("TA-All Team Name", this.teachingAssistantsField));
-        this.teachingAssistantsField.setText("teaching-assistants");
-        infoInputPanel.add(generateTextFieldPanel("Student Repo Prefix", this.studentRepoField));
-        this.studentRepoField.setText("advoop_2018");
 
         githubManagerPanel.add(infoInputPanel, BorderLayout.NORTH);
 
@@ -128,6 +119,9 @@ public class InitializerApp extends JFrame {
         generateAssignmentsRepoButton.addActionListener(new GenerateAssignmentsRepoListener(this.executor, this));
         commonActionsPanel.add(generateAssignmentsRepoButton);
 
+        JButton defineTaTeamsButton = new JButton("Define TA Teams");
+        commonActionsPanel.add(defineTaTeamsButton);
+
         githubManagerPanel.add(commonActionsPanel, BorderLayout.CENTER);
 
         return githubManagerPanel;

src/main/java/nl/andrewlalis/util/FileUtils.java

@@ -54,7 +54,6 @@ public class FileUtils {
             return studentTeams;
         } catch (IOException | ArrayIndexOutOfBoundsException e) {
             logger.severe("Unable to generate studentTeams from CSV file, exiting. " + e.getMessage());
-            System.exit(1);
             return null;
         }
     }