Logic.java

package seedu.address.logic;

import java.nio.file.Path;

import javafx.collections.ObservableList;
import seedu.address.commons.core.GuiSettings;
import seedu.address.logic.commands.CommandResult;
import seedu.address.logic.commands.exceptions.CommandException;
import seedu.address.logic.parser.exceptions.ParseException;
import seedu.address.model.ReadOnlyModulePlanner;
import seedu.address.model.studyplan.StudyPlan;

/**
 * API of the Logic component
 */
public interface Logic {
    /**
     * Executes the command and returns the result.
     *
     * @param commandText The command as entered by the user.
     * @return the result of the command execution.
     * @throws CommandException If an error occurs during command execution.
     * @throws ParseException   If an error occurs during parsing.
     */
    CommandResult execute(String commandText) throws CommandException, ParseException;

    /**
     * Returns the ModulePlanner.
     *
     * @see seedu.address.model.Model#getModulePlanner()
     */
    ReadOnlyModulePlanner getModulePlanner();

    /**
     * Returns the current active StudyPlan.
     */
    StudyPlan getActiveStudyPlan();

    /**
     * Returns an unmodifiable view of the filtered list of study plans
     */
    ObservableList<StudyPlan> getFilteredStudyPlanList();

    /**
     * Returns the user prefs' module planner file path.
     */
    Path getModulePlannerFilePath();

    /**
     * Returns the user prefs' GUI settings.
     */
    GuiSettings getGuiSettings();

    /**
     * Set the user prefs' GUI settings.
     */
    void setGuiSettings(GuiSettings guiSettings);
}