Added reminders (in a new table for now)

src/main/java/com/alttd/buttonManager/ButtonManager.java

@@ -1,5 +1,7 @@
 package com.alttd.buttonManager;
 
+import com.alttd.buttonManager.buttons.remindMeConfirm.ButtonRemindMeCancel;
+import com.alttd.buttonManager.buttons.remindMeConfirm.ButtonRemindMeConfirm;
 import com.alttd.buttonManager.buttons.suggestionReview.ButtonSuggestionReviewAccept;
 import com.alttd.buttonManager.buttons.suggestionReview.ButtonSuggestionReviewDeny;
 import com.alttd.util.Util;
@@ -22,7 +24,9 @@ public class ButtonManager extends ListenerAdapter {
     public ButtonManager() {
         buttons = List.of(
                 new ButtonSuggestionReviewAccept(),
-                new ButtonSuggestionReviewDeny());
+                new ButtonSuggestionReviewDeny(),
+                new ButtonRemindMeCancel(),
+                new ButtonRemindMeConfirm());
     }
 
     @Override

src/main/java/com/alttd/buttonManager/buttons/remindMeConfirm/ButtonRemindMeCancel.java

@@ -0,0 +1,25 @@
+package com.alttd.buttonManager.buttons.remindMeConfirm;
+
+import com.alttd.buttonManager.DiscordButton;
+import com.alttd.util.Util;
+import net.dv8tion.jda.api.events.interaction.component.ButtonInteractionEvent;
+import net.dv8tion.jda.api.interactions.components.buttons.Button;
+
+public class ButtonRemindMeCancel extends DiscordButton {
+    @Override
+    public String getButtonId() {
+        return "remind_me_cancel";
+    }
+
+    @Override
+    public void execute(ButtonInteractionEvent event) {
+        ButtonRemindMeConfirm.removeReminder(event.getUser().getIdLong());
+        event.replyEmbeds(Util.genericSuccessEmbed("Success", "Cancelled your reminder!"))
+                .setEphemeral(true).queue();
+    }
+
+    @Override
+    public Button getButton() {
+        return Button.danger(getButtonId(), "Cancel");
+    }
+}

src/main/java/com/alttd/buttonManager/buttons/remindMeConfirm/ButtonRemindMeConfirm.java

@@ -0,0 +1,81 @@
+package com.alttd.buttonManager.buttons.remindMeConfirm;
+
+import com.alttd.buttonManager.DiscordButton;
+import com.alttd.database.queries.QueriesReminders.QueriesReminders;
+import com.alttd.database.queries.QueriesReminders.Reminder;
+import com.alttd.reminders.ReminderScheduler;
+import com.alttd.util.Util;
+import net.dv8tion.jda.api.events.interaction.component.ButtonInteractionEvent;
+import net.dv8tion.jda.api.interactions.components.buttons.Button;
+
+import java.util.HashMap;
+
+public class ButtonRemindMeConfirm extends DiscordButton {
+
+    private static final HashMap<Long, Reminder> unconfirmedReminders = new HashMap<>();
+
+    public static synchronized void putReminder(long id, Reminder reminder) {
+        unconfirmedReminders.put(id, reminder);
+    }
+
+    public static synchronized Reminder removeReminder(long id) {
+        return unconfirmedReminders.get(id);
+    }
+
+    @Override
+    public String getButtonId() {
+        return "remind_me_confirm";
+    }
+
+    @Override
+    public void execute(ButtonInteractionEvent event) {
+        Reminder reminder = removeReminder(event.getUser().getIdLong());
+
+        if (storeReminder(reminder, event)) {
+            event.replyEmbeds(Util.genericSuccessEmbed("Success", "Your reminder was successfully created!"))
+                    .setEphemeral(true).queue();
+        }
+    }
+
+    private boolean storeReminder(Reminder reminder, ButtonInteractionEvent event) {
+        if (reminder == null) {
+            event.replyEmbeds(Util.genericErrorEmbed("Error", "Unable to retrieve reminder data for this button"))
+                    .setEphemeral(true).queue();
+            return false;
+        }
+        int id = QueriesReminders.storeReminder(reminder);
+        if (id == 0) {
+            event.replyEmbeds(Util.genericErrorEmbed("Error", "Unable to store reminder in the database"))
+                    .setEphemeral(true).queue();
+            return false;
+        }
+
+        reminder = new Reminder(
+                id,
+                reminder.title(),
+                reminder.description(),
+                reminder.userId(),
+                reminder.guildId(),
+                reminder.channelId(),
+                reminder.messageId(),
+                reminder.shouldRepeat(),
+                reminder.creationDate(),
+                reminder.remindDate());
+
+        ReminderScheduler instance = ReminderScheduler.getInstance(event.getJDA());
+        if (instance == null) {
+            QueriesReminders.removeReminder(reminder.id());
+            event.replyEmbeds(Util.genericErrorEmbed("Error", "Unable to start reminder, removing it from the database..."))
+                    .setEphemeral(true).queue();
+            return false;
+        }
+
+        instance.addReminder(reminder);
+        return true;
+    }
+
+    @Override
+    public Button getButton() {
+        return Button.success(getButtonId(), "Confirm");
+    }
+}