What is LiteSignIn ?

This is a plug-in for recording player check-in data, and rewards players for check-in. The content of the reward can be completely customized, it can trigger commands, message prompts, item rewards, etc. when signing in. It supports GUI mode, just like a calendar, it is very simple to use.

Dependencies

Minecraft 1.7.10 - 26.2 (or latest version)
Runtime environment for Java8 or above.
PlaceholderAPI (Optional)

Current Features

Remind to sign in after joining the game
Sign in using command
Have a GUI like a calendar
Support viewing history sign-in records
Multi-language support
Sign in reward function
Sign in reward task sequence
Support multiple reward modes such as rewards for continuous check-in, total rewards for check-in, rewards for check-in on a specified date, etc.
Sign in leaderboard.
Sign-in reminder at join (or automatic sign-in)
Give sign-in rewards directly (use /signin reward)
Support PlaceholderAPI
Support MySQL storage
Support SQLite storage
Support the use of retroactive cards for re sign-in
Support multiple permission groups, users in different groups will enjoy different rewards
Support sign-in ranking function
Database backup
Database rollback(Need to use with backup function)
All permission nodes, Messages, and GUI settings can be customized (But you have to remember that this is not a custom menu plugin)
Wooden sign scripts
Folia support
And more...

Commands

Command	Function
/signin help	View command help.
/signin reload	Reload configuration files.
/signin gui [month]	Open the Sign In GUI menu.
/signin click [Date or playerName] [playerName]	Sign in now, or sign in for historical date.
/signin save	Save data for all online players.
/signin leaderboard [Date] [Page]	View the sign-in leaderboard for today or a specified date.
/signin database [backup/rollback/confirm]	Database managements
/signin info [playerName]	View player's information.
/signin itemcollection	Collection of management items.
/signin reward	Directly give the player a sign-in reward.

PlaceholderAPI's placeholders

Placeholder	Action
%litesignin_signed-in%	Did you sign in today?
%litesignin_group%	Return the player's group.
%litesignin_cards_amount%	Return number of retroactive cards.
%litesignin_statistics%	Return the cumulative numbers of user sign in.
%litesignin_continuous%	Return the number of continuous sign in.
%litesignin_statistics_of_month%	Return the cumulative numbers of user sign in of this month.
%litesignin_continuous_of_month%	Return the number of continuous sign in of this month.
%litesignin_last_year%	Returns the year of the latest sign-in.
%litesignin_last_month%	Returns the month of the latest sign-in.
%litesignin_last_day%	Returns the day of the latest sign-in.
%litesignin_last_hour%	Returns the hour of the latest sign-in.
%litesignin_last_minute%	Returns the minute of the latest sign-in.
%litesignin_last_second%	Returns the second of the latest sign-in.

Another placeholders:
%litesignin_random_[minimum]_[maximum]% Returns a random value within a specified range of numbers. (This is a placeholder for a gadget type.)