Added sessiongraph

[Vatten]

No description provided.

[Owen1212055]

  
    @Override
    public String getName() {
        return "sessiongraph";
    }
    
    @Override
    public String[] getAliases() {
        return new String[]{"sessiongraph"};
    }
    
    @Override
    public HelpContext getHelpContext() {
        return new HelpContext()
                .description("Generates a graph of all sessions done in a specific day.")
                .category(CommandCategory.SUPPORT)
                .addArgument(
                        new HelpContextArgument()
                                .name("date")
                                .optional()
                );
    }
    
    @Override
    public ArgumentSet compileArguments() {
        return new ArgumentSet()
                .addArgument("date",
                        new SingleArgumentContainer<>(new DateArgument()).optional(null));
        
    }
    
    @Override
    public Permission getPermission() {
        return Permission.USER;
    }
    
    @Override
    public void run(CommandEvent event) {
        Date date;
        if (event.getArgument("date") == null) {
            date = Date.from(Instant.now());
        } else {
            date = event.getArgument("date");
        }
        
        java.sql.Date sqlDate = DateUtil.toSqlDate(date);
        
        new DatabaseQuery()
                .query(new BasicQuery("SELECT hour(time) AS time, COUNT(*) AS count\n" +
                        "FROM hypercube.support_sessions\n" +
                        "WHERE DATE(time) = ?\n" +
                        "GROUP BY hour(time)\n" +
                        "ORDER BY time",
                        (statement) -> {
                            statement.setDate(1, sqlDate);
                        })
                )
                .compile()
                .run((query) -> {
                    Map<GraphableEntry<?>, Integer> dates = new LinkedHashMap<>();
                    ResultSet set = query.getResult();
                    
                    for (int i = 0; i < 25; i++) {
                        boolean end = set.next();
                        String timedisplay = i + "";
                        if (i < 10) {
                            timedisplay = "0" + timedisplay;
                        }
                        dates.put(new StringEntry(timedisplay + ":00"), !end ? 0 : set.getInt("count"));
                    }
                    
                    event.getChannel().sendFile(new ChartGraphBuilder()
                            .setGraphName(String.format("Total sessions on %s", date))
                            .createGraph(dates)).queue();
                    
                });
        
    }

I updated and fixed your query and made the argument optional. I recommend naming it like dailysessions.

Also, you don't need to include it in aliases AND the main command name.