FlameInTheDark /
dtbot
| Conditions | 10 |
| Total Lines | 65 |
| Code Lines | 55 |
| Lines | 0 |
| Ratio | 0 % |
| Changes | 0 | ||
Small methods make your code easier to understand, in particular if combined with a good name. Besides, if your method is small, finding a good name is usually much easier.
For example, if you find yourself adding comments to a method's body, this is usually a good sign to extract the commented part to a new method, and use the comment as a starting point when coming up with a good name for this new method.
Commonly applied refactorings include:
If many parameters/temporary variables are present:
Complex classes like main.commandHandler often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
| 1 | package main |
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| 84 | func commandHandler(discord *discordgo.Session, message *discordgo.MessageCreate) { |
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| 85 | messagesCounter++ |
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| 86 | user := message.Author |
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| 87 | if user.ID == botId || user.Bot { |
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| 88 | return |
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| 89 | } |
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| 90 | args := strings.Split(message.Content, " ") |
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| 91 | name := strings.ToLower(args[0]) |
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| 92 | command, found := CmdHandler.Get(name) |
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| 93 | if !found { |
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| 94 | return |
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| 95 | } |
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| 96 | |||
| 97 | var permission = true |
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| 98 | var msg string |
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| 99 | // Checking permissions |
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| 100 | perm, err := discord.State.UserChannelPermissions(botId, message.ChannelID) |
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| 101 | if err != nil { |
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| 102 | msg = fmt.Sprintf("Error whilst getting bot permissions %v\n", err) |
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| 103 | permission = false |
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| 104 | } else { |
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| 105 | if perm&discordgo.PermissionSendMessages != discordgo.PermissionSendMessages || |
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| 106 | perm&discordgo.PermissionAttachFiles != discordgo.PermissionAttachFiles { |
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| 107 | msg = "Permissions denied" |
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| 108 | permission = false |
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| 109 | } |
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| 110 | } |
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| 111 | |||
| 112 | channel, err := discord.State.Channel(message.ChannelID) |
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| 113 | if err != nil { |
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| 114 | fmt.Println("Error getting channel,", err) |
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| 115 | return |
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| 116 | } |
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| 117 | guild, err := discord.State.Guild(channel.GuildID) |
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| 118 | if err != nil { |
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| 119 | fmt.Println("Error getting guild,", err) |
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| 120 | return |
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| 121 | } |
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| 122 | |||
| 123 | if permission { |
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| 124 | ctx := bot.NewContext( |
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| 125 | botId, |
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| 126 | discord, |
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| 127 | guild, |
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| 128 | channel, |
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| 129 | user, |
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| 130 | message, |
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| 131 | conf, |
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| 132 | CmdHandler, |
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| 133 | Sessions, |
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| 134 | youtube, |
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| 135 | botMsg, |
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| 136 | dataType, |
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| 137 | dbWorker, |
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| 138 | guilds, |
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| 139 | botCron) |
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| 140 | ctx.Args = args[1:] |
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| 141 | c := *command |
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| 142 | c(*ctx) |
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| 143 | } else { |
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| 144 | dbWorker.Log("Message", guild.ID, msg) |
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| 145 | query := []byte(fmt.Sprintf("logs,server=%v module=\"%v\"", guild.ID, "message")) |
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| 146 | addr := fmt.Sprintf("%v/write?db=%v", conf.Metrics.Address, conf.Metrics.Database) |
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| 147 | r := bytes.NewReader(query) |
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| 148 | _, _ = http.Post(addr, "", r) |
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| 149 | } |
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| 195 | } |
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