Minor cleanups

src/main/kotlin/net/thauvin/erik/mobibot/Constants.kt

@@ -76,7 +76,7 @@ object Constants {
     const val NO_TITLE = "No Title"
 
     /**
-     * Properties command line argument.
+     * `Properties` command line argument.
      */
     const val PROPS_ARG = "properties"
 

src/main/kotlin/net/thauvin/erik/mobibot/commands/links/Comment.kt

@@ -43,8 +43,8 @@ import net.thauvin.erik.mobibot.entries.EntryLink
 import org.pircbotx.hooks.types.GenericMessageEvent
 
 /**
- * Processes commands such as viewing, deleting, editing, or changing the author of a comment
- * based on the input arguments and the state of the entries.
+ * Processes commands such as viewing, deleting, editing, or changing the author of a comment based on the input
+ * arguments and the state of the entries.
  */
 class Comment : AbstractCommand() {
     override val name = COMMAND

src/main/kotlin/net/thauvin/erik/mobibot/commands/seen/NickComparator.kt

@@ -42,6 +42,7 @@ class NickComparator : Comparator<String>, Serializable {
     }
 
     companion object {
+        @Suppress("unused")
         private const val serialVersionUID = 1L
     }
 }

src/main/kotlin/net/thauvin/erik/mobibot/commands/seen/SeenNick.kt

@@ -38,6 +38,7 @@ import java.io.Serializable
  */
 data class SeenNick(val nick: String, val lastSeen: Long) : Serializable {
     companion object {
+        @Suppress("unused")
         private const val serialVersionUID = 1L
     }
 }

src/main/kotlin/net/thauvin/erik/mobibot/commands/tell/Tell.kt

@@ -284,7 +284,7 @@ class Tell(private val serialObject: String) : AbstractCommand() {
         // Arrow
         private const val ARROW = " --> "
 
-        // All keyword
+        // The `all` keyword
         private const val TELL_ALL_KEYWORD = "all"
 
         // The delete command.

src/main/kotlin/net/thauvin/erik/mobibot/commands/tell/TellMessage.kt

@@ -98,6 +98,7 @@ class TellMessage(
     }
 
     companion object {
+        @Suppress("unused")
         private const val serialVersionUID = 2L
     }
 }

src/main/kotlin/net/thauvin/erik/mobibot/entries/EntriesUtils.kt

@@ -69,14 +69,14 @@ object EntriesUtils {
     }
 
     /**
-     * Prints an entry's tags/categories for display on the channel. e.g. L1T: tag1, tag2
+     * Prints an entry's tags/categories for display on the channel. (e.g., L1T: tag1, tag2)
      */
     @JvmStatic
     fun printTags(entryIndex: Int, entry: EntryLink): String =
         entryIndex.toLinkLabel() + "${Constants.TAG_CMD}: " + entry.formatTags(", ")
 
     /**
-     * Builds link label based on its index. e.g: L1
+     * Builds link label based on its index. (e.g., L1)
      */
     @JvmStatic
     fun Int.toLinkLabel(): String = Constants.LINK_CMD + (this + 1)

src/main/kotlin/net/thauvin/erik/mobibot/entries/EntryComment.kt

@@ -45,7 +45,7 @@ data class EntryComment(var comment: String, var nick: String) : Serializable {
     override fun toString(): String = "EntryComment{comment='$comment', date=$date, nick='$nick'}"
 
     companion object {
-        // Serial version UID
-        private const val serialVersionUID: Long = 1L
+        @Suppress("unused")
+        private const val serialVersionUID = 1L
     }
 }

src/main/kotlin/net/thauvin/erik/mobibot/entries/EntryLink.kt

@@ -93,8 +93,8 @@ class EntryLink(
     }
 
     companion object {
-        // Serial version UID
-        private const val serialVersionUID: Long = 1L
+        @Suppress("unused")
+        private const val serialVersionUID = 1L
     }
 
     /**

src/main/kotlin/net/thauvin/erik/mobibot/modules/Calc.kt

@@ -52,7 +52,7 @@ class Calc : AbstractModule() {
         private const val CALC_CMD = "calc"
 
         /**
-         * Performs a calculation. e.g.: 1 + 1 * 2
+         * Performs a calculation (e.g.: 1 + 1 * 2)
          */
         @JvmStatic
         @Throws(IllegalArgumentException::class)

src/main/kotlin/net/thauvin/erik/mobibot/modules/ChatGpt2.kt

@@ -59,7 +59,7 @@ class ChatGpt2 : AbstractModule() {
         const val API_KEY_PROP = "chatgpt-api-key"
 
         /**
-         * The max tokens property.
+         * The max-tokens property.
          */
         const val MAX_TOKENS_PROP = "chatgpt-max-tokens"
 

src/main/kotlin/net/thauvin/erik/mobibot/modules/CurrencyConverter.kt

@@ -53,8 +53,6 @@ import java.util.*
  * Converts between currencies.
  */
 class CurrencyConverter : AbstractModule() {
-    private val logger: Logger = LoggerFactory.getLogger(CurrencyConverter::class.java)
-
     override val name = "CurrencyConverter"
 
     companion object {
@@ -69,15 +67,18 @@ class CurrencyConverter : AbstractModule() {
         // Currency codes keyword
         private const val CODES_KEYWORD = "codes"
 
+        // Decimal format
+        private val DECIMAL_FORMAT = DecimalFormat("0.00#")
+
         // Empty symbols table.
         private const val EMPTY_SYMBOLS_TABLE = "Sorry, but the currency table is empty."
 
+        // Logger
+        private val LOGGER: Logger = LoggerFactory.getLogger(CurrencyConverter::class.java)
+
         // Currency symbols
         private val SYMBOLS: TreeMap<String, String> = TreeMap()
 
-        // Decimal format
-        private val DECIMAL_FORMAT = DecimalFormat("0.00#")
-
         /**
          * Converts from a currency to another.
          */
@@ -109,7 +110,10 @@ class CurrencyConverter : AbstractModule() {
                             } else {
                                 ErrorMessage("Sorry, an error occurred while converting the currencies.")
                             }
-                        } catch (ignore: IOException) {
+                        } catch (ioe: IOException) {
+                            if (LOGGER.isWarnEnabled) {
+                                LOGGER.warn("IO error while converting currencies: ${ioe.message}", ioe)
+                            }
                             ErrorMessage("Sorry, an IO error occurred while converting the currencies.")
                         }
                     } else {
@@ -161,7 +165,7 @@ class CurrencyConverter : AbstractModule() {
             try {
                 loadSymbols(apiKey)
             } catch (e: ModuleException) {
-                if (logger.isWarnEnabled) logger.warn(e.debugMessage, e)
+                if (LOGGER.isWarnEnabled) LOGGER.warn(e.debugMessage, e)
             }
         }
     }

src/main/kotlin/net/thauvin/erik/mobibot/modules/ModuleException.kt

@@ -36,6 +36,7 @@ class ModuleException @JvmOverloads constructor(
     cause: Throwable? = null
 ) : Exception(message, cause) {
     companion object {
+        @Suppress("unused")
         private const val serialVersionUID = 1L
     }
 }

src/main/kotlin/net/thauvin/erik/mobibot/modules/WolframAlpha.kt

@@ -65,7 +65,7 @@ class WolframAlpha : AbstractModule() {
         private const val WOLFRAM_CMD = "wolfram"
 
         // Wolfram Alpha API URL
-        private const val API_URL = "http://api.wolframalpha.com/v1/spoken?appid="
+        private const val API_URL = "https://api.wolframalpha.com/v1/spoken?appid="
 
         @JvmStatic
         @Throws(ModuleException::class)

src/main/kotlin/net/thauvin/erik/mobibot/modules/WorldTime.kt

@@ -328,7 +328,7 @@ class WorldTime : AbstractModule() {
         // The Time command
         private const val TIME_CMD = "time"
 
-        // The zones arguments
+        // The `zones` arguments
         private const val ZONES_ARGS = "zones"
 
         // The default zone

src/main/kotlin/net/thauvin/erik/mobibot/social/SocialModule.kt

@@ -41,8 +41,7 @@ import org.slf4j.Logger
 import org.slf4j.LoggerFactory
 
 /**
- * Provides the ability to handle notifications, post entries and manage interaction with a specific social media
- * service.
+ * Provides the ability to handle notifications, entries and manage interaction with a specific social media service.
  */
 abstract class SocialModule : AbstractModule() {
     private val logger: Logger = LoggerFactory.getLogger(SocialManager::class.java)
@@ -69,7 +68,7 @@ abstract class SocialModule : AbstractModule() {
     abstract fun post(message: String, isDm: Boolean): String
 
     /**
-     * Post entry to social media.
+     * Post an entry to social media.
      */
     fun postEntry(index: Int) {
         if (isAutoPost && LinksManager.entries.links.size >= index) {