added error message logging to reaction post execution

added validation to post target command
added templates for post target command
moved ping and echo model to interface
added show emote command

abstracto-application/abstracto-modules/utility/utility-impl/src/main/java/dev/sheldan/abstracto/utility/command/ShowEmote.java

@@ -0,0 +1,53 @@
+package dev.sheldan.abstracto.utility.command;
+
+import dev.sheldan.abstracto.command.Command;
+import dev.sheldan.abstracto.command.HelpInfo;
+import dev.sheldan.abstracto.command.execution.*;
+import dev.sheldan.abstracto.templating.TemplateService;
+import dev.sheldan.abstracto.utility.Utility;
+import dev.sheldan.abstracto.utility.models.template.ShowEmoteLog;
+import net.dv8tion.jda.api.entities.Emote;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+
+import java.util.ArrayList;
+import java.util.List;
+
+@Component
+public class ShowEmote implements Command {
+
+    private static final String SHOW_EMOTE_RESPONSE_TEMPLATE = "showEmote_response";
+
+    @Autowired
+    private TemplateService templateService;
+
+    @Override
+    public Result execute(CommandContext commandContext) {
+        List<Object> parameters = commandContext.getParameters().getParameters();
+        Object emoteParameter = parameters.get(0);
+        if(!(emoteParameter instanceof Emote)) {
+            return Result.fromError("No custom emote found.");
+        }
+        Emote emote = (Emote) emoteParameter;
+        ShowEmoteLog emoteLog = (ShowEmoteLog) ContextConverter.fromCommandContext(commandContext, ShowEmoteLog.class);
+        emoteLog.setEmote(emote);
+        String message = templateService.renderTemplate(SHOW_EMOTE_RESPONSE_TEMPLATE, emoteLog);
+        commandContext.getChannel().sendMessage(message).queue();
+        return Result.fromSuccess();
+    }
+
+    @Override
+    public CommandConfiguration getConfiguration() {
+        List<Parameter> parameters = new ArrayList<>();
+        parameters.add(Parameter.builder().name("emote").type(Emote.class).optional(false).build());
+        HelpInfo helpInfo = HelpInfo.builder().templated(true).build();
+        return CommandConfiguration.builder()
+                .name("showEmote")
+                .module(Utility.UTILITY)
+                .templated(true)
+                .causesReaction(false)
+                .parameters(parameters)
+                .help(helpInfo)
+                .build();
+    }
+}

abstracto-application/abstracto-modules/utility/utility-impl/src/main/resources/templates/commands/showEmote/showEmote_description_en_US.ftl

@@ -0,0 +1 @@
+Retrieves the URL to the given emote.

abstracto-application/abstracto-modules/utility/utility-impl/src/main/resources/templates/commands/showEmote/showEmote_long_help_en_US.ftl

@@ -0,0 +1 @@
+Shows the URL and the name of the given emote.

abstracto-application/abstracto-modules/utility/utility-impl/src/main/resources/templates/commands/showEmote/showEmote_response_en_US.ftl

@@ -0,0 +1 @@
+**Name**: ${emote.name} **Link**: ${emote.imageUrl}

abstracto-application/abstracto-modules/utility/utility-impl/src/main/resources/templates/commands/showEmote/showEmote_usage_en_US.ftl

@@ -0,0 +1 @@
+showEmote <emote>