migrated some exceptions to use templates

fixed missed hard coded value in template
fixed listing of channels in channel groups
fixed template loading

abstracto-application/abstracto-modules/experience-tracking/experience-tracking-impl/src/main/java/dev/sheldan/abstracto/experience/commands/SetExpRole.java

@@ -7,7 +7,7 @@ import dev.sheldan.abstracto.core.command.config.Parameter;
 import dev.sheldan.abstracto.core.command.execution.CommandContext;
 import dev.sheldan.abstracto.core.command.execution.CommandResult;
 import dev.sheldan.abstracto.core.config.FeatureEnum;
-import dev.sheldan.abstracto.core.exception.RoleException;
+import dev.sheldan.abstracto.core.exception.RoleNotFoundInGuildException;
 import dev.sheldan.abstracto.core.models.database.ARole;
 import dev.sheldan.abstracto.core.models.database.AServer;
 import dev.sheldan.abstracto.core.service.RoleService;
@@ -45,7 +45,7 @@ public class SetExpRole extends AbstractConditionableCommand {
             ARole role = roleOpt.get();
             AServer server = commandContext.getUserInitiatedContext().getServer();
             if(!roleService.isRoleInServer(role)) {
-                throw new RoleException("Role not found.");
+                throw new RoleNotFoundInGuildException(role.getId(), server.getId());
             }
             log.info("Setting role  {} to be used for level {} on server {}", roleId, level, server.getId());
             experienceRoleService.setRoleToLevel(role, level, server, commandContext.getUserInitiatedContext().getChannel());

abstracto-application/abstracto-modules/moderation/moderation-impl/src/main/resources/templates/scheduler/warnDecay/warn_decay_log_embed_en_US.ftl

@@ -1,6 +1,6 @@
 {
   "title": {
-    "title": "Warnings have been decayed"
+    "title": "<#include "warnDecay_title">"
   },
   "color" : {
     "r": 200,

abstracto-application/abstracto-modules/modmail/modmail-impl/src/main/java/dev/sheldan/abstracto/modmail/service/ModMailThreadServiceBean.java

@@ -3,7 +3,7 @@ package dev.sheldan.abstracto.modmail.service;
 import com.jagrosh.jdautilities.commons.waiter.EventWaiter;
 import com.jagrosh.jdautilities.menu.ButtonMenu;
 import dev.sheldan.abstracto.core.exception.AbstractoRunTimeException;
-import dev.sheldan.abstracto.core.exception.PostTargetException;
+import dev.sheldan.abstracto.core.exception.PostTargetNotValidException;
 import dev.sheldan.abstracto.core.models.FullGuild;
 import dev.sheldan.abstracto.core.models.FullUser;
 import dev.sheldan.abstracto.core.models.UndoActionInstance;
@@ -398,7 +398,7 @@ public class ModMailThreadServiceBean implements ModMailThreadService {
                             log.error("Failed to log messages for mod mail thread {}.", modMailThreadId, innerThrowable);
                             return null;
                         });
-                    } catch (PostTargetException po) {
+                    } catch (PostTargetNotValidException po) {
                         log.error("Failed to log mod mail messages", po);
                         sendModMailFailure("modmail_exception_post_target_not_defined", innerModMailThread.getUser(), modMailThreadId, feedBack, po);
                     } catch (Exception e) {

abstracto-application/core/core-impl/src/main/java/dev/sheldan/abstracto/core/service/ChannelGroupServiceBean.java

@@ -1,6 +1,6 @@
 package dev.sheldan.abstracto.core.service;
 
-import dev.sheldan.abstracto.core.command.exception.ChannelGroupException;
+import dev.sheldan.abstracto.core.command.exception.ChannelGroupNotFoundException;
 import dev.sheldan.abstracto.core.command.exception.CommandException;
 import dev.sheldan.abstracto.core.command.models.database.ACommand;
 import dev.sheldan.abstracto.core.command.service.management.ChannelGroupCommandManagementService;
@@ -68,7 +68,7 @@ public class ChannelGroupServiceBean implements ChannelGroupService {
         AServer server = serverManagementService.loadOrCreate(channel.getServer().getId());
         AChannelGroup channelGroup = channelGroupManagementService.findByNameAndServer(channelGroupName, server);
         if(channelGroup == null) {
-            throw new ChannelGroupException(String.format(CHANNEL_GROUP_NOT_FOUND, channelGroupName));
+            throw new ChannelGroupNotFoundException(channelGroupName, channelGroupManagementService.getAllAvailableAsString(server));
         }
         channelGroupManagementService.addChannelToChannelGroup(channelGroup, channel);
     }
@@ -90,7 +90,7 @@ public class ChannelGroupServiceBean implements ChannelGroupService {
         AServer server = serverManagementService.loadOrCreate(channel.getServer().getId());
         AChannelGroup channelGroup = channelGroupManagementService.findByNameAndServer(channelGroupName, server);
         if(channelGroup == null) {
-            throw new ChannelGroupException(String.format(CHANNEL_GROUP_NOT_FOUND, channelGroupName));
+            throw new ChannelGroupNotFoundException(channelGroupName, channelGroupManagementService.getAllAvailableAsString(server));
         }
         channelGroupManagementService.removeChannelFromChannelGroup(channelGroup, channel);
     }
@@ -100,7 +100,7 @@ public class ChannelGroupServiceBean implements ChannelGroupService {
         AServer server = serverManagementService.loadOrCreate(serverId);
         AChannelGroup channelGroup = channelGroupManagementService.findByNameAndServer(channelGroupName, server);
         if(channelGroup == null) {
-            throw new ChannelGroupException(String.format(CHANNEL_GROUP_NOT_FOUND, channelGroupName));
+            throw new ChannelGroupNotFoundException(channelGroupName, channelGroupManagementService.getAllAvailableAsString(server));
         }
         ACommand command = commandManagementService.findCommandByName(commandName);
         if(command == null) {
@@ -114,7 +114,7 @@ public class ChannelGroupServiceBean implements ChannelGroupService {
         AServer server = serverManagementService.loadOrCreate(serverId);
         AChannelGroup channelGroup = channelGroupManagementService.findByNameAndServer(channelGroupName, server);
         if(channelGroup == null) {
-            throw new ChannelGroupException(String.format(CHANNEL_GROUP_NOT_FOUND, channelGroupName));
+            throw new ChannelGroupNotFoundException(channelGroupName, channelGroupManagementService.getAllAvailableAsString(server));
         }
         ACommand command = commandManagementService.findCommandByName(commandName);
         if(command == null) {

abstracto-application/core/core-impl/src/main/java/dev/sheldan/abstracto/core/service/ConfigServiceBean.java

@@ -1,6 +1,6 @@
 package dev.sheldan.abstracto.core.service;
 
-import dev.sheldan.abstracto.core.exception.ConfigurationException;
+import dev.sheldan.abstracto.core.exception.ConfigurationKeyNotFoundException;
 import dev.sheldan.abstracto.core.service.management.ConfigManagementService;
 import dev.sheldan.abstracto.core.models.database.AConfig;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -54,7 +54,7 @@ public class ConfigServiceBean implements ConfigService{
         if(configManagementService.configExists(serverId, name)) {
             configManagementService.setDoubleValue(serverId, name, value);
         } else {
-            throw new ConfigurationException(String.format("Key %s does not exist.", name));
+            throw new ConfigurationKeyNotFoundException(name);
         }
     }
 
@@ -63,7 +63,7 @@ public class ConfigServiceBean implements ConfigService{
         if(configManagementService.configExists(serverId, name)) {
             configManagementService.setLongValue(serverId, name, value);
         } else {
-            throw new ConfigurationException(String.format("Key %s does not exist.", name));
+            throw new ConfigurationKeyNotFoundException(name);
         }
     }
 
@@ -79,7 +79,7 @@ public class ConfigServiceBean implements ConfigService{
                 setStringValue(name, serverId, value);
             }
         } else {
-            throw new ConfigurationException(String.format("Key %s does not exist.", name));
+            throw new ConfigurationKeyNotFoundException(name);
         }
 
     }
@@ -89,7 +89,7 @@ public class ConfigServiceBean implements ConfigService{
         if(configManagementService.configExists(serverId, name)) {
             configManagementService.setStringValue(serverId, name, value);
         } else {
-            throw new ConfigurationException(String.format("Key %s does not exist.", name));
+            throw new ConfigurationKeyNotFoundException(name);
         }
     }
 }

abstracto-application/core/core-impl/src/main/java/dev/sheldan/abstracto/core/service/EmoteServiceBean.java

@@ -1,7 +1,7 @@
 package dev.sheldan.abstracto.core.service;
 
 import dev.sheldan.abstracto.core.config.DynamicKeyLoader;
-import dev.sheldan.abstracto.core.exception.EmoteException;
+import dev.sheldan.abstracto.core.exception.EmoteNotDefinedException;
 import dev.sheldan.abstracto.core.models.database.AEmote;
 import dev.sheldan.abstracto.core.service.management.EmoteManagementService;
 import lombok.extern.slf4j.Slf4j;
@@ -79,7 +79,7 @@ public class EmoteServiceBean implements EmoteService {
     @Override
     public void throwIfEmoteDoesNotExist(String emoteKey, Long serverId)  {
         if(!emoteManagementService.loadEmoteByName(emoteKey, serverId).isPresent()) {
-            throw new EmoteException(String.format("Emote %s not defined.", emoteKey));
+            throw new EmoteNotDefinedException(emoteKey);
         }
     }
 

abstracto-application/core/core-impl/src/main/java/dev/sheldan/abstracto/core/service/MessageServiceBean.java

@@ -1,8 +1,7 @@
 package dev.sheldan.abstracto.core.service;
 
-import dev.sheldan.abstracto.core.exception.EmoteException;
+import dev.sheldan.abstracto.core.exception.EmoteNotDefinedException;
 import dev.sheldan.abstracto.core.exception.GuildException;
-import dev.sheldan.abstracto.core.models.ServerChannelMessage;
 import dev.sheldan.abstracto.core.models.database.AChannel;
 import dev.sheldan.abstracto.core.models.database.AUserInAServer;
 import dev.sheldan.abstracto.core.service.management.EmoteManagementService;
@@ -14,8 +13,6 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Component;
 import org.springframework.transaction.annotation.Transactional;
 
-import java.util.ArrayList;
-import java.util.List;
 import java.util.Optional;
 import java.util.concurrent.CompletableFuture;
 
@@ -52,7 +49,7 @@ public class MessageServiceBean implements MessageService {
                         message.addReaction(emoteById).queue();
                     } else {
                         log.error("Emote with key {} and id {} for guild {} was not found.", emoteKey, emote.getEmoteId(), guild.getId());
-                        throw new EmoteException(String.format("Emote with key `%s` and id %s in guild %s was not found. Check whether or not the configured emote is available.", emoteKey, emote.getEmoteId(), guild.getIdLong()));
+                        throw new EmoteNotDefinedException(emoteKey);
                     }
                 } else {
                     message.addReaction(emote.getEmoteKey()).queue();

abstracto-application/core/core-impl/src/main/java/dev/sheldan/abstracto/core/service/PostTargetServiceBean.java

@@ -3,7 +3,7 @@ package dev.sheldan.abstracto.core.service;
 import dev.sheldan.abstracto.core.config.DynamicKeyLoader;
 import dev.sheldan.abstracto.core.exception.ChannelNotFoundException;
 import dev.sheldan.abstracto.core.exception.GuildException;
-import dev.sheldan.abstracto.core.exception.PostTargetException;
+import dev.sheldan.abstracto.core.exception.PostTargetNotValidException;
 import dev.sheldan.abstracto.core.service.management.PostTargetManagement;
 import dev.sheldan.abstracto.core.models.database.PostTarget;
 import dev.sheldan.abstracto.templating.model.MessageToSend;
@@ -70,7 +70,7 @@ public class PostTargetServiceBean implements PostTargetService {
             return postTarget;
         } else {
             log.error("PostTarget {} in server {} was not found!", postTargetName, serverId);
-            throw new PostTargetException(String.format("Incorrect post target configuration: Post target %s was not found.", postTargetName));
+            throw new PostTargetNotValidException(postTargetName);
         }
     }
 
@@ -171,7 +171,7 @@ public class PostTargetServiceBean implements PostTargetService {
     public void throwIfPostTargetIsNotDefined(String name, Long serverId) {
         PostTarget postTarget = postTargetManagement.getPostTarget(name, serverId);
         if(postTarget == null) {
-            throw new PostTargetException(String.format("Post target %s is not defined.", name));
+            throw new PostTargetNotValidException(name);
         }
     }
 

abstracto-application/core/core-impl/src/main/java/dev/sheldan/abstracto/core/service/RoleServiceBean.java

@@ -1,7 +1,8 @@
 package dev.sheldan.abstracto.core.service;
 
 import dev.sheldan.abstracto.core.exception.GuildException;
-import dev.sheldan.abstracto.core.exception.RoleException;
+import dev.sheldan.abstracto.core.exception.RoleNotFoundInDBException;
+import dev.sheldan.abstracto.core.exception.RoleNotFoundInGuildException;
 import dev.sheldan.abstracto.core.models.database.ARole;
 import dev.sheldan.abstracto.core.models.database.AServer;
 import dev.sheldan.abstracto.core.models.database.AUserInAServer;
@@ -10,7 +11,6 @@ import lombok.extern.slf4j.Slf4j;
 import net.dv8tion.jda.api.entities.Guild;
 import net.dv8tion.jda.api.entities.Member;
 import net.dv8tion.jda.api.entities.Role;
-import org.aspectj.lang.annotation.Around;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Component;
 
@@ -37,7 +37,7 @@ public class RoleServiceBean implements RoleService {
             if(roleById != null) {
                 guild.addRoleToMember(aUserInAServer.getUserReference().getId(), roleById).queue();
             } else {
-                throw new RoleException(String.format("Failed to load role %s in guild %s", role.getId(), aUserInAServer.getServerReference().getId()));
+                throw new RoleNotFoundInGuildException(role.getId(), aUserInAServer.getServerReference().getId());
             }
         } else {
             throw new GuildException(String.format("Failed to load guild %s.", aUserInAServer.getServerReference().getId()));
@@ -53,7 +53,7 @@ public class RoleServiceBean implements RoleService {
             if(roleById != null) {
                 guild.removeRoleFromMember(aUserInAServer.getUserReference().getId(), roleById).queue();
             } else {
-                throw new RoleException(String.format("Failed to load role %s in guild %s", role.getId(), aUserInAServer.getServerReference().getId()));
+                throw new RoleNotFoundInGuildException(role.getId(), aUserInAServer.getServerReference().getId());
             }
         } else {
             throw new GuildException(String.format("Failed to load guild %s.", aUserInAServer.getServerReference().getId()));
@@ -68,7 +68,7 @@ public class RoleServiceBean implements RoleService {
     @Override
     public void markDeleted(Long id, AServer server) {
         Optional<ARole> role = roleManagementService.findRole(id, server);
-        ARole role1 = role.orElseThrow(() -> new RoleException(String.format("Cannot find role %s to mark as deleted.", id)));
+        ARole role1 = role.orElseThrow(() -> new RoleNotFoundInDBException(id, server.getId()));
         roleManagementService.markDeleted(role1);
     }
 

abstracto-application/core/core-impl/src/main/java/dev/sheldan/abstracto/core/service/UndoActionServiceBean.java

@@ -1,6 +1,5 @@
 package dev.sheldan.abstracto.core.service;
 
-import dev.sheldan.abstracto.core.exception.UndoActionException;
 import dev.sheldan.abstracto.core.models.UndoAction;
 import dev.sheldan.abstracto.core.models.UndoActionInstance;
 import lombok.extern.slf4j.Slf4j;

abstracto-application/core/core-impl/src/main/java/dev/sheldan/abstracto/core/service/management/ChannelGroupManagementServiceBean.java

@@ -1,7 +1,7 @@
 package dev.sheldan.abstracto.core.service.management;
 
-import dev.sheldan.abstracto.core.command.exception.ChannelGroupException;
+import dev.sheldan.abstracto.core.command.exception.ChannelGroupExistsException;
-import dev.sheldan.abstracto.core.exception.ChannelNotFoundException;
+import dev.sheldan.abstracto.core.command.exception.ChannelGroupNotFoundException;
 import dev.sheldan.abstracto.core.models.database.AChannel;
 import dev.sheldan.abstracto.core.models.database.AChannelGroup;
 import dev.sheldan.abstracto.core.models.database.AServer;
@@ -11,6 +11,7 @@ import org.springframework.stereotype.Component;
 
 import java.util.List;
 import java.util.function.Predicate;
+import java.util.stream.Collectors;
 
 @Component
 public class ChannelGroupManagementServiceBean implements ChannelGroupManagementService {
@@ -25,7 +26,7 @@ public class ChannelGroupManagementServiceBean implements ChannelGroupManagement
     public AChannelGroup createChannelGroup(String name, AServer server) {
         name = name.toLowerCase();
         if(doesChannelGroupExist(name, server)) {
-            throw new ChannelGroupException("Channel group already exists.");
+            throw new ChannelGroupExistsException(name);
         }
         AChannelGroup channelGroup = AChannelGroup
                 .builder()
@@ -46,7 +47,7 @@ public class ChannelGroupManagementServiceBean implements ChannelGroupManagement
         name = name.toLowerCase();
         AChannelGroup existing = findByNameAndServer(name, server);
         if(existing == null) {
-            throw new ChannelGroupException(String.format("Channel group %s does not exist", name));
+            throw new ChannelGroupNotFoundException(name, getAllAvailableAsString(server));
         }
         channelGroupRepository.delete(existing);
     }
@@ -54,11 +55,8 @@ public class ChannelGroupManagementServiceBean implements ChannelGroupManagement
     @Override
     public AChannelGroup addChannelToChannelGroup(AChannelGroup channelGroup, AChannel channel) {
         Predicate<AChannel> channelInGroupPredicate = channel1 -> channel1.getId().equals(channel.getId());
-        if(channelGroup == null) {
-            throw new ChannelGroupException("Channel group was not found.");
-        }
         if(channelGroup.getChannels().stream().anyMatch(channelInGroupPredicate)) {
-            throw new ChannelGroupException(String.format("Channel %s is already part of group %s.", channel.getId(), channelGroup.getGroupName()));
+            throw new ChannelGroupExistsException(String.format("Channel %s is already part of group %s.", channel.getId(), channelGroup.getGroupName()));
         }
         channelGroup.getChannels().add(channel);
         channel.getGroups().add(channelGroup);
@@ -69,7 +67,7 @@ public class ChannelGroupManagementServiceBean implements ChannelGroupManagement
     public void removeChannelFromChannelGroup(AChannelGroup channelGroup, AChannel channel) {
         Predicate<AChannel> channelInGroupPredicate = channel1 -> channel1.getId().equals(channel.getId());
         if(channelGroup.getChannels().stream().noneMatch(channelInGroupPredicate)) {
-            throw new ChannelGroupException(String.format("Channel %s is not part of group %s.", channel.getId(), channelGroup.getGroupName()));
+            throw new ChannelGroupExistsException(String.format("Channel %s is not part of group %s.", channel.getId(), channelGroup.getGroupName()));
         }
         channelGroup.getChannels().removeIf(channelInGroupPredicate);
         channel.getGroups().removeIf(channelGroup1 -> channelGroup1.getId().equals(channelGroup.getId()));
@@ -86,6 +84,11 @@ public class ChannelGroupManagementServiceBean implements ChannelGroupManagement
         return channelGroupRepository.findByServer(server);
     }
 
+    @Override
+    public List<String> getAllAvailableAsString(AServer server) {
+        return findAllInServer(server).stream().map(AChannelGroup::getGroupName).collect(Collectors.toList());
+    }
+
     @Override
     public List<AChannelGroup> findAllInServer(Long serverId) {
         AServer server = serverManagementService.loadOrCreate(serverId);

abstracto-application/core/core-impl/src/main/java/dev/sheldan/abstracto/core/service/management/EmoteManagementServiceBean.java

@@ -1,7 +1,7 @@
 package dev.sheldan.abstracto.core.service.management;
 
 import dev.sheldan.abstracto.core.config.DynamicKeyLoader;
-import dev.sheldan.abstracto.core.exception.EmoteException;
+import dev.sheldan.abstracto.core.exception.EmoteNotFoundException;
 import dev.sheldan.abstracto.core.models.database.AEmote;
 import dev.sheldan.abstracto.core.models.database.AServer;
 import dev.sheldan.abstracto.core.repository.EmoteRepository;
@@ -148,7 +148,7 @@ public class EmoteManagementServiceBean implements EmoteManagementService {
     private void validateEmoteName(String name)  {
         List<String> possibleEmotes = dynamicKeyLoader.getEmoteNamesAsList();
         if(!possibleEmotes.contains(name)) {
-            throw new EmoteException("Emote `" + name + "` is not defined. Possible values are: " + String.join(", ", possibleEmotes));
+            throw new EmoteNotFoundException(name, possibleEmotes);
         }
     }
 }

abstracto-application/core/core-impl/src/main/java/dev/sheldan/abstracto/core/service/management/PostTargetManagementBean.java

@@ -2,7 +2,7 @@ package dev.sheldan.abstracto.core.service.management;
 
 import dev.sheldan.abstracto.core.config.DynamicKeyLoader;
 import dev.sheldan.abstracto.core.exception.ChannelNotFoundException;
-import dev.sheldan.abstracto.core.exception.PostTargetException;
+import dev.sheldan.abstracto.core.exception.PostTargetNotFoundException;
 import dev.sheldan.abstracto.core.models.database.AChannel;
 import dev.sheldan.abstracto.core.models.database.AServer;
 import dev.sheldan.abstracto.core.models.database.PostTarget;
@@ -36,7 +36,7 @@ public class PostTargetManagementBean implements PostTargetManagement {
     @Override
     public PostTarget createPostTarget(String name, AServer server, AChannel targetChannel) {
         if(!postTargetService.validPostTarget(name)) {
-            throw new PostTargetException("PostTarget not found. Possible values are: " + String.join(", ", dynamicKeyLoader.getPostTargetsAsList()));
+            throw new PostTargetNotFoundException(name, dynamicKeyLoader.getPostTargetsAsList());
         }
         log.info("Creating post target {} pointing towards {}", name, targetChannel);
         PostTarget build = PostTarget.builder().name(name).channelReference(targetChannel).serverReference(server).build();

abstracto-application/core/core-impl/src/main/resources/seedData/templates/coreCommands/listChannelGroups/listChannelGroups_response_embed_en_US.ftl

@@ -15,10 +15,7 @@
         {
             "name": "${group.name}",
             "value": "
-            <#list group.channels as channel>
+            <#list group.channels as channel>${channel.discordChannel.asMention}<#sep>,</#list>
-                ${channel.discordChannel.asMention}
-                <#sep>,
-            </#list>
             "
         }<#sep>,
       <#else>

abstracto-application/core/core-interface/src/main/java/dev/sheldan/abstracto/core/command/exception/ChannelGroupException.java

@@ -1,9 +0,0 @@
-package dev.sheldan.abstracto.core.command.exception;
-
-import dev.sheldan.abstracto.core.exception.AbstractoRunTimeException;
-
-public class ChannelGroupException extends AbstractoRunTimeException {
-    public ChannelGroupException(String message) {
-        super(message);
-    }
-}

abstracto-application/core/core-interface/src/main/java/dev/sheldan/abstracto/core/command/exception/ChannelGroupExistsException.java

@@ -0,0 +1,28 @@
+package dev.sheldan.abstracto.core.command.exception;
+
+import dev.sheldan.abstracto.core.exception.AbstractoRunTimeException;
+import dev.sheldan.abstracto.templating.Templatable;
+
+import java.util.HashMap;
+
+public class ChannelGroupExistsException extends AbstractoRunTimeException implements Templatable {
+
+    private String name;
+
+    public ChannelGroupExistsException(String name) {
+        super("");
+        this.name = name;
+    }
+
+    @Override
+    public String getTemplateName() {
+        return "channel_group_exists_exception";
+    }
+
+    @Override
+    public Object getTemplateModel() {
+        HashMap<String, String> param = new HashMap<>();
+        param.put("name", this.name);
+        return param;
+    }
+}

abstracto-application/core/core-interface/src/main/java/dev/sheldan/abstracto/core/command/exception/ChannelGroupNotFoundException.java

@@ -0,0 +1,31 @@
+package dev.sheldan.abstracto.core.command.exception;
+
+import dev.sheldan.abstracto.core.exception.AbstractoRunTimeException;
+import dev.sheldan.abstracto.templating.Templatable;
+
+import java.util.HashMap;
+import java.util.List;
+
+public class ChannelGroupNotFoundException extends AbstractoRunTimeException implements Templatable {
+
+    private String name;
+    private List<String> available;
+
+    public ChannelGroupNotFoundException(String key, List<String> available) {
+        super("");
+        this.name = key;
+        this.available = available;
+    }
+    @Override
+    public String getTemplateName() {
+        return "channel_group_not_found_exception";
+    }
+
+    @Override
+    public Object getTemplateModel() {
+        HashMap<String, String> param = new HashMap<>();
+        param.put("name", this.name);
+        param.put("available", String.join(", ", this.available));
+        return param;
+    }
+}

abstracto-application/core/core-interface/src/main/java/dev/sheldan/abstracto/core/exception/ConfigurationException.java

@@ -1,7 +0,0 @@
-package dev.sheldan.abstracto.core.exception;
-
-public class ConfigurationException extends AbstractoRunTimeException {
-    public ConfigurationException(String message) {
-        super(message);
-    }
-}

abstracto-application/core/core-interface/src/main/java/dev/sheldan/abstracto/core/exception/ConfigurationKeyNotFoundException.java

@@ -0,0 +1,27 @@
+package dev.sheldan.abstracto.core.exception;
+
+import dev.sheldan.abstracto.templating.Templatable;
+
+import java.util.HashMap;
+
+public class ConfigurationKeyNotFoundException extends AbstractoRunTimeException implements Templatable {
+
+    private String key;
+
+    public ConfigurationKeyNotFoundException(String key) {
+        super("");
+        this.key = key;
+    }
+
+    @Override
+    public String getTemplateName() {
+        return "config_key_not_found_exception";
+    }
+
+    @Override
+    public Object getTemplateModel() {
+        HashMap<String, String> param = new HashMap<>();
+        param.put("key", this.key);
+        return param;
+    }
+}

abstracto-application/core/core-interface/src/main/java/dev/sheldan/abstracto/core/exception/EmoteException.java

@@ -1,7 +0,0 @@
-package dev.sheldan.abstracto.core.exception;
-
-public class EmoteException extends AbstractoRunTimeException {
-    public EmoteException(String message) {
-        super(message);
-    }
-}

abstracto-application/core/core-interface/src/main/java/dev/sheldan/abstracto/core/exception/EmoteNotDefinedException.java

@@ -0,0 +1,28 @@
+package dev.sheldan.abstracto.core.exception;
+
+import dev.sheldan.abstracto.templating.Templatable;
+
+import java.util.HashMap;
+import java.util.List;
+
+public class EmoteNotDefinedException extends AbstractoRunTimeException implements Templatable {
+
+    private String emoteKey;
+
+    public EmoteNotDefinedException(String key) {
+        super("");
+        this.emoteKey = key;
+    }
+
+    @Override
+    public String getTemplateName() {
+        return "emote_not_defined_exception";
+    }
+
+    @Override
+    public Object getTemplateModel() {
+        HashMap<String, String> param = new HashMap<>();
+        param.put("emoteKey", this.emoteKey);
+        return param;
+    }
+}

abstracto-application/core/core-interface/src/main/java/dev/sheldan/abstracto/core/exception/EmoteNotFoundException.java

@@ -0,0 +1,31 @@
+package dev.sheldan.abstracto.core.exception;
+
+import dev.sheldan.abstracto.templating.Templatable;
+
+import java.util.HashMap;
+import java.util.List;
+
+public class EmoteNotFoundException extends AbstractoRunTimeException implements Templatable {
+
+    private String emoteKey;
+    private List<String> available;
+
+    public EmoteNotFoundException(String key, List<String> availableEmotes) {
+        super("");
+        this.emoteKey = key;
+        this.available = availableEmotes;
+    }
+
+    @Override
+    public String getTemplateName() {
+        return "emote_not_found_exception";
+    }
+
+    @Override
+    public Object getTemplateModel() {
+        HashMap<String, String> param = new HashMap<>();
+        param.put("emoteKey", this.emoteKey);
+        param.put("available", String.join(",", this.available));
+        return param;
+    }
+}

abstracto-application/core/core-interface/src/main/java/dev/sheldan/abstracto/core/exception/FeatureDisabledException.java

@@ -1,7 +0,0 @@
-package dev.sheldan.abstracto.core.exception;
-
-public class FeatureDisabledException extends AbstractoRunTimeException {
-    public FeatureDisabledException(String message) {
-        super(message);
-    }
-}

abstracto-application/core/core-interface/src/main/java/dev/sheldan/abstracto/core/exception/GuildException.java

@@ -1,7 +1,19 @@
 package dev.sheldan.abstracto.core.exception;
 
-public class GuildException extends AbstractoRunTimeException {
+import dev.sheldan.abstracto.templating.Templatable;
+
+public class GuildException extends AbstractoRunTimeException implements Templatable {
     public GuildException(String message) {
         super(message);
     }
+
+    @Override
+    public String getTemplateName() {
+        return null;
+    }
+
+    @Override
+    public Object getTemplateModel() {
+        return null;
+    }
 }

abstracto-application/core/core-interface/src/main/java/dev/sheldan/abstracto/core/exception/PostTargetException.java

@@ -1,7 +0,0 @@
-package dev.sheldan.abstracto.core.exception;
-
-public class PostTargetException extends AbstractoRunTimeException {
-    public PostTargetException(String message) {
-        super(message);
-    }
-}

abstracto-application/core/core-interface/src/main/java/dev/sheldan/abstracto/core/exception/PostTargetNotFoundException.java

@@ -0,0 +1,31 @@
+package dev.sheldan.abstracto.core.exception;
+
+import dev.sheldan.abstracto.templating.Templatable;
+
+import java.util.HashMap;
+import java.util.List;
+
+public class PostTargetNotFoundException extends AbstractoRunTimeException implements Templatable {
+
+    private String postTargetKey;
+    private List<String> availableTargets;
+
+    public PostTargetNotFoundException(String key, List<String> available) {
+        super("");
+        this.postTargetKey = key;
+        this.availableTargets = available;
+    }
+
+    @Override
+    public String getTemplateName() {
+        return "post_target_not_found";
+    }
+
+    @Override
+    public Object getTemplateModel() {
+        HashMap<String, String> param = new HashMap<>();
+        param.put("key", this.postTargetKey);
+        param.put("available", String.join(",", this.availableTargets));
+        return param;
+    }
+}

abstracto-application/core/core-interface/src/main/java/dev/sheldan/abstracto/core/exception/PostTargetNotValidException.java

@@ -0,0 +1,27 @@
+package dev.sheldan.abstracto.core.exception;
+
+import dev.sheldan.abstracto.templating.Templatable;
+
+import java.util.HashMap;
+
+public class PostTargetNotValidException extends AbstractoRunTimeException implements Templatable {
+
+    private String postTargetKey;
+
+    public PostTargetNotValidException(String key) {
+        super("");
+        this.postTargetKey = key;
+    }
+
+    @Override
+    public String getTemplateName() {
+        return "post_target_not_valid";
+    }
+
+    @Override
+    public Object getTemplateModel() {
+        HashMap<String, String> param = new HashMap<>();
+        param.put("key", this.postTargetKey);
+        return param;
+    }
+}

abstracto-application/core/core-interface/src/main/java/dev/sheldan/abstracto/core/exception/RoleException.java

@@ -1,7 +0,0 @@
-package dev.sheldan.abstracto.core.exception;
-
-public class RoleException extends AbstractoRunTimeException {
-    public RoleException(String message) {
-        super(message);
-    }
-}

abstracto-application/core/core-interface/src/main/java/dev/sheldan/abstracto/core/exception/RoleNotFoundInDBException.java

@@ -0,0 +1,30 @@
+package dev.sheldan.abstracto.core.exception;
+
+import dev.sheldan.abstracto.templating.Templatable;
+
+import java.util.HashMap;
+
+public class RoleNotFoundInDBException extends AbstractoRunTimeException implements Templatable {
+
+    private Long roleId;
+    private Long serverId;
+
+    public RoleNotFoundInDBException(Long roleId, Long serverId) {
+        super("");
+        this.roleId = roleId;
+        this.serverId = serverId;
+    }
+
+    @Override
+    public String getTemplateName() {
+        return "role_not_found_in_db_exception";
+    }
+
+    @Override
+    public Object getTemplateModel() {
+        HashMap<String, Long> param = new HashMap<>();
+        param.put("roleId", this.roleId);
+        param.put("serverId", this.serverId);
+        return param;
+    }
+}

abstracto-application/core/core-interface/src/main/java/dev/sheldan/abstracto/core/exception/RoleNotFoundInGuildException.java

@@ -0,0 +1,30 @@
+package dev.sheldan.abstracto.core.exception;
+
+import dev.sheldan.abstracto.templating.Templatable;
+
+import java.util.HashMap;
+
+public class RoleNotFoundInGuildException extends AbstractoRunTimeException implements Templatable {
+
+    private Long roleId;
+    private Long serverId;
+
+    public RoleNotFoundInGuildException(Long roleId, Long serverId) {
+        super("");
+        this.roleId = roleId;
+        this.serverId = serverId;
+    }
+
+    @Override
+    public String getTemplateName() {
+        return "role_not_found_in_guild_exception";
+    }
+
+    @Override
+    public Object getTemplateModel() {
+        HashMap<String, Long> param = new HashMap<>();
+        param.put("roleId", this.roleId);
+        param.put("serverId", this.serverId);
+        return param;
+    }
+}

abstracto-application/core/core-interface/src/main/java/dev/sheldan/abstracto/core/exception/UndoActionException.java

@@ -1,7 +0,0 @@
-package dev.sheldan.abstracto.core.exception;
-
-public class UndoActionException extends AbstractoRunTimeException {
-    public UndoActionException(String message) {
-        super(message);
-    }
-}

abstracto-application/core/core-interface/src/main/java/dev/sheldan/abstracto/core/exception/UserException.java

@@ -1,7 +0,0 @@
-package dev.sheldan.abstracto.core.exception;
-
-public class UserException extends AbstractoRunTimeException {
-    public UserException(String message) {
-        super(message);
-    }
-}

abstracto-application/core/core-interface/src/main/java/dev/sheldan/abstracto/core/service/management/ChannelGroupManagementService.java

@@ -14,5 +14,6 @@ public interface ChannelGroupManagementService {
     void removeChannelFromChannelGroup(AChannelGroup channelGroup, AChannel channel);
     AChannelGroup findByNameAndServer(String name, AServer server);
     List<AChannelGroup> findAllInServer(AServer server);
+    List<String> getAllAvailableAsString(AServer server);
     List<AChannelGroup> findAllInServer(Long serverId);
 }

abstracto-application/template-config/src/main/resources/templates/en_US/general/exception/channel_group_exists_exception_en_US.ftl

@@ -0,0 +1 @@
+Channel group ${name} already exists.

abstracto-application/template-config/src/main/resources/templates/en_US/general/exception/channel_group_not_found_exception_en_US.ftl

@@ -0,0 +1 @@
+Channel group ${name} does not exist. The available channel groups are ${available}.

abstracto-application/template-config/src/main/resources/templates/en_US/general/exception/config_key_not_found_exception_en_US.ftl

@@ -0,0 +1 @@
+The key ${key} was not found.

abstracto-application/template-config/src/main/resources/templates/en_US/general/exception/emote_not_defined_exception_en_US.ftl

@@ -0,0 +1 @@
+The emote ${emoteKey} was not defined for this server.

abstracto-application/template-config/src/main/resources/templates/en_US/general/exception/emote_not_found_exception_en_US.ftl

@@ -0,0 +1 @@
+The emote ${emoteKey} was not found. The available emotes are: ${available}

abstracto-application/template-config/src/main/resources/templates/en_US/general/exception/post_target_not_found_en_US.ftl

@@ -0,0 +1 @@
+Post target ${key} was not found.

abstracto-application/template-config/src/main/resources/templates/en_US/general/exception/post_target_not_valid_en_US.ftl

@@ -0,0 +1 @@
+Post target ${key} is not available. The possible post targets are: ${available}.

abstracto-application/template-config/src/main/resources/templates/en_US/general/exception/role_not_found_in_db_exception_en_US.ftl

@@ -0,0 +1 @@
+Role ${roleId} was not found in the database.

abstracto-application/template-config/src/main/resources/templates/en_US/general/exception/role_not_found_in_guild_exception_en_US.ftl

@@ -0,0 +1 @@
+Role ${roleId} was not found in server ${serverId}.

abstracto-application/templating/templating-impl/src/main/java/dev/sheldan/abstracto/templating/loading/DatabaseTemplateLoader.java

@@ -32,7 +32,8 @@ public class DatabaseTemplateLoader implements TemplateLoader {
      */
     @Override
     public Object findTemplateSource(String s) throws IOException {
-        return templateManagementService.getTemplateByKey(s);
+        Optional<Template> templateByKey = templateManagementService.getTemplateByKey(s);
+        return templateByKey.orElseThrow(() -> new IOException(String.format("Failed to load template. %s", s)));
     }
 
     @Override