[AB-217] adding profanity service

using profanity service to filter profanities in urban define
adding cache clearing listeners
fixing using 0 as default for maxMessages if not defined

abstracto-application/core/core-impl/src/main/java/dev/sheldan/abstracto/core/commands/config/profanity/AddProfanityRegex.java

@@ -0,0 +1,64 @@
+package dev.sheldan.abstracto.core.commands.config.profanity;
+
+import dev.sheldan.abstracto.core.command.condition.AbstractConditionableCommand;
+import dev.sheldan.abstracto.core.command.config.CommandConfiguration;
+import dev.sheldan.abstracto.core.command.config.HelpInfo;
+import dev.sheldan.abstracto.core.command.config.Parameter;
+import dev.sheldan.abstracto.core.command.config.features.CoreFeatureDefinition;
+import dev.sheldan.abstracto.core.command.execution.CommandContext;
+import dev.sheldan.abstracto.core.command.execution.CommandResult;
+import dev.sheldan.abstracto.core.commands.config.ConfigModuleDefinition;
+import dev.sheldan.abstracto.core.config.FeatureDefinition;
+import dev.sheldan.abstracto.core.service.ProfanityService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+
+import java.util.Arrays;
+import java.util.List;
+
+@Component
+public class AddProfanityRegex extends AbstractConditionableCommand {
+
+    @Autowired
+    private ProfanityService profanityService;
+
+    @Override
+    public CommandResult execute(CommandContext commandContext) {
+        List<Object> parameters = commandContext.getParameters().getParameters();
+        String profanityGroupName = (String) parameters.get(0);
+        String profanityName = (String) parameters.get(1);
+        String regex = (String) parameters.get(2);
+        Long serverId = commandContext.getGuild().getIdLong();
+        if(parameters.size() < 4) {
+            profanityService.createProfanityRegex(serverId, profanityGroupName, profanityName, regex);
+        } else {
+            String replacement = (String) parameters.get(3);
+            profanityService.createProfanityRegex(serverId, profanityGroupName, profanityName, regex, replacement);
+        }
+        return CommandResult.fromSuccess();
+    }
+
+    @Override
+    public CommandConfiguration getConfiguration() {
+        Parameter profanityGroupParameter = Parameter.builder().name("profanityGroup").type(String.class).templated(true).build();
+        Parameter nameParameter = Parameter.builder().name("profanityName").type(String.class).templated(true).build();
+        Parameter regexParameter = Parameter.builder().name("regex").type(String.class).templated(true).build();
+        Parameter replacement = Parameter.builder().name("replacement").type(String.class).optional(true).templated(true).build();
+        List<Parameter> parameters = Arrays.asList(profanityGroupParameter, nameParameter, regexParameter, replacement);
+        HelpInfo helpInfo = HelpInfo.builder().templated(true).build();
+        return CommandConfiguration.builder()
+                .name("addProfanityRegex")
+                .module(ConfigModuleDefinition.CONFIG)
+                .parameters(parameters)
+                .templated(true)
+                .supportsEmbedException(true)
+                .help(helpInfo)
+                .causesReaction(true)
+                .build();
+    }
+
+    @Override
+    public FeatureDefinition getFeature() {
+        return CoreFeatureDefinition.CORE_FEATURE;
+    }
+}

abstracto-application/core/core-impl/src/main/java/dev/sheldan/abstracto/core/commands/config/profanity/CreateProfanityGroup.java

@@ -0,0 +1,52 @@
+package dev.sheldan.abstracto.core.commands.config.profanity;
+
+import dev.sheldan.abstracto.core.command.condition.AbstractConditionableCommand;
+import dev.sheldan.abstracto.core.command.config.CommandConfiguration;
+import dev.sheldan.abstracto.core.command.config.HelpInfo;
+import dev.sheldan.abstracto.core.command.config.Parameter;
+import dev.sheldan.abstracto.core.command.config.features.CoreFeatureDefinition;
+import dev.sheldan.abstracto.core.command.execution.CommandContext;
+import dev.sheldan.abstracto.core.command.execution.CommandResult;
+import dev.sheldan.abstracto.core.commands.config.ConfigModuleDefinition;
+import dev.sheldan.abstracto.core.config.FeatureDefinition;
+import dev.sheldan.abstracto.core.service.ProfanityService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+
+import java.util.Arrays;
+import java.util.List;
+
+@Component
+public class CreateProfanityGroup extends AbstractConditionableCommand {
+
+    @Autowired
+    private ProfanityService profanityService;
+
+    @Override
+    public CommandResult execute(CommandContext commandContext) {
+        String profanityGroupName = (String) commandContext.getParameters().getParameters().get(0);
+        profanityService.createProfanityGroup(commandContext.getGuild().getIdLong(), profanityGroupName);
+        return CommandResult.fromSuccess();
+    }
+
+    @Override
+    public CommandConfiguration getConfiguration() {
+        Parameter profanityGroupName = Parameter.builder().name("profanityGroupName").type(String.class).templated(true).build();
+        List<Parameter> parameters = Arrays.asList(profanityGroupName);
+        HelpInfo helpInfo = HelpInfo.builder().templated(true).build();
+        return CommandConfiguration.builder()
+                .name("createProfanityGroup")
+                .module(ConfigModuleDefinition.CONFIG)
+                .parameters(parameters)
+                .templated(true)
+                .supportsEmbedException(true)
+                .help(helpInfo)
+                .causesReaction(true)
+                .build();
+    }
+
+    @Override
+    public FeatureDefinition getFeature() {
+        return CoreFeatureDefinition.CORE_FEATURE;
+    }
+}

abstracto-application/core/core-impl/src/main/java/dev/sheldan/abstracto/core/commands/config/profanity/DeleteProfanityGroup.java

@@ -0,0 +1,52 @@
+package dev.sheldan.abstracto.core.commands.config.profanity;
+
+import dev.sheldan.abstracto.core.command.condition.AbstractConditionableCommand;
+import dev.sheldan.abstracto.core.command.config.CommandConfiguration;
+import dev.sheldan.abstracto.core.command.config.HelpInfo;
+import dev.sheldan.abstracto.core.command.config.Parameter;
+import dev.sheldan.abstracto.core.command.config.features.CoreFeatureDefinition;
+import dev.sheldan.abstracto.core.command.execution.CommandContext;
+import dev.sheldan.abstracto.core.command.execution.CommandResult;
+import dev.sheldan.abstracto.core.commands.config.ConfigModuleDefinition;
+import dev.sheldan.abstracto.core.config.FeatureDefinition;
+import dev.sheldan.abstracto.core.service.ProfanityService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+
+import java.util.Arrays;
+import java.util.List;
+
+@Component
+public class DeleteProfanityGroup extends AbstractConditionableCommand {
+
+    @Autowired
+    private ProfanityService profanityService;
+
+    @Override
+    public CommandResult execute(CommandContext commandContext) {
+        String profanityGroupName = (String) commandContext.getParameters().getParameters().get(0);
+        profanityService.deleteProfanityGroup(commandContext.getGuild().getIdLong(), profanityGroupName);
+        return CommandResult.fromSuccess();
+    }
+
+    @Override
+    public CommandConfiguration getConfiguration() {
+        Parameter profanityGroupParameter = Parameter.builder().name("profanityGroupName").type(String.class).templated(true).build();
+        List<Parameter> parameters = Arrays.asList(profanityGroupParameter);
+        HelpInfo helpInfo = HelpInfo.builder().templated(true).build();
+        return CommandConfiguration.builder()
+                .name("deleteProfanityGroup")
+                .module(ConfigModuleDefinition.CONFIG)
+                .parameters(parameters)
+                .templated(true)
+                .supportsEmbedException(true)
+                .help(helpInfo)
+                .causesReaction(true)
+                .build();
+    }
+
+    @Override
+    public FeatureDefinition getFeature() {
+        return CoreFeatureDefinition.CORE_FEATURE;
+    }
+}

abstracto-application/core/core-impl/src/main/java/dev/sheldan/abstracto/core/commands/config/profanity/DeleteProfanityRegex.java

@@ -0,0 +1,55 @@
+package dev.sheldan.abstracto.core.commands.config.profanity;
+
+import dev.sheldan.abstracto.core.command.condition.AbstractConditionableCommand;
+import dev.sheldan.abstracto.core.command.config.CommandConfiguration;
+import dev.sheldan.abstracto.core.command.config.HelpInfo;
+import dev.sheldan.abstracto.core.command.config.Parameter;
+import dev.sheldan.abstracto.core.command.config.features.CoreFeatureDefinition;
+import dev.sheldan.abstracto.core.command.execution.CommandContext;
+import dev.sheldan.abstracto.core.command.execution.CommandResult;
+import dev.sheldan.abstracto.core.commands.config.ConfigModuleDefinition;
+import dev.sheldan.abstracto.core.config.FeatureDefinition;
+import dev.sheldan.abstracto.core.service.ProfanityService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+
+import java.util.Arrays;
+import java.util.List;
+
+@Component
+public class DeleteProfanityRegex extends AbstractConditionableCommand {
+
+    @Autowired
+    private ProfanityService profanityService;
+
+    @Override
+    public CommandResult execute(CommandContext commandContext) {
+        List<Object> parameters = commandContext.getParameters().getParameters();
+        String profanityGroupName = (String) parameters.get(0);
+        String profanityName = (String) parameters.get(1);
+        profanityService.deleteProfanityRegex(commandContext.getGuild().getIdLong(), profanityGroupName, profanityName);
+        return CommandResult.fromSuccess();
+    }
+
+    @Override
+    public CommandConfiguration getConfiguration() {
+        Parameter profanityGroupParameter = Parameter.builder().name("profanityGroup").type(String.class).templated(true).build();
+        Parameter profanityNameParameter = Parameter.builder().name("profanityName").type(String.class).templated(true).build();
+        List<Parameter> parameters = Arrays.asList(profanityGroupParameter, profanityNameParameter);
+        HelpInfo helpInfo = HelpInfo.builder().templated(true).build();
+        return CommandConfiguration.builder()
+                .name("deleteProfanityRegex")
+                .module(ConfigModuleDefinition.CONFIG)
+                .parameters(parameters)
+                .templated(true)
+                .supportsEmbedException(true)
+                .help(helpInfo)
+                .causesReaction(true)
+                .build();
+    }
+
+    @Override
+    public FeatureDefinition getFeature() {
+        return CoreFeatureDefinition.CORE_FEATURE;
+    }
+}

abstracto-application/core/core-impl/src/main/java/dev/sheldan/abstracto/core/commands/config/profanity/ShowProfanityConfig.java

@@ -0,0 +1,67 @@
+package dev.sheldan.abstracto.core.commands.config.profanity;
+
+import dev.sheldan.abstracto.core.command.condition.AbstractConditionableCommand;
+import dev.sheldan.abstracto.core.command.config.CommandConfiguration;
+import dev.sheldan.abstracto.core.command.config.HelpInfo;
+import dev.sheldan.abstracto.core.command.config.features.CoreFeatureDefinition;
+import dev.sheldan.abstracto.core.command.execution.CommandContext;
+import dev.sheldan.abstracto.core.command.execution.CommandResult;
+import dev.sheldan.abstracto.core.command.execution.ContextConverter;
+import dev.sheldan.abstracto.core.commands.config.ConfigModuleDefinition;
+import dev.sheldan.abstracto.core.config.FeatureDefinition;
+import dev.sheldan.abstracto.core.models.database.ProfanityGroup;
+import dev.sheldan.abstracto.core.models.template.commands.ProfanityConfigModel;
+import dev.sheldan.abstracto.core.service.ChannelService;
+import dev.sheldan.abstracto.core.service.management.ProfanityGroupManagementService;
+import dev.sheldan.abstracto.core.templating.model.MessageToSend;
+import dev.sheldan.abstracto.core.templating.service.TemplateService;
+import dev.sheldan.abstracto.core.utils.FutureUtils;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+
+import java.util.List;
+import java.util.concurrent.CompletableFuture;
+
+@Component
+public class ShowProfanityConfig extends AbstractConditionableCommand {
+
+    public static final String SHOW_PROFANITY_CONFIG_RESPONSE_TEMPLATE_KEY = "showProfanityConfig_response";
+    @Autowired
+    private ProfanityGroupManagementService profanityGroupManagementService;
+
+    @Autowired
+    private TemplateService templateService;
+
+    @Autowired
+    private ChannelService channelService;
+
+    @Override
+    public CompletableFuture<CommandResult> executeAsync(CommandContext commandContext) {
+        ProfanityConfigModel model = (ProfanityConfigModel) ContextConverter.slimFromCommandContext(commandContext, ProfanityConfigModel.class);
+        Long serverId = commandContext.getGuild().getIdLong();
+        List<ProfanityGroup> groups = profanityGroupManagementService.getAllForServer(serverId);
+        model.setProfanityGroups(groups);
+        MessageToSend message = templateService.renderEmbedTemplate(SHOW_PROFANITY_CONFIG_RESPONSE_TEMPLATE_KEY, model, serverId);
+        return FutureUtils.toSingleFutureGeneric(channelService.sendMessageToSendToChannel(message, commandContext.getChannel()))
+                .thenApply(unused -> CommandResult.fromSuccess());
+    }
+
+    @Override
+    public CommandConfiguration getConfiguration() {
+        HelpInfo helpInfo = HelpInfo.builder().templated(true).build();
+        return CommandConfiguration.builder()
+                .name("showProfanityConfig")
+                .module(ConfigModuleDefinition.CONFIG)
+                .templated(true)
+                .async(true)
+                .supportsEmbedException(true)
+                .help(helpInfo)
+                .causesReaction(true)
+                .build();
+    }
+
+    @Override
+    public FeatureDefinition getFeature() {
+        return CoreFeatureDefinition.CORE_FEATURE;
+    }
+}

abstracto-application/core/core-impl/src/main/java/dev/sheldan/abstracto/core/config/ListenerExecutorConfig.java

@@ -82,6 +82,11 @@ public class ListenerExecutorConfig {
         return executorService.setupExecutorFor("aChannelCreatedListener");
     }
 
+    @Bean(name = "cacheClearedExecutor")
+    public TaskExecutor cacheClearedExecutor() {
+        return executorService.setupExecutorFor("cacheClearedListener");
+    }
+
     @Bean(name = "aChannelDeletedExecutor")
     public TaskExecutor aChannelDeletedExecutor() {
         return executorService.setupExecutorFor("aChannelDeletedListener");

abstracto-application/core/core-impl/src/main/java/dev/sheldan/abstracto/core/listener/ProfanityCacheClearListener.java

@@ -0,0 +1,23 @@
+package dev.sheldan.abstracto.core.listener;
+
+import dev.sheldan.abstracto.core.listener.async.entity.AsyncCacheClearingListener;
+import dev.sheldan.abstracto.core.models.listener.VoidListenerModel;
+import dev.sheldan.abstracto.core.service.ProfanityService;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+
+@Component
+@Slf4j
+public class ProfanityCacheClearListener implements AsyncCacheClearingListener {
+
+    @Autowired
+    private ProfanityService profanityService;
+
+    @Override
+    public DefaultListenerResult execute(VoidListenerModel model) {
+        log.info("Reloading regexes, because cache cleared.");
+        profanityService.reloadRegex();
+        return DefaultListenerResult.PROCESSED;
+    }
+}

abstracto-application/core/core-impl/src/main/java/dev/sheldan/abstracto/core/repository/ProfanityGroupRepository.java

@@ -0,0 +1,16 @@
+package dev.sheldan.abstracto.core.repository;
+
+import dev.sheldan.abstracto.core.models.database.AServer;
+import dev.sheldan.abstracto.core.models.database.ProfanityGroup;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+import java.util.List;
+import java.util.Optional;
+
+@Repository
+public interface ProfanityGroupRepository extends JpaRepository<ProfanityGroup, Long> {
+    Optional<ProfanityGroup> findByServerAndGroupNameIgnoreCase(AServer server, String name);
+    void deleteByServerAndGroupNameIgnoreCase(AServer server, String name);
+    List<ProfanityGroup> findByServer_Id(Long serverId);
+}

abstracto-application/core/core-impl/src/main/java/dev/sheldan/abstracto/core/repository/ProfanityRegexRepository.java

@@ -0,0 +1,14 @@
+package dev.sheldan.abstracto.core.repository;
+
+import dev.sheldan.abstracto.core.models.database.ProfanityGroup;
+import dev.sheldan.abstracto.core.models.database.ProfanityRegex;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+import java.util.Optional;
+
+@Repository
+public interface ProfanityRegexRepository extends JpaRepository<ProfanityRegex, Long> {
+    Optional<ProfanityRegex> findByGroupAndRegexNameIgnoreCase(ProfanityGroup group, String name);
+    void deleteByGroupAndRegexNameIgnoreCase(ProfanityGroup group, String name);
+}

abstracto-application/core/core-impl/src/main/java/dev/sheldan/abstracto/core/repository/RoleRepository.java

@@ -1,16 +1,9 @@
 package dev.sheldan.abstracto.core.repository;
 
 import dev.sheldan.abstracto.core.models.database.ARole;
-import org.jetbrains.annotations.NotNull;
 import org.springframework.data.jpa.repository.JpaRepository;
-import org.springframework.lang.NonNull;
 import org.springframework.stereotype.Repository;
 
-import java.util.Optional;
-
 @Repository
 public interface RoleRepository extends JpaRepository<ARole, Long> {
-    @NotNull
-    @Override
-    Optional<ARole> findById(@NonNull Long aLong);
 }

abstracto-application/core/core-impl/src/main/java/dev/sheldan/abstracto/core/repository/ServerRepository.java

@@ -1,25 +1,10 @@
 package dev.sheldan.abstracto.core.repository;
 
 import dev.sheldan.abstracto.core.models.database.AServer;
-import org.jetbrains.annotations.NotNull;
 import org.springframework.data.jpa.repository.JpaRepository;
-import org.springframework.lang.NonNull;
 import org.springframework.stereotype.Repository;
 
-import java.util.List;
-import java.util.Optional;
-
 @Repository
 public interface ServerRepository extends JpaRepository<AServer, Long> {
 
-    @NotNull
-    @Override
-    Optional<AServer> findById(@NonNull Long aLong);
-
-    @Override
-    boolean existsById(@NonNull Long aLong);
-
-    @NotNull
-    @Override
-    List<AServer> findAll();
 }

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

@@ -1,20 +1,35 @@
 package dev.sheldan.abstracto.core.service;
 
-import dev.sheldan.abstracto.core.templating.service.TemplateService;
+import dev.sheldan.abstracto.core.listener.ListenerService;
+import dev.sheldan.abstracto.core.listener.async.entity.AsyncCacheClearingListener;
+import dev.sheldan.abstracto.core.models.listener.VoidListenerModel;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Qualifier;
+import org.springframework.core.task.TaskExecutor;
 import org.springframework.stereotype.Component;
 
+import java.util.List;
 
 @Component
 @Slf4j
 public class CacheServiceBean {
 
+    @Autowired(required = false)
+    private List<AsyncCacheClearingListener> listeners;
+
     @Autowired
-    private TemplateService templateService;
+    private ListenerService listenerService;
+
+    @Autowired
+    @Qualifier("cacheClearedExecutor")
+    private TaskExecutor cacheClearedExecutor;
 
     public void clearCaches() {
-        log.info("Clearing all caches.");
-        templateService.clearCache();
+        if(listeners == null) return;
+        log.info("Executing {} cache cleared listeners.", listeners.size());
+        VoidListenerModel model = VoidListenerModel.builder().build();
+        listeners.forEach(asyncCacheClearingListener ->
+                listenerService.executeListener(asyncCacheClearingListener, model, cacheClearedExecutor));
     }
 }

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

@@ -0,0 +1,174 @@
+package dev.sheldan.abstracto.core.service;
+
+import dev.sheldan.abstracto.core.exception.ProfanityGroupExistsException;
+import dev.sheldan.abstracto.core.exception.ProfanityRegexExistsException;
+import dev.sheldan.abstracto.core.exception.ProfanityRegexNotFoundException;
+import dev.sheldan.abstracto.core.models.database.AServer;
+import dev.sheldan.abstracto.core.models.database.ProfanityGroup;
+import dev.sheldan.abstracto.core.models.database.ProfanityRegex;
+import dev.sheldan.abstracto.core.service.management.ProfanityGroupManagementService;
+import dev.sheldan.abstracto.core.service.management.ProfanityRegexManagementService;
+import dev.sheldan.abstracto.core.service.management.ServerManagementService;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+
+import java.util.*;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+@Component
+@Slf4j
+public class ProfanityServiceBean implements ProfanityService {
+
+    @Autowired
+    private ProfanityGroupManagementService profanityGroupManagementService;
+
+    @Autowired
+    private ProfanityRegexManagementService profanityRegexManagementService;
+
+    @Autowired
+    private ServerManagementService serverManagementService;
+
+    private Map<Long, List<PatternReplacement>> regex = new HashMap<>();
+
+    @Override
+    public String replaceProfanities(String input, Long serverId) {
+        return replaceProfanitiesWithDefault(input, serverId, "");
+    }
+
+    @Override
+    public String replaceProfanities(String input, Long serverId, String replacement) {
+        if(regex.containsKey(serverId)) {
+            List<PatternReplacement> regexes = regex.get(serverId);
+            log.trace("Checking {} regexes for server {} with static replacement.", regexes.size(), serverId);
+            for (PatternReplacement pattern: regexes) {
+                Matcher matcher = pattern.getPattern().matcher(input);
+                input = matcher.replaceAll(replacement);
+            }
+        }
+        return input;
+    }
+
+    @Override
+    public String replaceProfanitiesWithDefault(String input, Long serverId, String defaultReplacement) {
+        if(regex.containsKey(serverId)) {
+            List<PatternReplacement> regexes = regex.get(serverId);
+            log.trace("Checking {} regexes for server {} with dynamic replacement.", regexes.size(), serverId);
+            for (PatternReplacement pattern: regexes) {
+                Matcher matcher = pattern.getPattern().matcher(input);
+                String replacement = pattern.getReplacement() != null ? pattern.getReplacement() : defaultReplacement;
+                input = matcher.replaceAll(replacement);
+            }
+        }
+        return input;
+    }
+
+    @Override
+    public boolean containsProfanity(String input, Long serverId) {
+        if(regex.containsKey(serverId)) {
+            List<PatternReplacement> regexes = regex.get(serverId);
+            log.trace("Checking existence of {} regexes for server {}.", regexes.size(), serverId);
+            for (PatternReplacement pattern: regexes) {
+                Matcher matcher = pattern.getPattern().matcher(input);
+                if(matcher.matches()) {
+                    return true;
+                }
+            }
+        }
+        return false;
+    }
+
+    @Override
+    public ProfanityGroup createProfanityGroup(Long serverId, String profanityGroupName) {
+        AServer server = serverManagementService.loadServer(serverId);
+        if(profanityGroupManagementService.doesProfanityGroupExist(server, profanityGroupName)) {
+            throw new ProfanityGroupExistsException();
+        }
+        return profanityGroupManagementService.createProfanityGroup(server, profanityGroupName);
+    }
+
+    @Override
+    public void deleteProfanityGroup(Long serverId, String profanityGroupName) {
+        AServer server = serverManagementService.loadServer(serverId);
+        profanityGroupManagementService.deleteProfanityGroup(server, profanityGroupName);
+        this.reloadRegex(serverId);
+    }
+
+    @Override
+    public void deleteProfanityRegex(Long serverId, String profanityGroupName, String profanityRegexName) {
+        AServer server = serverManagementService.loadServer(serverId);
+        ProfanityGroup group = profanityGroupManagementService.getProfanityGroup(server, profanityGroupName);
+        Optional<ProfanityRegex> profanityRegexOptional = profanityRegexManagementService.getProfanityRegexOptional(group, profanityRegexName);
+        if(!profanityRegexOptional.isPresent()) {
+            throw new ProfanityRegexNotFoundException();
+        }
+        profanityRegexManagementService.deleteProfanityRegex(profanityRegexOptional.get());
+        this.reloadRegex(serverId);
+    }
+
+    @Override
+    public ProfanityRegex createProfanityRegex(Long serverId, String profanityGroupName, String profanityRegexName, String regex) {
+        return createProfanityRegex(serverId, profanityGroupName, profanityRegexName, regex, null);
+    }
+
+    @Override
+    public ProfanityRegex createProfanityRegex(Long serverId, String profanityGroupName, String profanityRegexName, String regex, String replacement) {
+        AServer server = serverManagementService.loadServer(serverId);
+        ProfanityGroup group = profanityGroupManagementService.getProfanityGroup(server, profanityGroupName);
+        if(profanityRegexManagementService.doesProfanityRegexExist(group, profanityRegexName)) {
+            throw new ProfanityRegexExistsException();
+        }
+        ProfanityRegex created = profanityRegexManagementService.createProfanityRegex(group, profanityRegexName, regex, replacement);
+        this.reloadRegex(serverId);
+        return created;
+    }
+
+    @Override
+    public void reloadRegex() {
+        log.info("Reloading regex for all servers.");
+        regex = new HashMap<>();
+        List<ProfanityGroup> allGroups = profanityGroupManagementService.getAllGroups();
+        allGroups.forEach(profanityGroup -> profanityGroup.getProfanities().forEach(profanityRegex -> {
+            Pattern pattern = Pattern.compile(profanityRegex.getRegex());
+            List<PatternReplacement> newPatterns = new ArrayList<>();
+            Long serverId = profanityGroup.getServer().getId();
+            if(regex.containsKey(serverId)) {
+                regex.get(serverId).add(PatternReplacement.builder().pattern(pattern).replacement(profanityRegex.getReplacement()).build());
+            } else {
+                newPatterns.add(PatternReplacement.builder().pattern(pattern).replacement(profanityRegex.getReplacement()).build());
+                regex.put(serverId, newPatterns);
+            }
+        }));
+    }
+
+    @Override
+    public void reloadRegex(Long serverId) {
+        log.info("Reloading regex for server {}.", serverId);
+        if(regex == null) {
+            regex = new HashMap<>();
+        }
+        regex.remove(serverId);
+        List<ProfanityGroup> allGroups = profanityGroupManagementService.getAllForServer(serverId);
+        allGroups.forEach(profanityGroup -> profanityGroup.getProfanities().forEach(profanityRegex -> {
+            Pattern pattern = Pattern.compile(profanityRegex.getRegex());
+            List<PatternReplacement> newPatterns = new ArrayList<>();
+            if(regex.containsKey(serverId)) {
+                regex.get(serverId).add(PatternReplacement.builder().pattern(pattern).replacement(profanityRegex.getReplacement()).build());
+            } else {
+                newPatterns.add(PatternReplacement.builder().pattern(pattern).replacement(profanityRegex.getReplacement()).build());
+                regex.put(serverId, newPatterns);
+            }
+        }));
+    }
+
+
+    @Getter
+    @Builder
+    private static class PatternReplacement {
+        private final Pattern pattern;
+        private final String replacement;
+    }
+}

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

@@ -52,6 +52,9 @@ public class StartupServiceBean implements Startup {
     @Autowired
     private CommandInServerManagementService commandInServerManagementService;
 
+    @Autowired
+    private ProfanityService profanityService;
+
     @Override
     public void startBot() throws LoginException {
         service.login();
@@ -64,6 +67,7 @@ public class StartupServiceBean implements Startup {
         log.info("Synchronizing servers.");
         synchronizeServers();
         log.info("Done synchronizing servers");
+        profanityService.reloadRegex();
     }
 
     private void synchronizeServers(){

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

@@ -0,0 +1,66 @@
+package dev.sheldan.abstracto.core.service.management;
+
+import dev.sheldan.abstracto.core.exception.ProfanityGroupNotFoundException;
+import dev.sheldan.abstracto.core.models.database.AServer;
+import dev.sheldan.abstracto.core.models.database.ProfanityGroup;
+import dev.sheldan.abstracto.core.repository.ProfanityGroupRepository;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+
+import java.util.List;
+import java.util.Optional;
+
+@Component
+@Slf4j
+public class ProfanityGroupManagementServiceBean implements ProfanityGroupManagementService {
+
+    @Autowired
+    private ProfanityGroupRepository repository;
+
+    @Override
+    public List<ProfanityGroup> getAllGroups() {
+        return repository.findAll();
+    }
+
+    @Override
+    public List<ProfanityGroup> getAllForServer(Long serverId) {
+        return repository.findByServer_Id(serverId);
+    }
+
+    @Override
+    public ProfanityGroup createProfanityGroup(AServer server, String name) {
+        ProfanityGroup profanityGroup = ProfanityGroup
+                .builder()
+                .groupName(name)
+                .server(server)
+                .build();
+        log.info("Creating profanity group in server {}.", server.getId());
+        return repository.save(profanityGroup);
+    }
+
+    @Override
+    public boolean doesProfanityGroupExist(AServer server, String name) {
+        return getProfanityGroupOptional(server, name).isPresent();
+    }
+
+    @Override
+    public Optional<ProfanityGroup> getProfanityGroupOptional(AServer server, String name) {
+        return repository.findByServerAndGroupNameIgnoreCase(server, name);
+    }
+
+    @Override
+    public ProfanityGroup getProfanityGroup(AServer server, String name) {
+        return getProfanityGroupOptional(server, name).orElseThrow(ProfanityGroupNotFoundException::new);
+    }
+
+    @Override
+    public void deleteProfanityGroup(ProfanityGroup profanityGroup) {
+        repository.delete(profanityGroup);
+    }
+
+    @Override
+    public void deleteProfanityGroup(AServer server, String name) {
+        repository.deleteByServerAndGroupNameIgnoreCase(server, name);
+    }
+}

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

@@ -0,0 +1,57 @@
+package dev.sheldan.abstracto.core.service.management;
+
+import dev.sheldan.abstracto.core.models.database.ProfanityGroup;
+import dev.sheldan.abstracto.core.models.database.ProfanityRegex;
+import dev.sheldan.abstracto.core.repository.ProfanityRegexRepository;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+
+import java.util.Optional;
+
+@Component
+@Slf4j
+public class ProfanityRegexManagementServiceBean  implements ProfanityRegexManagementService {
+    @Autowired
+    private ProfanityRegexRepository repository;
+
+    @Override
+    public ProfanityRegex createProfanityRegex(ProfanityGroup profanityGroup, String name, String regex, String replacement) {
+        ProfanityRegex creatingRegex = ProfanityRegex
+                .builder()
+                .regex(regex)
+                .regexName(name)
+                .group(profanityGroup)
+                .replacement(replacement)
+                .build();
+        log.info("Creating profanity regex for server {} in group {}.", profanityGroup.getServer().getId(), profanityGroup.getId());
+        return repository.save(creatingRegex);
+    }
+
+    @Override
+    public ProfanityRegex createProfanityRegex(ProfanityGroup profanityGroup, String name, String regex) {
+        return createProfanityRegex(profanityGroup, name, regex, null);
+    }
+
+    @Override
+    public void deleteProfanityRegex(ProfanityRegex profanityRegex) {
+        profanityRegex.getGroup().getProfanities().remove(profanityRegex);
+        profanityRegex.setGroup(null);
+    }
+
+    @Override
+    public void deleteProfanityRegex(ProfanityGroup group, String profanityName) {
+        log.info("Deleting profanity regex for group {} in server {}.", group.getId(), group.getServer().getId());
+        repository.deleteByGroupAndRegexNameIgnoreCase(group, profanityName);
+    }
+
+    @Override
+    public boolean doesProfanityRegexExist(ProfanityGroup profanityGroup, String name) {
+        return getProfanityRegexOptional(profanityGroup, name).isPresent();
+    }
+
+    @Override
+    public Optional<ProfanityRegex> getProfanityRegexOptional(ProfanityGroup profanityGroup, String name) {
+        return repository.findByGroupAndRegexNameIgnoreCase(profanityGroup, name);
+    }
+}

abstracto-application/core/core-impl/src/main/java/dev/sheldan/abstracto/core/templating/listener/TemplateCacheListener.java

@@ -0,0 +1,24 @@
+package dev.sheldan.abstracto.core.templating.listener;
+
+import dev.sheldan.abstracto.core.listener.DefaultListenerResult;
+import dev.sheldan.abstracto.core.listener.async.entity.AsyncCacheClearingListener;
+import dev.sheldan.abstracto.core.models.listener.VoidListenerModel;
+import dev.sheldan.abstracto.core.templating.service.TemplateService;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+
+@Component
+@Slf4j
+public class TemplateCacheListener implements AsyncCacheClearingListener {
+
+    @Autowired
+    private TemplateService templateService;
+
+    @Override
+    public DefaultListenerResult execute(VoidListenerModel model) {
+        log.info("Clearing freemarker caches.");
+        templateService.clearCache();
+        return DefaultListenerResult.PROCESSED;
+    }
+}

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

@@ -148,7 +148,7 @@ public class TemplateServiceBean implements TemplateService {
         }
         Long messageLimit = 100L;
         if(serverContext.getServerId() != null) {
-            messageLimit = Math.min(messageLimit, configService.getLongValue(CoreFeatureConfig.MAX_MESSAGES_KEY, serverContext.getServerId()));
+            messageLimit = Math.min(messageLimit, configService.getLongValueOrConfigDefault(CoreFeatureConfig.MAX_MESSAGES_KEY, serverContext.getServerId()));
         }
         if(embedConfiguration.getMessageLimit() != null) {
             messageLimit = Math.min(messageLimit, embedConfiguration.getMessageLimit());

abstracto-application/core/core-impl/src/main/resources/migrations/1.2.7-core/collection.xml

@@ -0,0 +1,11 @@
+<?xml version="1.1" encoding="UTF-8" standalone="no"?>
+<databaseChangeLog xmlns="http://www.liquibase.org/xml/ns/dbchangelog"
+                   xmlns:ext="http://www.liquibase.org/xml/ns/dbchangelog-ext"
+                   xmlns:pro="http://www.liquibase.org/xml/ns/pro"
+                   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+                   xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog ../dbchangelog-3.8.xsd
+    http://www.liquibase.org/xml/ns/dbchangelog-ext ../dbchangelog-3.8.xsd
+    http://www.liquibase.org/xml/ns/pro ../dbchangelog-3.8.xsd" >
+    <include file="core-tables/tables.xml" relativeToChangelogFile="true"/>
+    <include file="core-seedData/data.xml" relativeToChangelogFile="true"/>
+</databaseChangeLog>

abstracto-application/core/core-impl/src/main/resources/migrations/1.2.7-core/core-seedData/command.xml

@@ -0,0 +1,38 @@
+<?xml version="1.1" encoding="UTF-8" standalone="no"?>
+<databaseChangeLog xmlns="http://www.liquibase.org/xml/ns/dbchangelog"
+                   xmlns:ext="http://www.liquibase.org/xml/ns/dbchangelog-ext"
+                   xmlns:pro="http://www.liquibase.org/xml/ns/pro"
+                   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+                   xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog ../../dbchangelog-3.8.xsd
+    http://www.liquibase.org/xml/ns/dbchangelog-ext ../../dbchangelog-3.8.xsd
+    http://www.liquibase.org/xml/ns/pro ../../dbchangelog-3.8.xsd" >
+    <property name="coreFeature" value="(SELECT id FROM feature WHERE key = 'core')"/>
+    <property name="configModule" value="(SELECT id FROM module WHERE name = 'config')"/>
+    <changeSet author="Sheldan" id="profanity-commands" >
+        <insert tableName="command">
+            <column name="name" value="createProfanityGroup"/>
+            <column name="module_id" valueComputed="${configModule}"/>
+            <column name="feature_id" valueComputed="${coreFeature}"/>
+        </insert>
+        <insert tableName="command">
+            <column name="name" value="addProfanityRegex"/>
+            <column name="module_id" valueComputed="${configModule}"/>
+            <column name="feature_id" valueComputed="${coreFeature}"/>
+        </insert>
+        <insert tableName="command">
+            <column name="name" value="showProfanityConfig"/>
+            <column name="module_id" valueComputed="${configModule}"/>
+            <column name="feature_id" valueComputed="${coreFeature}"/>
+        </insert>
+        <insert tableName="command">
+            <column name="name" value="deleteProfanityRegex"/>
+            <column name="module_id" valueComputed="${configModule}"/>
+            <column name="feature_id" valueComputed="${coreFeature}"/>
+        </insert>
+        <insert tableName="command">
+            <column name="name" value="deleteProfanityGroup"/>
+            <column name="module_id" valueComputed="${configModule}"/>
+            <column name="feature_id" valueComputed="${coreFeature}"/>
+        </insert>
+    </changeSet>
+</databaseChangeLog>

abstracto-application/core/core-impl/src/main/resources/migrations/1.2.7-core/core-seedData/data.xml

@@ -0,0 +1,10 @@
+<?xml version="1.1" encoding="UTF-8" standalone="no"?>
+<databaseChangeLog xmlns="http://www.liquibase.org/xml/ns/dbchangelog"
+                   xmlns:ext="http://www.liquibase.org/xml/ns/dbchangelog-ext"
+                   xmlns:pro="http://www.liquibase.org/xml/ns/pro"
+                   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+                   xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog ../../dbchangelog-3.8.xsd
+    http://www.liquibase.org/xml/ns/dbchangelog-ext ../../dbchangelog-3.8.xsd
+    http://www.liquibase.org/xml/ns/pro ../../dbchangelog-3.8.xsd" >
+    <include file="command.xml" relativeToChangelogFile="true"/>
+</databaseChangeLog>

abstracto-application/core/core-impl/src/main/resources/migrations/1.2.7-core/core-tables/profanity_group.xml

@@ -0,0 +1,31 @@
+<?xml version="1.1" encoding="UTF-8" standalone="no"?>
+<databaseChangeLog xmlns="http://www.liquibase.org/xml/ns/dbchangelog"
+                   xmlns:ext="http://www.liquibase.org/xml/ns/dbchangelog-ext"
+                   xmlns:pro="http://www.liquibase.org/xml/ns/pro"
+                   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+                   xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog ../../dbchangelog-3.8.xsd
+    http://www.liquibase.org/xml/ns/dbchangelog-ext ../../dbchangelog-3.8.xsd
+    http://www.liquibase.org/xml/ns/pro ../../dbchangelog-3.8.xsd" >
+    <changeSet author="Sheldan" id="profanity_group-table">
+        <createTable tableName="profanity_group">
+            <column autoIncrement="true" name="id" type="BIGINT">
+                <constraints nullable="false" primaryKey="true" primaryKeyName="pk_profanity_group"/>
+            </column>
+            <column name="name" type="VARCHAR(255)">
+                <constraints nullable="false"/>
+            </column>
+            <column name="created" type="TIMESTAMP WITHOUT TIME ZONE">
+                <constraints nullable="true"/>
+            </column>
+            <column name="server_id" type="BIGINT">
+                <constraints nullable="false"/>
+            </column>
+        </createTable>
+        <addForeignKeyConstraint baseColumnNames="server_id" baseTableName="profanity_group" constraintName="fk_profanity_group_server" deferrable="false" initiallyDeferred="false" onDelete="NO ACTION" onUpdate="NO ACTION" referencedColumnNames="id" referencedTableName="server" validate="true"/>
+        <sql>
+            DROP TRIGGER IF EXISTS profanity_group_insert_trigger ON profanity_group;
+            CREATE TRIGGER profanity_group_insert_trigger BEFORE INSERT ON profanity_group FOR EACH ROW EXECUTE PROCEDURE insert_trigger_procedure();
+        </sql>
+    </changeSet>
+
+</databaseChangeLog>

abstracto-application/core/core-impl/src/main/resources/migrations/1.2.7-core/core-tables/profanity_regex.xml

@@ -0,0 +1,35 @@
+<?xml version="1.1" encoding="UTF-8" standalone="no"?>
+<databaseChangeLog xmlns="http://www.liquibase.org/xml/ns/dbchangelog"
+                   xmlns:ext="http://www.liquibase.org/xml/ns/dbchangelog-ext"
+                   xmlns:pro="http://www.liquibase.org/xml/ns/pro"
+                   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+                   xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog ../../dbchangelog-3.8.xsd
+    http://www.liquibase.org/xml/ns/dbchangelog-ext ../../dbchangelog-3.8.xsd
+    http://www.liquibase.org/xml/ns/pro ../../dbchangelog-3.8.xsd" >
+    <changeSet author="Sheldan" id="profanity_regex-table">
+        <createTable tableName="profanity_regex">
+            <column autoIncrement="true" name="id" type="BIGINT">
+                <constraints nullable="false" primaryKey="true" primaryKeyName="pk_profanity_regex"/>
+            </column>
+            <column name="name" type="VARCHAR(255)">
+                <constraints nullable="false"/>
+            </column>
+            <column name="regex" type="VARCHAR(255)">
+                <constraints nullable="false"/>
+            </column>
+            <column name="replacement" type="VARCHAR(255)" />
+            <column name="created" type="TIMESTAMP WITHOUT TIME ZONE">
+                <constraints nullable="true"/>
+            </column>
+            <column name="profanity_group_id" type="BIGINT">
+                <constraints nullable="false"/>
+            </column>
+        </createTable>
+        <addForeignKeyConstraint baseColumnNames="profanity_group_id" baseTableName="profanity_regex" constraintName="fk_profanity_regex_group" deferrable="false" initiallyDeferred="false" onDelete="NO ACTION" onUpdate="NO ACTION" referencedColumnNames="id" referencedTableName="profanity_group" validate="true"/>
+        <sql>
+            DROP TRIGGER IF EXISTS profanity_regex_insert_trigger ON profanity_regex;
+            CREATE TRIGGER profanity_regex_insert_trigger BEFORE INSERT ON profanity_regex FOR EACH ROW EXECUTE PROCEDURE insert_trigger_procedure();
+        </sql>
+    </changeSet>
+
+</databaseChangeLog>

abstracto-application/core/core-impl/src/main/resources/migrations/1.2.7-core/core-tables/tables.xml

@@ -0,0 +1,11 @@
+<?xml version="1.1" encoding="UTF-8" standalone="no"?>
+<databaseChangeLog xmlns="http://www.liquibase.org/xml/ns/dbchangelog"
+                   xmlns:ext="http://www.liquibase.org/xml/ns/dbchangelog-ext"
+                   xmlns:pro="http://www.liquibase.org/xml/ns/pro"
+                   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+                   xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog ../../dbchangelog-3.8.xsd
+    http://www.liquibase.org/xml/ns/dbchangelog-ext ../../dbchangelog-3.8.xsd
+    http://www.liquibase.org/xml/ns/pro ../../dbchangelog-3.8.xsd" >
+    <include file="profanity_group.xml" relativeToChangelogFile="true"/>
+    <include file="profanity_regex.xml" relativeToChangelogFile="true"/>
+</databaseChangeLog>

abstracto-application/core/core-impl/src/main/resources/migrations/core-changeLog.xml

@@ -11,4 +11,5 @@
     <include file="1.1-core/collection.xml" relativeToChangelogFile="true"/>
     <include file="1.2-core/collection.xml" relativeToChangelogFile="true"/>
     <include file="1.2.5-core/collection.xml" relativeToChangelogFile="true"/>
+    <include file="1.2.7-core/collection.xml" relativeToChangelogFile="true"/>
 </databaseChangeLog>

abstracto-application/core/core-impl/src/test/java/dev/sheldan/abstracto/core/service/ProfanityServiceTest.java

@@ -0,0 +1,167 @@
+package dev.sheldan.abstracto.core.service;
+
+import dev.sheldan.abstracto.core.models.database.AServer;
+import dev.sheldan.abstracto.core.models.database.ProfanityGroup;
+import dev.sheldan.abstracto.core.models.database.ProfanityRegex;
+import dev.sheldan.abstracto.core.service.management.ProfanityGroupManagementService;
+import org.junit.Assert;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.InjectMocks;
+import org.mockito.Mock;
+import org.mockito.Mockito;
+import org.mockito.junit.MockitoJUnitRunner;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+
+import static org.mockito.Mockito.when;
+
+@RunWith(MockitoJUnitRunner.class)
+public class ProfanityServiceTest {
+    @InjectMocks
+    private ProfanityServiceBean testUnit;
+
+    @Mock
+    private ProfanityGroupManagementService profanityGroupManagementService;
+
+    @Mock
+    private ProfanityGroup group;
+
+    @Mock
+    private ProfanityRegex regex;
+
+    @Mock
+    private AServer server;
+
+    private final static String INPUT = "input";
+    private final static String REPLACEMENT = "repl";
+
+    private static final Long SERVER_ID = 4L;
+
+    @Test
+    public void testEmptyConfig() {
+        when(profanityGroupManagementService.getAllGroups()).thenReturn(new ArrayList<>());
+        testUnit.reloadRegex();
+        String result = testUnit.replaceProfanitiesWithDefault(INPUT, SERVER_ID, REPLACEMENT);
+        Assert.assertEquals(INPUT, result);
+    }
+
+    @Test
+    public void testOneGroupNoRegex() {
+        when(profanityGroupManagementService.getAllGroups()).thenReturn(Arrays.asList(group));
+        testUnit.reloadRegex();
+        String result = testUnit.replaceProfanitiesWithDefault(INPUT, SERVER_ID, REPLACEMENT);
+        Assert.assertEquals(INPUT, result);
+    }
+
+    @Test
+    public void testOneGroupWithOneRegexNotMatching() {
+        when(profanityGroupManagementService.getAllGroups()).thenReturn(Arrays.asList(group));
+        when(group.getServer()).thenReturn(server);
+        when(server.getId()).thenReturn(SERVER_ID);
+        when(group.getProfanities()).thenReturn(Arrays.asList(regex));
+        when(regex.getRegex()).thenReturn("a");
+        testUnit.reloadRegex();
+        String result = testUnit.replaceProfanitiesWithDefault(INPUT, SERVER_ID, REPLACEMENT);
+        Assert.assertEquals(INPUT, result);
+    }
+
+    @Test
+    public void testOneGroupWithOneRegexMatching() {
+        when(profanityGroupManagementService.getAllGroups()).thenReturn(Arrays.asList(group));
+        when(group.getServer()).thenReturn(server);
+        when(server.getId()).thenReturn(SERVER_ID);
+        when(group.getProfanities()).thenReturn(Arrays.asList(regex));
+        when(regex.getRegex()).thenReturn("input");
+        testUnit.reloadRegex();
+        String result = testUnit.replaceProfanitiesWithDefault(INPUT, SERVER_ID, REPLACEMENT);
+        Assert.assertEquals(REPLACEMENT, result);
+    }
+
+    @Test
+    public void testOneGroupWithOneRegexMatchingDefinedReplacement() {
+        when(profanityGroupManagementService.getAllGroups()).thenReturn(Arrays.asList(group));
+        when(group.getServer()).thenReturn(server);
+        when(server.getId()).thenReturn(SERVER_ID);
+        when(group.getProfanities()).thenReturn(Arrays.asList(regex));
+        when(regex.getRegex()).thenReturn("input");
+        when(regex.getReplacement()).thenReturn(REPLACEMENT);
+        testUnit.reloadRegex();
+        String result = testUnit.replaceProfanitiesWithDefault(INPUT, SERVER_ID, "");
+        Assert.assertEquals(REPLACEMENT, result);
+    }
+
+    @Test
+    public void testOneGroupWithTwoRegexOneMatching() {
+        when(profanityGroupManagementService.getAllGroups()).thenReturn(Arrays.asList(group));
+        when(group.getServer()).thenReturn(server);
+        when(server.getId()).thenReturn(SERVER_ID);
+        ProfanityRegex regex2 = Mockito.mock(ProfanityRegex.class);
+        when(regex2.getRegex()).thenReturn("asdf");
+        when(group.getProfanities()).thenReturn(Arrays.asList(regex, regex2));
+        when(regex.getRegex()).thenReturn("input");
+        when(regex.getReplacement()).thenReturn(REPLACEMENT);
+        testUnit.reloadRegex();
+        String result = testUnit.replaceProfanitiesWithDefault(INPUT, SERVER_ID, "");
+        Assert.assertEquals(REPLACEMENT, result);
+    }
+
+    /**
+     * This scenario is not desired, generally, the outputs should be independent, because the user cannot define the order in which
+     * the regexes are applied
+     */
+    @Test
+    public void testOneGroupWithTwoRegexBothMatching() {
+        when(profanityGroupManagementService.getAllGroups()).thenReturn(Arrays.asList(group));
+        when(group.getServer()).thenReturn(server);
+        when(server.getId()).thenReturn(SERVER_ID);
+        ProfanityRegex regex2 = Mockito.mock(ProfanityRegex.class);
+        when(regex2.getRegex()).thenReturn(REPLACEMENT);
+        String finalString = "FINAL";
+        when(regex2.getReplacement()).thenReturn(finalString);
+        when(group.getProfanities()).thenReturn(Arrays.asList(regex, regex2));
+        when(regex.getRegex()).thenReturn("input");
+        when(regex.getReplacement()).thenReturn(REPLACEMENT);
+        testUnit.reloadRegex();
+        String result = testUnit.replaceProfanitiesWithDefault(INPUT, SERVER_ID, "");
+        Assert.assertEquals(finalString, result);
+    }
+
+    @Test
+    public void testOneGroupWithOneRegexMatchingAndFixReplacement() {
+        when(profanityGroupManagementService.getAllGroups()).thenReturn(Arrays.asList(group));
+        when(group.getServer()).thenReturn(server);
+        when(server.getId()).thenReturn(SERVER_ID);
+        when(group.getProfanities()).thenReturn(Arrays.asList(regex));
+        when(regex.getRegex()).thenReturn("input");
+        testUnit.reloadRegex();
+        String result = testUnit.replaceProfanities(INPUT, SERVER_ID, REPLACEMENT);
+        Assert.assertEquals(REPLACEMENT, result);
+    }
+
+    @Test
+    public void testOneGroupWithOneRegexMatchingNoProvidedReplacement() {
+        when(profanityGroupManagementService.getAllGroups()).thenReturn(Arrays.asList(group));
+        when(group.getServer()).thenReturn(server);
+        when(server.getId()).thenReturn(SERVER_ID);
+        when(group.getProfanities()).thenReturn(Arrays.asList(regex));
+        when(regex.getRegex()).thenReturn("input");
+        when(regex.getReplacement()).thenReturn(REPLACEMENT);
+        testUnit.reloadRegex();
+        String result = testUnit.replaceProfanities(INPUT, SERVER_ID);
+        Assert.assertEquals(REPLACEMENT, result);
+    }
+
+    @Test
+    public void testOneGroupWithOneRegexMatchingUsingProvidedReplacement() {
+        when(profanityGroupManagementService.getAllGroups()).thenReturn(Arrays.asList(group));
+        when(group.getServer()).thenReturn(server);
+        when(server.getId()).thenReturn(SERVER_ID);
+        when(group.getProfanities()).thenReturn(Arrays.asList(regex));
+        when(regex.getRegex()).thenReturn("input");
+        testUnit.reloadRegex();
+        String result = testUnit.replaceProfanities(INPUT, SERVER_ID);
+        Assert.assertEquals("", result);
+    }
+}

abstracto-application/core/core-impl/src/test/java/dev/sheldan/abstracto/core/templating/service/TemplateServiceBeanTest.java

@@ -79,7 +79,7 @@ public class TemplateServiceBeanTest {
 
     private void setupServerAware() {
         when(serverContext.getServerId()).thenReturn(SERVER_ID);
-        when(configService.getLongValue(CoreFeatureConfig.MAX_MESSAGES_KEY, SERVER_ID)).thenReturn(5L);
+        when(configService.getLongValueOrConfigDefault(CoreFeatureConfig.MAX_MESSAGES_KEY, SERVER_ID)).thenReturn(5L);
     }
 
     @Test
@@ -95,7 +95,7 @@ public class TemplateServiceBeanTest {
     public void testRenderTooLongAdditionalMessage() throws IOException, TemplateException {
         when(serverContext.getServerId()).thenReturn(SERVER_ID);
         String additionalMessage = RandomStringUtils.randomAlphabetic(3500);
-        when(configService.getLongValue(CoreFeatureConfig.MAX_MESSAGES_KEY, SERVER_ID)).thenReturn(5L);
+        when(configService.getLongValueOrConfigDefault(CoreFeatureConfig.MAX_MESSAGES_KEY, SERVER_ID)).thenReturn(5L);
         String templateContent = String.format("{ \"additionalMessage\": \"%s\"}", additionalMessage);
         EmbedConfiguration config = Mockito.mock(EmbedConfiguration.class);
         when(config.getAdditionalMessageLengthLimit()).thenReturn(2000L);
@@ -113,7 +113,7 @@ public class TemplateServiceBeanTest {
     public void testRenderEmbedWithMessageLimit() throws IOException, TemplateException {
         when(serverContext.getServerId()).thenReturn(SERVER_ID);
         String additionalMessage = RandomStringUtils.randomAlphabetic(3500);
-        when(configService.getLongValue(CoreFeatureConfig.MAX_MESSAGES_KEY, SERVER_ID)).thenReturn(5L);
+        when(configService.getLongValueOrConfigDefault(CoreFeatureConfig.MAX_MESSAGES_KEY, SERVER_ID)).thenReturn(5L);
         String templateContent = String.format("{ \"additionalMessage\": \"%s\", \"messageLimit\": 1}", additionalMessage);
         EmbedConfiguration config = Mockito.mock(EmbedConfiguration.class);
         when(config.getAdditionalMessageLengthLimit()).thenReturn(2000L);
@@ -130,7 +130,7 @@ public class TemplateServiceBeanTest {
     public void testRenderTooLongMultipleAdditionalMessages() throws IOException, TemplateException {
         when(serverContext.getServerId()).thenReturn(SERVER_ID);
         String additionalMessage = RandomStringUtils.randomAlphabetic(3500);
-        when(configService.getLongValue(CoreFeatureConfig.MAX_MESSAGES_KEY, SERVER_ID)).thenReturn(5L);
+        when(configService.getLongValueOrConfigDefault(CoreFeatureConfig.MAX_MESSAGES_KEY, SERVER_ID)).thenReturn(5L);
         String templateContent = String.format("{ \"additionalMessage\": \"%s\"}", additionalMessage);
         EmbedConfiguration config = Mockito.mock(EmbedConfiguration.class);
         when(config.getAdditionalMessageLengthLimit()).thenReturn(500L);
@@ -228,7 +228,7 @@ public class TemplateServiceBeanTest {
     public void testEmbedWithTooLongFieldNoSpace() throws IOException, TemplateException {
         when(serverContext.getServerId()).thenReturn(SERVER_ID);
         String fieldValue = RandomStringUtils.randomAlphabetic(1500);
-        when(configService.getLongValue(CoreFeatureConfig.MAX_MESSAGES_KEY, SERVER_ID)).thenReturn(5L);
+        when(configService.getLongValueOrConfigDefault(CoreFeatureConfig.MAX_MESSAGES_KEY, SERVER_ID)).thenReturn(5L);
         when(configuration.getTemplate(getEmbedTemplateKey(), null, SERVER_ID, null, true, false)).thenReturn(getEmbedTemplateWithTooLongField(fieldValue));
         when(gson.fromJson(getSingleFieldWithValue(fieldValue), EmbedConfiguration.class)).thenReturn(getEmbedWithSingleFieldOfValue(fieldValue));
         MessageToSend messageToSend = templateServiceBean.renderEmbedTemplate(TEMPLATE_KEY, new HashMap<>());

abstracto-application/core/core-int/src/main/java/dev/sheldan/abstracto/core/exception/ProfanityGroupExistsException.java

@@ -0,0 +1,15 @@
+package dev.sheldan.abstracto.core.exception;
+
+import dev.sheldan.abstracto.core.templating.Templatable;
+
+public class ProfanityGroupExistsException extends AbstractoRunTimeException implements Templatable {
+    @Override
+    public String getTemplateName() {
+        return "profanity_group_exists_exception";
+    }
+
+    @Override
+    public Object getTemplateModel() {
+        return new Object();
+    }
+}

abstracto-application/core/core-int/src/main/java/dev/sheldan/abstracto/core/exception/ProfanityGroupNotFoundException.java

@@ -0,0 +1,15 @@
+package dev.sheldan.abstracto.core.exception;
+
+import dev.sheldan.abstracto.core.templating.Templatable;
+
+public class ProfanityGroupNotFoundException extends AbstractoRunTimeException implements Templatable {
+    @Override
+    public String getTemplateName() {
+        return "profanity_group_not_found_exception";
+    }
+
+    @Override
+    public Object getTemplateModel() {
+        return new Object();
+    }
+}

abstracto-application/core/core-int/src/main/java/dev/sheldan/abstracto/core/exception/ProfanityRegexExistsException.java

@@ -0,0 +1,15 @@
+package dev.sheldan.abstracto.core.exception;
+
+import dev.sheldan.abstracto.core.templating.Templatable;
+
+public class ProfanityRegexExistsException extends AbstractoRunTimeException implements Templatable {
+    @Override
+    public String getTemplateName() {
+        return "profanity_regex_exists_exception";
+    }
+
+    @Override
+    public Object getTemplateModel() {
+        return new Object();
+    }
+}

abstracto-application/core/core-int/src/main/java/dev/sheldan/abstracto/core/exception/ProfanityRegexNotFoundException.java

@@ -0,0 +1,15 @@
+package dev.sheldan.abstracto.core.exception;
+
+import dev.sheldan.abstracto.core.templating.Templatable;
+
+public class ProfanityRegexNotFoundException extends AbstractoRunTimeException implements Templatable {
+    @Override
+    public String getTemplateName() {
+        return "profanity_regex_not_found_exception";
+    }
+
+    @Override
+    public Object getTemplateModel() {
+        return new Object();
+    }
+}

abstracto-application/core/core-int/src/main/java/dev/sheldan/abstracto/core/listener/async/entity/AsyncCacheClearingListener.java

@@ -0,0 +1,8 @@
+package dev.sheldan.abstracto.core.listener.async.entity;
+
+import dev.sheldan.abstracto.core.listener.AbstractoListener;
+import dev.sheldan.abstracto.core.listener.DefaultListenerResult;
+import dev.sheldan.abstracto.core.models.listener.VoidListenerModel;
+
+public interface AsyncCacheClearingListener extends AbstractoListener<VoidListenerModel, DefaultListenerResult> {
+}

abstracto-application/core/core-int/src/main/java/dev/sheldan/abstracto/core/models/database/PostTarget.java

@@ -26,12 +26,14 @@ public class PostTarget implements Serializable {
 
     @OneToOne(fetch = FetchType.LAZY)
     @JoinColumn(name = "channel_id", nullable = false)
-    @Getter @Setter
+    @Getter
+    @Setter
     private AChannel channelReference;
 
     @OneToOne(fetch = FetchType.LAZY)
     @JoinColumn(name="server_id", nullable = false)
-    @Getter @Setter
+    @Getter
+    @Setter
     private AServer serverReference;
 
     @Column(name = "created")

abstracto-application/core/core-int/src/main/java/dev/sheldan/abstracto/core/models/database/ProfanityGroup.java

@@ -0,0 +1,45 @@
+package dev.sheldan.abstracto.core.models.database;
+
+import lombok.*;
+
+import javax.persistence.*;
+import java.time.Instant;
+import java.util.ArrayList;
+import java.util.List;
+
+@Entity
+@Table(name = "profanity_group")
+@Getter
+@Builder
+@Setter
+@AllArgsConstructor
+@NoArgsConstructor
+@EqualsAndHashCode
+public class ProfanityGroup {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    @Column(name = "id")
+    private Long id;
+
+    @Column(name = "name")
+    private String groupName;
+
+    @OneToMany(
+            fetch = FetchType.LAZY,
+            orphanRemoval = true,
+            cascade = {CascadeType.PERSIST, CascadeType.MERGE},
+            mappedBy = "group")
+    @Builder.Default
+    private List<ProfanityRegex> profanities = new ArrayList<>();
+
+    @OneToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name="server_id", nullable = false)
+    @Getter
+    @Setter
+    private AServer server;
+
+    @Column(name = "created")
+    private Instant created;
+
+}

abstracto-application/core/core-int/src/main/java/dev/sheldan/abstracto/core/models/database/ProfanityRegex.java

@@ -0,0 +1,39 @@
+package dev.sheldan.abstracto.core.models.database;
+
+import lombok.*;
+
+import javax.persistence.*;
+import java.time.Instant;
+
+@Entity
+@Table(name = "profanity_regex")
+@Getter
+@Builder
+@Setter
+@AllArgsConstructor
+@NoArgsConstructor
+@EqualsAndHashCode
+public class ProfanityRegex {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    @Column(name = "id")
+    private Long id;
+
+    @Column(name = "name")
+    private String regexName;
+
+    @Column(name = "regex")
+    private String regex;
+
+    @Column(name = "replacement")
+    private String replacement;
+
+    @OneToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name="profanity_group_id", nullable = false)
+    @Getter
+    @Setter
+    private ProfanityGroup group;
+
+    @Column(name = "created")
+    private Instant created;
+}

abstracto-application/core/core-int/src/main/java/dev/sheldan/abstracto/core/models/listener/VoidListenerModel.java

@@ -0,0 +1,12 @@
+package dev.sheldan.abstracto.core.models.listener;
+
+import dev.sheldan.abstracto.core.listener.ListenerModel;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.Setter;
+
+@Getter
+@Setter
+@Builder
+public class VoidListenerModel implements ListenerModel {
+}

abstracto-application/core/core-int/src/main/java/dev/sheldan/abstracto/core/models/template/commands/ProfanityConfigModel.java

@@ -0,0 +1,16 @@
+package dev.sheldan.abstracto.core.models.template.commands;
+
+import dev.sheldan.abstracto.core.models.context.SlimUserInitiatedServerContext;
+import dev.sheldan.abstracto.core.models.database.ProfanityGroup;
+import lombok.Getter;
+import lombok.Setter;
+import lombok.experimental.SuperBuilder;
+
+import java.util.List;
+
+@Getter
+@Setter
+@SuperBuilder
+public class ProfanityConfigModel extends SlimUserInitiatedServerContext {
+    private List<ProfanityGroup> profanityGroups;
+}

abstracto-application/core/core-int/src/main/java/dev/sheldan/abstracto/core/service/ProfanityService.java

@@ -0,0 +1,18 @@
+package dev.sheldan.abstracto.core.service;
+
+import dev.sheldan.abstracto.core.models.database.ProfanityGroup;
+import dev.sheldan.abstracto.core.models.database.ProfanityRegex;
+
+public interface ProfanityService {
+    String replaceProfanities(String input, Long serverId);
+    String replaceProfanities(String input, Long serverId, String replacement);
+    String replaceProfanitiesWithDefault(String input, Long serverId, String replacement);
+    boolean containsProfanity(String input, Long serverId);
+    ProfanityGroup createProfanityGroup(Long serverId, String profanityGroupName);
+    void deleteProfanityGroup(Long serverId, String profanityGroupName);
+    void deleteProfanityRegex(Long serverId, String profanityGroupName, String profanityRegexName);
+    ProfanityRegex createProfanityRegex(Long serverId, String profanityGroupName, String profanityRegexName, String regex);
+    ProfanityRegex createProfanityRegex(Long serverId, String profanityGroupName, String profanityRegexName, String regex, String replacement);
+    void reloadRegex();
+    void reloadRegex(Long serverId);
+}

abstracto-application/core/core-int/src/main/java/dev/sheldan/abstracto/core/service/management/ProfanityGroupManagementService.java

@@ -0,0 +1,18 @@
+package dev.sheldan.abstracto.core.service.management;
+
+import dev.sheldan.abstracto.core.models.database.AServer;
+import dev.sheldan.abstracto.core.models.database.ProfanityGroup;
+
+import java.util.List;
+import java.util.Optional;
+
+public interface ProfanityGroupManagementService {
+    List<ProfanityGroup> getAllGroups();
+    List<ProfanityGroup> getAllForServer(Long serverId);
+    ProfanityGroup createProfanityGroup(AServer server, String name);
+    boolean doesProfanityGroupExist(AServer server, String name);
+    Optional<ProfanityGroup> getProfanityGroupOptional(AServer server, String name);
+    ProfanityGroup getProfanityGroup(AServer server, String name);
+    void deleteProfanityGroup(ProfanityGroup profanityGroup);
+    void deleteProfanityGroup(AServer server, String name);
+}

abstracto-application/core/core-int/src/main/java/dev/sheldan/abstracto/core/service/management/ProfanityRegexManagementService.java

@@ -0,0 +1,15 @@
+package dev.sheldan.abstracto.core.service.management;
+
+import dev.sheldan.abstracto.core.models.database.ProfanityGroup;
+import dev.sheldan.abstracto.core.models.database.ProfanityRegex;
+
+import java.util.Optional;
+
+public interface ProfanityRegexManagementService {
+    ProfanityRegex createProfanityRegex(ProfanityGroup profanityGroup, String name, String regex, String replacement);
+    ProfanityRegex createProfanityRegex(ProfanityGroup profanityGroup, String name, String regex);
+    void deleteProfanityRegex(ProfanityRegex profanityRegex);
+    void deleteProfanityRegex(ProfanityGroup group, String profanityName);
+    boolean doesProfanityRegexExist(ProfanityGroup profanityGroup, String name);
+    Optional<ProfanityRegex> getProfanityRegexOptional(ProfanityGroup profanityGroup, String name);
+}