diff --git a/app/models/channel.rb b/app/models/channel.rb
index c43200a..007d5ef 100644
--- a/app/models/channel.rb
+++ b/app/models/channel.rb
@@ -20,49 +20,49 @@ class DiscourseChat::Channel < DiscourseChat::PluginModel
 
   private
 
-    def init_data
-      self.data = {} if self.data.nil?
+  def init_data
+    self.data = {} if self.data.nil?
+  end
+
+  def destroy_rules
+    rules.destroy_all
+  end
+
+  def provider_valid?
+    if !DiscourseChat::Provider.provider_names.include?(provider)
+      errors.add(:provider, "#{provider} is not a valid provider")
+    end
+  end
+
+  def data_valid?
+    # If provider is invalid, don't try and check data
+    return unless ::DiscourseChat::Provider.provider_names.include? provider
+
+    params = ::DiscourseChat::Provider.get_by_name(provider)::CHANNEL_PARAMETERS
+
+    unless params.map { |p| p[:key] }.sort == data.keys.sort
+      errors.add(:data, "data does not match the required structure for provider #{provider}")
+      return
     end
 
-    def destroy_rules
-      rules.destroy_all
-    end
+    check_unique = false
+    matching_channels = DiscourseChat::Channel.with_provider(provider).where.not(id: id)
 
-    def provider_valid?
-      if !DiscourseChat::Provider.provider_names.include?(provider)
-        errors.add(:provider, "#{provider} is not a valid provider")
+    data.each do |key, value|
+      regex_string = params.find { |p| p[:key] == key }[:regex]
+      if !Regexp.new(regex_string).match(value)
+        errors.add(:data, "data.#{key} is invalid")
+      end
+
+      unique = params.find { |p| p[:key] == key }[:unique]
+      if unique
+        check_unique = true
+        matching_channels = matching_channels.with_data_value(key, value)
       end
     end
 
-    def data_valid?
-      # If provider is invalid, don't try and check data
-      return unless ::DiscourseChat::Provider.provider_names.include? provider
-
-      params = ::DiscourseChat::Provider.get_by_name(provider)::CHANNEL_PARAMETERS
-
-      unless params.map { |p| p[:key] }.sort == data.keys.sort
-        errors.add(:data, "data does not match the required structure for provider #{provider}")
-        return
-      end
-
-      check_unique = false
-      matching_channels = DiscourseChat::Channel.with_provider(provider).where.not(id: id)
-
-      data.each do |key, value|
-        regex_string = params.find { |p| p[:key] == key }[:regex]
-        if !Regexp.new(regex_string).match(value)
-          errors.add(:data, "data.#{key} is invalid")
-        end
-
-        unique = params.find { |p| p[:key] == key }[:unique]
-        if unique
-          check_unique = true
-          matching_channels = matching_channels.with_data_value(key, value)
-        end
-      end
-
-      if check_unique && matching_channels.exists?
-        errors.add(:data, "matches an existing channel")
-      end
+    if check_unique && matching_channels.exists?
+      errors.add(:data, "matches an existing channel")
     end
+  end
 end
diff --git a/app/models/plugin_model.rb b/app/models/plugin_model.rb
index b275579..e2d9702 100644
--- a/app/models/plugin_model.rb
+++ b/app/models/plugin_model.rb
@@ -18,22 +18,22 @@ class DiscourseChat::PluginModel < PluginStoreRow
 
   private
 
-    def set_key
-      self.key ||= self.class.alloc_key
-    end
+  def set_key
+    self.key ||= self.class.alloc_key
+  end
 
-    def init_plugin_model
-      self.type_name ||= 'JSON'
-      self.plugin_name ||= PLUGIN_NAME
-    end
+  def init_plugin_model
+    self.type_name ||= 'JSON'
+    self.plugin_name ||= PLUGIN_NAME
+  end
 
-    def self.alloc_key
-      DistributedMutex.synchronize("#{self::PLUGIN_NAME}_#{self.key_prefix}_id") do
-        max_id = PluginStore.get(self::PLUGIN_NAME, "#{self.key_prefix}_id")
-        max_id = 1 unless max_id
-        PluginStore.set(self::PLUGIN_NAME, "#{self.key_prefix}_id", max_id + 1)
-        "#{self.key_prefix}#{max_id}"
-      end
+  def self.alloc_key
+    DistributedMutex.synchronize("#{self::PLUGIN_NAME}_#{self.key_prefix}_id") do
+      max_id = PluginStore.get(self::PLUGIN_NAME, "#{self.key_prefix}_id")
+      max_id = 1 unless max_id
+      PluginStore.set(self::PLUGIN_NAME, "#{self.key_prefix}_id", max_id + 1)
+      "#{self.key_prefix}#{max_id}"
     end
+  end
 
 end
diff --git a/app/models/rule.rb b/app/models/rule.rb
index 3e50a9b..32454c2 100644
--- a/app/models/rule.rb
+++ b/app/models/rule.rb
@@ -81,48 +81,48 @@ class DiscourseChat::Rule < DiscourseChat::PluginModel
 
   private
 
-    def channel_valid?
-      if !(DiscourseChat::Channel.where(id: channel_id).exists?)
-        errors.add(:channel_id, "#{channel_id} is not a valid channel id")
-      end
+  def channel_valid?
+    if !(DiscourseChat::Channel.where(id: channel_id).exists?)
+      errors.add(:channel_id, "#{channel_id} is not a valid channel id")
+    end
+  end
+
+  def category_valid?
+    if type != 'normal' && !category_id.nil?
+      errors.add(:category_id, "cannot be specified for that type of rule")
     end
 
-    def category_valid?
-      if type != 'normal' && !category_id.nil?
-        errors.add(:category_id, "cannot be specified for that type of rule")
-      end
+    return unless type == 'normal'
 
-      return unless type == 'normal'
+    if !(category_id.nil? || Category.where(id: category_id).exists?)
+      errors.add(:category_id, "#{category_id} is not a valid category id")
+    end
+  end
 
-      if !(category_id.nil? || Category.where(id: category_id).exists?)
-        errors.add(:category_id, "#{category_id} is not a valid category id")
-      end
+  def group_valid?
+    if type == 'normal' && !group_id.nil?
+      errors.add(:group_id, "cannot be specified for that type of rule")
     end
 
-    def group_valid?
-      if type == 'normal' && !group_id.nil?
-        errors.add(:group_id, "cannot be specified for that type of rule")
-      end
+    return if type == 'normal'
 
-      return if type == 'normal'
+    if !Group.where(id: group_id).exists?
+      errors.add(:group_id, "#{group_id} is not a valid group id")
+    end
+  end
 
-      if !Group.where(id: group_id).exists?
-        errors.add(:group_id, "#{group_id} is not a valid group id")
+  def tags_valid?
+    return if tags.nil?
+
+    tags.each do |tag|
+      if !Tag.where(name: tag).exists?
+        errors.add(:tags, "#{tag} is not a valid tag")
       end
     end
+  end
 
-    def tags_valid?
-      return if tags.nil?
-
-      tags.each do |tag|
-        if !Tag.where(name: tag).exists?
-          errors.add(:tags, "#{tag} is not a valid tag")
-        end
-      end
-    end
-
-    def init_filter
-      self.filter ||= 'watch'
-      self.type ||= 'normal'
-    end
+  def init_filter
+    self.filter ||= 'watch'
+    self.type ||= 'normal'
+  end
 end
diff --git a/lib/discourse_chat/provider/slack/slack_message.rb b/lib/discourse_chat/provider/slack/slack_message.rb
index b2a80c0..a5ca70e 100644
--- a/lib/discourse_chat/provider/slack/slack_message.rb
+++ b/lib/discourse_chat/provider/slack/slack_message.rb
@@ -87,9 +87,9 @@ module DiscourseChat::Provider::SlackProvider
 
     private
 
-      def user
-        return nil unless user_id = @raw["user"]
-        @transcript.users.find { |u| u["id"] == user_id }
-      end
+    def user
+      return nil unless user_id = @raw["user"]
+      @transcript.users.find { |u| u["id"] == user_id }
+    end
   end
 end
diff --git a/lib/discourse_chat/provider/slack/slack_message_formatter.rb b/lib/discourse_chat/provider/slack/slack_message_formatter.rb
index e1bcbae..55e68a7 100644
--- a/lib/discourse_chat/provider/slack/slack_message_formatter.rb
+++ b/lib/discourse_chat/provider/slack/slack_message_formatter.rb
@@ -37,13 +37,13 @@ module DiscourseChat::Provider::SlackProvider
 
     private
 
-      def absolute_url(url)
-        uri = URI(url) rescue nil
+    def absolute_url(url)
+      uri = URI(url) rescue nil
 
-        return Discourse.current_hostname unless uri
-        uri.host = Discourse.current_hostname if !uri.host
-        uri.scheme = (SiteSetting.force_https ? 'https' : 'http') if !uri.scheme
-        uri.to_s
-      end
+      return Discourse.current_hostname unless uri
+      uri.host = Discourse.current_hostname if !uri.host
+      uri.scheme = (SiteSetting.force_https ? 'https' : 'http') if !uri.scheme
+      uri.to_s
+    end
   end
 end