Sync notifications and troubleshooting guides (#998)

* Add help articles

* Broadcast sync messages as notifications

* Lint fixes

* more lint fixes

* Remove redundant code

app/controllers/account/entries_controller.rb

@@ -31,7 +31,7 @@ class Account::EntriesController < ApplicationController
     else
       # TODO: this is not an ideal way to handle errors and should eventually be improved.
       # See: https://github.com/hotwired/turbo-rails/pull/367
-      flash[:error] = @entry.errors.full_messages.to_sentence
+      flash[:alert] = @entry.errors.full_messages.to_sentence
       redirect_to account_path(@account)
     end
   end

app/controllers/account/transfers_controller.rb

@@ -23,7 +23,7 @@ class Account::TransfersController < ApplicationController
     else
       # TODO: this is not an ideal way to handle errors and should eventually be improved.
       # See: https://github.com/hotwired/turbo-rails/pull/367
-      flash[:error] = @transfer.errors.full_messages.to_sentence
+      flash[:alert] = @transfer.errors.full_messages.to_sentence
       redirect_to transactions_path
     end
   end

app/controllers/accounts_controller.rb

@@ -68,8 +68,6 @@ class AccountsController < ApplicationController
     unless @account.syncing?
       @account.sync_later
     end
-
-    redirect_to account_path(@account), notice: t(".success")
   end
 
   def sync_all

app/controllers/help/articles_controller.rb

@@ -0,0 +1,11 @@
+class Help::ArticlesController < ApplicationController
+  layout "with_sidebar"
+
+  def show
+    @article = Help::Article.find(params[:id])
+
+    unless @article
+      head :not_found
+    end
+  end
+end

app/controllers/imports_controller.rb

@@ -42,13 +42,13 @@ class ImportsController < ApplicationController
     begin
       @import.raw_csv_str = import_params[:raw_csv_str].read
     rescue NoMethodError
-      flash.now[:error] = "Please select a file to upload"
+      flash.now[:alert] = "Please select a file to upload"
       render :load, status: :unprocessable_entity and return
     end
     if @import.save
       redirect_to configure_import_path(@import), notice: t(".import_loaded")
     else
-      flash.now[:error] = @import.errors.full_messages.to_sentence
+      flash.now[:alert] = @import.errors.full_messages.to_sentence
       render :load, status: :unprocessable_entity
     end
   end
@@ -57,7 +57,7 @@ class ImportsController < ApplicationController
     if @import.update(import_params)
       redirect_to configure_import_path(@import), notice: t(".import_loaded")
     else
-      flash.now[:error] = @import.errors.full_messages.to_sentence
+      flash.now[:alert] = @import.errors.full_messages.to_sentence
       render :load, status: :unprocessable_entity
     end
   end

app/controllers/settings/hostings_controller.rb

@@ -19,7 +19,7 @@ class Settings::HostingsController < SettingsController
 
   def send_test_email
     unless Setting.smtp_settings_populated?
-      flash[:error] = t(".missing_smtp_setting_error")
+      flash[:alert] = t(".missing_smtp_setting_error")
       render(:show, status: :unprocessable_entity)
       return
     end
@@ -27,7 +27,7 @@ class Settings::HostingsController < SettingsController
     begin
       NotificationMailer.with(user: Current.user).test_email.deliver_now
     rescue => _e
-      flash[:error] = t(".error")
+      flash[:alert] = t(".error")
       render :show, status: :unprocessable_entity
       return
     end