fix(availability): PPT-1629 return 404 when tenant not found (#334)

shard.lock

@@ -47,7 +47,7 @@ shards:
 
   debug:
     git: https://github.com/sija/debug.cr.git
-    version: 2.0.3
+    version: 2.0.4
 
   defined:
     git: https://github.com/wyhaines/defined.cr.git
@@ -183,7 +183,7 @@ shards:
 
   raven:
     git: https://github.com/sija/raven.cr.git
-    version: 1.9.4+git.commit.59020d2838c19e769d7fb5e0ee3a242cd9fdb055
+    version: 1.9.4+git.commit.a43f45229d1ee8030f8f07b101cb159896273195
 
   redis:
     git: https://github.com/stefanwille/crystal-redis.git

src/controllers/calendars.cr

@@ -9,6 +9,11 @@ class Calendars < Application
   @[AC::Route::Filter(:around_action)]
   Application.add_request_queue
 
+  @[AC::Route::Filter(:before_action)]
+  private def ensure_tenant
+    current_tenant
+  end
+
   @[AC::Route::Filter(:before_action, except: [:index])]
   private def find_matching_calendars(
     @[AC::Param::Info(description: "a comma seperated list of calendar ids, recommend using `system_id` for resource calendars", example: "[email protected],[email protected]")]
@@ -60,8 +65,8 @@ class Calendars < Application
     all_calendars = Set.new((calendars || "").split(',').map(&.strip.downcase).reject(&.empty?))
     all_calendars.concat(candidate_calendars)
     calendars = all_calendars.to_a
-    return [] of Availability if calendars.empty?
 
+    render :no_content, json: [] of Availability if calendars.empty?
     # perform availability request
     period_start = Time.unix(period_start)
     period_end = Time.unix(period_end)