Feature/implement scheduling for episode

lib/radiator/podcasts.ex

@@ -27,6 +27,9 @@ defmodule Radiator.Podcasts do
       define :update_episode, action: :update
       define :add_persona, action: :add_persona
       define :remove_persona, action: :remove_persona
+      define :begin_scheduling, action: :begin_scheduling
+      define :finalize_scheduling, action: :finalize_scheduling
+      define :back_to_scheduling, action: :back_to_scheduling
     end
 
     resource Radiator.Podcasts.Chapter
@@ -35,13 +38,26 @@ defmodule Radiator.Podcasts do
     resource Radiator.Podcasts.Track
 
     resource Radiator.Podcasts.Person do
+      define :read_persons, action: :read
       define :create_person, action: :create
     end
 
     resource Radiator.Podcasts.Persona do
+      define :read_personas, action: :read
       define :create_persona, action: :create
     end
 
+    resource Radiator.Podcasts.Episode.Scheduling do
+      define :start_scheduling, action: :create
+      define :get_by_episode, action: :by_episode
+      define :add_proposal, action: :add_proposal
+      define :remove_proposal, action: :remove_proposal
+      define :vote, action: :vote
+      define :remove_vote, action: :remove_vote
+      define :finalize, action: :finalize
+      define :reopen, action: :reopen
+    end
+
     resource Radiator.Podcasts.EpisodePersona
     resource Radiator.Podcasts.Role
   end

lib/radiator/podcasts/episode.ex

@@ -1,5 +1,8 @@
 defmodule Radiator.Podcasts.Episode do
-  @moduledoc false
+  @moduledoc """
+  Model specification for podcast episodes. Ash state machine is used to define the
+  different states of an episode.
+  """
 
   use Ash.Resource,
     otp_app: :radiator,
@@ -19,6 +22,12 @@ defmodule Radiator.Podcasts.Episode do
   state_machine do
     initial_states([:scheduling])
     default_initial_state(:scheduling)
+
+    transitions do
+      transition(:begin_scheduling, from: :creation, to: :scheduling)
+      transition(:finalize_scheduling, from: :scheduling, to: :scheduled)
+      transition(:back_to_scheduling, from: :scheduled, to: :scheduling)
+    end
   end
 
   @default_accept_attributes [
@@ -55,6 +64,22 @@ defmodule Radiator.Podcasts.Episode do
       argument :personas, {:array, :uuid}, allow_nil?: true
       change manage_relationship(:personas, type: :remove, value_is_key: :id)
     end
+
+    update :begin_scheduling do
+      description "Transition episode to scheduling state"
+      change transition_state(:scheduling)
+    end
+
+    update :finalize_scheduling do
+      description "Transition episode to scheduled state after scheduling is complete"
+      accept [:publication_date]
+      change transition_state(:scheduled)
+    end
+
+    update :back_to_scheduling do
+      description "Reopen scheduling for an episode"
+      change transition_state(:scheduling)
+    end
   end
 
   attributes do
@@ -129,6 +154,11 @@ defmodule Radiator.Podcasts.Episode do
     end
 
     has_many :tracks, Radiator.Podcasts.Track
+
+    has_one :scheduling, Radiator.Podcasts.Episode.Scheduling do
+      description "The scheduling information for this episode"
+      public? true
+    end
   end
 
   identities do