Add some documentation for DomainListInterface.

src/App/Container.purs

@@ -26,7 +26,7 @@ data Page = Home | LoginRegister | DomainList | Zone | AuthAdmin
 data Action
   = AuthenticationComponentEvent             AF.Output
   | AuthenticationDaemonAdminComponentEvent  AAI.Output -- Admin interface for authd.
-  | DomainListComponentEvent                  DomainListInterface.Output
+  | DomainListComponentEvent                 DomainListInterface.Output
   | AuthenticationDaemonEvent                WS.Output
   | DNSManagerDaemonEvent                    WS.Output
   | AuthenticateToDNSManager
@@ -35,6 +35,7 @@ data Action
 type State = { token :: Maybe String
              , uid :: Maybe Int
              , current_page :: Page
+             , store_DomainListInterface_state :: Maybe DomainListInterface.State
              }
 
 type ChildSlots =
@@ -65,6 +66,7 @@ initialState :: forall i. i -> State
 initialState _ = { token: Nothing
                  , uid: Nothing
                  , current_page: Home
+                 , store_DomainListInterface_state: Nothing
                  }
 
 render :: forall m. MonadAff m => State -> H.ComponentHTML Action ChildSlots m
@@ -128,8 +130,8 @@ render state
 
     render_newdomain_interface :: forall monad. MonadAff monad => H.ComponentHTML Action ChildSlots monad
     render_newdomain_interface = case state.token of
-      Just token -> Bulma.box $
-        [ HH.slot _dli unit DomainListInterface.component token DomainListComponentEvent
+      Just _ -> Bulma.box $
+        [ HH.slot _dli unit DomainListInterface.component unit DomainListComponentEvent
         ]
       Nothing -> render_nothing
 

src/App/DomainListInterface.purs

@@ -1,16 +1,15 @@
 module App.DomainListInterface where
 
-{- Simple component with the list of own domains and a form to add a new domain.
-   This interface allows to:
-     - display the list of own domains
-     - show and select accepted domains (TLDs)
-     - create new domains
-     - delete a domain
-     - TODO: ask for confirmation
-     - TODO: show and modify the content of a Zone
-
-   Authentication is automatic with the token.
--}
+-- | `App.DomainListInterface` is a simple component with the list of own domains
+-- | and a form to add a new domain.
+-- |
+-- | This interface allows to:
+-- |   - display the list of own domains
+-- |   - show and select accepted domains (TLDs)
+-- |   - create new domains
+-- |   - delete a domain
+-- |   - TODO: ask for confirmation
+-- |   - TODO: switch to the interface to show and modify the content of a Zone
 
 import Prelude (Unit, bind, discard, map, otherwise, pure, ($), (/=), (<<<), (<>))
 
@@ -33,11 +32,21 @@ import Bulma as Bulma
 import App.LogMessage
 import App.Messages.DNSManagerDaemon as DNSManager
 
+-- | `App.DomainListInterface` can send messages through websocket interface
+-- | connected to dnsmanagerd. See `App.WS`.
+-- |
+-- | Also, this component can log messages and ask its parent (`App.Container`) to
+-- | reconnect the websocket to `dnsmanagerd`.
+
 data Output
   = MessageToSend ArrayBuffer
   | Log LogMessage
   | DNSManagerReconnect
 
+-- | `App.DomainListInterface` can receive messages from `dnsmanagerd`.
+-- |
+-- | The component is also informed when the connection is lost or up again.
+
 data Query a
   = MessageReceived ArrayBuffer a
   | ConnectionIsDown a
@@ -45,12 +54,25 @@ data Query a
 
 type Slot = H.Slot Query Output
 
-type Input = String
+-- | `App.DomainListInterface` has no input.
+
+type Input = Unit
+
+-- | `App.DomainListInterface` has a single form to add a new domain.
+-- | Only two possible inputs: the (sub)domain name and the selection of the TLD.
 
 data NewDomainFormAction
   = INP_newdomain String
   | UpdateSelectedDomain String
 
+-- | Possible component's actions are:
+-- | - update the accepted domains (examples: netlib.re, codelib.re and example.com)
+-- | - update the list of own domains
+-- | - handle user inputs
+-- | - add a new domain
+-- | - remove a domain
+-- | - TODO: show the zone content (in another component)
+
 data Action
   = UpdateAcceptedDomains (Array String)
   | UpdateMyDomains (Array String)
@@ -61,18 +83,23 @@ data Action
   | RemoveDomain String
   | EnterDomain String
 
+-- | The form only has two elements:
+-- | the subdomain name input and the selected TLD.
+
 type NewDomainFormState
   = { new_domain      :: String
     , selected_domain :: String
     }
 
+-- | The entire component's state contains the form, accepted domains,
+-- | the list of own domains and a boolean to know if the connection is up.
+
 type State =
   { newDomainForm          :: NewDomainFormState
   , accepted_domains       :: Array String
   , my_domains             :: Array String
 
   , wsUp :: Boolean
-  , token :: String
   }
 
 component :: forall m. MonadAff m => H.Component Query Input Output m
@@ -86,18 +113,19 @@ component =
         }
     }
 
+-- | Default available domain: netlib.re.
+
 default_domain :: String
 default_domain = "netlib.re"
 
 initialState :: Input -> State
-initialState token =
+initialState _ =
   { newDomainForm: { new_domain: ""
                    , selected_domain: default_domain
                    }
   , accepted_domains: [ default_domain ]
   , my_domains: [ ]
   , wsUp: true
-  , token: token
   }
 
 render :: forall m. State -> H.ComponentHTML Action () m