Refactor link-target in a separate module

modules/webapp/src/main/elm/Comp/ItemCard.elm

@@ -1,6 +1,5 @@
 module Comp.ItemCard exposing
-    ( LinkTarget(..)
-    , Model
+    ( Model
     , Msg
     , UpdateResult
     , ViewConfig
@@ -14,6 +13,7 @@ import Api.Model.AttachmentLight exposing (AttachmentLight)
 import Api.Model.HighlightEntry exposing (HighlightEntry)
 import Api.Model.IdName exposing (IdName)
 import Api.Model.ItemLight exposing (ItemLight)
+import Comp.LinkTarget exposing (LinkTarget(..))
 import Data.Direction
 import Data.Fields
 import Data.Icons as Icons
@@ -50,15 +50,6 @@ type alias ViewConfig =
     }
 
 
-type LinkTarget
-    = LinkCorrOrg IdName
-    | LinkCorrPerson IdName
-    | LinkConcPerson IdName
-    | LinkConcEquip IdName
-    | LinkFolder IdName
-    | LinkNone
-
-
 type alias UpdateResult =
     { model : Model
     , dragModel : DD.Model
@@ -227,46 +218,6 @@ metaDataContent settings item =
         fieldHidden f =
             Data.UiSettings.fieldHidden settings f
 
-        default =
-            text "-"
-
-        makeLink tagger idname =
-            a
-                [ onClick (tagger idname)
-                , href "#"
-                ]
-                [ text idname.name
-                ]
-
-        combine ma mb =
-            case ( ma, mb ) of
-                ( Just a, Just b ) ->
-                    [ a, text ", ", b ]
-
-                ( Just a, Nothing ) ->
-                    [ a ]
-
-                ( Nothing, Just b ) ->
-                    [ b ]
-
-                ( Nothing, Nothing ) ->
-                    [ default ]
-
-        corrOrg =
-            Maybe.map (makeLink (LinkCorrOrg >> SetLinkTarget)) item.corrOrg
-
-        corrPerson =
-            Maybe.map (makeLink (LinkCorrPerson >> SetLinkTarget)) item.corrPerson
-
-        concPerson =
-            Maybe.map (makeLink (LinkConcPerson >> SetLinkTarget)) item.concPerson
-
-        concEquip =
-            Maybe.map (makeLink (LinkConcEquip >> SetLinkTarget)) item.concEquip
-
-        folder =
-            Maybe.map (makeLink (LinkFolder >> SetLinkTarget)) item.folder
-
         dueDate =
             Maybe.map Util.Time.formatDateShort item.dueDate
                 |> Maybe.withDefault ""
@@ -284,7 +235,7 @@ metaDataContent settings item =
                 , title "Correspondent"
                 ]
                 (Icons.correspondentIcon ""
-                    :: combine corrOrg corrPerson
+                    :: Comp.LinkTarget.makeCorrLink item SetLinkTarget
                 )
             , div
                 [ classList
@@ -297,7 +248,7 @@ metaDataContent settings item =
                 , title "Concerning"
                 ]
                 (Icons.concernedIcon
-                    :: combine concPerson concEquip
+                    :: Comp.LinkTarget.makeConcLink item SetLinkTarget
                 )
             , div
                 [ classList
@@ -307,7 +258,7 @@ metaDataContent settings item =
                 , title "Folder"
                 ]
                 [ Icons.folderIcon ""
-                , Maybe.withDefault default folder
+                , Comp.LinkTarget.makeFolderLink item SetLinkTarget
                 ]
             ]
         , div [ class "right floated meta" ]

modules/webapp/src/main/elm/Comp/ItemCardList.elm

@@ -14,6 +14,7 @@ import Api.Model.ItemLight exposing (ItemLight)
 import Api.Model.ItemLightGroup exposing (ItemLightGroup)
 import Api.Model.ItemLightList exposing (ItemLightList)
 import Comp.ItemCard
+import Comp.LinkTarget exposing (LinkTarget)
 import Data.Flags exposing (Flags)
 import Data.ItemSelection exposing (ItemSelection)
 import Data.Items
@@ -75,7 +76,7 @@ type alias UpdateResult =
     , cmd : Cmd Msg
     , dragModel : DD.Model
     , selection : ItemSelection
-    , linkTarget : Comp.ItemCard.LinkTarget
+    , linkTarget : LinkTarget
     }
 
 
@@ -96,7 +97,7 @@ updateDrag dm _ msg model =
                 Cmd.none
                 dm
                 Data.ItemSelection.Inactive
-                Comp.ItemCard.LinkNone
+                Comp.LinkTarget.LinkNone
 
         AddResults list ->
             if list.groups == [] then
@@ -104,7 +105,7 @@ updateDrag dm _ msg model =
                     Cmd.none
                     dm
                     Data.ItemSelection.Inactive
-                    Comp.ItemCard.LinkNone
+                    Comp.LinkTarget.LinkNone
 
             else
                 let
@@ -115,7 +116,7 @@ updateDrag dm _ msg model =
                     Cmd.none
                     dm
                     Data.ItemSelection.Inactive
-                    Comp.ItemCard.LinkNone
+                    Comp.LinkTarget.LinkNone
 
         ItemCardMsg item lm ->
             let

modules/webapp/src/main/elm/Comp/LinkTarget.elm

@@ -0,0 +1,93 @@
+module Comp.LinkTarget exposing
+    ( LinkTarget(..)
+    , makeConcLink
+    , makeCorrLink
+    , makeFolderLink
+    )
+
+import Api.Model.IdName exposing (IdName)
+import Html exposing (..)
+import Html.Attributes exposing (..)
+import Html.Events exposing (onClick)
+
+
+type LinkTarget
+    = LinkCorrOrg IdName
+    | LinkCorrPerson IdName
+    | LinkConcPerson IdName
+    | LinkConcEquip IdName
+    | LinkFolder IdName
+    | LinkNone
+
+
+makeCorrLink :
+    { a | corrOrg : Maybe IdName, corrPerson : Maybe IdName }
+    -> (LinkTarget -> msg)
+    -> List (Html msg)
+makeCorrLink item tagger =
+    let
+        makeOrg idname =
+            makeLink (LinkCorrOrg >> tagger) idname
+
+        makePerson idname =
+            makeLink (LinkCorrPerson >> tagger) idname
+    in
+    combine (Maybe.map makeOrg item.corrOrg) (Maybe.map makePerson item.corrPerson)
+
+
+makeConcLink :
+    { a | concPerson : Maybe IdName, concEquip : Maybe IdName }
+    -> (LinkTarget -> msg)
+    -> List (Html msg)
+makeConcLink item tagger =
+    let
+        makePerson idname =
+            makeLink (LinkConcPerson >> tagger) idname
+
+        makeEquip idname =
+            makeLink (LinkConcEquip >> tagger) idname
+    in
+    combine (Maybe.map makePerson item.concPerson) (Maybe.map makeEquip item.concEquip)
+
+
+makeFolderLink :
+    { a | folder : Maybe IdName }
+    -> (LinkTarget -> msg)
+    -> Html msg
+makeFolderLink item tagger =
+    let
+        makeFolder idname =
+            makeLink (LinkFolder >> tagger) idname
+    in
+    Maybe.map makeFolder item.folder
+        |> Maybe.withDefault (text "-")
+
+
+
+--- Helpers
+
+
+combine : Maybe (Html msg) -> Maybe (Html msg) -> List (Html msg)
+combine ma mb =
+    case ( ma, mb ) of
+        ( Just a, Just b ) ->
+            [ a, text ", ", b ]
+
+        ( Just a, Nothing ) ->
+            [ a ]
+
+        ( Nothing, Just b ) ->
+            [ b ]
+
+        ( Nothing, Nothing ) ->
+            [ text "-" ]
+
+
+makeLink : (IdName -> msg) -> IdName -> Html msg
+makeLink tagger idname =
+    a
+        [ onClick (tagger idname)
+        , href "#"
+        ]
+        [ text idname.name
+        ]

modules/webapp/src/main/elm/Page/Home/Update.elm

@@ -10,6 +10,7 @@ import Comp.ItemCard
 import Comp.ItemCardList
 import Comp.ItemDetail.EditMenu exposing (SaveNameState(..))
 import Comp.ItemDetail.FormChange exposing (FormChange(..))
+import Comp.LinkTarget
 import Comp.SearchMenu
 import Comp.YesNoDimmer
 import Data.Flags exposing (Flags)
@@ -97,22 +98,22 @@ update mId key flags settings msg model =
 
                 searchMsg =
                     case result.linkTarget of
-                        Comp.ItemCard.LinkNone ->
+                        Comp.LinkTarget.LinkNone ->
                             Cmd.none
 
-                        Comp.ItemCard.LinkCorrOrg id ->
+                        Comp.LinkTarget.LinkCorrOrg id ->
                             Util.Update.cmdUnit (SearchMenuMsg (Comp.SearchMenu.SetCorrOrg id))
 
-                        Comp.ItemCard.LinkCorrPerson id ->
+                        Comp.LinkTarget.LinkCorrPerson id ->
                             Util.Update.cmdUnit (SearchMenuMsg (Comp.SearchMenu.SetCorrPerson id))
 
-                        Comp.ItemCard.LinkConcPerson id ->
+                        Comp.LinkTarget.LinkConcPerson id ->
                             Util.Update.cmdUnit (SearchMenuMsg (Comp.SearchMenu.SetConcPerson id))
 
-                        Comp.ItemCard.LinkConcEquip id ->
+                        Comp.LinkTarget.LinkConcEquip id ->
                             Util.Update.cmdUnit (SearchMenuMsg (Comp.SearchMenu.SetConcEquip id))
 
-                        Comp.ItemCard.LinkFolder id ->
+                        Comp.LinkTarget.LinkFolder id ->
                             Util.Update.cmdUnit (SearchMenuMsg (Comp.SearchMenu.SetFolder id))
 
                 nextView =