Refresh item after addon is done

modules/webapp/src/main/elm/App/Update.elm

@@ -314,13 +314,16 @@ updateWithSub msg model =
 
         ReceiveWsMessage data ->
             case data of
-                Ok (JobDone task) ->
+                Ok (JobDone details) ->
                     let
                         isProcessItem =
-                            task == "process-item"
+                            details.task == "process-item"
 
                         isDownloadZip =
-                            task == "download-query-zip"
+                            details.task == "download-query-zip"
+
+                        isAddonExistingItem =
+                            Data.ServerEvent.isAddonExistingItem model.itemDetailModel.detail.item.id details
 
                         newModel =
                             { model
@@ -337,6 +340,9 @@ updateWithSub msg model =
                     else if Page.isDashboardPage model.page && isProcessItem then
                         updateDashboard texts Page.Dashboard.Data.reloadDashboardData newModel
 
+                    else if Page.isDetailPage model.page && isAddonExistingItem then
+                        updateItemDetail texts (Page.ItemDetail.Data.ReloadItem True) newModel
+
                     else
                         ( newModel, Cmd.none, Sub.none )
 

modules/webapp/src/main/elm/Comp/ItemDetail/AddFilesForm.elm

@@ -76,7 +76,7 @@ view texts model =
             , a
                 [ class S.successMessageLink
                 , href "#"
-                , onClick ReloadItem
+                , onClick (ReloadItem False)
                 ]
                 [ text texts.refreshNow
                 ]

modules/webapp/src/main/elm/Comp/ItemDetail/Model.elm

@@ -281,7 +281,7 @@ initSelectViewModel =
 
 type Msg
     = ToggleMenu
-    | ReloadItem
+    | ReloadItem Bool
     | Init
     | SetItem ItemDetail
     | SetActiveAttachment Int

modules/webapp/src/main/elm/Comp/ItemDetail/Update.elm

@@ -387,12 +387,22 @@ update inav env msg model =
             resultModel
                 { model | menuOpen = not model.menuOpen }
 
-        ReloadItem ->
+        ReloadItem withFile ->
             if model.item.id == "" then
                 resultModel model
 
             else
-                resultModelCmd ( model, Api.itemDetail env.flags model.item.id GetItemResp )
+                resultModelCmd
+                    ( model
+                    , Cmd.batch
+                        [ Api.itemDetail env.flags model.item.id GetItemResp
+                        , if withFile then
+                            Ports.refreshFileView "ds-pdf-view-iframe"
+
+                          else
+                            Cmd.none
+                        ]
+                    )
 
         FolderDropdownMsg m ->
             let
@@ -1002,7 +1012,7 @@ update inav env msg model =
 
         DeleteAttachResp (Ok res) ->
             if res.success then
-                update inav env ReloadItem model
+                update inav env (ReloadItem False) model
 
             else
                 resultModel model

modules/webapp/src/main/elm/Data/ServerEvent.elm

@@ -5,7 +5,7 @@
 -}
 
 
-module Data.ServerEvent exposing (AddonInfo, ServerEvent(..), decode)
+module Data.ServerEvent exposing (AddonInfo, JobDoneDetails, ServerEvent(..), decode, isAddonExistingItem)
 
 import Json.Decode as D
 import Json.Decode.Pipeline as P
@@ -13,7 +13,7 @@ import Json.Decode.Pipeline as P
 
 type ServerEvent
     = JobSubmitted String
-    | JobDone String
+    | JobDone JobDoneDetails
     | JobsWaiting Int
     | AddonInstalled AddonInfo
 
@@ -26,6 +26,32 @@ type alias AddonInfo =
     }
 
 
+type alias JobDoneDetails =
+    { task : String
+    , args : Maybe D.Value
+    , result : Maybe D.Value
+    }
+
+
+{-| Return wether the job done details belong to running an addon of
+that item with the given id.
+-}
+isAddonExistingItem : String -> JobDoneDetails -> Bool
+isAddonExistingItem itemId details =
+    let
+        itemIdDecoder =
+            D.field "itemId" D.string
+
+        -- This decodes the structure from scalas ItemAddonTaskArgs (only itemId)
+        decodedId =
+            Maybe.map (D.decodeValue itemIdDecoder) details.args
+                |> Maybe.andThen Result.toMaybe
+    in
+    details.task
+        == "addon-existing-item"
+        && (itemId /= "" && decodedId == Just itemId)
+
+
 addonInfoDecoder : D.Decoder AddonInfo
 addonInfoDecoder =
     D.succeed AddonInfo
@@ -51,8 +77,7 @@ decodeTag : String -> D.Decoder ServerEvent
 decodeTag tag =
     case tag of
         "job-done" ->
-            D.field "content" D.string
-                |> D.map JobDone
+            D.field "content" (D.map JobDone decodeJobDoneDetails)
 
         "job-submitted" ->
             D.field "content" D.string
@@ -68,3 +93,11 @@ decodeTag tag =
 
         _ ->
             D.fail ("Unknown tag: " ++ tag)
+
+
+decodeJobDoneDetails : D.Decoder JobDoneDetails
+decodeJobDoneDetails =
+    D.map3 JobDoneDetails
+        (D.field "task" D.string)
+        (D.field "args" (D.maybe D.value))
+        (D.field "result" (D.maybe D.value))

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

@@ -14,6 +14,7 @@ module Page exposing
     , hasSidebar
     , href
     , isDashboardPage
+    , isDetailPage
     , isOpen
     , isSearchPage
     , isSecured
@@ -175,6 +176,16 @@ isDashboardPage page =
             False
 
 
+isDetailPage : Page -> Bool
+isDetailPage page =
+    case page of
+        ItemDetailPage _ ->
+            True
+
+        _ ->
+            False
+
+
 pageName : Page -> String
 pageName page =
     case page of

modules/webapp/src/main/elm/Page/ItemDetail/Data.elm

@@ -38,6 +38,7 @@ type Msg
     | ItemResp (Result Http.Error ItemDetail)
     | ScrollResult (Result Dom.Error ())
     | UiSettingsUpdated
+    | ReloadItem Bool
 
 
 type alias UpdateResult =

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

@@ -47,6 +47,13 @@ update inav env msg model =
             , selectedItems = env.selectedItems
             }
 
+        ReloadItem withFiles ->
+            let
+                m =
+                    ItemDetailMsg (Comp.ItemDetail.Model.ReloadItem withFiles)
+            in
+            update inav env m model
+
         ItemDetailMsg lmsg ->
             let
                 result =

modules/webapp/src/main/elm/Ports.elm

@@ -11,6 +11,7 @@ port module Ports exposing
     , printElement
     , receiveCheckQueryResult
     , receiveServerEvent
+    , refreshFileView
     , removeAccount
     , setAccount
     , setUiTheme
@@ -54,6 +55,11 @@ port printElement : String -> Cmd msg
 port receiveWsMessage : (D.Value -> msg) -> Sub msg
 
 
+{-| Given an ID of an element that is either EMBED or IFRAME the js will reload its src
+-}
+port refreshFileView : String -> Cmd msg
+
+
 
 --- Higher level functions based on ports
 

modules/webapp/src/main/webjar/docspell.js

@@ -121,6 +121,16 @@ elmApp.ports.printElement.subscribe(function(id) {
     }
 });
 
+elmApp.ports.refreshFileView.subscribe(function(id) {
+    var el = document.getElementById(id);
+    if (el) {
+        var tag = el.tagName;
+        if (tag === "EMBED" || tag === "IFRAME") {
+            var url = el.src;
+            el.src = url;
+        }
+    }
+});
 
 var dsWebSocket = null;
 function closeWS() {
@@ -146,6 +156,8 @@ function initWS() {
         }
     });
 }
+
+// Websockets are not used yet for communicating to the server
 // elmApp.ports.sendWsMessage.subscribe(function(msg) {
 //     socket.send(msg);
 // });