inter-hub-haskell/Web/Controller/Widgets.hs

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module Web.Controller.Widgets where
import Web.Types
import Web.View.Widgets.Index
import Web.View.Widgets.Show
import Web.View.Widgets.New
import Web.View.Widgets.Edit
import Generated.Types
import IHP.Prelude
import IHP.ControllerPrelude
import Data.Aeson (toJSON, object, (.=))
instance Controller WidgetsController where
beforeAction = ensureIsUser
action WidgetsAction = do
widgets <- query @Widget |> orderByAsc #name |> fetch
hubs <- query @Hub |> fetch
render IndexView { widgets, hubs }
action NewWidgetAction = do
let widget = newRecord @Widget
hubs <- query @Hub |> fetch
render NewView { widget, hubs }
action ShowWidgetAction { widgetId } = do
widget <- fetch widgetId
hub <- fetch widget.hubId
versions <- query @WidgetVersion
|> filterWhere (#widgetId, widgetId)
|> orderByDesc #version
|> fetch
events <- query @InteractionEvent
|> filterWhere (#widgetId, widgetId)
|> orderByDesc #occurredAt
|> limit 20
|> fetch
annotations <- query @Annotation
|> filterWhere (#widgetId, widgetId)
|> orderByAsc #createdAt
|> fetch
render ShowView { widget, hub, versions, events, annotations }
action CreateWidgetAction = do
let widget = newRecord @Widget
hubs <- query @Hub |> fetch
widget
|> fill @'["name", "widgetType", "hubId", "capabilityRef", "viewContext", "policyScope", "status"]
|> validateField #name nonEmpty
|> validateField #widgetType nonEmpty
|> ifValid \case
Left widget -> render NewView { widget, hubs }
Right widget -> do
widget <- createRecord widget
let snapshot = object
[ "name" .= widget.name
, "widget_type" .= widget.widgetType
, "hub_id" .= widget.hubId
, "capability_ref" .= widget.capabilityRef
, "view_context" .= widget.viewContext
, "policy_scope" .= widget.policyScope
, "status" .= widget.status
, "version" .= widget.version
]
newRecord @WidgetVersion
|> set #widgetId widget.id
|> set #version 1
|> set #schemaSnapshot snapshot
|> createRecord
setSuccessMessage "Widget registered"
redirectTo ShowWidgetAction { widgetId = widget.id }
action EditWidgetAction { widgetId } = do
widget <- fetch widgetId
hubs <- query @Hub |> fetch
render EditView { widget, hubs }
action UpdateWidgetAction { widgetId } = do
widget <- fetch widgetId
hubs <- query @Hub |> fetch
widget
|> fill @'["name", "widgetType", "hubId", "capabilityRef", "viewContext", "policyScope", "status"]
|> validateField #name nonEmpty
|> validateField #widgetType nonEmpty
|> ifValid \case
Left widget -> render EditView { widget, hubs }
Right widget -> do
let newVersion = widget.version + 1
widget <- widget |> set #version newVersion |> updateRecord
let snapshot = object
[ "name" .= widget.name
, "widget_type" .= widget.widgetType
, "hub_id" .= widget.hubId
, "capability_ref" .= widget.capabilityRef
, "view_context" .= widget.viewContext
, "policy_scope" .= widget.policyScope
, "status" .= widget.status
, "version" .= newVersion
]
newRecord @WidgetVersion
|> set #widgetId widget.id
|> set #version newVersion
|> set #schemaSnapshot snapshot
|> createRecord
setSuccessMessage "Widget updated"
redirectTo ShowWidgetAction { widgetId = widget.id }