fix(@wallet): switch account being slow

Now when switching account all remote call are non blocking

fixes #7430

src/app/boot/app_controller.nim

@@ -151,7 +151,7 @@ proc newAppController*(statusFoundation: StatusFoundation): AppController =
   result.tokenService = token_service.newService(
     statusFoundation.events, statusFoundation.threadpool, result.networkService
   )
-  result.collectibleService = collectible_service.newService(result.networkService)
+  result.collectibleService = collectible_service.newService(statusFoundation.events, statusFoundation.threadpool, result.networkService)
   result.walletAccountService = wallet_account_service.newService(
     statusFoundation.events, statusFoundation.threadpool, result.settingsService, result.accountsService,
     result.tokenService, result.networkService,

src/app/modules/main/wallet_section/collectibles/collections/controller.nim

@@ -1,24 +1,30 @@
 import io_interface
 import ../../../../../../app_service/service/collectible/service as collectible_service
+import ../../../../../core/eventemitter
 
 type
   Controller* = ref object of RootObj
     delegate: io_interface.AccessInterface
+    events: EventEmitter
     collectibleService: collectible_service.Service
 
 proc newController*(
   delegate: io_interface.AccessInterface,
+  events: EventEmitter,
   collectibleService: collectible_service.Service
 ): Controller =
   result = Controller()
   result.delegate = delegate
+  result.events = events
   result.collectibleService = collectibleService
 
 proc delete*(self: Controller) =
   discard
 
 proc init*(self: Controller) =
-  discard
+  self.events.on(GetCollections) do(e:Args):
+    let args = GetCollectionsArgs(e)
+    self.delegate.setCollections(args.collections)
 
-proc getCollections*(self: Controller, address: string): seq[collectible_service.CollectionDto] =
-  return self.collectibleService.getCollections(address)
+proc getCollections*(self: Controller, address: string) =
+  self.collectibleService.getCollectionsAsync(address)

src/app/modules/main/wallet_section/collectibles/collections/io_interface.nim

@@ -1,3 +1,5 @@
+import ../../../../../../app_service/service/collectible/service as collectible_service
+
 type
   AccessInterface* {.pure inheritable.} = ref object of RootObj
   ## Abstract class for any input/interaction with this module.
@@ -14,6 +16,10 @@ method isLoaded*(self: AccessInterface): bool {.base.} =
 method loadCollections*(self: AccessInterface, address: string) {.base.} =
   raise newException(ValueError, "No implementation available")
 
+method setCollections*(self: AccessInterface, collections: seq[CollectionDto]) {.base.} =
+  raise newException(ValueError, "No implementation available")
+
+
 # View Delegate Interface
 # Delegate for the view must be declared here due to use of QtObject and multi
 # inheritance, which is not well supported in Nim.

src/app/modules/main/wallet_section/collectibles/collections/module.nim

@@ -4,6 +4,7 @@ import ../../../../../global/global_singleton
 import ./io_interface, ./view, ./controller, ./item
 import ../io_interface as delegate_interface
 import ../../../../../../app_service/service/collectible/service as collectible_service
+import ../../../../../core/eventemitter
 
 export io_interface
 
@@ -14,12 +15,12 @@ type
     controller: Controller
     moduleLoaded: bool
 
-proc newModule*(delegate: delegate_interface.AccessInterface, collectibleService: collectible_service.Service):
+proc newModule*(delegate: delegate_interface.AccessInterface, events: EventEmitter, collectibleService: collectible_service.Service):
   Module =
   result = Module()
   result.delegate = delegate
   result.view = newView(result)
-  result.controller = controller.newController(result, collectibleService)
+  result.controller = controller.newController(result, events, collectibleService)
   result.moduleLoaded = false
 
 method delete*(self: Module) =
@@ -39,7 +40,9 @@ method viewDidLoad*(self: Module) =
   self.delegate.collectionsModuleDidLoad()
 
 method loadCollections*(self: Module, address: string) =
-  let collections = self.controller.getCollections(address)
+  self.controller.getCollections(address)
+
+method setCollections*(self: Module, collections: seq[CollectionDto]) =
   self.view.setItems(
     collections.map(c => initItem(
       c.name,

src/app/modules/main/wallet_section/collectibles/module.nim

@@ -32,7 +32,7 @@ proc newModule*(
   result.moduleLoaded = false
 
   result.collectiblesModule = collectibles_module.newModule(result, collectibleService)
-  result.collectionsModule = collectionsModule.newModule(result, collectibleService)
+  result.collectionsModule = collectionsModule.newModule(result, events, collectibleService)
   result.collectibleModule = collectibleModule.newModule(result, collectibleService)
 
 method delete*(self: Module) =

src/app_service/service/collectible/async_tasks.nim

@@ -0,0 +1,17 @@
+type
+  GetCollectionsTaskArg = ref object of QObjectTaskArg
+    chainId*: int
+    address*: string
+
+const getCollectionsTaskArg: Task = proc(argEncoded: string) {.gcsafe, nimcall.} =
+  let arg = decode[GetCollectionsTaskArg](argEncoded)
+
+  try:
+    let response = backend.getOpenseaCollectionsByOwner(arg.chainId, arg.address)
+    arg.finish(response.result)
+  except Exception as e:
+    let errDesription = e.msg
+    error "error: ", errDesription
+    arg.finish("")
+
+  

src/app_service/service/collectible/service.nim

@@ -1,10 +1,15 @@
-import chronicles, sequtils, json
+import NimQml, chronicles, sequtils, json
+import ../../../app/core/eventemitter
+import ../../../app/core/tasks/[qt, threadpool]
 
 import dto
 import ../network/service as network_service
 
 import ../../../backend/backend
 
+include ../../common/json_utils
+include async_tasks
+
 export dto
 
 logScope:
@@ -12,31 +17,59 @@ logScope:
 
 const limit = 200
 
+const GetCollections* = "get-collections"
+
 type
-  Service* = ref object of RootObj
+  GetCollectionsArgs* = ref object of Args
+    collections*: seq[CollectionDto]
+
+QtObject:
+  type
+    Service* = ref object of QObject
+      events: EventEmitter
+      threadpool: ThreadPool
       networkService: network_service.Service
 
-proc delete*(self: Service) =
-  discard
+  proc delete*(self: Service) =
+      self.QObject.delete
 
-proc newService*(networkService: network_service.Service): Service =
+  proc newService*(
+    events: EventEmitter,
+    threadpool: ThreadPool,
+    networkService: network_service.Service,
+  ): Service =
     result = Service()
+    result.QObject.setup
+    result.events = events
+    result.threadpool = threadpool
     result.networkService = networkService
 
-proc init*(self: Service) =
+  proc init*(self: Service) =
     discard
 
-proc getCollections*(self: Service, address: string): seq[CollectionDto] =
+  proc onGetCollections*(self: Service, response: string) {.slot.} =
     try:
-    let chainId = self.networkService.getNetworkForCollectibles().chainId
-    let response = backend.getOpenseaCollectionsByOwner(chainId, address)
-    return map(response.result.getElems(), proc(x: JsonNode): CollectionDto = x.toCollectionDto())
-  except Exception as e:
-    let errDesription = e.msg
-    error "error: ", errDesription
+      let responseObj = response.parseJson
+      if (responseObj.kind != JArray):
+        self.events.emit(GetCollections, GetCollectionsArgs())
         return
       
-proc getCollectibles*(self: Service, address: string, collectionSlug: string): seq[CollectibleDto] =
+      let collections = map(responseObj.getElems(), proc(x: JsonNode): CollectionDto = x.toCollectionDto())
+      self.events.emit(GetCollections, GetCollectionsArgs(collections: collections))
+    except:
+      self.events.emit(GetCollections, GetCollectionsArgs())
+
+  proc getCollectionsAsync*(self: Service, address: string) =
+    let arg = GetCollectionsTaskArg(
+      tptr: cast[ByteAddress](getCollectionsTaskArg),
+      vptr: cast[ByteAddress](self.vptr),
+      slot: "onGetCollections",
+      chainId: self.networkService.getNetworkForCollectibles().chainId,
+      address: address,
+    )
+    self.threadpool.start(arg)
+    
+  proc getCollectibles*(self: Service, address: string, collectionSlug: string): seq[CollectibleDto] =
     try:
       let chainId = self.networkService.getNetworkForCollectibles().chainId
       let response = backend.getOpenseaAssetsByOwnerAndCollection(chainId, address, collectionSlug, limit)