sequence_diagram_wiki_list.puml

@startuml
actor User
boundary WikiScreen
database AsyncStorage
control BearerFilter
control HydraController
control WikiService
control HydraRepository

database DB

box "Client" #LightBlue
participant WikiScreen
participant AsyncStorage
end box

box "Server" #Pink
control BearerFilter
control HydraController
control WikiService
control HydraRepository
end box

box "Model" #Orange
participant DB
end box

User -> WikiScreen : navigateToWikiScreen()
activate WikiScreen

group DECORATE REQUEST WITH JWT TOKEN
   WikiScreen -> AsyncStorage : getJwtToken()
   activate AsyncStorage
   AsyncStorage --> WikiScreen : jwtToken
   note right
      Currently logged in user jwt token.
      Retrieved from server after successful sign in
      **(UC_1)**.
   end note
   deactivate AsyncStorage
   WikiScreen -> WikiScreen : decorateRequestHeaders()
end

WikiScreen -> BearerFilter : **GET /wiki/entries** (token)

activate BearerFilter

group VALIDATE USER TOKEN

   BearerFilter -> BearerFilter : validateJwtToken(request)

   alt token is not valid
      BearerFilter --> WikiScreen : error message
      deactivate BearerFilter
      WikiScreen -> WikiScreen : showErrorMessage()
      WikiScreen -> WikiScreen : navigateToLoginScreen()

      ref over WikiScreen : **UC_1**

   else token is valid
      note right of BearerFilter
         userId decoded from token
      end note
      activate BearerFilter
      BearerFilter -> BearerFilter : decorateRequestWithUserId()
      BearerFilter -> HydraController : << forward request >>
      activate HydraController
      deactivate BearerFilter
      end alt

   end

   HydraController -> WikiService : getWikiEntries()
   activate WikiService
   WikiService -> HydraRepository : getWikiEntries()
   activate HydraRepository
   HydraRepository -> DB
   activate DB
   DB --> HydraRepository
   deactivate DB
   HydraRepository --> WikiService : List<Information>
   deactivate HydraRepository
   WikiService --> HydraController : List<Information>
   deactivate WikiService
   HydraController --> WikiScreen : List<Information>
   deactivate HydraController
   WikiScreen -> WikiScreen : renderWikiEntries()

@enduml