@startuml
'https://plantuml.com/state-diagram

'scale 600 width
[*] --> CreateProduct
[*] --> LoadAllProducts

state CreateProduct {
    HttpCreateProduct --> CallRpcCreateProduct : RPC
    CallRpcCreateProduct --> InsertRecord

    InsertRecord ---> RpcReturnDetailedProduct : RPC
    InsertRecord ---> ProductCreatedEvent : MQTT

    RpcReturnDetailedProduct --> [*]
    ProductCreatedEvent --> [*]
}

state LoadAllProducts {
    state "Received Load all HTTP Request" as HttpLoadAll
    state "Call RPC Load All" as CallRpcLoadAll
    state "Load add required data from DB" as LoadAllData
    state "Load all products" as LoadProducts
    state "Load all variants for all products" as LoadProductsVariants
    state "Load all products photos" as LoadProductsPhotos

    HttpLoadAll --> CallRpcLoadAll : RPC
    CallRpcLoadAll --> LoadAllData

    LoadAllData --> LoadProducts : concurrently
    LoadProducts --> CombineData

    LoadAllData --> LoadProductsVariants : concurrently
    LoadProductsVariants --> CombineData

    LoadAllData --> LoadProductsPhotos : concurrently
    LoadProductsPhotos --> CombineData

    LoadAllData --> LoadProductsStock : concurrently
    LoadProductsStock --> CombineData

    CombineData --> RpcReturnsList : RPC

    RpcReturnsList --> [*]
}

@enduml