# Sequence diagram for desktop navigation GA and Matomo tracking

[Dargon789]

Reviewer's Guide

Implements GA4 and Matomo analytics events for desktop navigation activity and swap "to token" selection, centralizing desktop nav tracking and adding token selector callbacks for recent token interactions.

Sequence diagram for desktop navigation GA and Matomo tracking

sequenceDiagram
  actor User
  participant DesktopNav
  participant reportNavEvent
  participant matomoRequestEvent
  participant ga4

  User->>DesktopNav: navigate to new desktop route
  DesktopNav->>DesktopNav: compute currentPathname
  DesktopNav->>DesktopNav: activeNav = navs.find(item.key prefix)
  DesktopNav->>DesktopNav: useEffect on activeNav.eventKey
  alt activeNav has eventKey
    DesktopNav->>reportNavEvent: reportNavEvent(eventKey)
    Note over reportNavEvent: debounced 300ms
    reportNavEvent->>matomoRequestEvent: matomoRequestEvent({ category: RabbyWeb_Active, action: RabbyWeb_<eventKey> })
    reportNavEvent->>ga4: fireEvent(RabbyWeb_Active, { event_category: RabbyWeb_<eventKey> })
  else no eventKey
    DesktopNav-->>DesktopNav: no tracking
  end

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Sequence diagram for swap to-token selection analytics

sequenceDiagram
  actor User
  participant SwapTokenItem
  participant TokenSelect
  participant TokenSelector
  participant matomoRequestEvent
  participant ga4

  User->>SwapTokenItem: click to select to-token
  alt TokenSelect closed
    SwapTokenItem->>TokenSelect: open token selector
    TokenSelect->>TokenSelect: setTokenSelectorVisible(true)
    TokenSelect->>TokenSelect: onOpenTokenModal()
    TokenSelect->>SwapTokenItem: onOpenTokenModal callback
    SwapTokenItem->>matomoRequestEvent: matomoRequestEvent({ category: TokenSelect, action: Swap_To_Token })
    SwapTokenItem->>ga4: fireEvent(Swap_To_Token, { event_category: TokenSelect })
  end

  User->>TokenSelector: click recent token
  TokenSelector->>TokenSelector: onConfirm(token)
  TokenSelector->>TokenSelector: onSelectRecentToken(token)
  TokenSelector->>TokenSelect: onConfirm(token)
  TokenSelector->>SwapTokenItem: onSelectRecentToken callback
  SwapTokenItem->>matomoRequestEvent: matomoRequestEvent({ category: TokenSelect, action: Swap_To_Token_Recent })
  SwapTokenItem->>ga4: fireEvent(Swap_To_Token_Recent, { event_category: TokenSelect })

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Updated class diagram for desktop navigation and token selection tracking

classDiagram
  class DesktopNav {
    +DesktopNavAction action
    +boolean showRightItems
    +DesktopNavProps props
    -DesktopNavNavItem[] navs
    -DesktopNavNavItem activeNav
    +handleActionClick(nextAction DesktopNavAction) void
  }

  class DesktopNavNavItem {
    +string key
    +ReactComponentType icon
    +string title
    +boolean isSoon
    +string eventKey
  }

  class reportNavEvent {
    +reportNavEvent(eventKey string) void
  }

  class matomoRequestEvent {
    +matomoRequestEvent(options MatomoEventOptions) void
  }

  class ga4 {
    +fireEvent(name string, params GA4Params) void
  }

  class MatomoEventOptions {
    +string category
    +string action
  }

  class GA4Params {
    +string event_category
  }

  class SwapTokenItem {
    +boolean isFrom
    +onStartSelectChain() void
    +onOpenTokenModal() void
    +onSelectRecentToken(token TokenItem) void
  }

  class TokenSelect {
    +type TokenSelectType
    +onOpenTokenModal() void
    +onSelectRecentToken(token TokenItem) void
    +openTokenSelector() void
  }

  class TokenSelector {
    +onConfirm(token TokenItem) void
    +onSelectRecentToken(token TokenItem) void
  }

  class TokenItem {
    +string id
    +string symbol
    +string chain
  }

  DesktopNav "1" o-- "many" DesktopNavNavItem : navs
  DesktopNav --> reportNavEvent : uses
  reportNavEvent --> matomoRequestEvent : calls
  reportNavEvent --> ga4 : calls
  matomoRequestEvent --> MatomoEventOptions : parameter
  ga4 --> GA4Params : parameter

  SwapTokenItem --> TokenSelect : renders
  TokenSelect --> TokenSelector : renders
  TokenSelector --> TokenItem : selects

  SwapTokenItem --> matomoRequestEvent : onOpenTokenModal,onSelectRecentToken
  SwapTokenItem --> ga4 : onOpenTokenModal,onSelectRecentToken

  TokenSelect --> SwapTokenItem : callbacks
  TokenSelector --> SwapTokenItem : onSelectRecentToken callback
  TokenSelector --> TokenSelect : onConfirm callback

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File-Level Changes

Change	Details	Files
Centralize and update desktop navigation analytics tracking	Import Matomo and GA4 helpers plus lodash.debounce into DesktopNav Extend navigation config items with an eventKey identifier per nav entry Add a debounced reportNavEvent helper that fires Matomo and GA4 events when active nav changes Compute active nav via useMemo based on current pathname and trigger tracking in a useEffect Remove legacy one-off portfolio tracking logic from DesktopProfile to rely on new nav-based tracking	src/ui/component/DesktopNav/index.tsx src/ui/views/DesktopProfile/index.tsx
Track swap destination token selection via token selector hooks	Import Matomo and GA4 helpers into the swap token component Extend TokenSelect props to accept onOpenTokenModal and onSelectRecentToken callbacks and wire them through to TokenSelector Extend TokenSelector props to accept onSelectRecentToken and invoke it when a recent token is clicked In SwapTokenItem, for the "to" token, fire Matomo and GA4 events when opening the token modal and when selecting a recent token	src/ui/views/Swap/Component/Token.tsx src/ui/component/TokenSelector/index.tsx src/ui/component/TokenSelect/index.tsx

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Originally posted by @sourcery-ai[bot] in #50 (comment)