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oc-discovery/docs/diagrams/13_planner_flow.mmd
2026-02-24 14:31:37 +01:00

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sequenceDiagram
title Stream — Session Planner : Pair A demande le plan de Pair B
participant AppA as App Pair A (oc-booking)
participant NATSA as NATS A
participant NodeA as Node A
participant StreamA as StreamService A
participant NodeB as Node B
participant StreamB as StreamService B
participant DBB as DB Pair B (oc-lib)
participant NATSB as NATS B
%% Ouverture session planner
AppA->>NATSA: Publish(PROPALGATION_EVENT, {PB_PLANNER, peer_id:PeerID_B, payload:{}})
NATSA->>NodeA: ListenNATS → PB_PLANNER
NodeA->>NodeA: Unmarshal → {peer_id: PeerID_B, payload: {}}
NodeA->>StreamA: PublishCommon(nil, user, PeerID_B, ProtocolSendPlanner, {})
Note over StreamA: WaitResponse=true, TTL=24h<br/>Stream long-lived vers Pair B
StreamA->>NodeB: TempStream /opencloud/resource/planner/1.0
StreamA->>NodeB: json.Encode(Event{Type:planner, From:DID_A, Payload:{}})
NodeB->>StreamB: HandleResponse → readLoop(ProtocolSendPlanner)
StreamB->>StreamB: handleEvent(ProtocolSendPlanner, evt)
StreamB->>StreamB: sendPlanner(evt)
alt evt.Payload vide (requête initiale)
StreamB->>DBB: planner.GenerateShallow(AdminRequest)
DBB-->>StreamB: plan (shallow booking plan de Pair B)
StreamB->>StreamA: PublishCommon(nil, user, DID_A, ProtocolSendPlanner, planJSON)
StreamA->>NodeA: json.Encode(Event{plan de B})
NodeA->>NATSA: (forwardé à AppA via SEARCH_EVENT ou PLANNER event)
NATSA->>AppA: Plan de Pair B
else evt.Payload non vide (mise à jour planner)
StreamB->>StreamB: m["peer_id"] = evt.From (DID_A)
StreamB->>NATSB: SetNATSPub(PROPALGATION_EVENT, {PB_PLANNER, peer_id:DID_A, payload:plan})
NATSB->>DBB: (oc-booking traite le plan sur NATS B)
end
%% Fermeture session planner
AppA->>NATSA: Publish(PROPALGATION_EVENT, {PB_CLOSE_PLANNER, peer_id:PeerID_B})
NATSA->>NodeA: ListenNATS → PB_CLOSE_PLANNER
NodeA->>NodeA: Unmarshal → {peer_id: PeerID_B}
NodeA->>StreamA: Mu.Lock()
NodeA->>StreamA: Streams[ProtocolSendPlanner][PeerID_B].Stream.Close()
NodeA->>StreamA: delete(Streams[ProtocolSendPlanner], PeerID_B)
NodeA->>StreamA: Mu.Unlock()
Note over StreamA,NodeB: Stream planner fermé — session terminée