fix: let factions end embargoes and trade agreements by XxFran10xX · Pull Request #187 · TF-Minecraft/SimpleFactions

XxFran10xX · 2026-10-19T18:20:20Z

Bug

Bug report from John (IC: Miras/Thalrix): "You can't remove embargos on other factions after setting them unless you sign a trade deal. There is no option for 'no trade agreement' in the menu."

The trade menu showed Click to end agreement on the current agreement, but the click handler called setTradeRelation with the same type again. Nothing removed a trade overlay. The only way out of an embargo was to replace it with a mutual deal that the other faction accepted, and a trade agreement could not be cancelled at all. Treaties already have "No Treaty".

Fix

Clicking the current trade agreement now calls the new RelationManager.endTradeRelation:

Embargo (not mutual): removes only our side. Their embargo on us, if any, stays. No request is sent, and they get no message unless their side changes (below).
Mutual agreements (Trade Agreement, Unequal Treaty leader side): removed on both sides. Both halves must go, because migrateMisplacedTradeRelations would otherwise restore the missing half on load.
Partner's side: whatever we end, the partner's overlay toward us is also removed if it is mutual or the linked half of ours. This covers an embargo laid over an existing deal: setting the embargo only overwrote our side, so their half of the deal was left behind and would refill ours on load (CodeRabbit finding). The partner's own one-sided overlays, such as their embargo on us, stay. Their leader is told, if online, whenever their side changes.
Locked (the subject side of an Unequal Treaty) still cannot be ended by that side.
Ending skips the diplomatic capacity check, as Allow ending relations while over diplomatic capacity #101 does for ending relations.

No config change.

Dev test

Bot e2e on TFMCDev01 with two real-character bots, each leading a throwaway faction, driving the actual menus (~/sf-trade-test/test.js): set an embargo from the menu, lift it (partner's own embargo untouched, no request or message to them), end a mutual Trade Agreement alone (both sides removed, partner told, no request), and lift an embargo laid over a deal (partner's orphaned half removed). Test factions deleted afterwards.

Tests

DiplomacyCoverageTest: embargo lifted on one side only; lifting an embargo laid over a deal, and ending a deal whose partner holds a different mutual type, leave nothing for the load migration to restore; mutual deal removed on both sides and not restored by the load migration; locked subject side refused; an unrelated partner overlay kept; null guards.
RelationMenusCoverageTest: clicking the current trade agreement ends it instead of setting it again, without a capacity check.

🤖 Generated with Claude Code

The trade menu showed "Click to end agreement" on the current agreement, but the click set the same type again. An embargo could only be replaced by a mutual deal the other faction accepted, and nobody could cancel a trade agreement. Clicking the current trade agreement now ends it. An embargo is lifted on our side only; a mutual agreement is removed on both sides, so loading does not restore the partner's half, and the partner's leader is told. Locked agreements (the subject side of an unequal treaty) stay locked. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

XxFran10xX · 2026-10-19T18:20:33Z

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coderabbitai · 2026-10-19T18:30:56Z

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📒 Files selected for processing: 2

src/main/java/net/tfminecraft/simplefactions/managers/RelationManager.java
src/test/java/net/tfminecraft/simplefactions/managers/DiplomacyCoverageTest.java

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📝 Summary

Summary by CodeRabbit

New Features
- Selecting the currently active trade agreement in the diplomacy menu ends it.
- Ending a unilateral agreement removes it for the initiating faction. Mutual agreements are removed for both factions when the linked agreement matches.
- An agreement cannot be ended directly if the initiating faction’s agreement is locked. Unrelated or locked agreements belonging to the other faction are preserved.

The change adds a service method to end trade relations and updates the diplomacy menu to use it when a player selects the active trade relation. Tests cover unilateral, mutual and linked relations, menu behaviour, and migration.

Changes: Trade agreement removal

Layer / File(s)	Summary
End trade relations `src/main/java/net/tfminecraft/simplefactions/managers/RelationManager.java`, `src/test/java/net/tfminecraft/simplefactions/managers/DiplomacyCoverageTest.java`	The service rejects null parties, missing relations and locked relations. It removes eligible overlays and notifies the online target leader when their overlay is removed. Tests cover unilateral, mutual and linked relations, including migration behaviour.
Active relation menu action `src/main/java/net/tfminecraft/simplefactions/managers/inventory/RelationView.java`, `src/test/java/net/tfminecraft/simplefactions/managers/inventory/RelationMenusCoverageTest.java`	Selecting the active trade relation ends it and returns to the diplomacy view. The handler skips capacity checks and relation setting.

Priority: ⬇️ Low

Estimated code review effort: 3 (Moderate) | ~20 minutes

Change: Bug fix

Sequence Diagram(s)

sequenceDiagram
  actor Player
  participant RelationView
  participant RelationManager
  participant OriginFaction
  participant TargetFaction
  Player->>RelationView: Select active trade relation
  RelationView->>RelationManager: End trade relation
  RelationManager->>OriginFaction: Remove eligible trade overlay
  opt Matching mutual or linked target overlay
    RelationManager->>TargetFaction: Remove target trade overlay
  end
  RelationView->>Player: Reopen diplomacy view

Suggested reviewers: ryanbarlow97

Merge Risk: ⚪ Minimal · up to cb851

Ending an agreement clears the mutual state that could restore it on load. No actionable merge-blocking risk remains after normal checks.

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coderabbitai · 2026-10-19T18:31:18Z

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XxFran10xX · 2026-10-19T18:31:24Z

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Actionable comments posted: 1

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Inline comments:
Review comments at
@src/main/java/net/tfminecraft/simplefactions/managers/RelationManager.java:
- Around line 385-386: Update FactionManager.migrateMisplacedTradeRelations so
its reverse-fill restores overlays only for legacy incomplete pairs, not an
origin overlay deliberately removed by RelationManager; preserve existing
mutual-overlay handling and add a regression case that runs migration after
ending a relation with an unrelated mutual partner overlay.

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📥 Commits

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📒 Files selected for processing: 4

src/main/java/net/tfminecraft/simplefactions/managers/RelationManager.java
src/main/java/net/tfminecraft/simplefactions/managers/inventory/RelationView.java
src/test/java/net/tfminecraft/simplefactions/managers/DiplomacyCoverageTest.java
src/test/java/net/tfminecraft/simplefactions/managers/inventory/RelationMenusCoverageTest.java

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coderabbitai · 2026-10-19T18:35:19Z

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Embargoing a trade partner only overwrote our own side, so lifting the embargo left their half of the old agreement. Loading then refilled our side from it and the agreement came back. Ending a trade overlay now also removes the partner's overlay toward us whenever it is mutual (or the linked half of ours); their own one-sided overlays, like an embargo on us, still stay. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

XxFran10xX · 2026-10-19T18:38:41Z

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coderabbitai · 2026-10-19T18:39:01Z

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XxFran10xX · 2026-10-19T19:37:25Z

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coderabbitai · 2026-10-19T19:37:32Z

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XxFran10xX · 2026-10-19T20:06:08Z

@coderabbitai resolve

XxFran10xX · 2026-10-19T20:06:09Z

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coderabbitai · 2026-10-19T20:06:21Z

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coderabbitai · 2026-10-19T20:06:34Z

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github-actions Bot added the size:M 30-99 effective changed lines (tests excluded in mixed PRs). label Oct 19, 2026

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Comment thread src/main/java/net/tfminecraft/simplefactions/managers/RelationManager.java Outdated

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XxFran10xX merged commit 809ed81 into main Oct 19, 2026
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XxFran10xX deleted the fix/end-trade-agreement branch October 19, 2026 20:06

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