fix(cozy-sharing): Remove revoked sharing after last recipient

Author: shepilov

packages/cozy-sharing/src/state.js

@@ -258,6 +258,12 @@ const sharings = (state = [], action) => {
     case UPDATE_SHARING:
     case REVOKE_GROUP:
     case REVOKE_RECIPIENT:
+      if (
+        !isSharingADrive(action.sharing) &&
+        areAllRecipientsRevoked(action.sharing)
+      ) {
+        return state.filter(s => s.id !== action.sharing.id)
+      }
       return state.map(s => {
         return s.id !== action.sharing.id ? s : action.sharing
       })

packages/cozy-sharing/src/state.spec.js

@@ -343,6 +343,22 @@ describe('Sharing state', () => {
     )
   })
 
+  it('should forget a sharing when revoking the last recipient', () => {
+    const state = reducer(
+      reducer(
+        undefined,
+        receiveSharings({
+          sharings: [SHARING_1, SHARING_2]
+        })
+      ),
+      revokeRecipient(SHARING_2, 1)
+    )
+    expect(state.byDocId).toEqual({
+      folder_1: { sharings: [SHARING_1.id], permissions: [] }
+    })
+    expect(state.sharings).toEqual([SHARING_1])
+  })
+
   it('should revoke self', () => {
     const state = reducer(
       reducer(