🐛 Improve selection of near copies to sync

common/src/app/common/types/container.cljc

@@ -150,6 +150,22 @@
      :else
      (get-head-shape objects (get objects (:parent-id shape)) options))))
 
+(defn get-parent-heads
+  "Get all component heads that are ancestors of the shape, in top-down order
+   (include self if it's also a head)."
+  [objects shape]
+  (->> (cfh/get-parents-with-self objects (:id shape))
+       (filter ctk/instance-head?)
+       (reverse)))
+
+(defn get-parent-copy-heads
+  "Get all component heads that are ancestors of the shape, in top-down order,
+   excluding mains (include self if it's also a head)."
+  [objects shape]
+  (->> (cfh/get-parents-with-self objects (:id shape))
+       (filter #(and (ctk/instance-head? %) (ctk/in-component-copy? %)))
+       (reverse)))
+
 (defn get-instance-root
   "Get the parent shape at the top of the component instance (main or copy)."
   [objects shape]

common/src/app/common/types/file.cljc

@@ -117,6 +117,12 @@
   [libraries component-id & {:keys [include-deleted?] :or {include-deleted? false}}]
   (some #(ctkl/get-component (:data %) component-id include-deleted?) (vals libraries)))
 
+(defn find-component-file
+  [file libraries component-file]
+  (if (and (some? file) (= component-file (:id file)))
+    file
+    (get libraries component-file)))
+
 (defn get-component
   "Retrieve a component from a library."
   [libraries library-id component-id & {:keys [include-deleted?] :or {include-deleted? false}}]
@@ -188,21 +194,30 @@
   "Locate the nearest component in the local file or libraries, and retrieve the shape
    referenced by the instance shape."
   [file page libraries shape & {:keys [include-deleted?] :or {include-deleted? false}}]
-  (let [parent-heads (->> (cfh/get-parents-with-self (:objects page) (:id shape))
-                          (filter ctk/instance-head?)
-                          (reverse))
-
-        find-ref-shape-in-head
+  (let [find-ref-shape-in-head
         (fn [head-shape]
-          (let [head-file      (if (and (some? file) (= (:component-file head-shape) (:id file)))
-                                 file
-                                 (get libraries (:component-file head-shape)))
+          (let [head-file      (find-component-file file libraries (:component-file head-shape))
                 head-component (when (some? head-file)
                                  (ctkl/get-component (:data head-file) (:component-id head-shape) include-deleted?))]
             (when (some? head-component)
               (get-ref-shape (:data head-file) head-component shape))))]
 
-    (some find-ref-shape-in-head parent-heads)))
+    (some find-ref-shape-in-head (ctn/get-parent-heads (:objects page) shape))))
+
+(defn find-ref-component
+  "Locate the nearest component in the local file or libraries that is referenced by the
+   instance shape."
+  [file page libraries shape & {:keys [include-deleted?] :or {include-deleted? false}}]
+  (let [find-ref-component-in-head
+        (fn [head-shape]
+          (let [head-file      (find-component-file file libraries (:component-file head-shape))
+                head-component (when (some? head-file)
+                                 (ctkl/get-component (:data head-file) (:component-id head-shape) include-deleted?))]
+            (when (some? head-component)
+              (when (get-ref-shape (:data head-file) head-component shape)
+                head-component))))]
+
+    (some find-ref-component-in-head (ctn/get-parent-copy-heads (:objects page) shape))))
 
 (defn find-remote-shape
   "Recursively go back by the :shape-ref of the shape until find the correct shape of the original component"
@@ -229,6 +244,13 @@
         remote-shape
         (find-remote-shape component-container libraries remote-shape)))))
 
+(defn direct-copy?
+  "Check if the shape is in a direct copy of the component (i.e. the shape-ref points to shapes inside
+   the component)."
+  [shape component page file libraries]
+  (let [ref-component (find-ref-component file page libraries shape :include-deleted? true)]
+    (true? (= (:id component) (:id ref-component)))))
+
 (defn get-component-shapes
   "Retrieve all shapes of the component"
   [file-data component]

frontend/src/app/main/data/workspace/libraries_helpers.cljs

@@ -599,15 +599,10 @@
         library    (dm/get-in libraries [(:component-file shape-inst) :data])
         component  (or (ctkl/get-component library (:component-id shape-inst))
                        (and reset?
-                            (ctkl/get-deleted-component library (:component-id shape-inst))))
-        component-shape (ctn/get-component-shape (:objects container) shape-inst)]
+                            (ctkl/get-deleted-component library (:component-id shape-inst))))]
     (if (and (ctk/in-component-copy? shape-inst)
-             (or (= (:id component) (:component-id component-shape)) reset?)) ; In a normal sync, we don't want to sync remote mains, only near
+             (or (ctf/direct-copy? shape-inst component container nil libraries) reset?)) ; In a normal sync, we don't want to sync remote mains, only direct/near
       (let [redirect-shaperef (partial redirect-shaperef container libraries)
-            library    (dm/get-in libraries [(:component-file shape-inst) :data])
-            component  (or (ctkl/get-component library (:component-id shape-inst))
-                           (and reset?
-                                (ctkl/get-deleted-component library (:component-id shape-inst))))
 
             shape-main (when component
                          (if (and reset? components-v2)