From d38807387c7c0b7ce02be8a459fb69351ae4cb4d Mon Sep 17 00:00:00 2001
From: iLLiCiTiT <jakub.trllo@gmail.com>
Date: Mon, 22 Nov 2021 15:54:26 +0100
Subject: [PATCH] added input link event handler synchronization

---
 .../event_handlers_server/event_sync_links.py | 145 ++++++++++++++++++
 1 file changed, 145 insertions(+)
 create mode 100644 openpype/modules/default_modules/ftrack/event_handlers_server/event_sync_links.py

diff --git a/openpype/modules/default_modules/ftrack/event_handlers_server/event_sync_links.py b/openpype/modules/default_modules/ftrack/event_handlers_server/event_sync_links.py
new file mode 100644
index 0000000000..5367fc0fbc
--- /dev/null
+++ b/openpype/modules/default_modules/ftrack/event_handlers_server/event_sync_links.py
@@ -0,0 +1,145 @@
+from pymongo import UpdateOne
+from bson.objectid import ObjectId
+
+from avalon.api import AvalonMongoDB
+
+from openpype_modules.ftrack.lib import (
+    CUST_ATTR_ID_KEY,
+    query_custom_attributes,
+
+    BaseEvent
+)
+
+
+class SyncLinksToAvalon(BaseEvent):
+    # Run after sync to avalon event handler
+    priority = 110
+
+    def __init__(self, session):
+        self.dbcon = AvalonMongoDB()
+
+        super(SyncLinksToAvalon, self).__init__(session)
+
+    def launch(self, session, event):
+        # Try to commit and if any error happen then recreate session
+        entities_info = event["data"]["entities"]
+        dependency_changes = []
+        removed_entities = set()
+        for entity_info in entities_info:
+            action = entity_info.get("action")
+            entityType = entity_info.get("entityType")
+            if action not in ("remove", "add"):
+                continue
+
+            if entityType == "task":
+                removed_entities.add(entity_info["entityId"])
+            elif entityType == "dependency":
+                dependency_changes.append(entity_info)
+
+        if not dependency_changes:
+            return
+
+        project_id = None
+        for entity_info in dependency_changes:
+            for parent_info in entity_info["parents"]:
+                if parent_info["entityType"] == "show":
+                    project_id = parent_info["entityId"]
+            if project_id is not None:
+                break
+
+        changed_to_ids = set()
+        for entity_info in dependency_changes:
+            to_id_change = entity_info["changes"]["to_id"]
+            if to_id_change["new"] is not None:
+                changed_to_ids.add(to_id_change["new"])
+
+            if to_id_change["old"] is not None:
+                changed_to_ids.add(to_id_change["old"])
+
+        self._update_in_links(session, changed_to_ids, project_id)
+
+    def _update_in_links(self, session, ftrack_ids, project_id):
+        if not ftrack_ids or project_id is None:
+            return
+
+        attr_def = session.query((
+            "select id from CustomAttributeConfiguration where key is \"{}\""
+        ).format(CUST_ATTR_ID_KEY)).first()
+        if attr_def is None:
+            return
+
+        project_entity = session.query((
+            "select full_name from Project where id is \"{}\""
+        ).format(project_id)).first()
+        if not project_entity:
+            return
+
+        project_name = project_entity["full_name"]
+        mongo_id_by_ftrack_id = self._get_mongo_ids_by_ftrack_ids(
+            session, attr_def["id"], ftrack_ids
+        )
+
+        filtered_ftrack_ids = tuple(mongo_id_by_ftrack_id.keys())
+        context_links = session.query((
+            "select from_id, to_id from TypedContextLink where to_id in ({})"
+        ).format(self.join_query_keys(filtered_ftrack_ids))).all()
+
+        mapping_by_to_id = {
+            ftrack_id: set()
+            for ftrack_id in filtered_ftrack_ids
+        }
+        all_from_ids = set()
+        for context_link in context_links:
+            to_id = context_link["to_id"]
+            from_id = context_link["from_id"]
+            if from_id == to_id:
+                continue
+            all_from_ids.add(from_id)
+            mapping_by_to_id[to_id].add(from_id)
+
+        mongo_id_by_ftrack_id.update(self._get_mongo_ids_by_ftrack_ids(
+            session, attr_def["id"], all_from_ids
+        ))
+        self.log.info(mongo_id_by_ftrack_id)
+        bulk_writes = []
+        for to_id, from_ids in mapping_by_to_id.items():
+            dst_mongo_id = mongo_id_by_ftrack_id[to_id]
+            links = []
+            for ftrack_id in from_ids:
+                link_mongo_id = mongo_id_by_ftrack_id.get(ftrack_id)
+                if link_mongo_id is None:
+                    continue
+
+                links.append({
+                    "_id": ObjectId(link_mongo_id),
+                    "linkedBy": "ftrack",
+                    "type": "breakdown"
+                })
+
+            bulk_writes.append(UpdateOne(
+                {"_id": ObjectId(dst_mongo_id)},
+                {"$set": {"data.inputLinks": links}}
+            ))
+
+        if bulk_writes:
+            self.dbcon.database[project_name].bulk_write(bulk_writes)
+
+    def _get_mongo_ids_by_ftrack_ids(self, session, attr_id, ftrack_ids):
+        output = query_custom_attributes(
+            session, [attr_id], ftrack_ids
+        )
+        mongo_id_by_ftrack_id = {}
+        for item in output:
+            mongo_id = item["value"]
+            if not mongo_id:
+                continue
+
+            ftrack_id = item["entity_id"]
+
+            mongo_id_by_ftrack_id[ftrack_id] = mongo_id
+        return mongo_id_by_ftrack_id
+
+
+def register(session):
+    '''Register plugin. Called when used as an plugin.'''
+    SyncLinksToAvalon(session).register()