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-rw-r--r--synapse/storage/databases/main/room.py104
1 files changed, 87 insertions, 17 deletions
diff --git a/synapse/storage/databases/main/room.py b/synapse/storage/databases/main/room.py
index e83d961c20..dc0c4b5499 100644
--- a/synapse/storage/databases/main/room.py
+++ b/synapse/storage/databases/main/room.py
@@ -1411,6 +1411,65 @@ class RoomStore(RoomBackgroundUpdateStore, RoomWorkerStore, SearchStore):
             desc="add_event_report",
         )
 
+    async def get_event_report(self, report_id: int) -> Optional[Dict[str, Any]]:
+        """Retrieve an event report
+
+        Args:
+            report_id: ID of reported event in database
+        Returns:
+            event_report: json list of information from event report
+        """
+
+        def _get_event_report_txn(txn, report_id):
+
+            sql = """
+                SELECT
+                    er.id,
+                    er.received_ts,
+                    er.room_id,
+                    er.event_id,
+                    er.user_id,
+                    er.content,
+                    events.sender,
+                    room_stats_state.canonical_alias,
+                    room_stats_state.name,
+                    event_json.json AS event_json
+                FROM event_reports AS er
+                LEFT JOIN events
+                    ON events.event_id = er.event_id
+                JOIN event_json
+                    ON event_json.event_id = er.event_id
+                JOIN room_stats_state
+                    ON room_stats_state.room_id = er.room_id
+                WHERE er.id = ?
+            """
+
+            txn.execute(sql, [report_id])
+            row = txn.fetchone()
+
+            if not row:
+                return None
+
+            event_report = {
+                "id": row[0],
+                "received_ts": row[1],
+                "room_id": row[2],
+                "event_id": row[3],
+                "user_id": row[4],
+                "score": db_to_json(row[5]).get("score"),
+                "reason": db_to_json(row[5]).get("reason"),
+                "sender": row[6],
+                "canonical_alias": row[7],
+                "name": row[8],
+                "event_json": db_to_json(row[9]),
+            }
+
+            return event_report
+
+        return await self.db_pool.runInteraction(
+            "get_event_report", _get_event_report_txn, report_id
+        )
+
     async def get_event_reports_paginate(
         self,
         start: int,
@@ -1468,18 +1527,15 @@ class RoomStore(RoomBackgroundUpdateStore, RoomWorkerStore, SearchStore):
                     er.room_id,
                     er.event_id,
                     er.user_id,
-                    er.reason,
                     er.content,
                     events.sender,
-                    room_aliases.room_alias,
-                    event_json.json AS event_json
+                    room_stats_state.canonical_alias,
+                    room_stats_state.name
                 FROM event_reports AS er
-                LEFT JOIN room_aliases
-                    ON room_aliases.room_id = er.room_id
-                JOIN events
+                LEFT JOIN events
                     ON events.event_id = er.event_id
-                JOIN event_json
-                    ON event_json.event_id = er.event_id
+                JOIN room_stats_state
+                    ON room_stats_state.room_id = er.room_id
                 {where_clause}
                 ORDER BY er.received_ts {order}
                 LIMIT ?
@@ -1490,15 +1546,29 @@ class RoomStore(RoomBackgroundUpdateStore, RoomWorkerStore, SearchStore):
 
             args += [limit, start]
             txn.execute(sql, args)
-            event_reports = self.db_pool.cursor_to_dict(txn)
-
-            if count > 0:
-                for row in event_reports:
-                    try:
-                        row["content"] = db_to_json(row["content"])
-                        row["event_json"] = db_to_json(row["event_json"])
-                    except Exception:
-                        continue
+
+            event_reports = []
+            for row in txn:
+                try:
+                    s = db_to_json(row[5]).get("score")
+                    r = db_to_json(row[5]).get("reason")
+                except Exception:
+                    logger.error("Unable to parse json from event_reports: %s", row[0])
+                    continue
+                event_reports.append(
+                    {
+                        "id": row[0],
+                        "received_ts": row[1],
+                        "room_id": row[2],
+                        "event_id": row[3],
+                        "user_id": row[4],
+                        "score": s,
+                        "reason": r,
+                        "sender": row[6],
+                        "canonical_alias": row[7],
+                        "name": row[8],
+                    }
+                )
 
             return event_reports, count