Improve get_dashboard_versions to collect all pages

... to avoid missing history.

Author: amotl

CHANGES.rst

@@ -7,6 +7,8 @@ in progress
 ===========
 - Fixed ``grafana-wtf log`` subcommand for Grafana >= 11.6.0.
 - Fixed compatibility with Grafana >= 12.x.
+- Improved ``get_dashboard_versions`` to collect all pages
+  to avoid missing history. Thanks, @coderabbitai.
 
 2025-07-28 0.23.2
 =================

grafana_wtf/core.py

@@ -464,11 +464,21 @@ def search_items(self, expression, items, results):
     def get_dashboard_versions(self, dashboard_id):
         # https://grafana.com/docs/http_api/dashboard_versions/
         get_dashboard_versions_path = "/dashboards/id/%s/versions" % dashboard_id
-        data = self.grafana.dashboard.client.GET(get_dashboard_versions_path)
-        if "continueToken" in data:
-            return data["versions"]
-        else:
-            return data
+        results = []
+        params = {}
+        while True:
+            data = self.grafana.dashboard.client.GET(get_dashboard_versions_path, params=params)
+            # Older Grafana returned a plain list.
+            if isinstance(data, list):
+                results.extend(data)
+                break
+            # Newer Grafana returns a dict with `versions` and optional `continueToken`.
+            results.extend(data.get("versions", []))
+            token = data.get("continueToken")
+            if not token:
+                break
+            params = {"continueToken": token}
+        return results
 
     def explore_datasources(self):
         # Prepare indexes, mapping dashboards by uid, datasources by name