improve formatting of summary messages

src/robusta/integrations/slack/sender.py

@@ -199,6 +199,8 @@ def __to_slack(self, block: BaseBlock, sink_name: str = None) -> List[SlackBlock
             return self.__to_slack_links(block.links)
         elif isinstance(block, ScanReportBlock):
             raise AssertionError("to_slack() should never be called on a ScanReportBlock")
+        elif isinstance(block, dict):
+            return [block]
         else:
             logging.warning(f"cannot convert block of type {type(block)} to slack format block: {block}")
             return []  # no reason to crash the entire report
@@ -433,26 +435,46 @@ def send_or_update_summary_message(
         now_ts_utc_dt = datetime.fromtimestamp(now_ts).astimezone(tz.UTC)
         formatted_now_ts = now_ts_utc_dt.strftime("%Y-%m-%d %H:%M UTC")
         time_text = (
-            f"*Group time range:* <!date^{int(summary_start)}^{{date_num}} {{time}}|{formatted_summary_start}>"
+            f"*Time interval:* <!date^{int(summary_start)}^{{date_num}} {{time}}|{formatted_summary_start}>"
             f" to <!date^{int(now_ts)}^{{date_num}} {{time}}|{formatted_now_ts}>"
         )
         group_by_criteria_str = ", ".join(f"`{header}`" for header in group_by_classification_header)
+
         blocks = [
-            MarkdownBlock("👀 Alert summary"),
-            MarkdownBlock(f"*Total alerts*: {n_total_alerts}"),
-            MarkdownBlock(f"*Matching criteria*: {group_by_criteria_str}"),
-            LinksBlock(
-                links=[
-                    LinkProp(
-                        text="Investigate 🔎",
-                        url=investigate_uri,
-                    )
-                ]
-            ),
-            MarkdownBlock(text=f"*Source:* `{self.cluster_name}`"),
-            MarkdownBlock(text=time_text),
-            table_block,
+            MarkdownBlock(f"*Alerts Summary - {n_total_alerts} Notifications*"),
         ]
+
+        source_txt = f"*Source:* `{self.cluster_name}`"
+        if platform_enabled:
+            blocks.extend([
+                {
+                    "type": "section",
+                    "text": {
+                        "type": "mrkdwn",
+                        "text": source_txt,
+                    },
+                    "accessory": {
+                        "type": "button",
+                        "text": {
+                            "type": "plain_text",
+                            "text": "Investigate 🔎",
+                        },
+                        "value": "click_me_123",  # FIXME
+                        "action_id": "button-action",  # FIXME
+                        "url": investigate_uri,
+                    },
+                }
+            ])
+        else:
+            blocks.append(MarkdownBlock(text=source_txt))
+
+        blocks.extend(
+            [
+                MarkdownBlock(f"*Matching criteria*: {group_by_criteria_str}"),
+                MarkdownBlock(text=time_text),
+                table_block,
+            ]
+        )
         output_blocks = []
         for block in blocks:
             output_blocks.extend(self.__to_slack(block, sink_params.name))