ok but now server side make template ez

report.go

@@ -3,6 +3,7 @@ package main
 import (
 	"context"
 	_ "embed"
+	"errors"
 	"io"
 	"text/template"
 	"time"
@@ -12,7 +13,35 @@ import (
 var reportTMPL string
 
 func ReportSince(ctx context.Context, w io.Writer, s Storage, t time.Time) error {
-	tmpl, err := template.New("report").Parse(reportTMPL)
+	tmpl := template.New("report").Funcs(map[string]any{
+		"time": func(foo string, args ...any) (any, error) {
+			switch foo {
+			case "Unix":
+				seconds, _ := args[0].(uint64)
+				return time.Unix(int64(seconds), 0), nil
+			case "Time.Format":
+				t, _ := args[1].(time.Time)
+				return t.Format(args[0].(string)), nil
+			}
+			return nil, errors.New("not impl")
+		},
+		"null": func() any {
+			return nil
+		},
+		"append": func(arr any, v any) (any, error) {
+			if v == nil {
+				return arr, nil
+			}
+			switch arr := arr.(type) {
+			case []any:
+				return append(arr, v), nil
+			case nil:
+				return []any{v}, nil
+			}
+			return nil, errors.New("unknown type in append")
+		},
+	})
+	tmpl, err := tmpl.Parse(reportTMPL)
 	if err != nil {
 		return err
 	}

report.tmpl

@@ -49,13 +49,48 @@
           </rows>
         </rows>
         <rows>
-          <h2>Events</h2>
+          <div>
-          <table>
+            <h2>Events</h2>
-            <tr><th>event</th></tr>
+            <table>
-            <tr><td>LIST ME</td></tr>
+              <tr>
-            <tr><td>LIST ME</td></tr>
+                <th>TS</th>
-            <tr><td>LIST ME</td></tr>
+                <th>Event</th>
-          </table>
+                <th>EventName</th>
+                <th>LastPlaintext</th>
+                <th>Source</th>
+              </tr>
+              {{ $messages := .messages }}
+              {{ range .events }}
+                {{ $event := . }}
+                {{ $event_messages := null }}
+                {{ $event_message := null }}
+                {{ range $messages }}
+                  {{ if eq .Event $event }}
+                    {{ $event_message = . }}
+                    {{ $event_messages = append $event_messages . }}
+                  {{ end }}
+                {{ end }}
+                <div>
+                  <br>messages={{ $messages }}
+                  <br>event ={{ $event }}
+                  <br>event_messages ={{ $event_messages }}
+                </div>
+                <tr>
+                  <td>{{ time "Unix" $event_message.TS | time "Time.Format" "Mon Jan 2" }}</td>
+                  <td><a href="https://TODO">{{ $event_message.Event }}</a></td>
+                  <td>{{ $event_message.EventName }}</td>
+                  <td>
+                    {{ $last_message := null }}
+                    {{ range $event_messages }}
+                      {{ $last_message = . }}
+                    {{ end }}
+                    {{ $last_message.Plaintext }}
+                  </td>
+                  <td><a href="{{ $event_message.Source }}">link</a></td>
+                </tr>
+              {{ end }}
+            </table>
+          </div>
         </rows>
       </rows>
     </columns>