added last value to index page

main.go

@@ -309,6 +309,30 @@ func (web *Web) index(c *gin.Context) {
 		watchMap[filter.WatchID].CronEntry = &entry
 	}
 
+	// get the last value stored, also doesn't really work with multiple values but meh again
+	rows, err := web.db.Table("watches").
+		Select("watches.id, max(filter_outputs.time) as time, filter_outputs.value").
+		Joins("left join filter_outputs on filter_outputs.watch_id = watches.id").
+		Order("filter_outputs.name").
+		Group("watches.id").
+		Rows()
+
+	if err != nil {
+		log.Println(err)
+	} else {
+		for rows.Next() {
+			var watchID uint
+			var _time string
+			var value string
+			err := rows.Scan(&watchID, &_time, &value)
+			if err != nil {
+				log.Println(err)
+				continue
+			}
+			watchMap[watchID].LastValue = value
+		}
+	}
+
 	c.HTML(http.StatusOK, "index", gin.H{
 		"watches":  watches,
 		"warnings": web.startupWarnings,

models.go

@@ -12,6 +12,7 @@ type Watch struct {
 	ID        uint        `form:"watch_id" yaml:"watch_id"`
 	Name      string      `form:"watch_name" yaml:"watch_name" binding:"required" validate:"min=1"`
 	CronEntry *cron.Entry `gorm:"-:all"`
+	LastValue string      `gorm:"-:all"`
 }
 
 type Filter struct {

templates/index.html

@@ -21,6 +21,7 @@ GoWatch
             <th>Name</th>
             <th>Last Run</th>
             <th>Next Run</th>
+            <th>Last Value</th>
             <th>Edit</th>
             <th>Delete</th>
         </tr>
@@ -36,6 +37,9 @@ GoWatch
             {{ else }}
                 <td class="h3" colspan="2">No schedule (Add cron filter)</td>
             {{ end }}
+            <td class="h3">
+                {{ .LastValue }}
+            </td>
             <td>
                 <a href="/watch/edit/{{ .ID }}" class="btn btn-success">Edit</a>
             </td>

todo.md

@@ -10,4 +10,3 @@
 - add index to docs/compose to fix link in pages
 - safe escape {{ }} for pages
 - xpath/css innerthtml option?
-- display value(s) on index page?