initial commit

handler/check_handler.go

@@ -0,0 +1,69 @@
+package handler
+
+import (
+	"fmt"
+	"html/template"
+	"net/http"
+	"strconv"
+	"time"
+	"uptimemonitor"
+	"uptimemonitor/html"
+)
+
+func (h *Handler) ListChecks() http.HandlerFunc {
+	tmpl := template.Must(template.New("check.html").Funcs(template.FuncMap{
+		"sub": func(a, b int) int {
+			return a - b
+		},
+	}).ParseFS(html.FS, "check.html"))
+
+	type data struct {
+		Monitor   uptimemonitor.Monitor
+		Checks    []uptimemonitor.Check
+		Skeletons []int
+		MaxTime   int64
+		StartTime string
+		EndTime   string
+	}
+
+	return func(w http.ResponseWriter, r *http.Request) {
+		monitorID, err := strconv.Atoi(r.PathValue("monitor"))
+		if err != nil {
+			http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
+			return
+		}
+
+		monitor, err := h.Store.GetMonitorByID(r.Context(), monitorID)
+		if err != nil || monitor.ID == 0 {
+			http.Error(w, http.StatusText(http.StatusNotFound), http.StatusNotFound)
+			return
+		}
+
+		checks, err := h.Store.ListChecks(r.Context(), int64(monitorID), 60)
+		if err != nil {
+			http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
+			return
+		}
+
+		maxTime := int64(0)
+		for _, check := range checks {
+			if check.ResponseTimeMs > maxTime {
+				maxTime = check.ResponseTimeMs
+			}
+		}
+
+		err = tmpl.ExecuteTemplate(w, "check_list", data{
+			Monitor:   monitor,
+			Checks:    checks,
+			Skeletons: make([]int, 60),
+			MaxTime:   maxTime,
+			StartTime: time.Now().Add(-1 * time.Hour).Format("15:04"),
+			EndTime:   time.Now().Format("15:04"),
+		})
+
+		if err != nil {
+			http.Error(w, fmt.Sprintf("%v", err), http.StatusInternalServerError)
+			return
+		}
+	}
+}