From 072890112caea85c22b05ec0b8799ad8f98d9897 Mon Sep 17 00:00:00 2001
From: Ted Unangst <tedu@tedunangst.com>
Date: Mon, 19 Aug 2019 03:02:24 -0400
Subject: [PATCH] experimental refresh button. dynamic html here we come.

---
 honk.go              | 20 +++++++++++++++++++-
 views/honkfrags.html |  5 +++++
 views/honkpage.html  | 28 ++++++++++++++++++++++++++++
 3 files changed, 52 insertions(+), 1 deletion(-)
 create mode 100644 views/honkfrags.html

diff --git a/honk.go b/honk.go
index 44210aa..3d51ab1 100644
--- a/honk.go
+++ b/honk.go
@@ -165,10 +165,25 @@ func homepage(w http.ResponseWriter, r *http.Request) {
 		} else {
 			honks = gethonksforuser(userid)
 			honks = osmosis(honks, userid)
+			if len(honks) > 0 {
+				templinfo["TopXID"] = honks[0].XID
+			}
 		}
 		templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
 	}
 
+	tname := "honkpage.html"
+	if topxid := r.FormValue("topxid"); topxid != "" {
+		for i, h := range honks {
+			if h.XID == topxid {
+				honks = honks[0:i]
+				break
+			}
+		}
+		log.Printf("topxid %d frags", len(honks))
+		tname = "honkfrags.html"
+	}
+
 	reverbolate(userid, honks)
 
 	templinfo["Honks"] = honks
@@ -179,7 +194,9 @@ func homepage(w http.ResponseWriter, r *http.Request) {
 	} else {
 		w.Header().Set("Cache-Control", "max-age=0")
 	}
-	err := readviews.Execute(w, "honkpage.html", templinfo)
+	w.Header().Set("Content-Type", "text/html")
+
+	err := readviews.Execute(w, tname, templinfo)
 	if err != nil {
 		log.Print(err)
 	}
@@ -1513,6 +1530,7 @@ func serve() {
 	getconfig("debug", &debug)
 	readviews = templates.Load(debug,
 		"views/honkpage.html",
+		"views/honkfrags.html",
 		"views/honkers.html",
 		"views/zonkers.html",
 		"views/combos.html",
diff --git a/views/honkfrags.html b/views/honkfrags.html
new file mode 100644
index 0000000..1b3ea44
--- /dev/null
+++ b/views/honkfrags.html
@@ -0,0 +1,5 @@
+<div>{{ .TopXID }}</div>
+{{ $BonkCSRF := .HonkCSRF }}
+{{ range .Honks }}
+{{ template "honk.html" map "Honk" . "BonkCSRF" $BonkCSRF }}
+{{ end }}
diff --git a/views/honkpage.html b/views/honkpage.html
index 38781e5..cc3ad17 100644
--- a/views/honkpage.html
+++ b/views/honkpage.html
@@ -11,6 +11,27 @@
 {{ end }}
 </div>
 {{ $BonkCSRF := .HonkCSRF }}
+{{ if .TopXID }}
+<div class="info" id="refreshbox">
+<script>
+var topxid = {{ .TopXID }}
+function refreshhonks() {
+	get("/?topxid=" + escape(topxid), function(xhr) {
+		var doc = xhr.responseXML
+		topel = doc.children[0].children[1].children[0]
+		topxid = topel.innerText
+		honks = doc.children[0].children[1].children
+		var mebox = document.getElementById("refreshbox")
+		for (var i = honks.length; i > 1; i--) {
+			mebox.insertAdjacentElement('afterend', honks[i-1])
+		}
+	})
+}
+</script>
+<p><button onclick="refreshhonks()">refresh</button>
+</div>
+
+{{ end }}
 {{ range .Honks }}
 {{ template "honk.html" map "Honk" . "BonkCSRF" $BonkCSRF }}
 {{ end }}
@@ -31,6 +52,13 @@ function post(url, data) {
 	x.setRequestHeader("Content-Type", "application/x-www-form-urlencoded")
 	x.send(data)
 }
+function get(url, whendone) {
+	var x = new XMLHttpRequest()
+	x.open("GET", url)
+	x.responseType = "document"
+	x.onload = function() { whendone(x) }
+	x.send()
+}
 function bonk(el, xid) {
 	el.innerHTML = "bonked"
 	el.disabled = true