From d5b99e2b9a8f75750ddea7a218e0cf513d1296c1 Mon Sep 17 00:00:00 2001
From: Ted Unangst <tedu@tedunangst.com>
Date: Sun, 6 Oct 2019 21:33:10 -0400
Subject: [PATCH] allow resubscribing

---
 activity.go        |  4 ++++
 views/honkers.html |  6 +++++-
 web.go             | 33 ++++++++++++++++++++++++++++-----
 3 files changed, 37 insertions(+), 6 deletions(-)

diff --git a/activity.go b/activity.go
index 4683efc..98552aa 100644
--- a/activity.go
+++ b/activity.go
@@ -922,6 +922,10 @@ func itakeitallback(user *WhatAbout, xid string) {
 }
 
 func subsub(user *WhatAbout, xid string) {
+	if xid == "" {
+		log.Printf("can't subscribe to empty")
+		return
+	}
 	j := junk.New()
 	j["@context"] = itiswhatitis
 	j["id"] = user.URL + "/sub/" + url.QueryEscape(xid)
diff --git a/views/honkers.html b/views/honkers.html
index b6f87c9..e257e7f 100644
--- a/views/honkers.html
+++ b/views/honkers.html
@@ -39,7 +39,11 @@ function expandstuff() {
 <input type="hidden" name="CSRF" value="{{ $honkercsrf }}">
 <input type="hidden" name="honkerid" value="{{ .ID }}">
 <p>combos: <input type="text" name="combos" value="{{ range .Combos }}{{ . }} {{end}}">
-<p>depart: <input type="text" name="goodbye" placeholder="press F" value="" autocomplete=off>
+{{ if eq .Flavor "sub" }}
+<p>unsub: <input type="text" name="goodbye" placeholder="press F" value="" autocomplete=off>
+{{ else }}
+<p>resub: <input type="text" name="goodbye" placeholder="press X" value="" autocomplete=off>
+{{ end }}
 <p><button name="save" value="save">save</button>
 </form>
 </details>
diff --git a/web.go b/web.go
index 71dcc12..a086a2a 100644
--- a/web.go
+++ b/web.go
@@ -1183,20 +1183,43 @@ func submithonker(w http.ResponseWriter, r *http.Request) {
 			db := opendatabase()
 			row := db.QueryRow("select xid from honkers where honkerid = ? and userid = ?",
 				honkerid, u.UserID)
-			var xid string
-			err := row.Scan(&xid)
+			err := row.Scan(&url)
 			if err != nil {
 				log.Printf("can't get honker xid: %s", err)
 				return
 			}
-			log.Printf("unsubscribing from %s", xid)
+			log.Printf("unsubscribing from %s", url)
 			user, _ := butwhatabout(u.Username)
-			go itakeitallback(user, xid)
-			_, err = stmtUpdateFlavor.Exec("unsub", u.UserID, xid, "sub")
+			_, err = stmtUpdateFlavor.Exec("unsub", u.UserID, url, "sub")
 			if err != nil {
 				log.Printf("error updating honker: %s", err)
 				return
 			}
+			go itakeitallback(user, url)
+
+			http.Redirect(w, r, "/honkers", http.StatusSeeOther)
+			return
+		}
+		if goodbye == "X" {
+			db := opendatabase()
+			row := db.QueryRow("select xid from honkers where honkerid = ? and userid = ?",
+				honkerid, u.UserID)
+			err := row.Scan(&url)
+			if err != nil {
+				log.Printf("can't get honker xid: %s", err)
+				return
+			}
+			log.Printf("resubscribing to %s", url)
+			user, _ := butwhatabout(u.Username)
+			_, err = stmtUpdateFlavor.Exec("presub", u.UserID, url, "unsub")
+			if err == nil {
+				_, err = stmtUpdateFlavor.Exec("presub", u.UserID, url, "peep")
+			}
+			if err != nil {
+				log.Printf("error updating honker: %s", err)
+				return
+			}
+			go subsub(user, url)
 
 			http.Redirect(w, r, "/honkers", http.StatusSeeOther)
 			return