From 2a0c9e508259cb13eb1d3c2ee9a8438e364b59c4 Mon Sep 17 00:00:00 2001
From: Ted Unangst <tedu@tedunangst.com>
Date: Fri, 26 Apr 2019 15:31:42 -0400
Subject: [PATCH] take me off this list!!!

---
 activity.go        | 27 +++++++++++++++++++++++++++
 honk.go            | 25 ++++++++++++++++++++++++-
 views/honkers.html |  1 +
 3 files changed, 52 insertions(+), 1 deletion(-)

diff --git a/activity.go b/activity.go
index 4783a0b..b5713b2 100644
--- a/activity.go
+++ b/activity.go
@@ -597,6 +597,33 @@ func rubadubdub(user *WhatAbout, req map[string]interface{}) {
 	stmtSaveDub.Exec(user.ID, actor, actor, "dub")
 }
 
+func itakeitallback(user *WhatAbout, xid string) error {
+	j := NewJunk()
+	j["@context"] = itiswhatitis
+	j["id"] = user.URL + "/unsub/" + xid
+	j["type"] = "Undo"
+	j["actor"] = user.URL
+	j["to"] = xid
+	f := NewJunk()
+	f["id"] = user.URL + "/sub/" + xid
+	f["type"] = "Follow"
+	f["actor"] = user.URL
+	f["to"] = xid
+	j["object"] = f
+	j["published"] = time.Now().UTC().Format(time.RFC3339)
+
+	box, err := getboxes(xid)
+	if err != nil {
+		return err
+	}
+	keyname, key := ziggy(user.Name)
+	err = PostJunk(keyname, key, box.In, j)
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
 func subsub(user *WhatAbout, xid string) {
 	j := NewJunk()
 	j["@context"] = itiswhatitis
diff --git a/honk.go b/honk.go
index 5110dfc..5e56db9 100644
--- a/honk.go
+++ b/honk.go
@@ -1017,6 +1017,29 @@ func savehonker(w http.ResponseWriter, r *http.Request) {
 	honkerid, _ := strconv.ParseInt(r.FormValue("honkerid"), 10, 0)
 
 	if honkerid > 0 {
+		goodbye := r.FormValue("goodbye")
+		if goodbye == "goodbye" {
+			db := opendatabase()
+			row := db.QueryRow("select xid from honkers where honkerid = ? and userid = ?",
+				honkerid, u.UserID)
+			var xid string
+			err := row.Scan(&xid)
+			if err != nil {
+				log.Printf("can't get honker xid: %s", err)
+				return
+			}
+			log.Printf("unsubscribing from %s", xid)
+			user, _ := butwhatabout(u.Username)
+			err = itakeitallback(user, xid)
+			if err != nil {
+				log.Printf("can't take it back: %s", err)
+			} else {
+				db.Exec("update honkers set flavor = 'unsub' where honkerid = ?", honkerid)
+			}
+
+			http.Redirect(w, r, "/honkers", http.StatusSeeOther)
+			return
+		}
 		combos = " " + strings.TrimSpace(combos) + " "
 		_, err := stmtUpdateHonker.Exec(combos, honkerid, u.UserID)
 		if err != nil {
@@ -1254,7 +1277,7 @@ func preparetodie(db *sql.DB, s string) *sql.Stmt {
 }
 
 func prepareStatements(db *sql.DB) {
-	stmtHonkers = preparetodie(db, "select honkerid, userid, name, xid, flavor, combos from honkers where userid = ? and flavor = 'sub' or flavor = 'peep'")
+	stmtHonkers = preparetodie(db, "select honkerid, userid, name, xid, flavor, combos from honkers where userid = ? and (flavor = 'sub' or flavor = 'peep' or flavor = 'unsub') order by name")
 	stmtSaveHonker = preparetodie(db, "insert into honkers (userid, name, xid, flavor, combos) values (?, ?, ?, ?, ?)")
 	stmtUpdateHonker = preparetodie(db, "update honkers set combos = ? where honkerid = ? and userid = ?")
 	stmtHasHonker = preparetodie(db, "select honkerid from honkers where xid = ? and userid = ?")
diff --git a/views/honkers.html b/views/honkers.html
index b9a105f..2b01500 100644
--- a/views/honkers.html
+++ b/views/honkers.html
@@ -27,6 +27,7 @@
 <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" value="" autocomplete=off> (say "goodbye")
 <p><input type="submit" name="save" value="save">
 </form>
 </div>