From 22401dfbdbcf26133411b0032bac097910808357 Mon Sep 17 00:00:00 2001
From: Ted Unangst <tedu@tedunangst.com>
Date: Mon, 17 Jun 2019 12:18:37 -0400
Subject: [PATCH] tombstones for zonks

---
 activity.go | 18 ++++++++++++++++++
 honk.go     |  5 +++--
 2 files changed, 21 insertions(+), 2 deletions(-)

diff --git a/activity.go b/activity.go
index 8dc3079..fb61135 100644
--- a/activity.go
+++ b/activity.go
@@ -191,6 +191,19 @@ saveit:
 	return &donk
 }
 
+func iszonked(userid int64, xid string) bool {
+	row := stmtFindZonk.QueryRow(userid, xid)
+	var id int64
+	err := row.Scan(&id)
+	if err == nil {
+		return true
+	}
+	if err != sql.ErrNoRows {
+		log.Printf("err querying zonk: %s", err)
+	}
+	return false
+}
+
 func needxonk(user *WhatAbout, x *Honk) bool {
 	if x.What == "eradicate" {
 		return true
@@ -205,6 +218,10 @@ func needxonkid(user *WhatAbout, xid string) bool {
 	if strings.HasPrefix(xid, user.URL+"/h/") {
 		return false
 	}
+	if iszonked(user.ID, xid) {
+		log.Printf("already zonked: %s", xid)
+		return false
+	}
 	row := stmtFindXonk.QueryRow(user.ID, xid)
 	var id int64
 	err := row.Scan(&id)
@@ -228,6 +245,7 @@ func savexonk(user *WhatAbout, x *Honk) {
 				log.Printf("error eradicating: %s", err)
 			}
 		}
+		stmtSaveZonker.Exec(user.ID, x.XID, "zonk")
 		return
 	}
 	log.Printf("saving xonk: %s", x.XID)
diff --git a/honk.go b/honk.go
index cf7103c..136df98 100644
--- a/honk.go
+++ b/honk.go
@@ -1424,7 +1424,7 @@ var stmtHonkers, stmtDubbers, stmtSaveHonker, stmtUpdateFlavor, stmtUpdateCombos
 var stmtOneXonk, stmtPublicHonks, stmtUserHonks, stmtHonksByCombo, stmtHonksByConvoy *sql.Stmt
 var stmtHonksForUser, stmtHonksForMe, stmtSaveDub, stmtHonksByXonker *sql.Stmt
 var stmtHonksByHonker, stmtSaveHonk, stmtFileData, stmtWhatAbout *sql.Stmt
-var stmtFindXonk, stmtSaveDonk, stmtFindFile, stmtSaveFile *sql.Stmt
+var stmtFindZonk, stmtFindXonk, stmtSaveDonk, stmtFindFile, stmtSaveFile *sql.Stmt
 var stmtAddDoover, stmtGetDoovers, stmtLoadDoover, stmtZapDoover *sql.Stmt
 var stmtHasHonker, stmtThumbBiters, stmtZonkIt, stmtZonkDonks, stmtSaveZonker *sql.Stmt
 var stmtGetZonkers, stmtRecentHonkers, stmtGetXonker, stmtSaveXonker *sql.Stmt
@@ -1473,7 +1473,8 @@ func prepareStatements(db *sql.DB) {
 	stmtLoadDoover = preparetodie(db, "select tries, username, rcpt, msg from doovers where dooverid = ?")
 	stmtZapDoover = preparetodie(db, "delete from doovers where dooverid = ?")
 	stmtThumbBiters = preparetodie(db, "select userid, name, wherefore from zonkers where (wherefore = 'zonker' or wherefore = 'zurl' or wherefore = 'zword')")
-	stmtGetZonkers = preparetodie(db, "select zonkerid, name, wherefore from zonkers where userid = ?")
+	stmtFindZonk = preparetodie(db, "select zonkerid from zonkers where userid = ? and name = ? and wherefore = 'zonk'")
+	stmtGetZonkers = preparetodie(db, "select zonkerid, name, wherefore from zonkers where userid = ? and wherefore <> 'zonk'")
 	stmtSaveZonker = preparetodie(db, "insert into zonkers (userid, name, wherefore) values (?, ?, ?)")
 	stmtGetXonker = preparetodie(db, "select info from xonkers where name = ? and flavor = ?")
 	stmtSaveXonker = preparetodie(db, "insert into xonkers (name, info, flavor) values (?, ?, ?)")