all repos — honk @ 28fa2b6f3e08eeb5c90d4256141a8bbecd4f2b09

my fork of honk

database.go (view raw)

  1//
  2// Copyright (c) 2019 Ted Unangst <tedu@tedunangst.com>
  3//
  4// Permission to use, copy, modify, and distribute this software for any
  5// purpose with or without fee is hereby granted, provided that the above
  6// copyright notice and this permission notice appear in all copies.
  7//
  8// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  9// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 10// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 11// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 12// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 13// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 14// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 15
 16package main
 17
 18import (
 19	"bytes"
 20	"database/sql"
 21	"encoding/json"
 22	"fmt"
 23	"log"
 24	"sort"
 25	"strconv"
 26	"strings"
 27	"time"
 28
 29	"humungus.tedunangst.com/r/webs/cache"
 30	"humungus.tedunangst.com/r/webs/httpsig"
 31	"humungus.tedunangst.com/r/webs/login"
 32)
 33
 34func userfromrow(row *sql.Row) (*WhatAbout, error) {
 35	user := new(WhatAbout)
 36	var seckey, options string
 37	err := row.Scan(&user.ID, &user.Name, &user.Display, &user.About, &user.Key, &seckey, &options)
 38	if err == nil {
 39		user.SecKey, _, err = httpsig.DecodeKey(seckey)
 40	}
 41	if err != nil {
 42		return nil, err
 43	}
 44	if user.ID > 0 {
 45		user.URL = fmt.Sprintf("https://%s/%s/%s", serverName, userSep, user.Name)
 46		err = unjsonify(options, &user.Options)
 47		if err != nil {
 48			log.Printf("error processing user options: %s", err)
 49		}
 50	} else {
 51		user.URL = fmt.Sprintf("https://%s/%s", serverName, user.Name)
 52	}
 53	if user.Options.Reaction == "" {
 54		user.Options.Reaction = "none"
 55	}
 56	return user, nil
 57}
 58
 59var somenamedusers = cache.New(cache.Options{Filler: func(name string) (*WhatAbout, bool) {
 60	row := stmtUserByName.QueryRow(name)
 61	user, err := userfromrow(row)
 62	if err != nil {
 63		return nil, false
 64	}
 65	return user, true
 66}})
 67
 68var somenumberedusers = cache.New(cache.Options{Filler: func(userid int64) (*WhatAbout, bool) {
 69	row := stmtUserByNumber.QueryRow(userid)
 70	user, err := userfromrow(row)
 71	if err != nil {
 72		return nil, false
 73	}
 74	return user, true
 75}})
 76
 77func getserveruser() *WhatAbout {
 78	var user *WhatAbout
 79	ok := somenumberedusers.Get(serverUID, &user)
 80	if !ok {
 81		log.Panicf("lost server user")
 82	}
 83	return user
 84}
 85
 86func butwhatabout(name string) (*WhatAbout, error) {
 87	var user *WhatAbout
 88	ok := somenamedusers.Get(name, &user)
 89	if !ok {
 90		return nil, fmt.Errorf("no user: %s", name)
 91	}
 92	return user, nil
 93}
 94
 95var honkerinvalidator cache.Invalidator
 96
 97func gethonkers(userid int64) []*Honker {
 98	rows, err := stmtHonkers.Query(userid)
 99	if err != nil {
100		log.Printf("error querying honkers: %s", err)
101		return nil
102	}
103	defer rows.Close()
104	var honkers []*Honker
105	for rows.Next() {
106		h := new(Honker)
107		var combos, meta string
108		err = rows.Scan(&h.ID, &h.UserID, &h.Name, &h.XID, &h.Flavor, &combos, &meta)
109		if err == nil {
110			err = unjsonify(meta, &h.Meta)
111		}
112		if err != nil {
113			log.Printf("error scanning honker: %s", err)
114			continue
115		}
116		h.Combos = strings.Split(strings.TrimSpace(combos), " ")
117		honkers = append(honkers, h)
118	}
119	return honkers
120}
121
122func getdubs(userid int64) []*Honker {
123	rows, err := stmtDubbers.Query(userid)
124	return dubsfromrows(rows, err)
125}
126
127func getnameddubs(userid int64, name string) []*Honker {
128	rows, err := stmtNamedDubbers.Query(userid, name)
129	return dubsfromrows(rows, err)
130}
131
132func dubsfromrows(rows *sql.Rows, err error) []*Honker {
133	if err != nil {
134		log.Printf("error querying dubs: %s", err)
135		return nil
136	}
137	defer rows.Close()
138	var honkers []*Honker
139	for rows.Next() {
140		h := new(Honker)
141		err = rows.Scan(&h.ID, &h.UserID, &h.Name, &h.XID, &h.Flavor)
142		if err != nil {
143			log.Printf("error scanning honker: %s", err)
144			return nil
145		}
146		honkers = append(honkers, h)
147	}
148	return honkers
149}
150
151func allusers() []login.UserInfo {
152	var users []login.UserInfo
153	rows, _ := opendatabase().Query("select userid, username from users where userid > 0")
154	defer rows.Close()
155	for rows.Next() {
156		var u login.UserInfo
157		rows.Scan(&u.UserID, &u.Username)
158		users = append(users, u)
159	}
160	return users
161}
162
163func getxonk(userid int64, xid string) *Honk {
164	row := stmtOneXonk.QueryRow(userid, xid)
165	return scanhonk(row)
166}
167
168func getbonk(userid int64, xid string) *Honk {
169	row := stmtOneBonk.QueryRow(userid, xid)
170	return scanhonk(row)
171}
172
173func getpublichonks() []*Honk {
174	dt := time.Now().UTC().Add(-7 * 24 * time.Hour).Format(dbtimeformat)
175	rows, err := stmtPublicHonks.Query(dt, 100)
176	return getsomehonks(rows, err)
177}
178func geteventhonks(userid int64) []*Honk {
179	rows, err := stmtEventHonks.Query(userid, 25)
180	honks := getsomehonks(rows, err)
181	sort.Slice(honks, func(i, j int) bool {
182		var t1, t2 time.Time
183		if honks[i].Time == nil {
184			t1 = honks[i].Date
185		} else {
186			t1 = honks[i].Time.StartTime
187		}
188		if honks[j].Time == nil {
189			t2 = honks[j].Date
190		} else {
191			t2 = honks[j].Time.StartTime
192		}
193		return t1.After(t2)
194	})
195	now := time.Now().Add(-24 * time.Hour)
196	for i, h := range honks {
197		t := h.Date
198		if tm := h.Time; tm != nil {
199			t = tm.StartTime
200		}
201		if t.Before(now) {
202			honks = honks[:i]
203			break
204		}
205	}
206	reversehonks(honks)
207	return honks
208}
209func gethonksbyuser(name string, includeprivate bool, wanted int64) []*Honk {
210	dt := time.Now().UTC().Add(-7 * 24 * time.Hour).Format(dbtimeformat)
211	limit := 50
212	whofore := 2
213	if includeprivate {
214		whofore = 3
215	}
216	rows, err := stmtUserHonks.Query(wanted, whofore, name, dt, limit)
217	return getsomehonks(rows, err)
218}
219func gethonksforuser(userid int64, wanted int64) []*Honk {
220	dt := time.Now().UTC().Add(-7 * 24 * time.Hour).Format(dbtimeformat)
221	rows, err := stmtHonksForUser.Query(wanted, userid, dt, userid, userid)
222	return getsomehonks(rows, err)
223}
224func gethonksforuserfirstclass(userid int64, wanted int64) []*Honk {
225	dt := time.Now().UTC().Add(-7 * 24 * time.Hour).Format(dbtimeformat)
226	rows, err := stmtHonksForUserFirstClass.Query(wanted, userid, dt, userid, userid)
227	return getsomehonks(rows, err)
228}
229
230func gethonksforme(userid int64, wanted int64) []*Honk {
231	dt := time.Now().UTC().Add(-7 * 24 * time.Hour).Format(dbtimeformat)
232	rows, err := stmtHonksForMe.Query(wanted, userid, dt, userid)
233	return getsomehonks(rows, err)
234}
235func getsavedhonks(userid int64, wanted int64) []*Honk {
236	rows, err := stmtHonksISaved.Query(wanted, userid)
237	return getsomehonks(rows, err)
238}
239func gethonksbyhonker(userid int64, honker string, wanted int64) []*Honk {
240	rows, err := stmtHonksByHonker.Query(wanted, userid, honker, userid)
241	return getsomehonks(rows, err)
242}
243func gethonksbyxonker(userid int64, xonker string, wanted int64) []*Honk {
244	rows, err := stmtHonksByXonker.Query(wanted, userid, xonker, xonker, userid)
245	return getsomehonks(rows, err)
246}
247func gethonksbycombo(userid int64, combo string, wanted int64) []*Honk {
248	combo = "% " + combo + " %"
249	rows, err := stmtHonksByCombo.Query(wanted, userid, userid, combo, userid, wanted, userid, combo, userid)
250	return getsomehonks(rows, err)
251}
252func gethonksbyconvoy(userid int64, convoy string, wanted int64) []*Honk {
253	rows, err := stmtHonksByConvoy.Query(wanted, userid, userid, convoy)
254	honks := getsomehonks(rows, err)
255	return honks
256}
257func gethonksbysearch(userid int64, q string, wanted int64) []*Honk {
258	var queries []string
259	var params []interface{}
260	queries = append(queries, "honks.honkid > ?")
261	params = append(params, wanted)
262	queries = append(queries, "honks.userid = ?")
263	params = append(params, userid)
264
265	terms := strings.Split(q, " ")
266	for _, t := range terms {
267		negate := " "
268		if t[0] == '-' {
269			t = t[1:]
270			negate = " not "
271		}
272		if t == "" {
273			continue
274		}
275		if strings.HasPrefix(t, "site:") {
276			site := t[5:]
277			site = "%" + site + "%"
278			queries = append(queries, "xid"+negate+"like ?")
279			params = append(params, site)
280			continue
281		}
282		if strings.HasPrefix(t, "honker:") {
283			honker := t[7:]
284			xid := fullname(honker, userid)
285			if xid != "" {
286				honker = xid
287			}
288			queries = append(queries, negate+"(honks.honker = ? or honks.oonker = ?)")
289			params = append(params, honker)
290			params = append(params, honker)
291			continue
292		}
293		t = "%" + t + "%"
294		queries = append(queries, "noise"+negate+"like ?")
295		params = append(params, t)
296	}
297
298	selecthonks := "select honks.honkid, honks.userid, username, what, honker, oonker, honks.xid, rid, dt, url, audience, noise, precis, format, convoy, whofore, flags from honks join users on honks.userid = users.userid "
299	where := "where " + strings.Join(queries, " and ")
300	butnotthose := " and convoy not in (select name from zonkers where userid = ? and wherefore = 'zonvoy' order by zonkerid desc limit 100)"
301	limit := " order by honks.honkid desc limit 250"
302	params = append(params, userid)
303	rows, err := opendatabase().Query(selecthonks+where+butnotthose+limit, params...)
304	honks := getsomehonks(rows, err)
305	return honks
306}
307func gethonksbyontology(userid int64, name string, wanted int64) []*Honk {
308	rows, err := stmtHonksByOntology.Query(wanted, name, userid, userid)
309	honks := getsomehonks(rows, err)
310	return honks
311}
312
313func reversehonks(honks []*Honk) {
314	for i, j := 0, len(honks)-1; i < j; i, j = i+1, j-1 {
315		honks[i], honks[j] = honks[j], honks[i]
316	}
317}
318
319func getsomehonks(rows *sql.Rows, err error) []*Honk {
320	if err != nil {
321		log.Printf("error querying honks: %s", err)
322		return nil
323	}
324	defer rows.Close()
325	var honks []*Honk
326	for rows.Next() {
327		h := scanhonk(rows)
328		if h != nil {
329			honks = append(honks, h)
330		}
331	}
332	rows.Close()
333	donksforhonks(honks)
334	return honks
335}
336
337type RowLike interface {
338	Scan(dest ...interface{}) error
339}
340
341func scanhonk(row RowLike) *Honk {
342	h := new(Honk)
343	var dt, aud string
344	err := row.Scan(&h.ID, &h.UserID, &h.Username, &h.What, &h.Honker, &h.Oonker, &h.XID, &h.RID,
345		&dt, &h.URL, &aud, &h.Noise, &h.Precis, &h.Format, &h.Convoy, &h.Whofore, &h.Flags)
346	if err != nil {
347		if err != sql.ErrNoRows {
348			log.Printf("error scanning honk: %s", err)
349		}
350		return nil
351	}
352	h.Date, _ = time.Parse(dbtimeformat, dt)
353	h.Audience = strings.Split(aud, " ")
354	h.Public = loudandproud(h.Audience)
355	return h
356}
357
358func donksforhonks(honks []*Honk) {
359	db := opendatabase()
360	var ids []string
361	hmap := make(map[int64]*Honk)
362	for _, h := range honks {
363		ids = append(ids, fmt.Sprintf("%d", h.ID))
364		hmap[h.ID] = h
365	}
366	idset := strings.Join(ids, ",")
367	// grab donks
368	q := fmt.Sprintf("select honkid, donks.fileid, xid, name, description, url, media, local from donks join filemeta on donks.fileid = filemeta.fileid where honkid in (%s)", idset)
369	rows, err := db.Query(q)
370	if err != nil {
371		log.Printf("error querying donks: %s", err)
372		return
373	}
374	defer rows.Close()
375	for rows.Next() {
376		var hid int64
377		d := new(Donk)
378		err = rows.Scan(&hid, &d.FileID, &d.XID, &d.Name, &d.Desc, &d.URL, &d.Media, &d.Local)
379		if err != nil {
380			log.Printf("error scanning donk: %s", err)
381			continue
382		}
383		h := hmap[hid]
384		h.Donks = append(h.Donks, d)
385	}
386	rows.Close()
387
388	// grab onts
389	q = fmt.Sprintf("select honkid, ontology from onts where honkid in (%s)", idset)
390	rows, err = db.Query(q)
391	if err != nil {
392		log.Printf("error querying onts: %s", err)
393		return
394	}
395	defer rows.Close()
396	for rows.Next() {
397		var hid int64
398		var o string
399		err = rows.Scan(&hid, &o)
400		if err != nil {
401			log.Printf("error scanning donk: %s", err)
402			continue
403		}
404		h := hmap[hid]
405		h.Onts = append(h.Onts, o)
406	}
407	rows.Close()
408
409	// grab meta
410	q = fmt.Sprintf("select honkid, genus, json from honkmeta where honkid in (%s)", idset)
411	rows, err = db.Query(q)
412	if err != nil {
413		log.Printf("error querying honkmeta: %s", err)
414		return
415	}
416	defer rows.Close()
417	for rows.Next() {
418		var hid int64
419		var genus, j string
420		err = rows.Scan(&hid, &genus, &j)
421		if err != nil {
422			log.Printf("error scanning honkmeta: %s", err)
423			continue
424		}
425		h := hmap[hid]
426		switch genus {
427		case "place":
428			p := new(Place)
429			err = unjsonify(j, p)
430			if err != nil {
431				log.Printf("error parsing place: %s", err)
432				continue
433			}
434			h.Place = p
435		case "time":
436			t := new(Time)
437			err = unjsonify(j, t)
438			if err != nil {
439				log.Printf("error parsing time: %s", err)
440				continue
441			}
442			h.Time = t
443		case "mentions":
444			err = unjsonify(j, &h.Mentions)
445			if err != nil {
446				log.Printf("error parsing mentions: %s", err)
447				continue
448			}
449		case "oldrev":
450		default:
451			log.Printf("unknown meta genus: %s", genus)
452		}
453	}
454	rows.Close()
455}
456
457func savefile(xid string, name string, desc string, url string, media string, local bool, data []byte) (int64, error) {
458	res, err := stmtSaveFile.Exec(xid, name, desc, url, media, local)
459	if err != nil {
460		return 0, err
461	}
462	fileid, _ := res.LastInsertId()
463	if local {
464		_, err = stmtSaveFileData.Exec(xid, media, data)
465		if err != nil {
466			return 0, err
467		}
468	}
469	return fileid, nil
470}
471
472func finddonk(url string) *Donk {
473	donk := new(Donk)
474	row := stmtFindFile.QueryRow(url)
475	err := row.Scan(&donk.FileID, &donk.XID)
476	if err == nil {
477		return donk
478	}
479	if err != sql.ErrNoRows {
480		log.Printf("error finding file: %s", err)
481	}
482	return nil
483}
484
485func savechonk(ch *Chonk) error {
486	dt := ch.Date.UTC().Format(dbtimeformat)
487	res, err := stmtSaveChonk.Exec(ch.UserID, ch.XID, ch.Who, ch.Target, dt, ch.Noise, ch.Format)
488	if err == nil {
489		ch.ID, _ = res.LastInsertId()
490	}
491	return err
492}
493
494func loadchatter(userid int64) map[string][]*Chonk {
495	rows, err := stmtLoadChonks.Query(userid)
496	if err != nil {
497		log.Printf("error loading chonks: %s", err)
498		return nil
499	}
500	defer rows.Close()
501	chonks := make(map[string][]*Chonk)
502	for rows.Next() {
503		ch := new(Chonk)
504		var dt string
505		err = rows.Scan(&ch.ID, &ch.UserID, &ch.XID, &ch.Who, &ch.Target, &dt, &ch.Noise, &ch.Format)
506		if err != nil {
507			log.Printf("error scanning chonk: %s", err)
508			continue
509		}
510		ch.Date, _ = time.Parse(dbtimeformat, dt)
511		chonks[ch.Target] = append(chonks[ch.Target], ch)
512	}
513	return chonks
514}
515
516func savehonk(h *Honk) error {
517	dt := h.Date.UTC().Format(dbtimeformat)
518	aud := strings.Join(h.Audience, " ")
519
520	db := opendatabase()
521	tx, err := db.Begin()
522	if err != nil {
523		log.Printf("can't begin tx: %s", err)
524		return err
525	}
526
527	res, err := tx.Stmt(stmtSaveHonk).Exec(h.UserID, h.What, h.Honker, h.XID, h.RID, dt, h.URL,
528		aud, h.Noise, h.Convoy, h.Whofore, h.Format, h.Precis,
529		h.Oonker, h.Flags)
530	if err == nil {
531		h.ID, _ = res.LastInsertId()
532		err = saveextras(tx, h)
533	}
534	if err == nil {
535		err = tx.Commit()
536	} else {
537		tx.Rollback()
538	}
539	if err != nil {
540		log.Printf("error saving honk: %s", err)
541	}
542	honkhonkline()
543	return err
544}
545
546func updatehonk(h *Honk) error {
547	old := getxonk(h.UserID, h.XID)
548	oldrev := OldRevision{Precis: old.Precis, Noise: old.Noise}
549	dt := h.Date.UTC().Format(dbtimeformat)
550
551	db := opendatabase()
552	tx, err := db.Begin()
553	if err != nil {
554		log.Printf("can't begin tx: %s", err)
555		return err
556	}
557
558	err = deleteextras(tx, h.ID, false)
559	if err == nil {
560		_, err = tx.Stmt(stmtUpdateHonk).Exec(h.Precis, h.Noise, h.Format, h.Whofore, dt, h.ID)
561	}
562	if err == nil {
563		err = saveextras(tx, h)
564	}
565	if err == nil {
566		var j string
567		j, err = jsonify(&oldrev)
568		if err == nil {
569			_, err = tx.Stmt(stmtSaveMeta).Exec(old.ID, "oldrev", j)
570		}
571		if err != nil {
572			log.Printf("error saving oldrev: %s", err)
573		}
574	}
575	if err == nil {
576		err = tx.Commit()
577	} else {
578		tx.Rollback()
579	}
580	if err != nil {
581		log.Printf("error updating honk %d: %s", h.ID, err)
582	}
583	return err
584}
585
586func deletehonk(honkid int64) error {
587	db := opendatabase()
588	tx, err := db.Begin()
589	if err != nil {
590		log.Printf("can't begin tx: %s", err)
591		return err
592	}
593
594	err = deleteextras(tx, honkid, true)
595	if err == nil {
596		_, err = tx.Stmt(stmtDeleteHonk).Exec(honkid)
597	}
598	if err == nil {
599		err = tx.Commit()
600	} else {
601		tx.Rollback()
602	}
603	if err != nil {
604		log.Printf("error deleting honk %d: %s", honkid, err)
605	}
606	return err
607}
608
609func saveextras(tx *sql.Tx, h *Honk) error {
610	for _, d := range h.Donks {
611		_, err := tx.Stmt(stmtSaveDonk).Exec(h.ID, d.FileID)
612		if err != nil {
613			log.Printf("error saving donk: %s", err)
614			return err
615		}
616	}
617	for _, o := range h.Onts {
618		_, err := tx.Stmt(stmtSaveOnt).Exec(strings.ToLower(o), h.ID)
619		if err != nil {
620			log.Printf("error saving ont: %s", err)
621			return err
622		}
623	}
624	if p := h.Place; p != nil {
625		j, err := jsonify(p)
626		if err == nil {
627			_, err = tx.Stmt(stmtSaveMeta).Exec(h.ID, "place", j)
628		}
629		if err != nil {
630			log.Printf("error saving place: %s", err)
631			return err
632		}
633	}
634	if t := h.Time; t != nil {
635		j, err := jsonify(t)
636		if err == nil {
637			_, err = tx.Stmt(stmtSaveMeta).Exec(h.ID, "time", j)
638		}
639		if err != nil {
640			log.Printf("error saving time: %s", err)
641			return err
642		}
643	}
644	if m := h.Mentions; len(m) > 0 {
645		j, err := jsonify(m)
646		if err == nil {
647			_, err = tx.Stmt(stmtSaveMeta).Exec(h.ID, "mentions", j)
648		}
649		if err != nil {
650			log.Printf("error saving mentions: %s", err)
651			return err
652		}
653	}
654	return nil
655}
656
657func deleteextras(tx *sql.Tx, honkid int64, everything bool) error {
658	_, err := tx.Stmt(stmtDeleteDonks).Exec(honkid)
659	if err != nil {
660		return err
661	}
662	_, err = tx.Stmt(stmtDeleteOnts).Exec(honkid)
663	if err != nil {
664		return err
665	}
666	if everything {
667		_, err = tx.Stmt(stmtDeleteAllMeta).Exec(honkid)
668	} else {
669		_, err = tx.Stmt(stmtDeleteSomeMeta).Exec(honkid)
670	}
671	if err != nil {
672		return err
673	}
674	return nil
675}
676
677func jsonify(what interface{}) (string, error) {
678	var buf bytes.Buffer
679	e := json.NewEncoder(&buf)
680	e.SetEscapeHTML(false)
681	e.SetIndent("", "")
682	err := e.Encode(what)
683	return buf.String(), err
684}
685
686func unjsonify(s string, dest interface{}) error {
687	d := json.NewDecoder(strings.NewReader(s))
688	err := d.Decode(dest)
689	return err
690}
691
692func cleanupdb(arg string) {
693	db := opendatabase()
694	days, err := strconv.Atoi(arg)
695	var sqlargs []interface{}
696	var where string
697	if err != nil {
698		honker := arg
699		expdate := time.Now().UTC().Add(-3 * 24 * time.Hour).Format(dbtimeformat)
700		where = "dt < ? and honker = ?"
701		sqlargs = append(sqlargs, expdate)
702		sqlargs = append(sqlargs, honker)
703	} else {
704		expdate := time.Now().UTC().Add(-time.Duration(days) * 24 * time.Hour).Format(dbtimeformat)
705		where = "dt < ? and convoy not in (select convoy from honks where flags & 4 or whofore = 2 or whofore = 3)"
706		sqlargs = append(sqlargs, expdate)
707	}
708	doordie(db, "delete from honks where flags & 4 = 0 and whofore = 0 and "+where, sqlargs...)
709	doordie(db, "delete from donks where honkid not in (select honkid from honks)")
710	doordie(db, "delete from onts where honkid not in (select honkid from honks)")
711	doordie(db, "delete from honkmeta where honkid not in (select honkid from honks)")
712
713	doordie(db, "delete from filemeta where fileid not in (select fileid from donks)")
714	for _, u := range allusers() {
715		doordie(db, "delete from zonkers where userid = ? and wherefore = 'zonvoy' and zonkerid < (select zonkerid from zonkers where userid = ? and wherefore = 'zonvoy' order by zonkerid desc limit 1 offset 200)", u.UserID, u.UserID)
716	}
717
718	filexids := make(map[string]bool)
719	blobdb := openblobdb()
720	rows, err := blobdb.Query("select xid from filedata")
721	if err != nil {
722		log.Fatal(err)
723	}
724	for rows.Next() {
725		var xid string
726		err = rows.Scan(&xid)
727		if err != nil {
728			log.Fatal(err)
729		}
730		filexids[xid] = true
731	}
732	rows.Close()
733	rows, err = db.Query("select xid from filemeta")
734	for rows.Next() {
735		var xid string
736		err = rows.Scan(&xid)
737		if err != nil {
738			log.Fatal(err)
739		}
740		delete(filexids, xid)
741	}
742	rows.Close()
743	tx, err := blobdb.Begin()
744	if err != nil {
745		log.Fatal(err)
746	}
747	for xid, _ := range filexids {
748		_, err = tx.Exec("delete from filedata where xid = ?", xid)
749		if err != nil {
750			log.Fatal(err)
751		}
752	}
753	err = tx.Commit()
754	if err != nil {
755		log.Fatal(err)
756	}
757}
758
759var stmtHonkers, stmtDubbers, stmtNamedDubbers, stmtSaveHonker, stmtUpdateFlavor, stmtUpdateHonker *sql.Stmt
760var stmtAnyXonk, stmtOneXonk, stmtPublicHonks, stmtUserHonks, stmtHonksByCombo, stmtHonksByConvoy *sql.Stmt
761var stmtHonksByOntology, stmtHonksForUser, stmtHonksForMe, stmtSaveDub, stmtHonksByXonker *sql.Stmt
762var stmtHonksByHonker, stmtSaveHonk, stmtUserByName, stmtUserByNumber *sql.Stmt
763var stmtEventHonks, stmtOneBonk, stmtFindZonk, stmtFindXonk, stmtSaveDonk *sql.Stmt
764var stmtFindFile, stmtGetFileData, stmtSaveFileData, stmtSaveFile *sql.Stmt
765var stmtAddDoover, stmtGetDoovers, stmtLoadDoover, stmtZapDoover, stmtOneHonker *sql.Stmt
766var stmtUntagged, stmtDeleteHonk, stmtDeleteDonks, stmtDeleteOnts, stmtSaveZonker *sql.Stmt
767var stmtGetZonkers, stmtRecentHonkers, stmtGetXonker, stmtSaveXonker, stmtDeleteXonker *sql.Stmt
768var stmtAllOnts, stmtSaveOnt, stmtUpdateFlags, stmtClearFlags *sql.Stmt
769var stmtHonksForUserFirstClass *sql.Stmt
770var stmtSaveMeta, stmtDeleteAllMeta, stmtDeleteSomeMeta, stmtUpdateHonk *sql.Stmt
771var stmtHonksISaved, stmtGetFilters, stmtSaveFilter, stmtDeleteFilter *sql.Stmt
772var stmtGetTracks *sql.Stmt
773var stmtSaveChonk, stmtLoadChonks *sql.Stmt
774
775func preparetodie(db *sql.DB, s string) *sql.Stmt {
776	stmt, err := db.Prepare(s)
777	if err != nil {
778		log.Fatalf("error %s: %s", err, s)
779	}
780	return stmt
781}
782
783func prepareStatements(db *sql.DB) {
784	stmtHonkers = preparetodie(db, "select honkerid, userid, name, xid, flavor, combos, meta from honkers where userid = ? and (flavor = 'presub' or flavor = 'sub' or flavor = 'peep' or flavor = 'unsub') order by name")
785	stmtSaveHonker = preparetodie(db, "insert into honkers (userid, name, xid, flavor, combos, owner, meta) values (?, ?, ?, ?, ?, ?, ?)")
786	stmtUpdateFlavor = preparetodie(db, "update honkers set flavor = ? where userid = ? and xid = ? and name = ? and flavor = ?")
787	stmtUpdateHonker = preparetodie(db, "update honkers set name = ?, combos = ?, meta = ? where honkerid = ? and userid = ?")
788	stmtOneHonker = preparetodie(db, "select xid from honkers where name = ? and userid = ?")
789	stmtDubbers = preparetodie(db, "select honkerid, userid, name, xid, flavor from honkers where userid = ? and flavor = 'dub'")
790	stmtNamedDubbers = preparetodie(db, "select honkerid, userid, name, xid, flavor from honkers where userid = ? and name = ? and flavor = 'dub'")
791
792	selecthonks := "select honks.honkid, honks.userid, username, what, honker, oonker, honks.xid, rid, dt, url, audience, noise, precis, format, convoy, whofore, flags from honks join users on honks.userid = users.userid "
793	limit := " order by honks.honkid desc limit 250"
794	smalllimit := " order by honks.honkid desc limit ?"
795	butnotthose := " and convoy not in (select name from zonkers where userid = ? and wherefore = 'zonvoy' order by zonkerid desc limit 100)"
796	stmtOneXonk = preparetodie(db, selecthonks+"where honks.userid = ? and xid = ?")
797	stmtAnyXonk = preparetodie(db, selecthonks+"where xid = ? order by honks.honkid asc")
798	stmtOneBonk = preparetodie(db, selecthonks+"where honks.userid = ? and xid = ? and what = 'bonk' and whofore = 2")
799	stmtPublicHonks = preparetodie(db, selecthonks+"where whofore = 2 and dt > ?"+smalllimit)
800	stmtEventHonks = preparetodie(db, selecthonks+"where (whofore = 2 or honks.userid = ?) and what = 'event'"+smalllimit)
801	stmtUserHonks = preparetodie(db, selecthonks+"where honks.honkid > ? and (whofore = 2 or whofore = ?) and username = ? and dt > ?"+smalllimit)
802	myhonkers := " and honker in (select xid from honkers where userid = ? and (flavor = 'sub' or flavor = 'peep' or flavor = 'presub') and combos not like '% - %')"
803	stmtHonksForUser = preparetodie(db, selecthonks+"where honks.honkid > ? and honks.userid = ? and dt > ?"+myhonkers+butnotthose+limit)
804	stmtHonksForUserFirstClass = preparetodie(db, selecthonks+"where honks.honkid > ? and honks.userid = ? and dt > ? and (what <> 'tonk')"+myhonkers+butnotthose+limit)
805	stmtHonksForMe = preparetodie(db, selecthonks+"where honks.honkid > ? and honks.userid = ? and dt > ? and whofore = 1"+butnotthose+limit)
806	stmtHonksISaved = preparetodie(db, selecthonks+"where honks.honkid > ? and honks.userid = ? and flags & 4 order by honks.honkid desc")
807	stmtHonksByHonker = preparetodie(db, selecthonks+"join honkers on (honkers.xid = honks.honker or honkers.xid = honks.oonker) where honks.honkid > ? and honks.userid = ? and honkers.name = ?"+butnotthose+limit)
808	stmtHonksByXonker = preparetodie(db, selecthonks+" where honks.honkid > ? and honks.userid = ? and (honker = ? or oonker = ?)"+butnotthose+limit)
809	stmtHonksByCombo = preparetodie(db, selecthonks+" where honks.honkid > ? and honks.userid = ? and honks.honker in (select xid from honkers where honkers.userid = ? and honkers.combos like ?) "+butnotthose+" union "+selecthonks+"join onts on honks.honkid = onts.honkid where honks.honkid > ? and honks.userid = ? and onts.ontology in (select xid from honkers where combos like ?)"+butnotthose+limit)
810	stmtHonksByConvoy = preparetodie(db, selecthonks+"where honks.honkid > ? and (honks.userid = ? or (? = -1 and whofore = 2)) and convoy = ?"+limit)
811	stmtHonksByOntology = preparetodie(db, selecthonks+"join onts on honks.honkid = onts.honkid where honks.honkid > ? and onts.ontology = ? and (honks.userid = ? or (? = -1 and honks.whofore = 2))"+limit)
812
813	stmtSaveMeta = preparetodie(db, "insert into honkmeta (honkid, genus, json) values (?, ?, ?)")
814	stmtDeleteAllMeta = preparetodie(db, "delete from honkmeta where honkid = ?")
815	stmtDeleteSomeMeta = preparetodie(db, "delete from honkmeta where honkid = ? and genus not in ('oldrev')")
816	stmtSaveHonk = preparetodie(db, "insert into honks (userid, what, honker, xid, rid, dt, url, audience, noise, convoy, whofore, format, precis, oonker, flags) values (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)")
817	stmtDeleteHonk = preparetodie(db, "delete from honks where honkid = ?")
818	stmtUpdateHonk = preparetodie(db, "update honks set precis = ?, noise = ?, format = ?, whofore = ?, dt = ? where honkid = ?")
819	stmtSaveOnt = preparetodie(db, "insert into onts (ontology, honkid) values (?, ?)")
820	stmtDeleteOnts = preparetodie(db, "delete from onts where honkid = ?")
821	stmtSaveDonk = preparetodie(db, "insert into donks (honkid, fileid) values (?, ?)")
822	stmtDeleteDonks = preparetodie(db, "delete from donks where honkid = ?")
823	stmtSaveFile = preparetodie(db, "insert into filemeta (xid, name, description, url, media, local) values (?, ?, ?, ?, ?, ?)")
824	blobdb := openblobdb()
825	stmtSaveFileData = preparetodie(blobdb, "insert into filedata (xid, media, content) values (?, ?, ?)")
826	stmtGetFileData = preparetodie(blobdb, "select media, content from filedata where xid = ?")
827	stmtFindXonk = preparetodie(db, "select honkid from honks where userid = ? and xid = ?")
828	stmtFindFile = preparetodie(db, "select fileid, xid from filemeta where url = ? and local = 1")
829	stmtUserByName = preparetodie(db, "select userid, username, displayname, about, pubkey, seckey, options from users where username = ? and userid > 0")
830	stmtUserByNumber = preparetodie(db, "select userid, username, displayname, about, pubkey, seckey, options from users where userid = ?")
831	stmtSaveDub = preparetodie(db, "insert into honkers (userid, name, xid, flavor) values (?, ?, ?, ?)")
832	stmtAddDoover = preparetodie(db, "insert into doovers (dt, tries, userid, rcpt, msg) values (?, ?, ?, ?, ?)")
833	stmtGetDoovers = preparetodie(db, "select dooverid, dt from doovers")
834	stmtLoadDoover = preparetodie(db, "select tries, userid, rcpt, msg from doovers where dooverid = ?")
835	stmtZapDoover = preparetodie(db, "delete from doovers where dooverid = ?")
836	stmtUntagged = preparetodie(db, "select xid, rid, flags from (select honkid, xid, rid, flags from honks where userid = ? order by honkid desc limit 10000) order by honkid asc")
837	stmtFindZonk = preparetodie(db, "select zonkerid from zonkers where userid = ? and name = ? and wherefore = 'zonk'")
838	stmtGetZonkers = preparetodie(db, "select zonkerid, name, wherefore from zonkers where userid = ? and wherefore <> 'zonk'")
839	stmtSaveZonker = preparetodie(db, "insert into zonkers (userid, name, wherefore) values (?, ?, ?)")
840	stmtGetXonker = preparetodie(db, "select info from xonkers where name = ? and flavor = ?")
841	stmtSaveXonker = preparetodie(db, "insert into xonkers (name, info, flavor, dt) values (?, ?, ?, ?)")
842	stmtDeleteXonker = preparetodie(db, "delete from xonkers where name = ? and flavor = ? and dt < ?")
843	stmtRecentHonkers = preparetodie(db, "select distinct(honker) from honks where userid = ? and honker not in (select xid from honkers where userid = ? and flavor = 'sub') order by honkid desc limit 100")
844	stmtUpdateFlags = preparetodie(db, "update honks set flags = flags | ? where honkid = ?")
845	stmtClearFlags = preparetodie(db, "update honks set flags = flags & ~ ? where honkid = ?")
846	stmtAllOnts = preparetodie(db, "select ontology, count(ontology) from onts join honks on onts.honkid = honks.honkid where (honks.userid = ? or honks.whofore = 2) group by ontology")
847	stmtGetFilters = preparetodie(db, "select hfcsid, json from hfcs where userid = ?")
848	stmtSaveFilter = preparetodie(db, "insert into hfcs (userid, json) values (?, ?)")
849	stmtDeleteFilter = preparetodie(db, "delete from hfcs where userid = ? and hfcsid = ?")
850	stmtGetTracks = preparetodie(db, "select fetches from tracks where xid = ?")
851	stmtSaveChonk = preparetodie(db, "insert into chonks (userid, xid, who, target, dt, noise, format) values (?, ?, ?, ?, ?, ?, ?)")
852	stmtLoadChonks = preparetodie(db, "select chonkid, userid, xid, who, target, dt, noise, format from chonks where userid = ?")
853}