all repos — honk @ a125322e4b7aff7e73c8051e22263f3b44b67516

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