all repos — honk @ f4969eaa5513ed5e682bf2bac2c6b211664d7f83

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