dbsync.scm 33.5 KB
Newer Older
Dave Griffiths's avatar
Dave Griffiths committed
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
;; Starwisp Copyright (C) 2013 Dave Griffiths
;;
;; This program is free software: you can redistribute it and/or modify
;; it under the terms of the GNU Affero General Public License as
;; published by the Free Software Foundation, either version 3 of the
;; License, or (at your option) any later version.
;;
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;; GNU Affero General Public License for more details.
;;
;; You should have received a copy of the GNU Affero General Public License
;; along with this program.  If not, see <http://www.gnu.org/licenses/>.

;; abstractions for synced databased

18
(msg "dbsync.scm")
Dave Griffiths's avatar
Dave Griffiths committed
19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; stuff in memory

(define (store-set store key value)
  (cond
   ((null? store) (list (list key value)))
   ((eq? key (car (car store)))
    (cons (list key value) (cdr store)))
   (else
    (cons (car store) (store-set (cdr store) key value)))))

(define (store-get store key default)
  (cond
   ((null? store) default)
   ((eq? key (car (car store)))
    (cadr (car store)))
   (else
    (store-get (cdr store) key default))))

(define (store-exists? store key)
  (cond
   ((null? store) #f)
   ((eq? key (car (car store)))
    #t)
   (else
    (store-exists? (cdr store) key))))

(define store '())

(define (set-current! key value)
  (set! store (store-set store key value)))

(define (get-current key default)
  (store-get store key default))

(define (current-exists? key)
  (store-exists? store key))

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; db abstraction

61
(define (entity-init! db table entity-type ktv-list)
Dave Griffiths's avatar
Dave Griffiths committed
62
  (entity-reset!)
63 64 65 66 67
  (entity-set! ktv-list)
  (set-current! 'db db)
  (set-current! 'table table)
  (set-current! 'entity-type entity-type))

Dave Griffiths's avatar
Dave Griffiths committed
68

Dave Griffiths's avatar
Dave Griffiths committed
69
;; store a ktv, replaces existing with same key
70 71 72 73 74 75
;;(define (entity-add-value! key type value)
;;  (set-current!
;;   'entity-values
;;   (ktv-set
;;    (get-current 'entity-values '())
;;    (ktv key type value))))
Dave Griffiths's avatar
Dave Griffiths committed
76

77
(define (entity-add-value-create! key type value)
78
  (msg "entity-add-value-create!" key type value)
79 80 81 82
  (set-current!
   'entity-values
   (ktv-set
    (get-current 'entity-values '())
Dave Griffiths's avatar
Dave Griffiths committed
83
    (ktv key type value))))
84

Dave Griffiths's avatar
Dave Griffiths committed
85 86 87
(define (entity-set! ktv-list)
  (set-current! 'entity-values ktv-list))

88 89 90 91 92 93 94 95 96 97 98 99
(define (entity-get-value key)
  (ktv-get (get-current 'entity-values '()) key))

;; version to check the entity has the key
(define (entity-set-value! key type value)
  (let ((existing-type (ktv-get-type (get-current 'entity-values '()) key)))
    (if (equal? existing-type type)
        (set-current!
         'entity-values
         (ktv-set
          (get-current 'entity-values '())
          (ktv key type value)))
100 101 102
        ;;
        (begin
          (msg "entity-set-value! - adding new " key "of type" type "to entity")
Dave Griffiths's avatar
Dave Griffiths committed
103
          (entity-add-value-create! key type value)))))
104

105

Dave Griffiths's avatar
Dave Griffiths committed
106 107 108
(define (date-time->string dt)
  (string-append
   (number->string (list-ref dt 0)) "-"
109 110 111 112 113
   (substring (number->string (+ (list-ref dt 1) 100)) 1 3) "-"
   (substring (number->string (+ (list-ref dt 2) 100)) 1 3) " "
   (substring (number->string (+ (list-ref dt 3) 100)) 1 3) ":"
   (substring (number->string (+ (list-ref dt 4) 100)) 1 3) ":"
   (substring (number->string (+ (list-ref dt 5) 100)) 1 3)))
Dave Griffiths's avatar
Dave Griffiths committed
114 115

;; build entity from all ktvs, insert to db, return unique_id
116 117 118 119 120
(define (entity-record-values!)
  (let ((db (get-current 'db #f))
        (table (get-current 'table #f))
        (type (get-current 'entity-type #f)))
    ;; standard bits
121 122 123 124 125
    (let ((r (entity-create! db table type (get-current 'entity-values '()))))
      (entity-reset!) r)))


(define (entity-create! db table entity-type ktv-list)
Dave Griffiths's avatar
Dave Griffiths committed
126
  ;;(msg "creating:" entity-type ktv-list)
127 128 129
  (let ((values
         (append
          (list
Dave Griffiths's avatar
Dave Griffiths committed
130 131 132 133 134
           (ktv "user" "varchar" (get-current 'user-id "none"))
           (ktv "time" "varchar" (date-time->string (date-time)))
           (ktv "lat" "real" (car (get-current 'location '(0 0))))
           (ktv "lon" "real" (cadr (get-current 'location '(0 0))))
           (ktv "deleted" "int" 0))
135 136 137 138 139 140 141
          ktv-list)))
    (let ((r (insert-entity/get-unique
              db table entity-type (get-current 'user-id "no id")
              values)))
      (msg "entity-create: " entity-type)
      r)))

142 143 144 145 146

(define (entity-update-values!)
  (let ((db (get-current 'db #f))
        (table (get-current 'table #f)))
    ;; standard bits
Dave Griffiths's avatar
Dave Griffiths committed
147
    (let ((values (get-current 'entity-values '()))
148 149 150 151
          (unique-id (ktv-get (get-current 'entity-values '()) "unique_id")))
      (cond
       ((and unique-id (not (null? values)))
        (update-entity db table (entity-id-from-unique db table unique-id) values)
152 153 154
        ;; removed due to save button no longer exiting activity - need to keep!
        ;;(entity-reset!)
        )
155 156
       (else
        (msg "no values or no id to update as entity:" unique-id "values:" values))))))
Dave Griffiths's avatar
Dave Griffiths committed
157 158

(define (entity-reset!)
159 160 161 162
  (set-current! 'entity-values '())
  (set-current! 'db "reset")
  (set-current! 'table "reset")
  (set-current! 'entity-type "reset"))
Dave Griffiths's avatar
Dave Griffiths committed
163 164 165 166 167 168 169 170 171 172 173 174

(define (assemble-array entities)
  (foldl
   (lambda (i r)
     (if (equal? r "") (ktv-get i "unique_id")
         (string-append r "," (ktv-get i "unique_id"))))
   ""
   entities))

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; syncing code

Dave Griffiths's avatar
docs  
Dave Griffiths committed
175 176 177
;; todo - separate logic from gui and stick this in common code
;; then we can unit test this stuff...

Dave Griffiths's avatar
Dave Griffiths committed
178
(define url "http://192.168.2.1:8889/symbai?")
Dave Griffiths's avatar
Dave Griffiths committed
179 180

(define (build-url-from-ktv ktv)
Dave Griffiths's avatar
Dave Griffiths committed
181
  (string-append "&" (ktv-key ktv) ":" (ktv-type ktv) "=" (stringify-value-url ktv)))
Dave Griffiths's avatar
Dave Griffiths committed
182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199

(define (build-url-from-ktvlist ktvlist)
  (foldl
   (lambda (ktv r)
     (string-append r (build-url-from-ktv ktv)))
   "" ktvlist))

(define (build-url-from-entity table e)
  (string-append
   url
   "fn=sync"
   "&table=" table
   "&entity-type=" (list-ref (car e) 0)
   "&unique-id=" (list-ref (car e) 1)
   "&dirty=" (number->string (list-ref (car e) 2))
   "&version=" (number->string (list-ref (car e) 3))
   (build-url-from-ktvlist (cadr e))))

Dave Griffiths's avatar
docs  
Dave Griffiths committed
200

Dave Griffiths's avatar
Dave Griffiths committed
201 202 203 204 205
;; todo fix all hardcoded paths here
(define (send-files ktvlist)
  (foldl
   (lambda (ktv r)
     (if (equal? (ktv-type ktv) "file")
Dave Griffiths's avatar
Dave Griffiths committed
206 207 208 209 210 211
         (begin
           (cons (http-upload
                  (string-append "upload-" (ktv-value ktv))
                  "http://192.168.2.1:8889/symbai?fn=upload"
                  (string-append "/sdcard/symbai/files/" (ktv-value ktv)))
                 r))
Dave Griffiths's avatar
Dave Griffiths committed
212 213 214
         r))
   '() ktvlist))

Dave Griffiths's avatar
Dave Griffiths committed
215 216 217 218
;; spit all dirty entities to server
(define (spit db table entities)
  (foldl
   (lambda (e r)
219
     ;;(msg (car (car e)))
Dave Griffiths's avatar
Dave Griffiths committed
220 221 222 223 224 225 226
     (debug! (string-append "Sending a " (car (car e)) " to Raspberry Pi"))
     (append
      (list
       (http-request
        (string-append "req-" (list-ref (car e) 1))
        (build-url-from-entity table e)
        (lambda (v)
Dave Griffiths's avatar
Dave Griffiths committed
227
          (msg "in spit..." v)
Dave Griffiths's avatar
Dave Griffiths committed
228 229 230
          (cond
           ((or (equal? (car v) "inserted") (equal? (car v) "match"))
            (update-entity-clean db table (cadr v))
Dave Griffiths's avatar
Dave Griffiths committed
231
            (debug! (string-append "Uploaded " (car (car e)))))
Dave Griffiths's avatar
Dave Griffiths committed
232 233 234 235
           ((equal? (car v) "no change")
            (debug! (string-append "No change for " (car (car e)))))
           ((equal? (car v) "updated")
            (update-entity-clean db table (cadr v))
Dave Griffiths's avatar
Dave Griffiths committed
236
            (debug! (string-append "Updated changed " (car (car e)))))
Dave Griffiths's avatar
Dave Griffiths committed
237 238 239 240
           (else
            (debug! (string-append
                     "Problem uploading "
                     (car (car e)) " : " (car v)))))
Dave Griffiths's avatar
Dave Griffiths committed
241 242 243 244 245 246 247 248 249
          (append
           ;; check for file uploads
           (if (or (equal? (car v) "updated")
                   (equal? (car v) "inserted")
                   (equal? (car v) "match"))
               (send-files (cadr e)) ;; takes a ktvlist
               '())
           (list
            (update-widget 'text-view (get-id "sync-dirty") 'text (build-dirty db)))))))
Dave Griffiths's avatar
Dave Griffiths committed
250 251 252 253
      r))
   '()
   entities))

Dave Griffiths's avatar
Dave Griffiths committed
254 255 256 257 258
;; todo fix all hardcoded paths here
(define (request-files ktvlist)
  (foldl
   (lambda (ktv r)
     (if (equal? (ktv-type ktv) "file")
Dave Griffiths's avatar
Dave Griffiths committed
259 260 261 262 263 264
         (begin
           (cons (http-download
                  (string-append "download-" (ktv-value ktv))
                  (string-append "http://192.168.2.1:8889/files/" (ktv-value ktv))
                  (string-append "/sdcard/symbai/files/" (ktv-value ktv)))
                 r))
Dave Griffiths's avatar
Dave Griffiths committed
265 266 267
         r))
   '() ktvlist))

268 269
(msg "suck ent")

Dave Griffiths's avatar
Dave Griffiths committed
270
(define (suck-entity-from-server db table unique-id)
Dave Griffiths's avatar
Dave Griffiths committed
271 272 273 274 275 276
  ;; ask for the current version
  (http-request
   (string-append unique-id "-update-new")
   (string-append url "fn=entity&table=" table "&unique-id=" unique-id)
   (lambda (data)
     ;; check "sync-insert" in sync.ss raspberry pi-side for the contents of 'entity'
Dave Griffiths's avatar
Dave Griffiths committed
277 278 279 280 281
     (let* ((entity (list-ref data 0))
            (ktvlist (list-ref data 1))
            (unique-id (list-ref entity 1))
            (exists (entity-exists? db table unique-id)))
       ;; need to check exists again here, due to delays back and forth
Dave Griffiths's avatar
Dave Griffiths committed
282 283 284 285
       (if (not exists)
           (insert-entity-wholesale
            db table
            (list-ref entity 0) ;; entity-type
Dave Griffiths's avatar
Dave Griffiths committed
286
            unique-id
Dave Griffiths's avatar
Dave Griffiths committed
287 288 289 290 291 292 293
            0 ;; dirty
            (list-ref entity 2) ;; version
            ktvlist)
           (update-to-version
            db table (get-entity-id db table unique-id)
            (list-ref entity 2) ktvlist))
       (debug! (string-append (if exists "Got new: " "Updated: ") (ktv-get ktvlist "name")))
Dave Griffiths's avatar
Dave Griffiths committed
294 295 296 297
       (cons
        (update-widget 'text-view (get-id "sync-dirty") 'text (build-dirty db))
        (request-files ktvlist))))))

Dave Griffiths's avatar
docs  
Dave Griffiths committed
298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318
(define (build-entity-requests db table version-data)
  (foldl
   (lambda (i r)
     (let* ((unique-id (car i))
            (version (cadr i))
            (exists (entity-exists? db table unique-id))
            (old
             (if exists
                 (> version (get-entity-version
                             db table
                             (get-entity-id db table unique-id)))
                 #f)))

       ;; if we don't have this entity or the version on the server is newer
       (if (and (or (not exists) old)
                ;; limit this to 5 a time
                (< (length r) 5))
           (cons (suck-entity-from-server db table unique-id) r)
           r)))
   '()
   version-data))
Dave Griffiths's avatar
Dave Griffiths committed
319 320 321 322 323 324 325 326 327

;; repeatedly read version and request updates
(define (suck-new db table)
  (debug! "Requesting new entities")
  (list
   (http-request
    "new-entities-req"
    (string-append url "fn=entity-versions&table=" table)
    (lambda (data)
Dave Griffiths's avatar
docs  
Dave Griffiths committed
328
      (let ((new-entity-requests (build-entity-requests db table data)))
Dave Griffiths's avatar
Dave Griffiths committed
329
        (cond
Dave Griffiths's avatar
Dave Griffiths committed
330
         ((null? new-entity-requests)
Dave Griffiths's avatar
Dave Griffiths committed
331 332 333 334 335 336
          (debug! "No new data to download")
          (set-current! 'download 1)
          (append
           (if (eqv? (get-current 'upload 0) 1)
               (list (play-sound "ping")) '())
           (list
Dave Griffiths's avatar
docs  
Dave Griffiths committed
337
            (toast "No new data to download"))))
Dave Griffiths's avatar
Dave Griffiths committed
338 339 340
         (else
          (debug! (string-append
                   "Requesting "
Dave Griffiths's avatar
Dave Griffiths committed
341
                   (number->string (length new-entity-requests)) " entities"))
Dave Griffiths's avatar
Dave Griffiths committed
342 343
          (cons
           (play-sound "active")
Dave Griffiths's avatar
Dave Griffiths committed
344
           new-entity-requests))))))))
Dave Griffiths's avatar
Dave Griffiths committed
345

346 347 348
(msg "build-dirty defined...")

(define (build-dirty db)
Dave Griffiths's avatar
Dave Griffiths committed
349 350 351
  (let ((sync (get-dirty-stats db "sync"))
        (stream (get-dirty-stats db "stream")))
    (string-append
352 353
     "Sync data: " (number->string (car sync)) "/" (number->string (cadr sync)) " "
     "Stream data: " (number->string (car stream)) "/" (number->string (cadr stream)))))
Dave Griffiths's avatar
Dave Griffiths committed
354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385

(define (upload-dirty db)
  (let ((r (append
            (spit db "sync" (dirty-entities db "sync"))
            (spit db "stream" (dirty-entities db "stream")))))
    (append (cond
             ((> (length r) 0)
              (debug! (string-append "Uploading " (number->string (length r)) " items..."))
              (list
               (toast "Uploading data...")
               (play-sound "active")))
             (else
              (debug! "No data changed to upload")
              (set-current! 'upload 1)
              (append
               (if (eqv? (get-current 'download 0) 1)
                   (list (play-sound "ping")) '())
               (list
                (toast "No data changed to upload"))))) r)))

(define (connect-to-net fn)
  (list
   (network-connect
    "network"
    "mongoose-web"
    (lambda (state)
      (debug! (string-append "Raspberry Pi connection state now: " state))
      (append
       (if (equal? state "Connected") (fn) '())
       (list
        ;;(update-widget 'text-view (get-id "sync-connect") 'text state)
        ))))))
Dave Griffiths's avatar
Dave Griffiths committed
386 387 388 389 390 391 392 393 394 395 396 397 398 399 400


(define i18n-lang 0)

(define i18n-text
  (list))

(define (mtext-lookup id)
  (define (_ l)
    (cond
     ((null? l) (string-append (symbol->string id) " not translated"))
     ((eq? (car (car l)) id)
      (let ((translations (cadr (car l))))
        (if (<= (length translations) i18n-lang)
            (string-append (symbol->string id) " not translated")
Dave Griffiths's avatar
Dave Griffiths committed
401 402 403
            (let ((r (list-ref translations i18n-lang)))
              (if (or (equal? r "") (equal? r " "))
                  (list-ref translations 0) r)))))
Dave Griffiths's avatar
Dave Griffiths committed
404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431
     (else (_ (cdr l)))))
  (_ i18n-text))

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

(define (symbol->id id)
  (when (not (symbol? id))
        (msg "symbol->id: [" id "] is not a symbol"))
  (make-id (symbol->string id)))

(define (get-symbol-id id)
  (when (not (symbol? id))
        (msg "symbol->id: [" id "] is not a symbol"))
  (get-id (symbol->string id)))

(define (mbutton id fn)
  (button (symbol->id id)
          (mtext-lookup id)
          40 (layout 'fill-parent 'wrap-content -1 'centre 5) fn))

(define (mbutton-scale id fn)
  (button (symbol->id id)
          (mtext-lookup id)
          40 (layout 'fill-parent 'wrap-content 1 'centre 5) fn))

(define (mtoggle-button id fn)
  (toggle-button (symbol->id id)
                 (mtext-lookup id)
Dave Griffiths's avatar
Dave Griffiths committed
432 433 434
                 30 (layout 'fill-parent 'wrap-content -1 'centre 0) "fancy"
                 ;; convert to 0/1 for easier db storage
                 (lambda (v) (fn (if v 1 0)))))
Dave Griffiths's avatar
Dave Griffiths committed
435 436 437 438

(define (mtoggle-button-scale id fn)
  (toggle-button (symbol->id id)
                 (mtext-lookup id)
Dave Griffiths's avatar
Dave Griffiths committed
439 440
                 30 (layout 'fill-parent 'wrap-content 1 'centre 0) "fancy"
                 (lambda (v) (fn (if v 1 0)))))
Dave Griffiths's avatar
Dave Griffiths committed
441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472

(define (mtext id)
  (text-view (symbol->id id)
             (mtext-lookup id)
             30 (layout 'wrap-content 'wrap-content -1 'centre 0)))

(define (mtext-fixed w id)
  (text-view (symbol->id id)
             (mtext-lookup id)
             30 (layout w 'wrap-content -1 'centre 0)))

(define (mtext-small id)
  (text-view (symbol->id id)
             (mtext-lookup id)
             20 (layout 'wrap-content 'wrap-content -1 'centre 0)))

(define (mtext-scale id)
  (text-view (symbol->id id)
             (mtext-lookup id)
             30 (layout 'wrap-content 'wrap-content 1 'centre 0)))

(define (mtitle id)
  (text-view (symbol->id id)
             (mtext-lookup id)
             50 (layout 'fill-parent 'wrap-content -1 'centre 5)))

(define (mtitle-scale id)
  (text-view (symbol->id id)
             (mtext-lookup id)
             50 (layout 'fill-parent 'wrap-content 1 'centre 5)))

(define (medit-text id type fn)
Dave Griffiths's avatar
Dave Griffiths committed
473 474 475 476 477 478 479 480 481 482 483
  (linear-layout
   (make-id (string-append (symbol->string id) "-container"))
   'vertical
   (layout 'fill-parent 'wrap-content 1 'centre 20)
   (list 0 0 0 0)
   (list
    (text-view 0 (mtext-lookup id)
               30 (layout 'wrap-content 'wrap-content -1 'centre 0))
    (edit-text (symbol->id id) "" 30 type
               (layout 'fill-parent 'wrap-content -1 'centre 0)
               fn))))
Dave Griffiths's avatar
Dave Griffiths committed
484 485

(define (medit-text-scale id type fn)
Dave Griffiths's avatar
Dave Griffiths committed
486 487 488 489 490 491 492 493 494 495 496
  (linear-layout
   (make-id (string-append (symbol->string id) "-container"))
   'vertical
   (layout 'fill-parent 'wrap-content 1 'centre 20)
   (list 0 0 0 0)
   (list
    (text-view 0 (mtext-lookup id)
               30 (layout 'wrap-content 'wrap-content 1 'centre 0))
    (edit-text (symbol->id id) "" 30 type
               (layout 'fill-parent 'wrap-content 1 'centre 0)
               fn))))
Dave Griffiths's avatar
Dave Griffiths committed
497 498 499 500 501 502 503 504 505 506 507 508

(define (mspinner id types fn)
  (vert
   (text-view (symbol->id id)
              (mtext-lookup id)
              30 (layout 'wrap-content 'wrap-content 1 'centre 10))
   (spinner (make-id (string-append (symbol->string id) "-spinner"))
            (map mtext-lookup types)
            (layout 'wrap-content 'wrap-content 1 'centre 0)
            (lambda (c) (fn c)))))

(define (mspinner-other id types fn)
509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532
  (linear-layout
   (make-id (string-append (symbol->string id) "-container"))
   'horizontal
   (layout 'fill-parent 'wrap-content 1 'centre 5)
   (list 0 0 0 0)
   (list
    (vert
     (text-view (symbol->id id)
                (mtext-lookup id)
                30 (layout 'wrap-content 'wrap-content 1 'centre 10))
     (spinner (make-id (string-append (symbol->string id) "-spinner"))
              (map mtext-lookup types)
              (layout 'wrap-content 'wrap-content 1 'centre 0)
              (lambda (c)
                ;; dont call if set to "other"
                (if (< c (- (length types) 1))
                    (fn c)
                    '()))))
    (vert
     (mtext-scale 'other)
     (edit-text (make-id (string-append (symbol->string id) "-edit-text"))
                "" 30 "normal"
                (layout 'fill-parent 'wrap-content 1 'centre 0)
                (lambda (t) (fn t)))))))
Dave Griffiths's avatar
Dave Griffiths committed
533

Dave Griffiths's avatar
Dave Griffiths committed
534 535 536 537 538 539 540 541 542 543 544 545
(define (mspinner-other-vert id text-id types fn)
  (linear-layout
   0 'vertical
   (layout 'fill-parent 'wrap-content 1 'centre 5)
   (list 0 0 0 0)
   (list
    (text-view (symbol->id id)
               (mtext-lookup text-id)
               30 (layout 'wrap-content 'wrap-content 1 'centre 5))
    (spinner (make-id (string-append (symbol->string id) "-spinner"))
             (map mtext-lookup types)
             (layout 'wrap-content 'wrap-content 1 'centre 0)
Dave Griffiths's avatar
Dave Griffiths committed
546 547 548 549
             (lambda (c)
               ;; dont call if set to "other"
               (if (< c (- (length types) 1))
                   (fn c) '())))
Dave Griffiths's avatar
Dave Griffiths committed
550 551 552 553 554 555
    (mtext-scale 'other)
    (edit-text (make-id (string-append (symbol->string id) "-edit-text"))
               "" 30 "normal"
               (layout 'fill-parent 'wrap-content 1 'centre 0)
               (lambda (t) (fn t))))))

Dave Griffiths's avatar
Dave Griffiths committed
556 557 558 559 560 561 562 563 564 565 566 567 568 569

(define (mclear-toggles id-list)
  (map
   (lambda (id)
     (update-widget 'toggle-button (get-id id) 'checked 0))
   id-list))

(define (mclear-toggles-not-me me id-list)
  (foldl
   (lambda (id r)
     (if (equal? me id)
         r (cons (update-widget 'toggle-button (get-id id) 'checked 0) r)))
   '() id-list))

570 571 572 573 574
(define (image-invalid? image-name)
  (or (null? image-name)
      (not image-name)
      (equal? image-name "none")))

Dave Griffiths's avatar
Dave Griffiths committed
575 576 577 578 579 580 581 582
;; fill out the widget from the current entity in the memory store
;; dispatches based on widget type
(define (mupdate widget-type id-symbol key)
  (cond
   ((or (eq? widget-type 'edit-text) (eq? widget-type 'text-view))
    (update-widget widget-type (get-symbol-id id-symbol) 'text
                   (entity-get-value key)))
   ((eq? widget-type 'toggle-button)
Dave Griffiths's avatar
Dave Griffiths committed
583
    (update-widget widget-type (get-symbol-id id-symbol) 'checked
Dave Griffiths's avatar
Dave Griffiths committed
584 585 586
                   (entity-get-value key)))
   ((eq? widget-type 'image-view)
    (let ((image-name (entity-get-value key)))
587
      (if (image-invalid? image-name)
Dave Griffiths's avatar
Dave Griffiths committed
588 589 590 591 592
          (update-widget widget-type (get-symbol-id id-symbol) 'image "face")
          (update-widget widget-type (get-symbol-id id-symbol) 'external-image
                         (string-append dirname "files/" image-name)))))
   (else (msg "mupdate-widget unhandled widget type" widget-type))))

593
(define (spinner-choice l i)
Dave Griffiths's avatar
Dave Griffiths committed
594 595 596
  (if (number? i)
      (symbol->string (list-ref l i))
      i))
597

598
(define (mupdate-spinner id-symbol key choices)
599 600
  (let* ((val (entity-get-value key)))
    (if (not val)
601 602
        (update-widget 'spinner
                       (get-id (string-append (symbol->string id-symbol) "-spinner"))
603 604 605 606 607 608 609 610 611 612 613
                       'selection 0)
        (let ((index (index-find (string->symbol val) choices)))
          (if index
              (update-widget 'spinner
                             (get-id (string-append (symbol->string id-symbol) "-spinner"))
                             'selection index)
              (begin
                (msg "spinner item in db " val " not found in list of items")
                (update-widget 'spinner
                               (get-id (string-append (symbol->string id-symbol) "-spinner"))
                               'selection 0)))))))
614 615

(define (mupdate-spinner-other id-symbol key choices)
Dave Griffiths's avatar
Dave Griffiths committed
616
  (let* ((val (entity-get-value key)))
617
    (if (not val)
Dave Griffiths's avatar
Dave Griffiths committed
618 619 620
        (list (update-widget 'spinner
                             (get-id (string-append (symbol->string id-symbol) "-spinner"))
                             'selection 0))
621 622
        (let ((index (index-find (string->symbol val) choices)))
          (if index
Dave Griffiths's avatar
Dave Griffiths committed
623 624 625 626 627 628 629 630 631 632
              (list (update-widget 'spinner
                                   (get-id (string-append (symbol->string id-symbol) "-spinner"))
                                   'selection index))
              (list
               (update-widget 'spinner
                              (get-id (string-append (symbol->string id-symbol) "-spinner"))
                              'selection (- (length choices) 1))
               (update-widget 'edit-text
                              (get-id (string-append (symbol->string id-symbol) "-edit-text"))
                              'text val)))))))
633

Dave Griffiths's avatar
Dave Griffiths committed
634 635 636 637 638 639 640 641 642 643 644 645 646
;;;;
;; (y m d h m s)
(define (date-minus-months d ms)
  (let ((year (list-ref d 0))
        (month (- (list-ref d 1) 1)))
    (let ((new-month (- month ms)))
      (list
       (if (< new-month 0) (- year 1) year)
       (+ (if (< new-month 0) (+ new-month 12) new-month) 1)
       (list-ref d 2)
       (list-ref d 3)
       (list-ref d 4)
       (list-ref d 5)))))
Dave Griffiths's avatar
Dave Griffiths committed
647 648

(define (do-gps display-id key-prepend)
Dave Griffiths's avatar
Dave Griffiths committed
649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678
  (list
   (alert-dialog
    "gps-check"
    (mtext-lookup 'gps-are-you-sure)
    (lambda (v)
      (cond
       ((eqv? v 1)
        (list
         (alert-dialog
          "gps-check2"
          (mtext-lookup 'gps-are-you-sure-2)
          (lambda (v)
            (cond
             ((eqv? v 1)
              (let ((loc (get-current 'location '(0 0))))
                (entity-set-value! (string-append key-prepend "-lat") "real" (car loc))
                (entity-set-value! (string-append key-prepend "-lon") "real" (cadr loc))
                (list
                 (update-widget
                  'text-view
                  (get-id (string-append (symbol->string display-id) "-lat"))
                  'text
                  (number->string (car loc)))
                 (update-widget
                  'text-view
                  (get-id (string-append (symbol->string display-id) "-lon"))
                  'text
                  (number->string (cadr loc))))))
             (else '()))))))
       (else '()))))))
Dave Griffiths's avatar
Dave Griffiths committed
679 680

(define (mupdate-gps display-id key-prepend)
Dave Griffiths's avatar
Dave Griffiths committed
681 682 683
  (let ((lat (entity-get-value (string-append key-prepend "-lat")))
        (lon (entity-get-value (string-append key-prepend "-lon"))))
    (if (or (not lat) (not lon))
Dave Griffiths's avatar
Dave Griffiths committed
684 685 686 687 688 689 690
        (list
         (update-widget
          'text-view (get-id (string-append (symbol->string display-id) "-lat"))
          'text "O")
         (update-widget
          'text-view (get-id (string-append (symbol->string display-id) "-lon"))
          'text "0"))
Dave Griffiths's avatar
Dave Griffiths committed
691 692 693 694 695 696 697
        (list
         (update-widget
          'text-view (get-id (string-append (symbol->string display-id) "-lat"))
          'text (number->string lat))
         (update-widget
          'text-view (get-id (string-append (symbol->string display-id) "-lon"))
          'text (number->string lon))))))
698 699 700 701


;; a standard builder for list widgets of entities and a
;; make new button, to add defaults to the list
Dave Griffiths's avatar
Dave Griffiths committed
702
(define (build-list-widget db table title entity-type edit-activity parent-fn ktv-default-fn)
703 704 705 706 707 708 709 710 711
    (vert-colour
     colour-two
     (horiz
      (mtitle-scale title)
      (button
       (make-id (string-append (symbol->string title) "-add"))
       (mtext-lookup 'add-item-to-list)
       40 (layout 100 'wrap-content 1 'centre 5)
       (lambda ()
712 713 714
         (entity-create!
          db table entity-type
          (ktvlist-merge
Dave Griffiths's avatar
Dave Griffiths committed
715
           (ktv-default-fn)
716
           (list (ktv "parent" "varchar" (parent-fn)))))
717 718 719 720 721 722 723 724 725 726 727 728
         (list (update-list-widget db table entity-type edit-activity (parent-fn))))))
     (linear-layout
      (make-id (string-append entity-type "-list"))
      'vertical
      (layout 'fill-parent 'wrap-content 1 'centre 20)
      (list 0 0 0 0)
      (list))))

;; pull db data into list of button widgets
(define (update-list-widget db table entity-type edit-activity parent)
  (let ((search-results
         (if parent
729 730 731
             (db-filter-only db table entity-type
                             (list (list "parent" "varchar" "=" parent))
                             (list (list "name" "varchar")))
732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759
             (db-all db table entity-type))))
    (update-widget
     'linear-layout
     (get-id (string-append entity-type "-list"))
     'contents
     (if (null? search-results)
         (list (mtext 'list-empty))
         (map
          (lambda (e)
            (button
             (make-id (string-append "list-button-" (ktv-get e "unique_id")))
             (or (ktv-get e "name") "Unamed item")
             40 (layout 'fill-parent 'wrap-content 1 'centre 5)
             (lambda ()
               (list (start-activity edit-activity 0 (ktv-get e "unique_id"))))))
          search-results)))))

(define (delete-button)
  (mbutton
   'delete
   (lambda ()
     (list
      (alert-dialog
       "delete-check"
       (mtext-lookup 'delete-are-you-sure)
       (lambda (v)
         (cond
          ((eqv? v 1)
760
           (entity-set-value! "deleted" "int" 1)
761 762 763 764
           (entity-update-values!)
           (list (finish-activity 1)))
          (else
           (list)))))))))
Dave Griffiths's avatar
Dave Griffiths committed
765

766 767 768 769 770
(define (build-array-from-names db table entity-type)
  (map
   (lambda (e)
     (list (ktv-get e "name")
           (ktv-get e "unique_id")))
Dave Griffiths's avatar
Dave Griffiths committed
771 772 773
   (db-filter-only db table entity-type
                   (list)
                   (list (list "name" "varchar")))))
774

Dave Griffiths's avatar
Dave Griffiths committed
775 776 777 778 779 780 781
(define (find-index-from-name-array arr unique-id)
  (define (_ l i)
    (cond
     ((null? l) #f)
     ((equal? unique-id (cadr (car l))) i)
     (else (_ (cdr l) (+ i 1)))))
  (_ arr 0))
782

Dave Griffiths's avatar
Dave Griffiths committed
783 784 785 786 787 788 789 790



(define (simpsons-village db table default-ktvlist)
  (entity-create! db table "village"
                  (ktvlist-merge
                   default-ktvlist
                   (list
Dave Griffiths's avatar
Dave Griffiths committed
791
                    (ktv "name" "varchar" (string-append "Village-" (number->string (random 1000))))
Dave Griffiths's avatar
Dave Griffiths committed
792 793
                    (ktv "block" "varchar" (word-gen))
                    (ktv "district" "varchar" (word-gen))
Dave Griffiths's avatar
Dave Griffiths committed
794
                    (ktv "car" "int" (random 2))))))
Dave Griffiths's avatar
Dave Griffiths committed
795 796 797 798 799 800

(define (simpsons-household db table parent default-ktvlist)
  (entity-create! db table "household"
                  (ktvlist-merge
                   default-ktvlist
                   (list
Dave Griffiths's avatar
Dave Griffiths committed
801 802
                    (ktv "name" "varchar" (string-append "Household-" (number->string (random 1000))))
                    (ktv "num-pots" "int" (random 10))
Dave Griffiths's avatar
Dave Griffiths committed
803 804 805
                    (ktv "parent" "varchar" parent)))))

(define (simpsons-individual db table parent default-ktvlist)
Dave Griffiths's avatar
Dave Griffiths committed
806
  (let ((n (random 1000)))
Dave Griffiths's avatar
Dave Griffiths committed
807 808 809 810 811 812 813 814
  (entity-create! db table "individual"
                  (ktvlist-merge
                   default-ktvlist
                   (append
                    (list (ktv "parent" "varchar" parent))
  (choose
   (list
   (list
Dave Griffiths's avatar
Dave Griffiths committed
815
    (ktv "name" "varchar"
Dave Griffiths's avatar
Dave Griffiths committed
816
                (string-append "Abe-" (number->string n)))
Dave Griffiths's avatar
Dave Griffiths committed
817 818
    (ktv "gender" "varchar" "male")
    (ktv "photo" "file" "abe.jpg"))
Dave Griffiths's avatar
Dave Griffiths committed
819
   (list
Dave Griffiths's avatar
Dave Griffiths committed
820
    (ktv
Dave Griffiths's avatar
Dave Griffiths committed
821
     "name" "varchar" (string-append "Akira-" (number->string n)))
Dave Griffiths's avatar
Dave Griffiths committed
822 823
    (ktv "gender" "varchar" "male")
    (ktv "photo" "file" "akira.jpg"))
Dave Griffiths's avatar
Dave Griffiths committed
824
   (list
Dave Griffiths's avatar
Dave Griffiths committed
825
    (ktv
Dave Griffiths's avatar
Dave Griffiths committed
826
     "name" "varchar" (string-append "Apu-" (number->string n)))
Dave Griffiths's avatar
Dave Griffiths committed
827 828
    (ktv "gender" "varchar" "male")
    (ktv "photo" "file" "apu.jpg"))
Dave Griffiths's avatar
Dave Griffiths committed
829
   (list
Dave Griffiths's avatar
Dave Griffiths committed
830
    (ktv
Dave Griffiths's avatar
Dave Griffiths committed
831
     "name" "varchar" (string-append "Barney-" (number->string n)))
Dave Griffiths's avatar
Dave Griffiths committed
832 833
    (ktv "gender" "varchar" "male")
    (ktv "photo" "file" "barney.jpg"))
Dave Griffiths's avatar
Dave Griffiths committed
834
   (list
Dave Griffiths's avatar
Dave Griffiths committed
835
    (ktv
Dave Griffiths's avatar
Dave Griffiths committed
836
     "name" "varchar" (string-append "Bart-" (number->string n)))
Dave Griffiths's avatar
Dave Griffiths committed
837 838
    (ktv "gender" "varchar" "male")
    (ktv "photo" "file" "bartsimpson.jpg"))
Dave Griffiths's avatar
Dave Griffiths committed
839
   (list
Dave Griffiths's avatar
Dave Griffiths committed
840
    (ktv
Dave Griffiths's avatar
Dave Griffiths committed
841
     "name" "varchar" (string-append "Billy-" (number->string n)))
Dave Griffiths's avatar
Dave Griffiths committed
842 843
    (ktv "gender" "varchar" "male")
    (ktv "photo" "file" "billy.jpg"))
Dave Griffiths's avatar
Dave Griffiths committed
844
   (list
Dave Griffiths's avatar
Dave Griffiths committed
845
    (ktv
Dave Griffiths's avatar
Dave Griffiths committed
846
     "name" "varchar" (string-append "Carl-" (number->string n)))
Dave Griffiths's avatar
Dave Griffiths committed
847 848
    (ktv "gender" "varchar" "male")
    (ktv "photo" "file" "carl.jpg"))
Dave Griffiths's avatar
Dave Griffiths committed
849
   (list
Dave Griffiths's avatar
Dave Griffiths committed
850
    (ktv
Dave Griffiths's avatar
Dave Griffiths committed
851
     "name" "varchar" (string-append "Cletus-" (number->string n)))
Dave Griffiths's avatar
Dave Griffiths committed
852 853
    (ktv "gender" "varchar" "male")
    (ktv "photo" "file" "cletus.jpg"))
Dave Griffiths's avatar
Dave Griffiths committed
854
   (list
Dave Griffiths's avatar
Dave Griffiths committed
855
    (ktv
Dave Griffiths's avatar
Dave Griffiths committed
856
     "name" "varchar" (string-append "ComicBookGuy-" (number->string n)))
Dave Griffiths's avatar
Dave Griffiths committed
857 858
    (ktv "gender" "varchar" "male")
    (ktv "photo" "file" "comicbookguy.jpg"))
Dave Griffiths's avatar
Dave Griffiths committed
859
   (list
Dave Griffiths's avatar
Dave Griffiths committed
860
    (ktv
Dave Griffiths's avatar
Dave Griffiths committed
861
     "name" "varchar" (string-append "Homer-" (number->string n)))
Dave Griffiths's avatar
Dave Griffiths committed
862 863
    (ktv "gender" "varchar" "male")
    (ktv "photo" "file" "homersimpson.jpg"))
Dave Griffiths's avatar
Dave Griffiths committed
864
   (list
Dave Griffiths's avatar
Dave Griffiths committed
865
    (ktv
Dave Griffiths's avatar
Dave Griffiths committed
866
     "name" "varchar" (string-append "Jasper-" (number->string n)))
Dave Griffiths's avatar
Dave Griffiths committed
867 868
    (ktv "gender" "varchar" "male")
    (ktv "photo" "file" "jasper.jpg"))
Dave Griffiths's avatar
Dave Griffiths committed
869
   (list
Dave Griffiths's avatar
Dave Griffiths committed
870
    (ktv
Dave Griffiths's avatar
Dave Griffiths committed
871
     "name" "varchar" (string-append "Kent-" (number->string n)))
Dave Griffiths's avatar
Dave Griffiths committed
872 873
    (ktv "gender" "varchar" "male")
    (ktv "photo" "file" "kentbrockman.jpg"))
Dave Griffiths's avatar
Dave Griffiths committed
874
   (list
Dave Griffiths's avatar
Dave Griffiths committed
875
    (ktv
Dave Griffiths's avatar
Dave Griffiths committed
876
     "name" "varchar" (string-append "Kodos-" (number->string n)))
Dave Griffiths's avatar
Dave Griffiths committed
877 878
    (ktv "gender" "varchar" "male")
    (ktv "photo" "file" "kodos.jpg"))
Dave Griffiths's avatar
Dave Griffiths committed
879
   (list
Dave Griffiths's avatar
Dave Griffiths committed
880
    (ktv
Dave Griffiths's avatar
Dave Griffiths committed
881
     "name" "varchar" (string-append "Lenny-" (number->string n)))
Dave Griffiths's avatar
Dave Griffiths committed
882 883
    (ktv "gender" "varchar" "male")
    (ktv "photo" "file" "lenny.jpg"))
Dave Griffiths's avatar
Dave Griffiths committed
884
   (list
Dave Griffiths's avatar
Dave Griffiths committed
885
    (ktv
Dave Griffiths's avatar
Dave Griffiths committed
886
     "name" "varchar" (string-append "Lisa-" (number->string n)))
Dave Griffiths's avatar
Dave Griffiths committed
887 888
    (ktv "gender" "varchar" "female")
    (ktv "photo" "file" "lisasimpson.jpg"))
Dave Griffiths's avatar
Dave Griffiths committed
889
   (list
Dave Griffiths's avatar
Dave Griffiths committed
890
    (ktv
Dave Griffiths's avatar
Dave Griffiths committed
891
     "name" "varchar" (string-append "Marge-" (number->string n)))
Dave Griffiths's avatar
Dave Griffiths committed
892 893
    (ktv "gender" "varchar" "female")
    (ktv "photo" "file" "margesimpson.jpg"))
Dave Griffiths's avatar
Dave Griffiths committed
894
   (list
Dave Griffiths's avatar
Dave Griffiths committed
895
    (ktv
Dave Griffiths's avatar
Dave Griffiths committed
896
     "name" "varchar" (string-append "Martin-" (number->string n)))
Dave Griffiths's avatar
Dave Griffiths committed
897 898
    (ktv "gender" "varchar" "male")
    (ktv "photo" "file" "martinprince.jpg"))
Dave Griffiths's avatar
Dave Griffiths committed
899
   (list
Dave Griffiths's avatar
Dave Griffiths committed
900
    (ktv
Dave Griffiths's avatar
Dave Griffiths committed
901
     "name" "varchar" (string-append "Milhouse-" (number->string n)))
Dave Griffiths's avatar
Dave Griffiths committed
902 903
    (ktv "gender" "varchar" "male")
    (ktv "photo" "file" "milhouse.jpg"))
Dave Griffiths's avatar
Dave Griffiths committed
904
   (list
Dave Griffiths's avatar
Dave Griffiths committed
905
    (ktv
Dave Griffiths's avatar
Dave Griffiths committed
906
     "name" "varchar" (string-append "MrBurns-" (number->string n)))
Dave Griffiths's avatar
Dave Griffiths committed
907 908
    (ktv "gender" "varchar" "male")
    (ktv "photo" "file" "mrburns.jpg"))
Dave Griffiths's avatar
Dave Griffiths committed
909
   (list
Dave Griffiths's avatar
Dave Griffiths committed
910
    (ktv
Dave Griffiths's avatar
Dave Griffiths committed
911
     "name" "varchar" (string-append "Ned-" (number->string n)))
Dave Griffiths's avatar
Dave Griffiths committed
912 913
    (ktv "gender" "varchar" "male")
    (ktv "photo" "file" "nedflanders.jpg"))
Dave Griffiths's avatar
Dave Griffiths committed
914
   (list
Dave Griffiths's avatar
Dave Griffiths committed
915
    (ktv
Dave Griffiths's avatar
Dave Griffiths committed
916
     "name" "varchar" (string-append "Nelson-" (number->string n)))
Dave Griffiths's avatar
Dave Griffiths committed
917 918
    (ktv "gender" "varchar" "male")
    (ktv "photo" "file" "nelson.jpg"))
Dave Griffiths's avatar
Dave Griffiths committed
919
   (list
Dave Griffiths's avatar
Dave Griffiths committed
920
    (ktv
Dave Griffiths's avatar
Dave Griffiths committed
921
     "name" "varchar" (string-append "Otto-" (number->string n)))
Dave Griffiths's avatar
Dave Griffiths committed
922 923
    (ktv "gender" "varchar" "male")
    (ktv "photo" "file" "otto.jpg"))
Dave Griffiths's avatar
Dave Griffiths committed
924
   (list
Dave Griffiths's avatar
Dave Griffiths committed
925
    (ktv
Dave Griffiths's avatar
Dave Griffiths committed
926
     "name" "varchar" (string-append "Ralph-" (number->string n)))
Dave Griffiths's avatar
Dave Griffiths committed
927 928
    (ktv "gender" "varchar" "male")
    (ktv "photo" "file" "ralphwiggum.jpg"))
Dave Griffiths's avatar
Dave Griffiths committed
929
   (list
Dave Griffiths's avatar
Dave Griffiths committed
930
    (ktv
Dave Griffiths's avatar
Dave Griffiths committed
931
     "name" "varchar" (string-append "Santaslittlehelper-" (number->string n)))
Dave Griffiths's avatar
Dave Griffiths committed
932 933
    (ktv "gender" "varchar" "male")
    (ktv "photo" "file" "santaslittlehelper.jpg"))
Dave Griffiths's avatar
Dave Griffiths committed
934
   (list
Dave Griffiths's avatar
Dave Griffiths committed
935
    (ktv
Dave Griffiths's avatar
Dave Griffiths committed
936
     "name" "varchar" (string-append "SideshowBob-" (number->string n)))
Dave Griffiths's avatar
Dave Griffiths committed
937 938
    (ktv "gender" "varchar" "male")
    (ktv "photo" "file" "sideshowbob.jpg")))))))))
Dave Griffiths's avatar
Dave Griffiths committed
939 940 941 942 943 944 945 946

(define (looper! n fn)
  (when (not (zero? n))
        (fn n)
        (looper! (- n 1) fn)))

(define (build-test! db table village-ktvlist household-ktvlist individual-ktvlist)
  (looper!
947
   1
Dave Griffiths's avatar
Dave Griffiths committed
948 949 950 951
   (lambda (i)
     (msg "making village" i)
     (let ((village (simpsons-village db table village-ktvlist)))
       (looper!
952
        3
Dave Griffiths's avatar
Dave Griffiths committed
953 954 955 956 957
        (lambda (i)
          (alog "household")
          (msg "making household" i)
          (let ((household (simpsons-household db table village household-ktvlist)))
            (looper!
Dave Griffiths's avatar
Dave Griffiths committed
958
             (random 10)
Dave Griffiths's avatar
Dave Griffiths committed
959 960 961
             (lambda (i)
               (msg "making individual" i)
               (simpsons-individual db table household individual-ktvlist))))))))))
Dave Griffiths's avatar
Dave Griffiths committed
962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996


(define (mangle-test! db table entities)
  (define (_ n)
    (when (not (zero? n))
          (let ((type (choose entities)))
            (msg type)
            (let ((entities (all-entities db table type)))
              (msg "entities:" entities)
              (when (not (null? entities))
                    (let ((id (choose entities)))
                      (msg "entity id:" id)
                      (let ((ktv-list (get-entity db table id)))
                        (when (not (null? ktv-list))
                              (entity-init! db table type ktv-list)
                              (for-each
                               (lambda (ktv)
                                 (when (and
                                        (not (equal? (ktv-key ktv) "deleted"))
                                        (not (equal? (ktv-key ktv) "unique_id"))
                                        (not (equal? (ktv-key ktv) "parent"))
                                        (eqv? (random 10) 0))
                                       (if (equal? (ktv-type ktv) "varchar")
                                           (entity-set-value! (ktv-key ktv) (ktv-type ktv)
                                                              (string-append
                                                               (get-current 'user-id "noid")
                                                               (random-value-for-type (ktv-type ktv))))
                                           (entity-set-value! (ktv-key ktv) (ktv-type ktv)
                                                              (random-value-for-type (ktv-type ktv))))))
                               ktv-list)
                              (msg "modifying" type id)
                              (entity-update-values!))
                        )))))
          (_ (- n 1))))
  (_ (random 10)))