Regarding the 'id' field. I create the id field myself so I can set
readable = False
Thanks for field_id recommendation. However, that didn't help either, the
field still didn't show up in the onvalidation function.
-Jim
On Thursday, April 25, 2019 at 4:51:20 PM UTC-5, João Matos wrote:
>
> You shouldn't create a field called id. Check the recommendations on the
> docs. web2py creates an id (auto-increment) field automatically.
>
> Anyway, form.vars.* are only available on onvalidation if the field is
> editable.
>
> Check your grid config. Maybe adding field_id=db.brix_test.id would help.
> Check request.vars.id.
>
>
> quinta-feira, 25 de Abril de 2019 às 00:50:22 UTC+1, Jim S escreveu:
>>
>> Give the following table:
>>
>> db.define_table('brix_test',
>> Field('id', 'id', readable=False),
>> Field('site', 'reference site',
>> requires=IS_IN_DB(self.db, 'site',
>> '%(siteNumber)s - %(name)s',
>> zero='..')),
>> Field('mixer_tech', 'reference mixerTech',
>> requires=IS_IN_DB(self.db, 'mixerTech', '%(name)s', zero='..')),
>> Field('sampled', 'datetime', requires=IS_DATE('%m/%d/%Y %I:%M %p')),
>> Field('sample_id', length=20, requires=IS_NOT_EMPTY()),
>> Field('source', length=50, requires=IS_NOT_EMPTY()),
>> Field('water_weight', 'integer', requires=IS_INT_IN_RANGE(100, 300)))
>>
>>
>> I want to create an onvalidation function to be run when saving from by
>> SQLFORM.grid that will ensure that the 'source' field is unique within each
>> site.
>>
>> Ex:
>>
>> A record for Site 1 can have a sample_id of 'Tank 1'
>> A record for Site 2 can have a sample_id of 'Tank 1'
>>
>> But you cannot have more than 1 record for Site 1 where sample_id is
>> 'Tank 1'
>>
>> My problem is that I can't get my 'id' field to be recognized in my
>> onvalidation function:
>>
>> def validate_brix_test(form):
>> brix_test_id = form.vars.id
>> site_id = form.vars.site
>> mixer_tech_id = form.vars.mixer_tech
>> sample_id = form.vars.sample_id
>>
>>
>> site = db.site(site_id)
>>
>>
>> # mixer tech must belong to the site specified
>> mt = db.mixerTech(mixer_tech_id)
>> if not mt:
>> form.errors.mixer_tech = 'Mixer Tech was not found'
>> else:
>> if mt.siteId != site_id:
>> form.errors.mixer_tech = 'Mixer Tech does not belong to %s.'
>> % site.name
>>
>>
>> # sample id must be unique within the site
>> if brix_test_id and brix_test_id > 0:
>> sample_id_count = db((db.brix_test.id != brix_test_id) &
>> (db.brix_test.sample_id == sample_id) &
>> (db.brix_test.site == site_id)).count()
>> else:
>> sample_id_count = db((db.brix_test.sample_id == sample_id) &
>> (db.brix_test.site == site_id)).count()
>>
>>
>> if sample_id_count > 0:
>> form.errors.sample_id = 'This sample ID has already been used at
>> %s.' % site.name
>>
>>
>> return
>>
>> The problem is that form.vars.id is always None regardless of whether or
>> not I have db.brix_test.id.readable = db.brix_test.id.writable = True or
>> False
>>
>> Any idea how I can get the ID of the record in the form into the
>> onvalidation function?
>>
>> -Jim
>>
>>
>>
--
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