fixed examples in examples
This commit is contained in:
Massimo Di Pierro
@@ -1,51 +1,50 @@
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from gluon.fileutils import read_file
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response.menu = [['Register User', False, URL(r=request,
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f='register_user')], ['Register Dog', False,
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URL('register_dog')], ['Register Product'
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, False, URL('register_product')],
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response.menu = [['Register Person', False, URL('register_person')],
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['Register Dog', False, URL('register_dog')],
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['Register Product', False, URL('register_product')],
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['Buy product', False, URL('buy')]]
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def register_user():
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""" simple user registration form with validation and database.insert()
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def register_person():
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""" simple person registration form with validation and database.insert()
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also lists all records currently in the table"""
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# ## create an insert form from the table
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# create an insert form from the table
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form = SQLFORM(db.person)
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form = SQLFORM(db.users)
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# ## if form correct perform the insert
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if form.accepts(request.vars, session):
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# if form correct perform the insert
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if form.process().accepted:
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response.flash = 'new record inserted'
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# ## and get a list of all users
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# and get a list of all persons
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records = SQLTABLE(db().select(db.person.ALL),headers='fieldname:capitalize')
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records = SQLTABLE(db().select(db.users.ALL))
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return dict(form=form, records=records)
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def register_dog():
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""" simple user registration form with validation and database.insert()
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""" simple person registration form with validation and database.insert()
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also lists all records currently in the table"""
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form = SQLFORM(db.dogs)
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if form.accepts(request.vars, session):
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form = SQLFORM(db.dog)
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if form.process().accepted:
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response.flash = 'new record inserted'
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download = URL('download') # to see the picture
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records = SQLTABLE(db().select(db.dogs.ALL), upload=download)
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records = SQLTABLE(db().select(db.dog.ALL), upload=download,
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headers='fieldname:capitalize')
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return dict(form=form, records=records)
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def register_product():
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""" simple user registration form with validation and database.insert()
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""" simple person registration form with validation and database.insert()
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also lists all records currently in the table"""
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form = SQLFORM(db.products)
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if form.accepts(request.vars, session):
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form = SQLFORM(db.product)
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if form.process().accepted:
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response.flash = 'new record inserted'
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records = SQLTABLE(db().select(db.products.ALL))
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records = SQLTABLE(db().select(db.product.ALL),
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headers='fieldname:capitalize')
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return dict(form=form, records=records)
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@@ -53,100 +52,38 @@ def buy():
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""" uses a form to query who is buying what. validates form and
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updates existing record or inserts new record in purchases """
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buyerRecords = db().select(db.users.ALL)
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buyerOptions = []
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for row in buyerRecords:
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buyerOptions.append(OPTION(row.name, _value=row.id))
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form = SQLFORM.factory(
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Field('buyer_id',requires=IS_IN_DB(db,db.person.id,'%(name)s')),
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Field('product_id',requires=IS_IN_DB(db,db.product.id,'%(name)s')),
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Field('quantity','integer',requires=IS_INT_IN_RANGE(1,100)))
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if form.process().accepted:
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# get previous purchese
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purchase = db((db.purchase.buyer_id == form.vars.buyer_id)&
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(db.purchase.product_id==form.vars.product_id)).select().first()
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productRecords = db().select(db.products.ALL)
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productOptions = []
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for row in productRecords:
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productOptions.append(OPTION(row.name, _value=row.id))
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form = FORM(TABLE(
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TR('Buyer id:',
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SELECT(buyerOptions,_name='buyer_id')),
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TR('Product id:',
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SELECT(productOptions,_name='product_id')),
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TR('Quantity:',
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INPUT(_type='text', _name='quantity',
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requires=IS_INT_IN_RANGE(1, 100))),
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TR('',
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INPUT(_type='submit', _value='Order'))
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))
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if form.accepts(request.vars, session, keepvalues=True):
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# ## check if user is in the database
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if len(db(db.users.id == form.vars.buyer_id).select()) == 0:
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form.errors.buyer_id = 'buyer not in database'
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# ## check if product is the database
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if len(db(db.products.id == form.vars.product_id).select())\
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== 0:
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form.errors.product_id = 'product not in database'
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# ## if no errors
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if len(form.errors) == 0:
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# ## get a list of same purchases by same user
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purchases = db((db.purchases.buyer_id == form.vars.buyer_id)
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& (db.purchases.product_id
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== form.vars.product_id)).select()
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# ## if list contains a record, update that record
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if len(purchases) > 0:
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purchases[0].update_record(quantity=purchases[0].quantity
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+ form.vars.quantity)
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else:
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# ## or insert a new record in table
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db.purchases.insert(buyer_id=form.vars.buyer_id,
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product_id=form.vars.product_id,
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quantity=form.vars.quantity)
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response.flash = 'product purchased!'
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if len(form.errors):
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if purchase:
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# if list contains a record, update that record
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purchase.update_record(
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quantity = purchase.quantity+form.vars.quantity)
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else:
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# self insert a new record in table
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db.purchase.insert(buyer_id=form.vars.buyer_id,
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product_id=form.vars.product_id,
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quantity=form.vars.quantity)
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response.flash = 'product purchased!'
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elif form.errors:
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response.flash = 'invalid values in form!'
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# ## now get a list of all purchases
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# quick fix to make it runnable on gae
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if purchased:
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records = db(purchased).select(db.users.name,
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db.purchases.quantity,
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db.products.name)
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else:
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records = db().select(db.purchases.ALL)
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return dict(form=form, records=SQLTABLE(records), vars=form.vars,
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vars2=request.vars)
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# now get a list of all purchases
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records = SQLTABLE(db(purchased).select(),headers='fieldname:capitalize')
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return dict(form=form, records=records)
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def delete_purchased():
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""" delete all records in purchases """
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db(db.purchases.id > 0).delete()
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db(db.purchase.id > 0).delete()
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redirect(URL('buy'))
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def reset_purchased():
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""" set quantity=0 for all records in purchases """
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db(db.purchases.id > 0).update(quantity=0)
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redirect(URL('buy'))
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def download():
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""" used to download uploaded files """
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import gluon.contenttype
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app = request.application
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filename = request.args[0]
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response.headers['Content-Type'] = \
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gluon.contenttype.contenttype(filename)
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return read_file('applications/%s/uploads/%s' % (app, filename), 'rb')
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return response.download(request,db)
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