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# coding: utf-8
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from svv import database as db
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from svv.controllers import PageHandler
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from svv.html import tags as html
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from svv.forms import BaseForm, FormError
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import logging
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log = logging.getLogger('svv.items')
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class Item (object) :
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"""
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Data-mapping for the items table
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"""
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db.mapper(Item, db.items, properties=dict(
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# forward ref to parent
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parent = db.relation(Item, remote_side=db.items.c.id,
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backref = db.backref('children', remote_side=db.items.c.parent_id)
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),
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))
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class ItemForm (BaseForm) :
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"""
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Form for editing item
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"""
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def __init__ (self, session) :
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"""
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Use given database session for rendering form.
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"""
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super(ItemForm, self).__init__()
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self.session = session
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def defaults (self) :
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self.item_id = None
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self.item_name = None
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self.item_detail = None
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self.item_quantity = None
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self.item_parent_id = None
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def load (self, item) :
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"""
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Load info from existing item for editing
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"""
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self.item_id = item.id
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self.item_name = item.name
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self.item_detail = item.detail
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self.item_quantity = item.quantity
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self.item_parent_id = item.parent.id if item.parent else None
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def render_parent_select (self, name, parent_id) :
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"""
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Render <select> for parent
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"""
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# existing items suitable as parents
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# XXX: currently only top-level items, as a heuristic
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parent_items = self.session.query(Item.id, Item.name).filter(Item.parent == None).all()
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return (
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# <select> with options and selected=
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self.render_select_input(name, [(0, u"---")] + parent_items, parent_id)
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)
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def render (self, action, legend=u"Laitejuttu", return_url=None, delete_action=None) :
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"""
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Render <form> HTML
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return_url - URL for reset button
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delete_action - (optional) URL to delete-item option
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"""
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return (
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html.form(action=action, method='POST')(
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html.fieldset(
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html.legend(legend),
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html.ol(
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self.render_form_field('item_parent', u"Case", u"Missä laite sijaitsee", (
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self.render_parent_select('item_parent', self.item_parent_id)
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)),
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self.render_form_field('item_name', u"Nimi", u"Lyhyt nimi", (
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self.render_text_input('item_name', self.item_name)
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)),
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self.render_form_field('item_detail', u"Kuvaus", u"Tarkempi kuvaus", (
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self.render_text_input('item_detail', self.item_detail, multiline=True)
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)),
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self.render_form_field('item_quantity', u"Kappalemäärä", u"Jos on esim. useampi piuha/adapter, kirjaa niitten määrä; muuten jätä tyhjäksi", (
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self.render_text_input('item_quantity', self.item_quantity)
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)),
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html.li(
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self.render_submit_button(u"Tallenna"),
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self.render_reset_button(u"Palaa inventaariin", return_url) if return_url else None,
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),
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),
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),
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),
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html.form(action=delete_action, method='POST')(
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html.fieldset(
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html.legend(u"Poistaminen"),
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html.input(type='hidden', name='items', value=self.item_id),
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html.ol(
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html.li(
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html.input(type='submit', name='delete', value=u"Poista"),
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)
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)
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),
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) if delete_action else None
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)
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def process (self, data) :
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"""
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Process incoming POST data
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"""
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# bind
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self.data = data
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self.do_delete = self.process_action_field('delete')
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if not self.do_delete :
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try :
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# XXX: self.process_id_field?
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self.item_parent_id = self.process_integer_field('item_parent')
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except FormError, e :
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self.fail_field(e, 'item_parent')
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try :
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self.item_name = self.process_text_field('item_name', required=True)
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except FormError, e :
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self.fail_field(e, 'item_name')
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try :
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self.item_detail = self.process_text_field('item_detail')
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except FormError, e :
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self.fail_field(e, 'item_detail')
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try :
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self.item_quantity = self.process_integer_field('item_quantity')
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except FormError, e :
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self.fail_field(e, 'item_quantity')
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# ok?
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return not self.errors
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class DeleteItemForm (BaseForm) :
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"""
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Display a list of items to delete, and confirm
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"""
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def __init__ (self, session) :
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"""
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Use given database session for rendering form.
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"""
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super(DeleteItemForm, self).__init__()
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self.session = session
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# list of items to delete
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self.items = []
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def render_items_list (self, name, items) :
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"""
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Render list of items to delete.
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"""
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def render_items (items) :
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return (
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html.ul(
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render_item(item) for item in items
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) if items else None
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)
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def render_item (item) :
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return html.li(
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html.input(type='hidden', name='items', value=item.id),
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item.name,
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render_items(item.children),
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)
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return html.div(class_='value')(
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render_items(items),
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)
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def render (self, action, return_url) :
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"""
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Render form with list of target items, and a confirm button
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"""
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return html.form(action=action, method='POST')(
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html.fieldset(
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html.legend(u"Poistettavat laitteet"),
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html.ol(
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self.render_form_field('items', u"Poistettavat laitteet", u"Kaikki listatut laitteet poistetaan inventaarista", (
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self.render_items_list('items', self.items)
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)),
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html.li(
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self.render_submit_button(u"Varmista", 'confirm'),
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self.render_reset_button(u"Peruuta", return_url),
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),
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)
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)
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)
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def process_items_list (self, name) :
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"""
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Uses the incoming list of id's to build the list of Item's to delete.
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"""
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# incoming ids
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item_ids = self.process_list_field('items', type=int)
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# look up
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items = self.session.query(Item).filter(Item.id.in_(item_ids)).all()
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# make sure they all exist
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found = [item_id for item_id in item_ids if item_id in set(item.id for item in items)]
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if set(found) != set(item_ids) :
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raise FormError(name, found, "Some items were not found")
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if not items :
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raise FormError(name, [], "No items were given")
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# ok
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return items
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def process (self, data) :
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"""
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Look up list of Item's to delete.
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Returns True if the delete is confirmed, False otherwise.
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"""
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# bind
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self.data = data
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# load items
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try :
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self.items = self.process_items_list('items')
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except FormError, e :
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self.fail_field(e, 'items')
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# confirm?
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confirm = self.process_action_field('confirm')
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return not self.errors and confirm
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class ItemView (PageHandler) :
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"""
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Display/edit info for a single item
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"""
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def update (self, item, form) :
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"""
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Update item data from form
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"""
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# lookup
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item.parent = self.session.query(Item).get(form.item_parent_id)
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# modify
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item.name = form.item_name
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item.detail = form.item_detail
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item.quantity = form.item_quantity
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# update
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self.session.commit()
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def process (self, id) :
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"""
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Update item data if POST'd
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"""
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# db
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self.session = self.app.session()
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# item in concern
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self.item = self.session.query(Item).get(id)
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# form
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self.form = ItemForm(self.session)
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self.form.load(self.item)
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# process?
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if self.POST :
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if self.form.process(self.POST) :
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# update
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self.update(self.item, self.form)
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# ok, done with item, redirect to full list view...
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return self.redirect_for(InventoryView, fragment=('item-%d' % self.item.id))
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else :
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# re-render form
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return
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def render_content (self, id) :
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"""
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View item's info
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"""
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return (
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html.h1(u"Laite #%d" % self.item.id),
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self.form.render(
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action = self.url_for(ItemView, id=id),
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return_url = self.url_for(InventoryView),
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delete_action = self.url_for(DeleteItemView),
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),
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)
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class NewItemView (PageHandler) :
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"""
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Create new item
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"""
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def create (self, form) :
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"""
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Create and return new item from ItemForm data.
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"""
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item = Item()
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# validate and lookup parent
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item.parent = self.session.query(Item).get(form.item_parent_id)
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# store
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item.name = form.item_name
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item.detail = form.item_detail
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item.quantity = form.item_quantity
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# insert
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self.session.add(item)
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self.session.commit()
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# ok
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return item
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def process (self) :
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# db
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self.session = self.app.session()
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self.form = ItemForm(self.session)
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# load POST
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if self.POST :
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if self.form.process(self.POST) :
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# create
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item = self.create(self.form)
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# redirect to full list view...
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return self.redirect_for(InventoryView, fragment=('item-%d' % item.id))
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else :
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# fail, just render...
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return
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else :
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# render blank form
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self.form.defaults()
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def render_content (self) :
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"""
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Render the proecss()'d form
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"""
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return (
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self.form.render(action=self.url_for(NewItemView), legend=u"Lisää uusi", delete=True)
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)
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class DeleteItemView (PageHandler) :
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"""
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Confirm deletion of items.
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"""
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def delete (self, form) :
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404 |
"""
|
|
|
405 |
Delete items from form
|
|
|
406 |
"""
|
|
|
407 |
|
|
|
408 |
# list of root Item's to delete, along with children
|
|
|
409 |
items = form.items
|
|
|
410 |
|
|
|
411 |
for item in items :
|
|
|
412 |
self.session.delete(item)
|
|
|
413 |
|
|
|
414 |
# ok
|
|
|
415 |
self.session.commit()
|
|
|
416 |
|
|
|
417 |
def process (self) :
|
|
|
418 |
# db
|
|
|
419 |
self.session = self.app.session()
|
|
|
420 |
|
|
|
421 |
# form
|
|
|
422 |
self.form = DeleteItemForm(self.session)
|
|
|
423 |
|
|
|
424 |
# process
|
|
|
425 |
if self.form.process(self.POST) :
|
|
|
426 |
# delete
|
|
|
427 |
self.delete(self.form)
|
|
|
428 |
|
|
|
429 |
# redirect back
|
|
|
430 |
return self.redirect_for(InventoryView)
|
|
|
431 |
|
|
|
432 |
else :
|
|
|
433 |
# render
|
|
|
434 |
pass
|
|
|
435 |
|
|
|
436 |
def render_content (self) :
|
|
|
437 |
return (
|
|
|
438 |
self.form.render(action=self.url_for(DeleteItemView), return_url=self.url_for(InventoryView))
|
|
|
439 |
)
|
|
|
440 |
|
|
|
441 |
class InventoryView (PageHandler) :
|
|
|
442 |
"""
|
|
|
443 |
Display overview of all items
|
|
|
444 |
"""
|
|
|
445 |
|
|
|
446 |
def process (self) :
|
|
|
447 |
# db
|
|
|
448 |
self.session = self.app.session()
|
|
|
449 |
|
|
|
450 |
def render_item_table (self) :
|
|
|
451 |
"""
|
|
|
452 |
Render HTML for full <table> of all items, sorted heirarchially (by parent)
|
|
|
453 |
"""
|
|
|
454 |
|
|
|
455 |
# listing of inventory items
|
|
|
456 |
items = self.session.query(Item).order_by(Item.parent).all()
|
|
|
457 |
|
|
|
458 |
return html.table(
|
|
|
459 |
html.caption("Kalustolistaus"),
|
|
|
460 |
|
|
|
461 |
html.thead(
|
|
|
462 |
html.tr(
|
|
|
463 |
html.th(title) for title in (
|
|
|
464 |
u"#ID",
|
|
|
465 |
u"Case",
|
|
|
466 |
u"Nimi",
|
|
|
467 |
u"Kuvaus",
|
|
|
468 |
u"Määrä",
|
|
|
469 |
)
|
|
|
470 |
),
|
|
|
471 |
),
|
|
|
472 |
|
|
|
473 |
html.tbody(
|
|
|
474 |
html.tr(id=('item-%d' % item.id))(
|
|
|
475 |
html.td(
|
|
|
476 |
html.a(href=self.url_for(ItemView, id=item.id))(
|
|
|
477 |
u'#%d' % item.id
|
|
|
478 |
)
|
|
|
479 |
),
|
|
|
480 |
|
|
|
481 |
html.td(
|
|
|
482 |
html.a(href=self.url_for(ItemView, id=item.parent.id))(
|
|
|
483 |
item.parent.name
|
|
|
484 |
) if item.parent else None
|
|
|
485 |
),
|
|
|
486 |
|
|
|
487 |
html.td(
|
|
|
488 |
html.a(href=self.url_for(ItemView, id=item.id))(
|
|
|
489 |
item.name
|
|
|
490 |
)
|
|
|
491 |
),
|
|
|
492 |
|
|
|
493 |
html.td(
|
|
|
494 |
item.detail
|
|
|
495 |
),
|
|
|
496 |
|
|
|
497 |
html.td(
|
|
|
498 |
"%d kpl" % item.quantity if item.quantity else None
|
|
|
499 |
),
|
|
|
500 |
) for item in items
|
|
|
501 |
)
|
|
|
502 |
)
|
|
|
503 |
|
|
|
504 |
def render_item_form (self) :
|
|
|
505 |
"""
|
|
|
506 |
Render ItemForm for creating a new item
|
|
|
507 |
"""
|
|
|
508 |
|
|
|
509 |
form = ItemForm(self.session)
|
|
|
510 |
form.defaults()
|
|
|
511 |
|
|
|
512 |
return form.render(action=self.url_for(NewItemView), legend=u"Lisää uusi")
|
|
|
513 |
|
|
|
514 |
def render_content (self) :
|
|
|
515 |
"""
|
|
|
516 |
Full listing of all inventory
|
|
|
517 |
"""
|
|
|
518 |
|
|
|
519 |
return (
|
|
|
520 |
html.h1(u"Inventaari"),
|
|
|
521 |
|
|
|
522 |
self.render_item_table(),
|
|
|
523 |
|
|
|
524 |
self.render_item_form(),
|
|
|
525 |
)
|
|
|
526 |
|