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Add "current price history" dialog for product view

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hopefully this does everything it needs to...guess we'll see
This commit is contained in:
Lance Edgar 2020-01-16 11:31:49 -06:00
parent 09a383f89c
commit 91c1c1c5c8
2 changed files with 159 additions and 3 deletions
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8
tailbone/templates/products/view.mako
View file

@ -31,6 +31,11 @@
return false;
});
$('#view-current-price-history').on('click', function() {
showPriceHistory('current');
return false;
});
$('#view-suggested-price-history').on('click', function() {
showPriceHistory('suggested');
return false;
@ -394,6 +399,9 @@
<div class="price-history-dialog" id="regular-price-history-dialog">
${regular_price_history_grid.render_grid()|n}
</div>
<div class="price-history-dialog" id="current-price-history-dialog">
${current_price_history_grid.render_grid()|n}
</div>
<div class="price-history-dialog" id="suggested-price-history-dialog">
${suggested_price_history_grid.render_grid()|n}
</div>

154
tailbone/views/products.py
View file

@ -403,7 +403,7 @@ class ProductsView(MasterView):
f.remove_field('current_price')
else:
f.set_readonly('current_price')
f.set_renderer('current_price', self.render_price)
f.set_renderer('current_price', self.render_current_price)
# current_price_ends
if self.creating:
@ -506,6 +506,21 @@ class ProductsView(MasterView):
else: # not buefy
return self.add_price_history_link(text, 'regular')
def render_current_price(self, product, field):
text = self.render_price(product, field)
if text and self.rattail_config.versioning_enabled():
history = self.get_current_price_history(product)
if history:
date = localtime(self.rattail_config, history[0]['changed'], from_utc=True).date()
text = "{} (as of {})".format(text, date)
if self.get_use_buefy():
# TODO: should add history link here too...
return text
else: # not buefy
return self.add_price_history_link(text, 'current')
def warn_if_regprice_more_than_srp(self, product, text):
sugprice = product.suggested_price.price if product.suggested_price else None
regprice = product.regular_price.price if product.regular_price else None
@ -983,6 +998,24 @@ class ProductsView(MasterView):
grid.set_type('changed', 'datetime')
kwargs['regular_price_history_grid'] = grid
# current price
data = self.get_current_price_history(product)
grid = grids.Grid('products.current_price_history', data,
request=self.request,
columns=[
'price',
'price_type',
'since',
'changed',
'changed_by',
],
labels={
'price_type': "Type",
})
grid.set_type('price', 'currency')
grid.set_type('changed', 'datetime')
kwargs['current_price_history_grid'] = grid
# suggested price
data = self.get_suggested_price_history(product)
grid = grids.Grid('products.suggested_price_history', data,
@ -1066,7 +1099,122 @@ class ProductsView(MasterView):
last_price = version.price
final_history = OrderedDict()
for hist in reversed(history):
for hist in sorted(history, key=lambda h: h['changed'], reverse=True):
if hist['transaction_id'] not in final_history:
final_history[hist['transaction_id']] = hist
return list(final_history.values())
def get_current_price_history(self, product):
"""
Returns a sequence of "records" which corresponds to the given
product's current price history.
"""
Transaction = continuum.transaction_class(model.Product)
ProductVersion = continuum.version_class(model.Product)
ProductPriceVersion = continuum.version_class(model.ProductPrice)
now = make_utc()
history = []
# first we find all relevant ProductVersion records
versions = self.Session.query(ProductVersion)\
.join(Transaction,
Transaction.id == ProductVersion.transaction_id)\
.filter(ProductVersion.uuid == product.uuid)\
.order_by(Transaction.issued_at,
Transaction.id)\
.all()
last_current_uuid = None
last_regular_uuid = None
for version in versions:
changed = False
if version.current_price_uuid != last_current_uuid:
changed = True
elif not version.current_price_uuid and version.regular_price_uuid != last_regular_uuid:
changed = True
if changed:
changed = version.transaction.issued_at
if version.current_price:
assert isinstance(version.current_price, ProductPriceVersion)
price = version.current_price.price
price_type = self.enum.PRICE_TYPE.get(version.current_price.type)
elif version.regular_price:
price = version.regular_price.price
price_type = self.enum.PRICE_TYPE.get(version.regular_price.type)
else:
price = None
price_type = None
history.append({
'transaction_id': version.transaction.id,
'price': price,
'price_type': price_type,
'since': humanize.naturaltime(now - changed),
'changed': changed,
'changed_by': version.transaction.user,
})
last_current_uuid = version.current_price_uuid
last_regular_uuid = version.regular_price_uuid
# next we find all relevant *SALE* ProductPriceVersion records
versions = self.Session.query(ProductPriceVersion)\
.join(Transaction,
Transaction.id == ProductPriceVersion.transaction_id)\
.filter(ProductPriceVersion.product_uuid == product.uuid)\
.filter(ProductPriceVersion.type == self.enum.PRICE_TYPE_SALE)\
.order_by(Transaction.issued_at,
Transaction.id)\
.all()
last_price = None
for version in versions:
# only include this version if it was "current" at the time
if version.uuid == version.product.current_price_uuid:
if version.price != last_price:
changed = version.transaction.issued_at
price = version.price
history.append({
'transaction_id': version.transaction.id,
'price': version.price,
'price_type': self.enum.PRICE_TYPE[version.type],
'since': humanize.naturaltime(now - changed),
'changed': changed,
'changed_by': version.transaction.user,
})
last_price = version.price
# next we find all relevant *TPR* ProductPriceVersion records
versions = self.Session.query(ProductPriceVersion)\
.join(Transaction,
Transaction.id == ProductPriceVersion.transaction_id)\
.filter(ProductPriceVersion.product_uuid == product.uuid)\
.filter(ProductPriceVersion.type == self.enum.PRICE_TYPE_TPR)\
.order_by(Transaction.issued_at,
Transaction.id)\
.all()
last_price = None
for version in versions:
# only include this version if it was "current" at the time
if version.uuid == version.product.current_price_uuid:
if version.price != last_price:
changed = version.transaction.issued_at
price = version.price
history.append({
'transaction_id': version.transaction.id,
'price': version.price,
'price_type': self.enum.PRICE_TYPE[version.type],
'since': humanize.naturaltime(now - changed),
'changed': changed,
'changed_by': version.transaction.user,
})
last_price = version.price
final_history = OrderedDict()
for hist in sorted(history, key=lambda h: h['changed'], reverse=True):
if hist['transaction_id'] not in final_history:
final_history[hist['transaction_id']] = hist
@ -1135,7 +1283,7 @@ class ProductsView(MasterView):
last_price = version.price
final_history = OrderedDict()
for hist in reversed(history):
for hist in sorted(history, key=lambda h: h['changed'], reverse=True):
if hist['transaction_id'] not in final_history:
final_history[hist['transaction_id']] = hist