def process(self, username=None, recipe_slug=None, brew_slug=None):
publicuser = UserPrefs.all()\
.filter('name =', username)\
.get()
if not publicuser:
return [None, None, None]
recipe = Recipe.all()\
.filter('owner =', publicuser)\
.filter('slug = ', recipe_slug)\
.get()
if not recipe:
return [publicuser, None, None]
if brew_slug is not None:
brew = Brew.all()\
.filter('owner =', publicuser)\
.filter('recipe =', recipe)\
.filter('slug =', brew_slug)\
.get()
if not brew:
return [publicuser, recipe, None]
else:
brew = Brew()
brew.owner = self.user
brew.recipe = recipe
return [publicuser, recipe, brew]
def generate_usable_slug(brew):
"""
Generate a usable slug for a given brew. This method will try to slugify
the brew date + owner and then append an integer if needed, increasing this
integer until no existing brew would be overwritten.
"""
base = brew.started.strftime('%d-%b-%Y') + '-' + brew.owner.name
slug = slugify(base)
# Reuse existing slug if we can
if brew.slug and brew.slug == slug:
return brew.slug
append = 0
while True:
count = Brew.all()\
.filter('owner =', brew.owner)\
.filter('recipe =', brew.recipe)\
.filter('slug =', slug)\
.count()
if not count:
break
append += 1
slug = slugify(base) + str(append)
return slug
def process(self, username=None, recipe_slug=None, brew_slug=None):
publicuser = UserPrefs.all()\
.filter('name =', username)\
.get()
if not publicuser:
return [None, None, None]
recipe = Recipe.all()\
.filter('owner =', publicuser)\
.filter('slug = ', recipe_slug)\
.get()
if not recipe:
return [publicuser, None, None]
if brew_slug is not None:
brew = Brew.all()\
.filter('owner =', publicuser)\
.filter('recipe =', recipe)\
.filter('slug =', brew_slug)\
.get()
if not brew:
return [publicuser, recipe, None]
else:
brew = Brew()
brew.owner = self.user
brew.recipe = recipe
return [publicuser, recipe, brew]
def generate_usable_slug(brew):
"""
Generate a usable slug for a given brew. This method will try to slugify
the brew date + owner and then append an integer if needed, increasing this
integer until no existing brew would be overwritten.
"""
base = brew.started.strftime('%d-%b-%Y') + '-' + brew.owner.name
slug = slugify(base)
# Reuse existing slug if we can
if brew.slug and brew.slug == slug:
return brew.slug
append = 0
while True:
count = Brew.all()\
.filter('owner =', brew.owner)\
.filter('recipe =', brew.recipe)\
.filter('slug =', slug)\
.count()
if not count:
break
append += 1
slug = slugify(base) + str(append)
return slug
def update_grade(self):
"""
Grade a recipe based on several factors:
* Recipe completeness (title, description, ingredients)
* Average brew rating weighted inverse temporally
* Average completeness of brews (measurements, rating, notes)
* Total number of clones, brews and unique brewers
The calculated grade is used to rank recipes - those with the highest
grade will move toward the front of the list. This should hopefully
mean that recipes that are very popular, that many people like, that
have many clones or reviews, and that have many positive reviews
should be shown before others.
What actions can someone take to increase the grade of a recipe?
The owner can make sure it has a proper title, description, and at
least one of each type of ingredient. A normal user can clone and/or
brew the recipe, making sure to fill in as much as possible for the
brew.
"""
from models.brew import Brew
grade = 0.0
clone_count = Recipe.all().filter('cloned_from =', self).count()
logging.info('clone count ' + str(clone_count))
brew_count = Brew.all().filter('recipe =', self).count()
brews = Brew.all().filter('recipe =', self).order('-started').fetch(25)
# Grade completeness
if self.name.lower() not in [
'', 'untitled', 'untitled brew', 'no name'
]:
grade += 1.0
if self.description.lower() not in ['', 'no description', 'none']:
grade += 1.0
if len(self.ingredients['fermentables']) and len(
self.ingredients['spices']) and len(self.ingredients['yeast']):
grade += 1.0
if clone_count and brew_count:
grade += 1.0
# Grade average weighted reviews
count = 0
brewers = set()
avg_review = 0.0
for i, brew in enumerate(brews):
brew_grade = 0.0
brewers.add(brew.owner_key)
# Completeness of brew
if brew.started:
brew_grade += 1.0
if brew.og and brew.fg:
brew_grade += 1.0
if brew.notes:
brew_grade += 1.0
# Brew rating
if brew.rating:
brew_grade += brew.rating
avg_review += brew.rating
count += 1
# Weighted average (0.5, 0.25, 0.125, ...)
grade += brew_grade * (0.5 / (i + 1))
# Total unique brewers
grade += math.ceil(math.log(len(brewers) + 1, 3))
# Total clones and brews
grade += math.ceil(math.log(clone_count + 1, 3))
grade += math.ceil(math.log(brew_count + 1, 3))
# Update values on this recipe
self.grade = grade
self.review_count = brew_count
if count:
self.avg_review = avg_review / count
else:
self.avg_review = 0.0
def update_grade(self):
"""
Grade a recipe based on several factors:
* Recipe completeness (title, description, ingredients)
* Average brew rating weighted inverse temporally
* Average completeness of brews (measurements, rating, notes)
* Total number of clones, brews and unique brewers
The calculated grade is used to rank recipes - those with the highest
grade will move toward the front of the list. This should hopefully
mean that recipes that are very popular, that many people like, that
have many clones or reviews, and that have many positive reviews
should be shown before others.
What actions can someone take to increase the grade of a recipe?
The owner can make sure it has a proper title, description, and at
least one of each type of ingredient. A normal user can clone and/or
brew the recipe, making sure to fill in as much as possible for the
brew.
"""
from models.brew import Brew
grade = 0.0
clone_count = Recipe.all().filter('cloned_from =', self).count()
logging.info('clone count ' + str(clone_count))
brew_count = Brew.all().filter('recipe =', self).count()
brews = Brew.all().filter('recipe =', self).order('-started').fetch(25)
# Grade completeness
if self.name.lower() not in ['', 'untitled', 'untitled brew', 'no name']:
grade += 1.0
if self.description.lower() not in ['', 'no description', 'none']:
grade += 1.0
if len(self.ingredients['fermentables']) and len(self.ingredients['spices']) and len(self.ingredients['yeast']):
grade += 1.0
if clone_count and brew_count:
grade += 1.0
# Grade average weighted reviews
count = 0
brewers = set()
avg_review = 0.0
for i, brew in enumerate(brews):
brew_grade = 0.0
brewers.add(brew.owner_key)
# Completeness of brew
if brew.started:
brew_grade += 1.0
if brew.og and brew.fg:
brew_grade += 1.0
if brew.notes:
brew_grade += 1.0
# Brew rating
if brew.rating:
brew_grade += brew.rating
avg_review += brew.rating
count += 1
# Weighted average (0.5, 0.25, 0.125, ...)
grade += brew_grade * (0.5 / (i + 1))
# Total unique brewers
grade += math.ceil(math.log(len(brewers) + 1, 3))
# Total clones and brews
grade += math.ceil(math.log(clone_count + 1, 3))
grade += math.ceil(math.log(brew_count + 1, 3))
# Update values on this recipe
self.grade = grade
self.review_count = brew_count
if count:
self.avg_review = avg_review / count
else:
self.avg_review = 0.0