rename variable
add new fields
rename variable
remove argument, argument sent over filter param
insert whitspaces
remove unused variable
rename test file to match tested file
create one day range function
remove field occurred_at_day
inline the function
introduce a parent class for models
use to_hash function from parent class
remove unused function
default value empty hash, to be consistent
dont use classname in the same class
apply ruby coding conventions
use space when assigning default values to method
shorten constant names
break long lines
remove unneeded self