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First editing pass on "Active Model Basics" guide

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Lots of grammar, etc fixes.

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Jon Moss 2017-03-12 11:25:24 -04:00
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23
guides/source/active_model_basics.md
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@ -87,7 +87,7 @@ end
### Conversion
If a class defines `persisted?` and `id` methods, then you can include the
`ActiveModel::Conversion` module in that class and call the Rails conversion
`ActiveModel::Conversion` module in that class, and call the Rails conversion
methods on objects of that class.
```ruby
@ -132,7 +132,7 @@ class Person
end
def last_name
@last_name
@last_nameperson.changes # => {"first_name"=>[nil, "First Name"]}
end
def last_name=(value)
@ -156,16 +156,17 @@ person.changed? # => false
person.first_name = "First Name"
person.first_name # => "First Name"
# returns true if any of the attributes have unsaved changes, false otherwise.
# returns true if any of the attributes have unsaved changes.
person.changed? # => true
# returns a list of attributes that have changed before saving.
person.changed # => ["first_name"]
# returns a hash of the attributes that have changed with their original values.
# returns a Hash of the attributes that have changed with their original values.
person.changed_attributes # => {"first_name"=>nil}
# returns a hash of changes, with the attribute names as the keys, and the values will be an array of the old and new value for that field.
# returns a Hash of changes, with the attribute names as the keys, and the
# values as an array of the old and new values for that field.
person.changes # => {"first_name"=>[nil, "First Name"]}
```
@ -179,7 +180,7 @@ person.first_name # => "First Name"
person.first_name_changed? # => true
```
Track what was the previous value of the attribute.
Track the previous value of the attribute.
```ruby
# attr_name_was accessor
@ -187,7 +188,7 @@ person.first_name_was # => nil
```
Track both previous and current value of the changed attribute. Returns an array
if changed, else returns nil.
if changed, otherwise returns nil.
```ruby
# attr_name_change
@ -197,7 +198,7 @@ person.last_name_change # => nil
### Validations
The `ActiveModel::Validations` module adds the ability to validate class objects
The `ActiveModel::Validations` module adds the ability to validate objects
like in Active Record.
```ruby
@ -225,7 +226,7 @@ person.valid? # => raises ActiveModel::StrictValidationFa
### Naming
`ActiveModel::Naming` adds a number of class methods which make the naming and routing
`ActiveModel::Naming` adds a number of class methods which make naming and routing
easier to manage. The module defines the `model_name` class method which
will define a number of accessors using some `ActiveSupport::Inflector` methods.
@ -248,7 +249,7 @@ Person.model_name.singular_route_key # => "person"
### Model
`ActiveModel::Model` adds the ability to a class to work with Action Pack and
`ActiveModel::Model` adds the ability for a class to work with Action Pack and
Action View right out of the box.
```ruby
@ -308,7 +309,7 @@ class Person
end
```
Now you can access a serialized hash of your object using the `serializable_hash`.
Now you can access a serialized hash of your object using the `serializable_hash` method.
```ruby
person = Person.new