# CanI
[](https://travis-ci.org/wizardone/can_i)
Simple authorization system for Elixir based applications.
Define your abilities like so:
```elixir
# Start the agent
CanI.start_link
# Add abilities
CanI.register(:read, fn user -> user.regular? end)
CanI.register(:delete, fn user -> user.admin? end)
# Add multiple abilities
CanI.register([:insert, :delete], fn user -> user.admin? end)
CanI.abilities
#=> [{:read, function}, {:delete, function}]
# Fetch a user record from a database that is supposed to be able to
# delete records
CanI.check_ability(:delete, user)
=> true
# Or if there are no arguments involved for the anonymous function
CanI.register(:read, fn -> false end)
CanI.check_abilities(:read)
=> false
```
## Installation
If [available in Hex](https://hex.pm/docs/publish), the package can be installed
by adding `can_i` to your list of dependencies in `mix.exs`:
```elixir
def deps do
[
{:can_i, "~> 0.1.0"}
]
end
```
Documentation can be generated with [ExDoc](https://github.com/elixir-lang/ex_doc)
and published on [HexDocs](https://hexdocs.pm). Once published, the docs can
be found at [https://hexdocs.pm/can_i](https://hexdocs.pm/can_i).
