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phoenix
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Productive. Reliable. Fast. A productive web framework that does not compromise speed or maintainability.
Security advisory:
This version has known vulnerabilities.
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Files
lib/mix/tasks/phx.gen.presence.ex
defmodule Mix.Tasks.Phx.Gen.Presence do
@shortdoc "Generates a Presence tracker"
@moduledoc """
Generates a Presence tracker for your application.
mix phx.gen.presence
mix phx.gen.presence MyPresence
The only argument is the module name of the Presence tracker,
which defaults to Presence.
A new file will be generated in `lib/my_app_web/channels/presence.ex`,
where `my_app_web` is the snake cased version of the module name provided.
"""
use Mix.Task
@doc false
def run([]) do
run(["Presence"])
end
def run([alias_name]) do
if Mix.Project.umbrella?() do
Mix.raise "mix phx.gen.presence can only be run inside an application directory"
end
context_app = Mix.Phoenix.context_app()
otp_app = Mix.Phoenix.otp_app()
web_prefix = Mix.Phoenix.web_path(context_app)
inflections = Mix.Phoenix.inflect(alias_name)
inflections = Keyword.put(inflections, :module, "#{inflections[:web_module]}.#{inflections[:scoped]}")
binding = inflections ++ [
otp_app: otp_app,
pubsub_server: Module.concat(inflections[:base], PubSub)
]
files = [
{:eex, "presence.ex", Path.join(web_prefix, "channels/#{binding[:path]}.ex")},
]
Mix.Phoenix.copy_from paths(), "priv/templates/phx.gen.presence", binding, files
Mix.shell.info """
Add your new module to your supervision tree,
in lib/#{otp_app}/application.ex:
children = [
...
#{binding[:module]}
]
You're all set! See the Phoenix.Presence docs for more details:
http://hexdocs.pm/phoenix/Phoenix.Presence.html
"""
end
defp paths do
[".", :phoenix]
end
end