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eventstore
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0.0.2
0.0.1
Event store using PostgreSQL for persistence.
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lib/event_store/config.ex
defmodule EventStore.Config do
@doc """
Normalizes the application configuration.
"""
def parse(config) do
{url, config} = Keyword.pop(config, :url)
Keyword.merge(config, parse_url(url || ""))
end
@doc """
Converts a database url into a Keyword list
"""
def parse_url(""), do: []
def parse_url(url) do
info = url |> URI.decode() |> URI.parse()
if is_nil(info.host) do
raise ArgumentError, message: "host is not present"
end
if is_nil(info.path) or not (info.path =~ ~r"^/([^/])+$") do
raise ArgumentError, message: "path should be a database name"
end
destructure [username, password], info.userinfo && String.split(info.userinfo, ":")
"/" <> database = info.path
opts = [username: username,
password: password,
database: database,
hostname: info.host,
port: info.port]
Enum.reject(opts, fn {_k, v} -> is_nil(v) end)
end
end