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require 'pry'
class Router
def initialize
@routes = []
end
def call(env)
path = env["REQUEST_PATH"]
method = env["REQUEST_METHOD"]
@routes.each do |route|
next if method != route[:method]
params = match_route(path, route[:path])
if params
return respond_html(route[:block].call(params))
end
end
respond_html("not found", status: 404)
end
def match_route(incoming_path, path)
params = {}
incoming_parts = incoming_path.split("/")
path_parts = path.split("/")
incoming_parts.each_with_index do |incoming_part, index|
path_part = path_parts[index]
if path_part&.start_with?(":")
params[path_part[1..-1]] = incoming_part
else
if path_part != incoming_part
return false
end
end
end
params
end
def get(path, &block)
@routes.push({ method: "GET", path: path, block: block })
end
def post(path, &block)
@routes.push({ method: "POST", path: path, block: block })
end
def put(path, &block)
@routes.push({ method: "PUT", path: path, block: block })
end
def delete(path, &block)
@routes.push({ method: "DELETE", path: path, block: block })
end
private
def respond_html(content, status: 200)
[status, {'Content-Type' => 'text/html'}, [content]]
end
end
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