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require "http/server"
require "ecr/macros"
require "json"
require "yaml"
require "secure_random"
require "sqlite3"
module Guff
# TODO: think about versioning a bit (semantic, datestamp, etc)
VERSION = "20160715"
end
require "./guff/**"
module Guff
module CLI
module Actions
abstract class Action
def self.run(config : Config)
new(config).run
end
def initialize(@config : Config)
end
abstract def run
end
class InitAction < Action
class Data
YAML.mapping({
init_sql: Array(String),
add_user: String,
test_posts: Array(String),
})
def self.load(system_dir : String) : Data
self.from_yaml(File.read(File.join(system_dir, "init.yaml")))
end
end
def initialize(config : Config)
super(config)
# read init data
@data = Data.load(@config.system_dir)
end
def run
STDERR.puts "Initializing data directory"
Dir.mkdir(@config.data_dir) unless Dir.exists?(@config.data_dir)
Guff::Database.new(@config.db_path) do |db|
@data.init_sql.each do |sql|
db.query(sql)
end
# gen random password and add admin user
# TODO: move these to init.yaml
password = Password.random_password
add_user(db, "Admin", "admin@admin", password)
add_user(db, "Test", "test@test", "test")
add_test_posts(db)
STDERR.puts "admin user: admin@admin, password: #{password}"
end
end
private def add_user(
db : Database,
name : String,
email : String,
password : String
) : Int64
db.query(@data.add_user, [
name,
email,
Password.create(password),
"admin",
])
db.last_insert_row_id.to_i64
end
private def add_test_posts(db)
# STDERR.puts "DEBUG: adding test data"
@data.test_posts.each do |sql|
db.query(sql)
end
end
end
class RunAction < Action
def run
STDERR.puts "Running web server"
check_dirs
# create context
context = Context.new(@config)
STDERR.puts "listening on %s:%s" % [@config.host, @config.port]
# run server
HTTP::Server.new(
@config.host,
@config.port.to_i,
Handlers.get(context)
).listen
end
private def check_dirs
{
system: @config.system_dir,
data: @config.data_dir,
}.each do |name, dir|
unless Dir.exists?(dir)
raise "missing #{name} directory: \"#{dir}\""
end
end
end
end
end
def self.run(app : String, args : Array(String))
begin
begin
# parse command-line arguments
config = Config.parse(app, args)
rescue err
raise "#{err}. Use --help for usage"
end
case config.mode
when "init"
Actions::InitAction.run(config)
when "run"
Actions::RunAction.run(config)
when "help"
# do nothing
else
# never reached
raise "unknown mode: #{config.mode}"
end
rescue err
STDERR.puts "ERROR: #{err}."
exit -1
end
end
end
end
Guff::CLI.run($0, ARGV)
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