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Copy pathmemoapp.rb
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81 lines (68 loc) · 1.37 KB
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# frozen_string_literal: true
require 'bundler/setup'
require 'json'
require 'rubygems'
require 'sinatra'
require 'sinatra/reloader'
DATA_FILE_PATH = 'data/data.json'
helpers do
def h(text)
Rack::Utils.escape_html(text)
end
end
get '/' do
@memos = load_memos
erb :top
end
get '/memo/compose' do
erb :new_memo
end
post '/memo/compose' do
memos = load_memos
id = calc_maxid(memos)
memos[id] = { 'title' => params[:title], 'memo' => params[:memo] }
write_data(memos)
redirect "/memo/#{id}"
end
get '/memo/:id' do
@id = params[:id]
memos = load_memos
@memo = memos[@id]
erb :show_memo
end
get '/memo/:id/edit' do
@id = params[:id]
memos = load_memos
@memo = memos[@id]
erb :edit_memo
end
patch '/memo/:id' do
id = params[:id]
memos = load_memos
new_memo = { 'title' => params[:title], 'memo' => params[:memo] }
memos[id] = new_memo
write_data(memos)
redirect "/memo/#{id}"
end
delete '/memo/:id' do
id = params[:id]
memos = load_memos
memos.delete(id)
write_data(memos)
redirect '/'
end
def calc_maxid(memos)
ids = memos.keys.map(&:to_i)
ids.empty? ? 1 : ids.max + 1
end
def load_memos
write_data({}) unless File.exist?(DATA_FILE_PATH)
File.open(DATA_FILE_PATH) do |file|
JSON.parse(file.read)
end
end
def write_data(memos)
File.open(DATA_FILE_PATH, 'w') do |file|
file.write(JSON.generate(memos))
end
end