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Web development in Lua @ FOSDEM 2016
The document introduces Sailor, an MVC web framework written completely in Lua that allows for web development in Lua. Sailor is compatible with various web servers and databases, and provides features like routing, sessions, templates and form generation out of the box. It has a simple structure for models, controllers and views, and includes validation, ORM and code generation capabilities. While still early in development, Sailor aims to be a full-featured framework for building web applications in Lua.
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Similar to Web development in Lua @ FOSDEM 2016
Web development in Lua @ FOSDEM 2016
- 1. Web development in Lua IntroducingSailor, an MVC web framework Etiene Dalcol @etiene_d
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- 4. @etiene_dFOSDEM 2016 Google Summerof Code LabLua
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- 7. @etiene_dFOSDEM 2016 Web devin Lua Sailor The future
- 8. @etiene_dFOSDEM 2016 Web devin Lua Sailor The future
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- 11. @etiene_dFOSDEM 2016 Servers • Apache:mod_lua • Nginx: OpenResty
- 12. @etiene_dFOSDEM 2016 Servers • Apache:mod_lua • Nginx: OpenResty
- 13. @etiene_dFOSDEM 2016 Servers • Apache:mod_lua • Nginx: OpenResty • Xavante • Others: Lighttpd, Lwan, Pegasus, Mongoose
- 14. @etiene_dFOSDEM 2016 Frameworks Micro-frameworks Lapis MVC Orbit Event-driven Luvit TurboLua Others Ophal, Sputnik,LuaPress, Tir, Vanilla http://lua.space/webdev/the-best-lua-web-frameworks
- 15. @etiene_dFOSDEM 2016 Web devin Lua Sailor The future
- 16. @etiene_dFOSDEM 2016 What exactlyis Sailor? • It’s an MVC web framework • Completely written in Lua • Compatible with Apache (mod_lua), Nginx (OpenResty), Xavante, Mongoose, Lighttpd and Lwan • Compatible with Linux, Windows and Mac • Compatible with different databases • MIT License • v0.5 (Pluto) • Planning next release to be a 1.0!
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- 18. @etiene_dFOSDEM 2016 What (else)is cool about Sailor? • Routing and friendly URLs • Session, cookies, include, redirect… • Lua Pages parsing • Mail sending • Simple Object Relational-Mapping • Validation (valua) • Basic login and authentication modules • Form generation • Themes (Bootstrap integration out of the box) • App generator (Linux and Mac only) • Model and CRUD generator • Automated tests
- 19. @etiene_dFOSDEM 2016 • Routingand friendly URLs • Session, cookies, include, redirect… • Lua Pages parsing • Mail sending • Simple Object Relational-Mapping • Validation (valua) • Basic login and authentication modules • Form generation • Themes (Bootstrap integration out of the box) • App generator (Linux and Mac only) • Model and CRUD generator • Automated tests • Lua at client What (else) is cool about Sailor?
- 20. @etiene_dFOSDEM 2016 Not sogreat things • It’s still in early development • Things are changing fast • It lacks features • Documentation
- 21. @etiene_dFOSDEM 2016 How toget Sailor! $ luarocks install sailor $ sailor create ‘My App’ /var/www $ cd /var/www/my_app $ lua start-server.lua
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- 24. @etiene_dFOSDEM 2016 Example! -- /controllers/site.lua localsite = {} function site.index(page) local msg = “Hello World” page:render(‘index’, { msg = msg } ) end function site.notindex(page) page.theme = nil page:write(“I’m different!”) end return site
- 25. @etiene_dFOSDEM 2016 <!-- /views/site/index.lp—> <p> A message from the server: <?lua page:print(msg) ?> <br/> The message again: <%= msg %> <!-- syntactic sugar: same thing as above —> </p> Example!
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- 27. @etiene_dFOSDEM 2016 <?lua@server --Code here runs on the server ?> <?lua -- Same as above ?> <?lua@client -- Runs at the client ?> <?lua@both -- Runs at the server and the client ?> <?lua@both another_msg = “Another message” ?> <?lua page:print(another_msg) ?> <?lua@client window:alert(another_msg) ?> Example!
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- 29. @etiene_dFOSDEM 2016 local user= {} local v = require “valua” -- validation module user.attributes = { { id = “safe” }, { name = v:new().not_empty().len(6,50) } } user.db = { key = ‘id’, table = ‘users’ } user.relations = { posts = { -- u.posts relation = “HAS_MANY”, model = “post”, attribute = “author_id” } } return user Example!
- 30. @etiene_dFOSDEM 2016 local user= {} local v = require “valua” -- validation module user.attributes = { { id = “safe” }, { name = v:new().not_empty().len(6,50) } } user.db = { key = ‘id’, table = ‘users’ } user.relations = { posts = { -- u.posts relation = “HAS_MANY”, model = “post”, attribute = “author_id” } } return user Example!
- 31. @etiene_dFOSDEM 2016 -- /controllers/site.lua localsite = {} function site.index(page) local User = sailor.model(‘user’) local u = User:new() u.name = ‘Arnold’ local msg if u:save() then msg = ‘Success’ else msg = table.unpack(u.errors) end local users = User:find_all() page:render(‘index’, { msg = msg, users = users } ) end return site Example!
- 32. @etiene_dFOSDEM 2016 Web devin Lua Sailor The future
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