hubot-deployment/deployment.coffee

# Description:
#   Deployment script
#
# Commands:
#   hubot deploy <project> [with <program>] [from branch <branch>] to <target> [after <command>[, <command>, ...]]
#
# URLS:
#
# Notes:
#
fs = require 'fs'

module.exports = (robot) ->
    robot.hear /deploy +([^\s]+)( +with +([^\s]+))?( +from +branch +([^\s]+))? +to +([^\s]+)( +after (.*))?$/i, (res) ->
        project  = res.match[1]
        target   = res.match[6]
        program  = if res.match[3] then res.match[3] else null
        branch   = if res.match[5] then res.match[5] else null
        commands = if res.match[8] then cleanCommands res.match[8].split "," else []

        directory = "/home/simon/www/repo/" + project

        try
            fs.stat directory, (err, stats) ->
                if err != null or !stats.isDirectory
                    return res.reply "Project not found [" + directory + "]"

                try
                    fs.statSync directory + '/.svn'
                    pv = new SvnProjectVersionning branch
                catch e
                
                try
                    fs.statSync directory + '/.git'
                    pv = new GitProjectVersionning branch
                catch e

                if pv
                    deploy directory, pv, commands, target, program
                else
                    res.reply "Not a SVN or GIT repository"
        catch e
            res.reply "Exception: " + e

class ProjectVersionning
    constructor: (@branch) ->
    getUpdateCommands: () ->

class SvnProjectVersionning extends ProjectVersionning
    getUpdateCommands: () ->
        ['svn up']

class GitProjectVersionning extends ProjectVersionning
    getUpdateCommands: () ->
        commands = []

        if @branch == null
            commands.push 'git pull origin $(git rev-parse --abbrev-ref HEAD)'
        else
            br = @branch.split('/')

            if br.length == 1
                commands.push 'git checkout ' + br[0]
                commands.push 'git pull origin ' + br[0]
            else if br.length == 2
                commands.push 'git checkout ' + br[1]
                commands.push 'git pull ' + br.join(' ')

        commands

deploy = (directory, projectVersionning, commands, target, program) ->
    exec = require('sync-exec');
    commands = projectVersionning.getUpdateCommands().concat(commands)

    for command in commands
        exec command, {cwd: directory}

    exec buildDeployCommand(directory, program, target), {cwd: directory}

buildDeployCommand = (directory, program, target) ->
    if program == 'mage'
        command = 'mage deploy to:' + target
    else
        interpreter = null

        try
            fs.statSync directory + '/bin/console'
            interpreter = 'php bin/console'
        catch e
        
        try
            fs.statSync directory + '/app/console'
            interpreter = 'php app/console'
        catch e

        if interpreter != null
            command = interpreter + ' project:deploy ' + target + ' --go'

    command
        

cleanCommands = (commands) ->
    results = []
    commands = commands.map Function.prototype.call, String.prototype.trim

    interpreters = {
        "sf"      : "php symfony",
        "sf2"     : "php app/console",
        "sf3"     : "php bin/console",
        "composer": "composer"
    }

    for command in commands
        if command != ""
            if command.match /(sf[2-3]?|artisan):.+/
                elements = command.split(":")
                interpreter = elements[0]
                elements = elements.splice 1
                args = elements.join(":")
                results.push interpreters[interpreter] + " " + args

    results