171 lines
6.5 KiB
CoffeeScript
171 lines
6.5 KiB
CoffeeScript
express = require 'express'
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eco = require 'eco'
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https = require 'https'
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fs = require "fs"
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yaml = require "js-yaml"
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# Helper object for GitHub Issues.
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Issues =
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# Make HTTPS GET to GitHub API v3.
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get: (path, type, callback) ->
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options =
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host: "api.github.com"
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method: "GET"
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path: path
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https.request(options, (response) ->
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if response.statusCode is 200
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json = ""
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response.on "data", (chunk) -> json += chunk
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response.on "end", -> callback JSON.parse(json), type
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).end()
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# URLs to API.
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getOpenIssues: (callback) -> Issues.get "/repos/#{Issues.config.github_user}/#{Issues.config.github_project}/issues?state=open", 'issues', callback
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getClosedIssues: (callback) -> Issues.get "/repos/#{Issues.config.github_user}/#{Issues.config.github_project}/issues?state=closed", 'issues', callback
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getMilestones: (callback) -> Issues.get "/repos/#{Issues.config.github_user}/#{Issues.config.github_project}/milestones", 'milestones', callback
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# Convert GitHub ISO to JS ISO date and then time
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dateToTime: (date) -> new Date(date[0...date.length - 1] + '.000' + date.charAt date.length-1).getTime()
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# Format issues for display in a listing.
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format: (issue) ->
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# Format the timestamps.
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if issue.created_at? then issue.created_at = new Date(Issues.dateToTime(issue.created_at)).toUTCString()
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if issue.updated_at? then issue.updated_at = new Date(Issues.dateToTime(issue.updated_at)).toUTCString()
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issue
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# Express.
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app = express.createServer()
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app.configure ->
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app.use express.logger()
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app.use express.bodyParser()
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app.set 'view engine', 'eco'
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app.set 'views', './templates'
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# Register a custom .eco compiler.
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app.engine 'eco', (path, options, callback) ->
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fs.readFile "./#{path}", "utf8", (err, str) ->
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callback eco.render str, options
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app.use express.static('./public')
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app.configure 'development', ->
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app.use express.errorHandler
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dumpExceptions: true
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showStack: true
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app.configure 'production', ->
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app.use express.errorHandler()
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# Show burndown chart.
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app.get '/burndown', (req, res) ->
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resources = 3 ; store = { 'issues': [], 'milestones': [] }
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done = (data, type) ->
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# One less to do.
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resources--
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switch type
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when 'issues' then store.issues = store.issues.concat data
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when 'milestones' then store.milestones = store.milestones.concat data
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# Are we done?
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if resources is 0
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# Store the current milestone and its size.
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current = { 'milestone': {}, 'diff': +Infinity, 'size': 0 }
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# Determine the 'current' milestone
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now = new Date().getTime()
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for milestone in store.milestones
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due = milestone['due_on']
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# JS expects more accuracy.
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due = Issues.dateToTime due
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# Is this the 'current' one?
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diff = due - now
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if diff > 0 and diff < current.diff
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current.milestone = milestone ; current.diff = diff ; current.due = due
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# Create n dict with all dates in the milestone span.
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days = {} ; totalDays = 0
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day = Issues.dateToTime current.milestone.created_at # TODO: shift this to the start of the day and deal with time shifts.
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while day < current.due
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# Save the day.
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days[day] = { 'issue': {}, 'actual': 0, 'ideal': 0 }
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# Shift by a day.
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day += 1000 * 60 * 60 * 24
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# Increase the total count.
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totalDays += 1
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# Now go through the issues and place them to the appropriate days.
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for issue in store.issues
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# This milestone?
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if issue.milestone?.number is current.milestone.number
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# Has a size label?
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if issue.labels?
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issue.size = do (issue) ->
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for label in issue.labels
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if label.name.indexOf("size ") is 0
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return parseInt label.name[5...]
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if issue.size?
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# Increase the total size of the milestone.
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current.size += issue.size
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# Is it closed?
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if issue.closed_at?
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closed = Issues.dateToTime issue.closed_at
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# Find when was it closed (will be made faster)
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day = do () ->
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for day, x of days
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if closed < day then return day
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# Save it.
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if day? then days[day]['issue'] = issue
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# Calculate the predicted daily velocity.
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dailyIdeal = current['size'] / totalDays ; ideal = current['size']
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# Go through the days and save the number of outstanding issues size.
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for day, d of days
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# Does this day have an issue closed? Reduce the total for this milestone.
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if d['issue'].size? then current['size'] -= d['issue'].size
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# Save the oustanding count for that day.
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days[day].actual = current['size']
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# Save the predicted velocity for that day.
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ideal -= dailyIdeal
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days[day].ideal = ideal
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# Finally send to client.
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res.render 'burndown',
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'days': days
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'project': Issues.config.project_name
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, (html) -> res.send html, 'Content-Type': 'text/html', 200
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# Get Milestones, Opened and Closed Tickets.
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Issues.getMilestones done
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Issues.getOpenIssues done
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Issues.getClosedIssues done
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# Show open issues.
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app.get '/issues', (req, res) ->
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Issues.getOpenIssues (issues) ->
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# Replace the dates in issues with nice dates.
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issues = ( Issues.format(issue) for issue in issues )
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res.render 'issues',
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'issues': issues
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'project': Issues.config.project_name
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, (html) -> res.send html, 'Content-Type': 'text/html', 200
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# Fetch config and start server.
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fs.readFile "config.yml", "utf8", (err, data) ->
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Issues.config = yaml.load data
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app.listen 3000
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console.log "Express server listening to port 3000" |