codecombat/app/views/admin/AnalyticsSubscriptionsView.coffee
Matt Lott 0768b533e2 Subs dashboard perf
Caching older (at least 16 days) Stripe invoices in analytics
collection, which will be updated once a day via the analytics server
cron job.
2015-07-31 16:19:40 -07:00

763 lines
28 KiB
CoffeeScript

RootView = require 'views/core/RootView'
template = require 'templates/admin/analytics-subscriptions'
ThangType = require 'models/ThangType'
User = require 'models/User'
# TODO: Graphing code copied/mangled from campaign editor level view. OMG, DRY.
require 'vendor/d3'
module.exports = class AnalyticsSubscriptionsView extends RootView
id: 'admin-analytics-subscriptions-view'
template: template
targetSubCount: 1200
constructor: (options) ->
super options
@resetSubscriptionsData()
if me.isAdmin()
@refreshData()
_.delay (=> @refreshData()), 30 * 60 * 1000
getRenderData: ->
context = super()
context.analytics = @analytics ? graphs: []
context.cancellations = @cancellations ? []
context.subs = _.cloneDeep(@subs ? []).reverse()
context.subscribers = @subscribers ? []
context.subscriberCancelled = _.find context.subscribers, (subscriber) -> subscriber.cancel
context.subscriberSponsored = _.find context.subscribers, (subscriber) -> subscriber.user?.stripe?.sponsorID
context.total = @total ? 0
context.cancelled = @cancellations?.length ? @cancelled ? 0
context.monthlyChurn = @monthlyChurn ? 0.0
context.monthlyGrowth = @monthlyGrowth ? 0.0
context.outstandingCancels = @outstandingCancels ? []
context.refreshDataState = @refreshDataState
context
afterRender: ->
super()
@updateAnalyticsGraphs()
resetSubscriptionsData: ->
@analytics = graphs: []
@subs = []
@total = 0
@cancelled = 0
@monthlyChurn = 0.0
@monthlyGrowth = 0.0
@refreshDataState = 'Fetching dashboard data...'
refreshData: ->
return unless me.isAdmin()
@resetSubscriptionsData()
@getCancellations (cancellations) =>
@cancellations = cancellations
@render?()
@getOutstandingCancelledSubscriptions cancellations, (outstandingCancels) =>
@outstandingCancels = outstandingCancels
@getSubscriptions cancellations, (subscriptions) =>
@updateAnalyticsGraphData()
@render?()
@getSubscribers subscriptions, =>
@render?()
updateFetchDataState: (msg) ->
@refreshDataState = msg
@render?()
getCancellations: (done) ->
cancellations = []
@getCancellationEvents (cancelledSubscriptions) =>
# Get user objects for cancelled subscriptions
userIDs = _.map cancelledSubscriptions, (a) -> a.userID
options =
url: '/db/user/-/users'
method: 'POST'
data: {ids: userIDs}
options.error = (model, response, options) =>
return if @destroyed
console.error 'Failed to get cancelled users', response
options.success = (cancelledUsers, response, options) =>
return if @destroyed
userMap = {}
userMap[user._id] = user for user in cancelledUsers
for cancellation in cancelledSubscriptions when cancellation.userID of userMap
cancellation.user = userMap[cancellation.userID]
cancellation.level = User.levelFromExp(cancellation.user.points)
cancelledSubscriptions.sort (a, b) -> if a.cancel > b.cancel then -1 else 1
done(cancelledSubscriptions)
@updateFetchDataState 'Fetching cancellations...'
@supermodel.addRequestResource('get_cancelled_users', options, 0).load()
getCancellationEvents: (done) ->
cancellationEvents = []
earliestEventDate = new Date()
earliestEventDate.setUTCMonth(earliestEventDate.getUTCMonth() - 1)
earliestEventDate.setUTCDate(earliestEventDate.getUTCDate() - 8)
nextBatch = (starting_after, done) =>
@updateFetchDataState "Fetching cancellations #{cancellationEvents.length}..."
options =
url: '/db/subscription/-/stripe_events'
method: 'POST'
data: {options: {limit: 100}}
options.data.options.starting_after = starting_after if starting_after
options.data.options.type = 'customer.subscription.updated'
options.data.options.created = gte: Math.floor(earliestEventDate.getTime() / 1000)
options.error = (model, response, options) =>
return if @destroyed
console.error 'Failed to get cancelled events', response
options.success = (events, response, options) =>
return if @destroyed
for event in events.data
continue unless event.data?.object?.cancel_at_period_end is true and event.data?.previous_attributes.cancel_at_period_end is false
continue unless event.data?.object?.plan?.id is 'basic'
continue unless event.data?.object?.id?
cancellationEvents.push
cancel: new Date(event.created * 1000)
customerID: event.data.object.customer
start: new Date(event.data.object.start * 1000)
subscriptionID: event.data.object.id
userID: event.data.object.metadata?.id
if events.has_more
return nextBatch(events.data[events.data.length - 1].id, done)
done(cancellationEvents)
@supermodel.addRequestResource('get_cancellation_events', options, 0).load()
nextBatch null, done
getOutstandingCancelledSubscriptions: (cancellations, done) ->
@updateFetchDataState "Fetching oustanding cancellations..."
options =
url: '/db/subscription/-/stripe_subscriptions'
method: 'POST'
data: {subscriptions: cancellations}
options.error = (model, response, options) =>
return if @destroyed
console.error 'Failed to get outstanding cancellations', response
options.success = (subscriptions, response, options) =>
return if @destroyed
outstandingCancelledSubscriptions = []
for subscription in subscriptions
continue unless subscription?.cancel_at_period_end
outstandingCancelledSubscriptions.push
cancel: new Date(subscription.canceled_at * 1000)
customerID: subscription.customerID
start: new Date(subscription.start * 1000)
subscriptionID: subscription.id
userID: subscription.metadata?.id
done(outstandingCancelledSubscriptions)
@supermodel.addRequestResource('get_outstanding_cancelled_subscriptions', options, 0).load()
getSubscribers: (subscriptions, done) ->
# console.log 'getSubscribers', subscriptions.length
@updateFetchDataState "Fetching recent subscribers..."
@render?()
maxSubscribers = 40
subscribers = _.filter subscriptions, (a) -> a.userID?
subscribers.sort (a, b) -> if a.start > b.start then -1 else 1
subscribers = subscribers.slice(0, maxSubscribers)
subscriberUserIDs = _.map subscribers, (a) -> a.userID
options =
url: '/db/subscription/-/subscribers'
method: 'POST'
data: {ids: subscriberUserIDs}
options.error = (model, response, options) =>
return if @destroyed
console.error 'Failed to get subscribers', response
options.success = (userMap, response, options) =>
return if @destroyed
for subscriber in subscribers
continue unless subscriber.userID of userMap
subscriber.user = userMap[subscriber.userID]
subscriber.level = User.levelFromExp subscriber.user.points
if hero = subscriber.user.heroConfig?.thangType
subscriber.hero = _.invert(ThangType.heroes)[hero]
@subscribers = subscribers
done()
@supermodel.addRequestResource('get_subscribers', options, 0).load()
getSubscriptions: (cancellations=[], done) ->
@getInvoices (invoices) =>
subMap = {}
for invoice in invoices
subID = invoice.subscriptionID
if subID of subMap
subMap[subID].first = new Date(invoice.date)
else
subMap[subID] =
first: new Date(invoice.date)
last: new Date(invoice.date)
customerID: invoice.customerID
subMap[subID].userID = invoice.userID if invoice.userID
@getSponsors (sponsors) =>
@getRecipientSubscriptions sponsors, (recipientSubscriptions) =>
for subscription in recipientSubscriptions
subMap[subscription.id] =
first: new Date(subscription.start * 1000)
subMap[subscription.id].userID = subscription.metadata.id if subscription.metadata?.id?
if subscription.cancel_at_period_end
subMap[subscription.id].cancel = new Date(subscription.canceled_at * 1000)
subMap[subscription.id].end = new Date(subscription.current_period_end * 1000)
subs = []
for subID of subMap
sub =
customerID: subMap[subID].customerID
start: subMap[subID].first
subscriptionID: subID
sub.cancel = subMap[subID].cancel if subMap[subID].cancel
oneMonthAgo = new Date()
oneMonthAgo.setUTCMonth(oneMonthAgo.getUTCMonth() - 1)
if subMap[subID].end?
sub.end = subMap[subID].end
else if subMap[subID].last < oneMonthAgo
sub.end = subMap[subID].last
sub.end.setUTCMonth(sub.end.getUTCMonth() + 1)
sub.userID = subMap[subID].userID if subMap[subID].userID
subs.push sub
subDayMap = {}
for sub in subs
startDay = sub.start.toISOString().substring(0, 10)
subDayMap[startDay] ?= {}
subDayMap[startDay]['start'] ?= 0
subDayMap[startDay]['start']++
if endDay = sub?.end?.toISOString().substring(0, 10)
subDayMap[endDay] ?= {}
subDayMap[endDay]['end'] ?= 0
subDayMap[endDay]['end']++
for cancellation in cancellations
if cancellation.subscriptionID is sub.subscriptionID
sub.cancel = cancellation.cancel
cancelDay = cancellation.cancel.toISOString().substring(0, 10)
subDayMap[cancelDay] ?= {}
subDayMap[cancelDay]['cancel'] ?= 0
subDayMap[cancelDay]['cancel']++
break
today = new Date().toISOString().substring(0, 10)
for day of subDayMap
continue if day > today
@subs.push
day: day
started: subDayMap[day]['start'] or 0
cancelled: subDayMap[day]['cancel'] or 0
ended: subDayMap[day]['end'] or 0
@subs.sort (a, b) -> a.day.localeCompare(b.day)
totalLastMonth = 0
for sub, i in @subs
@total += sub.started
@total -= sub.ended
@cancelled += sub.cancelled
sub.total = @total
totalLastMonth = @total if @subs.length - i is 31
@monthlyChurn = @cancelled / totalLastMonth * 100.0 if totalLastMonth > 0
if @subs.length > 30 and @subs[@subs.length - 31].total > 0
startMonthTotal = @subs[@subs.length - 31].total
endMonthTotal = @subs[@subs.length - 1].total
@monthlyGrowth = (endMonthTotal / startMonthTotal - 1) * 100
done(subs)
getInvoices: (done) ->
invoices = {}
addInvoice = (invoice) =>
return unless invoice.paid
return unless invoice.subscription
return unless invoice.total > 0
return unless invoice.lines?.data?[0]?.plan?.id is 'basic'
invoices[invoice.id] =
customerID: invoice.customer
subscriptionID: invoice.subscription
date: new Date(invoice.date * 1000)
invoices[invoice.id].userID = invoice.lines.data[0].metadata.id if invoice.lines?.data?[0]?.metadata?.id
getLiveInvoices = (ending_before, done) =>
nextBatch = (ending_before, done) =>
@updateFetchDataState "Fetching invoices #{Object.keys(invoices).length}..."
options =
url: '/db/subscription/-/stripe_invoices'
method: 'POST'
data: {options: {ending_before: ending_before, limit: 100}}
options.error = (model, response, options) =>
return if @destroyed
console.error 'Failed to get live invoices', response
options.success = (invoiceData, response, options) =>
return if @destroyed
addInvoice(invoice) for invoice in invoiceData.data
if invoiceData.has_more
return nextBatch(invoiceData.data[0].id, done)
else
invoices = (invoice for invoiceID, invoice of invoices)
invoices.sort (a, b) -> if a.date > b.date then -1 else 1
return done(invoices)
@supermodel.addRequestResource('get_live_invoices', options, 0).load()
nextBatch ending_before, done
getAnalyticsInvoices = (done) =>
@updateFetchDataState "Fetching invoices #{Object.keys(invoices).length}..."
options =
url: '/db/analytics_stripe_invoice/-/all'
method: 'GET'
options.error = (model, response, options) =>
return if @destroyed
console.error 'Failed to get analytics stripe invoices', response
options.success = (docs, response, options) =>
return if @destroyed
docs.sort (a, b) -> b.date - a.date
addInvoice(doc.properties) for doc in docs
getLiveInvoices(docs[0]._id, done)
@supermodel.addRequestResource('get_analytics_invoices', options, 0).load()
getAnalyticsInvoices(done)
getRecipientSubscriptions: (sponsors, done) ->
@updateFetchDataState "Fetching recipient subscriptions..."
subscriptionsToFetch = []
for user in sponsors
for recipient in user.stripe?.recipients
subscriptionsToFetch.push
customerID: user.stripe.customerID
subscriptionID: recipient.subscriptionID
return done([]) if _.isEmpty subscriptionsToFetch
options =
url: '/db/subscription/-/stripe_subscriptions'
method: 'POST'
data: {subscriptions: subscriptionsToFetch}
options.error = (model, response, options) =>
return if @destroyed
console.error 'Failed to get recipient subscriptions', response
options.success = (subscriptions, response, options) =>
return if @destroyed
done(subscriptions)
@supermodel.addRequestResource('get_recipient_subscriptions', options, 0).load()
getSponsors: (done) ->
@updateFetchDataState "Fetching sponsors..."
options =
url: '/db/user/-/sub_sponsors'
method: 'POST'
options.error = (model, response, options) =>
return if @destroyed
console.error 'Failed to get sponsors', response
options.success = (sponsors, response, options) =>
return if @destroyed
done(sponsors)
@supermodel.addRequestResource('get_sponsors', options, 0).load()
updateAnalyticsGraphData: ->
# console.log 'updateAnalyticsGraphData'
# Build graphs based on available @analytics data
# Currently only one graph
@analytics.graphs = []
return unless @subs?.length > 0
@addGraphData(60)
@addGraphData(180, true)
addGraphData: (timeframeDays, skipCancelled=false) ->
graph = {graphID: 'total-subs', lines: []}
# TODO: Where should this metadata live?
# TODO: lineIDs assumed to be unique across graphs
totalSubsID = 'total-subs'
targetSubsID = 'target-subs'
startedSubsID = 'started-subs'
cancelledSubsID = 'cancelled-subs'
netSubsID = 'net-subs'
averageNewID = 'average-new'
lineMetadata = {}
lineMetadata[totalSubsID] =
description: 'Total Active Subscriptions'
color: 'green'
strokeWidth: 1
lineMetadata[targetSubsID] =
description: 'Target Total Subscriptions'
color: 'gold'
strokeWidth: 4
opacity: 1.0
lineMetadata[startedSubsID] =
description: 'New Subscriptions'
color: 'blue'
strokeWidth: 1
lineMetadata[cancelledSubsID] =
description: 'Cancelled Subscriptions'
color: 'red'
strokeWidth: 1
lineMetadata[netSubsID] =
description: '7-day Average Net Subscriptions (started - cancelled)'
color: 'black'
strokeWidth: 4
lineMetadata[averageNewID] =
description: '7-day Average New Subscriptions'
color: 'black'
strokeWidth: 4
days = (sub.day for sub in @subs)
if days.length > 0
currentIndex = 0
currentDay = days[currentIndex]
currentDate = new Date(currentDay + "T00:00:00.000Z")
lastDay = days[days.length - 1]
while currentDay isnt lastDay
days.splice currentIndex, 0, currentDay if days[currentIndex] isnt currentDay
currentIndex++
currentDate.setUTCDate(currentDate.getUTCDate() + 1)
currentDay = currentDate.toISOString().substr(0, 10)
## Totals
# Build line data
levelPoints = []
for sub, i in @subs
levelPoints.push
x: i
y: sub.total
day: sub.day
pointID: "#{totalSubsID}#{i}"
values: []
# Ensure points for each day
for day, i in days
if levelPoints.length <= i or levelPoints[i].day isnt day
prevY = if i > 0 then levelPoints[i - 1].y else 0.0
levelPoints.splice i, 0,
y: prevY
day: day
values: []
levelPoints[i].x = i
levelPoints[i].pointID = "#{totalSubsID}#{i}"
levelPoints.splice(0, levelPoints.length - timeframeDays) if levelPoints.length > timeframeDays
graph.lines.push
lineID: totalSubsID
enabled: true
points: levelPoints
description: lineMetadata[totalSubsID].description
lineColor: lineMetadata[totalSubsID].color
strokeWidth: lineMetadata[totalSubsID].strokeWidth
min: 0
max: Math.max(@targetSubCount, d3.max(@subs, (d) -> d.total))
## Started
# Build line data
levelPoints = []
for sub, i in @subs
levelPoints.push
x: i
y: sub.started
day: sub.day
pointID: "#{startedSubsID}#{i}"
values: []
# Ensure points for each day
for day, i in days
if levelPoints.length <= i or levelPoints[i].day isnt day
prevY = if i > 0 then levelPoints[i - 1].y else 0.0
levelPoints.splice i, 0,
y: prevY
day: day
values: []
levelPoints[i].x = i
levelPoints[i].pointID = "#{startedSubsID}#{i}"
levelPoints.splice(0, levelPoints.length - timeframeDays) if levelPoints.length > timeframeDays
graph.lines.push
lineID: startedSubsID
enabled: true
points: levelPoints
description: lineMetadata[startedSubsID].description
lineColor: lineMetadata[startedSubsID].color
strokeWidth: lineMetadata[startedSubsID].strokeWidth
min: 0
max: d3.max(@subs[-timeframeDays..], (d) -> d.started + 2)
if skipCancelled
## 7-Day average started
# Build line data
levelPoints = []
sevenStarts = []
for sub, i in @subs
average = 0
sevenStarts.push sub.started
if sevenStarts.length > 7
sevenStarts.shift()
if sevenStarts.length is 7
average = sevenStarts.reduce((a, b) -> a + b) / sevenStarts.length
levelPoints.push
x: i
y: average
day: sub.day
pointID: "#{averageNewID}#{i}"
values: []
# Ensure points for each day
for day, i in days
if levelPoints.length <= i or levelPoints[i].day isnt day
prevY = if i > 0 then levelPoints[i - 1].y else 0.0
levelPoints.splice i, 0,
y: prevY
day: day
values: []
levelPoints[i].x = i
levelPoints[i].pointID = "#{averageNewID}#{i}"
levelPoints.splice(0, levelPoints.length - timeframeDays) if levelPoints.length > timeframeDays
graph.lines.push
lineID: averageNewID
enabled: true
points: levelPoints
description: lineMetadata[averageNewID].description
lineColor: lineMetadata[averageNewID].color
strokeWidth: lineMetadata[averageNewID].strokeWidth
min: 0
max: d3.max(@subs[-timeframeDays..], (d) -> d.started + 2)
else
## Total subs target
# Build line data
levelPoints = []
for sub, i in @subs
levelPoints.push
x: i
y: @targetSubCount
day: sub.day
pointID: "#{targetSubsID}#{i}"
values: []
levelPoints.splice(0, levelPoints.length - timeframeDays) if levelPoints.length > timeframeDays
graph.lines.push
lineID: targetSubsID
enabled: true
points: levelPoints
description: lineMetadata[targetSubsID].description
lineColor: lineMetadata[targetSubsID].color
strokeWidth: lineMetadata[targetSubsID].strokeWidth
min: 0
max: Math.max(@targetSubCount, d3.max(@subs, (d) -> d.total))
## Cancelled
# TODO: move this average cancelled stuff up the chain
averageCancelled = 0
# Build line data
levelPoints = []
cancelled = []
for sub, i in @subs[@subs.length - 30...]
cancelled.push sub.cancelled
levelPoints.push
x: @subs.length - 30 + i
y: sub.cancelled
day: sub.day
pointID: "#{cancelledSubsID}#{@subs.length - 30 + i}"
values: []
averageCancelled = cancelled.reduce((a, b) -> a + b) / cancelled.length
for sub, i in @subs[0...-30]
levelPoints.splice i, 0,
x: i
y: averageCancelled
day: sub.day
pointID: "#{cancelledSubsID}#{i}"
values: []
# Ensure points for each day
for day, i in days
if levelPoints.length <= i or levelPoints[i].day isnt day
prevY = if i > 0 then levelPoints[i - 1].y else 0.0
levelPoints.splice i, 0,
y: prevY
day: day
values: []
levelPoints[i].x = i
levelPoints[i].pointID = "#{cancelledSubsID}#{i}"
levelPoints.splice(0, levelPoints.length - timeframeDays) if levelPoints.length > timeframeDays
graph.lines.push
lineID: cancelledSubsID
enabled: true
points: levelPoints
description: lineMetadata[cancelledSubsID].description
lineColor: lineMetadata[cancelledSubsID].color
strokeWidth: lineMetadata[cancelledSubsID].strokeWidth
min: 0
max: d3.max(@subs[-timeframeDays..], (d) -> d.started + 2)
## 7-Day Net Subs
# Build line data
levelPoints = []
sevenNets = []
for sub, i in @subs
net = 0
if i >= @subs.length - 30
sevenNets.push sub.started - sub.cancelled
else
sevenNets.push sub.started - averageCancelled
if sevenNets.length > 7
sevenNets.shift()
if sevenNets.length is 7
net = sevenNets.reduce((a, b) -> a + b) / 7
levelPoints.push
x: i
y: net
day: sub.day
pointID: "#{netSubsID}#{i}"
values: []
# Ensure points for each day
for day, i in days
if levelPoints.length <= i or levelPoints[i].day isnt day
prevY = if i > 0 then levelPoints[i - 1].y else 0.0
levelPoints.splice i, 0,
y: prevY
day: day
values: []
levelPoints[i].x = i
levelPoints[i].pointID = "#{netSubsID}#{i}"
levelPoints.splice(0, levelPoints.length - timeframeDays) if levelPoints.length > timeframeDays
graph.lines.push
lineID: netSubsID
enabled: true
points: levelPoints
description: lineMetadata[netSubsID].description
lineColor: lineMetadata[netSubsID].color
strokeWidth: lineMetadata[netSubsID].strokeWidth
min: 0
max: d3.max(@subs[-timeframeDays..], (d) -> d.started + 2)
@analytics.graphs.push(graph)
updateAnalyticsGraphs: ->
# Build d3 graphs
return unless @analytics?.graphs?.length > 0
containerSelector = '.line-graph-container'
# console.log 'updateAnalyticsGraphs', containerSelector, @analytics.graphs
margin = 20
keyHeight = 20
xAxisHeight = 20
yAxisWidth = 40
containerWidth = $(containerSelector).width()
containerHeight = $(containerSelector).height()
for graph in @analytics.graphs
graphLineCount = _.reduce graph.lines, ((sum, item) -> if item.enabled then sum + 1 else sum), 0
svg = d3.select(containerSelector).append("svg")
.attr("width", containerWidth)
.attr("height", containerHeight)
width = containerWidth - margin * 2 - yAxisWidth * 2
height = containerHeight - margin * 2 - xAxisHeight - keyHeight * graphLineCount
currentLine = 0
for line in graph.lines
continue unless line.enabled
xRange = d3.scale.linear().range([0, width]).domain([d3.min(line.points, (d) -> d.x), d3.max(line.points, (d) -> d.x)])
yRange = d3.scale.linear().range([height, 0]).domain([line.min, line.max])
# x-Axis
if currentLine is 0
startDay = new Date(line.points[0].day)
endDay = new Date(line.points[line.points.length - 1].day)
xAxisRange = d3.time.scale()
.domain([startDay, endDay])
.range([0, width])
xAxis = d3.svg.axis()
.scale(xAxisRange)
svg.append("g")
.attr("class", "x axis")
.call(xAxis)
.selectAll("text")
.attr("dy", ".35em")
.attr("transform", "translate(" + (margin + yAxisWidth) + "," + (height + margin) + ")")
.style("text-anchor", "start")
if line.lineID is 'started-subs'
# Horizontal guidelines
marks = (Math.round(i * line.max / 5) for i in [1...5])
svg.selectAll(".line")
.data(marks)
.enter()
.append("line")
.attr("x1", margin + yAxisWidth * 2)
.attr("y1", (d) -> margin + yRange(d))
.attr("x2", margin + yAxisWidth * 2 + width)
.attr("y2", (d) -> margin + yRange(d))
.attr("stroke", line.lineColor)
.style("opacity", "0.5")
if currentLine < 2
# y-Axis
yAxisRange = d3.scale.linear().range([height, 0]).domain([line.min, line.max])
yAxis = d3.svg.axis()
.scale(yRange)
.orient("left")
svg.append("g")
.attr("class", "y axis")
.attr("transform", "translate(" + (margin + yAxisWidth * currentLine) + "," + margin + ")")
.style("color", line.lineColor)
.call(yAxis)
.selectAll("text")
.attr("y", 0)
.attr("x", 0)
.attr("fill", line.lineColor)
.style("text-anchor", "start")
# Key
svg.append("line")
.attr("x1", margin)
.attr("y1", margin + height + xAxisHeight + keyHeight * currentLine + keyHeight / 2)
.attr("x2", margin + 40)
.attr("y2", margin + height + xAxisHeight + keyHeight * currentLine + keyHeight / 2)
.attr("stroke", line.lineColor)
.attr("class", "key-line")
svg.append("text")
.attr("x", margin + 40 + 10)
.attr("y", margin + height + xAxisHeight + keyHeight * currentLine + (keyHeight + 10) / 2)
.attr("fill", if line.lineColor is 'gold' then 'orange' else line.lineColor)
.attr("class", "key-text")
.text(line.description)
# Path and points
svg.selectAll(".circle")
.data(line.points)
.enter()
.append("circle")
.attr("transform", "translate(" + (margin + yAxisWidth * 2) + "," + margin + ")")
.attr("cx", (d) -> xRange(d.x))
.attr("cy", (d) -> yRange(d.y))
.attr("r", 2)
.attr("fill", line.lineColor)
.attr("stroke-width", 1)
.attr("class", "graph-point")
.attr("data-pointid", (d) -> "#{line.lineID}#{d.x}")
d3line = d3.svg.line()
.x((d) -> xRange(d.x))
.y((d) -> yRange(d.y))
.interpolate("linear")
svg.append("path")
.attr("d", d3line(line.points))
.attr("transform", "translate(" + (margin + yAxisWidth * 2) + "," + margin + ")")
.style("stroke-width", line.strokeWidth)
.style("stroke", line.lineColor)
.style("fill", "none")
currentLine++