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89 lines
3.1 KiB
CoffeeScript
89 lines
3.1 KiB
CoffeeScript
async = require('async')
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logger = require 'logger-sharelatex'
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Settings = require 'settings-sharelatex'
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crypto = require('crypto')
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Mailchimp = require('mailchimp-api-v3')
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if !Settings.mailchimp?.api_key?
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logger.info "Using newsletter provider: none"
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mailchimp =
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request: (opts, cb)-> cb()
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else
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logger.info "Using newsletter provider: mailchimp"
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mailchimp = new Mailchimp(Settings.mailchimp?.api_key)
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module.exports =
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subscribe: (user, callback = () ->)->
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options = buildOptions(user, true)
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logger.log options:options, user:user, email:user.email, "subscribing user to the mailing list"
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mailchimp.request options, (err)->
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if err?
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logger.err err:err, user:user, "error subscribing person to newsletter"
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else
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logger.log user:user, "finished subscribing user to the newsletter"
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callback(err)
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unsubscribe: (user, callback = () ->)->
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logger.log user:user, email:user.email, "trying to unsubscribe user to the mailing list"
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options = buildOptions(user, false)
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mailchimp.request options, (err)->
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if err?
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logger.err err:err, user:user, "error unsubscribing person to newsletter"
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else
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logger.log user:user, "finished unsubscribing user to the newsletter"
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callback(err)
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changeEmail: (oldEmail, newEmail, callback = ()->)->
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options = buildOptions({email:oldEmail})
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delete options.body.status
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options.body.email_address = newEmail
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logger.log {oldEmail, newEmail, options}, "changing email in newsletter"
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mailchimp.request options, (err)->
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if err? and err?.message?.indexOf("merge fields were invalid") != -1
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logger.log {oldEmail, newEmail}, "unable to change email in newsletter, user has never subscribed"
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return callback()
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else if err? and err?.message?.indexOf("could not be validated") != -1
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logger.log {oldEmail, newEmail},
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"unable to change email in newsletter, user has previously unsubscribed or new email already exist on list"
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return callback()
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else if err? and err.message.indexOf("is already a list member") != -1
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logger.log {oldEmail, newEmail},
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"unable to change email in newsletter, new email is already on mailing list"
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return callback()
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else if err? and err?.message?.indexOf("looks fake or invalid") != -1
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logger.log {oldEmail, newEmail},
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"unable to change email in newsletter, email looks fake to mailchimp"
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return callback()
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else if err?
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logger.err {err, oldEmail, newEmail}, "error changing email in newsletter"
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return callback(err)
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else
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logger.log "finished changing email in the newsletter"
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return callback()
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hashEmail = (email)->
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crypto.createHash('md5').update(email.toLowerCase()).digest("hex")
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buildOptions = (user, is_subscribed)->
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subscriber_hash = hashEmail(user.email)
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status = if is_subscribed then "subscribed" else "unsubscribed"
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opts =
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method: "PUT"
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path: "/lists/#{Settings.mailchimp?.list_id}/members/#{subscriber_hash}"
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body:
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email_address:user.email
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status_if_new: status
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#only set status if we explictly want to set it
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if is_subscribed?
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opts.body.status = status
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if user._id?
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opts.body.merge_fields =
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FNAME: user.first_name
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LNAME: user.last_name
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MONGO_ID:user._id
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return opts
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