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128 lines
3.5 KiB
CoffeeScript
128 lines
3.5 KiB
CoffeeScript
React = require 'react'
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{Utils} = require 'nylas-exports'
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_ = require 'underscore'
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class ThreadListParticipants extends React.Component
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@displayName: 'ThreadListParticipants'
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@propTypes:
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thread: React.PropTypes.object.isRequired
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shouldComponentUpdate: (nextProps) =>
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return false if nextProps.thread is @props.thread
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true
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render: =>
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items = @getTokens()
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<div className="participants">
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{@renderSpans(items)}
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</div>
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renderSpans: (items) =>
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spans = []
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accumulated = null
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accumulatedUnread = false
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flush = ->
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if accumulated
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spans.push <span key={spans.length} className="unread-#{accumulatedUnread}">{accumulated}</span>
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accumulated = null
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accumulatedUnread = false
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accumulate = (text, unread) ->
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if accumulated and unread and accumulatedUnread isnt unread
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flush()
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if accumulated
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accumulated += text
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else
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accumulated = text
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accumulatedUnread = unread
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for {spacer, contact, unread}, idx in items
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if spacer
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accumulate('...')
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else
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if contact.name and contact.name.length > 0
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if items.length > 1
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short = contact.displayName(includeAccountLabel: false, compact: true)
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else
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short = contact.displayName(includeAccountLabel: false)
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else
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short = contact.email
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if idx < items.length-1 and not items[idx+1].spacer
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short += ", "
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accumulate(short, unread)
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if not @props.thread.__messages
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throw new Error("ThreadListParticipants requires __messages.")
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messages = (@props.thread.__messages ? [])
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if messages.length > 1
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accumulate(" (#{messages.length})")
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flush()
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return spans
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getTokensFromMessages: =>
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messages = @props.thread.__messages
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tokens = []
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field = 'from'
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if (messages.every (message) -> message.isFromMe())
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field = 'to'
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for message, idx in messages
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if message.draft
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continue
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for contact in message[field]
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if tokens.length is 0
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tokens.push({ contact: contact, unread: message.unread })
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else
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lastToken = tokens[tokens.length - 1]
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lastContact = lastToken.contact
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sameEmail = Utils.emailIsEquivalent(lastContact.email, contact.email)
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sameName = lastContact.name is contact.name
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if sameEmail and sameName
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lastToken.unread ||= message.unread
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else
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tokens.push({ contact: contact, unread: message.unread })
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tokens
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getTokensFromParticipants: =>
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contacts = @props.thread.participants ? []
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contacts = contacts.filter (contact) -> not contact.isMe()
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contacts.map (contact) -> { contact: contact, unread: false }
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getTokens: =>
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if @props.thread.__messages instanceof Array
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list = @getTokensFromMessages()
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else
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list = @getTokensFromParticipants()
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# If no participants, we should at least add current user as sole participant
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if list.length is 0 and @props.thread.participants?.length > 0
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list.push({ contact: @props.thread.participants[0], unread: false })
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# We only ever want to show three. Ben...Kevin... Marty
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# But we want the *right* three.
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if list.length > 3
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listTrimmed = [
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# Always include the first item
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list[0],
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{ spacer: true },
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# Always include last two items
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list[list.length - 2],
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list[list.length - 1]
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]
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list = listTrimmed
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list
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module.exports = ThreadListParticipants
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