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package triad
class Templates[Builder, Output <: FragT, FragT](
val bundle: scalatags.generic.Bundle[Builder, Output, FragT]) {
import bundle.all._
val colorStyles = List(
"bg-primary",
"bg-secondary",
"bg-success",
"bg-danger",
"bg-warning",
"bg-info",
"bg-dark"
)
// pick a "random" style by computing a hash of arbitrary data
def dataStyle(data: String) = {
val dataHash = data.foldLeft(7) {
case (hash, char) =>
(hash * 31 + char.toInt)
}
colorStyles(
((dataHash % colorStyles.length) + colorStyles.length) % colorStyles.length)
}
def message(msg: Message) = {
val tags = msg.hashTags.map(
hashTag =>
span(`class` := "badge badge-light float-right ml-1")(
hashTag
))
div(`class` := "col-xs-12 col-sm-6 col-md-3 col-lg-2")(
div(`class` := s"card text-white mb-3 ${dataStyle(msg.author)}")(
div(`class` := "card-header")(
msg.author,
tags
),
div(`class` := "card-body")(
div(`class` := "card-text")(
msg.content
)
)
)
)
}
def conversation(messages: Seq[Message]): Tag =
div(`class` := "container-fluid")(
div(id := "conversation", `class` := "row")(
for (msg <- messages.sortBy(_.timestamp)) yield message(msg)
)
)
}
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