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Add support for compound sorting

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Omar Roth 2020-02-02 11:52:39 -05:00
parent abf3c4e53f
commit 7ab7beabf4
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1 changed files with 14 additions and 20 deletions
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34
src/instances.cr
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@ -97,7 +97,7 @@ end
get "/" do |env|
sort_by = env.params.query["sort_by"]?
sort_by ||= "users"
sort_by ||= "type,users"
instances = sort_instances(INSTANCES, sort_by)
@ -109,7 +109,7 @@ get "/instances.json" do |env|
env.response.content_type = "application/json; charset=utf-8"
sort_by = env.params.query["sort_by"]?
sort_by ||= "users"
sort_by ||= "type,users"
instances = sort_instances(INSTANCES, sort_by)
@ -129,27 +129,21 @@ static_headers do |response, filepath, filestat|
response.headers.add("Cache-Control", "max-age=86400")
end
SORT_PROCS = {
"health" => ->(name : String, instance : Instance) { -(instance[:monitor]?.try &.["weeklyRatio"]["ratio"].as_s.to_f || 0.0) },
"location" => ->(name : String, instance : Instance) { instance[:region]? || "ZZ" },
"name" => ->(name : String, instance : Instance) { name },
"signup" => ->(name : String, instance : Instance) { instance[:stats]?.try &.["openRegistrations"]?.try { |bool| bool.as_bool ? 0 : 1 } || 2 },
"type" => ->(name : String, instance : Instance) { instance[:type] },
"users" => ->(name : String, instance : Instance) { -(instance[:stats]?.try &.["usage"]?.try &.["users"]["total"].as_i || 0.0) },
"version" => ->(name : String, instance : Instance) { instance[:stats]?.try &.["software"]?.try &.["version"].as_s.try &.split("-", 2)[0].split(".").map { |a| -a.to_i } || [0, 0, 0] },
}
def sort_instances(instances, sort_by)
sort_proc = ->(instance : Tuple(String, Instance)) { instance[0] }
instances = instances.to_a
sorts = sort_by.downcase.split("-", 2)[0].split(",").map { |s| SORT_PROCS[s] }
case sort_by
when .starts_with? "name"
instances.sort_by! { |name, instance| name }
when .starts_with? "version"
instances = instances.sort_by { |name, instance| "#{instance[:stats]?.try &.["software"]?.try &.["version"].as_s.split("-")[0] || "0.0.0"}#{name}" }.reverse
when .starts_with? "type"
instances.sort_by! { |name, instance| instance[:type] }
when .starts_with? "signup"
instances.sort_by! { |name, instance| instance[:stats]?.try &.["openRegistrations"]?.try { |bool| bool.as_bool ? 0 : 1 } || 2 }
when .starts_with? "location"
instances.sort_by! { |name, instance| instance[:region]? || "ZZ" }
when .starts_with? "health"
instances = instances.sort_by { |name, instance| instance[:monitor]?.try &.["weeklyRatio"]["ratio"].as_s.to_f || 0.0 }.reverse
when .starts_with? "users"
instances = instances.sort_by { |name, instance| instance[:stats]?.try &.["usage"]?.try &.["users"]["total"].as_i || 0 }.reverse
end
instances.sort_by! { |name, instance| sorts.map &.call(name, instance).to_s }
instances.reverse! if sort_by.ends_with?("-reverse")
instances
end