Use kemal and crystal 0.10.0 support

.gitignore

@@ -3,3 +3,4 @@
 libs
 .sass-cache
 node_modules
+.shards

app.cr

@@ -1,4 +1,4 @@
-require "frank"
+require "kemal"
 require "http/client"
 require "./views/index"
 require "./models/github_repos"
@@ -27,24 +27,24 @@ def filter(repos, filter)
 end
 
 def fetch_sort(context)
-  sort = context.params["sort"]? || "stars"
+  sort = context.params["sort"]?.try(&.to_s) || "stars"
   sort = "stars" unless SORT_OPTIONS.includes?(sort)
   sort
 end
 
-def fetch_filter(context)
-  context.params["filter"]?.try(&.strip.downcase) || ""
+def fetch_filter(env)
+  env.params["filter"]?.try(&.to_s.strip.downcase) || ""
 end
 
-private def matches_filter?(item: GithubRepo, filter: String)
+private def matches_filter?(item : GithubRepo, filter : String)
   item.name.downcase.includes?(filter) ||
     item.description.try(&.downcase.includes? filter)
 end
 
-get "/" do |context|
-  sort = fetch_sort(context)
-  filter = fetch_filter(context)
-  context.response.content_type = "text/html"
+get "/" do |env|
+  sort = fetch_sort(env)
+  filter = fetch_filter(env)
+  env.content_type = "text/html"
   repos = REPOS_CACHE.fetch(sort) { crystal_repos(sort) }
   repos = filter(repos, filter) unless filter.empty?
   Views::Index.new repos, sort, filter

models/github_repo.cr

@@ -1,18 +1,18 @@
 require "json"
 
 class GithubRepo
-  json_mapping({
+  JSON.mapping({
     name: { type: String },
     html_url: { type: String },
     description: { type: String, nilable: true },
-    watchers_count: { type: Int32 }
+    watchers_count: { type: Int32 },
     owner: Owner,
-    pushed_at: { type: Time, converter: TimeFormat.new("%FT%TZ") },
+    pushed_at: { type: Time, converter: Time::Format.new("%FT%TZ") },
     forks: { type: Int32 },
   })
 
   struct Owner
-    json_mapping({
+    JSON.mapping({
       login: String,
     })
   end

models/github_repos.cr

@@ -2,7 +2,7 @@ require "json"
 require "./github_repo"
 
 class GithubRepos
-  json_mapping({
+  JSON.mapping({
     total_count: { type: Int32 },
     items: { type: Array(GithubRepo) }
   })

shard.lock

@@ -0,0 +1,6 @@
+version: 1.0
+shards:
+  kemal:
+    github: sdogruyol/kemal
+    version: 0.5.0
+

shard.yml

@@ -0,0 +1,8 @@
+name: crystalshards
+version: 0.1.0
+author: Luis Ferreira
+
+dependencies:
+  kemal:
+    github: sdogruyol/kemal
+    version: 0.5.0