feat: ping route + controller

.env.development

@@ -0,0 +1 @@
+DATABASE_URL=./sqlite/db.sqlite

shard.lock

@@ -4,6 +4,18 @@ shards:
     git: https://github.com/sija/backtracer.cr.git
     version: 1.2.2
 
+  crecto:
+    git: https://github.com/fridgerator/crecto.git
+    version: 0.12.1
+
+  db:
+    git: https://github.com/crystal-lang/crystal-db.git
+    version: 0.13.1
+
+  dotenv:
+    git: https://github.com/gdotdesign/cr-dotenv.git
+    version: 0.6.0
+
   exception_page:
     git: https://github.com/crystal-loot/exception_page.git
     version: 0.4.1
@@ -12,7 +24,19 @@ shards:
     git: https://github.com/kemalcr/kemal.git
     version: 1.5.0
 
+  micrate:
+    git: https://github.com/amberframework/micrate.git
+    version: 0.3.3
+
   radix:
     git: https://github.com/luislavena/radix.git
     version: 0.4.1
 
+  spec-kemal:
+    git: https://github.com/kemalcr/spec-kemal.git
+    version: 0.5.0
+
+  sqlite3:
+    git: https://github.com/crystal-lang/crystal-sqlite3.git
+    version: 0.21.0
+

shard.yml

@@ -1,16 +1,28 @@
-name: url-shortener
+name: pa
 version: 0.1.0
 
 authors:
   - Juan Rodriguez <sjdonado@icloud.com>
 
 targets:
-  url-shortener:
-    main: src/url-shortener.cr
+  pa:
+    main: src/pa.cr
 
 dependencies:
   kemal:
     github: kemalcr/kemal
+  sqlite3:
+    github: crystal-lang/crystal-sqlite3
+  crecto:
+    github: fridgerator/crecto
+  micrate:
+    github: amberframework/micrate
+
+development_dependencies:
+  dotenv:
+    github: gdotdesign/cr-dotenv
+  spec-kemal:
+    github: kemalcr/spec-kemal
 
 crystal: '>= 1.12.1'
 

spec/spec_helper.cr

@@ -1,2 +1,2 @@
 require "spec"
-require "../src/url-shortener"
+require "../src/pa"

src/config/env.cr

@@ -0,0 +1,6 @@
+ENV["APP_ENV"] ||= "development"
+
+{% if env("APP_ENV") != "production" %}
+  require "dotenv"
+  Dotenv.load ".env.#{ENV["APP_ENV"]}" # File must exist in non-production!
+{% end %}

src/config/kemal.cr

@@ -0,0 +1,5 @@
+require "kemal"
+
+Kemal.config.env = ENV["ENV"]? || "development"
+Kemal.config.port = ENV["PORT"]?.try(&.to_i) || 3000
+Kemal.config.host_binding = ENV["HOST"]? || "0.0.0.0"

src/controllers/ping.cr

@@ -0,0 +1,10 @@
+require "../lib/controller.cr"
+
+module Pa::Controllers::Ping
+  class Get < Pa::Lib::BaseController
+    def call(env)
+      response = {"pong" => "ok"}
+      response.to_json
+    end
+  end
+end

src/lib/controller.cr

@@ -0,0 +1,4 @@
+module Pa::Lib
+  abstract class BaseController
+  end
+end

src/pa.cr

@@ -0,0 +1,10 @@
+require "./config/*"
+require "./services/*"
+require "./routes"
+
+error 500 { |env| {"status" => 500, "error" => "Internal Server Error"}.to_json }
+error 401 { |env| {"status" => 401, "error" => "Unauthorized"}.to_json }
+error 403 { |env| {"status" => 403, "error" => "Forbidden"}.to_json }
+error 404 { |env| {"status" => 404, "error" => "Not Found"}.to_json }
+
+Kemal.run

src/routes.cr

@@ -0,0 +1,8 @@
+require "kemal"
+require "./controllers/**"
+
+module Pa
+  get "/api/ping" do |env|
+    Controllers::Ping::Get.new.call(env)
+  end
+end

src/services/database.cr

@@ -0,0 +1,16 @@
+require "sqlite3"
+require "crecto"
+
+module Pa::Services
+  class Repo
+    extend Crecto::Repo
+
+    Query = Crecto::Repo::Query
+    Multi = Crecto::Repo::Multi
+
+    config do |conf|
+      conf.adapter = Crecto::Adapters::SQLite3
+      conf.database = ENV["DATABASE_URL"]
+    end
+  end
+end

src/url-shortener.cr

@@ -1,7 +0,0 @@
-require "kemal"
-
-get "/" do
-  "Hello World!"
-end
-
-Kemal.run

src/version.cr

@@ -0,0 +1,3 @@
+module Pa
+  VERSION = "0.1.0"
+end