Add migration generator

src/clear/cli/generator.cr

@@ -1,34 +1,39 @@
 require "ecr"
 
 module Clear::CLI
-  record Generator, name : String, desc : String, callback : Hash(Symbol, String) -> Void
+  module Generate
+    record Generator, name : String, desc : String, callback : Hash(Symbol, String) -> Void
 
-  @@generators : Hash(String, Generator) = {} of String => Generator
+    @@generators : Hash(String, Generator) = {} of String => Generator
 
-  def self.add_generator(name, desc, &block : Hash(Symbol, String) -> Void)
-    add_generator Generator.new(name, desc, block)
-  end
+    def self.add_generator(name, desc, &block : Hash(Symbol, String) -> Void)
+      add_generator Generator.new(name, desc, block)
+    end
 
-  def self.add_generator(generator : Generator)
-    @@generators[generator.name] = generator
-  end
+    def self.add_generator(generator : Generator)
+      @@generators[generator.name] = generator
+    end
 
-  def self.run_generator(name, options, directory : String? = nil)
-    opts = {} of Symbol => String
+    def self.run_generator(name, options, directory : String? = nil)
+      opts = {} of Symbol => String
 
-    opts[:email] = `git config user.email`.chomp || "[email protected]"
-    opts[:user_name] = `git config user.name`.chomp || "Your Name"
-    opts[:app_name] = "MyApp"
-    opts[:app_name_underscore] = opts[:app_name].underscore
-    opts[:directory] = directory || opts[:app_name_underscore]
+      opts[:email] = `git config user.email`.chomp || "[email protected]"
+      opts[:user_name] = `git config user.name`.chomp || "Your Name"
+      opts[:app_name] = "MyApp"
+      opts[:app_name_underscore] = opts[:app_name].underscore
+      opts[:directory] = directory || opts[:app_name_underscore]
 
-    @@generators[name].callback.call(opts)
-  end
+      @@generators[name].callback.call(opts)
+    end
+
+    macro ecr_to_s(file, opts)
+      io = IO::Memory.new
+      ECR.embed {{file}}, io
+      io.to_s
+    end
 
-  macro ecr_to_s(file, opts)
-    io = IO::Memory.new
-    ECR.embed {{file}}, io
-    io.to_s
+    def self.run(args)
+    end
   end
 end
 

src/clear/cli/generators/migration.cr

@@ -0,0 +1,14 @@
+Clear::CLI::Generate.add_generator("migration",
+  "Create a new migration") do |opts|
+  g = Generate::Generator.new
+  g.target_directory = "."
+
+  timestamp = Time.now.epoch.to_s.rjust(10, '0')
+
+  file_name = "#{timestamp}_#{opts[:name].underscore}.cr"
+  opts[:class_name] = "#{opts[:name].camelcase}#{timestamp}"
+
+  g.in_directory "src/db/migrations" do
+    g.file(file_name, "./templates/migration.ecr")
+  end
+end

src/clear/cli/generators/kemal.cr → src/clear/cli/generators/new/kemal.cr

@@ -1,6 +1,6 @@
 require "generate"
 
-Clear::CLI.add_generator("kemal",
+Clear::CLI::Generate.add_generator("new/kemal",
   "Setup a minimal application with kemal and clear") do |opts|
   g = Generate::Generator.new
   g.target_directory = opts[:directory] || "."
@@ -57,5 +57,5 @@ Clear::CLI.add_generator("kemal",
   system("chmod +x #{opts[:directory]}/bin/appctl")
   system("cd #{opts[:directory]} && shards")
 
-  puts "Clear + Kemal template is now generated. Use `clear-cli server` to start the server!"
+  puts "Clear + Kemal template is now generated. `cd #{opts[:directory]} && clear-cli server` to play ! :-)"
 end

src/clear/cli/migration.cr

@@ -13,9 +13,10 @@ module Clear::CLI::Migration
         down XXX             # Turn down a specific migration.
         set XXX              # Go to a specific step. Down all migration after, up all migration before.
 
-      Helpers:
-        table2model                    # Output a model based on a pg table.
-        model                          # Generate a model.
+    Other related helpers:
+      table2model                        # Output a model based on a pg table.
+      generate model                     # Generate a model + migration
+      generate migration
     HELP
 
     exit

src/clear/cli/table_to_model.cr

@@ -1,5 +1,4 @@
 module Clear::CLI::TableToModel
   def self.run(opts)
-    pp opts
   end
 end

templates/migration.cr.ecr

@@ -0,0 +1,7 @@
+class <%= opts[:class_name] %>
+  include Clear::Migration
+
+  def change(dir)
+    # TODO: Fill migration
+  end
+end