Class: AngularInitializer

Inherits:
Object
  • Object
show all
Defined in:
lib/oa_angular_setup/initialize_angular.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ AngularInitializer

Returns a new instance of AngularInitializer.



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# File 'lib/oa_angular_setup/initialize_angular.rb', line 6

def initialize
  config = OaAngularSetup.configuration
  @app_name = config.app_name
  @factory_name = "#{@app_name}Services"
  @create_factories = config.create_factories
  @create_app_js = config.create_app_js
  @create_controllers = config.create_controllers
  @url = config.swagger_doc_url
  @destination = "#{Rails.root}#{config.destination}"
end

Instance Method Details

#add_angular ⇒ Object 



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# File 'lib/oa_angular_setup/initialize_angular.rb', line 17

def add_angular
  #add in swagger ui
  if OaAngularSetup.configuration.add_swaggger_ui
    if !File.exists?("#{Rails.root}/public/api/docs/")
      #get files and move into place
      Dir.mkdir("#{Rails.root}/public/api") unless File.exists?("#{Rails.root}/public/api")
      system "npm install swagger-ui" unless File.exists?("#{Rails.root}/node_modules/swagger-ui/")      
      system "cp -R #{Rails.root}/node_modules/swagger-ui/dist #{Rails.root}/public/api/docs" 

      #replace dummy url
      file_name = "#{Rails.root}/public/api/docs/index.html"
      text = File.read(file_name)
      new_contents = text.gsub('http://petstore.swagger.io/v2/swagger.json', @url)
      File.open(file_name, "w") {|file| file.puts new_contents }
    end
  end
end

#output_to_angular(outfile_or_string, method, path) ⇒ Object 



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# File 'lib/oa_angular_setup/initialize_angular.rb', line 113

def output_to_angular(outfile_or_string, method, path)
  string = ""
  # assuming only called for PUT and GET methods
  if method == 'GET'
    command = 'show'
  elsif method == 'PUT'
    command = 'update'
  else
    puts "problem. method not GET or PUT"
    return
  end
  if path.include?("id")
    ep_path = path.split('/')
    if ep_path[4].nil?
      string += "    #{command}: {method:'#{method}'}"
    else
      action = ep_path[4].split(".")[0]
      if method == 'GET'
        string += "    #{action}: {method:'#{method}', isArray:true, params:{action:'#{action}'}}"
      else
        string += "    #{action}: {method:'#{method}', params:{action:'#{action}'}}"
      end
    end
  else
    string += "    query: {method:'#{method}', isArray:true}"
  end
  if outfile_or_string.is_a?(File)
    outfile_or_string.write(string)
  else
    return string
  end
end

#run ⇒ Object 



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# File 'lib/oa_angular_setup/initialize_angular.rb', line 70

def run
  Dir.mkdir("#{@destination}") unless File.exists?("#{@destination}")
  add_angular
  mechanize = Mechanize.new
  page = mechanize.get(@url)
  body = JSON.parse(page.body)

  if @create_app_js
    app_js_file = File.open("#{@destination}#{@app_name}.js", 'w')
    if @create_factories
      app_js_file.write("var #{@app_name} = angular.module('#{@app_name}', ['ngRoute', '#{@factory_name}']); \n")
    else
      app_js_file.write("var #{@app_name} = angular.module('#{@app_name}', ['ngRoute']); \n")
    end
    app_js_file.write("\n ");
    app_js_file.write("#{@app_name}.config(['$routeProvider', function($routeProvider) { \n");
    app_js_file.write("  $routeProvider.\n")
  end

  body["apis"].each do |api|
    model = api["path"].split('.')[0]
    api_page = mechanize.get(@url + model)
    api_body = JSON.parse(api_page.body)

    write_factories(api_body["apis"], model, @factory_name) if @create_factories
    write_app_js(api_body["apis"], model, app_js_file) if @create_app_js 
    write_controllers(api_body["apis"], model, @app_name) if @create_controllers
  end

  if @create_app_js
    app_js_file.write("    otherwise({ \n")
    app_js_file.write("      redirectTo: '/' \n")
    app_js_file.write("    }); \n")
    app_js_file.write("}]); \n")
    if @create_factories
      app_js_file.write("\n")
      app_js_file.write("var #{@factory_name} = angular.module('#{@factory_name}', ['ngResource']); \n")
    end
    app_js_file.close
  end
  write_backups
end

#update ⇒ Object 



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# File 'lib/oa_angular_setup/initialize_angular.rb', line 35

def update
  mechanize = Mechanize.new
  page = mechanize.get(@url)
  body = JSON.parse(page.body)
  app_bodies = {}

  body["apis"].each do |api|
    model = api["path"].split('.')[0]
    api_page = mechanize.get(@url + model)
    api_body = JSON.parse(api_page.body)
    app_bodies[model] = api_body["apis"]

    update_factory(api_body["apis"], model, @factory_name) if @create_factories
    update_controllers(api_body["apis"], model, @app_name) if @create_controllers
  end
  update_app_js(app_bodies) if @create_app_js 

  write_backups
end

#update_app_js(apis) ⇒ Object 



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# File 'lib/oa_angular_setup/initialize_angular.rb', line 346

def update_app_js(apis)
  output, edited_routes = [],[]
  file_contents = File.read("#{@destination}#{@app_name}.js")
  routes = file_contents.scan(/when\(.*?}\)\./im)
  route_paths = file_contents.scan(/when\('(.*?)'/im).flatten

  if @create_app_js
    if @create_factories
      output.push("var #{@app_name} = angular.module('#{@app_name}', ['ngRoute', '#{@factory_name}']); \n")
    else
      output.push("var #{@app_name} = angular.module('#{@app_name}', ['ngRoute']); \n")
    end
    output.push("\n #{@app_name}.config(['$routeProvider', function($routeProvider) { \n  $routeProvider.\n");
  end

  routes.each_with_index do |route, index|
    output.push("    #{route} \n ")
  end

  apis.each do |model_name, model_api|
    model = model_name.delete('/')
    model_api.each do |endpoint|
      endpoint["operations"].each do |op|
        string , route_path = "",""
        case op["method"]
          when /GET/
            ep_path = endpoint["path"].split('/')
            if ep_path[4].nil?
              if endpoint["path"].include?("id")
                route_path = "/#{model}/:id"
                string += "    when('#{route_path}', { \n"
                string += "      template@url: '/angular/templates/#{model}/show.html', \n"
                string += "      controller:  '#{model.capitalize}ShowCtrl' \n"
              else
                ctrl = 'index'
                route_path = "/#{model}"
                string += "    when('#{route_path}', { \n"
                string += "      template@url: '/angular/templates/#{model}/index.html',\n"
                string += "      controller:  '#{model.capitalize}IndexCtrl' \n"
              end
              string += "    }). \n"
            end
          when /PUT/
            ep_path = endpoint["path"].split('/')
            if ep_path[4].nil?
              route_path = "/#{model}/:id/edit"
              string += "    when('#{route_path}', { \n"
              string += "      template@url: '/angular/templates/#{model}/edit.html', \n"
              string += "      controller:  '#{model.capitalize}EditCtrl' \n"
              string += "    }). \n"
            end
          when /POST/
            route_path = "/#{model}/new"
            string += "    when('#{route_path}', { \n"
            string += "      template@url: '/angular/templates/#{model}/new.html', \n"
            string += "      controller: '#{model.capitalize}NewCtrl' \n"
            string += "    }). \n"
        end
        output.push(string) unless route_paths.include?(route_path)
        
      end
    end
  end
  output.push("    otherwise({ \n")
  output.push("      redirectTo: '/' \n")
  output.push("    }); \n")
  output.push("}]); \n")
  if @create_factories
    output.push("\n")
    output.push("var #{@factory_name} = angular.module('#{@factory_name}', ['ngResource']); \n")
  end
  app_js_file = File.open("#{@destination}#{@app_name}.js", 'w')
  app_js_file.write(output.join)
  app_js_file.close
end

#update_controllers(apis, model_name, app_name) ⇒ Object 



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# File 'lib/oa_angular_setup/initialize_angular.rb', line 321

def update_controllers(apis, model_name, app_name)
  Dir.mkdir("#{@destination}controllers") unless File.exists?("#{@destination}controllers") 
  return write_controllers(apis, model_name, app_name) unless File.exists?("#{@destination}controllers/#{model_name}_controllers.js") 
  output, edited_controller_titles = [], []
  model = model_name.delete('/')
  file_contents = File.read("#{@destination}controllers/#{model}_controllers.js")
  controller_names = file_contents.scan(/controller\('(.*?)'/im).flatten
  controllers = file_contents.scan(/angular.module.*?}\]\);/im)

  controllers.each do |controller|
    output.push(controller+" \n \n")
  end

  apis.each do |endpoint|
    endpoint["operations"].each do |op|
      string,controller_title = write_controller(model, endpoint, op)       

      output.push(string) unless controller_names.include?(controller_title)
    end
  end
  outfile = File.open("#{@destination}controllers/#{model}_controllers.js", 'w')
  outfile.write(output.join)
  outfile.close
end

#update_factory(apis, model, name) ⇒ Object 



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# File 'lib/oa_angular_setup/initialize_angular.rb', line 226

def update_factory(apis, model, name)
  Dir.mkdir("#{@destination}factories") unless File.exists?("#{@destination}factories")
  return write_factories(apis, model, name) unless File.exists?("#{@destination}factories/#{model}_factory.js") 

  fh1 = name + ".factory('"
  fh2 = "', ['$resource', function($resource){\n"
  fname = "#{@destination}factories/" + model.gsub("/","") + "_factory.js" 
  # backup_contents = File.read("#{@destination}backups/factories/" + model.gsub("/","") + "_factory.js").split("\n")
  file_contents = File.read(fname)
  file_contents_lines = file_contents.split("\n")
  first_lines = file_contents_lines.shift(2)
  output_string = first_lines.join("\n")+"\n"
  file_contents_lines.pop(2) #drop last two closing lines so they arent added twice
  paths = file_contents.scan(/\n\s*(\w*?):/i).flatten

  output = []
  file_contents_lines.each_with_index do |line, index|
    output.push(line.chomp(","))
  end

  apis.each do |endpoint|
    endpoint["operations"].each do |op|
      string = write_factory(endpoint, op)
      next if output.include?(string)          
      next if(paths.include?(string.split(":")[0]))
      string = "    // #{op['summary']} \n"+string
      output.push(string)
    end
  end

  output_string += output.join(",\n")
  output_string += "\n  });\n"
  output_string += "}]);\n"

  outfile = File.open(fname, 'w')
  outfile.write(output_string)
  outfile.close
end

#write_app_js(apis, model_name, outfile) ⇒ Object 



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# File 'lib/oa_angular_setup/initialize_angular.rb', line 173

def write_app_js(apis, model_name, outfile)
  model = model_name.delete('/')
  apis.each do |endpoint|
    endpoint["operations"].each do |op|
      case op["method"]
        when /GET/
          ep_path = endpoint["path"].split('/')
          if ep_path[4].nil?
            if endpoint["path"].include?("id")
              outfile.write("    when('/#{model}/:id', { \n")
              outfile.write("      template@url: '/angular/templates/#{model}/show.html', \n")
              outfile.write("      controller:  '#{model.capitalize}ShowCtrl' \n")
            else
              ctrl = 'index'
              outfile.write("    when('/#{model}', { \n")
              outfile.write("      template@url: '/angular/templates/#{model}/index.html',\n")
              outfile.write("      controller:  '#{model.capitalize}IndexCtrl' \n")
            end
            outfile.write("    }). \n")
          end
        when /PUT/
          ep_path = endpoint["path"].split('/')
          if ep_path[4].nil?
            outfile.write("    when('/#{model}/:id/edit', { \n")
            outfile.write("      template@url: '/angular/templates/#{model}/edit.html', \n")
            outfile.write("      controller:  '#{model.capitalize}EditCtrl' \n")
            outfile.write("    }). \n")
          end
        when /POST/
          outfile.write("    when('/#{model}/new', { \n")
          outfile.write("      template@url: '/angular/templates/#{model}/new.html', \n")
          outfile.write("      controller: '#{model.capitalize}NewCtrl' \n")
          outfile.write("    }). \n")
      end
    end
  end
end

#write_backups ⇒ Object 



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# File 'lib/oa_angular_setup/initialize_angular.rb', line 55

def write_backups
  Dir.mkdir("#{@destination}backups/") unless File.exists?("#{@destination}backups/")
  if @create_factories
    Dir.mkdir("#{@destination}backups/factories/") unless File.exists?("#{@destination}backups/factories/")
    FileUtils.cp_r "#{@destination}factories/.", "#{@destination}backups/factories/"
  end
  if @create_factories
    Dir.mkdir("#{@destination}backups/controllers/") unless File.exists?("#{@destination}backups/controllers/")
    FileUtils.cp_r "#{@destination}controllers/.", "#{@destination}backups/controllers/"
  end
  if @create_app_js
    FileUtils.cp "#{@destination}#{@app_name}.js", "#{@destination}backups/#{@app_name}.js"
  end
end

#write_controller(model, endpoint, op) ⇒ Object 



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# File 'lib/oa_angular_setup/initialize_angular.rb', line 265

def write_controller(model, endpoint, op)
  string = ""
  controller_title = ""
  service = model.chomp('s').capitalize
  ep_path = endpoint["path"].split('/')
  case op["method"]
  when /GET/
    if ep_path[4].nil?
      if endpoint["path"].include?("id")
        controller_title = "#{model.capitalize}ShowCtrl"
        string += "angular.module('#{@app_name}').controller('#{controller_title}', ['$scope', '$routeParams', '#{service}', function ($scope, $routeParams, #{service}) { \n"
        string += "  $scope.id = $routeParams.id; \n"
        string += "}]); \n"
        string += " \n"
      else
        controller_title = "#{model.capitalize}IndexCtrl"
        string += "angular.module('#{@app_name}').controller('#{controller_title}', ['$scope', '#{service}', function ($scope, #{service}) { \n"
        string += "  $scope.#{model} = #{service}.query(); \n"
        string += "}]); \n"
        string += " \n"
      end
    end
  when /PUT/
    if ep_path[4].nil?
      controller_title = "#{model.capitalize}EditCtrl"
      string += "angular.module('#{@app_name}').controller('#{controller_title}', ['$scope', '$routeParams', '#{service}', function ($scope, $routeParams, #{service}) { \n"
      string += "  $scope.id = $routeParams.id; \n"
      string += "}]); \n"
      string += " \n"
    end
  when /POST/
    controller_title = "#{model.capitalize}NewCtrl"
    string += "angular.module('#{@app_name}').controller('#{controller_title}', ['$scope', '#{service}', function ($scope, #{service}) { \n"
    string += "}]); \n"
    string += " \n"
  end

  return string, controller_title
end

#write_controllers(apis, model_name, app_name) ⇒ Object 



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# File 'lib/oa_angular_setup/initialize_angular.rb', line 211

def write_controllers(apis, model_name, app_name)
  Dir.mkdir("#{@destination}controllers") unless File.exists?("#{@destination}controllers") 
  model = model_name.delete('/')
  output = []
  apis.each do |endpoint|
    endpoint["operations"].each do |op|
      string,controller_title = write_controller(model, endpoint, op)       
      output.push(string)
    end
  end
  outfile = File.open("#{@destination}controllers/#{model}_controllers.js", 'w')
  outfile.write(output.join)
  outfile.close
end

#write_factories(apis, model, name) ⇒ Object 



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# File 'lib/oa_angular_setup/initialize_angular.rb', line 146

def write_factories(apis, model, name)
  Dir.mkdir("#{@destination}factories") unless File.exists?("#{@destination}factories")

  fh1 = name + ".factory('"
  fh2 = "', ['$resource', function($resource){\n"
  output = []
  fname = "#{@destination}factories/" + model.gsub("/","") + "_factory.js" 
  output_string = fh1 + model.gsub("/","").chomp('s').capitalize + fh2
  output_string += "  return $resource('api/v1" + model + "/:id/:action', {}, { \n"
  
  apis.each do |endpoint|
    endpoint["operations"].each do |op|
      string = write_factory(endpoint, op)
      string = "    // #{op['summary']} \n"+string
      output.push(string)
    end
  end

  output_string += output.join(",\n")
  output_string += "\n  });\n"
  output_string += "}]);\n"

  outfile = File.open(fname, 'w')
  outfile.write(output_string)
  outfile.close
end

#write_factory(endpoint, op) ⇒ Object 



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# File 'lib/oa_angular_setup/initialize_angular.rb', line 305

def write_factory(endpoint, op)
  string = ""
  case op["method"]
  when /GET/
    string = output_to_angular(string, op["method"], endpoint["path"])
  when /PUT/
    string = output_to_angular(string, op["method"], endpoint["path"])
  when /POST/
    string = "    create: {method:'POST'}"
  when /DELETE/
    string = "    destroy: {method:'DELETE'}"
  end

  return string
end