Class: CrailsEditGenerator

Inherits:
GeneratorBase show all
Defined in:
lib/metarecord/generators/crails/edit_generator.rb

Direct Known Subclasses

CometEditGenerator

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from GeneratorBase

#_append, _use_by_files, _use_by_models, #get_classname, #get_pluralized_name, #get_singular_name, #get_type, #get_value, #id_type, #indent, is_file_based?, #make_block, #null_id, #order_by, prepare, #ptr_type, #should_generate_for, #should_generate_from_manifest, #should_skip_on_client?, sourcefile_to_destfile, #unindent, use, #visibility

Class Method Details

.extension ⇒ Object 



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# File 'lib/metarecord/generators/crails/edit_generator.rb', line 349

def extension ; ".cpp" ; end

.generate_includes ⇒ Object 



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# File 'lib/metarecord/generators/crails/edit_generator.rb', line 351

def generate_includes
  source  = "#include <crails/odb/helpers.hpp>\n"
  source += "#include <crails/odb/any.hpp>\n"
  source += "#include <#{GeneratorBase.odb_connection[:include]}>\n"
  source += "#include \"lib/odb/application-odb.hxx\"\n"
end

.make_file(filename, data) ⇒ Object 



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# File 'lib/metarecord/generators/crails/edit_generator.rb', line 358

def make_file filename, data
  base = "lib/" + filename[0...-3]
  include = base + ".hpp"
  data[:bodies].each do |body|
    body.gsub! "${view-placeholder}", base.split("/")[0...-2].join("/")
  end
  source  = "#include \"#{include}\"\n"
  source += generate_includes
  source += (collect_includes_for filename).join "\n"
  source += "\n\n" + (data[:bodies].join "\n")
end

Instance Method Details

#_id_based_has_many(type, name, options) ⇒ Object 



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# File 'lib/metarecord/generators/crails/edit_generator.rb', line 280

def _id_based_has_many type, name, options
  tptr = ptr_type type
  singular_name = get_singular_name name

  _append "bool #{@klassname}::update_#{name}(Data ids)"
  _append "{"
  @indent += 1
  _append "return update_id_list<#{type}>(this->#{singular_name}_ids, ids);"
  @indent -= 1
  _append "}\n"

  _append "void #{@klassname}::add_#{singular_name}(#{tptr} v)"
  _append "{"
  @indent += 1
  _append "remove_#{singular_name}(*v);"
  _append "#{singular_name}_ids.push_back(v->get_id());"
  @indent -= 1
  _append "}\n"

  _append "void #{@klassname}::remove_#{singular_name}(const #{type}& v)"
  _append "{"
  @indent += 1
  _append "auto it = remove_if(#{singular_name}_ids.begin(), #{singular_name}_ids.end(), [v](#{id_type} id)"
  _append "{"
  @indent += 1
  _append "return id == v.get_id();"
  @indent -= 1
  _append "});"
  _append "if (it != #{singular_name}_ids.end())"
  @indent += 1
  _append "#{singular_name}_ids.erase(it);"
  @indent -= 2
  _append "}\n"

  _append "const std::list<#{tptr} >& #{@klassname}::get_#{name}()"
  _append "{"
  @indent += 1
  _append "if (!#{name}_fetched)"
  @indent += 1
  _append "fetch_#{name}();"
  @indent -= 1
  _append "return #{name};"
  @indent -= 1
  _append "}\n"

  has_many_fetch type, name, options
end

#_join_based_has_many(type, name, options) ⇒ Object 



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# File 'lib/metarecord/generators/crails/edit_generator.rb', line 241

def _join_based_has_many type, name, options
  tptr = ptr_type type
  list_type = "std::list<#{tptr} >"
  singular_name = get_singular_name name
  _append "std::vector<#{id_type}> #{@klassname}::get_#{singular_name}_ids() const"
  _append "{"
  @indent += 1
  _append "return collect_ids_from(get_#{name}());"
  @indent -= 1
  _append "}\n"

  _append "bool #{@klassname}::update_#{name}(Data ids)"
  _append "{"
  @indent += 1
  _append "return update_id_list<#{type}>(#{name}, ids);"
  @indent -= 1
  _append "}\n"

  _append "void #{@klassname}::add_#{singular_name}(#{tptr} resource)"
  _append "{"
  @indent += 1
  _append "remove_#{singular_name}(*resource);"
  _append "#{name}.push_back(resource);"
  @indent -= 1
  _append "}\n"

  _append "void #{@klassname}::remove_#{singular_name}(const #{type}& resource)"
  _append "{"
  @indent += 1
  _append "#{name}.remove_if([&resource](#{tptr} comp)"
  _append "{"
  @indent += 1
  _append "return comp->get_id() == resource.get_id();"
  @indent -= 1
  _append "});"
  @indent -= 1
  _append "}\n"
end

#generate_edit_method(object) ⇒ Object 



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# File 'lib/metarecord/generators/crails/edit_generator.rb', line 28

def generate_edit_method object
  _append "void #{@klassname}::edit(Data data)"
  _append "{"
  @indent += 1
  self.instance_eval &object[:block]
  @indent -= 1
  _append "}\n"
end

#generate_for(object) ⇒ Object 



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# File 'lib/metarecord/generators/crails/edit_generator.rb', line 11

def generate_for object
  @modelname = object[:name].underscore
  @klassname = get_classname(object)
  reset
  generate_edit_method object
  generate_json_methods object
  generate_parameter_validator object
  generate_relations object
  @src
end

#generate_json_methods(object) ⇒ Object 



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# File 'lib/metarecord/generators/crails/edit_generator.rb', line 37

def generate_json_methods object
  @rendering_to_json = true
  _append "void #{@klassname}::merge_data(Data data) const"
  _append "{"
  @indent += 1
  self.instance_eval &object[:block]
  @indent -= 1
  _append "}\n"
  _append "std::string #{@klassname}::to_json() const"
  _append "{"
  @indent += 1
  _append "DataTree data;\n"
  _append "merge_data(data);\n"
  _append "return data.to_json();"
  @indent -= 1
  _append "}\n"
  @rendering_to_json = false
end

#generate_parameter_validator(object) ⇒ Object 



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# File 'lib/metarecord/generators/crails/edit_generator.rb', line 56

def generate_parameter_validator object
  _append "std::vector<std::string> #{@klassname}::find_missing_parameters(Data data) const"
  _append "{"
  @indent += 1
  if @required_params.size > 0
    _append "return data.find_missing_keys({#{@required_params.join ','}});"
  else
    _append "return {};"
  end
  @indent -= 1
  _append "}"

  _append "bool #{@klassname}::is_valid()"
  _append "{"
  @indent += 1
  _append "errors.clear();"
  @rendering_validations = true
  self.instance_eval &object[:block]
  @rendering_validations = false
  _append "return errors.as_data().get_keys().size() == 0;"
  @indent -= 1
  _append "}"
end

#generate_relations(object) ⇒ Object 



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# File 'lib/metarecord/generators/crails/edit_generator.rb', line 22

def generate_relations object
  @rendering_has_many = true
  self.instance_eval &object[:block]
  @rendering_has_many = false
end

#has_many(type, name, options = {}) ⇒ Object 



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# File 'lib/metarecord/generators/crails/edit_generator.rb', line 211

def has_many type, name, options = {}
  type = get_type type
  if @rendering_has_many
    if options[:joined] != false
      _join_based_has_many type, name, options
    else
      _id_based_has_many type, name, options
    end
    _append "void #{@klassname}::collect_#{name}(std::map<#{id_type}, #{ptr_type type}>& results)"
    _append "{"
    @indent += 1
    _append "for (auto model : get_#{name}())"
    _append "{"
    @indent += 1
    _append "if (results.find(model->get_id()) == results.end())"
    _append "  results[model->get_id()] = model;"
    @indent -= 1
    _append "}"
    @indent -= 1
    _append "}"
  elsif @rendering_validations
  elsif @rendering_to_json
    _append "data[\"#{get_singular_name name}_ids\"].from_vector<#{id_type}>(get_#{get_singular_name name}_ids());"
  elsif options[:read_only] != true
    data = "data[\"#{get_singular_name name}_ids\"]"
    _append "if (#{data}.exists())"
    _append "  update_#{name}(#{data});"
  end
end

#has_many_fetch(type, name, options) ⇒ Object 



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# File 'lib/metarecord/generators/crails/edit_generator.rb', line 328

def has_many_fetch type, name, options
  singular_name = get_singular_name name

  _append "void #{@klassname}::fetch_#{name}()"
  _append "{"
  @indent += 1
  _append "typedef odb::pgsql::query<#{type}> query;"
  _append "#{GeneratorBase.odb_connection[:object]} database;"
  _append "odb::result<#{type}> results;"
  _append "#{name}.clear();"
  _append "database.find<#{type}>(results,"
  _append "  query::id + \"=\" + Crails::Odb::any(#{singular_name}_ids, \"int\")"
  _append ");"
  _append "for (auto model : results)"
  _append "  #{name}.push_back(std::make_shared<#{type}>(model));"
  _append "#{name}_fetched = true;"
  @indent -= 1
  _append "}\n"
end

#has_one(type, name, options = {}) ⇒ Object 



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# File 'lib/metarecord/generators/crails/edit_generator.rb', line 172

def has_one type, name, options = {}
  type = get_type type
  tptr = ptr_type type
  if @rendering_has_many
    if options[:joined] == false
      has_one_getter type, name, options
      has_one_setter type, name, options
    else
      _append "#{id_type} #{@klassname}::get_#{name}_id() const"
      _append "{"
      _append "  return #{name} ? #{name}->get_id() : #{null_id};"
      _append "}\n"
    end
  elsif @rendering_validations
    if not options[:validate].nil?
      if options[:joined] == false
        validation "#{id_type}", "#{name}_id", options[:validate]
      else
        validation tptr, name, options[:validate]
      end
    end
  elsif @rendering_to_json
    if options[:joined] == false
      _append "data[\"#{name}_id\"] = get_#{name}_id();"
    else
      _append "if (#{name} != nullptr)"
      _append "  data[\"#{name}_id\"] = get_#{name}_id();"
    end
  elsif options[:read_only] != true
    data_id = "data[\"#{name}_id\"]"
    _append "if (#{data_id}.exists())"
    if options[:joined] != false
      joined_has_one_edit type, name, options
    else
      _append "set_#{name}_id(data[\"#{name}_id\"]);"
    end
  end
end

#has_one_getter(type, name, options) ⇒ Object 



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# File 'lib/metarecord/generators/crails/edit_generator.rb', line 135

def has_one_getter type, name, options
  type = get_type type
  tptr = ptr_type type
  _append "#{tptr} #{@klassname}::get_#{name}() const"
  _append "{"
  _append "  #{GeneratorBase.odb_connection[:object]} database;"
  _append "  #{tptr} result;\n"
  _append "  database.find_one(result, #{name}_id);"
  _append "  return result;"
  _append "}\n"
end

#has_one_setter(type, name, options) ⇒ Object 



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# File 'lib/metarecord/generators/crails/edit_generator.rb', line 147

def has_one_setter type, name, options
  type = get_type type
  tptr = ptr_type type
  _append "void #{@klassname}::set_#{name}(#{tptr} v)"
  _append "{"
  _append "  #{name}_id = v != nullptr ? v->get_id() : #{null_id};"
  _append "}\n"
end

#joined_has_one_edit(type, name, options) ⇒ Object 



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# File 'lib/metarecord/generators/crails/edit_generator.rb', line 156

def joined_has_one_edit type, name, options
  tptr = ptr_type type
  data_id = "data[\"#{name}_id\"]"
  _append "{"
  _append "  if (#{data_id} == #{null_id})"
  _append "    set_#{name}(nullptr);"
  _append "  else if (!get_#{name}() || #{data_id} != get_#{name}()->get_id())"
  _append "  {"
  _append "    #{GeneratorBase.odb_connection[:object]} database;"
  _append "    #{tptr} linked_resource;"
  _append "    database.find_one(linked_resource, data[\"#{name}_id\"].as<#{id_type}>());"
  _append "    set_#{name}(linked_resource);"
  _append "  }"
  _append "}"
end

#property(type, name, options = {}) ⇒ Object 



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# File 'lib/metarecord/generators/crails/edit_generator.rb', line 92

def property type, name, options = {}
  if @rendering_validations && !options[:validate].nil?
    validation type, name, options[:validate]
  elsif @rendering_to_json
    case type
    when "DataTree"     then _append "data[\"#{name}\"].merge(#{name});"
    when "LocaleString" then _append "data[\"#{name}\"] = #{name}.to_string();"
    else                     _append "data[\"#{name}\"] = #{name};"
    end
  elsif options[:read_only] != true && rendering_edit?
    setter = "set_#{name}(data[\"#{name}\"]);"
    setter = "set_#{name}(data[\"#{name}\"].as<int>());" if not (type =~ /^(unsigned)?\s*char$/).nil?
    if options[:required] == true
      @required_params.push  "\"#{name}\""
	_append setter
    else
      _append "if (data[\"#{name}\"].exists())"
      @indent += 1
      _append setter
      @indent -= 1
    end
  end
end

#rendering_edit? ⇒ Boolean

Returns:



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# File 'lib/metarecord/generators/crails/edit_generator.rb', line 88

def rendering_edit?
  not ([@rendering_has_many, @rendering_validations, @rendering_to_json].include? true)
end

#reset ⇒ Object 



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# File 'lib/metarecord/generators/crails/edit_generator.rb', line 6

def reset
  super
  @required_params = []
end

#resource_name(name) ⇒ Object 



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# File 'lib/metarecord/generators/crails/edit_generator.rb', line 80

def resource_name name
  if @rendering_has_many
    _append "const std::string #{@klassname}::scope = #{name.to_s.inspect};"
    _append "const std::string #{@klassname}::plural_scope = #{(get_pluralized_name name.to_s).inspect};"
    _append "const std::string #{@klassname}::view = \"${view-placeholder}/data/#{@modelname}\";"
  end
end

#validation(type, name, data) ⇒ Object 



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# File 'lib/metarecord/generators/crails/edit_generator.rb', line 116

def validation type, name, data
  if !data[:min].nil?
    _append validate_number_min name, data[:min]
  end
  if !data[:max].nil?
    _append validate_number_max name, data[:max]
  end
  if data[:required] == true
    _append validate_required type, name
  end
  if data[:self_reference] == true
    _append validate_self_reference type, name
  end
  if data[:uniqueness] == true
    puts "/!\\ WARNING: uniqueness validations not available for crails generators"
    #_append validate_uniqueness type, name
  end
end