Class: Apidae::FileImport

Inherits:
ActiveRecord::Base
  • Object
show all
Defined in:
app/models/apidae/file_import.rb

Constant Summary collapse

STATUS_PENDING = 
'pending'
STATUS_COMPLETE = 
'complete'
STATUS_CANCELLED = 
'cancelled'
TOWNS_FILE = 
'communes.json'
INTERNAL_FILE = 
'criteres_internes.json'
REFERENCES_FILE = 
'elements_reference.json'
MODIFIED_DIR = 
'objets_modifies'
DELETED_FILE = 
'objets_supprimes.json'
SELECTIONS_FILE = 
'selections.json'

Class Method Summary collapse

Class Method Details

.add_or_update_objects(objects_json, result, locales, versions) ⇒ Object 



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# File 'app/models/apidae/file_import.rb', line 77

def self.add_or_update_objects(objects_json, result, locales, versions)
  objects_hashes = JSON.parse(objects_json, symbolize_names: true)
  if objects_hashes.is_a?(Array)
    objects_hashes.each do |object_data|
      begin
        existing = Obj.find_by_apidae_id(object_data[:id])
        if existing
          Obj.update_object(existing, object_data, locales, versions)
          result[:updated] += 1
        else
          Obj.add_object(object_data, locales, versions)
          result[:created] += 1
        end
      rescue Exception => e
        puts "Failed to import object #{object_data[:id]}"
        puts e.message
        puts e.backtrace.join("\n")
        raise e
      end
    end
  else
    puts "Unsupported file format - Exported objects should be grouped"
    raise Exception.new('Unsupported objects format - Exported objects should be grouped')
  end
end

.add_or_update_selections(project, selections_json, result) ⇒ Object 



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# File 'app/models/apidae/file_import.rb', line 170

def self.add_or_update_selections(project, selections_json, result)
  selections_hashes = JSON.parse(selections_json, symbolize_names: true)
  deleted_ids = Selection.where(apidae_project_id: project.id).collect {|sel| sel.apidae_id}.uniq - selections_hashes.collect {|sel| sel[:id]}
  apidae_selection_ids = Selection.where(apidae_id: deleted_ids).map {|s| s.id}
  SelectionObject.where(apidae_selection_id: apidae_selection_ids).delete_all
  Selection.where(id: apidae_selection_ids).delete_all
  selections_hashes.each do |selection_data|
    logger.debug "Updating selection #{selection_data[:id]}"
    Selection.add_or_update(selection_data, project.id)
  end
  result[:selections] = Selection.where(apidae_project_id: project.id)
                            .collect {|sel| {apidae_id: sel.apidae_id, reference: sel.reference, objects: sel.objects.count}}
end

.delete_objects(deleted_json, result) ⇒ Object 



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# File 'app/models/apidae/file_import.rb', line 114

def self.delete_objects(deleted_json, result)
  deleted_ids = JSON.parse(deleted_json)
  deleted_ids.each do |id|
    obj = Obj.find_by_apidae_id(id)
    if obj
      obj.destroy! if obj.selections.empty?
      result[:deleted] += 1
    else
      logger.info "skipping object deletion : #{id}"
    end
  end
end

.import(zip_file, project_id) ⇒ Object 



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# File 'app/models/apidae/file_import.rb', line 17

def self.import(zip_file, project_id)
  Zip::File.open(zip_file) do |zfile|
    result = {created: 0, updated: 0, deleted: 0, selections: []}
    project = Project.find_or_create_by(apidae_id: project_id)
    entries = zfile.entries.map {|e| e.name}
    if entries.include?(REFERENCES_FILE)
      Reference.import(zfile.read(REFERENCES_FILE))
    end
    if entries.include?(INTERNAL_FILE)
      Reference.import_internal(zfile.read(INTERNAL_FILE))
    end
    logger.info "Completed #{Reference.count} references update" if entries.include?(REFERENCES_FILE) || entries.include?(INTERNAL_FILE)
    if entries.include?(TOWNS_FILE)
      Town.import(zfile.read(TOWNS_FILE))
      logger.info "Completed #{Town.count} towns update"
    end
    ordered_files(zfile).each do |file|
      if file.file? && file.name.end_with?('.json')
        logger.info "Processing file : #{file.name}"
        if file.name.include?(MODIFIED_DIR)
          add_or_update_objects(zfile.read(file.name), result, project.locales, project.versions)
        end
        if file.name.include?(SELECTIONS_FILE)
          add_or_update_selections(project, zfile.read(file.name), result)
        end
        if file.name.include?(DELETED_FILE)
          delete_objects(zfile.read(file.name), result)
        end
      end
    end
    project.cleanup_selections
    create(result.except(:selections)
               .merge({remote_file: (zip_file.is_a?(File) ? zip_file.path : zip_file), status: STATUS_COMPLETE, apidae_id: project_id}))
    logger.info "Import results : #{result}"
    result
  end
end

.import_deletions(json_file, result) ⇒ Object 



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# File 'app/models/apidae/file_import.rb', line 103

def self.import_deletions(json_file, result)
  if File.exist?(json_file)
    deleted_json = File.read(json_file)
    delete_objects(deleted_json, result)
  end
end

.import_dir(project_id, dir) ⇒ Object 



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# File 'app/models/apidae/file_import.rb', line 55

def self.import_dir(project_id, dir)
  result = {created: 0, updated: 0, deleted: 0, selections: []}
  project = Project.find_or_create_by(apidae_id: project_id)
  import_updates(File.join(dir, MODIFIED_DIR), result, project.locales, project.versions)
  import_deletions(File.join(dir, DELETED_FILE), result)
  import_selections(project, File.join(dir, SELECTIONS_FILE), result)
  logger.info "Import results : #{result}"
  result
end

.import_selections(project, json_file, result) ⇒ Object

def self.load_pictures

Apidae::Object.all.each do |obj|
  if obj.apidae_attached_files.blank? && obj.pictures.any?
    obj.pictures.each do |pic|
      begin
        attached = Apidae::AttachedFile.new(apidae_object_id: id, name: pic[:name], picture: URI.parse(pic[:url]),
                                    description: pic[:description], credits: pic[:credits])
        attached.save
      rescue OpenURI::HTTPError => e
        logger.error "Could not retrieve attached picture for object #{title} - Error is #{e.message}"
      end
    end
  end
end

end



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# File 'app/models/apidae/file_import.rb', line 165

def self.import_selections(project, json_file, result)
  selections_json = File.read(json_file)
  add_or_update_selections(project, selections_json, result)
end

.import_updates(json_dir, result, locales, versions) ⇒ Object 



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# File 'app/models/apidae/file_import.rb', line 65

def self.import_updates(json_dir, result, locales, versions)
  if Dir.exist?(json_dir)
    Dir.foreach(json_dir) do |f|
      if f.end_with?('.json')
        json_file = File.join(json_dir, f)
        objects_json = File.read(json_file)
        add_or_update_objects(objects_json, result, locales, versions)
      end
    end
  end
end

.ordered_files(zfile) ⇒ Object 



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# File 'app/models/apidae/file_import.rb', line 110

def self.ordered_files(zfile)
  zfile.sort_by {|f| f.name.include?(MODIFIED_DIR) ? 0 : (f.name.include?(SELECTIONS_FILE) ? 1 : 2)}
end

.update_fields(json_dir) ⇒ Object 



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# File 'app/models/apidae/file_import.rb', line 127

def self.update_fields(json_dir)
  result = false
  if Dir.exist?(json_dir)
    Dir.foreach(json_dir) do |f|
      if f.end_with?('.json')
        json_file = File.join(json_dir, f)
        objects_json = File.read(json_file)
        objects_hashes = JSON.parse(objects_json, symbolize_names: true)
        objects_hashes.each do |object_data|
          obj = Obj.find_by_apidae_id(object_data[:id])
          if obj
            yield(obj, object_data)
            obj.save!
          end
        end
      end
      result = true
    end
    result
  end
end