Module: Mokio::Concerns::Controllers::Photos

Extended by:
ActiveSupport::Concern
Included in:
PhotosController
Defined in:
lib/mokio/concerns/controllers/photos.rb

Overview

Concern for PhotosController

  • before filters:

:edited_photo, only: [:get_thumb, :update_thumb, :remove_thumb, :crop_thumb, :rotate_thumb, :get_photo, :rotate_photo, :crop_photo]

Instance Method Summary collapse

Instance Method Details

#create ⇒ Object

Standard create action



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# File 'lib/mokio/concerns/controllers/photos.rb', line 25

def create
  @photo = photo_model.new(photo_params)

  respond_to do |format|
    if @photo.save
      flash[:notice] = t("photos.created", title: @photo.name)
      format.js { render :template => "mokio/photos/create"}
    else
      flash[:error] = t("photos.not_created", title: @photo.name)
      format.html { render nothing: true }
    end
  end
end

#crop_photo ⇒ Object

Cropping photo [POST] (ajax)



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# File 'lib/mokio/concerns/controllers/photos.rb', line 254

def crop_photo
  begin
    image_path = "#{Rails.root}/public#{@edited_photo.data_file.url}"
    img = MiniMagick::Image.open(edited_photo_path(:normal))

    width = Mokio.photo_thumb_width
    height = Mokio.photo_thumb_height

    img.crop("#{params[:w]}x#{params[:h]}+#{params[:x]}+#{params[:y]}")
    img.resize "#{width}x#{height}"
    img.write edited_photo_path(:thumb)

    flash[:notice] = t("photos.crop", name: @edited_photo.name)

    @edited_photo.touch
  #
  # when MiniMagick.open failed, continue action with only error message for user, this prevent redirect to 500 in this case
  #
  rescue Errno::ENOENT
    flash[:error] = t("photos.not_crop", name: @edited_photo.name)
    logger.error exception_msg(image_path)
  end
  respond_to do |format|
    format.js {render :template => "mokio/photos/crop_photo"}
  end
end

#crop_thumb ⇒ Object

Cropping thumb [POST] (ajax)



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# File 'lib/mokio/concerns/controllers/photos.rb', line 150

def crop_thumb
  begin
    image_path = thumb_path

    img = MiniMagick::Image.open(image_path)

    img.crop("#{params[:w]}x#{params[:h]}+#{params[:x]}+#{params[:y]}")
    img.write image_path

    if @edited_photo.thumb.recreate_versions!
      flash[:notice] = t("photos.crop", name: @edited_photo.name)
      @edited_photo.touch
    else
      flash[:error] = t("photos.not_crop", name: @edited_photo.name)
    end
  #
  # when MiniMagick.open failed, continue action with only error message for user, this prevent redirect to 500 in this case
  #
  rescue Errno::ENOENT
    flash[:error] = t("photos.not_crop", name: @edited_photo.name)
    logger.error exception_msg(image_path)
  end

  respond_to do |format|
    format.js {render :template => "mokio/photos/crop_thumb"}
  end
end

#destroy ⇒ Object

Standard destroy action



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# File 'lib/mokio/concerns/controllers/photos.rb', line 104

def destroy
  @id = params[:id]
  @photo = photo_model.friendly.find(@id)

  if @photo.destroy
    flash[:notice] = t("photos.deleted", title: @photo.name)
  else
    flash[:error] = t("photos.not_deleted", title: @photo.name)
  end

  respond_to do |format|
    format.js {render :template => "mokio/photos/destroy"}
  end
end

#get_photo ⇒ Object

Load photo to html [GET] (ajax)



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# File 'lib/mokio/concerns/controllers/photos.rb', line 243

def get_photo
  if stale?(:etag => @edited_photo, :last_modified => @edited_photo.updated_at, :public => true)
    respond_to do |format|
      format.js {render :template => "mokio/photos/get_photo"}
    end
  end
end

#get_thumb ⇒ Object

Load thumb to html [GET] (ajax)



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# File 'lib/mokio/concerns/controllers/photos.rb', line 139

def get_thumb
  if stale?(:etag => @edited_photo, :last_modified => @edited_photo.updated_at, :public => true)
    respond_to do |format|
      format.js {render :template => "mokio/photos/get_thumb"}
    end
  end
end

#photo_model ⇒ Object 



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# File 'lib/mokio/concerns/controllers/photos.rb', line 18

def photo_model
  Mokio::Photo
end

#remove_thumb ⇒ Object

Removing thumb [DELETE] (ajax)



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# File 'lib/mokio/concerns/controllers/photos.rb', line 225

def remove_thumb
  @edited_photo.remove_thumb = true

  if @edited_photo.save!
    flash[:notice] = t("photos.thumb_deleted", name: @edited_photo.name)
    @edited_photo.touch
  else
    flash[:error] = t("photos.thumb_not_deleted", name: @edited_photo.name)
  end

  respond_to do |format|
    format.js {render :template => "mokio/photos/remove_thumb"}
  end
end

#rotate_photo ⇒ Object

Rotating photo [GET] (ajax)



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# File 'lib/mokio/concerns/controllers/photos.rb', line 284

def rotate_photo
  begin
    image_path = "#{Rails.root}/public#{@edited_photo.data_file.url}"

    img = MiniMagick::Image.open(image_path)
    img.rotate "90"
    img.write image_path

    if @edited_photo.data_file.recreate_versions!
      flash[:notice] = t("photos.rotated", name: @edited_photo.name)
      @edited_photo.touch
    else
      flash[:error] = t("photos.not_rotated", name: @edited_photo.name)
    end
  #
  # when MiniMagick.open failed, continue action with only error message for user, this prevent redirect to 500 in this case
  #
  rescue Errno::ENOENT
    flash[:error] = t("photos.not_rotated", name: @edited_photo.name)
    logger.error exception_msg(image_path)
  end

  respond_to do |format|
    format.js {render :template => "mokio/photos/rotate_photo"}
  end
end

#rotate_thumb ⇒ Object

Rotating thumb [GET] (ajax)



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# File 'lib/mokio/concerns/controllers/photos.rb', line 181

def rotate_thumb
  begin
    image_path = thumb_path

    img = MiniMagick::Image.open(image_path)
    img.rotate "90"
    img.write image_path

    if @edited_photo.thumb.recreate_versions!
      flash[:notice] = t("photos.rotated_thumb", name: @edited_photo.name)
      @edited_photo.touch
    end
  #
  # when MiniMagick.open failed, continue action with only error message for user, this prevent redirect to 500 in this case
  #
  rescue Errno::ENOENT
    flash[:error] = t("photos.not_rotated_thumb", name: @edited_photo.name)
    logger.error exception_msg(image_path)
  end

  respond_to do |format|
    format.js {render :template => "mokio/photos/rotate_thumb"}
  end
end

#update ⇒ Object

Standard update action



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# File 'lib/mokio/concerns/controllers/photos.rb', line 122

def update
  @photo = photo_model.friendly.find(params[:id])

  if @photo.update(photo_params)
    flash[:notice] = t("photos.updated", title: @photo.name)
  else
    flash[:error] = t("photos.not_updated", title: @photo.name)
  end

  respond_to do |format|
    format.html { render nothing: true }
  end
end

#update_thumb ⇒ Object

Updating thumb params [PATCH] (ajax)



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# File 'lib/mokio/concerns/controllers/photos.rb', line 209

def update_thumb
  if @edited_photo.update(photo_params)
    flash[:notice] = t("photos.thumb_updated")
    @edited_photo.touch
  else
    flash[:error] = t("photos.thumb_not_updated")
  end

  respond_to do |format|
    format.js {render :template => "mokio/photos/update_thumb"}
  end
end

#upload_external_links ⇒ Object

Uploads photos from external links (ajax). Using ‘faraday’ gem



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# File 'lib/mokio/concerns/controllers/photos.rb', line 43

def upload_external_links
  urls    = params[:photo][:remote_data_file_url].split("\n")
  error   = t("photos.photos_from_external_links_error")
  notice  = ""
  @photos = []

  #
  # split with "\n" can create "empty" string with '\r', when parsing textarea parameter
  # we don't want to have them in loop
  #
  urls.reject! {|u| u == "\r"}

  if urls
    urls.each do |url|
      url = url.gsub(/,/, '')

      begin
        uri = URI.parse(url)
        raise URI::InvalidURIError unless uri.scheme == "http" || uri.scheme == "https"

        #
        # Carrierwave use Kernel.open to find file in url which is very slow when url is wrong
        # Check first if url status will be 200 and then try upload this file
        #
        if Faraday.head(url).status == 200
          photo = create_external_photo url

          if photo.save # !!!
            @photos << photo
            notice += "#{t("photos.created", title: photo.name)}\n"
          else
            raise "[Photo Save] Photo not saved"
          end
        else
          raise "[Faraday Gem Status] Faraday head status != 200"
        end

      #
      # TODO: lets do it smarter way
      #
      rescue Exception => e
        error += "\n#{url}"
        logger.error e.message # becaouse we catach all exceptions we have to at least log them
      end
    end
  end

  #
  # we can have both error and notice messages so only those cases
  #
  flash[:error]  = error  unless error == t("photos.photos_from_external_links_error")
  flash[:notice] = notice unless notice.blank?

  respond_to do |format|
    format.js
  end
end