Class: ImagesController

Inherits:
ApplicationController show all
Includes:
DataControllerConfiguration::ProjectDataControllerConfiguration
Defined in:
app/controllers/images_controller.rb

Instance Method Summary collapse

Methods included from DataControllerConfiguration::ProjectDataControllerConfiguration

#annotator_params

Methods included from RequestType

#json_request?

Methods included from LogRecent

#log_user_recent_route

Methods included from Cookies

#digest_cookie, #digested_cookie_exists?

Methods included from Whitelist

#whitelist_constantize

Methods included from ProjectsHelper

#invalid_object, #project_link, #project_matches, #project_tag, #projects_list, #projects_search_form

Methods included from Api::Intercept

#intercept_api

Methods included from TokenAuthentication

#intercept_project, #intercept_user, #intercept_user_or_project, #project_token_authenticate, #token_authenticate

Instance Method Details

#autocompleteObject


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# File 'app/controllers/images_controller.rb', line 85

def autocomplete
  @images = Queries::Image::Autocomplete.new(params[:term], project_id: sessions_current_project_id).autocomplete
end

#createObject

POST /images POST /images.json


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# File 'app/controllers/images_controller.rb', line 29

def create
  @image = Image.new(image_params)
  respond_to do |format|
    if @image.save
      format.html { redirect_to @image, notice: 'Image was successfully created.' }
      format.json { render :show, status: :created, location: @image }
    else
      format.html { render :new }
      format.json { render json: @image.errors, status: :unprocessable_entity }
    end
  end
end

#destroyObject

DELETE /images/1 DELETE /images/1.json


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# File 'app/controllers/images_controller.rb', line 58

def destroy
  if @image.destroy
    respond_to do |format|
      format.html { redirect_to images_url, notice: 'Image was successfully destroyed.' }
      format.json { head :no_content }
    end
  else
    respond_to do |format|
      format.html { redirect_to images_url, notice: @image.errors.full_messages.join('. ') }
      format.json { head :no_content, status: :im_used }
    end
  end
end

#downloadObject

GET /images/download


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# File 'app/controllers/images_controller.rb', line 90

def download
  send_data(Export::Download.generate_csv(Image.where(project_id: sessions_current_project_id)),
            type: 'text',
            filename: "images_#{DateTime.now}.csv")
end

#editObject

GET /images/1/edit


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# File 'app/controllers/images_controller.rb', line 24

def edit
end

#extractObject

GET /images/:id/extract/:x/:y/:height/:width


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# File 'app/controllers/images_controller.rb', line 97

def extract
  send_data Image.cropped_blob(params), type: 'image/jpg', disposition: 'inline'
end

#image_paramsObject (private)


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# File 'app/controllers/images_controller.rb', line 140

def image_params
  params.require(:image).permit(
    :image_file, :rotate,
    citations_attributes: [:id, :is_original, :_destroy, :source_id, :pages, :citation_object_id, :citation_object_type],
    sled_image_attributes: [:id, :_destroy, :metadata, :object_layout]
  )
end

#indexObject

GET /images GET /images.json


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# File 'app/controllers/images_controller.rb', line 8

def index
  @recent_objects = Image.recent_from_project_id(sessions_current_project_id).order(updated_at: :desc).limit(10)
  render '/shared/data/all/index'
end

#listObject


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# File 'app/controllers/images_controller.rb', line 72

def list
  @images = Image.with_project_id(sessions_current_project_id).order(:id).page(params[:page]) #.per(10) #.per(3)
end

#newObject

GET /images/new


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# File 'app/controllers/images_controller.rb', line 19

def new
  @image = Image.new
end

#ocrObject

GET /images/:id/ocr/:x/:y/:height/:width


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# File 'app/controllers/images_controller.rb', line 112

def ocr
  tempfile = Tempfile.new(['ocr', '.jpg'], "#{Rails.root}/public/images/tmp", encoding: 'utf-8')
  tempfile.write(Image.cropped_blob(params).force_encoding('utf-8'))
  tempfile.rewind

  render json: {text: RTesseract.new(tempfile.path).to_s&.strip}
end

#rotateObject

!! This is a kludge until we get active storage working PATCH /images/123/rotate


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# File 'app/controllers/images_controller.rb', line 122

def rotate
  begin
    @image.rotate = params.require(:image).require(:rotate)
    @image.image_file.reprocess!
    flash[:notice] = 'Image rotated.'
  rescue ActionController::ParameterMissing
    flash[:notice] ='Select a rotation option.'
  end
  render :show
end

#scaleObject

GET /images/:id/extract/:x/:y/:height/:width/:new_height/:new_width


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# File 'app/controllers/images_controller.rb', line 102

def scale
  send_data Image.resized_blob(params), type: 'image/jpg', disposition: 'inline'
end

#scale_to_boxObject

GET 'images/:id/scale_to_box/:x/:y/:width/:height/:box_width/:box_height'


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# File 'app/controllers/images_controller.rb', line 107

def scale_to_box
  send_data Image.scaled_to_box_blob(params), type: 'image/jpg', disposition: 'inline'
end

#searchObject

TODO: remove for /images.json


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# File 'app/controllers/images_controller.rb', line 77

def search
  if params[:id].blank?
    redirect_to images_path, notice: 'You must select an item from the list with a click or tab press before clicking show.'
  else
    redirect_to image_path(params[:id])
  end
end

#set_imageObject (private)


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# File 'app/controllers/images_controller.rb', line 135

def set_image
  @image = Image.with_project_id(sessions_current_project_id).find(params[:id])
  @recent_object = @image
end

#showObject

GET /images/1 GET /images/1.json


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# File 'app/controllers/images_controller.rb', line 15

def show
end

#updateObject

PATCH/PUT /images/1 PATCH/PUT /images/1.json


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# File 'app/controllers/images_controller.rb', line 44

def update
  respond_to do |format|
    if @image.update(image_params)
      format.html { redirect_to @image, notice: 'Image was successfully updated.' }
      format.json { render :show, status: :ok, location: @image }
    else
      format.html { render :edit }
      format.json { render json: @image.errors, status: :unprocessable_entity }
    end
  end
end