Class: ImagesController

Inherits:
ApplicationController show all
Defined in:
app/controllers/images_controller.rb,
app/controllers/images_controller.rb

Overview

rubocop:disable ClassLength

Instance Attribute Summary

Attributes inherited from ApplicationController

#current_user, #current_user Used for unit testing, this is normally managed by Devise

Instance Method Summary collapse

Methods inherited from ApplicationController

#clear_search_index

Instance Method Details

#autocomplete_tags ⇒ Object 



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# File 'app/controllers/images_controller.rb', line 213

def autocomplete_tags
  @tags = ActsAsTaggableOn::Tag.
    where("name LIKE ?", "#{params[:q]}%").
    order(:name)
  respond_to do |format|
    format.json { render json: @tags.map{|t| {id: t.name, name: t.name}}}
  end
end

#create ⇒ Object 



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# File 'app/controllers/images_controller.rb', line 171

def create
  @image = Image.new(image_params)
  if @image.save
    if request.format.html?
      redirect_to @image, notice: 'Image was successfully created.'
    else
      render :json => @image.to_json
    end
  else
    if request.format.html?
      render :new
    else
      render :json => { :errors => @image.errors.full_messages }
    end
  end
end

#destroy ⇒ Object 



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# File 'app/controllers/images_controller.rb', line 208

def destroy
  @image.destroy
  redirect_to images_url, notice: 'Image was successfully destroyed.'
end

#edit ⇒ Object

GET /images/1/edit



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# File 'app/controllers/images_controller.rb', line 165

def edit
end

#export ⇒ Object 



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# File 'app/controllers/images_controller.rb', line 222

def export 
  send_data Image.all.to_csv
end

#import ⇒ Object 



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# File 'app/controllers/images_controller.rb', line 226

def import
  begin
    Image.import(params[:file])
    redirect_to root_path, {notice: "Images imported."}
  rescue => e
    logger.error e.message
    redirect_to root_path, {alert: "Images failed to import. " + e.message}
  end
end

#index ⇒ Object 



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# File 'app/controllers/images_controller.rb', line 48

def index
  #the status_ids param is used by JSON endpoint only
  @status_ids = [2]
  @status_ids = params[:status_ids]  if params[:status_ids]
  if params[:canonical_id].present? 
    #for ajax
    @image = Image.find_by(canonical_id: params[:canonical_id])
  else
    #ajax params to ransack params
    if params["updated_at"].present? or params["website_id"].present?
      params["q"] = {} 
      params["q"]["s"] = "updated_at desc"
      params["q"]["website_id_eq"] = params["website_id"].to_i if params["website_id"].present?
      params["q"]["updated_at_gteq"] = Time.parse(params["updated_at"])  if params["updated_at"].present?
    end
    #ajax default sort
    @search_cache_key = params["q"]

    #clean up of html based search queries
    if search_params
      search_params["title_cont_all"] = search_params["title_cont_all"].split(" ") if search_params["title_cont_all"].present?
      search_params["descriptions_text_cont_all"] = search_params["descriptions_text_cont_all"].split(" ") if search_params["descriptions_text_cont_all"].present?
      search_params["tags_name_cont_all"] = search_params["tags_name_cont_all"].split(" ")  if search_params["tags_name_cont_all"].present?
    end

    @q = Image.ransack(search_params)

    #tag filtering does not cooperate with ransack but can paginate
    if params[:tag].present? 
      @images = Image.tagged_with(params[:tag]).page(params[:page]) 
    else
      @images = @q.result(distinct: true).page(params[:page]) 
    end

    #tagcloud
    if request.format.html?
      @tags = Rails.cache.fetch('tags', expires_in: 15.minutes) do
        Image.tag_counts_on(:tags)
      end
    end
  end
end

#new ⇒ Object

GET /images/new



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# File 'app/controllers/images_controller.rb', line 160

def new
  @image = Image.new
end

#show ⇒ Object 



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# File 'app/controllers/images_controller.rb', line 150

def show
  @status_ids = [2]
  @status_ids = params[:status_ids]  if params[:status_ids]
  if request.format.html?
    @previous_image = Image.where("id < ?", @image.id).first
    @next_image = Image.where("id > ?", @image.id).first
  end
end

#titles ⇒ Object

returns hash of canonical_ids to titles from MCA NOTE deprecated



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# File 'app/controllers/images_controller.rb', line 238

def titles
  canonical_ids = params["canonical_ids"]

  #TODO try to read each image in cache and if not available, then bulk grab
  ids_titles = Rails.cache.fetch(canonical_ids, expires_in: 1.minute) do
    require 'multi_json'
    require 'open-uri'

    ids_titles = {}

    #prep url
    url = "https://mcachicago.org/api/v1/attachment_images/?"
    canonical_ids.each do |i|
      url += "ids[]=" + i + "&"
    end

    #request
    Rails.logger.info "grabbing images json at #{url}"
    begin
      content = open(url, { "Content-Type" => "application/json", ssl_verify_mode: OpenSSL::SSL::VERIFY_NONE, read_timeout: 10}).read
      #parse
      begin
        images_received = JSON.parse(content)

        #match ids, add titles to image cache, and set titles
        canonical_ids.each do |id|
          i = images_received.find{|i| i["id"].to_s == id.to_s}
          #puts i
          if i
            title = Rails.cache.fetch([id, 'title'].hash, expires_in: 1.minute) do
              i["title"]
            end
            ids_titles[id] = title
          end
        end

      rescue Exception => e
        Rails.logger.error "JSON parsing exception"
        Rails.logger.error e
        length = 0
      end

    rescue OpenURI::HTTPError => error
      response = error.io
      Rails.logger.error response.string
      length = 0
    end
    ids_titles
  end

  render :json => ids_titles.to_json
end

#toggle ⇒ Object 



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# File 'app/controllers/images_controller.rb', line 291

def toggle
  @image.toggle!(params[:column].to_sym)
  render nothing: true
end

#update ⇒ Object 



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# File 'app/controllers/images_controller.rb', line 190

def update
  if @image.update(image_params)
    if request.format.html?
      redirect_to @image, notice: 'Image was successfully updated.'
    else
      render @image
    end
  else
    if request.format.html?
      render :edit
    else
      render :json => { :errors => @image.errors.full_messages }
    end
  end
end