Class: Triannon::AnnotationsController

Inherits:
ApplicationController show all
Includes:
RdfResponseFormats
Defined in:
app/controllers/triannon/annotations_controller.rb

Instance Method Summary collapse

Methods included from RdfResponseFormats

#context_url_from_accept, #context_url_from_link, #default_format_jsonld, #mime_type_from_accept

Instance Method Details

#create ⇒ Object

POST /annotations



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# File 'app/controllers/triannon/annotations_controller.rb', line 63

def create
  # FIXME: this is probably a bad way of allowing app form to be used as well as direct post requests
  # see https://github.com/sul-dlss/triannon/issues/90 -- prob just want to fix the form to do a POST
  #  note that need to check for empty? if HTTP Header Content-Type is json (but not jsonld).
  if params["annotation"] && !params["annotation"].empty?
    # it's from app html form
    params.require(:annotation).permit(:data)
    if params["annotation"]["data"]
      @annotation = Annotation.new({:data => params["annotation"]["data"]})
    end
  else
    # it's a direct post request
    content_type = request.headers["Content-Type"]
    @annotation = Annotation.new({:data => request.body.read, :expected_content_type => content_type})
  end

  if @annotation.save
    default_format_jsonld # NOTE: this must be here and not in before_filter or we get Missing template errors
    flash[:notice] = "Annotation #{@annotation.id} was successfully created."
    respond_to do |format|
      format.jsonld {
        context_url = context_url_from_link ? context_url_from_link : context_url_from_accept
        if context_url && context_url == OA::Graph::IIIF_CONTEXT_URL
          render :json => @annotation.jsonld_iiif, status: 201, content_type: "application/ld+json"
        else
          render :json => @annotation.jsonld_oa, status: 201, content_type: "application/ld+json"
        end
      }
      format.ttl {
        accept_return_type = mime_type_from_accept(["application/x-turtle", "text/turtle"])
        render :body => @annotation.graph.to_ttl, status: 201, content_type: accept_return_type if accept_return_type }
      format.rdfxml {
        accept_return_type = mime_type_from_accept(["application/rdf+xml", "text/rdf+xml", "text/rdf"])
        render :body => @annotation.graph.to_rdfxml, status: 201, content_type: accept_return_type if accept_return_type }
      format.json {
        accept_return_type = mime_type_from_accept(["application/json", "text/x-json", "application/jsonrequest"])
        context_url = context_url_from_link ? context_url_from_link : context_url_from_accept
        if context_url && context_url == OA::Graph::IIIF_CONTEXT_URL
          render :json => @annotation.jsonld_iiif, status: 201, content_type: accept_return_type if accept_return_type
        else
          render :json => @annotation.jsonld_oa, status: 201, content_type: accept_return_type if accept_return_type
        end
      }
      format.xml {
        accept_return_type = mime_type_from_accept(["application/xml", "text/xml", "application/x-xml"])
        render :body => @annotation.graph.to_rdfxml, status: 201, content_type: accept_return_type if accept_return_type }
      format.html { redirect_to @annotation }
    end
  else
    render :new, status: 400
  end
end

#destroy ⇒ Object

DELETE /annotations/1



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# File 'app/controllers/triannon/annotations_controller.rb', line 127

def destroy
  @annotation.destroy
  redirect_to annotations_url, status: 204, notice: 'Annotation was successfully destroyed.'
end

#index ⇒ Object

GET /annotations



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# File 'app/controllers/triannon/annotations_controller.rb', line 14

def index
  redirect_to "/search"
end

#new ⇒ Object

GET /annotations/new



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# File 'app/controllers/triannon/annotations_controller.rb', line 53

def new
  @annotation = Annotation.new
end

#show ⇒ Object

GET /annotations/1



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# File 'app/controllers/triannon/annotations_controller.rb', line 19

def show
  # TODO:  json.set! "@context", OA::Graph::OA_DATED_CONTEXT_URL - would this work?
  respond_to do |format|
    format.jsonld {
      context_url = context_url_from_accept ? context_url_from_accept : context_url_from_link
      if context_url && context_url == OA::Graph::IIIF_CONTEXT_URL
        render_jsonld_per_context("iiif", "application/ld+json")
      else
        render_jsonld_per_context(params[:jsonld_context], "application/ld+json")
      end
    }
    format.ttl {
      accept_return_type = mime_type_from_accept(["application/x-turtle", "text/turtle"])
      render :body => @annotation.graph.to_ttl, content_type: accept_return_type if accept_return_type }
    format.rdfxml {
      accept_return_type = mime_type_from_accept(["application/rdf+xml", "text/rdf+xml", "text/rdf"])
      render :body => @annotation.graph.to_rdfxml, content_type: accept_return_type if accept_return_type }
    format.json {
      accept_return_type = mime_type_from_accept(["application/json", "text/x-json", "application/jsonrequest"])
      context_url = context_url_from_link ? context_url_from_link : context_url_from_accept
      if context_url && context_url == OA::Graph::IIIF_CONTEXT_URL
        render_jsonld_per_context("iiif", accept_return_type)
      else
        render_jsonld_per_context(params[:jsonld_context], accept_return_type)
      end
    }
    format.xml {
      accept_return_type = mime_type_from_accept(["application/xml", "text/xml", "application/x-xml"])
      render :xml => @annotation.graph.to_rdfxml, content_type: accept_return_type if accept_return_type }
    format.html { render :show }
  end
end