I upgraded from Rails 4.1 to 4.2. I get the following error now:
Sprockets::Rails::Helper::AbsoluteAssetPathError at /
Asset names passed to helpers should not include the "/assets/" prefix. Instead of "/assets/spinner.gif", use "spinner.gif"
The error message is clear. However, I don't know what it's talking about. It highlights this line of code:
<div class="loading">
<%= image_tag asset_path('spinner.gif') %>
</div>
I do not use the literal string '/assets/' in that line of code. So what is this error referring to?
I was able to resolve that specific error by removing the call to asset_path and just using image_tag 'spinner.gif'; however, I still get the error right here (I am using Paperclip gem):
<%= image_tag current_user.avatar.url(:thumb) %>
caused by this:
ActionController::Base.helpers.asset_path('missing-user.png')
Again, it is complaining about asset_path.
UPDATE:
Error only occurs when I pass asset_path to image_tag method:
ActionController::Base.helpers.asset_path('missing-user.png')
=> "/assets/missing-user.png"
helper.image_tag(ActionController::Base.helpers.asset_path('missing-user.png'))
Sprockets::Rails::Helper::AbsoluteAssetPathError: Asset names passed to helpers should not include the "/assets/" prefix. Instead of "/assets/missing-user.png", use "missing-user.png"
image_tag will pass the source option to asset_path on its own:
image_tag("icon")
# => <img alt="Icon" src="/assets/icon" />
image_tag("icon.png")
# => <img alt="Icon" src="/assets/icon.png" />
image_tag("/icons/icon.gif", height: '32', width: '32')
# => <img alt="Icon" height="32" src="/icons/icon.gif" width="32" />
So when you call image_tag asset_path('spinner.gif') you're actually doing image_tag( '/assets/spinner.gif' ) which is why you get the sprockets warning.
I resolved the issue but I still don't understand the WHY factor. This only happens when I upgraded from Rails 4.1 to 4.2. Check this out:
ActionController::Base.helpers.asset_path('missing-user.png')
=> "/assets/missing-user.png"
helper.image_tag "/assets/missing-user.png"
Sprockets::Rails::Helper::AbsoluteAssetPathError: Asset names passed to helpers should not include the "/assets/" prefix. Instead of "/assets/missing-user.png", use "missing-user.png"
helper.image_tag "missing-user.png"
=> "<img src=\"/assets/missing-user.png\" alt=\"Missing user\" />"
Based on the above, image_tag does not want you to pass it the literal path string 'assets'. Consequently, in my Paperclip gem helper, I had to od this:
has_attached_file :avatar,
styles: { normal: "128x128>", thumb: "40x40>" },
default_style: :thumb,
default_url: ->(attachment) { 'missing-user.png' }
In other words, I had to remove this:
ActionController::Base.helpers.image_url('missing-user.png')
since image_url returns the string '/assets/missing-user.png'.
I made a mistake before migrating a plugin, and have written
flash[:notice] = :label_presta_added
instead of
flash[:notice] = l(:label_presta_added)
I corrected my mistake but it seems that my Redmine Plugin has trashed my Redmine. Even though I delete my plugin a migrate once again, I still get this error:
Started GET "/" for 127.0.0.1 at 2016-06-01 22:21:37 +0200
Processing by WelcomeController#index as HTML
Current user: admin (id=1)
Rendered welcome/index.html.erb within layouts/base (28.1ms)
Completed 500 Internal Server Error in 366ms (ActiveRecord: 116.0ms)
ActionView::Template::Error (undefined method `html_safe' for :label_presta_added:Symbol
Did you mean? html_safe?):
97: <div id="sidebar">
98: <%= yield :sidebar %>
99: <%= view_layouts_base_sidebar_hook_response %>
100: </div>
101:
102: <div id="content">
103: <%= render_flash_messages %>
app/helpers/application_helper.rb:312:in `block in render_flash_messages'
app/helpers/application_helper.rb:311:in `render_flash_messages'
app/views/layouts/base.html.erb:100:in `_app_views_layouts_base_html_erb__4104276684161420982_39604440'
lib/redmine/sudo_mode.rb:63:in `sudo_mode'
Can somebody give me a hand here?
Thanks in advance!
This is stored in your session, so usually changing the session secret key will invalidate all sessions and discard any old session data.
You can also try and rescue to clear it out as a one-time deal.
Have you restarted the server? Or you can use flash[:notice] = nil to remove it.
It looks like it throws a html_safe error. Can you see if the method which is rendering the flash is using html_safe? It looks like its coming from there.
Not sure exactly, may be shooting in the dark.
But read these and try may be:
actionview::template::error(undefined method 'html_safe' for nil:NilClass)
http://www.redmine.org/issues/8477
I am getting a weird syntax error from rails that I don't understand.
GETTING THE FOLLOWING ERROR:
Showing /home/action/workspace/clinio/app/views/tasks/_task.html.erb where line #3 raised:
/home/action/workspace/clinio/app/views/tasks/_task.html.erb:3: syntax error, unexpected ';', expecting ':'
';#output_buffer.append=( image...
^
Extracted source (around line #3):
<% #uncompletedtasks = #task if #uncompletedtasks?%>
<li id="task_">
<div><%= image_tag "26-mini-gray-checkmark.png" %>
<%= #uncompletedtasks.task %>
</div>
</li>
Trace of template inclusion: app/views/tasks/_task.html.erb, app/views/layouts/application.html.erb
Rails.root: /home/action/workspace/clinio
Application Trace | Framework Trace | Full Trace
app/views/layouts/application.html.erb:35:in _app_views_layouts_application_html_erb__122972711486791642_46610700'
app/controllers/users_controller.rb:16:inindex'
You don't need that question mark at the end.
<% #uncompletedtasks = #task if #uncompletedtasks %>
(the purpose of this code still eludes me, though. Why would you want overwrite #uncompletedtasks only if it has value?)
I need an interface on my Rails 3 app to upload multiple files to Amazon S3 (because i'm on heroku), possibly with progress bars.
I've easily managed how to set up paperclip and upload single files, but i'm really lost now on how to go ahead.
Please can you give me some advices? It's 2 days i'm searching across all the internet, but i can't find a working solution
** EDIT **
I really can't understand... I'm going mad 'cause I'm losing too many hours on this... please help me.
If I try to open the example app cited by Johnny I only get this (and in my app it is the same):
Where is the UI?
Is there something wrong on my browser?
** EDIT 2 **
Here on GitHub you can find my testapp... please can you explain me why the damn upload UI is not showing up? Thanks!
** EDIT 3 **
Thank you very much Johnny, i wasn't aware of the fact that jquery and prototype can't live together.
Now the plugin is showing up correctly, but as a try to upload something it creates a new "upload" record, but its attachment field is blank, and the files are not on s3.
This is what the console is saying:
Started POST "/uploads" for 127.0.0.1 at 2011-06-27 16:17:22 +0200
Processing by UploadsController#create as JSON
Parameters: {"utf8"=>"✓", "authenticity_token"=>"GesRBTiZR1f2LV/bAeAdxWqF++gxcDJw4pPGStYGsH8=", "upload"=>{"attachment"=>[#<ActionDispatch::Http::UploadedFile:0x000001032834b8 #original_filename="animal-tiger-66550.jpg", #content_type="image/jpeg", #headers="Content-Disposition: form-data; name=\"upload[attachment][]\"; filename=\"animal-tiger-66550.jpg\"\r\nContent-Type: image/jpeg\r\n", #tempfile=#<File:/var/folders/Qj/QjEqvUUNGTmuki5SXOaaG++++TI/-Tmp-/RackMultipart20110627-1818-1syiex9>>]}}
AREL (0.5ms) INSERT INTO "uploads" ("attachment", "created_at", "updated_at", "attachment_file_name", "attachment_content_type", "attachment_file_size", "attachment_updated_at") VALUES (NULL, '2011-06-27 14:17:23.049136', '2011-06-27 14:17:23.049136', NULL, NULL, NULL, NULL)
[paperclip] Saving attachments.
Completed 200 OK in 64ms (Views: 4.2ms | ActiveRecord: 0.7ms)
You can look at jQuery-File-Upload. Demo here and rails 3/Paperclip setup here.
Edit: As #apneadiving mentioned, the library has been updated to version 5. The script you have is for verison 4. You should try modifying this to work with PaperClip. Copy-pasting the majority of the example code into my app (with a few modifications) worked for me:
#app/public/javascripts/application.js
$(function () {
// Initialize the jQuery File Upload widget:
$('#fileupload').fileupload();
// Load existing files:
$.getJSON($('#fileupload form').prop('action'), function (files) {
var fu = $('#fileupload').data('fileupload');
fu._adjustMaxNumberOfFiles(-files.length);
fu._renderDownload(files)
.appendTo($('#fileupload .files'))
.fadeIn(function () {
// Fix for IE7 and lower:
$(this).show();
});
});
// Open download dialogs via iframes,
// to prevent aborting current uploads:
$('#fileupload .files a:not([target^=_blank])').live('click', function (e) {
e.preventDefault();
$('<iframe style="display:none;"></iframe>')
.prop('src', this.href)
.appendTo('body');
});
});
#app/controllers/uploads_controller.rb
def create
#upload = Upload.new(params[:upload])
if #upload.save
render :json => [{
:pic_path => #upload.attachment.url.to_s ,
:name => #upload.attachment.instance.attributes["picture_file_name"]
}], :content_type => 'text/html'
else
render [:json => { :result => 'error'}], :content_type => 'text/html'
end
end
#app/views/uploads/new.html.haml
%link#theme{:href => "http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.13/themes/base/jquery-ui.css", :rel => "stylesheet"}
= stylesheet_link_tag 'jquery.fileupload-ui'
#fileupload
= form_for Upload.new, :html => { :multipart => true } do |f|
.fileupload-buttonbar
%label.fileinput-button
%span Add files...
= f.file_field :attachment, :multiple => true
%button.start{:type => "submit"} Start upload
%button.cancel{:type => "reset"} Cancel upload
%button.delete{:type => "button"} Delete files
.fileupload-content
%table.files
.fileupload-progressbar
%script#template-upload{:type => "text/x-jquery-tmpl"}
%tr{:class => "template-upload{{if error}} ui-state-error{{/if}}"}
%td.preview
%td.name ${name}
%td.size ${sizef}
{{if error}}
%td.error{:colspan => "2"}
Error:
{{if error === 'custom_failure'}}Custom Error Message
{{else}}${error}
{{/if}}
{{else}}
%td.progress
%div
%td.start
%button Start
{{/if}}
%td.cancel
%button Cancel
%script#template-download{:type => "text/x-jquery-tmpl"}
%tr{:class => "template-download{{if error}} ui-state-error{{/if}}"}
{{if error}}
%td
%td.name ${name}
%td.size ${sizef}
%td.error{:colspan => "2"}
Error:
{{if error === 1}}File exceeds upload_max_filesize (php.ini directive)
{{else}}${error}
{{/if}}
{{else}}
%td.preview
{{if thumbnail_url}}
%a{:href => "${url}", :target => "_blank"}
%img{:src => "${thumbnail_url}"}/
{{/if}}
%td.name
<a href="${url}"{{if thumbnail_url}} target="_blank"{{/if}}>${name}
%td.size ${sizef}
%td{:colspan => "2"}
{{/if}}
%td.delete
%button{"data-type" => "${delete_type}", "data-url" => "${delete_url}"} Delete
Edit
Had a quick look at your app, the problem is that you are mixing prototype with jquery. The easiest way around this is to switch to jQuery using jquery-rails.
#Gemfile
gem 'jquery-rails'
Next, run bundle install and then rails g jquery:install.
Then change your app/views/layouts/application.erb to this:
<%= stylesheet_link_tag :all %>
<%= csrf_meta_tag %>
<%= javascript_include_tag 'jquery.min' %>
<%= javascript_include_tag 'jquery-ui-1.8.13.custom.min' %>
<%= javascript_include_tag 'jquery.tmpl.min' %>
<%= javascript_include_tag 'jquery.iframe-transport' %>
<%= javascript_include_tag 'jquery.fileupload' %>
<%= javascript_include_tag 'jquery.fileupload-ui' %>
<%= javascript_include_tag 'jquery_ujs' %>
<%= javascript_include_tag 'application' %>
Note that I removed the
<%= javascript_include_tag :defaults %>
So that I can specify the order in which jquery, jquery_ujs, and application are loaded.
I've begun with a very similar task recently, and the swf plugin (at least the more recent one) will indeed let you update paperclip's record. It has callbacks for just about everything you'd need to extend.
:onUploadComplete (upload_options,event)
Here's Nathan Colgate's gist on the matter. He just makes a remote call to the rails server once the upload is finished telling it of the locations for the paperclip attachment.
from his uploadCompleteHandler
var uploadCompleteHandler = function(upload_options,event){
$.ajax({
url: '<%= notify_rails_of_successful_upload_path(:format => :js)%>',
global: false,
type: 'POST',
data: ({
'authenticity_token' : '<%= form_authenticity_token %>',
'upload' : {
'file_file_name' : upload_options.FileName,
'file_file_size' : upload_options.FileSize,
'file_content_type' : upload_options.ContentType
}
}),
dataType: 'script'
}
)
};
I'm not sure if this exact callback gets triggered for each file; it definitely looks like it would. But he passes everything paperclip needs back through an ajax request. filename,size,content-type. This way all that gets sent to heroku is some text about the file, sparing your app a good amount of work by giving it to the client.
edit: flash is the only way I've found to avoid sending a lot of data through heroku to s3. There are a few html5/js-only uploaders that might be able to get the job done, but the ones I have found are still pretty ripe on the dev tree.
As per Heroku support, see this.
Paperclip & multiple files upload, although not S3 specific.
View: (notice the array blog_post[avatars][])
<form accept-charset="UTF-8" action="/blog_posts" enctype="multipart/form-data" id="new_blog_post" method="post">
<div style="margin:0;padding:0;display:inline">
<input name="utf8" type="hidden" value="✓" />
<input name="authenticity_token" type="hidden" value="<%=form_authenticity_token %>" />
</div>
<p><input id="blog_post" name="blog_post[avatars][]" type="file" multiple /></p>
<p><input name="commit" type="submit" value="Upload" /></p>
</form>
Controller:
# POST /blog_posts
# POST /blog_posts.json
def create
#blog_post = BlogPost.new(params[:blog_post])
#blog_post.avatars.each do |avatar|
each_blog_post = BlogPost.new
each_blog_post.avatar = avatar
if each_blog_post.save
end
end
end
Model:
class BlogPost < ActiveRecord::Base
attr_accessible :title, :avatar, :avatars
has_attached_file :avatar
attr_accessor :avatars
end
I've a simple script that looks at Twitter username and gets me the location. But some of the username doesn't exist and I get error:
/usr/lib/ruby/1.8/open-uri.rb:277:in `open_http': 404 Not Found (OpenURI::HTTPError)
I've tried to rescue it, but I can't to make it work. Can anyone help? Thanks
a = []
my_file = File.new("location.txt", 'a+')
File.open('address.txt', 'r') do |f|
while line = f.gets
url = "http://twitter.com/#{line}"
doc = Nokogiri::HTML(open(url, 'User-Agent' => 'ruby'))
doc.css("#side #profile").each do |loc|
my_file.puts "http://twitter.com/#{line} #{loc.at_css(".adr").text}"
puts line
end
end
end
I also need help rescuing another error:
twitter.rb:14: undefined method `text' for nil:NilClass (NoMethodError)
Thanks.
Double quotes inside the other double quotes! Use single quotes for the call to at_css():
my_file.puts "http://twitter.com/#{line} #{loc.at_css('.adr').text}"
Turns out a simple rescue StandardError did the trick.