Get rid of `is_image` in FileUploader

Signed-off-by: Rémy Coutable <remy@rymai.me>

app/uploaders/file_uploader.rb

@@ -42,7 +42,6 @@ class FileUploader < CarrierWave::Uploader::Base
     {
       alt:      filename,
       url:      self.secure_url,
-      is_image: image_or_video?,
       markdown: markdown
     }
   end

doc/api/projects.md

@@ -850,7 +850,6 @@ Parameters:
 {
   "alt": "dk",
   "url": "/uploads/66dbcd21ec5d24ed6ea225176098d52b/dk.png",
-  "is_image": true,
   "markdown": "![dk](/uploads/66dbcd21ec5d24ed6ea225176098d52b/dk.png)"
 }
 ```

spec/controllers/projects/uploads_controller_spec.rb

@@ -14,9 +14,9 @@ describe Projects::UploadsController do
     context "without params['file']" do
       it "returns an error" do
-        post :create, 
+        post :create,
           namespace_id: project.namespace.to_param,
-          project_id: project.to_param, 
+          project_id: project.to_param,
           format: :json
         expect(response).to have_http_status(422)
       end
@@ -34,23 +34,21 @@ describe Projects::UploadsController do
       it 'returns a content with original filename, new link, and correct type.' do
         expect(response.body).to match '\"alt\":\"rails_sample\"'
         expect(response.body).to match "\"url\":\"/uploads"
-        expect(response.body).to match '\"is_image\":true'
       end
     end
     context 'with valid non-image file' do
       before do
-        post :create, 
+        post :create,
           namespace_id: project.namespace.to_param,
-          project_id: project.to_param, 
-          file: txt, 
+          project_id: project.to_param,
+          file: txt,
           format: :json
       end
       it 'returns a content with original filename, new link, and correct type.' do
         expect(response.body).to match '\"alt\":\"doc_sample.txt\"'
         expect(response.body).to match "\"url\":\"/uploads"
-        expect(response.body).to match '\"is_image\":false'
       end
     end
   end

spec/lib/gitlab/email/attachment_uploader_spec.rb

@@ -11,7 +11,6 @@ describe Gitlab::Email::AttachmentUploader, lib: true do
       link = links.first
       expect(link).not_to be_nil
-      expect(link[:is_image]).to be_truthy
       expect(link[:alt]).to eq("bricks")
       expect(link[:url]).to include("bricks.png")
     end

spec/lib/gitlab/email/receiver_spec.rb

@@ -115,7 +115,6 @@ describe Gitlab::Email::Receiver, lib: true do
         [
           {
             url: "uploads/image.png",
-            is_image: true,
             alt: "image",
             markdown: markdown
           }

spec/requests/api/projects_spec.rb

@@ -396,7 +396,6 @@ describe API::API, api: true  do
       expect(json_response['alt']).to eq("dk")
       expect(json_response['url']).to start_with("/uploads/")
       expect(json_response['url']).to end_with("/dk.png")
-      expect(json_response['is_image']).to eq(true)
     end
   end

spec/services/projects/download_service_spec.rb

@@ -35,8 +35,6 @@ describe Projects::DownloadService, services: true do
         it { expect(@link_to_file).to have_key(:alt) }
         it { expect(@link_to_file).to have_key(:url) }
-        it { expect(@link_to_file).to have_key(:is_image) }
-        it { expect(@link_to_file[:is_image]).to be true }
         it { expect(@link_to_file[:url]).to match('rails_sample.jpg') }
         it { expect(@link_to_file[:alt]).to eq('rails_sample') }
       end
@@ -49,8 +47,6 @@ describe Projects::DownloadService, services: true do
         it { expect(@link_to_file).to have_key(:alt) }
         it { expect(@link_to_file).to have_key(:url) }
-        it { expect(@link_to_file).to have_key(:is_image) }
-        it { expect(@link_to_file[:is_image]).to be false }
         it { expect(@link_to_file[:url]).to match('doc_sample.txt') }
         it { expect(@link_to_file[:alt]).to eq('doc_sample.txt') }
       end

spec/services/projects/upload_service_spec.rb

@@ -15,9 +15,7 @@ describe Projects::UploadService, services: true do
       it { expect(@link_to_file).to have_key(:alt) }
       it { expect(@link_to_file).to have_key(:url) }
-      it { expect(@link_to_file).to have_key(:is_image) }
       it { expect(@link_to_file).to have_value('banana_sample') }
-      it { expect(@link_to_file[:is_image]).to equal(true) }
       it { expect(@link_to_file[:url]).to match('banana_sample.gif') }
     end
@@ -31,8 +29,6 @@ describe Projects::UploadService, services: true do
       it { expect(@link_to_file).to have_key(:alt) }
       it { expect(@link_to_file).to have_key(:url) }
       it { expect(@link_to_file).to have_value('dk') }
-      it { expect(@link_to_file).to have_key(:is_image) }
-      it { expect(@link_to_file[:is_image]).to equal(true) }
       it { expect(@link_to_file[:url]).to match('dk.png') }
     end
@@ -44,9 +40,7 @@ describe Projects::UploadService, services: true do
       it { expect(@link_to_file).to have_key(:alt) }
       it { expect(@link_to_file).to have_key(:url) }
-      it { expect(@link_to_file).to have_key(:is_image) }
       it { expect(@link_to_file).to have_value('rails_sample') }
-      it { expect(@link_to_file[:is_image]).to equal(true) }
       it { expect(@link_to_file[:url]).to match('rails_sample.jpg') }
     end
@@ -58,9 +52,7 @@ describe Projects::UploadService, services: true do
       it { expect(@link_to_file).to have_key(:alt) }
       it { expect(@link_to_file).to have_key(:url) }
-      it { expect(@link_to_file).to have_key(:is_image) }
       it { expect(@link_to_file).to have_value('doc_sample.txt') }
-      it { expect(@link_to_file[:is_image]).to equal(false) }
       it { expect(@link_to_file[:url]).to match('doc_sample.txt') }
     end