282 lines
8.5 KiB
Ruby
282 lines
8.5 KiB
Ruby
# Controller for viewing a file's blame
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class Projects::BlobController < Projects::ApplicationController
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include ExtractsPath
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include CreatesCommit
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include RendersBlob
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include NotesHelper
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include ActionView::Helpers::SanitizeHelper
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prepend_before_action :authenticate_user!, only: [:edit]
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before_action :set_request_format, only: [:edit, :show, :update]
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before_action :require_non_empty_project, except: [:new, :create]
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before_action :authorize_download_code!
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# We need to assign the blob vars before `authorize_edit_tree!` so we can
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# validate access to a specific ref.
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before_action :assign_blob_vars
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before_action :authorize_edit_tree!, only: [:new, :create, :update, :destroy]
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before_action :commit, except: [:new, :create]
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before_action :blob, except: [:new, :create]
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before_action :require_branch_head, only: [:edit, :update]
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before_action :editor_variables, except: [:show, :preview, :diff]
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before_action :validate_diff_params, only: :diff
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before_action :set_last_commit_sha, only: [:edit, :update]
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def new
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commit unless @repository.empty?
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end
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def create
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create_commit(Files::CreateService, success_notice: "The file has been successfully created.",
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success_path: -> { project_blob_path(@project, File.join(@branch_name, @file_path)) },
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failure_view: :new,
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failure_path: project_new_blob_path(@project, @ref))
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end
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def show
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conditionally_expand_blob(@blob)
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respond_to do |format|
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format.html do
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show_html
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end
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format.json do
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page_title @blob.path, @ref, @project.full_name
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show_json
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end
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end
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end
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def edit
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if can_collaborate_with_project?(project, ref: @ref)
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blob.load_all_data!
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else
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redirect_to action: 'show'
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end
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end
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def update
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@path = params[:file_path] if params[:file_path].present?
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create_commit(Files::UpdateService, success_path: -> { after_edit_path },
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failure_view: :edit,
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failure_path: project_blob_path(@project, @id))
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rescue Files::UpdateService::FileChangedError
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@conflict = true
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render :edit
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end
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def preview
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@content = params[:content]
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@blob.load_all_data!
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diffy = Diffy::Diff.new(@blob.data, @content, diff: '-U 3', include_diff_info: true)
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diff_lines = diffy.diff.scan(/.*\n/)[2..-1]
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diff_lines = Gitlab::Diff::Parser.new.parse(diff_lines)
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@diff_lines = Gitlab::Diff::Highlight.new(diff_lines, repository: @repository).highlight
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render layout: false
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end
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def destroy
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create_commit(Files::DeleteService, success_notice: "The file has been successfully deleted.",
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success_path: -> { project_tree_path(@project, @branch_name) },
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failure_view: :show,
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failure_path: project_blob_path(@project, @id))
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end
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def diff
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apply_diff_view_cookie!
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@blob.load_all_data!
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@lines = Gitlab::Highlight.highlight(@blob.path, @blob.data, repository: @repository).lines
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@form = UnfoldForm.new(params)
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@lines = @lines[@form.since - 1..@form.to - 1].map(&:html_safe)
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if @form.bottom?
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@match_line = ''
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else
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lines_length = @lines.length - 1
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line = [@form.since, lines_length].join(',')
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@match_line = "@@ -#{line}+#{line} @@"
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end
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# We can keep only 'render_diff_lines' from this conditional when
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# https://gitlab.com/gitlab-org/gitlab-ce/issues/44988 is done
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if rendered_for_merge_request?
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render_diff_lines
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else
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render layout: false
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end
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end
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private
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# Converts a String array to Gitlab::Diff::Line array
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def render_diff_lines
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@lines.map! do |line|
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# These are marked as context lines but are loaded from blobs.
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# We also have context lines loaded from diffs in other places.
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diff_line = Gitlab::Diff::Line.new(line, 'context', nil, nil, nil)
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diff_line.rich_text = line
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diff_line
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end
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add_match_line
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render json: DiffLineSerializer.new.represent(@lines)
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end
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def add_match_line
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return unless @form.unfold?
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if @form.bottom? && @form.to < @blob.lines.size
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old_pos = @form.to - @form.offset
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new_pos = @form.to
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elsif @form.since != 1
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old_pos = new_pos = @form.since
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end
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# Match line is not needed when it reaches the top limit or bottom limit of the file.
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return unless new_pos
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@match_line = Gitlab::Diff::Line.new(@match_line, 'match', nil, old_pos, new_pos)
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@form.bottom? ? @lines.push(@match_line) : @lines.unshift(@match_line)
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end
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def blob
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@blob ||= @repository.blob_at(@commit.id, @path)
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if @blob
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@blob
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else
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if tree = @repository.tree(@commit.id, @path)
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if tree.entries.any?
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return redirect_to project_tree_path(@project, File.join(@ref, @path))
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end
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end
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return render_404
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end
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end
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def commit
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@commit = @repository.commit(@ref)
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return render_404 unless @commit
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end
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def assign_blob_vars
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@id = params[:id]
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@ref, @path = extract_ref(@id)
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rescue InvalidPathError
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render_404
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end
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def after_edit_path
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from_merge_request = MergeRequestsFinder.new(current_user, project_id: @project.id).find_by(iid: params[:from_merge_request_iid])
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if from_merge_request && @branch_name == @ref
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diffs_project_merge_request_path(from_merge_request.target_project, from_merge_request) +
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"##{hexdigest(@path)}"
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else
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project_blob_path(@project, File.join(@branch_name, @path))
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end
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end
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def editor_variables
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@branch_name = params[:branch_name]
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@file_path =
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if action_name.to_s == 'create'
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if params[:file].present?
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params[:file_name] = params[:file].original_filename
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end
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File.join(@path, params[:file_name])
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elsif params[:file_path].present?
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params[:file_path]
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else
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@path
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end
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if params[:file].present?
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params[:content] = Base64.encode64(params[:file].read)
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params[:encoding] = 'base64'
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end
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@commit_params = {
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file_path: @file_path,
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commit_message: params[:commit_message],
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previous_path: @path,
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file_content: params[:content],
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file_content_encoding: params[:encoding],
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last_commit_sha: params[:last_commit_sha]
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}
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end
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def validate_diff_params
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if [:since, :to, :offset].any? { |key| params[key].blank? }
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render nothing: true
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end
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end
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def set_last_commit_sha
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@last_commit_sha = Gitlab::Git::Commit
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.last_for_path(@repository, @ref, @path).sha
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end
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# In Rails 4.2 if params[:format] is empty, Rails set it to :html
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# But since Rails 5.0 the framework now looks for an extension.
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# E.g. for `blob/master/CHANGELOG.md` in Rails 4 the format would be `:html`, but in Rails 5 on it'd be `:md`
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# This before_action explicitly sets the `:html` format for all requests unless `:format` is set by a client e.g. by JS for XHR requests.
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def set_request_format
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request.format = :html if set_request_format?
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end
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def set_request_format?
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params[:id].present? && params[:format].blank? && request.format != "json"
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end
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def show_html
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environment_params = @repository.branch_exists?(@ref) ? { ref: @ref } : { commit: @commit }
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@environment = EnvironmentsFinder.new(@project, current_user, environment_params).execute.last
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@last_commit = @repository.last_commit_for_path(@commit.id, @blob.path)
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render 'show'
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end
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def show_json
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set_last_commit_sha
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path_segments = @path.split('/')
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path_segments.pop
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tree_path = path_segments.join('/')
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json = {
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id: @blob.id,
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last_commit_sha: @last_commit_sha,
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path: blob.path,
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name: blob.name,
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extension: blob.extension,
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size: blob.raw_size,
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mime_type: blob.mime_type,
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binary: blob.raw_binary?,
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simple_viewer: blob.simple_viewer&.class&.partial_name,
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rich_viewer: blob.rich_viewer&.class&.partial_name,
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show_viewer_switcher: !!blob.show_viewer_switcher?,
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render_error: blob.simple_viewer&.render_error || blob.rich_viewer&.render_error,
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raw_path: project_raw_path(project, @id),
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blame_path: project_blame_path(project, @id),
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commits_path: project_commits_path(project, @id),
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tree_path: project_tree_path(project, File.join(@ref, tree_path)),
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permalink: project_blob_path(project, File.join(@commit.id, @path))
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}
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json.merge!(blob_json(@blob) || {}) unless params[:viewer] == 'none'
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render json: json
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end
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end
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