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# frozen_string_literal: true
module SnippetsHelper
def snippets_upload_path(snippet, user)
return unless user
if snippet&.persisted?
upload_path('personal_snippet', id: snippet.id)
else
upload_path('user', id: user.id)
end
end
def download_raw_snippet_button(snippet)
link_to(icon('download'),
gitlab_raw_snippet_path(snippet, inline: false),
target: '_blank',
rel: 'noopener noreferrer',
class: "btn btn-sm has-tooltip",
title: 'Download',
data: { container: 'body' })
end
# Return the path of a snippets index for a user or for a project
#
# @returns String, path to snippet index
def subject_snippets_path(subject = nil, opts = nil)
if subject.is_a?(Project)
project_snippets_path(subject, opts)
else # assume subject === User
dashboard_snippets_path(opts)
end
end
# Get an array of line numbers surrounding a matching
# line, bounded by min/max.
#
# @returns Array of line numbers
def bounded_line_numbers(line, min, max, surrounding_lines)
lower = line - surrounding_lines > min ? line - surrounding_lines : min
upper = line + surrounding_lines < max ? line + surrounding_lines : max
(lower..upper).to_a
end
# Returns a sorted set of lines to be included in a snippet preview.
# This ensures matching adjacent lines do not display duplicated
# surrounding code.
#
# @returns Array, unique and sorted.
def matching_lines(lined_content, surrounding_lines, query)
used_lines = []
lined_content.each_with_index do |line, line_number|
used_lines.concat bounded_line_numbers(
line_number,
0,
lined_content.size,
surrounding_lines
) if line.downcase.include?(query.downcase)
end
used_lines.uniq.sort
end
# 'Chunkify' entire snippet. Splits the snippet data into matching lines +
# surrounding_lines() worth of unmatching lines.
#
# @returns a hash with {snippet_object, snippet_chunks:{data,start_line}}
def chunk_snippet(snippet, query, surrounding_lines = 3)
lined_content = snippet.content.split("\n")
used_lines = matching_lines(lined_content, surrounding_lines, query)
snippet_chunk = []
snippet_chunks = []
snippet_start_line = 0
last_line = -1
# Go through each used line, and add consecutive lines as a single chunk
# to the snippet chunk array.
used_lines.each do |line_number|
if last_line < 0
# Start a new chunk.
snippet_start_line = line_number
snippet_chunk << lined_content[line_number]
elsif last_line == line_number - 1
# Consecutive line, continue chunk.
snippet_chunk << lined_content[line_number]
else
# Non-consecutive line, add chunk to chunk array.
snippet_chunks << {
data: snippet_chunk.join("\n"),
start_line: snippet_start_line + 1
}
# Start a new chunk.
snippet_chunk = [lined_content[line_number]]
snippet_start_line = line_number
end
last_line = line_number
end
# Add final chunk to chunk array
snippet_chunks << {
data: snippet_chunk.join("\n"),
start_line: snippet_start_line + 1
}
# Return snippet with chunk array
{ snippet_object: snippet, snippet_chunks: snippet_chunks }
end
def snippet_embed_tag(snippet)
content_tag(:script, nil, src: gitlab_snippet_url(snippet, format: :js))
end
def snippet_embed_input(snippet)
content_tag(:input,
nil,
type: :text,
readonly: true,
class: 'js-snippet-url-area snippet-embed-input form-control',
data: { url: gitlab_snippet_url(snippet) },
value: snippet_embed_tag(snippet),
autocomplete: 'off')
end
def snippet_badge(snippet)
return unless attrs = snippet_badge_attributes(snippet)
css_class, text = attrs
tag.span(class: %w[badge badge-gray]) do
concat(tag.i(class: ['fa', css_class]))
concat(' ')
concat(text)
end
end
def snippet_badge_attributes(snippet)
if snippet.private?
['fa-lock', _('private')]
end
end
def embedded_raw_snippet_button
blob = @snippet.blob
return if blob.empty? || blob.binary? || blob.stored_externally?
link_to(external_snippet_icon('doc-code'),
gitlab_raw_snippet_url(@snippet),
class: 'btn',
target: '_blank',
rel: 'noopener noreferrer',
title: 'Open raw')
end
def embedded_snippet_download_button
link_to(external_snippet_icon('download'),
gitlab_raw_snippet_url(@snippet, inline: false),
class: 'btn',
target: '_blank',
title: 'Download',
rel: 'noopener noreferrer')
end
end
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