143 lines
4.4 KiB
Ruby
143 lines
4.4 KiB
Ruby
# frozen_string_literal: true
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module SnippetsHelper
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def snippets_upload_path(snippet, user)
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return unless user
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if snippet&.persisted?
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upload_path('personal_snippet', id: snippet.id)
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else
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upload_path('user', id: user.id)
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end
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end
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def reliable_snippet_path(snippet, opts = nil)
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if snippet.project_id?
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project_snippet_path(snippet.project, snippet, opts)
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else
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snippet_path(snippet, opts)
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end
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end
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def download_snippet_path(snippet)
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if snippet.project_id
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raw_project_snippet_path(@project, snippet, inline: false)
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else
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raw_snippet_path(snippet, inline: false)
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end
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end
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# Return the path of a snippets index for a user or for a project
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#
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# @returns String, path to snippet index
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def subject_snippets_path(subject = nil, opts = nil)
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if subject.is_a?(Project)
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project_snippets_path(subject, opts)
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else # assume subject === User
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dashboard_snippets_path(opts)
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end
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end
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# Get an array of line numbers surrounding a matching
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# line, bounded by min/max.
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#
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# @returns Array of line numbers
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def bounded_line_numbers(line, min, max, surrounding_lines)
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lower = line - surrounding_lines > min ? line - surrounding_lines : min
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upper = line + surrounding_lines < max ? line + surrounding_lines : max
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(lower..upper).to_a
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end
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# Returns a sorted set of lines to be included in a snippet preview.
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# This ensures matching adjacent lines do not display duplicated
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# surrounding code.
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#
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# @returns Array, unique and sorted.
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def matching_lines(lined_content, surrounding_lines, query)
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used_lines = []
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lined_content.each_with_index do |line, line_number|
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used_lines.concat bounded_line_numbers(
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line_number,
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0,
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lined_content.size,
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surrounding_lines
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) if line.downcase.include?(query.downcase)
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end
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used_lines.uniq.sort
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end
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# 'Chunkify' entire snippet. Splits the snippet data into matching lines +
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# surrounding_lines() worth of unmatching lines.
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#
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# @returns a hash with {snippet_object, snippet_chunks:{data,start_line}}
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def chunk_snippet(snippet, query, surrounding_lines = 3)
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lined_content = snippet.content.split("\n")
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used_lines = matching_lines(lined_content, surrounding_lines, query)
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snippet_chunk = []
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snippet_chunks = []
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snippet_start_line = 0
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last_line = -1
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# Go through each used line, and add consecutive lines as a single chunk
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# to the snippet chunk array.
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used_lines.each do |line_number|
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if last_line < 0
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# Start a new chunk.
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snippet_start_line = line_number
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snippet_chunk << lined_content[line_number]
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elsif last_line == line_number - 1
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# Consecutive line, continue chunk.
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snippet_chunk << lined_content[line_number]
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else
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# Non-consecutive line, add chunk to chunk array.
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snippet_chunks << {
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data: snippet_chunk.join("\n"),
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start_line: snippet_start_line + 1
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}
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# Start a new chunk.
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snippet_chunk = [lined_content[line_number]]
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snippet_start_line = line_number
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end
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last_line = line_number
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end
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# Add final chunk to chunk array
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snippet_chunks << {
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data: snippet_chunk.join("\n"),
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start_line: snippet_start_line + 1
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}
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# Return snippet with chunk array
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{ snippet_object: snippet, snippet_chunks: snippet_chunks }
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end
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def snippet_embed
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"<script src=\"#{url_for(only_path: false, overwrite_params: nil)}.js\"></script>"
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end
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def embedded_snippet_raw_button
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blob = @snippet.blob
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return if blob.empty? || blob.binary? || blob.stored_externally?
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snippet_raw_url = if @snippet.is_a?(PersonalSnippet)
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raw_snippet_url(@snippet)
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else
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raw_project_snippet_url(@snippet.project, @snippet)
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end
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link_to external_snippet_icon('doc-code'), snippet_raw_url, class: 'btn', target: '_blank', rel: 'noopener noreferrer', title: 'Open raw'
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end
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def embedded_snippet_download_button
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download_url = if @snippet.is_a?(PersonalSnippet)
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raw_snippet_url(@snippet, inline: false)
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else
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raw_project_snippet_url(@snippet.project, @snippet, inline: false)
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end
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link_to external_snippet_icon('download'), download_url, class: 'btn', target: '_blank', title: 'Download', rel: 'noopener noreferrer'
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end
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end
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