83 lines
2.1 KiB
Ruby
83 lines
2.1 KiB
Ruby
# frozen_string_literal: true
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# Service for calculating visible Snippet counts via one query
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# for the given user or project.
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#
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# Authorisation level checks will be included, ensuring the correct
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# counts will be returned for the given user (if any).
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#
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# Basic usage:
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#
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# user = User.find(1)
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#
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# Snippets::CountService.new(user, author: user).execute
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# #=> {
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# are_public: 1,
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# are_internal: 1,
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# are_private: 1,
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# all: 3
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# }
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#
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# Counts can be scoped to a project:
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#
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# user = User.find(1)
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# project = Project.find(1)
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#
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# Snippets::CountService.new(user, project: project).execute
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# #=> {
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# are_public: 1,
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# are_internal: 1,
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# are_private: 0,
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# all: 2
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# }
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#
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# Either a project or an author *must* be supplied.
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module Snippets
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class CountService
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def initialize(current_user, author: nil, project: nil)
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if !author && !project
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raise(
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ArgumentError, 'Must provide either an author or a project'
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)
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end
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@snippets_finder = SnippetsFinder.new(current_user, author: author, project: project)
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end
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def execute
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counts = snippet_counts
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return {} unless counts
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counts.slice(
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:are_public,
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:are_private,
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:are_internal,
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:are_public_or_internal,
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:total
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)
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end
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private
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# rubocop: disable CodeReuse/ActiveRecord
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def snippet_counts
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@snippets_finder.execute
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.reorder(nil)
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.select(<<~SQL)
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count(case when snippets.visibility_level=#{Snippet::PUBLIC}
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and snippets.secret is FALSE then 1 else null end) as are_public,
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count(case when snippets.visibility_level=#{Snippet::INTERNAL}
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then 1 else null end) as are_internal,
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count(case when snippets.visibility_level=#{Snippet::PRIVATE}
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then 1 else null end) as are_private,
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count(case when visibility_level=#{Snippet::PUBLIC}
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OR visibility_level=#{Snippet::INTERNAL}
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then 1 else null end) as are_public_or_internal,
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count(*) as total
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SQL
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.take
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end
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# rubocop: enable CodeReuse/ActiveRecord
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end
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end
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