164 lines
2.8 KiB
Ruby
164 lines
2.8 KiB
Ruby
# TodosFinder
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#
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# Used to filter Todos by set of params
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#
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# Arguments:
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# current_user - which user use
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# params:
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# action_id: integer
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# author_id: integer
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# project_id; integer
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# state: 'pending' (default) or 'done'
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# type: 'Issue' or 'MergeRequest'
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#
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class TodosFinder
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NONE = '0'.freeze
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attr_accessor :current_user, :params
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def initialize(current_user, params = {})
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@current_user = current_user
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@params = params
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end
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def execute
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items = current_user.todos
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items = by_action_id(items)
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items = by_action(items)
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items = by_author(items)
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items = by_state(items)
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items = by_type(items)
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# Filtering by project HAS TO be the last because we use
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# the project IDs yielded by the todos query thus far
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items = by_project(items)
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sort(items)
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end
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private
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def action_id?
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action_id.present? && Todo::ACTION_NAMES.has_key?(action_id.to_i)
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end
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def action_id
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params[:action_id]
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end
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def to_action_id
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Todo::ACTION_NAMES.key(action.to_sym)
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end
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def action?
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action.present? && to_action_id
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end
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def action
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params[:action]
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end
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def author?
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params[:author_id].present?
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end
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def author
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return @author if defined?(@author)
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@author =
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if author? && params[:author_id] != NONE
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User.find(params[:author_id])
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else
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nil
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end
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end
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def project?
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params[:project_id].present?
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end
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def project
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return @project if defined?(@project)
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if project?
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@project = Project.find(params[:project_id])
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unless Ability.allowed?(current_user, :read_project, @project)
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@project = nil
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end
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else
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@project = nil
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end
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@project
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end
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def projects(items)
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item_project_ids = items.reorder(nil).select(:project_id)
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ProjectsFinder.new.execute(current_user, item_project_ids)
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end
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def type?
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type.present? && %w(Issue MergeRequest).include?(type)
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end
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def type
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params[:type]
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end
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def sort(items)
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params[:sort] ? items.sort(params[:sort]) : items.reorder(id: :desc)
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end
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def by_action(items)
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if action?
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items = items.where(action: to_action_id)
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end
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items
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end
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def by_action_id(items)
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if action_id?
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items = items.where(action: action_id)
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end
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items
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end
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def by_author(items)
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if author?
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items = items.where(author_id: author.try(:id))
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end
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items
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end
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def by_project(items)
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if project?
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items = items.where(project: project)
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else
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item_projects = projects(items)
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items = items.merge(item_projects).joins(:project)
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end
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items
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end
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def by_state(items)
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case params[:state].to_s
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when 'done'
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items.done
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else
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items.pending
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end
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end
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def by_type(items)
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if type?
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items = items.where(target_type: type)
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end
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items
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end
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end
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