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Contents
# frozen_string_literal: true
# MIT License
#
# Copyright (c) 2024 Zerocracy
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
require 'time'
require 'others'
require_relative '../fbe'
require_relative 'fb'
# Injects a fact if it's absent in the factbase, otherwise (it is already
# there) returns the existing one.
def Fbe.just_one(fb: Fbe.fb)
attrs = {}
f =
others(map: attrs) do |*args|
k = args[0]
if k.end_with?('=')
@map[k[0..-2].to_sym] = args[1]
else
@map[k.to_sym]
end
end
yield f
q = attrs.except('_id', '_time', '_version').map do |k, v|
vv = v.to_s
if v.is_a?(String)
vv = "'#{vv.gsub('"', '\\\\"').gsub("'", "\\\\'")}'"
elsif v.is_a?(Time)
vv = v.utc.iso8601
end
"(eq #{k} #{vv})"
end.join(' ')
q = "(and #{q})"
before = fb.query(q).each.to_a.first
return before unless before.nil?
n = fb.insert
attrs.each { |k, v| n.send("#{k}=", v) }
n
end
Version data entries
36 entries across 36 versions & 1 rubygems