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# frozen_string_literal: true
class Redis
module Commands
module Geo
# Adds the specified geospatial items (latitude, longitude, name) to the specified key
#
# @param [String] key
# @param [Array] member arguemnts for member or members: longitude, latitude, name
# @return [Integer] number of elements added to the sorted set
def geoadd(key, *member)
send_command([:geoadd, key, *member])
end
# Returns geohash string representing position for specified members of the specified key.
#
# @param [String] key
# @param [String, Array<String>] member one member or array of members
# @return [Array<String, nil>] returns array containg geohash string if member is present, nil otherwise
def geohash(key, member)
send_command([:geohash, key, member])
end
# Query a sorted set representing a geospatial index to fetch members matching a
# given maximum distance from a point
#
# @param [Array] args key, longitude, latitude, radius, unit(m|km|ft|mi)
# @param ['asc', 'desc'] sort sort returned items from the nearest to the farthest
# or the farthest to the nearest relative to the center
# @param [Integer] count limit the results to the first N matching items
# @param ['WITHDIST', 'WITHCOORD', 'WITHHASH'] options to return additional information
# @return [Array<String>] may be changed with `options`
def georadius(*args, **geoptions)
geoarguments = _geoarguments(*args, **geoptions)
send_command([:georadius, *geoarguments])
end
# Query a sorted set representing a geospatial index to fetch members matching a
# given maximum distance from an already existing member
#
# @param [Array] args key, member, radius, unit(m|km|ft|mi)
# @param ['asc', 'desc'] sort sort returned items from the nearest to the farthest or the farthest
# to the nearest relative to the center
# @param [Integer] count limit the results to the first N matching items
# @param ['WITHDIST', 'WITHCOORD', 'WITHHASH'] options to return additional information
# @return [Array<String>] may be changed with `options`
def georadiusbymember(*args, **geoptions)
geoarguments = _geoarguments(*args, **geoptions)
send_command([:georadiusbymember, *geoarguments])
end
# Returns longitude and latitude of members of a geospatial index
#
# @param [String] key
# @param [String, Array<String>] member one member or array of members
# @return [Array<Array<String>, nil>] returns array of elements, where each
# element is either array of longitude and latitude or nil
def geopos(key, member)
send_command([:geopos, key, member])
end
# Returns the distance between two members of a geospatial index
#
# @param [String ]key
# @param [Array<String>] members
# @param ['m', 'km', 'mi', 'ft'] unit
# @return [String, nil] returns distance in spefied unit if both members present, nil otherwise.
def geodist(key, member1, member2, unit = 'm')
send_command([:geodist, key, member1, member2, unit])
end
private
def _geoarguments(*args, options: nil, sort: nil, count: nil)
args << sort if sort
args << 'COUNT' << Integer(count) if count
args << options if options
args
end
end
end
end
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