Module: Lite::Redis::ListHelper

Included in:
List, List
Defined in:
lib/lite/redis/helpers/list_helper.rb

Instance Method Summary collapse

Instance Method Details

#all(key) ⇒ Object 



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# File 'lib/lite/redis/helpers/list_helper.rb', line 29

def all(key)
  client.lrange(key.to_s, 0, -1)
end

#between(key, start = 1, finish = 0) ⇒ Object 



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# File 'lib/lite/redis/helpers/list_helper.rb', line 25

def between(key, start = 1, finish = 0)
  client.lrange(key.to_s, start - 1, finish - 1)
end

#count(key) ⇒ Object 



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# File 'lib/lite/redis/helpers/list_helper.rb', line 33

def count(key)
  client.llen(key.to_s)
end

#create(key, value, order = :prepend) ⇒ Object 



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# File 'lib/lite/redis/helpers/list_helper.rb', line 37

def create(key, value, order = :prepend)
  if append?(order)
    client.rpush(key.to_s, value)
  else
    client.lpush(key.to_s, value)
  end
end

#create!(key, value, order = :prepend) ⇒ Object 



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# File 'lib/lite/redis/helpers/list_helper.rb', line 45

def create!(key, value, order = :prepend)
  if append?(order)
    client.rpushx(key.to_s, value)
  else
    client.lpushx(key.to_s, value)
  end
end

#create_after(key, pivot, value) ⇒ Object 



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# File 'lib/lite/redis/helpers/list_helper.rb', line 77

def create_after(key, pivot, value)
  client.linsert(key.to_s, :after, pivot, value)
end

#create_before(key, pivot, value) ⇒ Object 



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# File 'lib/lite/redis/helpers/list_helper.rb', line 73

def create_before(key, pivot, value)
  client.linsert(key.to_s, :before, pivot, value)
end

#create_limit(key, value, limit, order = :prepend) ⇒ Object 



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# File 'lib/lite/redis/helpers/list_helper.rb', line 53

def create_limit(key, value, limit, order = :prepend)
  if append?(order)
    client.rpush(key.to_s, value)
  else
    client.lpush(key.to_s, value)
  end

  client.ltrim(key.to_s, 0, limit - 1)
end

#create_limit!(key, value, limit, order = :prepend) ⇒ Object 



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# File 'lib/lite/redis/helpers/list_helper.rb', line 63

def create_limit!(key, value, limit, order = :prepend)
  if append?(order)
    client.rpushx(key.to_s, value)
  else
    client.lpushx(key.to_s, value)
  end

  client.ltrim(key.to_s, 0, limit - 1)
end

#destroy(key, count, value) ⇒ Object 



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# File 'lib/lite/redis/helpers/list_helper.rb', line 93

def destroy(key, count, value)
  client.lrem(key.to_s, count, value)
end

#destroy_all(key) ⇒ Object 



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# File 'lib/lite/redis/helpers/list_helper.rb', line 109

def destroy_all(key)
  client.ltrim(key.to_s, -1, 0)
end

#destroy_except(key, start, finish) ⇒ Object 



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# File 'lib/lite/redis/helpers/list_helper.rb', line 105

def destroy_except(key, start, finish)
  client.ltrim(key.to_s, start - 1, finish - 1)
end

#destroy_first(key, limit = 1) ⇒ Object 



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# File 'lib/lite/redis/helpers/list_helper.rb', line 97

def destroy_first(key, limit = 1)
  client.ltrim(key.to_s, limit, -1)
end

#destroy_last(key, limit = 1) ⇒ Object 



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# File 'lib/lite/redis/helpers/list_helper.rb', line 101

def destroy_last(key, limit = 1)
  client.ltrim(key.to_s, 0, -(limit + 1))
end

#find(key, position = 1) ⇒ Object 



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# File 'lib/lite/redis/helpers/list_helper.rb', line 7

def find(key, position = 1)
  client.lindex(key.to_s, position - 1)
end

#first(key, limit = 1) ⇒ Object 



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# File 'lib/lite/redis/helpers/list_helper.rb', line 11

def first(key, limit = 1)
  value = client.lrange(key.to_s, 0, -1)
  return value.first if limit == 1

  value.first(limit)
end

#last(key, limit = 1) ⇒ Object 



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# File 'lib/lite/redis/helpers/list_helper.rb', line 18

def last(key, limit = 1)
  value = client.lrange(key.to_s, 0, -1)
  return value.last if limit == 1

  value.last(limit)
end

#move(key, desination) ⇒ Object 



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# File 'lib/lite/redis/helpers/list_helper.rb', line 85

def move(key, desination)
  client.rpoplpush(key.to_s, desination.to_s)
end

#move_blocking(key, desination) ⇒ Object 



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# File 'lib/lite/redis/helpers/list_helper.rb', line 89

def move_blocking(key, desination)
  brpoplpush(key.to_s, desination.to_s)
end

#pop(key, order = :prepend) ⇒ Object 



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# File 'lib/lite/redis/helpers/list_helper.rb', line 113

def pop(key, order = :prepend)
  if append?(order)
    client.rpop(key)
  else
    client.lpop(key)
  end
end

#pop_blocking(keys, opts = {}) ⇒ Object 



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# File 'lib/lite/redis/helpers/list_helper.rb', line 121

def pop_blocking(keys, opts = {})
  timeout = opts[:timeout] || 0

  if append?(opts[:order] || :prepend)
    client.brpop(keys, timeout)
  else
    client.blpop(keys, timeout)
  end
end

#update(key, index, value) ⇒ Object 



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# File 'lib/lite/redis/helpers/list_helper.rb', line 81

def update(key, index, value)
  client.lset(key.to_s, index, value)
end