Class: Jrec::Collection

Inherits:
Object
  • Object
show all
Includes:
PG
Defined in:
lib/jrec/collection.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from PG

#config, #config_file, #env, #exec_func, #exec_params, #pg

Constructor Details

#initialize(schema, table) ⇒ Collection

Returns a new instance of Collection.



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# File 'lib/jrec/collection.rb', line 18

def initialize schema, table
  self.table = table
  self.schema = schema
end

Instance Attribute Details

#schema ⇒ Object

Returns the value of attribute schema.



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# File 'lib/jrec/collection.rb', line 16

def schema
  @schema
end

#table ⇒ Object

Returns the value of attribute table.



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# File 'lib/jrec/collection.rb', line 16

def table
  @table
end

Class Method Details

.[](table) ⇒ Object 



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# File 'lib/jrec/collection.rb', line 12

def self.[]table
  self.tables[table] ||= new(:public,table)
end

.tables ⇒ Object 



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# File 'lib/jrec/collection.rb', line 8

def self.tables
  @@tables ||= {}
end

Instance Method Details

#all ⇒ Object 



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# File 'lib/jrec/collection.rb', line 46

def all
  where({})
end

#count(conds = {}) ⇒ Object 



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# File 'lib/jrec/collection.rb', line 41

def count conds = {}
  exec_func :query, schema, table, {select: 'COUNT(id)'}.merge(conds).to_json
end

#delete_all ⇒ Object 



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# File 'lib/jrec/collection.rb', line 62

def delete_all
  delete({})
end

#find(uuid) ⇒ Object 



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# File 'lib/jrec/collection.rb', line 58

def find uuid
  find_by(uuid: uuid)
end

#find_by(cond) ⇒ Object 



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# File 'lib/jrec/collection.rb', line 54

def find_by cond
  query({where: cond,limit: 1})[1..-2]
end

#where(cond) ⇒ Object 



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# File 'lib/jrec/collection.rb', line 50

def where cond
  query({where: cond})        
end