Class: PGAdaptor

Inherits:
Object
  • Object
show all
Defined in:
lib/pg_adaptor.rb,
lib/pg_adaptor/version.rb

Constant Summary collapse

VERSION = 
"0.0.12"

Class Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name, klass) ⇒ PGAdaptor

Returns a new instance of PGAdaptor.



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# File 'lib/pg_adaptor.rb', line 10

def initialize name, klass
  @name = name
  @table = self.class.db[name.to_sym]
  @klass = klass
end

Class Attribute Details

.db ⇒ Object

Returns the value of attribute db.



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# File 'lib/pg_adaptor.rb', line 7

def db
  @db
end

Instance Method Details

#fetch(selector = {}, *args) ⇒ Object 



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# File 'lib/pg_adaptor.rb', line 29

def fetch selector = {}, *args
  build @table.select(*fields).where(selector, *args).first
end

#find(selector = {}, *args) ⇒ Object 



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# File 'lib/pg_adaptor.rb', line 37

def find selector = {}, *args
  @table.select(*fields).where(selector, *args).map { |row| build row }
end

#insert(model) ⇒ Object 



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# File 'lib/pg_adaptor.rb', line 16

def insert model
  @table.insert process(model)
end

#remove(selector = {}) ⇒ Object 



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# File 'lib/pg_adaptor.rb', line 33

def remove selector = {}
  @table.where(selector).delete
end

#update(model, query = { id: model.id }) ⇒ Object 



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# File 'lib/pg_adaptor.rb', line 25

def update model, query = { id: model.id }
  @table.where(query).update process(model)
end

#upsert(model, opts = { field: :id }) ⇒ Object 



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# File 'lib/pg_adaptor.rb', line 20

def upsert model, opts = { field: :id }
  values = process model
  @table.insert_conflict(target: opts[:field], update: values).insert values
end