Class: DBConnection

Inherits:
Object
  • Object
show all
Defined in:
lib/db_connection.rb

Class Method Summary collapse

Class Method Details

.execute(*args) ⇒ Object 



28
29
30
31
 
# File 'lib/db_connection.rb', line 28

def self.execute(*args)

  instance.execute(*args)
end

.execute2(*args) ⇒ Object 



33
34
35
36
 
# File 'lib/db_connection.rb', line 33

def self.execute2(*args)

  instance.execute2(*args)
end

.instance ⇒ Object 



22
23
24
25
26
 
# File 'lib/db_connection.rb', line 22

def self.instance
  DBConnection.open(DB_FILE) if @db.nil?

  @db
end

.last_insert_row_id ⇒ Object 



38
39
40
 
# File 'lib/db_connection.rb', line 38

def self.last_insert_row_id
  instance.last_insert_row_id
end

.open(db_file_name) ⇒ Object 



4
5
6
7
8
9
10
 
# File 'lib/db_connection.rb', line 4

def self.open(db_file_name)
  @db = SQLite3::Database.new(db_file_name)
  @db.results_as_hash = true
  @db.type_translation = true

  @db
end

.reset ⇒ Object 



12
13
14
15
16
17
18
19
20
 
# File 'lib/db_connection.rb', line 12

def self.reset
  commands = [
    "rm '#{DB_FILE}'",
    "cat '#{SQL_FILE}' | sqlite3 '#{DB_FILE}'"
  ]

  commands.each { |command| `#{command}` }
  DBConnection.open(DB_FILE)
end