Class: Biblioteque::Database

Inherits:
Model
  • Object
show all
Defined in:
lib/biblioteque/database.rb

Instance Attribute Summary collapse

Attributes inherited from Model

#created_at, #id, #name

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Model

generate_id, #save_to_file, #to_hash

Constructor Details

#initialize(params = {}) ⇒ Database

Returns a new instance of Database.



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# File 'lib/biblioteque/database.rb', line 24

def initialize(params = {})
  super
  @libraries = []
  @dbpath = params[:path]
  @loaded = false
  @library = nil
  @to_hash_params = [:id, :name, :updated_at, :created_at]
end

Instance Attribute Details

#path ⇒ Object

Returns the value of attribute path.



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# File 'lib/biblioteque/database.rb', line 3

def path
  @path
end

#updated_at ⇒ Object

Returns the value of attribute updated_at.



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# File 'lib/biblioteque/database.rb', line 3

def updated_at
  @updated_at
end

Class Method Details

.clone(path_source, path_destination) ⇒ Object 



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# File 'lib/biblioteque/database.rb', line 14

def self.clone(path_source, path_destination)
  raise "No" unless path_source || path_destination
  FileUtils.cp(path_source, path_destination)
  true
end

.create(name, path) ⇒ Object 



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# File 'lib/biblioteque/database.rb', line 5

def self.create(name, path)
  raise "No" unless name || path
  new_db = {id:generate_id,name:name,created_at:Time.now,updated_at:Time.now}
  File.open(path,"w+") do |f|
    f.write(new_db.to_json)
  end
  true
end

.destroy(path_source) ⇒ Object 



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# File 'lib/biblioteque/database.rb', line 20

def self.destroy(path_source)
  File.delete(path_source) ? true : false
end

Instance Method Details

#close_library ⇒ Object 



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# File 'lib/biblioteque/database.rb', line 50

def close_library
  @library = nil
end

#create_library(name) ⇒ Object 



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# File 'lib/biblioteque/database.rb', line 33

def create_library(name)
  raise "No" unless name
  lib = Library.create(name, self.id)
  @libraries << lib
  lib
end

#current_library ⇒ Object 



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# File 'lib/biblioteque/database.rb', line 54

def current_library
  @library
end

#delete_library(id) ⇒ Object 



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# File 'lib/biblioteque/database.rb', line 93

def delete_library(id)
  return false unless id.to_i
  libraries.delete_if{|l| l.id == id }
  true
end

#libraries ⇒ Object 



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# File 'lib/biblioteque/database.rb', line 58

def libraries
  @libraries
end

#load ⇒ Object 



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# File 'lib/biblioteque/database.rb', line 62

def load
  json = File.read(@dbpath)
  db = JSON.parse(json)
  self.id = db["id"]
  self.name = db["name"]
  self.path = @dbpath
  self.created_at = db["created_at"]
  self.updated_at = db["updated_at"]
  load_libraries(db["libraries"])
  @loaded = true
end

#load_library(library_id) ⇒ Object 



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# File 'lib/biblioteque/database.rb', line 40

def load_library(library_id)
  @libraries.each do |lib|
    if lib.id == library_id
      @library = lib
      return lib
    end
  end  
  nil
end

#save ⇒ Object 



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# File 'lib/biblioteque/database.rb', line 78

def save
  db = self.to_hash
  db[:libraries] = []
  libraries.each{|l| db[:libraries] << l.to_hash }
  save_to_file(@dbpath ,db.to_json)
end

#search(filter) ⇒ Object 



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# File 'lib/biblioteque/database.rb', line 85

def search(filter)
  results = []
  libraries.each do |l|
    results << {library:l.id,results:l.search(filter)}
  end
  results
end

#status ⇒ Object 



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# File 'lib/biblioteque/database.rb', line 74

def status
  @loaded ? "Loaded" : "Not Loaded"
end