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Commit 57b6f101 authored by Wellington Gabriel Vicente de Souza's avatar Wellington Gabriel Vicente de Souza
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add working model relationships and destroy methods

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T2/models.rb
+ 11
− 4
View file @ 57b6f101
......@@ -4,13 +4,14 @@ ActiveRecord::Base.establish_connection :adapter => "sqlite3",
:database => "steamdb.sqlite3"
class Game < ActiveRecord::Base;
has_one :price
has_one :price, dependent: :destroy
belongs_to :developer
has_and_belongs_to_many :categories
has_many :category_games
has_many :categories, through: :category_games, dependent: :destroy
end
class Developer < ActiveRecord::Base;
has_many :games
has_many :games, dependent: :destroy
end
class Price < ActiveRecord::Base;
......@@ -18,5 +19,11 @@ class Price < ActiveRecord::Base;
end
class Category < ActiveRecord::Base;
has_and_belongs_to_many :games
has_many :category_games
has_many :games, through: :category_games, dependent: :destroy
end
class CategoryGame < ActiveRecord::Base;
belongs_to :category
belongs_to :game
end
\ No newline at end of file
T2/schema.rb
+ 2
− 2
View file @ 57b6f101
......@@ -28,7 +28,7 @@ ActiveRecord::Base.connection.create_table :categories do |t|
t.text :description
end
ActiveRecord::Base.connection.create_table :categories_games, id: false do |t|
ActiveRecord::Base.connection.create_table :category_games, id: false do |t|
t.references :category
t.references :game
end
T2/steamdb.rb
+ 455
− 326
View file @ 57b6f101
......@@ -47,14 +47,14 @@ def insere(tabela, args)
case x[0]
when "name"
if is_a_string(x[1])
game.name = x[1];
game.name = x[1].tr('"','')
else
puts "Erro de Síntaxe: Valor inválido para #{x[0]}!"
error = true
end
when "description"
if is_a_string(x[1])
game.description = x[1]
game.description = x[1].tr('"','')
else
puts "Erro de Síntaxe: Valor inválido para #{x[0]}!"
error = true
......@@ -133,14 +133,14 @@ def insere(tabela, args)
case x[0]
when "name"
if is_a_string(x[1])
category.name = x[1];
category.name = x[1].tr('"','')
else
puts "Erro de Síntaxe: Valor inválido para #{x[0]}!"
error = true
end
when "description"
if is_a_string(x[1])
category.description = x[1]
category.description = x[1].tr('"','')
else
puts "Erro de Síntaxe: Valor inválido para #{x[0]}!"
error = true
......@@ -155,7 +155,7 @@ def insere(tabela, args)
category.save
puts "Linha inserida na tabela #{tabela}."
end
when "categories_games"
when "category_games"
category_game = CategoryGame.new ()
args.each do |x|
x = x.split("=")
......@@ -195,22 +195,28 @@ def exclui(tabela, args)
case tabela
when "developers"
to_be_deleted = Developer.all
puts to_be_deleted
args.each do |x|
x = x.split("=")
case x[0]
when "id"
if (is_a_integer(x[1]))
to_be_deleted = to_be_deleted.select {|delete| delete.id == x[1].to_i}
else
puts "Erro de Síntaxe: Valor inválido para #{x[0]}"
error = true
end
when "name"
if is_a_string(x[1])
to_be_deleted = to_be_deleted.select {|delete| delete.name == x[1].tr('"','')}
else
puts "Erro de Síntaxe: Valor inválido para #{{x[0]}}"
puts "Erro de Síntaxe: Valor inválido para #{x[0]}"
error = true
end
when "country"
if is_a_string(x[1])
to_be_deleted = to_be_deleted.select {|delete| delete.country == x[1].tr('"','')}
else
puts "Erro de Síntaxe: Valor inválido para #{{x[0]}}"
puts "Erro de Síntaxe: Valor inválido para #{x[0]}"
error = true
end
else
......@@ -221,41 +227,47 @@ def exclui(tabela, args)
end
if to_be_deleted.length > 0
to_be_deleted.each do |d|
d.delete
d.destroy
end
end
when "games"
to_be_deleted = Game.all
puts to_be_deleted
args.each do |x|
x = x.split("=")
case x[0]
when "id"
if (is_a_integer(x[1]))
to_be_deleted = to_be_deleted.select {|delete| delete.id == x[1].to_i}
else
puts "Erro de Síntaxe: Valor inválido para #{x[0]}"
error = true
end
when "name"
if is_a_string(x[1])
to_be_deleted = to_be_deleted.select {|delete| delete.name == x[1].tr('"','')}
else
puts "Erro de Síntaxe: Valor inválido para #{{x[0]}}"
puts "Erro de Síntaxe: Valor inválido para #{x[0]}"
error = true
end
when "description"
if is_a_string(x[1])
to_be_deleted = to_be_deleted.select {|delete| delete.country == x[1].tr('"','')}
else
puts "Erro de Síntaxe: Valor inválido para #{{x[0]}}"
puts "Erro de Síntaxe: Valor inválido para #{x[0]}"
error = true
end
when "is_released"
if x[1] === "true" || x[1] === "false"
to_be_deleted = to_be_deleted.select {|delete| (delete.is_released == (x[1] === "true" ? true : false))}
else
puts "Erro de Síntaxe: Valor inválido para #{{x[0]}}"
puts "Erro de Síntaxe: Valor inválido para #{x[0]}"
error = true
end
when "description"
when "developer_id"
if is_a_integer(x[1])
to_be_deleted = to_be_deleted.select {|delete| delete.developer_id == x[1]}
to_be_deleted = to_be_deleted.select {|delete| delete.developer_id == x[1].to_i}
else
puts "Erro de Síntaxe: Valor inválido para #{{x[0]}}"
puts "Erro de Síntaxe: Valor inválido para #{x[0]}"
error = true
end
else
......@@ -266,15 +278,127 @@ def exclui(tabela, args)
end
if to_be_deleted.length > 0
to_be_deleted.each do |d|
d.delete
d.destroy
end
end
when "prices"
to_be_deleted = Price.all
args.each do |x|
x = x.split("=")
case x[0]
when "id"
if (is_a_integer(x[1]))
to_be_deleted = to_be_deleted.select {|delete| delete.id == x[1].to_i}
else
puts "Erro de Síntaxe: Valor inválido para #{x[0]}"
error = true
end
when "price_us"
if is_a_integer(x[1])
to_be_deleted = to_be_deleted.select {|delete| delete.price_us == x[1].to_i}
else
puts "Erro de Síntaxe: valor inválido para #{x[0]}"
error = true
end
when "price_br"
if is_a_integer(x[1])
to_be_deleted = to_be_deleted.select {|delete| delete.price_br == x[1].to_i}
else
puts "Erro de Síntaxe: valor inválido para #{x[0]}"
error = true
end
when "price_ru"
if is_a_integer(x[1])
to_be_deleted = to_be_deleted.select {|delete| delete.price_ru == x[1].to_i}
else
puts "Erro de Síntaxe: valor inválido para #{x[0]}"
error = true
end
when "game_id"
if is_a_integer(x[1])
to_be_deleted = to_be_deleted.select {|delete| delete.game_id == x[1].to_i}
else
puts "Erro de Síntaxe: valor inválido para #{x[0]}"
error = true
end
else
puts "Atributo #{x[0]} não encontrado."
error = true;
end
next
end
if to_be_deleted.length > 0
to_be_deleted.each do |d|
d.destroy
end
end
when "categories"
when "categories_games"
to_be_deleted = Category.all
args.each do |x|
x = x.split("=")
case x[0]
when "id"
if (is_a_integer(x[1]))
to_be_deleted = to_be_deleted.select {|delete| delete.id == x[1].to_i}
else
puts "Erro de Síntaxe: Valor inválido para #{x[0]}"
error = true
end
when "name"
if is_a_string(x[1])
to_be_deleted = to_be_deleted.select {|delete| delete.name == x[1].tr('"','')}
else
puts "Erro de Síntaxe: Valor inválido para #{x[0]}"
error = true
end
when "description"
if is_a_string(x[1])
to_be_deleted = to_be_deleted.select {|delete| delete.name == x[1].tr('"','')}
else
puts "Erro de Síntaxe: Valor inválido para #{x[0]}"
error = true
end
else
puts "Atributo #{x[0]} não encontrado."
error = true;
end
next
end
if to_be_deleted.length > 0
to_be_deleted.each do |d|
d.destroy
end
end
when "category_games"
to_be_deleted = CategoryGame.all
args.each do |x|
x = x.split("=")
case x[0]
when "category_id"
if (is_a_integer(x[1]))
to_be_deleted = to_be_deleted.select {|delete| delete.category_id == x[1].to_i}
else
puts "Erro de Síntaxe: Valor inválido para #{x[0]}"
error = true
end
when "game_id"
if (is_a_integer(x[1]))
to_be_deleted = to_be_deleted.select {|delete| delete.category_id == x[1].to_i}
else
puts "Erro de Síntaxe: Valor inválido para #{x[0]}"
error = true
end
else
puts "Atributo #{x[0]} não encontrado."
error = true;
end
next
end
if to_be_deleted.length > 0
to_be_deleted.each do |d|
d.destroy
end
end
else
puts "Tabela #{tabela} não encontrada."
end
......@@ -290,7 +414,7 @@ def altera(tabela)
when "categories"
when "categories_games"
when "category_games"
else
puts "Tabela #{tabela} não encontrada."
......@@ -301,28 +425,33 @@ def lista(tabela)
case tabela
when "developers"
lista = Developer.all
puts "id|name|country"
lista.each do |l|
puts "#{l.id}|#{l.name}|#{l.country}"
end
when "games"
lista = Game.all
puts "id|name|description|is_released|developer_id"
lista.each do |l|
puts "#{l.id}|#{l.name}|#{l.description}|#{l.is_released}|#{l.developer_id}|#{l.price_id}"
puts "#{l.id}|#{l.name}|#{l.description}|#{l.is_released}|#{l.developer_id}"
end
when "prices"
lista = Price.all
puts "id|price_us|price_br|price_ru|game_id"
lista.each do |l|
puts "#{l.id}|#{l.price_us}|#{l.price_br}|#{l.price_ru}|#{l.game_id}"
end
when "categories"
lista = Category.all
puts "id|name|description"
lista.each do |l|
puts "#{l.id}|#{l.name}|#{l.description}"
end
when "categories_games"
when "category_games"
lista = CategoryGame.all
puts "category_id|game_id"
lista.each do |l|
puts "#{l.id}|#{l.category_id}|#{l.game_id}"
puts "#{l.category_id}|#{l.game_id}"
end
else
puts "Tabela #{tabela} não encontrada."
......
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