我正在用Ruby on Rails制作一个在线图书馆系统。目前用户可以注册,但要这样做,他们必须首先选择一种订阅计划类型。
最后,我发现这样做的最好方法是通过这样的plan_id
:
config/routes.rb
get 'subscribe/paperback2u', to: 'members#new', :plan_id => 1
get 'subscribe/paperback4u', to: 'members#new', :plan_id => 2
get 'subscribe/paperback6u', to: 'members#new', :plan_id => 3
然后,members/new.html.erb
拉form
部分,如下所示:
<%= form_with(model: member, local: true) do |form| %>
<% plan_id = params[:plan_id] %>
<div class="field form-group">
<%= form.label :first_name, "First Name" %>
<%= form.text_field :first_name,
id: :member_first_name,
:class => "form-control",
:required => true %>
</div>
<div class="field form-group">
<%= form.label :last_name, "Last Name" %>
<%= form.text_field :last_name,
id: :member_last_name,
:class => "form-control",
:required => true %>
</div>
<div class="field form-group">
<%= form.label :address_line_1, "Address Line 1" %>
<%= form.text_field :address_line_1,
id: :member_address_line_1,
:class => "form-control",
:required => true %>
</div>
<div class="field form-group">
<%= form.label :address_line_2, "Address Line 2" %>
<%= form.text_field :address_line_2,
id: :member_address_line_2,
:class => "form-control" %>
</div>
<div class="field form-group">
<%= form.label :town %>
<%= form.text_field :town,
id: :member_town,
:class => "form-control",
:required => true %>
</div>
以及杆件模型的其他字段。
然后我们得到:
98 <%= form.hidden_field :plan_id, value: params[:plan_id] %>
100 <% if form.object.new_record? %>
101 <%= render 'stripe-form' %>
102 <% end %>
老实说,我不认为line 98
在做任何事情。
然后stripe-form
部分如下所示:
1 <div class="text-center">
2 <script src="https://checkout.stripe.com/checkout.js" class="stripe-button btn-primary"
3 data-key="<%= Rails.configuration.stripe[:publishable_key] %>"
4 data-description="Subscribe to ReadAll Library"
5 data-amount=<%= (Plan.find(params["plan_id"].to_i).display_price) * 100 %>
6 data-currency="gbp"
7 data-panelLabel="Subscribe for"
8 data-label="Subscribe"
9 data-locale="auto"></script>
10 </div>
我得到的错误是:
Error:
MembersControllerTest#test_should_get_new:
ActionView::Template::Error: Couldn't find Plan with 'id'=1
app/views/members/_stripe-form.html.erb:5:in `_app_views_members__stripe_form_html_erb___374722773566915779_70180218242520'
app/views/members/_form.html.erb:101:in `block in _app_views_members__form_html_erb__2640496602018942691_70180179508500'
app/views/members/_form.html.erb:1:in `_app_views_members__form_html_erb__2640496602018942691_70180179508500'
app/views/members/new.html.erb:5:in `_app_views_members_new_html_erb___3025732295195500162_70180218177380'
test/controllers/members_controller_test.rb:16:in `block in <class:MembersControllerTest>'
如果我在测试中添加puts response.body
,我得到的错误是:"计划必须存在"。它做到了!我的plans
表中有 3 个不同的计划。每个都有一个ID,当我实际运行它时,一切正常。这只是测试不起作用。如果可以的话,我会放弃测试,但我需要它作为项目的文档。
最后,这是我的Plan.rb
和Member.rb
`plan.rb`
class Plan < ApplicationRecord
has_many :members
end
`member.rb`
class Member < User
1 require 'stripe'
2
3 before_save :set_type
4
5 belongs_to :plan
6
7
8 def set_type
9 self.type = "Member"
10 end
11
12 end
以及两者的架构:
create_table "plans", force: :cascade do |t|
t.string "stripe_id"
t.string "nickname"
t.decimal "display_price"
t.datetime "created_at", null: false
t.datetime "updated_at", null: false
t.string "product"
end
create_table "users", force: :cascade do |t|
bunch of user attributes (first_name, address, etc)
t.string "type" (members is a users type)
t.datetime "created_at", null: false
t.datetime "updated_at", null: false
t.string "remember_digest"
t.string "customer_id"
t.bigint "plan_id"
t.index ["email"], name: "index_users_on_email", unique: true
t.index ["plan_id"], name: "index_users_on_plan_id"
end
我没主意了。我很感激你们能给我的任何帮助。干杯。
在您看来,如果您希望用户从窗体中进行选择,您可以添加选择输入,并让用户选择他们想要的计划。但是,您有可能通过URL传递此信息,就像您已经做的那样。
视图:
<%= form_with(model: member, local: true) do |form| %>
<div class="field form-group">
<%= form.label :first_name, "First Name" %>
<%= form.text_field :first_name,
id: :member_first_name,
:class => "form-control",
:required => true %>
</div>
<div class="field form-group">
<%= form.label :plan, "Choose your plan" %>
<%= form.select :plan_id,
Plan.all {|p| [ p.name, p.id ]},
{ include_blank: false, selected: form.object.plan_id }, class: 'form-control' %>
</div>
<%= f.submit "Salvar", class: "btn btn-primary" %>
<% end %>
我相信其余的你已经做到了。在控制器中,您将plan_id添加到参数白名单中,在模型中,您将模型关系添加为has_many和归属。PS:我没有测试这个。