charges-with-nil-component-ids.rb

###### New Business
transactions: [
  Charge.new(
    product_id: 1,
    component_id: nil,
    kind: "baseline",
    amount_in_cents: 100_00,
    memo: "Essential",
  ),
  Charge.new(
    product_id: 1,
    component_id: nil,
    kind: "quantity_based_component",
    amount_in_cents: 20_00,
    memo: "390 Paying Customers",
  )
]

# resulting subscription.items =>
items: [
  {
    product_id: 1,
    component_id: 0,
    name: "Advanced",
    mrr: 120_00,
    quantity: 1,
    mrr_movements: [{ amount: 120_00, category: "new_business" }],
  },
]





###### Customer downgrades to 240 Paying Customers (Qty Based Component)
transactions: [
  Charge.new(
    product_id: 1,
    component_id: nil,
    kind: "baseline",
    amount_in_cents: 100_00,
    memo: "Essential",
  ),
  Charge.new(
    product_id: 1,
    component_id: nil,
    kind: "quantity_based_component",
    amount_in_cents: 15_00,
    memo: "240 Paying Customers",
  )
]

# resulting subscription.items =>
items: [
  {
    product_id: 1,
    component_id: 0,
    name: "Advanced",
    mrr: 115_00,
    quantity: 1,
    mrr_movements: [{ amount: -5_00 category: "contraction" }],
  },
]





###### Customer upgrades to 500 Paying Customers (Qty Based Component WITH ID),
transactions: [
  Charge.new(
    product_id: 1,
    component_id: nil,
    kind: "baseline",
    amount_in_cents: 100_00,
    memo: "Essential",
  ),
  Charge.new(
    product_id: 1,
    component_id: 3,
    kind: "quantity_based_component",
    amount_in_cents: 25_00,
    memo: "500 Paying Customers",
  )
]

# resulting subscription.items =>
items: [
  {
    product_id: 1,
    component_id: 0,
    name: "Advanced",
    mrr: 100_00,
    quantity: 1,
    mrr_movements: [{ amount: -15_00 category: "contraction" }],
  },
  {
    product_id: 1,
    component_id: 3,
    name: "500 Paying Customers",
    mrr: 25_00,
    quantity: 1,
    mrr_movements: [{ amount: 25_00 category: "new_business" }],
  },
]