Work order in production management system

Supported methods are GET, POST.

url: ~/production_work_order

Other reference json schema: object_document, object_variance

{
  "$id": "https://www.igarment.net/schema/json/v1-0/prodcution-work-order.json",
  "title": "Production Work Order",
  "type": "object",
  "properties": {
      // work order header info
      "work_order_no":  { "type": "string" },
      "order_date":     { "type": "string", "format": "date" },
      "factory":        { "type": "string" },
      "style":          { "type": "string" },
      "description":    { "type": "string" },
      "etd_date":      { "type": "string", "format": "date" },            //expect delivery date of factory
      "assortments": { "$ref": "object-variance.json#/$defs/assortment" },
      "userdefs": { "$ref": "object-document.json#/$defs/userdefs" },
      "status":   { "$ref": "object-document.json#/$defs/status" },
      "system":   { "$ref": "object-document.json#/$defs/system" },

       "steps": {
          "type": "array",
          "items": { "$ref": "#/$defs/step" }
      }
  },
  "required": [ "work_order_no", "order_date", "style", "assortments", "steps" ],
  $defs: {
      "step": {
          "type": "object",
          "properties": {
              "step_no":        { "type": "integer" },
              "description":    { "type": "string" },
              "process":        { "type": "string" },
              "part_name":      { "type": "string" },
              "skill_level":    { "type": "integer" },
              "machine_type":   { "type": "string" },
              "smv":            { "type": "number" },
              "cost":           { "type": "number" },
              "cost_unit":      { "type": "number" },
              "next_step":      { "type": "integer" },
          }
      }
  },
}