definma-api/src/routes/validate/sample.ts

import Joi from '@hapi/joi';

import IdValidate from './id';
import UserValidate from './user';
import MaterialValidate from './material';
import MeasurementValidate from './measurement';

export default class SampleValidate {
  private static sample = {
    number: Joi.string()
      .max(128),

    color: Joi.string()
      .max(128),

    type: Joi.string()
      .max(128),

    batch: Joi.string()
      .max(128)
      .allow(''),

    condition: Joi.object(),

    notes: Joi.object({
      comment: Joi.string()
        .max(512)
        .allow(''),

      sample_references: Joi.array()
        .items(Joi.object({
          sample_id: IdValidate.get(),

          relation: Joi.string()
            .max(128)
        })),

      custom_fields: Joi.object()
        .pattern(/.*/, Joi.alternatives()
          .try(
            Joi.string().max(128),
            Joi.number(),
            Joi.boolean(),
            Joi.date()
          )
        )
    }),

    added: Joi.date()
      .iso()
      .min('1970-01-01T00:00:00.000Z')
  };

  private static sortKeys = [
    '_id',
    'color',
    'number',
    'type',
    'batch',
    'added',
    'material.name',
    'material.supplier',
    'material.group',
    'material.mineral',
    'material.glass_fiber',
    'material.carbon_fiber',
    'material.number'
  ];

  private static fieldKeys = [
    ...SampleValidate.sortKeys,
    'condition',
    'material_id',
    'note_id',
    'user_id',
    'material._id',
    'material.numbers'
  ];

  static input (data, param) {  // validate input, set param to 'new' to make all attributes required
    if (param === 'new') {
      return Joi.object({
        color: this.sample.color.required(),
        type: this.sample.type.required(),
        batch: this.sample.batch.required(),
        condition: this.sample.condition.required(),
        material_id: IdValidate.get().required(),
        notes: this.sample.notes.required()
      }).validate(data);
    }
    else if (param === 'change') {
      return Joi.object({
        color: this.sample.color,
        type: this.sample.type,
        batch: this.sample.batch,
        condition: this.sample.condition,
        material_id: IdValidate.get(),
        notes: this.sample.notes,
      }).validate(data);
    }
    else if (param === 'new-admin') {
      return Joi.object({
        number: this.sample.number,
        color: this.sample.color.required(),
        type: this.sample.type.required(),
        batch: this.sample.batch.required(),
        condition: this.sample.condition.required(),
        material_id: IdValidate.get().required(),
        notes: this.sample.notes.required()
      }).validate(data);
    }
    else {
      return{error: 'No parameter specified!', value: {}};
    }
  }

  static output (data, param = 'refs+added') {  // validate output and strip unwanted properties, returns null if not valid
    if (param === 'refs+added') {
      param = 'refs';
      data.added = data._id.getTimestamp();
    }
    data = IdValidate.stringify(data);
    let joiObject;
    if (param === 'refs') {
      joiObject = {
        _id: IdValidate.get(),
        number: this.sample.number,
        color: this.sample.color,
        type: this.sample.type,
        batch: this.sample.batch,
        condition: this.sample.condition,
        material_id: IdValidate.get(),
        material: MaterialValidate.outputV(),
        note_id: IdValidate.get().allow(null),
        user_id: IdValidate.get(),
        added: this.sample.added
      };
    }
    else if(param === 'details') {
      joiObject = {
        _id: IdValidate.get(),
        number: this.sample.number,
        color: this.sample.color,
        type: this.sample.type,
        batch: this.sample.batch,
        condition: this.sample.condition,
        material: MaterialValidate.outputV(),
        measurements: Joi.array().items(MeasurementValidate.outputV()),
        notes: this.sample.notes,
        user: UserValidate.username()
      }
    }
    else {
      return null;
    }
    const {value, error} = Joi.object(joiObject).validate(data, {stripUnknown: true});
    return error !== undefined? null : value;
  }

  static query (data) {
    return Joi.object({
      status: Joi.string().valid('validated', 'new', 'all'),
      'from-id': IdValidate.get(),
      'to-page': Joi.number().integer(),
      'page-size': Joi.number().integer().min(1),
      sort: Joi.string().pattern(new RegExp('^(' + this.sortKeys.join('|').replace(/\./g, '\\.') + ')-(asc|desc)$', 'm')).default('_id-asc'),
      csv: Joi.boolean().default(false),
      fields: Joi.array().items(Joi.string().valid(...this.fieldKeys)).default(['_id','number','type','batch','material_id','color','condition','note_id','user_id','added'])
    }).with('to-page', 'page-size').validate(data);
  }
}