ptb-be/model/waJob.model.js

const mongoose = require('mongoose')
const { Schema } = mongoose

module.exports = mongoose.model(
  'WaJob',
  new Schema(
    {
      templateId: { type: String, required: true },
      contacts: { type: Array, default: [] },
      body: { type: Array, default: [] },
      buttons: { type: Array, default: [] },
      context: { type: String, default: '' },
      status: {
        type: String,
        enum: ['pending', 'processing', 'sent', 'failed'],
        default: 'pending',
        index: true,
      },
      attempt: { type: Number, default: 0 },
      nextRunAt: { type: Date, default: Date.now, index: true },
      claimedAt: { type: Date, default: null },
      lastError: { type: String, default: null },
      response: { type: Schema.Types.Mixed, default: null },
    },
    { timestamps: true }
  ),
  'wa_job'
)