/**
 * study信息
 */

module.exports = app => {
  const mongoose = app.mongoose;
  const Schema = mongoose.Schema;
  const SeriesSchema = new Schema({
    SeriesInstanceUID: {
      type: String,
      index: true
    }, //SeriesInstanceUID 一个序列的唯一标识ID
    StudyInstanceUID: {
      type: String
    },
    Modality: {
      type: String,
    },
    SeriesNumber: {
      type: String,
    },
    PatientID: {
      type: String,
    },
    userName: {
      type: String,
    },
    userId: {
      type: String,
    },
    status: {
      type: String,
    },
    meta: {
      createdAt: {
        type: Date,
        default: new Date()
      },
      updatedAt: {
        type: Date,
        default: new Date()
      }
    }
  }, {
    toObject: {
      virtuals: true
    },
    toJSON: {
      virtuals: true
    }
  });
  // 定义虚拟属性是否锁了
  SeriesSchema.virtual("imageNum").get(function () {
    if (this.images_ids) {
      return this.images_ids.length.toString();
    }
  });

  SeriesSchema.pre("save", function (next) {
    if (this.isNew) {
      this.meta.createdAt = this.meta.updatedAt = new Date();
    } else {
      this.meta.updatedAt = new Date();
    }
    next();
  });

  return mongoose.model("Series", SeriesSchema);
};