src/modules/common/users/services/users.base.service.ts

import { userModel } from "../models/user.model";

export abstract class UsersBaseService {
  async find(filterObject) {
    try {
      const resultObject = await userModel.findOne(filterObject).lean();

      if (!resultObject)
        return {
          success: false,
          code: 404,
          error: "No Matching Result Found.",
        };

      return {
        success: true,
        code: 200,
        record: resultObject,
      };
    } catch (err) {
      console.log(`err.message`, err.message);
      return {
        success: false,
        code: 500,
        error: err.message,
      };
    }
  }

  async create(form: any) {
    try {
      if (form.email) {
        form.email = form.email.toLowerCase();
        let user = await this.find({ email: form.email });
        if (user.success)
          return {
            success: false,
            error: "This email already exists",
            code: 409,
          };
      }
      let newUser = new userModel(form);
      await newUser.save();
      return {
        success: true,
        code: 201,
      };
    } catch (err) {
      console.log(`err.message`, err.message);
      return {
        success: false,
        code: 500,
        error: err.message,
      };
    }
  }

  async get(filterObject) {
    try {
      const resultObject = await userModel
        .findOne(filterObject)
        .lean()
        .select("-password");
      if (!resultObject)
        return {
          success: false,
          code: 404,
          error: "No Matching Result Found.",
        };
      return {
        success: true,
        code: 200,
        record: resultObject,
      };
    } catch (err) {
      console.log(`err.message`, err.message);
      return {
        success: false,
        code: 500,
        error: err.message,
      };
    }
  }

  async list(filterObject) {
    try {
      const resultArray = await userModel
        .find(filterObject)
        .lean()
        .select("-password");

      if (!resultArray)
        return {
          success: false,
          code: 404,
          error: "No Matching Result Found.",
        };
      const count = await userModel.countDocuments(filterObject);
      return {
        success: true,
        code: 200,
        record: resultArray,
        count,
      };
    } catch (err) {
      console.log(`err.message`, err.message);
      return {
        success: false,
        code: 500,
        error: "Unexpected Error Happened.",
      };
    }
  }
}