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Nodemi

Boilerplate for nodejs. base on express js.

Getting Started

  • Clone this repo https or SSH

Clone and move to directory project and run npm install

   git clone git@github.com:Mamena2020/nodemi.git

  • Create database

Create database mysql or pgsql.

   #mysql example

   mysql -u root -p
   # enter your password

   create database mydatabase;

   # ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   #pgsql example

   createdb -h localhost -p 5432 -U myPgUser mydatabase

  • Setup .env

After creating your database, you can fill in the .env file and start your code.

   cp .env.example .env

Model

  • Create new model via cli.

   npx nodemi make:model Product

The model will be created in the models directory.


   import { Model, DataTypes } from "sequelize";
   import db from "../core/database/Database.js"

   class Product extends Model {}
   Product.init({
        name: {
          type: DataTypes.STRING,
          allowNull: false
        },
      }, {
        sequelize: db,
        tableName: 'products',
        modelName: 'Product',
        timestamps: true
      }
   );

   export default Product

Automatically registered in the loadModels function in the models/Models.js file.


   const loadModels = async () => {

      await Product.sync({
          alter: true, // not recomended on production mode
      })

       ....

Full documentation of ORM

  • Noted

All relationships between models should be defined in the loadModels function. When a model is removed from the models directory, it is important to also remove its corresponding relationship from the loadModels function in the models/Models.js file.

Media

Any model can own media by binding the model to the media inside the loadModels function using hasMedia(YourModel).


   const loadModels = async () => {

      await Product.sync({
          alter: true, // not recomended on production mode
      })

      await hasMedia(Product)

  • Save a file

After binding model using hasMedia(YourModel), then your model will able to save a file using instance.saveMedia(file,mediaName). If the instance already has a file with the same name, then the file will be replaced with a new file.


   const product = await Product.findOne({
       where: {
             id: 1
       }
   })

   await product.saveMedia(req.body.file,"thumbnail") // if success then will return media object

You can save files to either Local storage or Firebase storage.

To save to Local storage, just set your .env file MEDIA_STORAGE=local , and local storage directory name MEDIA_LOCAL_STORAGE_DIR_NAME=storage.

   MEDIA_STORAGE=local
   MEDIA_LOCAL_STORAGE_DIR_NAME=storage

To save to Firebase storage, first create your Service Account .json on firebase Firebase Console, and download and convert to base64 string, then setup the .env file.

   MEDIA_STORAGE=firebase  # set to firebase
   FIREBASE_STORAGE_BUCKET=gs://xxxxxx.appspot.com  # your firebase storage bucket
   FIREBASE_SERVICE_ACCOUNT_BASE64= # base64 string of your firebase service account .json
  • Get media

Get all media by calling instance.getMedia().


   const product = await Product.findOne({
       where: {
             id: 1
       }
   })

   product.getMedia() // return list of object


Get media by name, params is media name

    product.getMediaByName("thumbnail") // return single object
    product.getMediaByName("thumbnail").url // return single object url

Get media first media

    product.getFirstMedia()       // return single object
    product.getFirstMedia().url   // return first media url

Get media with exception, params can be string or array of string

    product.getMediaExcept("thumbnail_mobile")  // return list of object with exception

Get all media url,

    product.getMediaUrl()  // return list of media url

Get all media url with exception, params can be string or array of string

    product.getMediaUrlExcept(['thumbnail_mobile'])  // return list of url

Get url from media object

    product.getFirstMedia().getUrl()

  • Destroy media

Destroy media by calling instance.destroyMedia(mediaName). return status deleted in boolean


   const product = await Product.findOne({
       where: {
             id: 1
       }
   })

   await product.destroyMedia("thumbnail")

  • Noted

All media files will be automatically deleted whenever instance of your model is deleted.

Request & Upload Files

Handling Content-Type header for

  - application/json
  - application/form-data
  - application/x-www-form-urlencoded

Handling all upload files on POST and PUT method, and nested fields.

  • File properties

Uploaded file will have this properties.


     name           -> file name,
     encoding       -> file encoding,
     type           -> file mimeType,
     size           -> file size,
     sizeUnit       -> file size in bytes
     extension      -> file extension
     tempDir        -> file temporary directory

Rule Validation

  • Create Request validation via cli.

   npx nodemi make:request ProductRequest

The Request will be created in the requests directory.


   import RequestValidation from "../core/validation/RequestValidation.js"

   class ProductRequest extends RequestValidation {

       constructor(req) {
           super(req).load(this)
       }

        /**
        * Get the validation rules that apply to the request.
        *
        * @return object
        */
       rules() {
           return {

           }
       }
    }

    export default ProductRequest

  • Basic usage.


   const request = new ProductRequest(req)

   await request.check()

   if (request.isError)
      return request.responseError(res) // or  return res.status(422).json(request.errors)

  • Example html form.


   <form action="endpoint" method="post" enctype="multipart/form-data">
      <div class="row justify-content-center d-flex">

         <div class="col-md-10">
             <label>Item</label>
             <input type="text" name="name" placeholder="name" />
             <input type="text" name="discount" placeholder="discount" />
             <input type="date" name="expired_date" placeholder="expired date" />
             <input type="file" name="product_image" placeholder="file" />
         </div>
         <div class="col-md-10">
             <label>Item 1</label>
             <input type="text" name="item[0][name]" placeholder="name" />
             <input type="text" name="item[0][description]" placeholder="description" />
             <input type="text" name="price[0]" placeholder="price " />
         </div>
         <div class="col-md-10 mt-5">
             <label>Item 2</label>
             <input type="text" name="item[1][name]" placeholder="name" />
             <input type="text" name="item[1][description]" placeholder="description" />
             <input type="text" name="price[1]" placeholder="price" />
         </div>
          <div class="col-md-10 mt-5">
             <input type="text" name="comments[]" />
             <input type="text" name="comments[]" />
             <input type="text" name="comments[]" />
         </div>
          <div class="col-md-10 mt-5">
             <input type="text" name="seo[title]" value="" placeholder="seo title" />
             <input type="text" name="seo[description][long]" value="" placeholder="seo long desc" />
             <input type="text" name="seo[description][short]" value="" placeholder="seo short desc" />
         </div>


         <div class="col-md-10 my-2 ">
             <button class="float-end btn btn-primary" type="submit">Submit</button>
         </div>

      </div>
   </form>

  • Example rules


   rules() {
     return {
         "name": {
             "rules": ["required"]
         },
         "discount": {
             "rules": ["required", "float", "min:3", "max:4"]
         },
         "expired_date": {
             "rules": ["required", "date", "date_after:now"]
         },
         "product_image": {
             "rules": ["required", "image", "max_file:1,MB"]
         },
         "item.*.name": {
             "rules": ["required"]
         },
         "item.*.description": {
             "rules": ["required"]
         },
         "price.*": {
             "rules": ["required", "float"]
         },
         "comments.*": {
             "rules": ["required"]
         },
         "seo.title": {
             "rules": ["required"]
         },
         "seo.description.long": {
             "rules": ["required"]
         },
         "seo.description.short": {
             "rules": ["required"]
         }
     }
   }

  • Example error messages


   {
     "errors": {
          "name": [
            "The Name is required"
          ],
          "discount": [
            "The Discount is required",
            "The Discount must be valid format of float",
            "The Discount should be more or equal than 3",
            "The Discount should be less or equal than 4"
          ],
          "expired_date": [
            "The Expired date is required",
            "The Expired date must be valid format of date",
            "The Expired date date must be after the now's date"
          ],
          "product_image": [
            "The Product image is required"
          ],
          "item.0.name": [
            "The Item.0.name is required"
          ],
          "item.1.name": [
            "The Item.1.name is required"
          ],
          "item.0.description": [
            "The Item.0.description is required"
          ],
          "item.1.description": [
            "The Item.1.description is required"
          ],
          "price.0": [
            "The Price.0 is required",
            "The Price.0 must be valid format of float"
          ],
          "price.1": [
            "The Price.1 is required",
            "The Price.1 must be valid format of float"
          ],
          "comments.0": [
            "The Comments.0 is required"
          ],
          "comments.1": [
            "The Comments.1 is required"
          ],
          "comments.2": [
            "The Comments.2 is required"
          ]
          "seo.title": [
            "The Seo.title is required"
          ],
          "seo.description.long": [
            "The Seo.description.long is required"
          ],
          "seo.description.short": [
            "The Seo.description.short is required"
          ]
      }
   }

  • Basic rules

    Rule Description Example
    required check empty value "required"
    email check email formats "email"
    match check match value with other value "match:password"
    exists check value exists in the database "exists:users,email" or "exists:users,email,"+super.body.id
    unique check value is unique in database "unique:users,email" or "unique:users,email,"+super.body.id
    string check value is an string "string"
    float check value is an float "float"
    integer check value is an ineteger "integer"
    max count maximum value of numeric, "max:12"
    if string/array its count the length
    min count minimum value of numeric, "min:5"
    if string/array its count the length
    date check value is date format "date"
    array check value is an array "array"
    mimetypes check file mimetypes "mimetypes:image/webp,image/x-icon,video/mp4"
    mimes check file extension "mimes:jpg,png,jpeg"
    max_file check maximum file size, "max_file:1,GB" or "max_file:1,MB" or "max_file:1,Byte"
    param can be GB, MB, KB or Byte
    image check file is an image format "image"
    date_after check value after particular date "date_after:now" or "date_after:birthdate"
    param can be now, or other field name
    date_after_or_equal check value after or equal particular date "date_after_or_equal:now"
    param can be now, or other field name
    date_before check value before particular date "date_before:now" or "date_before:birthdate"
    param can be now, or other field name
    date_before_or_equal check value before or equal particular date "date_before_or_equal:now"
    param can be now, or other field name
    boolean check value is an boolean "boolean"
    in_array check value exist in array "in_array:1,3,4,1,4,5"
    not_in_array check value is not include in array "not_in_array:1,3,4,1,4,5"
    ip check value is as ip address "ip"
    url check value is as url "url"
    json check value is as json format "json"
    digits check value digits, "digits:4"
    max_digits check maximum digits of value "max_digits:20"
    min_digits check minumum digits of value "min_digits:20"
    digits_between check digits bewteen of value "digits_between:5,10"
    age_lt check value is less than param "age_lt:17"
    value must be an date format
    age_lte check value is less than or equal to param "age_lte:17"
    value must be an date format
    age_gt check value is greater than param "age_gt:17"
    value must be an date format
    age_gte check value is greater than or equal to param "age_gte:17"
    value must be an date format
  • Custom

Custom validation messages and attribute


    rules() {
        return {
                "name": {
                    "rules": ["required"],
                    "attribute": "Product name"
                },
                "discount": {
                    "rules": ["required", "float", "min:3", "max:4"],
                    "messages": {
                        "required": "The _attribute_ need discount",
                        "float": "The data must be numeric"
                    },
                    "attribute": "DISCOUNT"
                }
            }
    }

  • Direct add error messages

Direct add error message required key and error message.

    const request = new ProductRequest(req)
    await request.check()

    if (request.isError)
    {
        request.addError("name","Name have to .....")
        request.addError("name","Name must be .....")


Custom Rule

  • Create Custom Rule via cli.

   npx nodemi make:rule GmailRule

The Rule will be created in the rules directory.

    class GmailRule  {

        constructor() {
        }

        /**
        * Determine if the validation rule passes.
        * @param {*} attribute
        * @param {*} value
        * @returns bolean
        */
        passes(attribute, value) {

            return value.includes("@gmail.com")
        }

        /**
        * Get the validation error message.
        *
        * @return string
        */
        message() {
            return 'The _attribute_ must be using @gmail.com'
        }
   }

   export default GmailRule

  • Custom rule usage

    rules() {
        return {
                "email": {
                    "rules": [ new GmailRule, "required","email" ]
                }
            }
    }
  • Noted

Default error messages outputs are dependent on the locale. If you haven't set up the locale as a middleware, it will be set to English en by default.

Role and Permissions

A user model can have a role by binding using hasRole(YourModel) function inside loadModels in models/Models.js file.


   const loadModels = async () => {

      await User.sync()

      await hasRole(User)

  • Set users role

If the user instance already has a role, then the user role will be replaced with a new role. instance.setRole(params) params can be role id or name, and will return status in boolean.


   const user = await User.create({
         name: name,
         email: email,
         password: hashPassword
   })

   await user.setRole("customer") // params is role id or name

  • Get role

Get role object by calling instance.getRole(), or direcly access role name instance.getRole().name.


   user.getRole() // role object
   user.getRole().name // role name


  • Get permissions

Get permission by calling instance.getPermissions() will get array of object, or instance.getPermissionsName() will get array of permissions name.


   user.getPermissions()     //  array of permissions object
   user.getPermissionsName() //  array of permissions name [ "user-create","user-stored"]

  • Remove role


   user.removeRole()

  • Check user access

Limitation user access using GateAccess(userInstance,permissionNames), permissionNames must be an array of permission names.


    if (!GateAccess(user, ["user-create","user-stored","user-access"]))
        return res.sendStatus(403) // return forbidden status code

  • Add permissions


   const permissions = [
       "user-create",
       "user-stored",
       "user-edit",
       "user-update",
       "user-delete",
       "user-search"
   ]

    for (let permission of permissions) {
        await Permission.create({ name: permission })
    }

  • Add Role


    const roles = [ "admin","customer" ]

    for (let role of roles) {
        await Role.create({ name: role })
    }

  • Assigning Permissions to Roles

Assign permissions to a role by using roleInstance.assignPermissions(params), params can be a list of permissions name or id.


    const permissions = [
       "user-create",
       "user-stored"
    ]

    const admin = await Role.findOne({ where: { name: "admin" } })

    if (admin) {
        await admin.assignPermissions(permissions)
    }

Resource

  • Create new resource via cli.

   npx nodemi make:resource UserResource

The Resource will be created in resources directory.


   import Resource from "../core/resource/Resource.js"
   class UserResource extends Resource {
       constructor() {
           super().load(this)
       }

       /**
        * Transform the resource into custom object.
        *
        * @return
        */
       toArray(data) {
            return {}
       }
    }

    export default UserResource

  • Basic usage

To create resources from a single object use make or collection for an array of objects.


     const userResource = new UserResource().make(user) // for single object

     const userResources = new UserResource().collection(users) // for array of object

  • Example user resource


   class UserResource extends Resource {
       constructor() {
           super().load(this)
       }

       toArray(data) {
           return {
                     "id": data.id,
                     "name": data.name,
                     "email": data.email,
                     "image": data.getMediaByName("avatar")?.url ?? '',
                     "role": data.getRole()?.name ?? '',
                     "permissions": new PermissionResource().collection(data.getPermissions() ?? []),
                 }
       }
    }

  • Example permissions resource


   class PermissionResource extends Resource {
       constructor() {
             super().load(this)
         }

         toArray(data) {
             return {
                 "id": data.id,
                 "name": data.name
             }
       }
   }

  • Example usage


   const user = await User.findOne({
       where: {
             id: 1
       }
   })

   const userResource = new UserResource().make(user)

   res.json(userResource)

  • Example result


   {
       "id": 1,
       "name": "Andre",
       "email": "andre@gmail.com",
       "image": "http://localhost:5000/User-1/287d735a-2880-4d4f-9851-5055d1ba1aae.jpg",
       "role": "customer",
       "permissions": [
           {
               "id": 1,
               "name": "user-create"
           },
           {
               "id": 2,
               "name": "user-stored"
           }
       ]
   }

Auth Jwt

  • Create token

Create token by calling JwtAuth.createToken(), that will return refreshToken and accessToken.

   const payload = {
         id: user.id,
         name: user.name,
         email: user.email
     }

   const token = JwtAuth.createToken(payload)

   console.log(token.refreshToken)
   console.log(token.accessToken)


  • Regenerate access token

Regenerate access token by calling JwtAuth.regenerateAccessToken(refreshToken), that will return new access token.


   const accessToken = JwtAuth.regenerateAccessToken(refreshToken)

  • Get Auth user

Get authenticated user by calling JwtAuth.getUser(req), that will get user by refresh token on request cookies.


   const user = await JwtAuth.getUser(req)

Or you just setup the .env AUTH_GET_CURRENT_USER_ON_REQUEST=true and you can access current authenticated user by access req.user.

Before using JwtAuth.GetUser(), ensure that you have set up your User model inside the AuthConfig in the core/config/Auth.js file. It is crucial that your User model has a refresh_token column, as JwtAuth.GetUser() will retrieve the user instance based on the refresh_token by default. However, if you prefer to retrieve the current authenticated user in a different manner, you can modify the JwtAuth.GetUser() function to suit your needs in core/auth/JwtAuth.js file.

   class AuthConfig {

       /**
       * Default user model for auth
       * @returns
       */
       static user = User
  • Use Middleware - Auth Jwt

For secure access to controller by adding JwtAuthPass to your router.

   import JwtAuthPass from '../core/middleware/JwtAuthPass.js';

   routerAuth.use(JwtAuthPass)
   routerAuth.get("/upload", UserController.upload)

   app.use("/api",routerAuth)

Header Request

    Authorization: 'Bearer ' + accessToken
  • Use Middleware - Basic auth

For secure access to controller by adding BasicAuthPass to your router.

   import BasicAuthPass from '../core/middleware/BasicAuthPass.js';

   routerAuth.use(BasicAuthPass)
   routerAuth.get("/upload", UserController.upload)

   app.use("/api",routerAuth)

Before using this, make sure already set username and password for basic auth in .env file.

    AUTH_BASIC_AUTH_USERNAME=myBasicUsername
    AUTH_BASIC_AUTH_PASSWORD=myBasicPassword

Header Request

    Authorization: 'Basic ' + encodeBase64(myBasicUsername+':'+myBasicPassword)

Locale

  • Config

Setup locale in core/config/Locale.js. by default locale setup to english en, support locale of english, indonesian, spanish, hindi, portuguese, russian, chinese, japanese,


    defaultLocale: "en",
    useLocale: useLocale,
    locales: ["en", "id"]

You can add more locale Code to locales. By default locales are only available for English en, and for Indonesia id.

  • Default validation error Messages

After adding additional locales, it is important to update the validation error messages in the core/locale/LangValidation.js file, as the messages generated will depend on the selected locale.


   const langValidation = Object.freeze({
       required: {
           en: "The _attribute_ is required",
           id: "_attribute_ wajib di isi",
         //ja: "_attribute_ ........."  -> adding new validation messages for code ja
       },
       email: {
           en: "The _attribute_ must in E-mail format",
           id: "_attribute_ harus dalam format E-mail",
       },
       match: {
           en: "The _attribute_ must be match with _param1_",
           id: "_attribute_ harus sama dengan _param1_"
       },
       ......

  • Use Locale

Its easy to use locale, just setup .env LOCALE_USE=true, then this will effect to all routes, so that have to has a params for locale, for the API router it should be /api/:locale and for the web router it should be /:locale.


   // example for api route
   const routerAuth = express.Router()

   routerAuth.use(JwtAuthPass)
   routerAuth.get("/user", UserController.getUser)
   routerAuth.post("/upload", UserController.upload)s

   app.use("/api/:locale", routerAuth)

   // http://localhost:5000/api/en/endpoint |  http://localhost:5000/api/id/endpoint

If you don't want to set the locale for all routes, only for a particular route, then simply set up the .env as LOCALE_USE=false. Then you can use the LocalePass middleware directly to your route.


   // example for web route
   app.get("/:locale",LocalePass, (req, res) => {

   // http://localhost:5000/en | http://localhost:5000/id


   // example for api route
   app.get("/api/:locale/login",LocalePass, (req, res) => {

   // http://localhost:5000/api/en/login | http://localhost:5000/api/id/login

  • Noted

All routers that using LocalePass will have the locale Code on req, accessible via req.locale.

Mail

Create mail via cli.

   npx nodemi make:mail AccountVerify

The mail will be created in the mails directory, with examplefile.txt and template.ejs


   import Mail from "../../core/mail/Mail.js"

   class AccountVerify extends Mail {
         constructor(from = String, to = [], subject = String) {
             super().load({
                 from: from,
                 to: to,
                 subject: subject,
                 text: "Just need to verify that this is your email address.",
                 attachments: [
                     {
                         filename: "theFile.txt",
                         path: "mails/AccountVerify/examplefile.txt"
                     },
                 ],
                 html: {
                     path: "mails/AccountVerify/template.ejs",
                     data: {
                         title: "Welcome to the party!",
                         message: "Just need to verify that this is your email address."
                     }
                 },
             })
         }
   }

   export default AccountVerify

The template.ejs using express view engine ejs to render html into mail content.

   <!DOCTYPE html>
     <html lang="en">
     <head>
         <meta charset="UTF-8">
         <meta http-equiv="X-UA-Compatible" content="IE=edge">
         <meta name="viewport" content="width=device-width, initial-scale=1.0">
         <title>
             <%= title %>
         </title>
     </head>
     <body>
         <h3>Hello!</h3>
         <p>
             <%= message %>
         </p>
         <p>
             Regards.
         </p>
         <p>
             Nodemi
         </p>
     </body>
   </html>

To use this template.ejs, you need to add an html object with a path and data (if needed) into super().load() method.

   html: {
            path: "mails/AccountVerify/template.ejs", // path is required
            data: // data is optional base on your template.ejs
            {
                title: "Welcome to the party!",
                message: "Just need to verify that this is your email address."
            }
        }
  • Basic usage

To send email by calling instance.send()

   const sendMail = new AccountVerify("from@gmail.com",["receiver@gmail.com"],"Verify Account")

   await sendMail.send()

  • Send file

To send files, you need to add an attachments to super().load(). See full doc.

   attachments: [
                     {
                         filename: "theFile.txt",
                         path: "mails/AccountVerify/examplefile.txt"
                     }
                ]

  • Mail message options

Message options that you can add into super().load().

Name Description Type Required
from The e-mail address of the sender. All e-mail addresses can be plain 'sender@server.com' string Yes
to Recipients e-mail addresses that will appear on the To array Yes
subject Subject of the e-mail string No
text If you are using HTML for the body of the email, then this text will not be used again string No
html The HTML version of the message object No
attachments An array of objects is used for the purpose of sending files. See full doc array No
cc Recipients e-mail addresses that will appear on the Cc array No
bcc Recipients e-mail addresses that will appear on the Bcc array No
sender E-mail address that will appear on the Sender string No
replyTo An array of e-mail addresses that will appear on the Reply-To array No
alternatives An array of alternative text contents. See full doc array No
encoding optional transfer encoding for the textual parts. string No
  • Noted

Before using mail, make sure you already setup .env file

   MAIL_HOST= #example: smtp.gmail.com | smtp-relay.sendinblue.com
   MAIL_PORT=587
   MAIL_USERNAME=
   MAIL_PASSWORD=
   MAIL_FROM=

Firebase Cloud Messaging

  • Send message
   const message = {
        title: "Notification", // notification title
        body: "Hello there",   // notification body
        data: {
                               // payload
        },
        registrationTokens: ["token1","token2"] // target token
   }

   await FirebaseService.sendMessage(message)

  • Noted

Before using FCM, make sure you already enable Firebase Cloud Messaging API on Google Cloud Console, by selecting your project and navigating to APIs & Services. Once you have enabled the API, you can set up your .env

   FIREBASE_SERVICE_ACCOUNT_BASE64= # base64 of firebase service account (.json)
   FIREBASE_CLOUD_MESSAGING_SERVER_KEY= #fcm server key

Seeder

  • Running seeder

Running seeder via cli

    npx nodemi seed:run

You can put your seeder code inside seeder function in the core/seeder/Seeder.js file


   const seeder = async () => {

         // put code here..

   }

Cors

The configuration for Cross-Origin Resource Sharing (CORS) can be found in the core/config/Cors.js file.