crud-relational-generator-package
crud-relational-generator-package is a Node.js package that facilitates the generation of CRUD (Create, Read, Update, Delete) functionalities for any data model within your Node.js application simply in minutes. It simplifies the process of interacting with a database by providing reusable functions for common database operations. (mention persistance with any rdbms)
Installation
To install crud-relational-generator-package , simply run:
npm i @zamoula/crud-relational-generator-package
Usage
Initializing the Database
Before using CRUD.js, you need to initialize your database connection using the initDatabase function provided by the package. Here's an example of how to initialize the database:
const { initDatabase } = require('@zamoula/crud-relational-generator-package');
const sequelize = initDatabase('database_name', 'username', 'password', 'host', 'port', 'dialect', forceSync);
Defining Models
This package uses Sequelize behind the scenes , Here is the table with Sequelize data types and their corresponding SQL column types for MySQL, MariaDB, SQLite, PostgreSQL, MSSQL, and Oracle.
| Sequelize Data Type | MySQL Column Type | MariaDB Type | SQLite Type | PostgreSQL Type | MSSQL Type | Oracle Type |
|---|
| STRING | VARCHAR | VARCHAR | TEXT | VARCHAR | NVARCHAR(MAX) | VARCHAR2 |
| TEXT | TEXT | TEXT | TEXT | TEXT | NVARCHAR(MAX) | CLOB |
| INTEGER | INTEGER | INTEGER | INTEGER | INTEGER | INT | NUMBER |
| FLOAT | FLOAT | FLOAT | REAL | DOUBLE PRECISION | FLOAT | FLOAT |
| DOUBLE | DOUBLE | DOUBLE | REAL | DOUBLE PRECISION | FLOAT | FLOAT |
| DECIMAL | DECIMAL | DECIMAL | NUMERIC | NUMERIC | DECIMAL | NUMBER |
| DATE | DATETIME | DATETIME | TEXT | TIMESTAMP | DATETIME2 | DATE |
| BOOLEAN | BOOLEAN | BOOLEAN | INTEGER | BOOLEAN | BIT | NUMBER(1,0) |
| ENUM | ENUM | ENUM | TEXT | ENUM | NVARCHAR(MAX) | VARCHAR2 |
| JSON | JSON | JSON | TEXT | JSON | NVARCHAR(MAX) | CLOB |
| JSONB | JSON | JSON | TEXT | JSONB | NVARCHAR(MAX) | CLOB |
| UUID | CHAR(36) | CHAR(36) | TEXT | UUID | UNIQUEIDENTIFIER | RAW(16) |
| ARRAY | TEXT | TEXT | TEXT | ARRAY | NVARCHAR(MAX) | VARRAY |
| RANGE | TEXT | TEXT | TEXT | RANGE | NVARCHAR(MAX) | VARRAY |
| GEOMETRY | GEOMETRY | GEOMETRY | TEXT | GEOMETRY | VARBINARY(MAX) | SDO_GEOMETRY |
Once the database connection is established, you can define your data models using the defineModel function. Here's how you can define a model:
(you must add Sequelize orm to your own project dependencies)
const { defineModel } = require('@zamoula/crud-relational-generator-package');
defineModel(sequelize, 'ModelName', {
// Define model attributes here
});
CRUD Operations
crud-relational-generator-package provides functions for performing CRUD operations on your models:
-
getAll: Retrieve all records of a model.
-
getById: Retrieve a single record by its ID.
-
create: Create a new record.
-
update: Update an existing record.
-
remove: Delete a record.
Here's how you can use these functions:
const { getAll, getById, create, update, remove } = require('@zamoula/crud-relational-generator-package');
// Example usage of getAll
app.get('/models/:modelName', getAll);
// Example usage of getById
app.get('/models/:modelName/:id', getById);
// Example usage of create
app.post('/models/:modelName', create);
// Example usage of update
app.put('/models/:modelName/:id', update);
// Example usage of remove
app.delete('/models/:modelName/:id', remove);
Error Handling
crud-relational-generator-package handles errors gracefully. If a model is not found or if a record does not exist, appropriate error responses are sent.
Contributing
Contributions are welcome! If you have any suggestions, bug reports, or feature requests, please open an issue or submit a pull request on the GitHub repository.
License
This project is licensed under the MIT License - see the LICENSE file for details.
