easy.database/server.js

Una base de datos sencilla para tu proyecto (NodeJS)

const fs = require("fs");
var privateDatabase = {
	"folder":"./easydb/"
};

class Database {
	constructor(name, subclass)
		{
		if(subclass === undefined){
					fs.mkdirSync(privateDatabase.folder, { recursive: true });

		this.loc = privateDatabase.folder  + "/" + name + ".json";
		}
		if(subclass){ 
		fs.mkdirSync(privateDatabase.folder + subclass, { recursive: true });

		this.loc = privateDatabase.folder + subclass + "/" + name + ".json";
}
		if(fs.existsSync(this.loc))
		{

			this.data = JSON.parse(fs.readFileSync(this.loc, "utf8"));
		}
		else this.data = {};
				fs.writeFileSync(this.loc, JSON.stringify(this.data, null, 2));
	}
has(key){
			let params = key.split('.');
		if(params[1] !== undefined)		{
			if(this.data[params[0]] === undefined) return false;

			return (this.data[params[0]][params[1]] === undefined ? false : true);
		}
		return (this.data[key] === undefined ? false : true);
	}
	set(key, value){

		if(!value) return console.log("[EasyDB]-> You must specify the value in set();");
		let params = key.split('.');
		if(params[1] !== undefined) this.data[ params[0] ][ params[1] ] = value;
		else this.data[key] = value;
						fs.writeFileSync(this.loc, JSON.stringify(this.data, null, 2));
	}
	get(key){
		if(!key) return console.log("[EasyDB]-> You must specify the key in get();");

		let params = key.split('.');
		if(params[1] !== undefined)
		{
			if(this.data[params[0]] === undefined) return undefined;

			return this.data[ params[0] ][ params[1] ];
		}
		return this.data[key];
	}

	reload(){
		this.data = JSON.parse(fs.readFileSync(this.loc, "utf8"));
	}
	add(key, value){

		if(isNaN(value)) return console.log("[EasyDB]-> It is not an integer in add();");
				let params = key.split('.');
		if(params[1] !== undefined) this.data[ params[0] ][ params[1] ] += value;
		else this.data[key] += value;
				fs.writeFileSync(this.loc, JSON.stringify(this.data, null, 2));
	}
	substract(key, value){
		if(isNaN(value)) return console.log("[EasyDB]-> It is not an integer in substract();");
				let params = key.split('.');
		if(params[1] !== undefined) this.data[ params[0] ][ params[1] ] -= value;
		else this.data[key] -= value;
						fs.writeFileSync(this.loc, JSON.stringify(this.data, null, 2));
	}
	  push(key, value){
	  			  if(!value) return console.log("[EasyDB] -> You must specify 'Value' in push")
    if(!key) return console.log("[EasyDB] -> You must specify 'Key' in push")
	  			let params = key.split('.');
		if(params[1] !== undefined){
    	let fetched = this.data[ params[0] ][ params[1] ]
if(fetched === "{}") fetched = [];
if(!Array.isArray(fetched))return console.log("This is not an array")
else fetched.push(value)
this.data[ params[0] ][ params[1] ] = fetched
		}else{  
    	let fetched = this.data[key] 
if(fetched === "{}") fetched = [];
if(!Array.isArray(fetched))return console.log("This is not an array")
	else fetched.push(value)
this.data[key] = fetched
}
				fs.writeFileSync(this.loc, JSON.stringify(this.data, null, 2));
  }
  extract(key, value){
  	let params = key.split('.');
  			if(params[1] !== undefined){
  				 	let array = this.data[ params[0] ][ params[1] ]
  				 	  	if(!Array.isArray(array)) return console.log("This is not an array")
    if(!array.includes(value)) return new Error("The placed value is not in the array")
  	const newarr = array.filter(ele => ele != value)
  	return this.data[ params[0] ][ params[1] ] = newarr
  			}else{
  	let array = this.data[key]
  	if(!Array.isArray(array)) return console.log("This is not an array")
    if(!array.includes(value)) return new Error("The placed value is not in the array")
  	const newarr = array.filter(ele => ele != value)
  	return this.data[key] = newarr
  }
  							fs.writeFileSync(this.loc, JSON.stringify(this.data, null, 2));
  }
	remove(key){
				let params = key.split('.');
		if(params[1] !== undefined) delete this.data[ params[0] ][ params[1] ];
		if(!key) return console.log("[EasyDB]-> You must specify the key in remove();");
 delete this.data[key];
						fs.writeFileSync(this.loc, JSON.stringify(this.data, null, 2));
	}
	all(){
		let array = []
		array.push(this.data)
		return array
}
}

module.exports = Database;