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dvidsilva/fbtoform.js

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HTMLForm to Firebase sample
Raw
fbtoform.js
(function(){
var newscript = document.createElement('script');
newscript.type = 'text/javascript';
newscript.async = true;
newscript.src = 'https://www.gstatic.com/firebasejs/3.0.2/firebase.js';
(document.getElementsByTagName('head')[0]||document.getElementsByTagName('body')[0]).appendChild(newscript);
})();
_setFormData = function setFormData (sel, data) {
console.info('setting form to data', data);
var inputList = document.querySelectorAll(sel + ' [name]');
[].forEach.call(inputList, function(input) {
console.log(input);
if (data[input.name] && data[input.name] !== "undefined") {
input.value = data[input.name];
}
});
};
var _fb;
var fbToForm = function fbToForm (key, sel) {
var config = config || {
apiKey: "<REPLACE ME>",
authDomain: "<REPLACE ME>",
databaseURL: "<REPLACE ME>",
storageBucket: "<REPLACE ME>",
};
_fb = _fb && _fb.name === "fbToForm" ? _fb : firebase.initializeApp(config, "fbToForm");
_fb.database().ref('user-data/' + key).on('value', function(snapshot) {
_setFormData(sel, snapshot.val());
});
};
Raw
index.html
<html>
<head>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css">
<title>Firebase Sample</title>
</head>
<body>
<div class="container">
<div class="page-header">
<h1>Firebase Sample</h1>
</div>
</div>
<div class="container row">
<div class="col-xs-12">
<h2>Instructions:</h2>
<ul>
<li>Create a firebase application on the <a href="https://console.firebase.google.com" target="blank">console</a></li>
<li>Replace the information marked as &lt;REPLACE ME&gt; with the correct information from the project's console</li>
</ul>
<h2>Todo:</h2>
<p><strong><a href="https://www.firebase.com/docs/web/guide/user-auth.html">Add User Login</a></strong></p>
<p><strong><a href="https://www.firebase.com/docs/security/guide/user-security.html">Add Security Rules</a></strong></p>
</div>
</div>
<div class="container row">
<div class="col-xs-12">
<div class="form">
<form action="" class="form">
<div class="control-group">
<label for="first_name">Name</label>
<input type="text" name="first_name">
</div>
<div>
<button class="submit btn btn-primary">Save</button>
</div>
</form>
</div>
</div>
</div>
<script src="https://www.gstatic.com/firebasejs/3.0.2/firebase.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/2.2.4/jquery.js"></script>
<script>
$.fn.getFormData = function() {
var fields = this.find('[name]');
var result = {};
$.each(fields, function (i, el) {
result[el.name] = el.value;
});
return result;
};
var config = {
apiKey: "<REPLACE ME>",
authDomain: "<REPLACE ME>",
databaseURL: "<REPLACE ME>",
storageBucket: "<REPLACE ME>",
};
var fb = firebase.initializeApp(config);
var user_id;
$('.submit').on('click', function (e) {
e.preventDefault();
var updates = {};
user_id = user_id ? user_id : fb.database().ref().child('user-data').push().key;
updates[user_id] = $('form').getFormData();
fb.database().ref().child('user-data').update(updates);
});
</script>
</body>
</html>
@daisys77
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daisys77 commented Apr 6, 2018

hi i am unable to get this code to work.

@dimaguy
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dimaguy commented Aug 7, 2018 •
edited

Did you replaced the (REPLACE ME)?

@piagja
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piagja commented Feb 12, 2019

How can i add more texts ??
I need to get some inputs, like name, email, ipv4 or ipv6 and the date+hour.

@Achudh
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Achudh commented Mar 15, 2019

We have to update the firebase javascript CDN ! else it won't work!

@kashmiriapp
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// ************************************************
// Initialize Firebase
var config = {
apiKey: "AIzaSyBICyFq4GPWKBhCNe46-1MCsDNbfoymkU0",
authDomain: "amazing-project-95629.firebaseapp.com",
databaseURL: "https://amazing-project-95629.firebaseio.com",
projectId: "amazing-project-95629",
storageBucket: "amazing-project-95629.appspot.com",
messagingSenderId: "42388728204"
};
firebase.initializeApp(config);

var database = firebase.database();
// ************************************************

var shoppingCart = (function() {
// =============================
// Private methods and propeties
// =============================
cart = [];

// Constructor
function Item(name, price, count) {
this.name = name;
this.price = price;
this.count = count;
}

// Save cart
function saveCart() {
sessionStorage.setItem('shoppingCart', JSON.stringify(cart));
}

// Load cart

function loadCart() {
cart = JSON.parse(sessionStorage.getItem('shoppingCart'));
}
if (sessionStorage.getItem("shoppingCart") != null) {
loadCart();
}

// =============================
// Public methods and propeties
// =============================
var obj = {};

// Add to cart
obj.addItemToCart = function(name, price, count) {
for(var item in cart) {
if(cart[item].name === name) {
cart[item].count ++;
saveCart();
return;
}
}
var item = new Item(name, price, count);
cart.push(item);
saveCart();
};
// Set count from item
obj.setCountForItem = function(name, count) {
for(var i in cart) {
if (cart[i].name === name) {
cart[i].count = count;
break;
}
}
};
// Remove item from cart
obj.removeItemFromCart = function(name) {
for(var item in cart) {
if(cart[item].name === name) {
cart[item].count --;
if(cart[item].count === 0) {
cart.splice(item, 1);
}
break;
}
}
saveCart();
};

// Remove all items from cart
obj.removeItemFromCartAll = function(name) {
for(var item in cart) {
if(cart[item].name === name) {
cart.splice(item, 1);
break;
}
}
saveCart();
};

// Clear cart
obj.clearCart = function() {
cart = [];
saveCart();
};

// Count cart
obj.totalCount = function() {
var totalCount = 0;
for(var item in cart) {
totalCount += cart[item].count;
}
return totalCount;
};

// Total cart
obj.totalCart = function() {
var totalCart = 0;
for(var item in cart) {
totalCart += cart[item].price * cart[item].count;
}
return Number(totalCart.toFixed(2));
};

// List cart
obj.listCart = function() {
var cartCopy = [];
for(i in cart) {
item = cart[i];
itemCopy = {};
for(p in item) {
itemCopy[p] = item[p];

  }
  itemCopy.total = Number(item.price * item.count).toFixed(2);
  cartCopy.push(itemCopy);
}
return cartCopy;

};

// cart : DataRef
// Item : Object/Class
// addItemToCart : Function
// removeItemFromCart : Function
// removeItemFromCartAll : Function
// clearCart : Function
// countCart : Function
// totalCart : Function
// listCart : Function
// saveCart : Function
// loadCart : Function
return obj;
})();

// *****************************************
// Triggers / snapshots
// *****************************************
// Add item
database.ref('.add-to-cart').click(function(snapshot) {
snapshot.prsnapshotDefault();
var name = database.ref(this).data('name');
var price = Number(database.ref(this).data('price'));
shoppingCart.addItemToCart(name, price, 1);
displayCart();
});

// Clear items
database.ref('.clear-cart').click(function() {
shoppingCart.clearCart();
displayCart();
});

function displayCart() {
var database = firebase.database().ref().child('Tasks');
var cartDataRef = shoppingCart.listCart();
var output = "";
for(var i in cartDataRef) {
output += ""
+ "" + cartDataRef[i].name + ""
+ "(" + cartDataRef[i].price + ")"
+ "

-"
+ ""
+ "+
"
+ "X"
+ " = "
+ "" + cartDataRef[i].total + ""
+ "";
}
database.ref('.show-cart').html(output);
database.ref('.total-cart').html(shoppingCart.totalCart());
database.ref('.total-count').html(shoppingCart.totalCount());
}

// Delete item button

database.ref('.show-cart').on("click", ".delete-item", function(snapshot) {
var name = database.ref(this).data('name');
shoppingCart.removeItemFromCartAll(name);
displayCart();
});

// -1
database.ref('.show-cart').on("click", ".minus-item", function(snapshot) {
var name = database.ref(this).data('name');
shoppingCart.removeItemFromCart(name);
displayCart();
});
// +1
database.ref('.show-cart').on("click", ".plus-item", function(snapshot) {
var name = database.ref(this).data('name');
shoppingCart.addItemToCart(name);
displayCart();
});

// Item count input
database.ref('.show-cart').on("change", ".item-count", function(snapshot) {
var name = database.ref(this).data('name');
var count = Number(database.ref(this).val());
shoppingCart.setCountForItem(name, count);
displayCart();
});

displayCart();

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