Problem to create items with shopping cart
1
I solved some issues here but I got this message :
Reference.update failed: First argument contains undefined in property 'shopping-carts.-LRvqLfzwv9q9OMfW23K.items.-LPa0C_lNj2VAe1xLF5S.product.title'
The root not created.
export class ShoppingCartService {
constructor(private db: AngularFireDatabase) { }
private create() {
return this.db.list('/shopping-carts').push({
dateCreated: new Date().getTime()
});
}
private getCart(cartId: string) {
return this.db.object('/shopping-carts/' + cartId);
}
getItem(cartId: string, productId: string) {
return this.db.object('/shopping-carts/' + cartId + '/items/' + productId);
}
private async getOrCreateCartId() {
const cartId = localStorage.getItem('cartId');
if (cartId) { return cartId; }
const result = await this.create();
localStorage.setItem('cartId', result.key);
return result.key;
}
async addToCart(product) {
const cartId = await this.getOrCreateCartId();
const item$ = this.getItem(cartId, product.key);
item$.snapshotChanges().take(1).subscribe((item: any) => {
if (item.payload.exists()) {
item$.update({ product: product, quantity: item.payload.val().quantity + 1});
} else {
item$.update({ product: {
title: product.title,
price: product.price,
category: product.category,
imageUrl: product.imageUrl,
}, quantity: 1} );
}
});
}
angular asked Nov 20 '18 at 15:37
user1618811user1618811
65
add a comment |
1
I solved some issues here but I got this message :
Reference.update failed: First argument contains undefined in property 'shopping-carts.-LRvqLfzwv9q9OMfW23K.items.-LPa0C_lNj2VAe1xLF5S.product.title'
The root not created.
export class ShoppingCartService {
constructor(private db: AngularFireDatabase) { }
private create() {
return this.db.list('/shopping-carts').push({
dateCreated: new Date().getTime()
});
}
private getCart(cartId: string) {
return this.db.object('/shopping-carts/' + cartId);
}
getItem(cartId: string, productId: string) {
return this.db.object('/shopping-carts/' + cartId + '/items/' + productId);
}
private async getOrCreateCartId() {
const cartId = localStorage.getItem('cartId');
if (cartId) { return cartId; }
const result = await this.create();
localStorage.setItem('cartId', result.key);
return result.key;
}
async addToCart(product) {
const cartId = await this.getOrCreateCartId();
const item$ = this.getItem(cartId, product.key);
item$.snapshotChanges().take(1).subscribe((item: any) => {
if (item.payload.exists()) {
item$.update({ product: product, quantity: item.payload.val().quantity + 1});
} else {
item$.update({ product: {
title: product.title,
price: product.price,
category: product.category,
imageUrl: product.imageUrl,
}, quantity: 1} );
}
});
}asked Nov 20 '18 at 15:37
user1618811user1618811
65
add a comment |
1
1
1
I solved some issues here but I got this message :
Reference.update failed: First argument contains undefined in property 'shopping-carts.-LRvqLfzwv9q9OMfW23K.items.-LPa0C_lNj2VAe1xLF5S.product.title'
The root not created.
export class ShoppingCartService {
constructor(private db: AngularFireDatabase) { }
private create() {
return this.db.list('/shopping-carts').push({
dateCreated: new Date().getTime()
});
}
private getCart(cartId: string) {
return this.db.object('/shopping-carts/' + cartId);
}
getItem(cartId: string, productId: string) {
return this.db.object('/shopping-carts/' + cartId + '/items/' + productId);
}
private async getOrCreateCartId() {
const cartId = localStorage.getItem('cartId');
if (cartId) { return cartId; }
const result = await this.create();
localStorage.setItem('cartId', result.key);
return result.key;
}
async addToCart(product) {
const cartId = await this.getOrCreateCartId();
const item$ = this.getItem(cartId, product.key);
item$.snapshotChanges().take(1).subscribe((item: any) => {
if (item.payload.exists()) {
item$.update({ product: product, quantity: item.payload.val().quantity + 1});
} else {
item$.update({ product: {
title: product.title,
price: product.price,
category: product.category,
imageUrl: product.imageUrl,
}, quantity: 1} );
}
});
}asked Nov 20 '18 at 15:37
user1618811user1618811
65
I solved some issues here but I got this message :
Reference.update failed: First argument contains undefined in property 'shopping-carts.-LRvqLfzwv9q9OMfW23K.items.-LPa0C_lNj2VAe1xLF5S.product.title'
The root not created.
export class ShoppingCartService {
constructor(private db: AngularFireDatabase) { }
private create() {
return this.db.list('/shopping-carts').push({
dateCreated: new Date().getTime()
});
}
private getCart(cartId: string) {
return this.db.object('/shopping-carts/' + cartId);
}
getItem(cartId: string, productId: string) {
return this.db.object('/shopping-carts/' + cartId + '/items/' + productId);
}
private async getOrCreateCartId() {
const cartId = localStorage.getItem('cartId');
if (cartId) { return cartId; }
const result = await this.create();
localStorage.setItem('cartId', result.key);
return result.key;
}
async addToCart(product) {
const cartId = await this.getOrCreateCartId();
const item$ = this.getItem(cartId, product.key);
item$.snapshotChanges().take(1).subscribe((item: any) => {
if (item.payload.exists()) {
item$.update({ product: product, quantity: item.payload.val().quantity + 1});
} else {
item$.update({ product: {
title: product.title,
price: product.price,
category: product.category,
imageUrl: product.imageUrl,
}, quantity: 1} );
}
});
}export class ShoppingCartService {
constructor(private db: AngularFireDatabase) { }
private create() {
return this.db.list('/shopping-carts').push({
dateCreated: new Date().getTime()
});
}
private getCart(cartId: string) {
return this.db.object('/shopping-carts/' + cartId);
}
getItem(cartId: string, productId: string) {
return this.db.object('/shopping-carts/' + cartId + '/items/' + productId);
}
private async getOrCreateCartId() {
const cartId = localStorage.getItem('cartId');
if (cartId) { return cartId; }
const result = await this.create();
localStorage.setItem('cartId', result.key);
return result.key;
}
async addToCart(product) {
const cartId = await this.getOrCreateCartId();
const item$ = this.getItem(cartId, product.key);
item$.snapshotChanges().take(1).subscribe((item: any) => {
if (item.payload.exists()) {
item$.update({ product: product, quantity: item.payload.val().quantity + 1});
} else {
item$.update({ product: {
title: product.title,
price: product.price,
category: product.category,
imageUrl: product.imageUrl,
}, quantity: 1} );
}
});
}export class ShoppingCartService {
constructor(private db: AngularFireDatabase) { }
private create() {
return this.db.list('/shopping-carts').push({
dateCreated: new Date().getTime()
});
}
private getCart(cartId: string) {
return this.db.object('/shopping-carts/' + cartId);
}
getItem(cartId: string, productId: string) {
return this.db.object('/shopping-carts/' + cartId + '/items/' + productId);
}
private async getOrCreateCartId() {
const cartId = localStorage.getItem('cartId');
if (cartId) { return cartId; }
const result = await this.create();
localStorage.setItem('cartId', result.key);
return result.key;
}
async addToCart(product) {
const cartId = await this.getOrCreateCartId();
const item$ = this.getItem(cartId, product.key);
item$.snapshotChanges().take(1).subscribe((item: any) => {
if (item.payload.exists()) {
item$.update({ product: product, quantity: item.payload.val().quantity + 1});
} else {
item$.update({ product: {
title: product.title,
price: product.price,
category: product.category,
imageUrl: product.imageUrl,
}, quantity: 1} );
}
});
}asked Nov 20 '18 at 15:37
user1618811user1618811
65
asked Nov 20 '18 at 15:37
user1618811user1618811
65
edited Nov 22 '18 at 15:07
user1618811
asked Nov 20 '18 at 15:37
user1618811user1618811
65
asked Nov 20 '18 at 15:37
user1618811user1618811
65
asked Nov 20 '18 at 15:37
user1618811user1618811
65
65
add a comment |
add a comment |
2 Answers
2
active
oldest
votes
0
try change this line :
item$.update({ product: product, quanity: (item.payload.val.quanity +
1 })
with
item$.update({ product: product, quanity: (item.payload.val.quanity + 1) })
you missing the ')' when your update your object.
answered Nov 20 '18 at 15:45
Muhammad Al FarisMuhammad Al Faris
363
can not read quanity ?
– user1618811
Nov 20 '18 at 15:56
what you mean you can't read quanity ?
– Muhammad Al Faris
Nov 21 '18 at 2:09
I need to update the object with new property "quanity" but it gave me errors.
– user1618811
Nov 22 '18 at 13:23
[enter image description here][1] [1]: i.stack.imgur.com/pGvWR.png
– user1618811
Nov 22 '18 at 13:33
could you give me the value of item.payload.val() ?
– Muhammad Al Faris
Nov 22 '18 at 22:23
|
show 1 more comment
0
Finally , I solve it and I like to share with all
export class ShoppingCartService {
constructor(private db: AngularFireDatabase) { }
private create() {
return this.db.list('/shopping-carts').push({
dateCreated: new Date().getTime()
});
}
private getCart(cartId: string) {
return this.db.object('/shopping-carts/' + cartId);
}
getItem(cartId: string, productId: string) {
return this.db.object('/shopping-carts/' + cartId + '/items/' + productId);
}
private async getOrCreateCartId() {
const cartId = localStorage.getItem('cartId');
if (cartId) { return cartId; }
const result = await this.create();
localStorage.setItem('cartId', result.key);
return result.key;
}
async addToCart(product) {
const cartId = await this.getOrCreateCartId();
const item$ = this.getItem(cartId, product.key);
console.log(item$);
item$.snapshotChanges().take(1).subscribe((item: any) => {
if (item.payload.exists()) {
item$.update({quantity: item.payload.val().quantity + 1 });
} else {
item$.update({
product: {
title: product.payload.val().title,
price: product.payload.val().price,
category: product.payload.val().category,
imageUrl: product.payload.val().imageUrl,
}, quantity: 1
});
}
});
}
}answered Nov 24 '18 at 19:40
user1618811user1618811
65
add a comment |
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2 Answers
2
active
oldest
votes
2 Answers
2
active
oldest
votes
active
oldest
votes
active
oldest
votes
0
try change this line :
item$.update({ product: product, quanity: (item.payload.val.quanity +
1 })
with
item$.update({ product: product, quanity: (item.payload.val.quanity + 1) })
you missing the ')' when your update your object.
answered Nov 20 '18 at 15:45
Muhammad Al FarisMuhammad Al Faris
363
can not read quanity ?
– user1618811
Nov 20 '18 at 15:56
what you mean you can't read quanity ?
– Muhammad Al Faris
Nov 21 '18 at 2:09
I need to update the object with new property "quanity" but it gave me errors.
– user1618811
Nov 22 '18 at 13:23
[enter image description here][1] [1]: i.stack.imgur.com/pGvWR.png
– user1618811
Nov 22 '18 at 13:33
could you give me the value of item.payload.val() ?
– Muhammad Al Faris
Nov 22 '18 at 22:23
|
show 1 more comment
0
try change this line :
item$.update({ product: product, quanity: (item.payload.val.quanity +
1 })
with
item$.update({ product: product, quanity: (item.payload.val.quanity + 1) })
you missing the ')' when your update your object.
answered Nov 20 '18 at 15:45
Muhammad Al FarisMuhammad Al Faris
363
can not read quanity ?
– user1618811
Nov 20 '18 at 15:56
what you mean you can't read quanity ?
– Muhammad Al Faris
Nov 21 '18 at 2:09
I need to update the object with new property "quanity" but it gave me errors.
– user1618811
Nov 22 '18 at 13:23
[enter image description here][1] [1]: i.stack.imgur.com/pGvWR.png
– user1618811
Nov 22 '18 at 13:33
could you give me the value of item.payload.val() ?
– Muhammad Al Faris
Nov 22 '18 at 22:23
|
show 1 more comment
0
0
0
try change this line :
item$.update({ product: product, quanity: (item.payload.val.quanity +
1 })
with
item$.update({ product: product, quanity: (item.payload.val.quanity + 1) })
you missing the ')' when your update your object.
answered Nov 20 '18 at 15:45
Muhammad Al FarisMuhammad Al Faris
363
try change this line :
item$.update({ product: product, quanity: (item.payload.val.quanity +
1 })
with
item$.update({ product: product, quanity: (item.payload.val.quanity + 1) })
you missing the ')' when your update your object.
answered Nov 20 '18 at 15:45
Muhammad Al FarisMuhammad Al Faris
363
answered Nov 20 '18 at 15:45
Muhammad Al FarisMuhammad Al Faris
363
answered Nov 20 '18 at 15:45
Muhammad Al FarisMuhammad Al Faris
363
answered Nov 20 '18 at 15:45
Muhammad Al FarisMuhammad Al Faris
363
363
can not read quanity ?
– user1618811
Nov 20 '18 at 15:56
what you mean you can't read quanity ?
– Muhammad Al Faris
Nov 21 '18 at 2:09
I need to update the object with new property "quanity" but it gave me errors.
– user1618811
Nov 22 '18 at 13:23
[enter image description here][1] [1]: i.stack.imgur.com/pGvWR.png
– user1618811
Nov 22 '18 at 13:33
could you give me the value of item.payload.val() ?
– Muhammad Al Faris
Nov 22 '18 at 22:23
|
show 1 more comment
can not read quanity ?
– user1618811
Nov 20 '18 at 15:56
what you mean you can't read quanity ?
– Muhammad Al Faris
Nov 21 '18 at 2:09
I need to update the object with new property "quanity" but it gave me errors.
– user1618811
Nov 22 '18 at 13:23
[enter image description here][1] [1]: i.stack.imgur.com/pGvWR.png
– user1618811
Nov 22 '18 at 13:33
could you give me the value of item.payload.val() ?
– Muhammad Al Faris
Nov 22 '18 at 22:23
can not read quanity ?
– user1618811
Nov 20 '18 at 15:56
can not read quanity ?
– user1618811
Nov 20 '18 at 15:56
what you mean you can't read quanity ?
– Muhammad Al Faris
Nov 21 '18 at 2:09
what you mean you can't read quanity ?
– Muhammad Al Faris
Nov 21 '18 at 2:09
I need to update the object with new property "quanity" but it gave me errors.
– user1618811
Nov 22 '18 at 13:23
I need to update the object with new property "quanity" but it gave me errors.
– user1618811
Nov 22 '18 at 13:23
[enter image description here][1] [1]: i.stack.imgur.com/pGvWR.png
– user1618811
Nov 22 '18 at 13:33
[enter image description here][1] [1]: i.stack.imgur.com/pGvWR.png
– user1618811
Nov 22 '18 at 13:33
could you give me the value of item.payload.val() ?
– Muhammad Al Faris
Nov 22 '18 at 22:23
could you give me the value of item.payload.val() ?
– Muhammad Al Faris
Nov 22 '18 at 22:23
|
show 1 more comment
0
Finally , I solve it and I like to share with all
export class ShoppingCartService {
constructor(private db: AngularFireDatabase) { }
private create() {
return this.db.list('/shopping-carts').push({
dateCreated: new Date().getTime()
});
}
private getCart(cartId: string) {
return this.db.object('/shopping-carts/' + cartId);
}
getItem(cartId: string, productId: string) {
return this.db.object('/shopping-carts/' + cartId + '/items/' + productId);
}
private async getOrCreateCartId() {
const cartId = localStorage.getItem('cartId');
if (cartId) { return cartId; }
const result = await this.create();
localStorage.setItem('cartId', result.key);
return result.key;
}
async addToCart(product) {
const cartId = await this.getOrCreateCartId();
const item$ = this.getItem(cartId, product.key);
console.log(item$);
item$.snapshotChanges().take(1).subscribe((item: any) => {
if (item.payload.exists()) {
item$.update({quantity: item.payload.val().quantity + 1 });
} else {
item$.update({
product: {
title: product.payload.val().title,
price: product.payload.val().price,
category: product.payload.val().category,
imageUrl: product.payload.val().imageUrl,
}, quantity: 1
});
}
});
}
}answered Nov 24 '18 at 19:40
user1618811user1618811
65
add a comment |
0
Finally , I solve it and I like to share with all
export class ShoppingCartService {
constructor(private db: AngularFireDatabase) { }
private create() {
return this.db.list('/shopping-carts').push({
dateCreated: new Date().getTime()
});
}
private getCart(cartId: string) {
return this.db.object('/shopping-carts/' + cartId);
}
getItem(cartId: string, productId: string) {
return this.db.object('/shopping-carts/' + cartId + '/items/' + productId);
}
private async getOrCreateCartId() {
const cartId = localStorage.getItem('cartId');
if (cartId) { return cartId; }
const result = await this.create();
localStorage.setItem('cartId', result.key);
return result.key;
}
async addToCart(product) {
const cartId = await this.getOrCreateCartId();
const item$ = this.getItem(cartId, product.key);
console.log(item$);
item$.snapshotChanges().take(1).subscribe((item: any) => {
if (item.payload.exists()) {
item$.update({quantity: item.payload.val().quantity + 1 });
} else {
item$.update({
product: {
title: product.payload.val().title,
price: product.payload.val().price,
category: product.payload.val().category,
imageUrl: product.payload.val().imageUrl,
}, quantity: 1
});
}
});
}
}answered Nov 24 '18 at 19:40
user1618811user1618811
65
add a comment |
0
0
0
Finally , I solve it and I like to share with all
export class ShoppingCartService {
constructor(private db: AngularFireDatabase) { }
private create() {
return this.db.list('/shopping-carts').push({
dateCreated: new Date().getTime()
});
}
private getCart(cartId: string) {
return this.db.object('/shopping-carts/' + cartId);
}
getItem(cartId: string, productId: string) {
return this.db.object('/shopping-carts/' + cartId + '/items/' + productId);
}
private async getOrCreateCartId() {
const cartId = localStorage.getItem('cartId');
if (cartId) { return cartId; }
const result = await this.create();
localStorage.setItem('cartId', result.key);
return result.key;
}
async addToCart(product) {
const cartId = await this.getOrCreateCartId();
const item$ = this.getItem(cartId, product.key);
console.log(item$);
item$.snapshotChanges().take(1).subscribe((item: any) => {
if (item.payload.exists()) {
item$.update({quantity: item.payload.val().quantity + 1 });
} else {
item$.update({
product: {
title: product.payload.val().title,
price: product.payload.val().price,
category: product.payload.val().category,
imageUrl: product.payload.val().imageUrl,
}, quantity: 1
});
}
});
}
}answered Nov 24 '18 at 19:40
user1618811user1618811
65
Finally , I solve it and I like to share with all
export class ShoppingCartService {
constructor(private db: AngularFireDatabase) { }
private create() {
return this.db.list('/shopping-carts').push({
dateCreated: new Date().getTime()
});
}
private getCart(cartId: string) {
return this.db.object('/shopping-carts/' + cartId);
}
getItem(cartId: string, productId: string) {
return this.db.object('/shopping-carts/' + cartId + '/items/' + productId);
}
private async getOrCreateCartId() {
const cartId = localStorage.getItem('cartId');
if (cartId) { return cartId; }
const result = await this.create();
localStorage.setItem('cartId', result.key);
return result.key;
}
async addToCart(product) {
const cartId = await this.getOrCreateCartId();
const item$ = this.getItem(cartId, product.key);
console.log(item$);
item$.snapshotChanges().take(1).subscribe((item: any) => {
if (item.payload.exists()) {
item$.update({quantity: item.payload.val().quantity + 1 });
} else {
item$.update({
product: {
title: product.payload.val().title,
price: product.payload.val().price,
category: product.payload.val().category,
imageUrl: product.payload.val().imageUrl,
}, quantity: 1
});
}
});
}
}export class ShoppingCartService {
constructor(private db: AngularFireDatabase) { }
private create() {
return this.db.list('/shopping-carts').push({
dateCreated: new Date().getTime()
});
}
private getCart(cartId: string) {
return this.db.object('/shopping-carts/' + cartId);
}
getItem(cartId: string, productId: string) {
return this.db.object('/shopping-carts/' + cartId + '/items/' + productId);
}
private async getOrCreateCartId() {
const cartId = localStorage.getItem('cartId');
if (cartId) { return cartId; }
const result = await this.create();
localStorage.setItem('cartId', result.key);
return result.key;
}
async addToCart(product) {
const cartId = await this.getOrCreateCartId();
const item$ = this.getItem(cartId, product.key);
console.log(item$);
item$.snapshotChanges().take(1).subscribe((item: any) => {
if (item.payload.exists()) {
item$.update({quantity: item.payload.val().quantity + 1 });
} else {
item$.update({
product: {
title: product.payload.val().title,
price: product.payload.val().price,
category: product.payload.val().category,
imageUrl: product.payload.val().imageUrl,
}, quantity: 1
});
}
});
}
}export class ShoppingCartService {
constructor(private db: AngularFireDatabase) { }
private create() {
return this.db.list('/shopping-carts').push({
dateCreated: new Date().getTime()
});
}
private getCart(cartId: string) {
return this.db.object('/shopping-carts/' + cartId);
}
getItem(cartId: string, productId: string) {
return this.db.object('/shopping-carts/' + cartId + '/items/' + productId);
}
private async getOrCreateCartId() {
const cartId = localStorage.getItem('cartId');
if (cartId) { return cartId; }
const result = await this.create();
localStorage.setItem('cartId', result.key);
return result.key;
}
async addToCart(product) {
const cartId = await this.getOrCreateCartId();
const item$ = this.getItem(cartId, product.key);
console.log(item$);
item$.snapshotChanges().take(1).subscribe((item: any) => {
if (item.payload.exists()) {
item$.update({quantity: item.payload.val().quantity + 1 });
} else {
item$.update({
product: {
title: product.payload.val().title,
price: product.payload.val().price,
category: product.payload.val().category,
imageUrl: product.payload.val().imageUrl,
}, quantity: 1
});
}
});
}
}answered Nov 24 '18 at 19:40
user1618811user1618811
65
answered Nov 24 '18 at 19:40
user1618811user1618811
65
answered Nov 24 '18 at 19:40
user1618811user1618811
65
answered Nov 24 '18 at 19:40
user1618811user1618811
65
65
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