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How to update a field inside the array of object of another array of objects in mongo db? or How to update a field using the array index in mongo db?

This is the structure of my collection of mongodb database. I need to update the status inside each order products. What I need to do?
{
"_id": {
"$oid": "633ab3c11e6e97b6332f56a1"
},
"orders": [
{
"date": "6/10/2022",
"productDetails": {
"0": {
"name": "Top",
"price": "1235",
"quantity": 1,
"status": "placed"
},
"1": {
"name": "Shirt",
"price": "1235",
"quantity": 1,
"status": "placed"
}
},
"billingAddress": {
"address": "My Address",
"city": "City",
"state": "State",
"country": "Country",
"pincode": "123456",
"contact": "1234567890"
},
"paymentMode": "cod"
},
{
"date": "6/10/2022",
"productDetails": {
"0": {
"name": "Top",
"price": "1235",
"quantity": 3,
"status": "placed"
},
"1": {
"name": "Shirt",
"price": "1235",
"quantity": 1,
"status": "placed"
}
},
"billingAddress": {
"address": "My Address",
"city": "City",
"state": "State",
"country": "Country",
"pincode": "123456",
"contact": "1234567890"
},
"paymentMode": "cod"
},
{
"date": "6/10/2022",
"productDetails": {
"0": {
"name": "Shirt",
"price": "234",
"quantity": 1,
"status": "placed"
},
"1": {
"name": "Top",
"price": "123",
"quantity": 1,
"status": "placed"
}
},
"billingAddress": {
"address": "My Address",
"city": "City",
"state": "State",
"country": "Country",
"pincode": "123456",
"contact": "1234567890"
},
"paymentMode": "cod"
}
]
}
I want to update the order product status to shipped, canceled, etc. I have to set status in desired position like the following.
I waant to update the mongodb databse and have to get the result in like the following result.
{
"_id": {
"$oid": "633ab3c11e6e97b6332f56a1"
},
"orders": [
{
"date": "6/10/2022",
"productDetails": {
"0": {
"name": "Top",
"price": "1235",
"quantity": 1,
"status": "caneled"
},
"1": {
"name": "Shirt",
"price": "1235",
"quantity": 1,
"status": "shipped"
}
},
"billingAddress": {
"address": "My Address",
"city": "City",
"state": "State",
"country": "Country",
"pincode": "123456",
"contact": "1234567890"
},
"paymentMode": "cod"
},
{
"date": "6/10/2022",
"productDetails": {
"0": {
"name": "Top",
"price": "1235",
"quantity": 3,
"status": "canceled"
},
"1": {
"name": "Shirt",
"price": "1235",
"quantity": 1,
"status": "shipped"
}
},
"billingAddress": {
"address": "My Address",
"city": "City",
"state": "State",
"country": "Country",
"pincode": "123456",
"contact": "1234567890"
},
"paymentMode": "cod"
},
{
"date": "6/10/2022",
"productDetails": {
"0": {
"name": "Shirt",
"price": "234",
"quantity": 1,
"status": "placed"
},
"1": {
"name": "Top",
"price": "123",
"quantity": 1,
"status": "shipped"
}
},
"billingAddress": {
"address": "My Address",
"city": "City",
"state": "State",
"country": "Country",
"pincode": "123456",
"contact": "1234567890"
},
"paymentMode": "cod"
}
]
}

According to my research, the correct method is as follows:
db.orders.updateOne({_id: ObjectId("633a6a73dd9f8cce0029e53d")},{$set:{"orders.0.productDetails.0.status": "shipped"}})
And the result is :-
{
"_id": {
"$oid": "633ab3c11e6e97b6332f56a1"
},
"orders": [
{
"_id": {
"$oid": "633e8f2d3e3f12f07438cc64"
},
"date": "6/10/2022",
"productDetails": {
"0": {
"name": "Top",
"price": "1235",
"quantity": 1,
"status": "shipped"
},
"1": {
"name": "Shirt",
"price": "1235",
"quantity": 1,
"status": "placed"
}
},
"billingAddress": {
"address": "My Address",
"city": "City",
"state": "State",
"country": "Country",
"pincode": "123456",
"contact": "1234567890"
},
"paymentMode": "cod"
},
{
"_id": {
"$oid": "633e96533e3f12f07438cc65"
},
"date": "6/10/2022",
"productDetails": {
"0": {
"name": "Top",
"price": "1235",
"quantity": 1,
"status": "placed"
},
"1": {
"name": "Shirt",
"price": "1235",
"quantity": 1,
"status": "placed"
},
"2": {
"name": "Jeans",
"price": "1234",
"quantity": 1,
"status": "placed"
}
},
"billingAddress": {
"address": "My Address",
"city": "City",
"state": "State",
"country": "Country",
"pincode": "123456",
"contact": "1234567890"
},
"paymentMode": "cod"
}
]
}

Combine nested data from 2 api

I have 2 api:
Having bank details
Other having user account detail.
User can have more than 1 account with 1 bank. I have to fetch bank name and logo from bank api, and show all the user accounts with name, amount banks name and logo.
Two api data looks like below :
Bank API:
[
{
"id": 2,
"name": "KlikBCA",
"bank_code": "KlikBCA",
"country_code": "ID",
"country_name": "India",
"logo": "url",
"createdAt": null,
"updatedAt": "2021-07-26T14:58:03.000+00:00",
"channels": null
},
{
"id": 7,
"name": "BNI Internet Banking",
"bank_code": "BNI Internet Banking",
"country_code": "ID",
"country_name": "Indis",
"primary_color": "url",
"logo": null,
"createdAt": null,
"updatedAt": "2021-07-26T14:58:03.000+00:00",
"channels": null
}
]
User API:
[
{
"id": "sdf",
"bankId": "7",
"data": [
{
"accountId": “1234”,
"accountHolder": "John Doe",
"accountNumber": "587-2673-989",
"balances": {
"available": 500000,
}
},
{
"accountId": “2345”,
"accountHolder": "John Doe",
"accountNumber": "987-0675-789",
"balances": {
"available": 7500000
}
}
]
},
{
"id": "f230",
"bankId": "3",
"data": [
{
"accountId": "9876",
"accountHolder": "Charls",
"accountNumber": "765-6543-345",
"balances": {
"available": 200000
}
}
]
}
]
i need data to be like this..so that I can use it in my next component, which will take each account with all the bank details.
[
{
"id": "sdf",
"bankId": "7",
"data":
{
"accountId": “1234”,
"accountHolder": "John Doe",
"accountNumber": "587-2673-989",
"balances": {
"available": 500000,
}
},
"bank":{
"id": 7,
"name": "BNI Internet Banking",
"bank_code": "BNI Internet Banking",
"country_code": "ID",
"country_name": "Indis",
"primary_color": "url",
"logo": null,
"createdAt": null,
"updatedAt": "2021-07-26T14:58:03.000+00:00",
"channels": null
}
},
{"id": "sdf",
"bankId": "7",
"data": {
"accountId": “2345”,
"accountHolder": "John Doe",
"accountNumber": "987-0675-789",
"balances": {
"available": 7500000
}
},
"bank":{
"id": 7,
"name": "BNI Internet Banking",
"bank_code": "BNI Internet Banking",
"country_code": "ID",
"country_name": "Indis",
"primary_color": "url",
"logo": null,
"createdAt": null,
"updatedAt": "2021-07-26T14:58:03.000+00:00",
"channels": null
}
},
{
"id": "f230",
"bankId": "3",
"data": {
"accountId": "9876",
"accountHolder": "Charls",
"accountNumber": "765-6543-345",
"balances": {
"available": 200000
},
"bank":{
"name": "Mandiri",
"bank_code": "Mandiri",
"country_code": "ID",
"country_name": "India",
"primary_color": "url",
"logo": null,
"createdAt": null,
"updatedAt": "2021-07-26T14:58:03.000+00:00",
"channels": null
}
}
}
]

You can use loop to merge two api json into one,
this is my code.
hope I can help u.
const banks = [{
"id": 2,
"name": "KlikBCA",
"bank_code": "KlikBCA",
"country_code": "ID",
"country_name": "India",
"logo": "url",
"createdAt": null,
"updatedAt": "2021-07-26T14:58:03.000+00:00",
"channels": null
}, {
"id": 3,
"name": "Mandiri",
"bank_code": "Mandiri",
"country_code": "ID",
"country_name": "India",
"primary_color": "url",
"logo": null,
"createdAt": null,
"updatedAt": "2021-07-26T14:58:03.000+00:00",
"channels": null
}, {
"id": 7,
"name": "BNI Internet Banking",
"bank_code": "BNI Internet Banking",
"country_code": "ID",
"country_name": "Indis",
"primary_color": "url",
"logo": null,
"createdAt": null,
"updatedAt": "2021-07-26T14:58:03.000+00:00",
"channels": null
}]
const users = [{
"id": "sdf",
"bankId": "7",
"data": [{
"accountId": "1234",
"accountHolder": "John Doe",
"accountNumber": "587-2673-989",
"balances": {
"available": 500000,
}
}, {
"accountId": "2345",
"accountHolder": "John Doe",
"accountNumber": "987-0675-789",
"balances": {
"available": 7500000
}
}]
}, {
"id": "f230",
"bankId": "3",
"data": [{
"accountId": "9876",
"accountHolder": "Charls",
"accountNumber": "765-6543-345",
"balances": {
"available": 200000
}
}]
}]
let resultApi = users.map(u => {
const t = banks.find(b => b.id == u.bankId) || {}
return {
...u,
...t
}
})
console.log(resultApi);

first of all, a feedback, you should write json inside code blocks for readability.
your question seems incomplete as what you want to achieve? you want to show these data in UI (html) or create a new json? and how far have you tried?
try to share a codesandbox/codepen link.
remember, you need to loop through both the arrays and first store bank data inside user's account by matching user.bankId === bank.id and then with the new data set you can show it wherever you want. give it a try first and then let us know in comments if you're unable to achieve.

Angular nested comparison of objects

Compare selectedNewUser object to res.items object using the emailAddress as key , if match then I want to get or at least log the roles from selectedNewUser that matches the email address.
for example on the data below aaa#gmail.com so the roles is , but currently the error is Property 'roles' does not exist on type 'any[]'.ts(2339) . Thanks you :).
#example correct result based on the data below
"roles": [
{
"id": 12,
"name": "Architect",
"isShow": true,
"transactionRoleId": 12
},
{
"id": 11,
"name": "Construction Project Director",
"isShow": true,
"transactionRoleId": 11
}
]
#code logic
private _transactionUserPageEvent() {
this.isTransactionUserLoading = true;
this.transactionUserTable.data = [];
this._userProfileService.getTeamProfileTableDropdown(
this.accountId,
this.transactionUserTable.pageIndex + 1,
this.transactionUserTable.pageSize,
this.searchTransactionUserInput.nativeElement.value,
this.transactionUserTable.sortParams,
this.transactionUserTable.sortDirs
)
.pipe(
finalize(() => this.isTransactionUserLoading = false)
)
.subscribe({
error: err => this._notificationService.showError(err),
next: res => {
this.transactionUserTable.totalElements = res.totalItemCount;
this.transactionUserTable.data = res.items as unknown as UserProfileDropdownDto[];
this.totalData = res.totalItemCount;
this.currentDisplayedData = res.lastItemOnPage;
console.log("res" , res.items)
if(this.selectedNewUser.length !== 0) {
res.items.forEach(item => {
if(item.emailAddress && this.selectedNewUser.findIndex(x => x.emailAddress === item.emailAddress) !== -1){
item.isChecked = true;
this.userSelectedStatus(item);
this.appendUserList(true,item)
this.transactionRoleEvent(this.selectedNewUser.roles, item.id)
// console.log("itemmmm" , this.selectedNewUser)
}
});
}
},
complete: noop
});
}
#selectedNewUser
this.selectedNewUser = [
{
"emailAddress": "aaa#gmail.com",
"firstName": "aa",
"lastName": "aa",
"phoneNumber": "232",
"companyName": "bb",
"title": "CEO",
"roleId": 7,
"associatedAccount": "WLGRN",
"accountId": 4,
"roles": [
{
"id": 12,
"name": "Architect",
"isShow": true,
"transactionRoleId": 12
},
{
"id": 11,
"name": "Construction Project Director",
"isShow": true,
"transactionRoleId": 11
}
]
},
{
"emailAddress": "bbb#gmail.com",
"firstName": "bb",
"lastName": "vv",
"phoneNumber": "34",
"companyName": "test",
"title": "CEO",
"roleId": 7,
"associatedAccount": "WLGRN",
"accountId": 4,
"roles": [
{
"id": 17,
"name": "Janitor",
"isShow": true,
"transactionRoleId": 17
},
{
"id": 18,
"name": "Project Director",
"isShow": true,
"transactionRoleId": 18
}
]
}
]
#res.items data
res.items = [
{
"id": 120107,
"fullName": "0 0",
"roleDisplay": null,
"firstName": "0",
"lastName": "0",
"emailAddress": "aaa#gmail.com",
"phoneNumber": "0",
"companyName": "ee",
"title": "bb",
"lastLogin": null,
"createdDate": "09/08/2021 8:18:04 am",
"isVerified": false,
"roleDto": null,
"status": "Active",
"securityRole": "Unlicensed User",
"lastLoggedIn": "",
"teamCount": 0,
"transactionRoleList": null
},
{
"id": 120108,
"fullName": "0 0",
"roleDisplay": null,
"firstName": "0",
"lastName": "0",
"emailAddress": "0",
"phoneNumber": "0",
"companyName": "0",
"title": "0",
"lastLogin": null,
"createdDate": "09/08/2021 8:19:11 am",
"isVerified": false,
"roleDto": null,
"status": "Active",
"securityRole": "Unlicensed User",
"lastLoggedIn": "",
"teamCount": 0,
"transactionRoleList": null
},
{
"id": 120109,
"fullName": "0000 0000",
"roleDisplay": null,
"firstName": "0000",
"lastName": "0000",
"emailAddress": "0000",
"phoneNumber": "000",
"companyName": "0000",
"title": "000",
"lastLogin": null,
"createdDate": "09/08/2021 8:19:37 am",
"isVerified": false,
"roleDto": null,
"status": "Active",
"securityRole": "Unlicensed User",
"lastLoggedIn": "",
"teamCount": 0,
"transactionRoleList": null
},
{
"id": 120106,
"fullName": "1 1",
"roleDisplay": null,
"firstName": "1",
"lastName": "1",
"emailAddress": "1",
"phoneNumber": "1",
"companyName": "1",
"title": "1",
"lastLogin": null,
"createdDate": "09/08/2021 8:16:33 am",
"isVerified": false,
"roleDto": null,
"status": "Active",
"securityRole": "Unlicensed User",
"lastLoggedIn": "",
"teamCount": 0,
"transactionRoleList": null
},
{
"id": 120103,
"fullName": "111 111",
"roleDisplay": null,
"firstName": "111",
"lastName": "111",
"emailAddress": "11111#gmail.com",
"phoneNumber": "111",
"companyName": "1111",
"title": "11",
"lastLogin": null,
"createdDate": "09/08/2021 8:02:16 am",
"isVerified": false,
"roleDto": null,
"status": "Active",
"securityRole": "Unlicensed User",
"lastLoggedIn": "",
"teamCount": 0,
"transactionRoleList": null
}
]

Problem is that, the selectedNewUser is an Array not a simple Object, you cannot access roles directly from this array selectedNewUser. you need to pass the index also like this.selectedNewUser[0].roles, but at a moment you haven't think about the index of selectedNewUser. You need to modified the your _transactionUserPageEvent() method like below
private _transactionUserPageEvent() {
this.isTransactionUserLoading = true;
this.transactionUserTable.data = [];
this._userProfileService.getTeamProfileTableDropdown(
this.accountId,
this.transactionUserTable.pageIndex + 1,
this.transactionUserTable.pageSize,
this.searchTransactionUserInput.nativeElement.value,
this.transactionUserTable.sortParams,
this.transactionUserTable.sortDirs
)
.pipe(
finalize(() => this.isTransactionUserLoading = false)
)
.subscribe({
error: err => this._notificationService.showError(err),
next: res => {
this.transactionUserTable.totalElements = res.totalItemCount;
this.transactionUserTable.data = res.items as unknown as UserProfileDropdownDto[];
this.totalData = res.totalItemCount;
this.currentDisplayedData = res.lastItemOnPage;
console.log("res" , res.items)
if(this.selectedNewUser.length !== 0) {
res.items.forEach(item => {
if(item.emailAddress){
let index = this.selectedNewUser.findIndex(x => x.emailAddress === item.emailAddress); // getting index separately
if(index !== -1) {
item.isChecked = true;
this.userSelectedStatus(item);
this.appendUserList(true,item)
//this.transactionRoleEvent(this.selectedNewUser.roles, item.id)
this.transactionRoleEvent(this.selectedNewUser[index].roles, item.id) // this will work for you
// console.log("itemmmm" , this.selectedNewUser)
}
}
});
}
},
complete: noop
});
}
Hope it may help you

More efficient way to remove from an object attributes present in a group of objects

I'm manipulating some javascript objects and I want to know if is there a more efficient and easy way to process my data.
I already do that, but I'm a beginner in js.
I have four objects with this structure: basically there is an array of blocks and any object has a different number of blocks. In every block, in the features attribute, I have another array with some features.
Then I have another object, and I have to remove from this object (I call it structure) blocks and features that are not present in my four initial object.
This is a sample product object
[
{
"ID": 16293,
"SortNo": "20",
"FeatureGroup": {
"ID": "148",
"Name": {
"Value": "Design",
"Language": "IT"
}
},
"Features": [
{
"Localized": 0,
"ID": "155744521",
"Type": "dropdown",
"Value": "Round",
"CategoryFeatureId": "85327",
"CategoryFeatureGroupID": "16293",
"SortNo": "155",
"PresentationValue": "Rotondo",
"RawValue": "Round",
"LocalValue": [],
"Description": "The external form",
"Mandatory": "1",
"Searchable": "0",
"Feature": {
"ID": "9397",
"Sign": "",
"Measure": {
"ID": "29",
"Sign": "",
"Signs": {
"ID": "",
"_": "",
"Language": "IT"
}
},
"Name": {
"Value": "Forma",
"Language": "IT"
}
}
},
{
"Localized": 0,
"ID": "155655523",
"Type": "multi_dropdown",
"Value": "White",
"CategoryFeatureId": "85298",
"CategoryFeatureGroupID": "16293",
"SortNo": "90",
"PresentationValue": "Bianco",
"RawValue": "White",
"LocalValue": [],
"Description": "The colour of the housing",
"Mandatory": "1",
"Searchable": "1",
"Feature": {
"ID": "10059",
"Sign": "",
"Measure": {
"ID": "29",
"Sign": "",
"Signs": {
"ID": "",
"_": "",
"Language": "IT"
}
},
"Name": {
"Value": "Colore struttura",
"Language": "IT"
}
}
},
{
"Localized": 0,
"ID": "155655525",
"Type": "multi_dropdown",
"Value": "White",
"CategoryFeatureId": "85301",
"CategoryFeatureGroupID": "16293",
"SortNo": "80",
"PresentationValue": "Bianco",
"RawValue": "White",
"LocalValue": [],
"Description": "The colour of the band",
"Mandatory": "1",
"Searchable": "1",
"Feature": {
"ID": "11025",
"Sign": "",
"Measure": {
"ID": "29",
"Sign": "",
"Signs": {
"ID": "",
"_": "",
"Language": "IT"
}
},
"Name": {
"Value": "Colore cinturino",
"Language": "IT"
}
}
},
{
"Localized": 0,
"ID": "219617494",
"Type": "y_n",
"Value": "Y",
"CategoryFeatureId": "168947",
"CategoryFeatureGroupID": "16293",
"SortNo": "-6",
"PresentationValue": "Sì",
"RawValue": "Y",
"LocalValue": [],
"Description": "The product is protected from water",
"Mandatory": "0",
"Searchable": "0",
"Feature": {
"ID": "7509",
"Sign": "",
"Measure": {
"ID": "26",
"Sign": "",
"Signs": {
"ID": "",
"_": "",
"Language": "IT"
}
},
"Name": {
"Value": "Resistente all'acqua",
"Language": "IT"
}
}
}
]
},
{
"ID": 34567,
"SortNo": "20",
"FeatureGroup": {
"ID": "184",
"Name": {
"Value": "Prestazione",
"Language": "IT"
}
},
"Features": [
{
"Localized": 0,
"ID": "155744528",
"Type": "y_n",
"Value": "N",
"CategoryFeatureId": "94697",
"CategoryFeatureGroupID": "34567",
"SortNo": "800",
"PresentationValue": "No",
"RawValue": "N",
"LocalValue": [],
"Description": "La Frequenza modulare radio produce la miglior recezione di qualsiasi canale radio. Quando viene usato un auricolare, produce un effetto di suono da stereo r",
"Mandatory": "1",
"Searchable": "0",
"Feature": {
"ID": "2172",
"Sign": "",
"Measure": {
"ID": "26",
"Sign": "",
"Signs": {
"ID": "",
"_": "",
"Language": "IT"
}
},
"Name": {
"Value": "Radio FM",
"Language": "IT"
}
}
},
{
"Localized": 0,
"ID": "155744530",
"Type": "multi_dropdown",
"Value": "Not supported",
"CategoryFeatureId": "85357",
"CategoryFeatureGroupID": "34567",
"SortNo": "500",
"PresentationValue": "Non supportato",
"RawValue": "Not supported",
"LocalValue": [],
"Description": "Types of memory cards which can be used with this product.",
"Mandatory": "1",
"Searchable": "0",
"Feature": {
"ID": "730",
"Sign": "",
"Measure": {
"ID": "29",
"Sign": "",
"Signs": {
"ID": "",
"_": "",
"Language": "IT"
}
},
"Name": {
"Value": "Tipi schede di memoria",
"Language": "IT"
}
}
}
]
}
]
Here i loop my initial objects (this.compare_products) to extract, in two arrays (featureGroupIds - featureIds) the ID of my block and the CategoryFeatureId
let featureGroupIds = []
let featureIds = []
this.compare_products.forEach((object) => {
featureGroupIds = featureGroupIds.concat(FeaturesGroups.map(o => o.ID))
featureIds = featureIds.concat(FeaturesGroups.map(o => o.Features.map(o => o. CategoryFeatureId))).flat(2)
})
The two arrays, featureGroupIds and featureIds are now filled with every block ID and every CategoryFeatureId present in my four object.
Now I have to filter the object I call "structure" to remove the block and the features with an ID that is not present in my arrays.
This is my structure, and as you can see is similar.
[
{
"name": "Display",
"data": {
"id": 34566,
"category_id": 2647
},
"features": [
{
"name": "Tipo di display",
"data": {
"id": 85325,
"category_id": 2647,
"feature_id": 9104,
"category_feature_group_id": 34566,
"order": 10100140
}
},
{
"name": "Touch screen",
"data": {
"id": 85331,
"category_id": 2647,
"feature_id": 4963,
"category_feature_group_id": 34566,
"order": 10100129
}
},
{
"name": "Dimensioni schermo",
"data": {
"id": 158002,
"category_id": 2647,
"feature_id": 3544,
"category_feature_group_id": 34566,
"order": 100149
}
},
{
"name": "à di Pixel",
"data": {
"id": 85347,
"category_id": 2647,
"feature_id": 13246,
"category_feature_group_id": 34566,
"order": 100147
}
},
{
"name": "Tipo di vetro",
"data": {
"id": 94704,
"category_id": 2647,
"feature_id": 7610,
"category_feature_group_id": 34566,
"order": 100050
}
}
]
},
{
"name": "Altre caratteristiche",
"data": {
"id": 34569,
"category_id": 2647,
"feature_group_id": 146,
"name": null,
"order": 0
},
"features": [
{
"name": "inside",
"data": {
"id": 110410,
"category_id": 2647,
"feature_id": 18688,
"category_feature_group_id": 34569,
"order": 100000
}
}
]
}
]
Here is my function
structure = structure.filter(featureGroup => this.featureGroupIds.includes(featureGroup.data.id));
structure.map((object) => {
object.features.filter(feature => this.featureIds.includes(feature.data.feature_id))
})
this.featureIds and this.featureGroupIds are the array with the group IDS and with the feature IDS.
Is there a more efficient way to do this?

JSON hierarchy, how to get an element?

$("#loginsubmit").live("click", function() {
var request = new Request();
request.service = "http://88.80.223.163:8080/lumiin-service/lumiin/control/eventmap/1" ;
RequestHandler(request,displayData);
});
function displayData(data) {
//alert(data.contents.ownerId);
var cont = data.contents;
$("#mono").html(''+cont.id);
}
I am using the above code snippet to get the id, which works fine...How do I get the firstName?
Object:
{
"id": 1,
"eventId": {
"URL": "web",
"location": "web",
"url": "web",
"id": 54,
"type": {
"name": "Meeting",
"id": 1,
"isDeleted": "N",
"description": "Meeting"
},
"abteilung": {
"id": 165,
"code": "web123",
"isDeleted": null,
"domainId": 0,
"parentId": 164,
"description": null
},
"eventName": "Tanvi",
"place": "web",
"startDate": 1335830400000,
"endDate": 1337558400000,
"prospectId": null,
"person": "web",
"isDeleted": "N",
"countryId": {
"name": "CH",
"id": 1,
"isDeleted": "N",
"description": "Switzerland"
},
"followUp": null,
"budget": 0,
"description": "web"
},
"ownerId": {
"id": 67,
"firstName": "web123",
"localOrg": null,
"industryTypeId": null,
"memeber": false,
"profileType": "Manager",
"emailId": "web123",
"abteilung": {
"id": 165,
"code": "web123",
"isDeleted": null,
"domainId": 0,
"parentId": 164,
"description": null
},
"userCode": "web123",
"authenticatedAccess": -1,
"uuid": null,
"lastName": "web123",
"isDeleted": "N",
"passWord": "web123",
"fullName": "web123,web123",
"status": 0
},
"prospectId": {
"id": 303,
"firstName": "web123",
"emailId": "web123#gg.com",
"ownerId": {
"id": 67,
"firstName": "web123",
"localOrg": null,
"industryTypeId": null,
"memeber": false,
"profileType": "Manager",
"emailId": "web123",
"abteilung": {
"id": 165,
"code": "web123",
"isDeleted": null,
"domainId": 0,
"parentId": 164,
"description": null
},
"userCode": "web123",
"authenticatedAccess": -1,
"uuid": null,
"lastName": "web123",
"isDeleted": "N",
"passWord": "web123",
"fullName": "web123,web123",
"status": 0
},
"abteilung": {
"id": 165,
"code": "web123",
"isDeleted": null,
"domainId": 0,
"parentId": 164,
"description": null
},
"startDate": 1335744000000,
"endDate": 1337904000000,
"statusId": {
"name": "New",
"id": 1,
"isDeleted": "N",
"description": "New"
},
"company": "company",
"lastName": "web123",
"isDeleted": "N",
"yearofBirth": null,
"annualRevenue": 0,
"nationalityId": {
"name": "CH",
"id": 1,
"isDeleted": "N",
"description": "Switzerland"
},
"titleId": {
"name": "Mr",
"id": 1,
"isDeleted": "N",
"description": "Mr"
},
"maritalstatusId": null,
"residencyId": null,
"languageId": null,
"priorityId": {
"name": "Low",
"id": 1,
"isDeleted": "N",
"description": "Low"
},
"genderId": {
"name": "Male",
"id": 1,
"isDeleted": "N",
"description": "Male"
}
},
"isDeleted": "N"
}

The firstName is a property of the prospectId object you can read it in this way:
var firstName = data.prospectId.firstName;
var lastName = data.prospectId.lastName;
Fiddle