Dear Sir/Madam,
The following program works when there is data in the table. I want to
capture the situation when the server side code returns no data.
How do I capture the response status?
Please help.
Regards,
Partha
*Angular Side Code:*
constructor(private httpClient: HttpClient, private router: Router) {}
getRoles() {
this.httpClient
.get<{message: string, roles: Role[], recordGoodCount: number}>(
'http://localhost:3000/api/role')
.subscribe((roleData) => {
alert(roleData.roles.length);
this.roleList = roleData.roles;
this.roleListUpdated.next([...this.roleList]);
});
}
*Server Side Code:*
router.get("", (request, response, next) => {
(async () => {
const SQLStatement = "SELECT PF_ROLE_CODE roleCode, PF_ROLE_NAME roleName
FROM PT_ROLE WHERE PF_DLTD = 'N';";
returnValue = await executeSQL(SQLStatement);
console.log(returnValue[0]);
rolesFetched = [];
recordCount = 0;
returnValue.forEach(element => {
element.forEach(ele => {
recordCount ++;
rolesFetched.push({
roleCode: ele.ROLECODE,
roleName: ele.ROLENAME,
updateUser: ''
});
})
});
console.log(recordCount);
if(recordCount > 0) {
response.status(200).json({
message: 'Roles fetched successfully',
roles: rolesFetched,
recordGoodCount: recordCount
});
} else {
response.status(404).json({
message: 'Roles fetch failed'
});
}
})();
});
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