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dbhandler.js
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dbhandler.js
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const neo4j = require('neo4j-driver').v1;
const AWS = require('aws-sdk');
AWS.config.update({
accessKeyId: process.env.AWS_ACCESS_KEY_ID,
secretAccessKey: process.env.AWS_SECRET_ACCESS_KEY,
region: "us-west-2"
});
const dynamodb = new AWS.DynamoDB({endpoint: "https://dynamodb.us-west-2.amazonaws.com"});
const ses = new AWS.SES({endpoint: "https://email.us-west-2.amazonaws.com"});
const driver = neo4j.driver("bolt://hobby-cigccaohojekgbkeenajpcol.dbs.graphenedb.com:24786", neo4j.auth.basic("jobscreed", "b.yF4RVnHdRWXm.5XlJD03131u5IFIf"));
module.exports = {
putitem: function (newuser, callback) {
var query = "MATCH (user:Person {email: '" + newuser.email + "'}) RETURN user";
const session = driver.session();
session.run(query)
.then(function (result) {
if (result.records.length === 0) {
query = "CREATE (user:Person {name: '" + newuser.name + "', " +
"email: '" + newuser.email + "', " +
"password: '" + newuser.password + "', " +
"contact: '" + newuser.contact + "', " +
"gender: '" + newuser.gender + "', " +
"profession: '" + newuser.profession + "', " +
"uid: '" + newuser.uid + "', " +
"dob: '" + newuser.dob + "', " +
"token: '" + newuser.token + "', " +
"photoURL: '" + newuser.photoURL + "', " +
"verified: '" + newuser.verified + "'}) " +
"RETURN user";
const sess = driver.session();
sess.run(query)
.then(function (result1) {
const subject = "Account Verification on JobsCreed";
const verificationLink = "http://jobscreed.com/verify?email=" + encodeURIComponent(newuser.email) + "&token=" + newuser.token;
const params = {
Destination: {ToAddresses: [newuser.email]},
Message: {
Body: {
Html: {
Data: '<html><head>'
+ '<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />'
+ '<title>' + subject + '</title>'
+ '</head><body>'
+ 'Please <a href="' + verificationLink + '">click here to verify your email address</a> or copy & paste the following link in a browser :'
+ '<br><br>'
+ '<a href="' + verificationLink + '">' + verificationLink + '</a><br><br>'
+ 'Do not reply to this mail. This is a computer generated email.'
+ '</body></html>',
Charset: "utf-8"
},
Text: {
Data: "Email Verification",
Charset: "utf-8"
}
},
Subject: {
Data: subject,
Charset: "utf-8"
}
},
Source: "no-reply@jobscreed.com",
SourceArn: "arn:aws:ses:us-west-2:921720508836:identity/jobscreed.com"
};
ses.sendEmail(params, function (err, data) {
if (err) {
console.log(err);
}
});
callback(result1.records[0]._fields[0].properties);
sess.close();
})
.catch(function (error1) {
console.log(error1);
});
}
else {
callback("ConditionalCheckFailedException");
}
session.close();
})
.catch(function (error) {
console.log(error);
});
},
getitem: function (user, callback) {
const query = "MATCH (user:Person {email: '" + user.email + "'}) RETURN user";
const session = driver.session();
session.run(query)
.then(function (result) {
if (result.records.length === 0) {
callback("NotExist");
}
else {
callback(result.records[0]._fields[0].properties);
}
session.close();
})
.catch(function (error) {
console.log(error);
});
},
updateVerifyState: function (input, callback) {
const query = "MATCH (user:Person {email: '" + input.email + "'}) " +
"SET user.verified = 'true' " +
"REMOVE user.token " +
"RETURN user";
const session = driver.session();
session.run(query)
.then(function (result) {
callback(result.records[0]._fields[0].properties);
session.close();
})
.catch(function (error) {
console.log(error);
});
},
storeLostToken: function (input, callback) {
const query = "MATCH (user:Person {email: '" + input.email + "'}) SET user.lostToken = '" + input.lostToken + "' RETURN user";
const session = driver.session();
session.run(query)
.then(function (result) {
const subject = "Reset Password Request";
const lostLink = "http://jobscreed.com/fp?email=" + encodeURIComponent(input.email) + "&token=" + input.lostToken;
const params = {
Destination: {ToAddresses: [input.email]},
Message: {
Body: {
Html: {
Data: '<html><head>'
+ '<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />'
+ '<title>' + subject + '</title>'
+ '</head><body>'
+ 'Please <a href="' + lostLink + '">click here to reset your password</a> or copy & paste the following link in a browser :'
+ '<br><br>'
+ '<a href="' + lostLink + '">' + lostLink + '</a><br><br>'
+ 'Do not reply to this mail. This is a computer generated email.'
+ '</body></html>',
Charset: "utf-8"
},
Text: {
Data: "Reset Passworod Request Email",
Charset: "utf-8"
}
},
Subject: {
Data: subject,
Charset: "utf-8"
}
},
Source: "no-reply@jobscreed.com",
SourceArn: "arn:aws:ses:us-west-2:921720508836:identity/jobscreed.com"
};
ses.sendEmail(params, function (err, data) {
if (err) {
console.log(err);
}
});
callback(result.records[0]._fields[0].properties);
session.close();
})
.catch(function (error) {
console.log(error);
});
},
resetPassword: function (input, callback) {
const query = "MATCH (user:Person {email: '" + input.email + "'}) " +
"SET user.password = '" + input.password + "' " +
"REMOVE user.lostToken " +
"RETURN user";
const session = driver.session();
session.run(query)
.then(function (result) {
const subject = "Password Changed on JobsCreed Account";
const params = {
Destination: {ToAddresses: [input.email]},
Message: {
Body: {
Html: {
Data: '<html><head>'
+ '<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />'
+ '<title>' + subject + '</title>'
+ '</head><body>'
+ 'Password successfully changed on your JobsCreed account.'
+ '<br><br>'
+ 'Do not reply to this mail. This is a computer generated email.'
+ '</body></html>',
Charset: "utf-8"
},
Text: {
Data: "Password Changed Email",
Charset: "utf-8"
}
},
Subject: {
Data: subject,
Charset: "utf-8"
}
},
Source: "no-reply@jobscreed.com",
SourceArn: "arn:aws:ses:us-west-2:921720508836:identity/jobscreed.com"
};
ses.sendEmail(params, function (err, data2) {
if (err) {
console.log(err);
}
});
callback(result.records[0]._fields[0].properties);
session.close();
})
.catch(function (error) {
console.log(error);
});
},
getProfile: function (user, callback) {
const query = "MATCH (user:Person {uid: '" + user.uid + "'}) RETURN user";
const session = driver.session();
session.run(query)
.then(function (result) {
if (result.records.length === 0) {
callback("NotExist");
}
else {
callback(result.records[0]._fields[0].properties);
}
session.close();
})
.catch(function (error) {
console.log(error);
});
},
updatePhotoURL: function (input, callback) {
const query = "MATCH (user:Person {email: '" + input.email + "'}) " +
"SET user.photoURL = '" + input.photoURL + "' " +
"RETURN user";
const session = driver.session();
session.run(query)
.then(function (result) {
callback(result.records[0]._fields[0].properties);
session.close();
})
.catch(function (error) {
console.log(error);
});
},
searchUsers: function (input, callback) {
const query = "MATCH (user:Person) WHERE user.name=~ '(?i).*" + input.searchkey + ".*' RETURN user";
const session = driver.session();
session.run(query)
.then(function (result) {
const users = [];
for (let i = 0; i < result.records.length; i++) {
users[i] = {
name: result.records[i]._fields[0].properties.name,
email: result.records[i]._fields[0].properties.email,
uid: result.records[i]._fields[0].properties.uid
};
}
callback(JSON.stringify(users));
session.close();
})
.catch(function (error) {
console.log(error);
});
},
requestToConnect: function (input, callback) {
const query = "MATCH (a:Person),(b:Person) " +
"WHERE a.uid = '" + input.authProfile + "' " +
"AND b.uid = '" + input.requestProfile + "' " +
"CREATE UNIQUE (a)-[r:ConnectionRequest]->(b) " +
"RETURN r";
const session = driver.session();
session.run(query)
.then(function (result) {
callback("Success");
session.close();
})
.catch(function (error) {
console.log(error);
});
},
confirmConnectionRequest: function (input, callback) {
var query = "MATCH (a:Person),(b:Person) " +
"WHERE a.uid = '" + input.authProfile + "' " +
"AND b.uid = '" + input.requestProfile + "' " +
"CREATE UNIQUE (a)-[r1:Connection]->(b) " +
"CREATE UNIQUE (b)-[r2:Connection]->(a) " +
"RETURN r1, r2";
const session = driver.session();
session.run(query)
.then(function (result) {
query = "MATCH (a {uid:'" + input.authProfile + "'})-[r:ConnectionRequest]-(b {uid:'" + input.requestProfile + "'}) " +
"DELETE r";
const sess = driver.session();
sess.run(query)
.then(function (result1) {
dynamodb.updateItem({
'TableName': 'Notifications',
'Key': {
'uid': {'S': input.requestProfile}
},
'UpdateExpression': 'SET notificationList = list_append(notificationList, :notificationVal)',
'ExpressionAttributeValues': {
':notificationVal': {'L': [{'M': {'name': {'S': input.authProfileName}, 'uid': {'S': input.authProfile}, 'status': {'S': 'unread'}, 'photoURL': {'S': input.authphotoURL}, 'time': {'S': input.time}, 'timeInSec': {'S': input.timeInSec}}}]}
},
'ReturnValues': 'UPDATED_NEW'
}, function (err, data) {
if (err) {
dynamodb.updateItem({
'TableName' : 'Notifications',
'Key': {
'uid': {'S': input.requestProfile}
},
'AttributeUpdates' : {
'notificationList' : {
'Action' : 'PUT',
'Value': {'L': [{'M': {'name': {'S': input.authProfileName}, 'uid': {'S': input.authProfile}, 'status': {'S': "unread"}, 'photoURL': {'S': input.authphotoURL}, 'time': {'S': input.time}, 'timeInSec': {'S': input.timeInSec}}}]}
}
}
}, function (err1, data1) {
if(err1) {
console.log(err1);
}
else {
callback("NotificationSent");
}
});
}
else {
callback("NotificationSent");
}
});
sess.close();
})
.catch(function (error1) {
console.log(error1);
});
session.close();
})
.catch(function (error) {
console.log(error);
});
},
removeConnectionRequest: function (input, callback) {
const query = "MATCH (a {uid:'" + input.authProfile + "'})-[r:ConnectionRequest]-(b {uid:'" + input.requestProfile + "'}) " +
"DELETE r";
const session = driver.session();
session.run(query)
.then(function (result) {
callback("Success");
session.close();
})
.catch(function (error) {
console.log(error);
});
},
removeConnection: function (input, callback) {
const query = "MATCH (a {uid:'" + input.authProfile + "'})-[r:Connection]-(b {uid:'" + input.requestProfile + "'}) " +
"DELETE r";
const session = driver.session();
session.run(query)
.then(function (result) {
callback("Success");
session.close();
})
.catch(function (error) {
console.log(error);
});
},
checkConnection: function (input, callback) {
const query = "MATCH (a {uid:'" + input.authProfile + "'})-[r:Connection]-(b {uid:'" + input.requestProfile + "'}) RETURN r";
const session = driver.session();
session.run(query)
.then(function (result) {
if (result.records.length === 0) {
callback("NoConnection");
}
else {
callback("Connected");
}
session.close();
})
.catch(function (error) {
console.log(error);
});
},
checkInvitation: function (input, callback) {
const query = "MATCH (a {uid:'" + input.authProfile + "'})-[r:ConnectionRequest]->(b {uid:'" + input.requestProfile + "'}) RETURN r";
const session = driver.session();
session.run(query)
.then(function (result) {
if (result.records.length === 0) {
callback("NoConnectionRequest");
}
else {
callback("ConnectionRequested");
}
session.close();
})
.catch(function (error) {
console.log(error);
});
},
checkInvitationByOtherUser: function (input, callback) {
const query = "MATCH (a {uid:'" + input.authProfile + "'})<-[r:ConnectionRequest]-(b {uid:'" + input.requestProfile + "'}) RETURN r";
const session = driver.session();
session.run(query)
.then(function (result) {
if (result.records.length === 0) {
callback("NoConnectionRequestByOtherUser");
}
else {
callback("ConnectionRequestedByOtherUser");
}
session.close();
})
.catch(function (error) {
console.log(error);
});
},
getAllConnections: function (input, callback) {
const query = "MATCH (n {uid:'" + input.uid + "'})-[r:Connection]->(c) " +
"RETURN {name: c.name, uid: c.uid, photoURL: c.photoURL, email: c.email}";
const session = driver.session();
session.run(query)
.then(function (result) {
var connections = [];
for (let i = 0; i < result.records.length; i++) {
connections.push(result.records[i]._fields[0]);
}
function sortFunction(a, b) {
a = a.name;
b = b.name;
return (a === b) ? 0 : (a < b) ? -1 : 1;
}
connections.sort(sortFunction);
callback(connections);
session.close();
})
.catch(function (error) {
console.log(error);
});
},
getAllInvitations: function (input, callback) {
const query = "MATCH (n {uid:'" + input.uid + "'})<-[r:ConnectionRequest]-(c) " +
"RETURN {name: c.name, uid: c.uid, photoURL: c.photoURL, email: c.email}";
const session = driver.session();
session.run(query)
.then(function (result) {
callback(result.records);
session.close();
})
.catch(function (error) {
console.log(error);
});
},
getNotifications: function (input, callback) {
dynamodb.getItem({
'TableName': 'Notifications',
'Key': {'uid': {'S': input.authProfile}},
}, function (err, data) {
if(err) {
console.log(err);
}
else {
callback(data);
}
});
},
changeNotificationStatus: function (input, callback) {
dynamodb.updateItem({
'TableName' : 'Notifications',
'Key': {
'uid': {'S': input.uid}
},
'AttributeUpdates' : {
'notificationList' : {
'Action' : 'PUT',
'Value': {'L': input.notificationList}
}
}
}, function (err, data) {
if (err) {
console.log(err);
}
else {
callback(data);
}
});
},
putChatConversation: function (input, callback) {
dynamodb.updateItem({
'TableName': 'Chats',
'Key': {
'uid': {'S': input.uid}
},
'UpdateExpression': 'SET #MESSAGEID.chatList = list_append(#MESSAGEID.chatList, :messageVal)',
'ExpressionAttributeNames': {
'#MESSAGEID': input.chattingWithID
},
'ExpressionAttributeValues': {
':messageVal': {'L': [{'M': {'from': {'S': input.from}, 'message': {'S': input.message}, 'status': {'S': input.status}, 'timeInSec': {'S': input.timeInSec}, 'time': {'S': input.time}}}]}
},
'ReturnValues': 'UPDATED_NEW'
}, function (err, data) {
if (err) {
dynamodb.updateItem({
'TableName' : 'Chats',
'Key': {
'uid': {'S': input.uid}
},
'AttributeUpdates' : {
[input.chattingWithID] : {
'Action' : 'PUT',
'Value': {'M': {'chatList': {'L': [{'M': {'from': {'S': input.from}, 'message': {'S': input.message}, 'status': {'S': input.status}, 'timeInSec': {'S': input.timeInSec}, 'time': {'S': input.time}}}]}, 'name': {'S': input.chattingWithName}, 'uid': {'S': input.chattingWithID}, 'photoURL': {'S': input.chattingWithPhotoURL}}}
}
}
}, function (err1, data1) {
if(err1) {
console.log(err1);
}
else {
callback(true);
}
});
}
else {
callback(false);
}
});
},
getChatConversations: function (input, callback) {
dynamodb.getItem({
'TableName': 'Chats',
'Key': {'uid': {'S': input.uid}},
}, function (err, data) {
if(err) {
callback("NoChats");
}
else {
callback(data);
}
});
},
updateMessageReadStatus: function (input, callback) {
dynamodb.updateItem({
'TableName' : 'Chats',
'Key': {
'uid': {'S': input.uid}
},
'AttributeUpdates' : {
[input.chattingWithID] : {
'Action' : 'PUT',
'Value': {'M': {'chatList': {'L': input.chatList}, 'name': {'S': input.chattingWithName}, 'uid': {'S': input.chattingWithID}, 'photoURL': {'S': input.chattingWithPhotoURL}}}
}
}
}, function (err, result) {
if (err) {
console.log(err);
}
else {
callback(result);
}
});
},
deleteAccount: function (input, callback) {
var query = "MATCH (user:Person {email: '" + input.email + "'})-[relationships]-() DELETE relationships";
const session = driver.session();
session.run(query)
.then(function (result) {
query = "MATCH (user:Person {email: '" + input.email + "'}) DELETE user";
const sess = driver.session();
sess.run(query)
.then(function (result1) {
dynamodb.deleteItem({
'TableName' : 'Chats',
'Key': {
'uid': {'S': input.uid}
}
}, function (err2, result2) {
if (err2) {
console.log(err2);
}
dynamodb.deleteItem({
'TableName' : 'Notifications',
'Key': {
'uid': {'S': input.uid}
}
}, function (err3, result3) {
if (err3) {
console.log(err3);
}
dynamodb.deleteItem({
'TableName' : 'Blogs',
'Key': {
'uid': {'S': input.uid}
}
}, function (err4, result4) {
if (err4) {
console.log(err4);
}
else {
callback("Account Deleted");
}
});
});
});
sess.close();
})
.catch(function (error1) {
console.log(error1);
});
session.close();
})
.catch(function (error) {
console.log(error);
});
},
updateAccountSettings: function (query, callback) {
const session = driver.session();
session.run(query)
.then(function (result) {
callback(result.records[0]._fields[0].properties);
session.close();
})
.catch(function (error) {
console.log(error);
});
},
addBlog: function (input, callback) {
dynamodb.updateItem({
'TableName': 'Blogs',
'Key': {
'uid': {'S': input.uid}
},
'UpdateExpression': 'SET blogList = list_append(blogList, :blogVal)',
'ExpressionAttributeValues': {
':blogVal': {'L': [{'M': {'name': {'S': input.name}, 'uid': {'S': input.uid}, 'photoURL': {'S': input.photoURL}, 'blogTitle': {'S': input.blogTitle}, 'blogInput': {'S': input.blogInput}, 'timeInSec': {'S': input.timeInSec}, 'time': {'S': input.time}}}]}
},
'ReturnValues': 'UPDATED_NEW'
}, function (err, data) {
if (err) {
dynamodb.updateItem({
'TableName' : 'Blogs',
'Key': {
'uid': {'S': input.uid}
},
'AttributeUpdates' : {
'blogList' : {
'Action' : 'PUT',
'Value': {'L': [{'M': {'name': {'S': input.name}, 'uid': {'S': input.uid}, 'photoURL': {'S': input.photoURL}, 'blogTitle': {'S': input.blogTitle}, 'blogInput': {'S': input.blogInput}, 'timeInSec': {'S': input.timeInSec}, 'time': {'S': input.time}}}]}
}
}
}, function (err1, data1) {
if(err1) {
console.log(err1);
}
else {
callback("Success");
}
});
}
else {
callback("Success");
}
});
},
getAllBlogs: function (input, callback) {
dynamodb.getItem({
'TableName': 'Blogs',
'Key': {'uid': {'S': input.uid}},
}, function (err, data) {
if(err) {
console.log(err);
}
else {
callback(data);
}
});
},
updateBlogs: function (input, callback) {
if (input.blogList === undefined || input.blogList.length <= 0) {
dynamodb.deleteItem({
'TableName' : 'Blogs',
'Key': {
'uid': {'S': input.uid}
}
}, function (err, result) {
if (err) {
console.log(err);
}
else {
callback(result);
}
});
}
else {
dynamodb.updateItem({
'TableName' : 'Blogs',
'Key': {
'uid': {'S': input.uid}
},
'AttributeUpdates' : {
'blogList' : {
'Action' : 'PUT',
'Value': {'L': input.blogList}
}
}
}, function (err, result) {
if (err) {
console.log(err);
}
else {
callback(result);
}
});
}
}
};