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CloudWatchClient, PutMetricDataCommand
} from '@aws-sdk/client-cloudwatch';
import twilio from 'twilio';
import {
getTwilioSecret, twilioPhoneCategories
} from '@/deprecated/utils/general';
import {
FullTextObject, TextTypes
} from '@/types/api/texts';
import {
FullUserObject, PagingTalkgroup, UserDepartment
} from '@/types/api/users';
import { AlertCategory } from '@/types/backend/alerts';
import { PhoneNumberTypes } from '@/types/backend/department';
import {
TypedScanInput, TypedUpdateInput
} from '@/types/backend/dynamo';
import {
TABLE_TEXT, TABLE_USER, typedScan, typedUpdate
} from '@/utils/backend/dynamoTyped';
import { getLogger } from '@/utils/common/logger';
import { getUserPermissions } from '@/utils/common/user';
const logger = getLogger('stack/resources/utils/texts');
const cloudWatch = new CloudWatchClient();
const testUser = Number(process.env.TESTING_USER);
export async function getUserRecipients(
department: UserDepartment | 'all',
pageTg: PagingTalkgroup | null,
isTest: boolean = false
): Promise<FullUserObject[]> {
logger.trace('getUserRecipients', ...arguments);
// Build out the scanning information
const scanInput: TypedScanInput<FullUserObject> = {
TableName: TABLE_USER,
};
const filterExpressions: string[] = [];
if (pageTg !== null) {
scanInput.ExpressionAttributeNames = scanInput.ExpressionAttributeNames || {};
scanInput.ExpressionAttributeValues = scanInput.ExpressionAttributeValues || {};
filterExpressions.push('contains(#talkgroups, :talkgroup)');
scanInput.ExpressionAttributeNames['#talkgroups'] = 'talkgroups';
scanInput.ExpressionAttributeValues[':talkgroup'] = pageTg;
}
if (department !== 'all') {
scanInput.ExpressionAttributeValues = scanInput.ExpressionAttributeValues || {};
filterExpressions.push(`#${department}.#active = :active`);
scanInput.ExpressionAttributeNames = {
...scanInput.ExpressionAttributeNames || {},
[`#${department}`]: department,
'#active': 'active',
};
scanInput.ExpressionAttributeValues[':active'] = true;
}
// Handle test pages/notifications/etc
if (isTest) {
scanInput.ExpressionAttributeNames = scanInput.ExpressionAttributeNames || {};
scanInput.ExpressionAttributeValues = scanInput.ExpressionAttributeValues || {};
filterExpressions.push('#isTest = :isTest');
scanInput.ExpressionAttributeNames['#isTest'] = 'isTest';
scanInput.ExpressionAttributeValues[':isTest'] = true;
}
// Add the filter expressions to the query
if (filterExpressions.length > 0) {
scanInput.FilterExpression = filterExpressions.join(' AND ');
}
const result = await typedScan(scanInput);
const users = result.Items || [];
if (isTest && !users.some(u => u.phone === testUser)) {
users.push({
phone: testUser,
});
}
return users;
}
const messageTypesThatRequireDepartment: TextTypes[] = [
'department',
'departmentAnnounce',
'departmentAlert',
];
export async function saveMessageData(
messageType: TextTypes,
messageId: number,
recipients: number,
body: string,
mediaUrls: string[] = [],
pageId: string | null = null,
pageTg: PagingTalkgroup | null = null,
department: UserDepartment | null = null,
isTest: boolean = false
) {
logger.trace('saveMessageData', ...arguments);
if (messageTypesThatRequireDepartment.includes(messageType) && department === null) {
department = 'PageOnly';
}
const promises: Promise<unknown>[] = [];
// Build the insert/update statement
const updateItem: TypedUpdateInput<FullTextObject> & Required<Pick<TypedUpdateInput<FullTextObject>, 'ExpressionAttributeValues'>> = {
TableName: TABLE_TEXT,
Key: {
datetime: messageId,
},
ExpressionAttributeNames: {
'#recipients': 'recipients',
'#body': 'body',
'#testPageIndex': 'testPageIndex',
'#isPage': 'isPage',
'#isTest': 'isTest',
'#type': 'type',
},
ExpressionAttributeValues: {
':recipients': recipients,
':body': body,
':isPage': pageId !== null,
':isTest': isTest,
':testPageIndex': `${isTest ? 'y' : 'n'}${pageId !== null ? 'y' : 'n'}`,
':type': messageType,
},
};
const updateExpressions: string[] = [
'#recipients = :recipients',
'#body = :body',
'#isPage = :isPage',
'#isTest = :isTest',
'#testPageIndex = :testPageIndex',
'#type = :type',
];
if (department !== null) {
updateItem.ExpressionAttributeNames['#department'] = 'department';
updateItem.ExpressionAttributeValues[':department'] = department;
updateExpressions.push('#department = :department');
}
if (pageTg !== null) {
updateItem.ExpressionAttributeNames['#talkgroup'] = 'talkgroup';
updateItem.ExpressionAttributeValues[':talkgroup'] = pageTg;
updateExpressions.push('#talkgroup = :talkgroup');
}
if (pageId !== null) {
updateItem.ExpressionAttributeNames['#pageId'] = 'pageId';
updateItem.ExpressionAttributeValues[':pageId'] = pageId;
updateExpressions.push('#pageId = :pageId');
}
if (mediaUrls.length > 0) {
updateItem.ExpressionAttributeNames['#mediaUrls'] = 'mediaUrls';
updateItem.ExpressionAttributeValues[':mediaUrls'] = mediaUrls;
updateExpressions.push('#mediaUrls = :mediaUrls');
}
updateItem.UpdateExpression = `SET ${updateExpressions.join(', ')}`;
promises.push(typedUpdate<FullTextObject>(updateItem));
// Add the metric data
const dataDate = new Date(messageId);
promises.push(cloudWatch.send(new PutMetricDataCommand({
Namespace: 'Twilio Health',
MetricData: [ {
MetricName: 'Initiated',
Timestamp: dataDate,
Unit: 'Count',
Value: recipients,
}, ],
}))
.catch(e => logger.error('Error pushing metrics in saveMessageData', e)));
await Promise.all(promises);
}
export async function sendMessage(
messageType: TextTypes,
messageId: number | null,
phone: number,
sendNumberCategory: PhoneNumberTypes,
body: string,
mediaUrls: string[] = [],
isTest: boolean = false
) {
logger.trace('sendMessage', ...arguments);
// Make sure the number is valid
const phoneCategories = await twilioPhoneCategories();
if (typeof phoneCategories[sendNumberCategory] === 'undefined') {
throw new Error(`Invalid phone number category - ${sendNumberCategory}`);
}
const numberConfig = phoneCategories[sendNumberCategory];
let saveMessageDataPromise: Promise<unknown> = new Promise(res => res(null));
if (messageId === null) {
messageId = Date.now();
saveMessageDataPromise = saveMessageData(
messageType,
messageId,
1,
body,
mediaUrls,
null,
null,
null,
isTest
);
}
// Get the twilio configuration
const twilioConf = await getTwilioSecret();
if (twilioConf === null) {
throw new Error('Unable to get twilio secret');
}
const fromNumber = numberConfig.number;
const accountSid = twilioConf[`accountSid${numberConfig.account || ''}`];
const authToken = twilioConf[`authToken${numberConfig.account || ''}`];
if (
typeof fromNumber === 'undefined' ||
typeof accountSid === 'undefined' ||
typeof authToken === 'undefined'
) {
logger.error(`Invalid phone information - ${sendNumberCategory}`, fromNumber, accountSid, authToken);
throw new Error(`Invalid phone information - ${sendNumberCategory}`);
}
return Promise.all([
twilio(accountSid, authToken)
.messages.create({
body,
mediaUrl: mediaUrls,
from: fromNumber,
to: `+1${phone}`,
statusCallback: `https://cofrn.org/api/v2/twilio/${messageId}/`,
}),
saveMessageDataPromise,
]);
}
export async function sendAlertMessage(
alertType: AlertCategory,
body: string
) {
logger.trace('sendAlertMessage', ...arguments);
const messageId = Date.now();
const recipients = (await getUserRecipients('all', null))
.filter(user => user[`get${alertType}Alerts`]);
if (recipients.length === 0) {
throw new Error(`No recipients found for ${alertType} alert`);
}
await Promise.all([
saveMessageData('alert', messageId, recipients.length, body),
...recipients.map(user => sendMessage(
'alert',
messageId,
user.phone,
'alert',
body
)),
]);
}
const DEFAULT_PAGE_NUMBER = 'page';
export async function getPageNumber(user: FullUserObject): Promise<PhoneNumberTypes> {
// Get the active departments for the user
const possibleDepartments = getUserPermissions(user).activeDepartments;
// Get the twilio phone information
const phoneCategories = await twilioPhoneCategories();
// If there is only one department, use that department's number
if (possibleDepartments.length === 1) {
const phoneName: `page${UserDepartment}` = `page${possibleDepartments[0]}`;
return phoneName in phoneCategories
? phoneName as PhoneNumberTypes
: DEFAULT_PAGE_NUMBER;
}
// Check for an explicitly set paging number
if (
typeof user.pagingPhone !== 'undefined' &&
possibleDepartments.includes(user.pagingPhone) &&
`page${user.pagingPhone}` in phoneCategories
) {
return `page${user.pagingPhone}`;
}
/*
* Use the global paging number if the user is:
* - a member of multiple departments without a paging number set
* - a member no departments
*/
return DEFAULT_PAGE_NUMBER;
}
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