Martin Dimitrov
c1f068f5aa
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66 lines
1.3 KiB
JavaScript
66 lines
1.3 KiB
JavaScript
const { DynamoDBClient, GetItemCommand, DeleteItemCommand, PutItemCommand } = require("@aws-sdk/client-dynamodb");
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exports.createDDBClient = (context) => {
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return new DynamoDBClient({
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region: "us-east-1" ,
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credentials: {
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accessKeyId: context.AWS_ACCESS_KEY,
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secretAccessKey: context.AWS_SECRET_ACCESS_KEY,
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},
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});
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};
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exports.getLockStatusCommand = (door) => {
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return new GetItemCommand({
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TableName: "doorman",
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Key: {
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"PK": {
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S: door,
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},
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"SK": {
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S: "lock",
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}
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},
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});
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};
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exports.isLockOpen = (lock) => {
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// ttl is a UTC ms time for how long it is unlocked
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const ttl = lock.Item?.TTL?.N || 0;
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return ttl > Date.now();
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};
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exports.clearLockStatusCommand = (lock) => {
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return new DeleteItemCommand({
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TableName: "doorman",
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Key: {
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"PK": {
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S: lock.Item.PK.S,
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},
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"SK": {
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S: "lock",
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}
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}
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});
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};
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exports.setLockStatusCommand = (door, timeoutSeconds, fingerprintObj) => {
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return new PutItemCommand({
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TableName: "doorman",
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Item: {
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"PK": {
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S: door,
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},
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"SK": {
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S: "lock",
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},
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"TTL": {
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N: `${Date.now() + timeoutSeconds * 1000}`,
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},
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"fingerprint": {
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S: JSON.stringify(fingerprintObj),
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}
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}
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});
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};
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