Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 | 8x 8x 8x 8x 8x 8x 8x 8x 42x 42x 42x 42x 42x 42x 42x 42x 42x 2x 2x 2x 2x 2x 2x 2x 2x 1x 1x 1x 1x 1x 1x 42x 2x 2x 2x 2x 2x 1x 1x 1x 42x 3x 3x 2x 1x 42x 3x 3x 3x 3x 3x 3x 2x 2x 2x 2x 1x 2x 42x 6x 6x 42x 2x | import { Injectable } from '@nestjs/common';
import gql from 'graphql-tag';
import {
TransactionQueryInput,
Transaction,
TransactionConnection,
EntityUuidGsiKeySchema,
TransactionRequestInput,
} from '../types.d';
import { TransactionDb } from './transactionDb';
import {
convertDbItemToTransaction,
convertDbStreamToTransaction,
} from './transactionUtils';
import { DeviceVerification, DeviceService } from '../devices';
import {
AppSyncClient,
EnvironmentService,
DynamodbService,
LambdaService,
} from '../common_services';
import { TransactionRequest } from './transactionDto';
import { UpdateEventPublisher } from '../common_interfaces';
@Injectable()
export class TransactionService extends UpdateEventPublisher {
transactionDb: TransactionDb;
constructor(
private readonly dynamodbService: DynamodbService,
private readonly envService: EnvironmentService,
private readonly deviceVerify: DeviceVerification,
private readonly deviceService: DeviceService,
private readonly appsyncClient: AppSyncClient,
private readonly lambdaService: LambdaService,
) {
super(appsyncClient, (deviceUuid) => this.deviceService.getDeviceStatus(deviceUuid));
this.transactionDb = new TransactionDb(
this.envService.deviceTableName,
this.dynamodbService,
envService.transactionGsi,
envService.accessTokenGsi,
envService.entityUuidGsi,
envService.siteUuidGsi,
);
}
requestTransaction = async (
accessToken: string,
event: TransactionRequestInput,
): Promise<{ status: boolean }> => {
console.log(event);
const cqrsCommandHandler = this.envService.cqrsCommandHandler;
console.log('send transaction request to ', cqrsCommandHandler);
try {
const userIdentityId = await this.deviceService.getEntityUuidByAccessToken(
accessToken,
);
const transactionRequest: TransactionRequest = {
transactionId: event.id,
catid: event.catid,
caid: event.caid,
iso8583: event.iso8583,
userIdentityId,
};
const output = await this.lambdaService.lambda
.invoke({
FunctionName: cqrsCommandHandler,
Payload: JSON.stringify(transactionRequest),
})
.promise();
console.log('invoke command handler lambda response:', output);
return { status: true };
} catch (err) {
console.error(err);
}
return { status: false };
};
subscribeTransactionResponse(event: any): any {
// TODO - implement me - subscribe transaction response handler
console.log(event);
return { id: event.args.id };
}
processProjectionTransactionEvent = async (event: { payload: Transaction }) => {
console.log(event);
try {
const { id, deviceUuid } = event.payload;
const type = `transaction.${new Date().getTime()}`
await this.transactionDb.saveTransaction(deviceUuid, id, type, event.payload)
console.log(`Created Transaction: ${event.payload.id}`)
} catch (e) {
console.error(e)
throw e
}
}
getTransaction = async (transactionUuid: string): Promise<Transaction> => {
const output = await this.transactionDb.getTransaction(transactionUuid);
if (output.Items && output.Items.length > 0) {
return convertDbItemToTransaction(output.Items[0]);
}
throw new Error(`Transaction ${transactionUuid} not found.`);
};
getTransactions = async (
event: TransactionQueryInput,
accessToken: string,
): Promise<TransactionConnection> => {
const entityUuid = await this.deviceService.getEntityUuidByAccessToken(
accessToken,
);
console.log('get entity uuid:', entityUuid);
const output = await this.transactionDb.getTransactions(event, entityUuid);
if (output && output.Items && output.Items.length > 0) {
const transactions = output.Items.map<Transaction>((item) => convertDbItemToTransaction(item));
const nextToken = output.LastEvaluatedKey
? (output.LastEvaluatedKey as EntityUuidGsiKeySchema)
: undefined;
const response = nextToken
? { transactions, nextToken }
: { transactions };
console.log('response:', response);
return response;
}
return { transactions: [] };
};
prepareUpdateEventRequest(item: any, keys: any) {
return {
mutation: gql`
mutation publishTransactionUpdateEvent(
$item: TransactionInput!
) {
publishTransactionUpdateEvent(transaction: $item) {
${keys}
}
}
`,
variables: {
item,
},
};
}
onTransactionStream = async (event: any): Promise<void> => {
console.info('transaction update event:', JSON.stringify(event));
await this.publishUpdateEventToSubscribers<Transaction>(
event,
convertDbStreamToTransaction,
);
};
onTransactionUpdate = async (accessToken: string): Promise<void> => {
await this.deviceVerify.checkAccessToken(accessToken);
};
}
|