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YAR-14287: Refactor: Cleanup codebase (MaterializeInc#78)
Co-authored-by: Chuck Larrieu Casias <87353672+chuck-alt-delete@users.noreply.github.com>
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Andre Rosa
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Feb 12, 2024
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,69 @@ | ||
| import { SchemaRegistry, SchemaType } from "@kafkajs/confluent-schema-registry"; | ||
| import { Env } from "../utils/env.js"; | ||
| import { OutputFormat } from "./outputFormat"; | ||
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| export class AvroFormat implements OutputFormat { | ||
| private schemas: any = {}; | ||
| private registry: SchemaRegistry; | ||
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| static async create(): Promise<AvroFormat> { | ||
| const url = Env.required("SCHEMA_REGISTRY_URL"); | ||
| const username = Env.optional("SCHEMA_REGISTRY_USERNAME", null); | ||
| const password = Env.optional("SCHEMA_REGISTRY_PASSWORD", null); | ||
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| const configuration = { | ||
| host: url | ||
| }; | ||
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| if (password && username) { | ||
| configuration["auth"] = { | ||
| username: username, | ||
| password: password | ||
| }; | ||
| } | ||
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| const registry = new SchemaRegistry(configuration); | ||
| return new AvroFormat(registry); | ||
| } | ||
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| constructor(registry: SchemaRegistry) { | ||
| this.registry = registry; | ||
| } | ||
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| async register(schema: any, topic: string): Promise<void> { | ||
| const options = { subject: `${schema["name"]}-value` } | ||
| try { | ||
| const resp = await this.registry.register({ | ||
| type: SchemaType.AVRO, | ||
| schema: JSON.stringify(schema) | ||
| }, | ||
| options | ||
| ) | ||
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| alert({ | ||
| type: `success`, | ||
| name: `Schema registered!`, | ||
| msg: `Subject: ${options.subject}, ID: ${resp.id}` | ||
| }); | ||
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| this.schemas[topic] = { | ||
| 'schemaId': resp.id, | ||
| 'schema': schema | ||
| }; | ||
| } catch (error) { | ||
| alert({ | ||
| type: `error`, | ||
| name: `Failed to register schema.`, | ||
| msg: `${error}` | ||
| }); | ||
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| process.exit(1); | ||
| } | ||
| } | ||
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| async encode(record: any, topic: string): Promise<Buffer> { | ||
| const schemaId = this.schemas[topic]['schemaId'] | ||
| const encodedRecord = await this.registry.encode(schemaId, record); | ||
| return encodedRecord; | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,13 @@ | ||
| import { OutputFormat } from "./outputFormat"; | ||
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| export class JsonFormat implements OutputFormat { | ||
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| register(schema: any, topic: string): Promise<void> { | ||
| return Promise.resolve(); | ||
| } | ||
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| encode(record: any, _: string): Promise<Buffer> { | ||
| const value = JSON.stringify(record); | ||
| return Promise.resolve(Buffer.from(value)); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,5 @@ | ||
| export interface OutputFormat { | ||
| register(schema: any, topic: string): Promise<void>; | ||
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| encode(record: any, topic: string): Promise<Buffer>; | ||
| } |
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