57 lines
2.1 KiB
TypeScript
57 lines
2.1 KiB
TypeScript
// The handlers of the branding procedures: each resolves its ports and calls one use case.
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import { type Container, implement, validationFailed } from "@conusai-kit/core"
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import { DATA_SOURCE, OBJECT_STORE } from "@conusai-kit/data"
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import { brandGet, brandSet, logoClear, logoGet, logoSet } from "../contract/index.js"
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import { type BrandingDeps, clearLogo, getBrand, readLogo, setBrand, setLogo } from "../core/brand.js"
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export const brandingDeps = (container: Container): BrandingDeps => ({
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data: container.resolve(DATA_SOURCE),
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store: container.resolve(OBJECT_STORE),
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})
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/** Standard base64 to bytes, refusing anything else as a 422 that names the field. */
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function bytesOf(body: string): Uint8Array {
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if (!/^[A-Za-z0-9+/]*={0,2}$/.test(body) || body.length % 4 !== 0) {
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throw validationFailed([{ path: "body", message: "is not standard base64" }])
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}
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return Uint8Array.from(atob(body), (char) => char.charCodeAt(0))
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}
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const toBase64 = (bytes: Uint8Array): string => {
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let binary = ""
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for (const byte of bytes) binary += String.fromCharCode(byte)
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return btoa(binary)
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}
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export const brandGetImpl = implement(brandGet, async ({ ctx }) =>
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getBrand(brandingDeps(ctx.container).data, ctx.scope),
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)
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export const brandSetImpl = implement(brandSet, async ({ input, ctx }) =>
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setBrand(brandingDeps(ctx.container).data, ctx.scope, {
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displayName: input.displayName,
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primary: input.primary,
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accent: input.accent,
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}),
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)
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export const logoSetImpl = implement(logoSet, async ({ input, ctx }) =>
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setLogo(brandingDeps(ctx.container), ctx.scope, {
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variant: input.variant,
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contentType: input.contentType,
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bytes: bytesOf(input.body),
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}),
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)
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export const logoClearImpl = implement(logoClear, async ({ input, ctx }) =>
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clearLogo(brandingDeps(ctx.container), ctx.scope, input.variant),
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)
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export const logoGetImpl = implement(logoGet, async ({ input, ctx }) => {
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const logo = await readLogo(brandingDeps(ctx.container), ctx.scope, input.variant, input.size)
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return { contentType: logo.contentType, body: toBase64(logo.bytes) }
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})
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export const BRANDING_PROCEDURES = [brandGetImpl, brandSetImpl, logoSetImpl, logoClearImpl, logoGetImpl]
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