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feat(api): adding instant preview endpoint
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12 changes: 12 additions & 0 deletions
12
apps/api/src/app/environments/render/email-preview-renderer.ts
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,12 @@ | ||
| import { EMAIL_EDITOR_JSON_KEY, EmailPreviewResult } from '@novu/shared'; | ||
| import { Renderer } from './output-render-factory'; | ||
| import { expendSchema, TiptapNode } from './email-schema-extender'; | ||
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| export class EmailPreviewRenderer implements Renderer<EmailPreviewResult> { | ||
| render(controlValues: Record<string, unknown>): EmailPreviewResult { | ||
| const subject = (controlValues.subject as string) || 'Default Email Subject'; | ||
| const body = expendSchema(controlValues[EMAIL_EDITOR_JSON_KEY] as TiptapNode); | ||
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| return { subject, body: JSON.stringify(body) }; | ||
| } | ||
| } |
75 changes: 75 additions & 0 deletions
75
apps/api/src/app/environments/render/email-schema-extender.ts
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,75 @@ | ||
| /* eslint-disable */ | ||
| export type TiptapNode = { | ||
| type: string; | ||
| content?: TiptapNode[]; | ||
| text?: string; | ||
| attr?: Record<string, any>; | ||
| }; | ||
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| export function expendSchema(schema: TiptapNode): TiptapNode { | ||
| const content = schema.content!.map(processNodeRecursive).filter((x) => Boolean(x)) as TiptapNode[]; | ||
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| return { ...schema, content }; | ||
| } | ||
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| function processItemNode(node: TiptapNode, item: any): TiptapNode { | ||
| if (node.type === 'text' && typeof node.text === 'string') { | ||
| const regex = /{{(novu\.item\.(\w+))}}/g; | ||
| node.text = node.text.replace(regex, (_, key: string) => { | ||
| const propertyName = key.split('.')[2]; | ||
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| return item[propertyName] !== undefined ? item[propertyName] : _; | ||
| }); | ||
| } | ||
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| if (node.content) { | ||
| node.content = node.content.map((innerNode) => processItemNode(innerNode, item)); | ||
| } | ||
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| return node; | ||
| } | ||
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| const processNodeRecursive = (node: TiptapNode): TiptapNode | null => { | ||
| if (node.type === 'show') { | ||
| const whenValue = node.attr?.when; | ||
| if (whenValue !== 'true') { | ||
| return null; | ||
| } | ||
| } | ||
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| if (hasEachAttr(node)) { | ||
| return handleFor(node); | ||
| } | ||
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| return processNodeContent(node); | ||
| }; | ||
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| const processNodeContent = (node: TiptapNode): TiptapNode | null => { | ||
| if (node.content) { | ||
| node.content = node.content.map(processNodeRecursive).filter(Boolean) as TiptapNode[]; | ||
| } | ||
| return node; | ||
| }; | ||
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| function hasEachAttr(node: TiptapNode): node is TiptapNode & { attr: { each: any } } { | ||
| return node.attr !== undefined && node.attr.each !== undefined; | ||
| } | ||
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| function handleFor(node: TiptapNode & { attr: { each: any } }) { | ||
| const items = node.attr.each; | ||
| const newContent: TiptapNode[] = []; | ||
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| for (const item of items) { | ||
| const newNode = { ...node }; | ||
| newNode.content = | ||
| newNode.content?.map((innerNode) => { | ||
| return processItemNode(innerNode, item); | ||
| }) || []; | ||
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| if (newNode.content) { | ||
| newContent.push(...newNode.content); | ||
| } | ||
| } | ||
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| return { type: 'container', content: newContent }; | ||
| } |
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