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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,112 @@ | ||
| // Copyright (c) Microsoft Corporation. | ||
| // Licensed under the MIT License. | ||
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| import { LgMetaData, LgTemplateRef, LgType } from '@bfc/shared'; | ||
| import { LgTemplate, MicrosoftIDialog, ShellApi } from '@botframework-composer/types'; | ||
|
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| type SerializableLg = { | ||
| originalId: string; | ||
| mainTemplateBody?: string; | ||
| relatedLgTemplateBodies?: Record<string, string>; | ||
| }; | ||
|
|
||
| /** | ||
| * Serializes Lg template to JSON format. | ||
| * @param templateName Name of the template to be serialized. | ||
| * @param fromId Original id of the wrapper template. | ||
| * @param lgText Body of the template. | ||
| * @param lgTemplates List of all available Lg templates | ||
| * @returns A serialized string representing the Lg template. | ||
| */ | ||
| export const serializeLgTemplate = ( | ||
| templateName: string, | ||
| fromId: string, | ||
| lgText: string, | ||
| lgTemplates: LgTemplate[] | ||
| ) => { | ||
| const lgTemplate = lgTemplates.find((x) => x.name === templateName); | ||
|
|
||
| if (!lgTemplate) { | ||
| return ''; | ||
| } | ||
|
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| const exprRegex = /^\${(.*)\(\)}$/; | ||
| const serializableLg: SerializableLg = { | ||
| originalId: fromId, | ||
| mainTemplateBody: lgTemplate?.body, | ||
| }; | ||
|
|
||
| // This section serializes structured responses. | ||
| if (lgTemplate?.properties?.$type === 'Activity') { | ||
| for (const responseType of ['Text', 'Speak', 'Attachments']) { | ||
| if (lgTemplate.properties[responseType]) { | ||
| const subTemplateItems = Array.isArray(lgTemplate.properties[responseType]) | ||
| ? (lgTemplate.properties[responseType] as string[]) | ||
| : ([lgTemplate.properties[responseType]] as string[]); | ||
| for (const subTemplateItem of subTemplateItems) { | ||
| const matched = subTemplateItem.trim().match(exprRegex); | ||
| if (matched && matched.length > 1) { | ||
| const subTemplateId = matched[1]; | ||
| const subTemplate = lgTemplates.find((x) => x.name === subTemplateId); | ||
| if (subTemplate) { | ||
| if (!serializableLg.relatedLgTemplateBodies) { | ||
| serializableLg.relatedLgTemplateBodies = {}; | ||
| } | ||
| serializableLg.relatedLgTemplateBodies[subTemplateId] = subTemplate.body; | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
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| return lgTemplate ? JSON.stringify(serializableLg) : lgText; | ||
| }; | ||
|
|
||
| /** | ||
| * Deserialize serialized Lg template and create all required templates. | ||
| * @param lgFileId Lg file id that hosts the template. | ||
| * @param toId New wrapper if for the Lg template. | ||
| * @param lgText Serialized body of the template. | ||
| * @param hostActionData Hosting dialog data. | ||
| * @param hostFieldName Hosting field name. | ||
| * @param addLgTemplate Api for creating a new template. | ||
| * @returns Deserialized template expression. | ||
| */ | ||
| export const deserializeLgTemplate = async ( | ||
| lgFileId: string, | ||
| toId: string, | ||
| lgText: string, | ||
| hostActionData: MicrosoftIDialog, | ||
| hostFieldName: string, | ||
| addLgTemplate: ShellApi['addLgTemplate'] | ||
| ) => { | ||
| const newLgType = new LgType(hostActionData.$kind, hostFieldName).toString(); | ||
| const newLgTemplateName = new LgMetaData(newLgType, toId).toString(); | ||
| const newLgTemplateRefStr = new LgTemplateRef(newLgTemplateName).toString(); | ||
|
|
||
| try { | ||
| const serializableLg = JSON.parse(lgText) as SerializableLg; | ||
| // It's a serialized JSON string | ||
| const { originalId, mainTemplateBody, relatedLgTemplateBodies } = serializableLg; | ||
|
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| const pattern = `${originalId}`; | ||
| // eslint-disable-next-line security/detect-non-literal-regexp | ||
| const regex = new RegExp(pattern, 'g'); | ||
|
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||
| // Re-create related Lg templates | ||
| if (relatedLgTemplateBodies) { | ||
| for (const subTemplateId of Object.keys(relatedLgTemplateBodies)) { | ||
| const subTemplateBody = relatedLgTemplateBodies[subTemplateId]; | ||
| await addLgTemplate(lgFileId, subTemplateId.replace(regex, toId), subTemplateBody); | ||
| } | ||
| } | ||
|
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||
| // Create the target Lg template | ||
| await addLgTemplate(lgFileId, newLgTemplateName, mainTemplateBody?.replace(regex, toId) ?? ''); | ||
| } catch { | ||
| // It's a normal string, just create the target Lg template | ||
| await addLgTemplate(lgFileId, newLgTemplateName, lgText); | ||
| } | ||
| return newLgTemplateRefStr; | ||
| }; |