new(basic.gblib): SEND FILE pdf as temporary images.
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					 2 changed files with 52 additions and 9 deletions
				
			
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			@ -1463,7 +1463,6 @@ export class DialogKeywords {
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      await CollectionUtil.asyncForEach(pngs, async png => {
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        // Prepare a cache to be referenced by Bot Framework.
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        url = urlJoin(GBServer.globals.publicAddress, min.botId, 'cache', path.basename(png.localName));
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			@ -1478,7 +1477,7 @@ export class DialogKeywords {
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        });
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        if (channel === 'omnichannel' || !user) {
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          await min.conversationalService.sendFile(min, null, mobile, url, caption);
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          await min.whatsAppDirectLine.sendFileToDevice(mobile, url, filename, caption);
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        } else {
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          await min.conversationalService['sendOnConversation'](min, user, reply);
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        }
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			@ -693,7 +693,7 @@ export class WhatsappDirectLine extends GBService {
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    return `${attachment.content.title} - ${attachment.content.text}`;
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  }
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  public async sendFileToDevice(to, url, filename, caption, chatId) {
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  public async sendFileToDevice(to, url, filename, caption, chatId, viewOnce) {
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    let options;
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    switch (this.provider) {
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      case 'meta':
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			@ -707,9 +707,13 @@ export class WhatsappDirectLine extends GBService {
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          whatsappServiceNumber = GBServer.globals.minBoot.instance.whatsappServiceNumber;
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          whatsappServiceKey = GBServer.globals.minBoot.instance.whatsappServiceKey;
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        }
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        const driver = createBot(whatsappServiceNumber, whatsappServiceKey);
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        await driver.sendImage(to, url, { caption: caption });
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        if (viewOnce){
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          this.sendImageViewOnce(to, url, caption);
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        }
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        else{
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          const driver = createBot(whatsappServiceNumber, whatsappServiceKey);
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          await driver.sendImage(to, url, { caption: caption });
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        }
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        break;
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      case 'GeneralBots':
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			@ -761,7 +765,47 @@ export class WhatsappDirectLine extends GBService {
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  public async sendTextAsAudioToDevice(to, msg: string, chatId) {
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    const url = await GBConversationalService.getAudioBufferFromText(msg);
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    await this.sendFileToDevice(to, url, 'Audio', msg, chatId);
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    await this.sendFileToDevice(to, url, 'Audio', msg, chatId, false);
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  }
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  public async sendImageViewOnce(mobile, imageUrl, caption = '') {
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    // Define the API base URL and endpoints
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    const baseUrl = 'https://graph.facebook.com/v20.0'; // API version 20.0
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    const accessToken = this.whatsappServiceKey;
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    const sendMessageEndpoint = `${baseUrl}/${this.whatsappBusinessManagerId}/messages`;
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    const messageData = {
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      messaging_product: 'whatsapp',
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      recipient_type: 'individual',
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      to: mobile,
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      type: 'image',
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      image: {
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        link: imageUrl,
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        caption: caption
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      },
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      view_once: true
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    };
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    const response = await fetch(sendMessageEndpoint, {
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      method: 'POST',
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      headers: {
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        'Authorization': `Bearer ${accessToken}`,
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        'Content-Type': 'application/json'
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      },
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      body: JSON.stringify(messageData)
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    });
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    if (!response.ok) {
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      const errorData = await response.json();
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      throw new Error(`Failed to send image: ${JSON.stringify(errorData)}`);
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    }
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    const result = await response.json();
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    GBLogEx.info(0, 'Image sent successfully:' + result);
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    return result;
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  }
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  // Function to create or update a template using WhatsApp Business API
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