new(payment.gblib): #354 QRcode for payments.

packages/basic.gblib/services/DialogKeywords.ts

@@ -1171,20 +1171,29 @@ export class DialogKeywords {
     const { min, user } = await DialogKeywords.getProcessInfo(pid);
     const element = filename._page ? filename._page : filename.screenshot ? filename : null;
     let url;
+    let nameOnly;
+
+    // Web automation.
 
     if (element) {
       const gbaiName = DialogKeywords.getGBAIPath(min.botId);
       const localName = Path.join('work', gbaiName, 'cache', `img${GBAdminService.getRndReadableIdentifier()}.jpg`);
+      nameOnly = Path.basename(localName);
       await element.screenshot({ path: localName, fullPage: true });
 
       url = urlJoin(GBServer.globals.publicAddress, min.botId, 'cache', Path.basename(localName));
 
       GBLog.info(`BASIC: WebAutomation: Sending the file ${url} to mobile ${mobile}.`);
-    } else if (filename.url) {
-      url = filename.url;
     } 
     
+    // GBFILE object.
+
+    else if (filename.url) {
+      url = filename.url;
+      nameOnly = Path.basename(filename.localName);
+    }
     // Handles Markdown.
+
     else if (filename.indexOf('.md') > -1) {
       GBLog.info(`BASIC: Sending the contents of ${filename} markdown to mobile ${mobile}.`);
       const md = await min.kbService.getAnswerTextByMediaName(min.instance.instanceId, filename);
@@ -1203,6 +1212,8 @@ export class DialogKeywords {
       } else {
         url = filename
       }
+
+      nameOnly = filename;
     }
 
     if (url) {
@@ -1213,7 +1224,7 @@ export class DialogKeywords {
       const contentType = mime.lookup(url);
       reply['attachments'] = [];
       reply['attachments'].push({
-        name: filename,
+        name: nameOnly,
         contentType: contentType,
         contentUrl: `data:${contentType};base64,${base64Image}`
       });

packages/basic.gblib/services/KeywordsExpressions.ts

@@ -253,6 +253,16 @@ export class KeywordsExpressions {
 
     keywords[i++] = [/^\s*next *$/gim, '}'];
 
+    keywords[i++] = [
+      /^\s*((?:[a-z]+.?)(?:(?:\w+).)(?:\w+)*)\s*=\s*pay\s*(.*)/gim,
+      ($0, $1, $2, $3) => {
+        const params = this.getParams($2, ['orderId', 'customerName', 'ammount']);
+        
+        return `
+          ${$1} = await sys.pay({pid: pid, ${params}})`;
+      }
+    ];
+
     keywords[i++] = [
       /^\s*do while +(.*)/gim,
       function (input, group1) {

packages/basic.gblib/services/SystemKeywords.ts

@@ -181,13 +181,11 @@ export class SystemKeywords {
 
       if (Array.isArray(data)) {
         isObject = Object.keys(data[1]) !== null;
-      }
-      else {
+      } else {
         isObject = true;
       }
 
       if (isObject || JSON.parse(data) !== null) {
-
         // Copies data from JSON format into simple array.
 
         if (!Array.isArray(data)) {
@@ -210,7 +208,6 @@ export class SystemKeywords {
           output.push({ gbarray: '0' });
         }
 
-
         for (let i = 0; i < data.length; i++) {
           output[i + 1] = [];
           for (let j = 0; j < keys.length; j++) {
@@ -234,7 +231,6 @@ export class SystemKeywords {
    * @see http://tabulator.info/examples/5.2
    */
   private async renderTable(pid, data, renderPDF, renderImage) {
-
     if (data.length && !data[1]) {
       return null;
     }
@@ -661,7 +657,6 @@ export class SystemKeywords {
 
     const filter = await DialogKeywords.getOption({ pid, name: 'filter' });
     if (filter) {
-
       // Creates id row.
 
       body.values[0][0] = 'id';
@@ -1121,7 +1116,7 @@ export class SystemKeywords {
       }
     }
 
-    const outputArray = await DialogKeywords.getOption({ pid, name:"output" });
+    const outputArray = await DialogKeywords.getOption({ pid, name: 'output' });
 
     if (table.length === 1) {
       GBLog.info(`BASIC: FIND returned no results (zero rows).`);
@@ -1877,5 +1872,63 @@ export class SystemKeywords {
     await client.v2.tweet(text);
     GBLog.info(`Twitter Automation: ${text}.`);
   }
-}
 
+  public async pay({ pid, orderId, customerName, ammount }) {
+    const { min, user } = await DialogKeywords.getProcessInfo(pid);
+
+    const gbaiName = DialogKeywords.getGBAIPath(min.botId);
+
+    const merchantId = min.core.getParam(min.instance, 'Merchant ID', null);
+    const merchantKey = min.core.getParam(min.instance, 'Merchant Key', null);
+
+    if (!merchantId || !merchantKey) {
+      throw new Error('Payment not configured in .gbot.');
+    }
+
+    const apiUrl = 'https://apisandbox.cieloecommerce.cielo.com.br/1/sales/';
+    const requestId = GBAdminService.generateUuid();
+
+    GBLog.info(`GBPay: ${requestId}, ${orderId}, ${ammount}... `);
+
+    const requestData = {
+      MerchantOrderId: orderId,
+      Customer: {
+        Name: customerName
+      },
+      Payment: {
+        Type: 'qrcode',
+        Amount: ammount,
+        Installments: 1,
+        Capture: false,
+        Modality: 'Debit'
+      }
+    };
+
+    const response = await fetch(apiUrl, {
+      method: 'POST',
+      body: JSON.stringify(requestData),
+      headers: {
+        'Content-Type': 'application/json',
+        MerchantId: merchantId,
+        MerchantKey: merchantKey,
+        RequestId: requestId
+      }
+    });
+
+    if (!response.ok) {
+      throw new Error(`HTTP error! Status: ${response.status}`);
+    }
+    const data = await response.json();
+    
+    // Prepare an image on cache and return the GBFILE information.
+    
+    const buf = Buffer.from(data.Payment.QrCodeBase64Image, 'base64');
+    const localName = Path.join('work', gbaiName, 'cache', `qr${GBAdminService.getRndReadableIdentifier()}.png`);
+    Fs.writeFileSync(localName, buf, { encoding: null });
+    const url = urlJoin(GBServer.globals.publicAddress, min.botId, 'cache', Path.basename(localName));
+    
+    GBLog.info(`GBPay: ${data.MerchantOrderId} OK: ${url}.`);
+
+    return { localName: localName, url: url, data: buf, text: data.Payment.QrCodeString };
+  }
+}