fix(api spec): issues/17 local run openapi spec

scripts/openapi.docs.js

@@ -6,14 +6,41 @@ const swaggerUi = require('swagger-ui-express');
 const YAML = require('yamljs');
 const openApiSpecs = [
   {
-    file: `${process.cwd()}/docs/rhsm-subscriptions-api-spec.yaml`,
+    file:
+      'https://raw.githubusercontent.com/RedHatInsights/rhsm-subscriptions/master/api/rhsm-subscriptions-api-spec.yaml',
+    outputDir: `${process.cwd()}/.openapi`,
+    outputFileName: 'rhsm.yaml',
     port: 5050
   }
 ];
 const cache = {
   tryAgainCount: 0
 };
 
+/**
+ * Set display colors
+ *
+ * @param {string} str
+ * @param {string} color
+ * @returns {string}
+ */
+const setColor = (str, color = 'reset') => {
+  const colors = {
+    blue: '\x1b[34m',
+    green: '\x1b[32m',
+    red: '\x1b[31m',
+    reset: '\x1b[0m',
+    yellow: '\x1b[33m'
+  };
+
+  return `${colors[color.toLowerCase()] || colors.reset}${str}${colors.reset}`;
+};
+
+/**
+ * Express serve local files
+ *
+ * @param {array} files
+ */
 const serveDocs = (files = []) => {
   files.forEach(yamlFile => {
     if (fs.existsSync(yamlFile.file)) {
@@ -23,51 +50,63 @@ const serveDocs = (files = []) => {
 
       app.listen(yamlFile.port, () => {
         console.log(
-          `\nYou can now view API docs for ${yamlFile.file
-            .split('/')
-            .pop()} in the browser.\n  Open: http://localhost:${yamlFile.port}/docs/api\n`
+          `You can now view API docs for ${yamlFile.desc} in the browser.\n  Open: http://localhost:${yamlFile.port}/docs/api\n`
         );
       });
     } else if (cache.tryAgainCount < 10) {
       setTimeout(() => {
-        console.info(`Locating ${yamlFile.file}...`);
+        console.info(`Locating ${yamlFile.desc}...`);
         cache.tryAgainCount += 1;
         serveDocs(yamlFile.file, yamlFile.port);
       }, 1000);
     } else {
-      console.info(`${yamlFile.file} doesn't exist`);
+      console.warn(setColor(`${yamlFile.desc} doesn't exist`, 'yellow'));
     }
   });
 };
 
+/**
+ * Load remote files and cache, or just confirm a local file.
+ *
+ * @param {Array} inputPaths
+ * @returns {Array}
+ */
 const getLocalApiSpec = (inputPaths = []) => {
   const outputPaths = [];
 
   inputPaths.forEach(inputPath => {
+    let outputPath = inputPath.file;
+    const inputPathFile = inputPath.file.split('/').pop();
+
     if (/^http/i.test(inputPath.file)) {
-      const outputPath = path.join(inputPath.outputDir, inputPath.outputFileName);
-      const outputYaml = execSync(`curl ${inputPath.file}`);
+      const warning = `Unable to load ${inputPathFile} -> ${inputPath.outputFileName}, checking cache...`;
+      outputPath = path.join(inputPath.outputDir, inputPath.outputFileName);
 
-      if (!fs.existsSync(inputPath.outputDir)) {
-        fs.mkdirSync(inputPath.outputDir);
-      }
+      try {
+        const outputYaml = execSync(`curl --silent ${inputPath.file}`);
 
-      if (/openapi/i.test(outputYaml.toString())) {
-        fs.writeFileSync(outputPath, outputYaml);
-      } else {
-        console.warn(
-          `Unable to load ${inputPath.file.split('/').pop()} -> ${inputPath.outputFileName}, checking cache...`
-        );
+        if (!fs.existsSync(inputPath.outputDir)) {
+          fs.mkdirSync(inputPath.outputDir);
+        }
+
+        if (/openapi/i.test(outputYaml.toString())) {
+          fs.writeFileSync(outputPath, outputYaml);
+        } else {
+          console.warn(setColor(warning, 'yellow'));
+        }
+      } catch (e) {
+        console.warn(setColor(warning, 'yellow'));
       }
+    }
 
-      outputPaths.push({ file: outputPath, port: inputPath.port });
+    if (fs.existsSync(outputPath)) {
+      console.log(setColor(`Success -> ${inputPathFile}`, 'green'));
+      outputPaths.push({ file: outputPath, port: inputPath.port, desc: inputPathFile });
     } else {
-      outputPaths.push({ file: inputPath.file, port: inputPath.port });
+      console.warn(setColor(`Failed -> ${inputPathFile}`, 'red'));
     }
   });
 
-  console.log(outputPaths);
-
   return outputPaths;
 };