[init][s]: implemented interactive mode and refactored init module according to changes in Init module in datahub-client - refs #336 and #335

Author: anuveyatsu

bin/data-init.js

@@ -4,16 +4,18 @@
 const fs = require('fs')
 const path = require('path')
 const minimist = require('minimist')
-const {init} = require('datahub-client').init
+const {Init} = require('datahub-client')
 
 // Ours
 const {customMarked} = require('../lib/utils/tools.js')
+const info = require('../lib/utils/output/info.js')
 
 const argv = minimist(process.argv.slice(2), {
   string: ['init'],
-  boolean: ['help'],
+  boolean: ['help', 'interactive'],
   alias: {
-    help: 'h'
+    help: 'h',
+    interactive: 'i'
   }
 })
 
@@ -27,4 +29,40 @@ if (argv.help) {
   process.exit(0)
 }
 
-init()
+
+const checkDpIsThere = (path_ = process.cwd()) => {
+  const files = fs.readdirSync(path_)
+  return files.indexOf('datapackage.json') > -1
+}
+
+
+(async() => {
+
+  const initializer = new Init({interactive: argv.interactive})
+  // Listen for events:
+  initializer.on('message', (message) => {
+    if (message.constructor.name === 'String') {
+      info(message)
+    } else {
+      info(message.name + ': ' + message.status)
+    }
+  })
+
+  // Get a descriptor generated:
+  let descriptor = {}
+  if (checkDpIsThere()) {
+    descriptor = await initializer.updateDataset()
+  } else {
+    descriptor = await initializer.createDataset()
+  }
+  // Now save the generated descriptor:
+  const content = JSON.stringify(descriptor, null, 2)
+  fs.writeFile('./datapackage.json', content, 'utf8', err => {
+    if (err) {
+      throw new Error(err)
+    }
+    const cwd = path.join(process.cwd(), 'datapackage.json')
+    info(`datapackage.json file is saved in ${cwd}`)
+  })
+
+})()

docs/init.md

@@ -1,16 +1,15 @@
-
-# Initialize Data Package
-
-## Usage:
-
 ```
 ■ data init
 ```
 
+Initialize a Data Package in the current working directory.
+It will scan the current working directory and nested directories for the files and generate a `datapackage.json`.
+
 ## Options:
 
 ```
 -h, --help               Output usage information
+-i, --interactive        Run init in interactive mode
 ```
 
 ## Example: