Rework to handle complex website (#61)

* Update dependency and set type to module
* Deploying website according to new API where deployments are managed through a  JSON index instead of multiple chains
* Print different message for file or folder deployment
* Display explorer transaction link

aeweb.js

@@ -1,21 +1,15 @@
 #!/usr/bin/env node
 
-const yargs = require('yargs')
+import yargs from 'yargs'
+import { hideBin } from 'yargs/helpers'
+import about from './commands/about.js'
+import generate_address from './commands/generate_address.js'
+import deploy from './commands/deploy.js'
 
-yargs.command(require('./commands/about'))
-    .help()
+const y = yargs(hideBin(process.argv))
 
-yargs.command((require('./commands/generate_address')))
-    .help()
+y.command(about).help()
+y.command(generate_address).help()
+y.command(deploy).help()
 
-yargs.command((require('./commands/deploy_file')))
-    .help()
-
-yargs.command((require('./commands/deploy_folder')))
-    .help()
-
-yargs.command((require('./commands/deploy_website')))
-    .help()
-
-
-yargs.parse()
+y.parse()

commands/about.js

@@ -1,15 +1,21 @@
-const chalk = require('chalk')
-const figlet = require('figlet')
+import chalk from 'chalk'
+import figlet from 'figlet'
 
-exports.command = 'about'
+const command = 'about'
 
-exports.describe = 'Welcome to AeWeb'
+const describe = 'Welcome to AeWeb'
 
-exports.handler = function () {
+const handler = function () {
   console.log(chalk.green('\n', 'Hello and Welcome to AeWeb !', '\n'))
   console.log(chalk.blue(figlet.textSync('AEWEB', {
       font: "Alligator2"
   })))
   console.log(chalk.green('\n', 'Create your Website on top of Archethic Public Blockchain'))
   console.log(chalk.green('\n'))
+}
+
+export default {
+  command,
+  describe,
+  handler
 }

commands/deploy.js

@@ -0,0 +1,147 @@
+import fs from "fs";
+import archethic from "archethic";
+import chalk from "chalk";
+import path from "path";
+import yesno from "yesno";
+import zlib from 'zlib'
+
+const command = "deploy";
+
+const describe =
+  "Deploy a single file or all file inside a folder";
+
+const builder = {
+  seed: {
+    describe:
+      "Seed is a string representing the transaction chain entropy to be able to derive and generate the keys for the transactions",
+    demandOption: true, // Required
+    type: "string",
+  },
+
+  endpoint: {
+    describe:
+      "Endpoint is the URL of a welcome node to receive the transaction",
+    demandOption: true, // Required
+    type: "string",
+  },
+
+  path: {
+    describe: "Path to the folder or the file to deploy",
+    demandOption: true, // Required
+    type: "string",
+  },
+};
+
+const handler = async function (argv) {
+  try {
+    // Derive address and get last transaction index
+    const seed = argv.seed
+    const endpoint = argv.endpoint
+    const firstAddress = archethic.deriveAddress(seed, 0)
+    const index = await archethic.getTransactionIndex(firstAddress, endpoint)
+
+    // Convert directory structure to json
+    console.log(chalk.blue('Creating file structure and compress content...'))
+
+    let json = {}
+    let argStats
+    try {
+      argStats = fs.statSync(argv.path)
+      if (argStats.isDirectory()) {
+        json = handleDirectory(argv.path)
+      } else {
+        json[path.basename(argv.path)] = handleFile(argv.path)
+      }
+
+      if (Object.keys(json).length === 0) {
+        throw { message: 'Folder ' + argv.path + ' is empty' }
+      }
+    } catch (e) {
+      throw e.message
+    }
+
+    // Create transaction
+    console.log(chalk.blue('Creating transaction, it may take a while...'))
+
+    const tx = archethic.newTransactionBuilder('hosting')
+      .setContent(JSON.stringify(json))
+      .build(seed, index)
+      .originSign(await archethic.getOriginKey(endpoint))
+
+    // Get transaction fees and ask user
+    const { fee: fees, rates: rates } = await archethic.getTransactionFee(tx, endpoint)
+
+    const ok = await yesno({
+      question: chalk.yellowBright(
+        "Total Fee Requirement would be : " +
+        fees.toFixed(2) +
+        " UCO ( $ " +
+        (rates.usd * fees).toFixed(2) +
+        " | € " +
+        (rates.eur * fees).toFixed(2) +
+        " ). Do you want to continue. (yes/no)"
+      ),
+    });
+
+    if (ok) {
+      console.log(chalk.blue('Sending transaction...'))
+
+      await archethic.waitConfirmations(
+        tx.address,
+        endpoint,
+        nbConfirmations => {
+          console.log(chalk.blue("Got " + nbConfirmations + " confirmations"))
+          console.log(
+            chalk.cyanBright(
+              "See transaction in explorer:",
+              endpoint + '/explorer/transaction/' + Buffer.from(tx.address).toString('hex')
+            )
+          )
+          console.log(
+            chalk.green(
+              (argStats.isDirectory() ? "Website": "File") + " is deployed at:",
+              endpoint + "/api/web_hosting/" + firstAddress + '/'
+            )
+          )
+        }
+      )
+
+      await archethic.sendTransaction(tx, endpoint)
+      console.log(chalk.blue('Waiting transaction validation...'))
+    } else {
+      throw "User aborted website deployment."
+    }
+  } catch (e) {
+    console.log(chalk.red(e))
+  }
+}
+
+function handleFile(file) {
+  const data = fs.readFileSync(file)
+  return {
+    encodage: 'gzip',
+    content: zlib.gzipSync(data).toString('base64url')
+  }
+}
+
+function handleDirectory(entry) {
+  const stats = fs.statSync(entry)
+  let json = {}
+
+  if (stats.isDirectory()) {
+    fs.readdirSync(entry).forEach(child => {
+      json[path.basename(child)] = handleDirectory(entry + '/' + child)
+    });
+  } else {
+    json = handleFile(entry)
+  }
+
+  return json;
+}
+
+export default {
+  command,
+  describe,
+  builder,
+  handler
+}