Implement "image upload" part of push-ghost command

functions.js

@@ -3,6 +3,7 @@ const path = require('path')
 const fs = require('fs')
 const getPost = require('mediumexporter').getPost
 const { createClient } = require('webdav')
+const readline = require('readline')
 
 /**
  * function [fetchFromMedium]
@@ -66,6 +67,80 @@ const fetchFromMedium = async (mediumUrl) => {
 */
 const pushToGhost = (postSlug) => {
   console.info('Pushing: ' + postSlug);
+
+  // Decide working path
+  postFolder = path.resolve('content/' + postSlug)
+
+  // Verify file exists
+  if (!fs.existsSync(postFolder)) {
+    console.error('Could not find post folder! Is it fetched?')
+    return false
+  }
+
+  // Decide file
+  const postContent = path.join(postFolder, 'index.md')
+  const postOutput = path.join(postFolder, 'ghost.md')
+
+  // Verify post exists
+  if (!fs.existsSync(postContent)) {
+    console.error("Could not find 'index.md' in " + postSlug + "! Is it fetched?")
+    return false
+  }
+
+  // Decide WebDAV upload path
+  current_date = new Date()
+
+  var uploadPath = path.join(
+    current_date.getUTCFullYear().toString(),
+    current_date.getUTCMonth().toString(),
+    postSlug
+  )
+
+  // Path where WebDAV files will be placed (eg. https://example.com:2078)
+  var davPath = path.join(process.env.WEBDAV_PATH_PREFIX, uploadPath)
+
+  // Public path to upload those files (eg. https://media.example.com/uploads)
+  // We'll do it directly since path.join mangles the protocol
+  var uploadedPath = process.env.WEBDAV_UPLOADED_PATH_PREFIX + '/' + uploadPath
+
+  // Process lines
+  const readInterface = readline.createInterface({
+    input: fs.createReadStream(postContent),
+    output: process.stdout,
+    terminal: false
+  })
+
+  const outStream = fs.createWriteStream(postOutput, { encoding: 'utf-8' })
+
+  readInterface.on('line', (line) => {
+    console.log('Line: ' + line + '\n')
+
+    // TODO: actually process line
+    var newLine = line
+
+    // check for images
+    const reImage = new RegExp('^!\\[(.*)\\]\\((\\S+?)\\)(.*)')
+    var m = reImage.exec(line)
+    if (m) {
+      // Get image name
+      var imageAlt = m[1]
+      var imageName = m[2].replace('*', '')
+      var imagePath = path.join(postFolder, 'images', imageName)
+
+      if (!fs.existsSync(imagePath)) {
+        console.warn('Skipping missing image: ' + imageName)
+      } else {
+        // TODO: upload pic
+        uploadDav(davPath, imagePath)
+
+        newLine = '![' + imageAlt + '](' + uploadedPath + '/' + imageName + ')'
+      }
+    }
+
+    outStream.write(newLine + '\n')
+  })
+
+  console.log('Processing over. Rest needs to be implemented :P')
 };
 
 /**