Initial commit

copy-template.js

@@ -0,0 +1,75 @@
+const path = require('path')
+const { make, position, find, read, write, run } = require('promise-path')
+const fromHere = position(__dirname)
+const report = (...messages) => console.log(`[${require(fromHere('./package.json')).logName} / ${__filename.split(path.sep).pop().split('.js').shift()}]`, ...messages)
+
+async function fetchAOCDInput (currentYear, currentDay) {
+  report('Using AOCD to attempt to download your puzzle input, see: https://github.com/wimglenn/advent-of-code-data')
+  try {
+    const { stdout, stderr } = await run(`aocd ${currentDay} ${currentYear}`)
+    if (stderr) {
+      report(`AOCD ${currentYear} / ${currentDay}`, stderr)
+    }
+    if (stdout) {
+      report(`Downloaded ${stderr.bytes} bytes of data using AOCD.`)
+    }
+    return stdout
+  } catch (ex) {
+    report(`Could not fetch input for ${currentYear} / ${currentDay}`, ex)
+  }
+  return 'PASTE YOUR INPUT HERE'
+}
+
+async function copyTemplate () {
+  const newFolderName = process.argv[2]
+  const templateFolderPath = 'solutions/template'
+  const targetFolderPath = fromHere(`solutions/${newFolderName}`)
+
+  if (!newFolderName) {
+    return report(
+      'No path specified to copy to.',
+      'Please specify a folder name as an argument to this script.',
+      'e.g. node copy-template day5'
+    )
+  }
+
+  const existingFiles = await find(`${targetFolderPath}/*`)
+  if (existingFiles.length > 0) {
+    report('Existing files found:')
+    console.log(existingFiles.map(n => '  ' + n).join('\n'))
+    return report('Path', newFolderName, 'already exists, doing nothing.')
+  }
+
+  report('Creating:', `solutions/${newFolderName}`, 'from template', templateFolderPath)
+
+  const templateFiles = await find(fromHere(`${templateFolderPath}/*`))
+  await make(fromHere(`solutions/${newFolderName}`))
+  await Promise.all(templateFiles.map(async (filepath) => {
+    const contents = await read(filepath)
+    const filename = path.parse(filepath).base
+    const newFilePath = `solutions/${newFolderName}/${filename}`
+    report('Creating:', newFilePath)
+    return write(fromHere(newFilePath), contents)
+  }))
+
+  report('Attemping to download puzzle input for this date')
+
+  const currentPath = fromHere('/')
+  const currentFolder = currentPath.split('/').reverse()[1]
+  const currentYear = currentFolder.split('-').pop()
+  const currentDay = Number.parseInt(newFolderName.replace('day', ''))
+
+  report(`Based on the path, ${currentFolder} I think its: ${currentYear}, and you're trying to solve: Day ${currentDay}`)
+
+  if (currentYear > 0 && currentDay > 0) {
+    report(`Potentially valid year (${currentYear}) / day (${currentDay})`)
+    const aocInputText = await fetchAOCDInput(currentYear, currentDay)
+    await write(fromHere(`solutions/${newFolderName}/input.txt`), aocInputText, 'utf8')
+  } else {
+    report(`Invalid year (${currentYear}) / day (${currentDay})`)
+  }
+
+  report('Done.')
+}
+
+module.exports = copyTemplate()