Added resize lib

libs/aws.js

@@ -53,7 +53,9 @@ class Aws {
         const file = await imagemin([newFile], '/tmp', {
           plugins: [
             imageminJpegtran(),
-            imageminPngquant({ quality: '65-80' })
+            imageminPngquant({
+              quality: '65-80'
+            })
           ]
         })
 
@@ -69,10 +71,10 @@ class Aws {
   }
 
   /**
-         * Upload file on s3
-         * @param  {Object}   params   {path: String, filename: String}
-         * @param  {Function} callback
-         */
+   * Upload file on s3
+   * @param  {Object}   params   {path: String, filename: String}
+   * @param  {Function} callback
+   */
   upload (params, callback) {
     fs.readFile(params.path, (err, data) => {
       if (err) {
@@ -91,7 +93,9 @@ class Aws {
 
     files.forEach((file) => {
       if (file) {
-        items.push({ Key: file.replace(basePath, '') })
+        items.push({
+          Key: file.replace(basePath, '')
+        })
       }
     })
 
@@ -103,7 +107,10 @@ class Aws {
         }
       }, callback)
     } else {
-      callback(null, { code: 200, res: 'No file deleted' })
+      callback(null, {
+        code: 200,
+        res: 'No file deleted'
+      })
     }
   }
 }

libs/resize.js

@@ -0,0 +1,62 @@
+const fs = require('fs')
+const resizeImg = require('resize-img')
+
+class Resize {
+  constructor (width, heigth) {
+    this.size = {
+      width: 128,
+      heigth: 128
+    }
+
+    if (width && heigth) {
+      this.setSize(width, heigth)
+    }
+  }
+
+  _createOutputFilename (input) {
+    return `${input}_${this.size.width}x${this.size.heigth}`
+  }
+
+  _resize (input, output, callback) {
+    fs.readFile(input, (err, data) => {
+      if (err) {
+        callback(err, null)
+        return false
+      }
+
+      resizeImg(data, this.size).then(buf => {
+        fs.writeFile(output, buf, (err) => {
+          if (err) {
+            callback(err, null)
+            return false
+          }
+          callback(null, { input: input, output: output, size: this.size })
+        })
+      })
+    })
+  }
+
+  setSize (width, heigth) {
+    this.size = {
+      width: width,
+      heigth: heigth
+    }
+  }
+
+  createThumbnail (file, callback) {
+    this.setSize(128, 128)
+    this._resize(file, this._createOutputFilename(file), callback)
+  }
+
+  createLargeImage (file, callback) {
+    this.setSize(1600, 1200)
+    this._resize(file, this._createOutputFilename(file), callback)
+  }
+
+  resize (file, width, heigth, callback) {
+    this.setSize(width, heigth)
+    this._resize(file, this._createOutputFilename(file), callback)
+  }
+}
+
+module.exports = Resize