chore(examples): add common bucket file seeds

Author: lykmapipo

examples/app.js

@@ -1,3 +1,5 @@
+'use strict';
+
 /* dependencies */
 const _ = require('lodash');
 const { connect } = require('@lykmapipo/mongoose-common');
@@ -17,7 +19,7 @@ connect(error => {
     response.json(info);
   });
 
-  // mount router
+  // mount file router
   mount(fileRouter);
 
   // fire the app
@@ -33,4 +35,5 @@ connect(error => {
       console.log(`visit http://0.0.0.0:${env.PORT}/${apiVersion}/${path}`);
     });
   });
+  
 });

examples/seed.js

@@ -0,0 +1,79 @@
+'use strict';
+
+/* dependencies */
+const { createReadStream } = require('fs');
+const { parallel } = require('async');
+const { getType: mimeTypeOf } = require('mime');
+const { connect } = require('@lykmapipo/mongoose-common');
+const { createModels } = require(`${__dirname}/..`);
+
+const readStreamFor = filename => {
+  return createReadStream(`${__dirname}/../test/fixtures/${filename}`);
+};
+
+// ensure connections
+connect(error => {
+  // re-throw if error
+  if (error) {
+    throw error;
+  }
+
+  // models
+  const { File, Image, Audio, Video, Document } = createModels();
+
+  // prepare generic file seed
+  const seedFile = next => {
+    const filename = 'file.txt';
+    const contentType = mimeTypeOf('.txt');
+    const options = { filename, contentType };
+    const readStream = readStreamFor(filename);
+    File.write(options, readStream, error => next(error));
+  }
+
+  // prepare image file seed
+  const seedImage = next => {
+    const filename = 'image.png';
+    const contentType = mimeTypeOf('.png');
+    const options = { filename, contentType };
+    const readStream = readStreamFor(filename);
+    Image.write(options, readStream, error => next(error));
+  }
+
+  // prepare audio file seed
+  const seedAudio = next => {
+    const filename = 'audio.mp3';
+    const contentType = mimeTypeOf('.mp3');
+    const options = { filename, contentType };
+    const readStream = readStreamFor(filename);
+    Audio.write(options, readStream, error => next(error));
+  }
+
+  // prepare video file seed
+  const seedVideo = next => {
+    const filename = 'video.mp4';
+    const contentType = mimeTypeOf('.mp4');
+    const options = { filename, contentType };
+    const readStream = readStreamFor(filename);
+    Video.write(options, readStream, error => next(error));
+  }
+
+  // prepare document file seed
+  const seedDocument = next => {
+    const filename = 'document.doc';
+    const contentType = mimeTypeOf('.doc');
+    const options = { filename, contentType };
+    const readStream = readStreamFor(filename);
+    Document.write(options, readStream, error => next(error));
+  }
+
+  // do seeding
+  const seeds = [seedFile, seedImage, seedAudio, seedVideo];
+  parallel(seeds, error => {
+    // re-throw if error
+    if (error) {
+      throw error;
+    }
+    process.exit(0);
+  });
+
+});