impl: listDir and getListOfFiles

1 files changed, 79 insertions, 31 deletions

diff --git a/index.js b/index.js
index 193d5bb..9ab1d36 100644
--- a/index.js
+++ b/index.js
@@ -1,3 +1,6 @@
+const fs = require('fs');
+const path = require('path');
+const pathWalker = require('walk');
 export default class RandomAvatars {
     constructor(string, hashcount = 11, ignoreext = true) {
         /**
@@ -16,41 +19,86 @@ export default class RandomAvatars {
         // 3 = BG
         this.iter = 4;
         createhashes(this, hashcount);
+        this.resourceDir = __dirname + '/';
+        // Get the list of Backgrounds and Robosets
+        this.sets = this.listDirs(resourceDir + 'sets')
+        this.bgsets = this.listDirs(resourceDir + 'backgrounds');
+        
+        // Get the colors in set 1
+        this.colors = this.listDirs(resourceDir + 'sets/set1');
         this.format = 'png';
     }
-}
 
-function removeExts(currentClass, string) {
-    /**
-     * Sets the input string to create an avatar
-     */
-
-    // If the user hasn't disabled it, we will detect image extensions, such as .png, .jpg, etc.
-    // We'll remove them from the string before hashing.
-    // This ensures that /Bear.png and /Bear.bmp will send back the same image, in different formats.
-
-    let input = (String(string)).toLowerCase();
-    if (input.endsWith('.png') || input.endsWith('.gif') || input.endsWith('.jpg') || input.endsWith('.bmp') || input.endsWith('.jpeg') || input.endsWith('.ppm') || input.endsWith('.datauri')) {
-        let format = input.substr(input.lastIndexOf('.') + 1, input.length);
-        if (format.toLowerCase() === 'jpg') format = 'jpg';
-        currentClass.format = format
-        input = input.substr(0, input.lastIndexOf('.'));
+    removeExts(string) {
+        /**
+         * Sets the input string to create an avatar
+         */
+    
+        // If the user hasn't disabled it, we will detect image extensions, such as .png, .jpg, etc.
+        // We'll remove them from the string before hashing.
+        // This ensures that /Bear.png and /Bear.bmp will send back the same image, in different formats.
+    
+        let input = (String(string)).toLowerCase();
+        if (input.endsWith('.png') || input.endsWith('.gif') || input.endsWith('.jpg') || input.endsWith('.bmp') || input.endsWith('.jpeg') || input.endsWith('.ppm') || input.endsWith('.datauri')) {
+            let format = input.substr(input.lastIndexOf('.') + 1, input.length);
+            if (format.toLowerCase() === 'jpg') format = 'jpg';
+            this.format = format;
+            input = input.substr(0, input.lastIndexOf('.'));
+        }
+        return input;
     }
-    return input;
-}
+    
+    createhashes(count) {
+        /**
+         * Breaks up our hash into slots, so we can pull them out later.
+         * Essentially, it splits our SHA/MD5/etc into X parts.
+         */
+    
+        for (const i of Array(count).keys()) {
+            // Get 1/numblocks of the hash
+            const blocksize = parseInt(this.hexdigest.length/count);
+            const currentStart = ((i + 1) * blocksize) - blocksize;
+            const currentEnd = (1 +i) * blocksize;
+            this.hasharray.push(parseInt(this.hexdigest.substr(currentStart, currentEnd), 16));
+        }
+        this.hasharray = this.hasharray + this.hasharray;
+    }
+
+    listDirs(path) {
+        return fs.readdirSync(path, {withFileTypes: true}).filter((dir) => dir.isDirectory()).map((dir) => dir.name);
+    }
+
+    getListOfFiles(path) {
+        // Go through each subdirectory of `path`, and choose one file from each to use in our hash.
+        // Continue to increase self.iter, so we use a different 'slot' of randomness each time.
+
+        const walker = pathWalker.walk(path);
+        const chosenFiles = [];
+
+        // Get a list of all subdirectories
+        const directories = [];
+        walker.on('directory', (root, fileStats, next) => {
+            if (fileStats.name.substr(0,1) !== '.') {
+                directories.push(path.join(root, fileStats.name));
+            }
+            next();
+        });
+
+        // Go through each directory in the list, and choose one file from each.
+        // Add this file to our master list of robotparts.
+
+        for (const directory of directories) {
+            const filesInDir = [];
+            for (const imagefile of this.listDirs(directory)) {
+                filesInDir.push(imagefile);
+            }
+
+            // Use some of our hash bits to choose which file
+            const elementInList = this.hasharray[this.iter] % filesInDir.length();
+            chosenFiles.push(filesInDir[elementInList]);
+            this.iter += 1;
+        }
 
-function createhashes(currentClass, count) {
-    /**
-     * Breaks up our hash into slots, so we can pull them out later.
-     * Essentially, it splits our SHA/MD5/etc into X parts.
-     */
-
-    for (const i of Array(count).keys()) {
-        // Get 1/numblocks of the hash
-        const blocksize = parseInt(currentClass.hexdigest.length/count);
-        const currentStart = ((i + 1) * blocksize) - blocksize;
-        const currentEnd = (1 +i) * blocksize;
-        currentClass.hasharray.push(parseInt(currentClass.hexdigest.substr(currentStart, currentEnd), 16));
+        return chosenFiles;
     }
-    currentClass.hasharray = currentClass.hasharray + currentClass.hasharray
 }