reporter-webapp: Generate color for each license

Signed-off-by: Thomas Steenbergen <thomas.steenbergen@here.com>
maxbrito500 · Jun 10, 2021 · 8c9e29b · 8c9e29b
1 parent 59ff6be
commit 8c9e29b
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Showing 2 changed files with 26 additions and 1 deletion.
diff --git a/reporter-web-app/src/models/WebAppLicense.js b/reporter-web-app/src/models/WebAppLicense.js
@@ -17,11 +17,15 @@
  * License-Filename: LICENSE
  */
 
+import { licenseToHslColor } from '../utils';
+
 class WebAppLicense {
     #_id;
 
     #id;
 
+    #color;
+
     constructor(obj) {
         if (obj) {
             if (Number.isInteger(obj._id)) {
@@ -31,6 +35,8 @@ class WebAppLicense {
             if (obj.id) {
                 this.#id = obj.id;
             }
+
+            this.#color = licenseToHslColor(this.#id);
         }
     }
 
@@ -41,6 +47,10 @@ class WebAppLicense {
     get id() {
         return this.#id;
     }
+
+    get color() {
+        return this.#color;
+    }
 }
 
 export default WebAppLicense;
diff --git a/reporter-web-app/src/utils/index.js b/reporter-web-app/src/utils/index.js
@@ -40,4 +40,19 @@ const randomStringGenerator = (length = (Math.floor(Math.random() * 501) + 20))
     return alpha(l, symbol(1, alpha(r, []))).join('');
 };
 
-export { randomStringGenerator };
+// Utility function to generate color for given license string 
+const licenseToHslColor = (license) => {
+    let hash = 0;
+    let random = Math.floor(Math.random() * 20 + 5);
+
+    for (let i = 0; i < license.length; i++) {
+        hash = license.charCodeAt(i) + ((hash << 5) - hash);
+        hash |= 0;
+    }
+
+    return 'hsl(' + ((Math.abs(hash) % 320) + random) + ',' +
+        (25 + 70 * Math.random()) + '%,' + 
+        (55 + 10 * Math.random()) + '%)';
+}
+
+export { randomStringGenerator, licenseToHslColor };