[M] Move course filtering to course-utils.ts

src/pages/overall/overall.ts

@@ -2,6 +2,7 @@ import {Component, Prop, Vue} from 'vue-property-decorator';
 import GraphOverall from '@/pages/overall/graph-overall/graph-overall';
 import {Course} from '@/components/app/app';
 import {GPAUtils} from '@/utils/gpa-utils';
+import {CourseUtils} from '@/utils/course-utils';
 
 @Component({
     components: {GraphOverall}
@@ -20,7 +21,7 @@ export default class Overall extends Vue
         if (this.courses == null) return [];
 
         // Filter it
-        let courses: Course[] = this.filterCourses();
+        let courses: Course[] = CourseUtils.getGradedCourses(this.courses);
 
         // Compute the column names
         let columns = ['date'];
@@ -108,33 +109,6 @@ export default class Overall extends Vue
         }
     }
 
-    /**
-     * Return a list of courses that are graphed
-     */
-    private filterCourses(): Course[]
-    {
-        // Define result
-        let result: Course[] = [];
-
-        // Filter through courses
-        this.courses.forEach(course =>
-        {
-            // Skip future or past courses
-            if (course.status != 'active') return;
-
-            // Skip courses without levels
-            if (course.level == 'None') return;
-
-            // Skip courses without assignments
-            if (course.assignments.length == 0) return;
-
-            // Add it to the list
-            result.push(course);
-        });
-
-        return result;
-    }
-
     /**
      * This function is called to get gpa since I can't import another
      * class in the Vue file.

src/utils/course-utils.ts

@@ -0,0 +1,34 @@
+import {Course} from '@/components/app/app';
+
+export class CourseUtils
+{
+    /**
+     * Return a list of courses that are graphed
+     *
+     * @param original Original course list
+     * @return Course[] Filtered course list
+     */
+    public static getGradedCourses(original: Course[]): Course[]
+    {
+        // Define result
+        let result: Course[] = [];
+
+        // Filter through courses
+        original.forEach(course =>
+        {
+            // Skip future or past courses
+            if (course.status != 'active') return;
+
+            // Skip courses without levels
+            if (course.level == 'None') return;
+
+            // Skip courses without assignments
+            if (course.assignments.length == 0) return;
+
+            // Add it to the list
+            result.push(course);
+        });
+
+        return result;
+    }
+}