query grade distributions working, and filtering by semesters working

src/shared/messages/CourseDataMessages.ts

@@ -1,9 +0,0 @@
-import { Course } from '../types/Course';
-
-export default interface CourseDataMessages {
-    /**
-     * Gets the distribution of grades for the given course
-     * @returns an array of the number of students in each grade range from A+ to F, with the index of the array corresponding to the grade range
-     */
-    getDistribution: (data: { course: Course }) => number[] | undefined;
-}

src/shared/messages/index.ts

@@ -3,15 +3,11 @@ import TAB_MESSAGES from './TabMessages';
 import BrowserActionMessages from './BrowserActionMessages';
 import HotReloadingMessages from './HotReloadingMessages';
 import TabManagementMessages from './TabManagementMessages';
-import CourseDataMessages from './CourseDataMessages';
 
 /**
  * This is a type with all the message definitions that can be sent TO the background script
  */
-export type BACKGROUND_MESSAGES = BrowserActionMessages &
-    TabManagementMessages &
-    HotReloadingMessages &
-    CourseDataMessages;
+export type BACKGROUND_MESSAGES = BrowserActionMessages & TabManagementMessages & HotReloadingMessages;
 
 /**
  * A utility object that can be used to send type-safe messages to the background script

src/shared/types/Course.ts

@@ -27,7 +27,7 @@ export type Semester = {
     /** The season that the semester is in (Fall, Spring, Summer) */
     season: 'Fall' | 'Spring' | 'Summer';
     /** UT's code for the semester */
-    code: string;
+    code?: string;
 };
 
 /**

src/shared/types/Distribution.ts

@@ -0,0 +1,40 @@
+/* eslint-disable max-classes-per-file */
+import { PointOptionsObject } from 'highcharts';
+import { Semester } from './Course';
+/**
+ * Each of the possible letter grades that can be given in a course
+ */
+export type LetterGrade = 'A' | 'A-' | 'B' | 'B+' | 'B-' | 'C' | 'C+' | 'C-' | 'D' | 'D+' | 'D-' | 'F';
+
+/**
+ * A distribution of grades for a course,
+ * with the keys being the letter grades and the values being the number of students that got that grade
+ */
+export type Distribution = {
+    [key in LetterGrade]: number;
+};
+
+/**
+ * This is a object-ified version of a row in the SQL table that is used to store the distribution data.
+ */
+export type CourseSQLRow = {
+    sem?: string;
+    prof?: string;
+    dept?: string;
+    course_nbr?: string;
+    course_name?: string;
+    a1?: number;
+    a2?: number;
+    a3?: number;
+    b1?: number;
+    b2?: number;
+    b3?: number;
+    c1?: number;
+    c2?: number;
+    c3?: number;
+    d1?: number;
+    d2?: number;
+    d3?: number;
+    f?: number;
+    semesters?: string;
+};