Try to clean it up a little

src/app/api/route.ts

@@ -1,64 +1,7 @@
 import {NextRequest} from "next/server";
-import {getData, OverviewConfig} from "@/data/fetchWithSQL";
 
-export const semester1Revision: OverviewConfig = {
-    title: 'Semester 1 Revision',
-    periodKey: 'y5-s1-revision',
-    goalHours: 4,
-    subjects: [
-        {
-            projectId: 195482340,
-        },
-        {
-            title: 'Measure Theory',
-            projectId: 195519024,
-        },
-        {
-            title: 'Quantum Mechanics',
-            projectId: 195518593,
-        },
-        {
-            projectId: 195754611,
-        }
-    ],
-    timePeriod: {
-        start: "2023-12-15T00:00:00.000Z",
-        end: "2024-01-25T00:00:00.000Z"
-    }
-}
-
-export const semester2: OverviewConfig = {
-    title: 'Semester 2',
-    periodKey: 'y5-s2',
-    goalHours: 7.5,
-    subjects: [
-        {
-            projectId: 195754611,
-        },
-        {
-            projectId: 199383703,
-        },
-        {
-            projectId: 199383691,
-        },
-        {
-            projectId: 198859760,
-        },
-        {
-            projectId: 199383698,
-        },
-    ],
-    timePeriod: {
-        start: "2024-02-03T00:00:00.000Z",
-        end: "2024-05-10T00:00:00.000Z"
-    }
-}
-
-export type PeriodKey = keyof typeof periodMap;
-const periodMap = {
-    'y5-s1-revision': semester1Revision,
-    'y5-s2': semester2,
-}
+import {getData} from "@/data/fetchData";
+import {periodMap} from "@/data/periods";
 
 export async function GET(request: NextRequest): Promise<Response> {
     const period = request.nextUrl.searchParams.get('period');

src/app/sem1-revision/page.tsx

@@ -1,6 +1,5 @@
-import {semester1Revision} from "@/app/api/route";
 import OverviewPageWrapper from "@/components/PageWrapper";
 
 export default function Home() {
-    return <OverviewPageWrapper config={semester1Revision}/>
+    return <OverviewPageWrapper period={'y5-s1-revision'}/>
 }

src/app/sem2/page.tsx

@@ -1,6 +1,5 @@
-import {semester2} from "@/app/api/route";
 import OverviewPageWrapper from "@/components/PageWrapper";
 
 export default function Home() {
-    return <OverviewPageWrapper config={semester2}/>
+    return <OverviewPageWrapper period={'y5-s2'}/>
 }

src/components/OverviewPage.tsx

@@ -3,10 +3,9 @@
 import {SubjectComparisonCard} from "@/components/cards/subjectComparisonCard";
 import {CalendarOverviewCard} from "@/components/cards/calendarOverviewCard";
 import {SubjectOverviewCard} from "@/components/cards/subjectOverviewCard";
-import {PeriodKey} from "@/app/api/route";
 import useSWR from "swr";
-import {Data} from "@/data/fetchData";
-import {OverviewConfig} from "@/data/fetchWithSQL";
+import {Data, OverviewConfig} from "@/data/fetchData";
+import {PeriodKey} from "@/data/periods";
 
 function useData(periodKey: PeriodKey, initialData: Data = {
     projects: [],

src/components/PageWrapper.tsx

@@ -1,11 +1,13 @@
 "use server";
 
-import {getData, OverviewConfig} from "@/data/fetchWithSQL";
 import OverviewPage from "@/components/OverviewPage";
+import {getData} from "@/data/fetchData";
+import {PeriodKey, periodMap} from "@/data/periods";
 
-export default async function OverviewPageWrapper({config}: {
-    config: OverviewConfig
+export default async function OverviewPageWrapper({period}: {
+    period: PeriodKey
 }) {
+    const config = periodMap[period];
     const data = await getData(config);
     return <OverviewPage config={config} initialData={data}/>;
 }

src/data/fetchData.ts

@@ -1,5 +1,9 @@
 "use server";
 
+import {db} from "@/data/database";
+import * as dFns from "date-fns";
+import {PeriodKey} from "@/data/periods";
+
 export interface Data {
     projects: {
         projectId: number,
@@ -15,3 +19,61 @@ export interface Data {
         // description: string,
     }[],
 }
+
+export interface OverviewConfig {
+    title: string,
+    periodKey: PeriodKey,
+
+    subjects: {
+        title?: string,
+        projectId: number,
+    }[],
+
+    goalHours: number,
+
+    timePeriod: {
+        start: string,
+        end: string
+    },
+}
+
+export async function getData(config: OverviewConfig): Promise<Data> {
+    // If we're in build-time, we don't have access to the database
+    if (!db) {
+        return {
+            projects: [],
+            timeEntries: [],
+        }
+    }
+
+    console.log('fetching data from SQL')
+
+    let projectIds = config.subjects.map((subject) => subject.projectId.toString());
+
+    const projects = await db.selectFrom('project')
+        .select('raw_json')
+        .where('project.toggl_id', 'in', projectIds)
+        .execute();
+
+    const timeEntries = await db.selectFrom('time_entry')
+        .select(['project_id', 'raw_json'])
+        .where('project_id', 'in', projectIds)
+        .where('start', '>', dFns.parseISO(config.timePeriod.start))
+        .where('start', '<', dFns.parseISO(config.timePeriod.end))
+        .execute();
+
+    return {
+        projects: projects.map((project) => ({
+            projectId: project.raw_json.id,
+            name: project.raw_json.name,
+            color: project.raw_json.color,
+        })),
+
+        timeEntries: timeEntries.map((timeEntry) => ({
+            projectId: parseInt(timeEntry.project_id!),
+            start: timeEntry.raw_json.start,
+            end: timeEntry.raw_json.end,
+            duration: timeEntry.raw_json.seconds,
+        })),
+    }
+}

src/data/fetchWithSQL.ts

@@ -1,62 +0,0 @@
-import {Data} from "@/data/fetchData";
-import {db} from "@/data/database";
-import * as dFns from "date-fns";
-import {PeriodKey} from "@/app/api/route";
-
-export interface OverviewConfig {
-    title: string,
-    periodKey: PeriodKey,
-
-    subjects: {
-        title?: string,
-        projectId: number,
-    }[],
-
-    goalHours: number,
-
-    timePeriod: {
-        start: string,
-        end: string
-    },
-}
-
-export async function getData(config: OverviewConfig): Promise<Data> {
-    // If we're in build-time, we don't have access to the database
-    if (!db) {
-        return {
-            projects: [],
-            timeEntries: [],
-        }
-    }
-
-    console.log('fetching data from SQL')
-
-    let projectIds = config.subjects.map((subject) => subject.projectId.toString());
-
-    const projects = await db.selectFrom('project')
-        .select('raw_json')
-        .where('project.toggl_id', 'in', projectIds)
-        .execute();
-
-    const timeEntries = await db.selectFrom('time_entry')
-        .select(['project_id', 'raw_json'])
-        .where('project_id', 'in', projectIds)
-        .where('start', '>', dFns.parseISO(config.timePeriod.start))
-        .where('start', '<', dFns.parseISO(config.timePeriod.end))
-        .execute();
-
-    return {
-        projects: projects.map((project) => ({
-            projectId: project.raw_json.id,
-            name: project.raw_json.name,
-            color: project.raw_json.color,
-        })),
-
-        timeEntries: timeEntries.map((timeEntry) => ({
-            projectId: parseInt(timeEntry.project_id!),
-            start: timeEntry.raw_json.start,
-            end: timeEntry.raw_json.end,
-            duration: timeEntry.raw_json.seconds,
-        })),
-    }
-}

src/data/periods.ts

@@ -0,0 +1,60 @@
+import {OverviewConfig} from "@/data/fetchData";
+
+export const semester1Revision: OverviewConfig = {
+    title: 'Semester 1 Revision',
+    periodKey: 'y5-s1-revision',
+    goalHours: 4,
+    subjects: [
+        {
+            projectId: 195482340,
+        },
+        {
+            title: 'Measure Theory',
+            projectId: 195519024,
+        },
+        {
+            title: 'Quantum Mechanics',
+            projectId: 195518593,
+        },
+        {
+            projectId: 195754611,
+        }
+    ],
+    timePeriod: {
+        start: "2023-12-15T00:00:00.000Z",
+        end: "2024-01-25T00:00:00.000Z"
+    }
+}
+
+export const semester2: OverviewConfig = {
+    title: 'Semester 2',
+    periodKey: 'y5-s2',
+    goalHours: 7.5,
+    subjects: [
+        {
+            projectId: 195754611,
+        },
+        {
+            projectId: 199383703,
+        },
+        {
+            projectId: 199383691,
+        },
+        {
+            projectId: 198859760,
+        },
+        {
+            projectId: 199383698,
+        },
+    ],
+    timePeriod: {
+        start: "2024-02-03T00:00:00.000Z",
+        end: "2024-05-10T00:00:00.000Z"
+    }
+}
+
+export type PeriodKey = keyof typeof periodMap;
+export const periodMap = {
+    'y5-s1-revision': semester1Revision,
+    'y5-s2': semester2,
+}