Basic download implementation

src/store/downloads/index.ts

@@ -0,0 +1,60 @@
+import { createSlice, Dictionary, EntityId } from '@reduxjs/toolkit';
+import { completeDownload, downloadAdapter, failDownload, initializeDownload, progressDownload, removeDownloadedTrack } from './actions';
+import { DownloadEntity } from './types';
+
+interface State {
+    entities: Dictionary<DownloadEntity>;
+    ids: EntityId[];
+}
+
+const initialState: State = {
+    entities: {},
+    ids: [],
+};
+
+const downloads = createSlice({
+    name: 'downloads',
+    initialState,
+    reducers: {},
+    extraReducers: builder => {
+        builder.addCase(initializeDownload, (state, action) => {
+            downloadAdapter.upsertOne(state, {
+                ...action.payload,
+                progress: 0,
+                isFailed: false,
+                isComplete: false,
+            });
+        });
+        builder.addCase(progressDownload, (state, action) => {
+            downloadAdapter.updateOne(state, {
+                id: action.payload.id,
+                changes: action.payload
+            });
+        });
+        builder.addCase(completeDownload, (state, action) => {
+            downloadAdapter.updateOne(state, {
+                id: action.payload.id,
+                changes: {
+                    ...action.payload,
+                    isFailed: false,
+                    isComplete: true,
+                }
+            });
+        });
+        builder.addCase(failDownload, (state, action) => {
+            downloadAdapter.updateOne(state, {
+                id: action.payload.id,
+                changes: {
+                    isComplete: false,
+                    isFailed: true,
+                    progress: 0,
+                }
+            });
+        });
+        builder.addCase(removeDownloadedTrack.fulfilled, (state, action) => {
+            downloadAdapter.removeOne(state, action.meta.arg);
+        });
+    },
+});
+
+export default downloads;