From 284ba38cff0050f42de5d4661b03b859272af3f6 Mon Sep 17 00:00:00 2001
From: David Ludwig <davidludwigii@gmail.com>
Date: Wed, 16 Jun 2021 10:29:06 -0500
Subject: [PATCH] Add movies to store to provide global realtime updates in the
 future

---
 .../mixins/MovieListComponentMixin.ts         | 31 ++++++++++++++
 services/webui/src/app/store/getters.ts       | 12 +++++-
 services/webui/src/app/store/mutations.ts     | 41 ++++++++++++++++++-
 services/webui/src/app/store/state.ts         |  8 ++++
 4 files changed, 90 insertions(+), 2 deletions(-)
 create mode 100644 services/webui/src/app/components/mixins/MovieListComponentMixin.ts

diff --git a/services/webui/src/app/components/mixins/MovieListComponentMixin.ts b/services/webui/src/app/components/mixins/MovieListComponentMixin.ts
new file mode 100644
index 0000000..2bbf761
--- /dev/null
+++ b/services/webui/src/app/components/mixins/MovieListComponentMixin.ts
@@ -0,0 +1,31 @@
+import { IMovie } from "@autoplex-api/request";
+import { Mutation } from "../../store";
+import { defineComponent } from "vue";
+
+export default defineComponent({
+	computed: {
+		storedMovies(): IMovie[] {
+			return this.$store.getters.movies(this.movies);
+		}
+	},
+	unmounted() {
+		if (this.movies.length > 0) {
+			this.$store.commit(Mutation.FreeMovies, this.movies);
+		}
+	},
+	props: {
+		movies: {
+			default: <IMovie[]>[]
+		}
+	},
+	watch: {
+		movies(newValue, oldValue) {
+			if (newValue.length > 0) {
+				this.$store.commit(Mutation.StoreMovies, newValue);
+			}
+			if (oldValue.length > 0) {
+				this.$store.commit(Mutation.FreeMovies, oldValue);
+			}
+		}
+	}
+})
diff --git a/services/webui/src/app/store/getters.ts b/services/webui/src/app/store/getters.ts
index c3f96c5..274fc8a 100644
--- a/services/webui/src/app/store/getters.ts
+++ b/services/webui/src/app/store/getters.ts
@@ -1,3 +1,4 @@
+import { IMovie } from "@autoplex-api/request";
 import { GetterTree } from "vuex";
 import { IState } from "./state";
 
@@ -6,7 +7,10 @@ export type GettersTypes = {
 	isAuthenticated(state: IState): boolean,
 	storedToken    ()             : string | null,
 	token          (state: IState): string | null,
-	userName       (state: IState): string | null
+	userName       (state: IState): string | null,
+
+	// Movie Store
+	movies(state: IState): (movies: IMovie[]) => IMovie[]
 }
 
 export const getters: GettersTypes & GetterTree<IState, IState> = {
@@ -50,5 +54,11 @@ export const getters: GettersTypes & GetterTree<IState, IState> = {
 	 */
 	userName(state: IState) {
 		return state.user?.name.split(" ")[0] ?? null;
+	},
+
+	// Movie Store ---------------------------------------------------------------------------------
+
+	movies: (state: IState) => (movies: IMovie[]) => {
+		return movies.map(movie => state.movies[movie.tmdbId].movie);
 	}
 };
diff --git a/services/webui/src/app/store/mutations.ts b/services/webui/src/app/store/mutations.ts
index ed4a5cc..fc05df0 100644
--- a/services/webui/src/app/store/mutations.ts
+++ b/services/webui/src/app/store/mutations.ts
@@ -1,4 +1,4 @@
-import Modal from "@app/components/modals";
+import { IMovie } from "@autoplex-api/request/dist/typings";
 import jwtDecode from "jwt-decode";
 import { MutationTree } from "vuex";
 import { IState } from "./state";
@@ -14,6 +14,8 @@ export enum Mutation {
 	UserLoad   = "USER_LOAD",
 	UserStore  = "USER_STORE",
 
+	FreeMovies = "FREE_MOVIES",
+	StoreMovies = "STORE_MOVIES",
 }
 
 /**
@@ -24,6 +26,10 @@ export type MutationsTypes<S = IState> = {
 	[Mutation.UserLoad]  : (state: S, token: string) => boolean,
 	[Mutation.UserStore] : (state: S, remember: boolean) => void,
 	[Mutation.LockScroll]: (state: S, lock: boolean) => void,
+
+	// Movie Store
+	[Mutation.FreeMovies]: (state: S, movies: IMovie[]) => void,
+	[Mutation.StoreMovies]: (state: S, movies: IMovie[]) => void
 }
 
 /**
@@ -88,5 +94,38 @@ export const mutations: MutationsTypes & MutationTree<IState> = {
 		} else {
 			sessionStorage.setItem("jwt", state.user.token);
 		}
+	},
+
+	// Movie Store ---------------------------------------------------------------------------------
+
+	/**
+	 * Free the cached movies from the store
+	 */
+	 [Mutation.FreeMovies](state, movies: IMovie[]) {
+		for (let movie of movies) {
+			if (!(movie.tmdbId in state.movies)) {
+				console.warn("Attempted to free a movie not stored in the state!");
+				continue;
+			}
+			state.movies[movie.tmdbId].refCount--;
+			if (state.movies[movie.tmdbId].refCount <= 0) {
+				delete state.movies[movie.tmdbId];
+			}
+		}
+	},
+
+	/**
+	 * Insert movie references in the store for updates
+	 */
+	[Mutation.StoreMovies](state, movies: IMovie[]) {
+		for (let movie of movies) {
+			if (!(movie.tmdbId in state.movies)) {
+				state.movies[movie.tmdbId] = {
+					refCount: 0,
+					movie
+				};
+			}
+			state.movies[movie.tmdbId].refCount++;
+		}
 	}
 }
diff --git a/services/webui/src/app/store/state.ts b/services/webui/src/app/store/state.ts
index 4a45d4c..11ea111 100644
--- a/services/webui/src/app/store/state.ts
+++ b/services/webui/src/app/store/state.ts
@@ -1,3 +1,4 @@
+import { IMovie } from "@autoplex-api/request";
 import { IUser } from "./schema";
 import type Modals from "../components/modals";
 import Modal from "../components/modals";
@@ -6,6 +7,12 @@ import Modal from "../components/modals";
  * The state definition
  */
 export interface IState {
+	movies    : {
+		[tmdbId: string]: {
+			refCount: number,
+			movie: IMovie
+		}
+	},
 	user        : IUser | null,
 	modalName   : Modal | null,
 	modalVisible: boolean
@@ -15,6 +22,7 @@ export interface IState {
  * The state implementation
  */
 export const state: IState = {
+	movies: {},
 	user: null,
 	modalName: null,
 	modalVisible: false,