Implement album creation on web (#365)

* Added album creation button functionality

* Added input for album title

* Added select photos button

* Added page to select assets

* Show photo selection timeline

* Implemented update album name mechanism:

* Added selection mechanism

* Added selection mechanism with existing assets in album

* Refactored and added comments

* Refactored and added comments - 2

* Refactor album app bar

* Added modal for select user

* Implemented choose users

* Added additional share user button

* Added rule to show add users button

web/src/lib/components/album-page/user-selection-modal.svelte

@@ -0,0 +1,117 @@
+<script lang="ts">
+	import { createEventDispatcher, onMount } from 'svelte';
+	import { api, UserResponseDto } from '@api';
+	import BaseModal from '../shared-components/base-modal.svelte';
+	import CircleAvatar from '../shared-components/circle-avatar.svelte';
+
+	export let sharedUsersInAlbum: Set<UserResponseDto>;
+	let users: UserResponseDto[] = [];
+	let selectedUsers: Set<UserResponseDto> = new Set();
+
+	const dispatch = createEventDispatcher();
+
+	onMount(async () => {
+		const { data } = await api.userApi.getAllUsers(false);
+
+		users = data;
+
+		// Remove the existed shared users from the album
+		sharedUsersInAlbum.forEach((sharedUser) => {
+			users = users.filter((user) => user.id !== sharedUser.id);
+		});
+	});
+
+	const selectUser = (user: UserResponseDto) => {
+		const tempSelectedUsers = new Set(selectedUsers);
+
+		if (selectedUsers.has(user)) {
+			tempSelectedUsers.delete(user);
+		} else {
+			tempSelectedUsers.add(user);
+		}
+
+		selectedUsers = tempSelectedUsers;
+	};
+
+	const deselectUser = (user: UserResponseDto) => {
+		const tempSelectedUsers = new Set(selectedUsers);
+
+		tempSelectedUsers.delete(user);
+
+		selectedUsers = tempSelectedUsers;
+	};
+</script>
+
+<BaseModal on:close={() => dispatch('close')}>
+	<svelte:fragment slot="title">
+		<span class="flex gap-2 place-items-center">
+			<img src="/immich-logo.svg" width="24" alt="Immich" />
+			<p class="font-medium text-immich-fg">Invite to album</p>
+		</span>
+	</svelte:fragment>
+
+	<div class="max-h-[400px] overflow-y-auto immich-scrollbar">
+		{#if selectedUsers.size > 0}
+			<div class="flex gap-4 py-2 px-5 overflow-x-auto place-items-center mb-2">
+				<p class="font-medium">To</p>
+
+				{#each Array.from(selectedUsers) as user}
+					<button
+						on:click={() => deselectUser(user)}
+						class="flex gap-1 place-items-center border border-gray-400 rounded-full p-1 hover:bg-gray-200 transition-colors"
+					>
+						<CircleAvatar size={28} {user} />
+						<p class="text-xs font-medium">{user.firstName} {user.lastName}</p>
+					</button>
+				{/each}
+			</div>
+		{/if}
+
+		{#if users.length > 0}
+			<p class="text-xs font-medium px-5">SUGGESTIONS</p>
+
+			<div class="my-4">
+				{#each users as user}
+					<button
+						on:click={() => selectUser(user)}
+						class="w-full flex place-items-center gap-4 py-4 px-5 hover:bg-gray-200  transition-all"
+					>
+						{#if selectedUsers.has(user)}
+							<span
+								class="bg-immich-primary text-white rounded-full w-12 h-12 border flex place-items-center place-content-center text-3xl"
+								>✓</span
+							>
+						{:else}
+							<CircleAvatar {user} />
+						{/if}
+
+						<div class="text-left">
+							<p class="text-immich-fg">
+								{user.firstName}
+								{user.lastName}
+							</p>
+							<p class="text-xs ">
+								{user.email}
+							</p>
+						</div>
+					</button>
+				{/each}
+			</div>
+		{:else}
+			<p class="text-sm px-5">
+				Looks like you have shared this album with all users or you don't have any user to share
+				with.
+			</p>
+		{/if}
+
+		{#if selectedUsers.size > 0}
+			<div class="flex place-content-end p-5 ">
+				<button
+					on:click={() => dispatch('add-user', { selectedUsers })}
+					class="text-white bg-immich-primary px-4 py-2 rounded-lg text-sm font-bold transition-colors hover:bg-immich-primary/75"
+					>Add</button
+				>
+			</div>
+		{/if}
+	</div>
+</BaseModal>