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lhmzhoulhmzhou
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Merge pull request #2 from lhmzhou/develop
set up app route with bookstore and location tabs
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‎lib/animations.dart‎

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import 'package:flutter/material.dart';
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class AnimationSwitcher extends StatelessWidget {
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const AnimationSwitcher({
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Key key,
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@required this.child1,
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@required this.child2,
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@required this.animation,
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}) : assert(child1 != null),
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assert(child2 != null),
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assert(animation != null),
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super(key: key);
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final Widget child1;
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final Widget child2;
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final Animation animation;
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@override
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Widget build(BuildContext context) {
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return AnimatedBuilder(
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animation: animation,
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builder: (BuildContext context, Widget child) => Stack(
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children: [
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IgnorePointer(
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ignoring: animation.status == AnimationStatus.forward ||
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animation.status == AnimationStatus.completed,
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child: FadeTransition(
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opacity: Tween(begin: 1.0, end: 0.0).animate(animation),
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child: child1,
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),
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),
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IgnorePointer(
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ignoring: animation.status == AnimationStatus.reverse ||
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animation.status == AnimationStatus.dismissed,
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child: FadeTransition(
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opacity: animation,
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child: child2,
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),
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),
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],
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),
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);
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}
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}
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/// a widget that shows a widget and when it changes, based on given conditions,
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/// it will perform top-to-down stack/fade animation (usually, when, e.g. new number is greater than the prev),
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/// or same down-to-bot animation
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class CountSwitcher extends StatelessWidget {
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const CountSwitcher({
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Key key,
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this.childKey,
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this.child,
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this.valueIncreased = true,
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}) : super(key: key);
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/// a key that will be applied to the child widget, can be used to lock the switch animation.
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final Key childKey;
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final Widget child;
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/// `true` will play top-to-down animation, `false` vice-versa
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final bool valueIncreased;
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@override
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Widget build(BuildContext context) {
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return ConstrainedBox(
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constraints: const BoxConstraints(minWidth: 20.0),
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child: AnimatedSwitcher(
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duration: const Duration(milliseconds: 200),
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transitionBuilder: (Widget child, Animation<double> animation) {
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final baseAnimation = CurvedAnimation(
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curve: Curves.easeOut,
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parent: animation,
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);
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final baseReversedAnimation = CurvedAnimation(
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curve: Curves.easeIn,
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parent: animation,
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);
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final inForwardAnimation = Tween<Offset>(
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begin: const Offset(0.0, -0.7),
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end: const Offset(0.0, 0.0),
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).animate(baseAnimation);
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final inBackAnimation = Tween<Offset>(
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begin: const Offset(0.0, 0.7),
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end: const Offset(0.0, 0.0),
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).animate(baseAnimation);
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final outForwardAnimation = Tween<Offset>(
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begin: const Offset(0.0, 0.7),
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end: const Offset(0.0, 0.0),
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).animate(baseReversedAnimation);
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final outBackAnimation = Tween<Offset>(
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begin: const Offset(0.0, -0.7),
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end: const Offset(0.0, 0.0),
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).animate(baseReversedAnimation);
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//* For entering widget
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if (child.key == childKey) {
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if (valueIncreased)
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return SlideTransition(
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position: inForwardAnimation,
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child: FadeTransition(
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opacity: animation,
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child: child,
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),
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);
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else
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return SlideTransition(
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position: inBackAnimation,
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child: FadeTransition(
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opacity: animation,
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child: child,
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),
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);
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}
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//* for exiting widget
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else {
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if (valueIncreased) {
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return SlideTransition(
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position: outForwardAnimation,
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child: FadeTransition(
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opacity: animation,
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child: child,
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),
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);
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} else
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return SlideTransition(
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position: outBackAnimation,
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child: FadeTransition(
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opacity: animation,
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child: child,
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),
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);
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}
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},
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child: Container(
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key: childKey,
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child: child,
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),
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),
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);
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}
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}

‎lib/content.dart‎

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import 'package:flutter/material.dart';
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class Bookstore {
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const Bookstore({
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@required this.id,
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@required this.storeName,
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@required this.location,
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@required this.webUrl,
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});
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final int id;
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final String storeName;
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final String location;
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final String webUrl;
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}
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abstract class ContentControl {
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static const List<Bookstore> Bookstores = [
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Bookstore(id: 0, storeName: "A Cultural Exchange", location: "Cleveland, Ohio", webUrl: "https://www.aculturalexchange.org"),
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Bookstore(id: 1, storeName: "Aframerican Book Store", location: "Omaha, Nebraska", webUrl: "http://aframericanbookstore.com"),
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Bookstore(id: 2, storeName: "Afriware Books, Co", location: "Maywood, Illinois", webUrl: "https://www.afriwarebooks.com"),
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Bookstore(id: 3, storeName: "Akoma Novelties & Books", location: "Evansville, Indiana", webUrl: "https://www.akomabooks.com"),
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Bookstore(id: 4, storeName: "Alkebulan Ujaama Book Store", location: "Columbus, Ohio", webUrl: ""),
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Bookstore(id: 5, storeName: "Ashay by the Bay", location: "Vallejo, California", webUrl: "https://ashaybythebay.com"),
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Bookstore(id: 6, storeName: "Best Richardson African Diaspora Literature & Culture Museum", location: "Tampa, Florida", webUrl: "https://www.bradlcmuseum.com"),
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Bookstore(id: 7, storeName: "Beyond Barcodes Bookstore", location: "Kokomo, Indiana", webUrl: ""),
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Bookstore(id: 8, storeName: "Black Dot Cultural Center", location: "Lithonia, Georgia", webUrl: "https://www.blackdotcc.com"),
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Bookstore(id: 9, storeName: "Black Pearl Books", location: "Austin, Texas", webUrl: "https://blackpearlbookstore.com"),
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Bookstore(id: 10, storeName: "Black Stone Bookstore & Cultural Center", location: "Ypsilanti, MI", webUrl: "https://www.blackstonebookstore.com"),
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Bookstore(id: 11, storeName: "Black World Books", location: "Killeen, Texas", webUrl: "https://blackworldbooks.org/"),
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Bookstore(id: 12, storeName: "Bliss Books & Wine", location: "Kansas City, Missouri", webUrl: "https://bliss-books-wine.business.site"),
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Bookstore(id: 13, storeName: "Books & Stuff", location: "Philadelphia, Pennsylvania", webUrl: "https://www.booksandstuff.info"),
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Bookstore(id: 14, storeName: "Books and Crannies", location: "Martinsville, Virginia", webUrl: "https://www.booksandcranniesva.com"),
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Bookstore(id: 15, storeName: "Brave + Kind Bookshop", location: "Decatur, Georgia", webUrl: "https://www.braveandkindbooks.com"),
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Bookstore(id: 16, storeName: "Burgundy Books", location: "Old Saybrook, Connecticut", webUrl: "https://burgundybooks.com"),
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Bookstore(id: 17, storeName: "Carol’s Books", location: "Sacramento, California", webUrl: "https://carolsbookstore.com"),
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Bookstore(id: 18, storeName: "Dare Books", location: "Longwood, Florida", webUrl: "https://darebooks.com"),
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Bookstore(id: 19, storeName: "Detroit Book City", location: "Southfield, Michigan", webUrl: "https://www.detroitbookcity.com"),
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Bookstore(id: 20, storeName: "Elizabeth’s Bookshop & Writing Centre", location: "Akron, Ohio", webUrl: ""),
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Bookstore(id: 21, storeName: "Enda’s Booktique", location: "Duncanville, Texas", webUrl: "https://endasbooktique.com"),
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Bookstore(id: 22, storeName: "Eso Won Bookstore", location: "Los Angeles, California", webUrl: "https://www.esowonbookstore.com"),
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Bookstore(id: 23, storeName: "Everyone’s Place", location: "Baltimore, Maryland", webUrl: ""),
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Bookstore(id: 24, storeName: "EyeSeeMe", location: "University City, Missouri", webUrl: "https://www.eyeseeme.com"),
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Bookstore(id: 25, storeName: "Frontline Bookstore", location: "Chicago, Illinois", webUrl: ""),
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Bookstore(id: 26, storeName: "Frugal Bookstore", location: "Boston, Massachusetts", webUrl: "https://frugalbookstore.net"),
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Bookstore(id: 27, storeName: "Harambee Books and Artworks", location: "Alexandria, Virginia", webUrl: "https://harambeebooks.org"),
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Bookstore(id: 28, storeName: "House of Consciousness", location: "Norfolk, Virginia", webUrl: "https://www.hocbookstore.com"),
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Bookstore(id: 29, storeName: "La Unique African American Books & Cultural Center", location: "Camden, NJ", webUrl: "http://www.launiquebooks.net"),
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Bookstore(id: 30, storeName: "Loyalty Bookstore", location: "Washington, D.C.", webUrl: "https://www.loyaltybookstores.com"),
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Bookstore(id: 31, storeName: "Mahogany Books", location: "West Palm Beach, Florida", webUrl: "https://www.mahoganybooks.com"),
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Bookstore(id: 32, storeName: "Marcus Books", location: "Oakland, California", webUrl: "https://tapmybio.com/marcusbook"),
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Bookstore(id: 33, storeName: "Medu Bookstore", location: "Atlanta, Georgia", webUrl: "https://www.medubookstore.com"),
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Bookstore(id: 34, storeName: "Mocha Books", location: "Tulsa, Oklahoma", webUrl: "https://www.readwithmochabooks.com"),
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Bookstore(id: 35, storeName: "Nandi’s Knowledge Cafe", location: "Highland Park, Michigan", webUrl: "http://nandisknowledgecafe.com"),
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Bookstore(id: 36, storeName: "NuBian Books", location: "Morrow, Georgia", webUrl: "https://www.houseofnubian.com"),
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Bookstore(id: 37, storeName: "Olive Tree Books N Voices", location: "Springfield, Massachusetts", webUrl: "http://olivetreebooksonline.com"),
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Bookstore(id: 38, storeName: "Positive Vibes", location: "Virginia Beach, Virginia", webUrl: "https://www.positivevibesva.com"),
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Bookstore(id: 39, storeName: "Pyramid Art Books & Custom Framing", location: "Little Rock, Arkansas", webUrl: ""),
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Bookstore(id: 40, storeName: "Semicolon Bookstore & Gallery", location: "Chicago, Illinois", webUrl: "http://www.semicolonchi.com"),
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Bookstore(id: 41, storeName: "Shades of Afrika", location: "Long Beach, California", webUrl: "https://shadesofafrika.com"),
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Bookstore(id: 42, storeName: "Source of Knowledge Book Store", location: "Newark, New Jersey", webUrl: ""),
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Bookstore(id: 43, storeName: "The Brain Lair Bookstore", location: "South Bend, Indiana", webUrl: "https://www.brainlairbooks.com"),
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Bookstore(id: 44, storeName: "The Dock Bookshop", location: "Fort Worth, Texas", webUrl: "https://www.thedockbookshop.com"),
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Bookstore(id: 45, storeName: "The Listening Tree", location: "Candler-McAfee, Georgia", webUrl: "https://listeningtreebooks.com"),
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Bookstore(id: 46, storeName: "The Lit. Bar", location: "Bronx, New York", webUrl: "http://www.thelitbar.com"),
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Bookstore(id: 48, storeName: "Cafe con Libros", location: "Brooklyn, New York", webUrl: "https://www.cafeconlibrosbk.com"),
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Bookstore(id: 49, storeName: "The Tiny Bookstore", location: "Pittsburgh, Pennsylvania", webUrl: "https://tinybookspgh.com"),
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Bookstore(id: 50, storeName: "The Underground Bookstore", location: "Chicago, Illinois", webUrl: ""),
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Bookstore(id: 51, storeName: "Turning Page Bookshop", location: "Goose Creek, South Carolina", webUrl: "https://turningpagebookshop.com"),
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Bookstore(id: 52, storeName: "Willa’s Books and Vinyl", location: "Kansas City, Missouri", webUrl: "https://www.willasbookskc.com")
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];
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}

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