Category pages

api/categories.js

@@ -10,6 +10,12 @@ router.get('/', async (req, res) => {
   res.json(categories)
 })
 
+router.get('/by-slug/:slug', async (req, res) => {
+  const category = await db.category.findBySlug(req.params.slug)
+  
+  res.json(category)
+})
+
 const newCategoryValidators = [
   validate.validUrlSlug('urlslug'),
   validate.requiredString('name'),
@@ -35,3 +41,8 @@ router.delete('/:category_uuid/items/:item_uuid', async (req, res) => {
   const category = await db.category.removeItem(req.params.category_uuid, req.params.item_uuid);
   res.json(category)
 })
+
+router.put('/:parent_uuid/children/:child_uuid', async (req, res) => {
+  const category = await db.category.addCategory(req.params.parent_uuid, req.params.child_uuid);
+  res.json(category)
+})

components/card/card.js

@@ -10,9 +10,11 @@ export default function Card({item, numberInCart}) {
   return (
     <div className={styles.card}>
       <h3><Link href={`/store/item/${item.urlslug}`}><a>{item.name}</a></Link></h3>
+      {featuredImage && (
         <div className={styles['card-image']}>
-        {featuredImage && <img src={`/api/images/${featuredImage.uuid}/thumb`} />}
+          <img src={`/api/images/${featuredImage.uuid}/thumb`} />
         </div>
+      )}
       <div className={styles['card-text']}>{item.description}</div>
         <ul className={styles['card-details'] + (item.number_in_stock > 0 ? '' : ' ' + styles['out-of-stock'])}>
           <li className={styles['number-in-stock']}>

db/mappings/item.js

@@ -40,7 +40,19 @@ module.exports = [{
     'description',
     'urlslug'
   ],
+  associations: [
+    {name: 'parent', mapId: 'bareCategoryMap', columnPrefix: 'parent_category_'}
+  ],
   collections: [
-    {name: 'items', mapId: 'itemMap', columnPrefix: 'item_'}
+    {name: 'items', mapId: 'itemMap', columnPrefix: 'item_'},
+    {name: 'children', mapId: 'bareCategoryMap', columnPrefix: 'child_category_'}
+  ]
+},{
+  mapId: 'bareCategoryMap',
+  idProperty: 'uuid',
+  properties: [
+    'name',
+    'description',
+    'urlslug'
   ]
 }]

db/models/category.js

@@ -14,6 +14,18 @@ category.findAll = async () => {
   return joinjs.map(rows, mappings, 'categoryMap', 'category_');
 }
 
+category.findBySlug = async slug => {
+  const query = {
+    text: 'select * from sos.v_category where category_urlslug = $1',
+    values: [slug]
+  }
+
+  debug(query);
+
+  const {rows} = await pg.query(query)
+  return joinjs.map(rows, mappings, 'categoryMap', 'category_')[0];
+}
+
 category.create = async (name, urlslug, description) => {
   const query = {
     text: 'select * from sos.create_category($1::text, $2::citext, $3::text)',
@@ -60,3 +72,18 @@ category.removeItem = async (category_uuid, item_uuid) => {
   return joinjs.map(rows, mappings, 'categoryMap', 'category_')[0];
 }
 
+category.addCategory = async (parent_uuid, child_uuid) => {
+  const query = {
+    text: 'select * from sos.add_category_to_category($1, $2)',
+    values: [
+      parent_uuid,
+      child_uuid
+    ]
+  }
+
+  debug(query)
+
+  const {rows} = await pg.query(query);
+  return joinjs.map(rows, mappings, 'categoryMap', 'category_')[0];
+}
+

db/sql/2-views.sql

@@ -53,9 +53,14 @@ create or replace view sos.v_category as
     "child_category".category_uuid as child_category_uuid,
     "child_category".category_name as child_category_name,
     "child_category".category_urlslug as child_category_urlslug,
+    "parent_category".category_uuid as parent_category_uuid,
+    "parent_category".category_name as parent_category_name,
+    "parent_category".category_urlslug as parent_category_urlslug,
     v_item.*
   from sos."category"
-    left join sos."category_category" on "category".category_uuid = "category_category".category_category_parent_uuid
-    left join sos."category" "child_category" on "category_category".category_category_child_uuid = "child_category".category_uuid
+    left join sos."category_category" "child_category_link" on "category".category_uuid = "child_category_link".category_category_parent_uuid
+    left join sos."category_category" "parent_category_link" on "category".category_uuid = "parent_category_link".category_category_child_uuid
+    left join sos."category" "child_category" on "child_category_link".category_category_child_uuid = "child_category".category_uuid
+    left join sos."category" "parent_category" on "parent_category_link".category_category_parent_uuid = "parent_category".category_uuid
     left join sos."category_item" on "category".category_uuid = "category_item".category_item_category_uuid
     left join sos.v_item on "category_item".category_item_item_uuid = item_uuid;

db/sql/3-functions.sql

@@ -192,6 +192,38 @@ begin
   return query select * from sos.v_category where category_uuid = _category_uuid;
 end; $function$;
 
+create or replace function sos.add_item_to_category(_category_uuid uuid, _item_uuid uuid)
+  returns setof sos.v_category
+  language plpgsql
+as $function$
+begin
+  insert into sos."category_item" (
+    category_item_item_uuid,
+    category_item_category_uuid
+  ) values (
+    _item_uuid,
+    _category_uuid
+  );
+
+  return query select * from sos.v_category where category_uuid = _category_uuid;
+end; $function$;
+
+create or replace function sos.add_category_to_category(_parent_uuid uuid, _child_uuid uuid)
+  returns setof sos.v_category
+  language plpgsql
+as $function$
+begin
+  insert into sos."category_category" (
+    category_category_parent_uuid,
+    category_category_child_uuid
+  ) values (
+    _parent_uuid,
+    _child_uuid
+  );
+
+  return query select * from sos.v_category where category_uuid = _parent_uuid;
+end; $function$;
+
 create or replace function sos.create_cart(_session_uuid uuid)
   returns setof sos.v_cart
   language plpgsql

pages/store/cart.js

@@ -22,7 +22,6 @@ export default function Cart({cart, setCart}){
   return (
     <>
       <Head><title>Cart</title></Head>
-      <>
       <h2>Cart</h2>
 
       {
@@ -67,6 +66,5 @@ export default function Cart({cart, setCart}){
         <Button enabled={!!(cart?.items?.length)} type="submit">Proceed to Checkout</Button>
       </FormController>
     </>
-    </>
   )
 }

pages/store/category/[slug].js

@@ -0,0 +1,52 @@
+import React, {useState} from 'react'
+import Head from 'next/head'
+import Link from 'next/link'
+
+import Card from '~/components/card'
+import styles from './style.module.css'
+
+Category.getInitialProps = async function({ctx: {axios, query: {slug}}}){
+  console.log(slug)
+  const {data: category} = await axios.get(`/api/categories/by-slug/${slug}`)
+
+  console.log(category)
+
+  if(!category) {
+    const err = new Error("Not found")
+    err.status = 404
+    throw err;
+  }
+
+  return {category}
+}
+
+export default function Category({category: {items, children, parent, ...category}}){
+  return (
+    <>
+      <Head><title>{category.name}</title></Head>
+      <h2>{category.name}</h2>
+      <div className={styles.pageContainer}>
+        {parent && (
+          <Link href={`/store/category/${parent.urlslug}`}><a className={styles.parentLink}>&lt; Back to {parent.name}</a></Link>
+        )}
+        <p className={styles.description}>{category.description}</p>
+        {children.length > 0 && <div className={styles.childCategories}>
+          {children.map(childCategory => (
+            <>
+              <Link href={`/store/category/${childCategory.urlslug}`}><a>{childCategory.name}</a></Link>
+            </>
+          ))}
+        </div>}
+        <div className={styles.items}>
+          {items.length > 0 ? (
+            <div className="cardContainer">
+              {items.map(item=>
+                <Card item={item}/>
+              )}
+            </div>
+          ) : <p>No items found</p> }
+        </div>
+      </div>
+    </>
+  )
+}

pages/store/category/style.module.css

@@ -0,0 +1,36 @@
+.pageContainer {
+  max-width: 800px;
+  margin: 0 auto;
+  width: calc(100% - 100px);
+  position: relative;
+}
+
+.parentLink {
+  position: absolute;
+  top: -65px;
+  color: rgb(121, 10, 141);
+}
+
+.description {
+  text-align: center;
+  margin-top: -20px;
+}
+
+.childCategories {
+  width: 100%;
+  display: flex;
+  flex-direction: row;
+  justify-content: center;
+  flex-wrap: wrap;
+}
+
+.childCategories > a {
+  display: inline-block;
+  border: solid 1px rgb(248, 48, 255);
+  background: rgba(248, 48, 255, 0.4);
+  padding: 4px 10px;
+  border-radius: 15px;
+  text-decoration: none;
+  color: black;
+  margin: 10px 20px;
+}

pages/store/item/[slug].js

@@ -4,7 +4,7 @@ import Router from 'next/router'
 import {FormController, NumInput, Button} from '~/components/form'
 import isNum from 'validator/lib/isNumeric'
 
-import styles from './slug.module.css'
+import styles from './style.module.css'
 
 Item.getInitialProps = async function({ctx: {axios, query: {slug}}}){
   const {data: item} = await axios.get(`/api/items/by-slug/${slug}`)