The Survey of [Saleor](https://getsaleor.com/)
===

## 功能面

### 有哪些功能模組？
#### 1. [Handling Money Amounts](https://docs.getsaleor.com/docs/architecture/money/)
* 預設貨幣: USD
* 系統可依使用者所在區域，顯示以當地貨幣單位所計算的商品價格
_(使用[Open Exchange Rate](https://openexchangerates.org)的API )_
* 實際購買時，以系統設定的貨幣作計算
* 更改貨幣單位時，目前只能手動調整每個商品的價格數字

#### 2. [Product Structure](https://docs.getsaleor.com/docs/architecture/products/)
* 概念：
* **product types**
定義產品擁有的特性，可看作是產品範本
* **products**
定義產品的基本資料，名稱、價格等
* **product variants**
定義產品的版本，容量、尺寸、顏色等
* 可定義數位商品
* 透過 URL Link 連結內容
* 透過存取次數、時間、Token 管控
#### 3. [Thumbnails](https://docs.getsaleor.com/docs/architecture/thumbnails/)
#### 4. [Stock Management](https://docs.getsaleor.com/docs/architecture/stock/)
* 概念：
* **quantity**
標示產品存貨總量
* **quantity allocated**
標示已分配(已售出未送達)的產品數量
* **quantity available**
標示可販售的產品數量
#### 5. [Order Management](https://docs.getsaleor.com/docs/architecture/orders/)
* 概念：
* Order
* 包含訂單狀態、訂單資訊，付費方式、送貨地址等
* Status: _DRAFT, UNFULFILLED, PARTIALLY, FULFILLED, FULFILLED, CANCELED_
* Fulfillment
* 表示商品送貨狀態
* Status: _FULFILLED_ , _CANCELED_
#### 6. [Events](https://docs.getsaleor.com/docs/architecture/events/)
#### 7. Internationalization
#### 8. Model Translations
#### 9. Search
* 預設使用 PostgreSQL，可整合 Elasticsearch
#### 10. Payments Architecture
#### 11. Shippings
#### 12. Site Settings
#### 13. Pages
#### 14. GDPR Compliance
#### 15. GraphQL API (Beta)

---

### 關於稅務
* #### 預設支援的線上服務
* [Avalara](https://www.avalara.com/us/en/index.html) [簡介](https://help.shopify.com/zh-TW/manual/taxes/tax-services)
* [Vatlayer](https://vatlayer.com/) [簡介](https://www.astralweb.com.tw/introduction-of-eu-vat-and-how-it-works-on-magento/)
* #### 如何調整
* [Taxes Guide](https://docs.getsaleor.com/docs/guides/taxes)

---

### 關於金流：
* ### 預設支援哪些金流？
* #### [Braintree](https://www.braintreepayments.com/) (supports PayPal and Credit Cards) [簡介](https://transbiz.com.tw/paypal-braintree-stripe-payment-gateways)
* #### [Stripe](https://stripe.com/) (supports Credit Cards) [簡介](https://transbiz.com.tw/paypal-braintree-stripe-payment-gateways)
* #### [Razorpay](https://razorpay.com/) (supports only the paisa currency)

* ### 如何增加金流服務
* [Payment Guide](https://docs.getsaleor.com/docs/guides/payments/)

---

### Data Schema?
* #### 78 張 Tables
* #### 264 個 Index


---

## 開發面
1. Django 可能的問題
* 使用 ORM 存取資料庫須優化
* 高流量時的 Concurrency 處理
4. #### [Salor Source Code](https://github.com/mirumee/saleor)

## Others
* ### 軟體授權
* [BSD-3-Clause](https://opensource.org/licenses/BSD-3-Clause)
1. 如以原始碼形式發佈，須包含原「BSD-3-Clause」授權內容
2. 如以 Binary 形式發佈，須包含原「BSD-3-Clause」授權內容
3. 未獲得允許前，不可使用原作者、組織或產品名稱作為推廣或行銷用途。

* ### Case Study
* [Patch](https://www.patchplants.com/gb/en/)
* [RoomLab](https://roomlab.co.uk/)
* [Pretty Green](https://www.prettygreen.com/)
* [GGlitch](https://www.gglitch.com/en/)

* ### Install Step:
1. Install Python 3 (3.6 or 3.7)
2. Install Node.js

    curl -sL https://deb.nodesource.com/setup_12.x | sudo -E bash -
    sudo apt-get install -y nodejs 

3. Install PostgreSQL (9.4 or later)

    sudo apt install postgresql

4. Install GTK+ (For PDF creation and others)

    sudo apt-get install build-essential python3-dev python3-pip python3-cffi libcairo2 libpango-1.0-0 libpangocairo-1.0-0 libgdk-pixbuf2.0-0 libffi-dev shared-mime-info

5. Install Saleor project

  git clone https://github.com/mirumee/saleor.git

6. Install python dependances

  cd saleor
  pip install -r requirements.txt

7. Set SECRET_KEY environment variable

  export SECRET_KEY='<mysecretkey>'

8. Create a PostgreSQL user and database

  createuser -P -s -e <username>
  createdb <db_name>

9. Set DATABASE_URL environment variable

  export DATABASE_URL="postgres://<username>:<passwd>@localhost:5432/<db_name>"

10. Prepare the database

  python manage.py migrate

11. Install front-end dependencies

  npm install

12. Prepare front-end assets

  npm run build-assets

13. Compile e-mails

  npm run build-emails

14. Start the development server

  python manage.py runserver

###### tags: `work`