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96 lines
2.4 KiB
Go
96 lines
2.4 KiB
Go
package entity
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import (
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"database/sql"
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"time"
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)
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// Product represents the products entity.
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// It implements the `sql.Record` and `sql.Sorted` interfaces.
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type Product struct {
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ID int64 `db:"id" json:"id"`
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CategoryID int64 `db:"category_id" json:"category_id"`
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Title string `db:"title" json:"title"`
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ImageURL string `db:"image_url" json:"image_url"`
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Price float32 `db:"price" json:"price"`
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Description string `db:"description" json:"description"`
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CreatedAt *time.Time `db:"created_at" json:"created_at"`
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UpdatedAt *time.Time `db:"updated_at" json:"updated_at"`
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}
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// TableName returns the database table name of a Product.
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func (p Product) TableName() string {
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return "products"
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}
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// PrimaryKey returns the primary key of a Product.
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func (p *Product) PrimaryKey() string {
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return "id"
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}
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// SortBy returns the column name that
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// should be used as a fallback for sorting a set of Product.
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func (p *Product) SortBy() string {
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return "updated_at"
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}
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// ValidateInsert simple check for empty fields that should be required.
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func (p *Product) ValidateInsert() bool {
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return p.CategoryID > 0 && p.Title != "" && p.ImageURL != "" && p.Price > 0 /* decimal* */ && p.Description != ""
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}
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// Scan binds mysql rows to this Product.
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func (p *Product) Scan(rows *sql.Rows) error {
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p.CreatedAt = new(time.Time)
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p.UpdatedAt = new(time.Time)
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return rows.Scan(&p.ID, &p.CategoryID, &p.Title, &p.ImageURL, &p.Price, &p.Description, &p.CreatedAt, &p.UpdatedAt)
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}
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// Products is a list of products. Implements the `Scannable` interface.
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type Products []*Product
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// Scan binds mysql rows to this Categories.
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func (ps *Products) Scan(rows *sql.Rows) (err error) {
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cp := *ps
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for rows.Next() {
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p := new(Product)
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if err = p.Scan(rows); err != nil {
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return
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}
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cp = append(cp, p)
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}
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if len(cp) == 0 {
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return sql.ErrNoRows
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}
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*ps = cp
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return rows.Err()
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}
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/*
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// The requests.
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type (
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CreateProductRequest struct { // all required.
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CategoryID int64 `json:"categoryID"`
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Title string `json:"title"`
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ImageURL string `json:"imageURL"`
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Price float32 `json:"price"`
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Description string `json:"description"`
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}
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UpdateProductRequest CreateProductRequest // at least 1 required.
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GetProductRequest struct {
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ID int64 `json:"id"` // required.
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}
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DeleteProductRequest GetProductRequest
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GetProductsRequest struct {
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// [page, offset...]
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}
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)
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*/
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