Initial Project commit

.gitignore

@@ -0,0 +1 @@
+preorder

Dockerfile

@@ -0,0 +1,28 @@
+# Dockerfile for building the preorder service image
+FROM debian:latest
+
+# Update the package list and install MySQL client
+RUN apt-get update && apt-get install -y \
+    mariadb-client \
+    && rm -rf /var/lib/apt/lists/*
+
+# Copy the preorder binary from the local directory into the container
+COPY ./preorder /usr/local/bin/preorder
+
+# Set executable permissions on the binary
+RUN chmod +x /usr/local/bin/preorder
+
+
+# Copy the entrypoint script
+#COPY entrypoint.sh /usr/local/bin/entrypoint.sh
+#RUN chmod +x /usr/local/bin/entrypoint.sh
+#
+## Copy the SQL script to the container
+#COPY create_database.sql /docker-entrypoint-initdb.d/create_database.sql
+#
+## Set the entrypoint script
+#ENTRYPOINT ["/usr/local/bin/entrypoint.sh"]
+#
+# Specify the command to run when the container starts
+CMD ["/usr/local/bin/preorder"]
+

controllers/author.go

@@ -0,0 +1,77 @@
+package controllers
+
+import (
+	"net/http"
+	"preorder/models"
+
+	"github.com/gin-gonic/gin"
+)
+
+func FindAuthors(c *gin.Context) {
+	var Authors []models.Author
+	models.DB.Find(&Authors)
+
+	c.JSON(http.StatusOK, gin.H{"data": Authors})
+}
+
+func FindAuthor(c *gin.Context) {
+	var Author models.Author
+
+	if err := models.DB.Where("id = ?", c.Param("id")).First(&Author).Error; err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "Record not found!"})
+	}
+
+	c.JSON(http.StatusOK, gin.H{"data": Author})
+}
+
+func CreateAuthor(c *gin.Context) {
+	var input models.CreateAuthorInput
+	if err := c.ShouldBindJSON(&input); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+		return
+	}
+
+	Author := models.Author{
+		ID:       input.ID,
+		FullName: input.FullName,
+	}
+	models.DB.Create(&Author)
+	c.JSON(http.StatusOK, gin.H{"data": Author})
+}
+
+func UpdateAuthor(c *gin.Context) {
+	var Author models.Author
+	if err := models.DB.Where("id = ?", c.Param("id")).First(&Author).Error; err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "Record not found!"})
+	}
+
+	var input models.UpdateAuthorInput
+	if err := c.ShouldBindJSON(&input); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+		return
+	}
+
+	models.DB.Model(&Author).Updates(input)
+	c.JSON(http.StatusOK, gin.H{"data": Author})
+}
+
+func DeleteAuthor(c *gin.Context) {
+	var Author models.Author
+	if err := models.DB.Where("id = ?", c.Param("id")).First(&Author).Error; err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "Record not found!"})
+		return
+	}
+
+	models.DB.Delete(&Author)
+
+	c.JSON(http.StatusOK, gin.H{"data": true})
+}
+
+func ApplyAuthorRouter(router *gin.Engine) *gin.Engine {
+	router.GET("/authors", FindAuthors)
+	router.POST("/authors", CreateAuthor)
+	router.GET("/authors/:id", FindAuthor)
+	router.PATCH("/authors/:id", UpdateAuthor)
+	router.DELETE("/authors/:id", DeleteAuthor)
+	return router
+}

controllers/format.go

@@ -0,0 +1,77 @@
+package controllers
+
+import (
+	"net/http"
+	"preorder/models"
+
+	"github.com/gin-gonic/gin"
+)
+
+func FindFormats(c *gin.Context) {
+	var Formats []models.Format
+	models.DB.Find(&Formats)
+
+	c.JSON(http.StatusOK, gin.H{"data": Formats})
+}
+
+func FindFormat(c *gin.Context) {
+	var Format models.Format
+
+	if err := models.DB.Where("id = ?", c.Param("id")).First(&Format).Error; err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "Record not found!"})
+	}
+
+	c.JSON(http.StatusOK, gin.H{"data": Format})
+}
+
+func CreateFormat(c *gin.Context) {
+	var input models.CreateFormatInput
+	if err := c.ShouldBindJSON(&input); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+		return
+	}
+
+	Format := models.Format{
+		ID:     input.ID,
+		Format: input.Format,
+	}
+	models.DB.Create(&Format)
+	c.JSON(http.StatusOK, gin.H{"data": Format})
+}
+
+func UpdateFormat(c *gin.Context) {
+	var Format models.Format
+	if err := models.DB.Where("id = ?", c.Param("id")).First(&Format).Error; err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "Record not found!"})
+	}
+
+	var input models.UpdateFormatInput
+	if err := c.ShouldBindJSON(&input); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+		return
+	}
+
+	models.DB.Model(&Format).Updates(input)
+	c.JSON(http.StatusOK, gin.H{"data": Format})
+}
+
+func DeleteFormat(c *gin.Context) {
+	var Format models.Format
+	if err := models.DB.Where("id = ?", c.Param("id")).First(&Format).Error; err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "Record not found!"})
+		return
+	}
+
+	models.DB.Delete(&Format)
+
+	c.JSON(http.StatusOK, gin.H{"data": true})
+}
+
+func ApplyFormatRouter(router *gin.Engine) *gin.Engine {
+	router.GET("/formats", FindFormats)
+	router.POST("/formats", CreateFormat)
+	router.GET("/formats/:id", FindFormat)
+	router.PATCH("/formats/:id", UpdateFormat)
+	router.DELETE("/formats/:id", DeleteFormat)
+	return router
+}

controllers/order.go

@@ -0,0 +1,81 @@
+package controllers
+
+import (
+	"net/http"
+	"preorder/models"
+
+	"github.com/gin-gonic/gin"
+)
+
+func FindOrders(c *gin.Context) {
+	var Orders []models.Order
+	models.DB.Find(&Orders)
+
+	c.JSON(http.StatusOK, gin.H{"data": Orders})
+}
+
+func FindOrder(c *gin.Context) {
+	var Order models.Order
+
+	if err := models.DB.Where("id = ?", c.Param("id")).First(&Order).Error; err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "Record not found!"})
+	}
+
+	c.JSON(http.StatusOK, gin.H{"data": Order})
+}
+
+func CreateOrder(c *gin.Context) {
+	var input models.CreateOrderInput
+	if err := c.ShouldBindJSON(&input); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+		return
+	}
+
+	Order := models.Order{
+		ID:          input.ID,
+		Title:       input.Title,
+		AuthorID:    input.Author,
+		FormatID:    input.Format,
+		ISBN13:      input.ISBN13,
+		ReleaseDate: input.ReleaseDate,
+	}
+	models.DB.Create(&Order)
+	c.JSON(http.StatusOK, gin.H{"data": Order})
+}
+
+func UpdateOrder(c *gin.Context) {
+	var Order models.Order
+	if err := models.DB.Where("id = ?", c.Param("id")).First(&Order).Error; err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "Record not found!"})
+	}
+
+	var input models.UpdateOrderInput
+	if err := c.ShouldBindJSON(&input); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+		return
+	}
+
+	models.DB.Model(&Order).Updates(input)
+	c.JSON(http.StatusOK, gin.H{"data": Order})
+}
+
+func DeleteOrder(c *gin.Context) {
+	var Order models.Order
+	if err := models.DB.Where("id = ?", c.Param("id")).First(&Order).Error; err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "Record not found!"})
+		return
+	}
+
+	models.DB.Delete(&Order)
+
+	c.JSON(http.StatusOK, gin.H{"data": true})
+}
+
+func ApplyOrderRouter(router *gin.Engine) *gin.Engine {
+	router.GET("/orders", FindOrders)
+	router.POST("/orders", CreateOrder)
+	router.GET("/orders/:id", FindOrder)
+	router.PATCH("/orders/:id", UpdateOrder)
+	router.DELETE("/orders/:id", DeleteOrder)
+	return router
+}

create_database.sql

@@ -0,0 +1 @@
+CREATE DATABASE IF NOT EXISTS db;

docker-compose.yaml

@@ -0,0 +1,29 @@
+version: '3.8'
+
+services:
+  db:
+    image: mariadb
+    restart: always
+    environment:
+      MYSQL_ROOT_PASSWORD: password
+      MYSQL_DATABASE: db
+      MYSQL_USER: mysql
+      MYSQL_PASSWORD: password
+    ports:
+      - "3306:3306"
+    volumes:
+      - mariadb_data:/var/lib/mysql
+
+  api:
+    build:
+        context: .
+        dockerfile: Dockerfile
+    restart: always
+    ports:
+      - "8123:8123"
+    depends_on:
+      - db
+
+volumes:
+  mariadb_data:
+    driver: local

entrypoint.sh

@@ -0,0 +1,15 @@
+#!/bin/bash
+set -e
+
+# Wait for the database to be ready
+while ! mysqladmin ping -h"db" --silent; do
+    echo "Waiting for database connection..."
+    sleep 2
+done
+
+# Run the SQL script to initialize the database
+mysql -h db -uroot -p$MYSQL_ROOT_PASSWORD < /docker-entrypoint-initdb.d/create_database.sql
+
+# Execute the original command
+exec "$@"
+

go.mod

@@ -0,0 +1,33 @@
+module preorder
+
+go 1.19
+
+require (
+	github.com/gin-gonic/gin v1.8.1
+	gorm.io/driver/mysql v1.4.1
+	gorm.io/gorm v1.24.0
+)
+
+require (
+	github.com/gin-contrib/sse v0.1.0 // indirect
+	github.com/go-playground/locales v0.14.0 // indirect
+	github.com/go-playground/universal-translator v0.18.0 // indirect
+	github.com/go-playground/validator/v10 v10.10.0 // indirect
+	github.com/go-sql-driver/mysql v1.6.0 // indirect
+	github.com/goccy/go-json v0.9.7 // indirect
+	github.com/jinzhu/inflection v1.0.0 // indirect
+	github.com/jinzhu/now v1.1.5 // indirect
+	github.com/json-iterator/go v1.1.12 // indirect
+	github.com/leodido/go-urn v1.2.1 // indirect
+	github.com/mattn/go-isatty v0.0.14 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421 // indirect
+	github.com/modern-go/reflect2 v1.0.2 // indirect
+	github.com/pelletier/go-toml/v2 v2.0.1 // indirect
+	github.com/ugorji/go/codec v1.2.7 // indirect
+	golang.org/x/crypto v0.0.0-20210711020723-a769d52b0f97 // indirect
+	golang.org/x/net v0.0.0-20210226172049-e18ecbb05110 // indirect
+	golang.org/x/sys v0.0.0-20210806184541-e5e7981a1069 // indirect
+	golang.org/x/text v0.3.6 // indirect
+	google.golang.org/protobuf v1.28.0 // indirect
+	gopkg.in/yaml.v2 v2.4.0 // indirect
+)

go.sum

@@ -0,0 +1,98 @@
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+gorm.io/driver/mysql v1.4.1/go.mod h1:sSIebwZAVPiT+27jK9HIwvsqOGKx3YMPmrA3mBJR10c=
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main.go

@@ -0,0 +1,33 @@
+package main
+
+import (
+	"net/http"
+	"preorder/controllers"
+	"preorder/models"
+
+	"github.com/gin-gonic/gin"
+)
+
+func SetupRouter() *gin.Engine {
+	router := gin.Default()
+	router.GET("/ping", func(c *gin.Context) {
+		c.JSON(200, gin.H{"message": "pong"})
+	})
+	router = controllers.ApplyAuthorRouter(router)
+	router = controllers.ApplyFormatRouter(router)
+	router = controllers.ApplyOrderRouter(router)
+
+	return router
+}
+
+func main() {
+	router := SetupRouter()
+
+	models.ConnectDatabase()
+
+	s := &http.Server{
+		Addr:    ":8123",
+		Handler: router,
+	}
+	s.ListenAndServe()
+}

models/author.go

@@ -0,0 +1,15 @@
+package models
+
+type Author struct {
+	ID       uint   `json:"id" gorm:"primary_key"`
+	FullName string `json:"full_name"`
+}
+
+type CreateAuthorInput struct {
+	ID       uint   `json:"id" binding:"required"`
+	FullName string `json:"full_name" binding:"required"`
+}
+
+type UpdateAuthorInput struct {
+	FullName string `json:"full_name"`
+}

models/format.go

@@ -0,0 +1,15 @@
+package models
+
+type Format struct {
+	ID     uint   `json:"id" gorm:"primary_key"`
+	Format string `json:"format"`
+}
+
+type CreateFormatInput struct {
+	ID     uint   `json:"id" binding:"required"`
+	Format string `json:"format" binding:"required"`
+}
+
+type UpdateFormatInput struct {
+	Format string `json:"format"`
+}

models/models.go

@@ -0,0 +1,26 @@
+package models
+
+import (
+	"gorm.io/driver/mysql"
+	"gorm.io/gorm"
+)
+
+var DB *gorm.DB
+
+func ConnectDatabase() {
+	// Obviously change this to your settings and get securely.
+	//dsn := "root@unix(/var/run/mysqld/mysqld.sock)/db?charset=utf8mb4&parseTime=True&loc=Local"
+	//db, err := gorm.Open(mysql.New(mysql.Config{
+	//	DSN: dsn,
+	//}), &gorm.Config{})
+	dsn := "root:password@tcp(db:3306)/db?charset=utf8mb4&parseTime=True&loc=Local"
+	db, err := gorm.Open(mysql.Open(dsn), &gorm.Config{})
+	if err != nil {
+		panic("Failed to connect to database")
+	}
+	_ = db.AutoMigrate(&Author{})
+	_ = db.AutoMigrate(&Format{})
+	_ = db.AutoMigrate(&Order{})
+
+	DB = db
+}

models/order.go

@@ -0,0 +1,27 @@
+package models
+
+import "time"
+
+type Order struct {
+	ID          uint   `json:"id" gorm:"primary_key"`
+	Title       string `json:"title"`
+	AuthorID    uint   `json:"author"`
+	Author      Author
+	ReleaseDate time.Time `json:"release_date" gorm:"column:release_date"`
+	ISBN13      uint      `json:"isbn_13" gorm:"column:isbn_13"`
+	FormatID    uint      `json:"format"`
+	Format      Format
+}
+
+type CreateOrderInput struct {
+	ID          uint      `json:"id" binding:"required"`
+	Title       string    `json:"title" binding:"required"`
+	Author      uint      `json:"author" binding:"required"`
+	Format      uint      `json:"format" binding:"required"`
+	ReleaseDate time.Time `json:"release_date"`
+	ISBN13      uint      `json:"isbn_13" binding:"required"`
+}
+
+type UpdateOrderInput struct {
+	Title string `json:"title"`
+}

test.http

@@ -0,0 +1,3 @@
+###
+GET http://localhost:8123/orders
+Content-Type: application/json