add go todo app task

examples/to-do-app/README.md

@@ -0,0 +1,15 @@
+TODO App for BaliGophers
+=============
+Sample of TODO app simple CRUD as REST API
+
+How to use:
+--------
+
+1. Run `go build`
+2. Import the postman collection and execute the endpoint. No Auth needed.
+
+TODO
+---
+
+1. How to handle `error` in cleaner way
+2. Add log

examples/to-do-app/db/connector/connector.go

@@ -0,0 +1,18 @@
+package connector
+
+import (
+	"github.com/jinzhu/gorm"
+	_ "github.com/jinzhu/gorm/dialects/mysql"
+)
+
+func Connect() (*gorm.DB, error) {
+	db, err := gorm.Open("mysql", "root@/go-todo-app?charset=utf8&parseTime=True&loc=Local")
+
+	if err != nil {
+		return nil, err
+	}
+
+	db.SingularTable(true)
+
+	return db, err
+}

examples/to-do-app/db/migration/migration.go

@@ -0,0 +1,19 @@
+package migration
+
+import (
+	"github.com/gusdecool/backpack/examples/to-do-app/db/connector"
+	"github.com/gusdecool/backpack/examples/to-do-app/db/model"
+)
+
+func Migrate() error {
+	db, err := connector.Connect()
+
+	if err != nil {
+		return err
+	}
+
+	defer db.Close()
+	db.AutoMigrate(&model.Task{})
+
+	return nil
+}

examples/to-do-app/db/model/task.go

@@ -0,0 +1,11 @@
+package model
+
+import (
+	"time"
+)
+
+type Task struct {
+	Id        int       `gorm:"AUTO_INCREMENT"`
+	Name      string    `gorm:"type:text;not null"`
+	CreatedAt time.Time `gorm:"type:timestamp;not null"`
+}

examples/to-do-app/db/repository/task/task.go

@@ -0,0 +1,86 @@
+package task
+
+import (
+	"errors"
+	"fmt"
+	"github.com/gusdecool/backpack/examples/to-do-app/db/connector"
+	"github.com/gusdecool/backpack/examples/to-do-app/db/model"
+)
+
+func FindAll() ([]model.Task, error) {
+	db, err := connector.Connect()
+	var tasks []model.Task
+
+	if err != nil {
+		return tasks, err
+	}
+
+	defer db.Close()
+	db.Find(&tasks)
+
+	return tasks, nil
+}
+
+func GetOneById(id int) (model.Task, error) {
+	db, err := connector.Connect()
+	var task model.Task
+
+	if err != nil {
+		return task, err
+	}
+
+	defer db.Close()
+
+	if db.First(&task, id).RowsAffected == 0 {
+		return task, errors.New(fmt.Sprintf("can't find task with id %d", id))
+	}
+
+	return task, nil
+}
+
+func Create(task *model.Task) (*model.Task, error) {
+	db, err := connector.Connect()
+
+	if err != nil {
+		return task, err
+	}
+
+	defer db.Close()
+
+	if db.NewRecord(task) == false {
+		return task, errors.New("primary key not blank")
+	}
+
+	db.Create(&task)
+
+	return task, nil
+}
+
+func Update(task *model.Task) (*model.Task, error) {
+	db, err := connector.Connect()
+
+	if err != nil {
+		return task, err
+	}
+
+	defer db.Close()
+	err = db.Save(task).Error
+
+	if err != nil {
+		return task, err
+	}
+
+	return task, nil
+}
+
+func Delete(task *model.Task) error {
+	db, err := connector.Connect()
+
+	if err != nil {
+		return err
+	}
+
+	defer db.Close()
+
+	return db.Delete(task).Error
+}

examples/to-do-app/go-todo-app.postman_collection.json

@@ -0,0 +1,133 @@
+{
+	"info": {
+		"_postman_id": "e9a72a8d-ec0d-4863-82e5-ce0cc571940f",
+		"name": "go-todo-app",
+		"schema": "https://schema.getpostman.com/json/collection/v2.1.0/collection.json"
+	},
+	"item": [
+		{
+			"name": "/task",
+			"request": {
+				"method": "GET",
+				"header": [],
+				"body": {
+					"mode": "raw",
+					"raw": ""
+				},
+				"url": {
+					"raw": "http://127.0.0.1:8080/task",
+					"protocol": "http",
+					"host": [
+						"127",
+						"0",
+						"0",
+						"1"
+					],
+					"port": "8080",
+					"path": [
+						"task"
+					]
+				}
+			},
+			"response": []
+		},
+		{
+			"name": "/task",
+			"request": {
+				"method": "POST",
+				"header": [
+					{
+						"key": "Content-Type",
+						"value": "application/json",
+						"type": "text"
+					}
+				],
+				"body": {
+					"mode": "raw",
+					"raw": "{\n\t\"name\": \"foo again\"\n}"
+				},
+				"url": {
+					"raw": "http://127.0.0.1:8080/task",
+					"protocol": "http",
+					"host": [
+						"127",
+						"0",
+						"0",
+						"1"
+					],
+					"port": "8080",
+					"path": [
+						"task"
+					]
+				}
+			},
+			"response": []
+		},
+		{
+			"name": "/task/{id}",
+			"request": {
+				"method": "PUT",
+				"header": [
+					{
+						"key": "Content-Type",
+						"type": "text",
+						"value": "application/json"
+					}
+				],
+				"body": {
+					"mode": "raw",
+					"raw": "{\n\t\"name\": \"foo-1\"\n}"
+				},
+				"url": {
+					"raw": "http://127.0.0.1:8080/task/2",
+					"protocol": "http",
+					"host": [
+						"127",
+						"0",
+						"0",
+						"1"
+					],
+					"port": "8080",
+					"path": [
+						"task",
+						"2"
+					]
+				}
+			},
+			"response": []
+		},
+		{
+			"name": "/task/{id}",
+			"request": {
+				"method": "DELETE",
+				"header": [
+					{
+						"key": "Content-Type",
+						"type": "text",
+						"value": "application/json"
+					}
+				],
+				"body": {
+					"mode": "raw",
+					"raw": ""
+				},
+				"url": {
+					"raw": "http://127.0.0.1:8080/task/1",
+					"protocol": "http",
+					"host": [
+						"127",
+						"0",
+						"0",
+						"1"
+					],
+					"port": "8080",
+					"path": [
+						"task",
+						"1"
+					]
+				}
+			},
+			"response": []
+		}
+	]
+}