user struct created, queries, connect create table and insert into db ops

README.md

@@ -2,6 +2,8 @@
 
 Wiki web application model built using `Go`
 
+<!-- img.shields.io -->
+
 ## Getting Started
 
 These instructions will get you a copy of the project up and running on your local machine for development and testing purposes. See deployment for notes on how to deploy the project on a live system.

data/database.go

@@ -4,24 +4,67 @@ import (
 	"database/sql"
 	"log"
 
-	_ "github.com/lib/pq"
+	_ "github.com/lib/pq" // postgresql database package
+	"github.com/rjNemo/go-wiki/model"
 	"github.com/rjNemo/go-wiki/settings"
 )
 
 // Connect read the connection parameters to establish a connection to the
 // database.
 func Connect() {
+	log.Print("Inside connect func")
 	connStr := settings.ConnStr
 	db, err := sql.Open("postgres", connStr)
+	log.Print("opened connect")
 	if err != nil {
 		log.Fatal(err)
 	}
 	defer db.Close()
 
+	log.Print("try to ping")
 	err = db.Ping()
 	if err != nil {
 		log.Fatal(err)
 	}
 
 	log.Println("Database successfully connected!")
+
+	createTable(db)
+	u := model.TestUser()
+	insertUser(db, u)
+	log.Print(u)
+}
+
+func sqlExec(db *sql.DB, s string) {
+	if _, err := db.Exec(s); err != nil {
+		log.Fatal(err)
+		return
+	}
+	log.Printf("Command successfully executed!: %s", s)
+}
+
+func createTable(db *sql.DB) {
+	sqlExec(db, QueryCreateTable)
+	log.Print("Table successfully created!")
+}
+
+func insertUser(db *sql.DB, u model.User) {
+	id := 0
+	err := db.QueryRow(QueryInsertUser, u.Age(), u.Email(), u.FirstName(), u.LastName()).Scan(&id)
+	if err != nil {
+		log.Fatal(err)
+	}
+	// u.SetID(id)
+	log.Println("New User ID is:", id)
+}
+
+func insertUsers(db *sql.DB) {
+	query := `
+	INSERT INTO users (age, email, first_name, last_name)
+	VALUES ($1, $2, $3, $4)`
+
+	_, err := db.Exec(query, 32, "ruidy.nemausat@gmail.com", "Ruidy", "Nemausat")
+	if err != nil {
+		log.Fatal(err)
+	}
 }

data/fetch.go

@@ -9,14 +9,14 @@ import (
 	"time"
 )
 
-var exJson string = "https://jsonplaceholder.typicode.com/todos/1"
+var exJSON string = "https://jsonplaceholder.typicode.com/todos/1"
 
 func FetchMain() {
-	b := FetchApi(exJson)
+	b := FetchAPI(exJSON)
 	fmt.Println(b)
 }
 
-func FetchApi(s string) Data {
+func FetchAPI(s string) Data {
 	r, err := http.NewRequest(http.MethodGet, s, nil)
 	if err != nil {
 		log.Fatal(err)
@@ -35,8 +35,8 @@ func FetchApi(s string) Data {
 }
 
 type Data struct {
-	UserId    int
-	Id        int
+	UserID    int
+	ID        int
 	Title     string
 	Completed bool
 }

data/queries.go

@@ -0,0 +1,21 @@
+package data
+
+const (
+	// QueryCreateTable is the SQL command used to create the users table if it
+	// not exists.
+	QueryCreateTable = `
+	CREATE TABLE IF NOT EXISTS users (
+	id SERIAL PRIMARY KEY,
+	age INT,
+	first_name TEXT,
+	last_name TEXT,
+	email TEXT UNIQUE NOT NULL)
+	`
+	// QueryInsertUser is the SQL command used to insert a user in the table.
+	// Returning the new ID.
+	QueryInsertUser = `
+	INSERT INTO users (age, email, first_name, last_name)
+	VALUES ($1, $2, $3, $4)
+	RETURNING id
+	`
+)

main.go

@@ -4,19 +4,19 @@ import (
 	"log"
 	"net/http"
 
-	"github.com/rjNemo/go-wiki/controller"
 	"github.com/rjNemo/go-wiki/data"
-	"github.com/rjNemo/go-wiki/settings"
 )
 
 func main() {
-	startServer(settings.Port, controller.Router)
+	data.Connect()
+	// startServer(settings.Port, controller.Router)
 }
 
 func startServer(p string, r func()) {
 	log.Printf("Start Go-wiki server on http://localhost:%s", p)
-	data.Connect()
 	port := ":" + p
 	r()
 	log.Fatal(http.ListenAndServe(port, nil))
 }
+
+// appBuilder

model/user.go

@@ -0,0 +1,63 @@
+package model
+
+// User represent a go-wiki user. It encapsulate its unique identifier, first and
+// last names, email and age
+type User struct {
+	id        int
+	firstName string
+	lastName  string
+	email     string
+	age       int
+}
+
+// TestUser constructs a sample John Doe user. For Dev and Test only
+func TestUser() User {
+	return User{
+		id:        42,
+		firstName: "John",
+		lastName:  "Doe",
+		email:     "jddd@mail.com",
+		age:       42,
+	}
+}
+
+// NewUser is a constructor
+func NewUser(id, age int, first, last, email string) User {
+	return User{
+		id:        id,
+		firstName: first,
+		lastName:  last,
+		email:     email,
+		age:       age,
+	}
+}
+
+// ID is a getter
+func (u User) ID() int {
+	return u.id
+}
+
+// // SetID is a setter
+// func (u *User) SetID(id int) {
+// 	u.id = id
+// }
+
+// FirstName is a getter
+func (u User) FirstName() string {
+	return u.firstName
+}
+
+// LastName is a getter
+func (u User) LastName() string {
+	return u.lastName
+}
+
+// Email is a getter
+func (u User) Email() string {
+	return u.email
+}
+
+// FirstName is a getter
+func (u User) Age() int {
+	return u.age
+}