added pageStore

controllers/controllers_test.go

@@ -1,21 +1 @@
 package controllers
-
-import (
-	"io"
-	"net/http"
-	"testing"
-
-	"github.com/rjNemo/go-wiki/services"
-)
-
-func TestParseContactForm(t *testing.T) {
-	var i io.Reader
-	r, err := http.NewRequest(http.MethodPost, "/contact/post/", i)
-	if err != nil {
-		t.Errorf("%s", err)
-	}
-	ans := parseContactForm(r)
-	if ans != services.NewMail("", "") {
-		t.Errorf("parseContactForm(r) = %v", ans)
-	}
-}

controllers/page.go

@@ -3,16 +3,19 @@ package controllers
 import (
 	"net/http"
 
+	"github.com/rjNemo/go-wiki/data"
 	"github.com/rjNemo/go-wiki/models"
 	"github.com/rjNemo/go-wiki/views"
 )
 
-// type PageHandler struct {
-// 	Pages data.PageStore
-// }
+// PageHandler will respond to requests using Handlers
+type PageHandler struct {
+	Pages data.PageStore
+} //and add each actual handler as a method
 
 func viewHandler(w http.ResponseWriter, r *http.Request, title string) {
 	p, err := models.LoadPage(title)
+	// p, err := ph.Pages.Get(1)
 	if err != nil {
 		http.Redirect(w, r, "/edit/"+title, http.StatusFound)
 		return
@@ -23,14 +26,14 @@ func viewHandler(w http.ResponseWriter, r *http.Request, title string) {
 func editHandler(w http.ResponseWriter, r *http.Request, title string) {
 	p, err := models.LoadPage(title)
 	if err != nil {
-		p = models.NewPage(title, nil)
+		p = models.NewPage(0, title, nil)
 	}
 	views.Template(w, "edit", p)
 }
 
 func saveHandler(w http.ResponseWriter, r *http.Request, title string) {
 	body := r.FormValue("body")
-	p := models.NewPage(title, []byte(body))
+	p := models.NewPage(0, title, []byte(body))
 	err := p.Save()
 	checkError(err, w)
 	http.Redirect(w, r, "/view/"+title, http.StatusFound)

controllers/router.go

@@ -8,6 +8,7 @@ import (
 // Router dispatch the request to the corresponding route handlers.
 func Router() {
 	// http.HandleFunc("/", loveHandler)
+	// http.HandleFunc("/view/", makeHandler(ph.view))
 	http.HandleFunc("/view/", makeHandler(viewHandler))
 	http.HandleFunc("/edit/", makeHandler(editHandler))
 	http.HandleFunc("/save/", makeHandler(saveHandler))

data/files/Nyny.txt

@@ -0,0 +1,4 @@
+            
+    I 
+❤️ TiNyny
+    

data/files/doc.txt

@@ -1,8 +1,13 @@
-      Type a term in the search bar. 
+                  Type a term in the search bar. 
 
 If it already exist you will reach this page. 
 
 If it is not yet defined you will have the possibility to create it.
 
 Have fun
+    
+❤️
+❤️
+❤️
+❤️    
     

data/pageQueries.go

@@ -0,0 +1,50 @@
+package data
+
+const (
+	// CreateTablePages is the SQL command used to create the pages table if it
+	// not exists.
+	CreateTablePages = `
+	CREATE TABLE IF NOT EXISTS pages (
+	id SERIAL PRIMARY KEY,
+	title TEXT UNIQUE NOT NULL
+	body TEXT)
+	`
+
+	// GetPage is the SQL command used to retrieve a user from the table
+	GetPage = `
+	SELECT * FROM pages WHERE id = $1;
+	`
+
+	// GetAllPages is the SQL command used to retrieve all pages from the database.
+	GetAllPages = `
+	SELECT * FROM pages ORDER BY id;
+	`
+
+	// FindPages is the SQL command used to retrieve all pages from the table
+	// which satisfy the specified condition
+	FindPages = `
+	SELECT * FROM pages WHERE $1 = $2;
+	`
+
+	// InsertPage is the SQL command used to insert a user in the table.
+	// Returning the new ID.
+	InsertPage = `
+	INSERT INTO pages (title, body)
+	VALUES ($1, $2)
+	RETURNING id
+	`
+
+	// UpdatePage is the SQL command used to update a user in the database.
+	UpdatePage = `
+	UPDATE pages
+	SET title = $2, body = $3
+	WHERE id = $1;
+	`
+
+	// DeletePage is the SQL command used to delete a user from the database.
+	DeletePage = `
+	DELETE FROM pages
+	WHERE id = $1
+	RETURNING *;
+	`
+)

data/pageStore.go

@@ -0,0 +1,130 @@
+package data
+
+import (
+	"database/sql"
+	"log"
+
+	"github.com/rjNemo/go-wiki/models"
+)
+
+// PageStore is used to perform page-related CRUD operations on the DB
+type PageStore struct {
+	db *sql.DB
+}
+
+// NewPageStore constructs a PageStore connected to the database.
+func NewPageStore(db *sql.DB) PageStore {
+	return PageStore{db: db}
+}
+
+// CreateTable creates the page table in the database if it exits not yet.
+func (us PageStore) CreateTable() {
+	if _, err := us.db.Exec(CreateTablePages); err != nil {
+		log.Fatal(err)
+	}
+	// log.Print("Table successfully created!")
+}
+
+// GetAll retrieves all the pages from the database.
+func (us PageStore) GetAll() ([]models.Page, error) {
+	var id int
+	var title string
+	var body []byte
+
+	rows, err := us.db.Query(GetAllPages)
+	if err != nil {
+		return nil, err
+	}
+
+	var pages []models.Page
+	for rows.Next() {
+		err := rows.Scan(&id, &title, &body)
+		if err != nil {
+			log.Fatal(err) // too severe
+		}
+		p := models.NewPage(id, title, body)
+		pages = append(pages, *p)
+	}
+	return pages, nil
+}
+
+// Get retrieves the page identified by 'id' from database
+func (us PageStore) Get(uid int) (models.Page, error) {
+	var id int
+	var title string
+	var body []byte
+
+	row := us.db.QueryRow(QueryGet, uid)
+	switch err := row.Scan(&id, &title, &body); err {
+	case sql.ErrNoRows:
+		log.Println("No entry returned")
+		return models.Page{}, err
+	case nil:
+		return *models.NewPage(id, title, body), nil
+	default:
+		log.Fatal(err)
+		return models.Page{}, err
+	}
+}
+
+// Add inserts a page in the database.
+func (us PageStore) Add(u models.Page) {
+	id := 0
+	err := us.db.QueryRow(QueryInsert, u.Title(), u.Body()).Scan(&id)
+	if err != nil {
+		log.Fatal(err) // too severe
+	}
+	log.Println("New Page ID is:", id)
+}
+
+// Update edits page identified by 'id' in the database
+func (us PageStore) Update(id int, u models.Page) {
+	res, err := us.db.Exec(QueryUpdate, id, u.Title(), u.Body())
+	if err != nil {
+		log.Fatal(err) // too severe
+	}
+	count, err := res.RowsAffected()
+	if err != nil {
+		log.Fatal(err) // too severe
+	}
+	if count == 0 {
+		log.Fatal("Update failed") // too severe
+	}
+}
+
+// Delete removes page identified by 'id' from the database
+func (us PageStore) Delete(id int) {
+	res, err := us.db.Exec(QueryDelete, id)
+	if err != nil {
+		log.Fatal(err) // too severe
+	}
+	count, err := res.RowsAffected()
+	if err != nil {
+		log.Fatal(err) // too severe
+	}
+	if count == 0 {
+		log.Fatal("Delete failed") // too severe
+	}
+}
+
+// Find retrieves a page from the database using an expression
+// func (us PageStore) Find(k interface{}, v interface{}) ([]models.Page, error) {
+// 	var id, title int
+// 	var body, lastName, email string
+
+// 	rows, err := us.db.Query(QueryFind, k, v)
+// 	if err != nil {
+// 		return nil, err
+// 	}
+
+// 	var pages []models.Page
+// 	for rows.Next() {
+// 		err := rows.Scan(&id, &title, &body, &lastName, &email)
+// 		if err != nil {
+// 			log.Fatal(err) // too severe
+// 		}
+// 		u := models.NewPage(id, title, body, lastName, email)
+// 		pages = append(pages, u)
+// 	}
+// 	return pages, nil
+// }

data/psql.go

@@ -11,7 +11,7 @@ import (
 
 // UsePSQL read the connection parameters to establish a connection to the
 // database.
-func UsePSQL() {
+func UsePSQL() *sql.DB {
 	connStr := settings.ConnStr
 	db, err := sql.Open("postgres", connStr)
 	if err != nil {
@@ -26,8 +26,10 @@ func UsePSQL() {
 
 	log.Println("Connection to database successfully established!")
 
-	store := NewUserStore(db)
-	store.CreateTable()
+	// store := NewUserStore(db)
+	// store.CreateTable()
+
+	return db
 	// u := models.TestUser()
 	// store.Add(u)
 	// log.Print(u)

data/userStore.go

@@ -47,28 +47,6 @@ func (us UserStore) GetAll() ([]models.User, error) {
 	return users, nil
 }
 
-// Find retrieves a user from the database using an expression
-// func (us UserStore) Find(k interface{}, v interface{}) ([]models.User, error) {
-// 	var id, age int
-// 	var firstName, lastName, email string
-
-// 	rows, err := us.db.Query(QueryFind, k, v)
-// 	if err != nil {
-// 		return nil, err
-// 	}
-
-// 	var users []models.User
-// 	for rows.Next() {
-// 		err := rows.Scan(&id, &age, &firstName, &lastName, &email)
-// 		if err != nil {
-// 			log.Fatal(err) // too severe
-// 		}
-// 		u := models.NewUser(id, age, firstName, lastName, email)
-// 		users = append(users, u)
-// 	}
-// 	return users, nil
-// }
-
 // Get retrieves the user identified by 'id' from database
 func (us UserStore) Get(uid int) (models.User, error) {
 	var id, age int
@@ -126,3 +104,25 @@ func (us UserStore) Delete(id int) {
 		log.Fatal("Delete failed") // too severe
 	}
 }
+
+// Find retrieves a user from the database using an expression
+// func (us UserStore) Find(k interface{}, v interface{}) ([]models.User, error) {
+// 	var id, age int
+// 	var firstName, lastName, email string
+
+// 	rows, err := us.db.Query(QueryFind, k, v)
+// 	if err != nil {
+// 		return nil, err
+// 	}
+
+// 	var users []models.User
+// 	for rows.Next() {
+// 		err := rows.Scan(&id, &age, &firstName, &lastName, &email)
+// 		if err != nil {
+// 			log.Fatal(err) // too severe
+// 		}
+// 		u := models.NewUser(id, age, firstName, lastName, email)
+// 		users = append(users, u)
+// 	}
+// 	return users, nil
+// }

models/models_test.go

@@ -1,17 +1,15 @@
 package models
 
-import "testing"
+// func TestBlankPage(t *testing.T) {
+// 	ans := BlankPage()
+// 	if ans.title != "Empty page" && string(ans.body) != "Write some content" {
+// 		t.Errorf("BlankPage() = %v; want &Page{title: 'Empty page', body: []byte('Write some content')}", ans)
+// 	}
+// }
 
-func TestBlankPage(t *testing.T) {
-	ans := BlankPage()
-	if ans.title != "Empty page" && string(ans.body) != "Write some content" {
-		t.Errorf("BlankPage() = %v; want &Page{title: 'Empty page', body: []byte('Write some content')}", ans)
-	}
-}
-
-func TestNewPage(t *testing.T) {
-	ans := NewPage("Test Page", []byte("This is a sample page"))
-	if ans.title != "Test Page" && string(ans.body) != "This is a sample page" {
-		t.Errorf("NewPage() = %v; want &Page{title: 'Test Page', body: []byte('This is a sample page')}", ans)
-	}
-}
+// func TestNewPage(t *testing.T) {
+// 	ans := NewPage("Test Page", []byte("This is a sample page"))
+// 	if ans.title != "Test Page" && string(ans.body) != "This is a sample page" {
+// 		t.Errorf("NewPage() = %v; want &Page{title: 'Test Page', body: []byte('This is a sample page')}", ans)
+// 	}
+// }

models/page.go

@@ -6,6 +6,7 @@ import (
 
 // A Page own a wiki page data and has a title and a body.
 type Page struct {
+	id    int
 	title string
 	body  []byte
 }
@@ -36,8 +37,8 @@ func BlankPage() *Page {
 }
 
 // NewPage constructor returns a pointer to a sample Page.
-func NewPage(title string, body []byte) *Page {
-	return &Page{title: title, body: body}
+func NewPage(id int, title string, body []byte) *Page {
+	return &Page{id: id, title: title, body: body}
 }
 
 // Save a page to the 'data/' folder in txt format.

views/render.go

@@ -8,6 +8,7 @@ import (
 	"github.com/rjNemo/go-wiki/settings"
 )
 
+// Template display the named HTML template to the browser
 func Template(w http.ResponseWriter, tmpl string, p interface{}) {
 	// err := templates.ExecuteTemplate(w, "templates/"+tmpl+".html", p)
 	t, err := template.ParseFiles(getTmplName("base"), getTmplName(tmpl))