2024-01-22 21:25:34 +00:00
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package main
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import (
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2024-01-25 20:41:08 +00:00
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"errors"
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"fmt"
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"net/http"
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"strconv"
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2024-01-25 20:41:08 +00:00
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2024-01-26 06:01:12 +00:00
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"github.com/julienschmidt/httprouter"
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"snippetbox.chaosfem.tw/internal/models"
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2024-02-03 05:24:04 +00:00
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"snippetbox.chaosfem.tw/internal/validator"
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2024-01-22 21:25:34 +00:00
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)
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// home ...
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func (app *application) home(w http.ResponseWriter, r *http.Request) {
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snippets, err := app.snippets.Latest()
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if err != nil {
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app.serverError(w, r, err)
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2024-01-23 19:19:53 +00:00
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return
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}
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2024-01-25 23:43:07 +00:00
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data := app.newTemplateData(r)
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data.Snippets = snippets
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2024-01-25 22:08:58 +00:00
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2024-01-25 23:06:28 +00:00
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app.render(w, r, http.StatusOK, "home.tmpl", data)
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2024-01-22 21:25:34 +00:00
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}
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// snippetView ...
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func (app *application) snippetView(w http.ResponseWriter, r *http.Request) {
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params := httprouter.ParamsFromContext(r.Context())
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id, err := strconv.Atoi(params.ByName("id"))
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if err != nil || id < 1 {
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app.notFound(w)
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return
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}
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2024-01-25 20:41:08 +00:00
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snippet, err := app.snippets.Get(id)
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if err != nil || id < 1 {
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if errors.Is(err, models.ErrNoRecord) {
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app.notFound(w)
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} else {
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app.serverError(w, r, err)
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}
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return
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}
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2024-01-25 23:43:07 +00:00
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data := app.newTemplateData(r)
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data.Snippet = snippet
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app.render(w, r, http.StatusOK, "view.tmpl", data)
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}
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2024-01-26 06:01:12 +00:00
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// (app *application) snippetCreate ...
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func (app *application) snippetCreate(w http.ResponseWriter, r *http.Request) {
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data := app.newTemplateData(r)
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2024-01-30 23:51:20 +00:00
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data.Form = snippetCreateForm{
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Expires: 365,
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}
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2024-01-26 06:31:27 +00:00
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app.render(w, r, http.StatusOK, "create.tmpl", data)
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}
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type snippetCreateForm struct {
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Title string `form:"title"`
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Content string `form:"content"`
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Expires int `form:"expires"`
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validator.Validator `form:"-"`
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}
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2024-01-26 06:01:12 +00:00
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// snippetCreatePost ...
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func (app *application) snippetCreatePost(w http.ResponseWriter, r *http.Request) {
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var form snippetCreateForm
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err := app.decodePostForm(r, &form)
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if err != nil {
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app.clientError(w, http.StatusBadRequest)
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return
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}
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form.CheckField(validator.NotBlank(form.Title), "title", "This field cannot be blank")
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form.CheckField(validator.MaxChars(form.Title, 100), "title", "This field cannot be more than 100 characters long")
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form.CheckField(validator.NotBlank(form.Content), "content", "This field cannot be blank")
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form.CheckField(validator.PermittedValue(form.Expires, 1, 7, 365), "expires", "This field must equal 1, 7 or 365")
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2024-01-26 06:57:49 +00:00
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2024-02-03 05:24:04 +00:00
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if !form.Valid() {
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2024-01-30 23:51:20 +00:00
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data := app.newTemplateData(r)
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data.Form = form
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app.render(w, r, http.StatusUnprocessableEntity, "create.tmpl", data)
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return
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}
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2024-01-30 23:51:20 +00:00
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id, err := app.snippets.Insert(form.Title, form.Content, form.Expires)
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if err != nil {
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app.serverError(w, r, err)
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return
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}
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2024-02-07 05:37:06 +00:00
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app.sessionManager.Put(r.Context(), "flash", "Snippet successfully created!")
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2024-01-26 06:01:12 +00:00
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http.Redirect(w, r, fmt.Sprintf("/snippet/view/%d", id), http.StatusSeeOther)
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}
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type userSignupForm struct {
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Username string `form:"username"`
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Password string `form:"password"`
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validator.Validator `form:"-"`
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}
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// userSignup ...
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func (app *application) userSignup(w http.ResponseWriter, r *http.Request) {
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data := app.newTemplateData(r)
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data.Form = userSignupForm{}
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app.render(w, r, http.StatusOK, "signup.tmpl", data)
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}
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2024-02-07 19:22:47 +00:00
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// userSignupPost ...
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func (app *application) userSignupPost(w http.ResponseWriter, r *http.Request) {
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var form userSignupForm
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err := app.decodePostForm(r, &form)
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if err != nil {
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app.clientError(w, http.StatusBadRequest)
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return
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}
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form.CheckField(validator.NotBlank(form.Username), "username", "This field cannot be blank")
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form.CheckField(validator.NotBlank(form.Password), "password", "This field cannot be blank")
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if !form.Valid() {
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data := app.newTemplateData(r)
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data.Form = form
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app.render(w, r, http.StatusUnprocessableEntity, "signup.tmpl", data)
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return
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}
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id, err := app.users.Insert(form.Username, form.Password)
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if err != nil {
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app.serverError(w, r, err)
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return
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}
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app.sessionManager.Put(r.Context(), "flash", fmt.Sprintf("CREATED A USER! (%d)", id))
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http.Redirect(w, r, "/", http.StatusSeeOther)
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}
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type userLoginForm struct {
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Username string `form:"username"`
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Password string `form:"password"`
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validator.Validator `form:"-"`
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}
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// userLogin ...
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func (app *application) userLogin(w http.ResponseWriter, r *http.Request) {
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data := app.newTemplateData(r)
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data.Form = userLoginForm{}
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app.render(w, r, http.StatusOK, "login.tmpl", data)
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}
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// userLoginPost ...
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func (app *application) userLoginPost(w http.ResponseWriter, r *http.Request) {
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var form userSignupForm
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err := app.decodePostForm(r, &form)
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if err != nil {
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app.clientError(w, http.StatusBadRequest)
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return
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}
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form.CheckField(validator.NotBlank(form.Username), "username", "This field cannot be blank")
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form.CheckField(validator.NotBlank(form.Password), "password", "This field cannot be blank")
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if !form.Valid() {
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data := app.newTemplateData(r)
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data.Form = form
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app.render(w, r, http.StatusUnprocessableEntity, "login.tmpl", data)
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return
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}
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2024-02-07 20:40:54 +00:00
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app.sessionManager.Put(r.Context(), "authenticatedUserID", 1)
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2024-02-07 19:22:47 +00:00
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app.sessionManager.Put(r.Context(), "flash", fmt.Sprintf("LOGGED IN USER %s! (not really)", form.Username))
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http.Redirect(w, r, "/", http.StatusSeeOther)
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}
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2024-02-07 20:33:53 +00:00
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// userLoginPost ...
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func (app *application) userLogoutPost(w http.ResponseWriter, r *http.Request) {
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id := app.sessionManager.PopInt(r.Context(), "authenticatedUserID")
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2024-02-07 20:40:54 +00:00
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app.sessionManager.Put(r.Context(), "flash", fmt.Sprintf("LOGGED OUT USER %d! (not really)", id))
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2024-02-07 20:33:53 +00:00
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http.Redirect(w, r, "/", http.StatusSeeOther)
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}
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