micrach/controllers/threads_controller.go
2022-04-11 11:19:19 +03:00

370 lines
10 KiB
Go

package controllers
import (
"context"
"log"
"math"
"path/filepath"
"strconv"
"strings"
"github.com/dchest/captcha"
"github.com/gofiber/fiber/v2"
"micrach/config"
"micrach/db"
"micrach/repositories"
"micrach/utils"
)
func GetThreads(c *fiber.Ctx) error {
pageString := c.Query("page", "1")
page, err := strconv.Atoi(pageString)
if err != nil {
return c.Status(fiber.StatusNotFound).Render("pages/404", nil)
}
if page <= 0 {
return c.Status(fiber.StatusNotFound).Render("pages/404", nil)
}
limit := 10
offset := limit * (page - 1)
threads, err := repositories.Posts.Get(limit, offset)
if err != nil {
log.Println("error:", err)
return c.Status(fiber.StatusInternalServerError).Render("pages/500", nil)
}
count, err := repositories.Posts.GetThreadsCount()
if err != nil {
log.Println("error:", err)
return c.Status(fiber.StatusInternalServerError).Render("pages/500", nil)
}
pagesCount := int(math.Ceil(float64(count) / 10))
if page > pagesCount && count != 0 {
return c.Status(fiber.StatusNotFound).Render("pages/404", nil)
}
captchaID := captcha.New()
htmlData := repositories.GetThreadsHtmlData{
Threads: threads,
Pagination: repositories.HtmlPaginationData{
PagesCount: pagesCount,
Page: page,
},
FormData: repositories.HtmlFormData{
CaptchaID: captchaID,
IsCaptchaActive: config.App.IsCaptchaActive,
},
}
return c.Render("pages/index", htmlData)
}
func GetThread(c *fiber.Ctx) error {
threadID, err := c.ParamsInt("threadID")
if err != nil {
return c.Status(fiber.StatusNotFound).Render("pages/404", nil)
}
thread, err := repositories.Posts.GetThreadByPostID(threadID)
if err != nil {
log.Println("error:", err)
return c.Status(fiber.StatusInternalServerError).Render("pages/500", nil)
}
if thread == nil {
return c.Status(fiber.StatusNotFound).Render("pages/404", nil)
}
firstPost := thread[0]
captchaID := captcha.New()
htmlData := repositories.GetThreadHtmlData{
Thread: thread,
FormData: repositories.HtmlFormData{
FirstPostID: firstPost.ID,
CaptchaID: captchaID,
IsCaptchaActive: config.App.IsCaptchaActive,
},
}
return c.Render("pages/thread", htmlData)
}
func CreateThread(c *fiber.Ctx) error {
form, err := c.MultipartForm()
if err != nil {
log.Println("error:", err)
return c.Status(fiber.StatusInternalServerError).Render("pages/500", nil)
}
// TODO: dat shit crashes if no fields in request
text := form.Value["text"][0]
title := form.Value["title"][0]
filesInRequest := form.File["files"]
validationErrorMessage := utils.ValidatePost(title, text, filesInRequest)
if validationErrorMessage != "" {
errorHtmlData := repositories.BadRequestHtmlData{
Message: validationErrorMessage,
}
return c.Status(fiber.StatusBadRequest).Render("pages/400", errorHtmlData)
}
if config.App.IsCaptchaActive {
captchaID := form.Value["captchaId"][0]
captchaString := form.Value["captcha"][0]
isCaptchaValid := captcha.VerifyString(captchaID, captchaString)
if !isCaptchaValid {
errorHtmlData := repositories.BadRequestHtmlData{
Message: repositories.InvalidCaptchaErrorMessage,
}
return c.Status(fiber.StatusBadRequest).Render("pages/400", errorHtmlData)
}
}
conn, err := db.Pool.Acquire(context.TODO())
if err != nil {
log.Println("error:", err)
return c.Status(fiber.StatusInternalServerError).Render("pages/500", nil)
}
defer conn.Release()
threadsCount, err := repositories.Posts.GetThreadsCount()
if err != nil {
log.Println("error:", err)
return c.Status(fiber.StatusInternalServerError).Render("pages/500", nil)
}
if threadsCount >= config.App.ThreadsMaxCount {
oldestThreadUpdatedAt, err := repositories.Posts.GetOldestThreadUpdatedAt()
if err != nil {
log.Println("error:", err)
return c.Status(fiber.StatusInternalServerError).Render("pages/500", nil)
}
err = repositories.Posts.ArchiveThreadsFrom(oldestThreadUpdatedAt)
if err != nil {
log.Println("error:", err)
return c.Status(fiber.StatusInternalServerError).Render("pages/500", nil)
}
}
tx, err := conn.Begin(context.TODO())
if err != nil {
log.Println("error:", err)
return c.Status(fiber.StatusInternalServerError).Render("pages/500", nil)
}
defer tx.Rollback(context.TODO())
post := repositories.Post{
IsParent: true,
Title: title,
Text: text,
IsSage: false,
}
threadID, err := repositories.Posts.CreateInTx(tx, post)
if err != nil {
log.Println("error:", err)
return c.Status(fiber.StatusInternalServerError).Render("pages/500", nil)
}
err = utils.CreateThreadFolder(threadID)
if err != nil {
log.Println("error:", err)
return c.Status(fiber.StatusInternalServerError).Render("pages/500", nil)
}
for _, fileInRequest := range filesInRequest {
file := repositories.File{
PostID: threadID,
Name: fileInRequest.Filename,
// image/jpeg -> jpeg
Ext: strings.Split(fileInRequest.Header["Content-Type"][0], "/")[1],
Size: int(fileInRequest.Size),
}
fileID, err := repositories.Files.CreateInTx(tx, file)
if err != nil {
log.Println("error:", err)
return c.Status(fiber.StatusInternalServerError).Render("pages/500", nil)
}
path := filepath.Join(
utils.UPLOADS_DIR_PATH,
strconv.Itoa(threadID),
"o",
strconv.Itoa(fileID)+"."+file.Ext,
)
err = c.SaveFile(fileInRequest, path)
if err != nil {
log.Println("error:", err)
return c.Status(fiber.StatusInternalServerError).Render("pages/500", nil)
}
// creating thumbnail
thumbImg, err := utils.MakeImageThumbnail(path, file.Ext, threadID, fileID)
if err != nil {
log.Println("error:", err)
return c.Status(fiber.StatusInternalServerError).Render("pages/500", nil)
}
// saving thumbnail
err = utils.SaveImageThumbnail(thumbImg, threadID, fileID, file.Ext)
if err != nil {
log.Println("error:", err)
return c.Status(fiber.StatusInternalServerError).Render("pages/500", nil)
}
}
tx.Commit(context.TODO())
path := "/" + strconv.Itoa(threadID)
return c.Redirect(path, fiber.StatusFound)
}
// Add new post in thread
func UpdateThread(c *fiber.Ctx) error {
threadID, err := c.ParamsInt("threadID")
if err != nil {
return c.Status(fiber.StatusNotFound).Render("pages/404", nil)
}
isArchived, err := repositories.Posts.GetIfThreadIsArchived(threadID)
if isArchived {
errorHtmlData := repositories.BadRequestHtmlData{
Message: repositories.ThreadIsArchivedErrorMessage,
}
return c.Status(fiber.StatusBadRequest).Render("pages/400", errorHtmlData)
}
if err != nil {
log.Println("error:", err)
return c.Status(fiber.StatusInternalServerError).Render("pages/500", nil)
}
form, err := c.MultipartForm()
if err != nil {
log.Println("error:", err)
return c.Status(fiber.StatusInternalServerError).Render("pages/500", nil)
}
// TODO: dat shit crashes if no fields in request
text := form.Value["text"][0]
filesInRequest := form.File["files"]
validationErrorMessage := utils.ValidatePost("", text, filesInRequest)
if validationErrorMessage != "" {
errorHtmlData := repositories.BadRequestHtmlData{
Message: validationErrorMessage,
}
return c.Status(fiber.StatusBadRequest).Render("pages/400", errorHtmlData)
}
if config.App.IsCaptchaActive {
captchaID := form.Value["captchaId"][0]
captchaString := form.Value["captcha"][0]
isCaptchaValid := captcha.VerifyString(captchaID, captchaString)
if !isCaptchaValid {
errorHtmlData := repositories.BadRequestHtmlData{
Message: repositories.InvalidCaptchaErrorMessage,
}
return c.Status(fiber.StatusBadRequest).Render("pages/400", errorHtmlData)
}
}
isSageField := form.Value["sage"]
var isSageString string
if len(isSageField) != 0 {
isSageString = isSageField[0]
}
isSage := isSageString == "on"
conn, err := db.Pool.Acquire(context.TODO())
if err != nil {
log.Println("error:", err)
return c.Status(fiber.StatusInternalServerError).Render("pages/500", nil)
}
defer conn.Release()
tx, err := conn.Begin(context.TODO())
if err != nil {
log.Println("error:", err)
return c.Status(fiber.StatusInternalServerError).Render("pages/500", nil)
}
defer tx.Rollback(context.TODO())
post := repositories.Post{
IsParent: false,
ParentID: &threadID,
Title: "",
Text: text,
IsSage: isSage,
}
postID, err := repositories.Posts.CreateInTx(tx, post)
if err != nil {
log.Println("error:", err)
return c.Status(fiber.StatusInternalServerError).Render("pages/500", nil)
}
postsCountInThread, err := repositories.Posts.GetThreadPostsCount(threadID)
if err != nil {
log.Println("error:", err)
return c.Status(fiber.StatusInternalServerError).Render("pages/500", nil)
}
isBumpLimit := postsCountInThread >= config.App.ThreadBumpLimit
isThreadBumped := !isBumpLimit && !isSage && !post.IsParent
if isThreadBumped {
err = repositories.Posts.BumpThreadInTx(tx, threadID)
if err != nil {
log.Println("error:", err)
return c.Status(fiber.StatusInternalServerError).Render("pages/500", nil)
}
}
for _, fileInRequest := range filesInRequest {
file := repositories.File{
PostID: postID,
Name: fileInRequest.Filename,
// image/jpeg -> jpeg
Ext: strings.Split(fileInRequest.Header["Content-Type"][0], "/")[1],
Size: int(fileInRequest.Size),
}
fileID, err := repositories.Files.CreateInTx(tx, file)
if err != nil {
log.Println("error:", err)
return c.Status(fiber.StatusInternalServerError).Render("pages/500", nil)
}
path := filepath.Join(
utils.UPLOADS_DIR_PATH,
strconv.Itoa(threadID),
"o",
strconv.Itoa(fileID)+"."+file.Ext,
)
err = c.SaveFile(fileInRequest, path)
if err != nil {
log.Println("error:", err)
return c.Status(fiber.StatusInternalServerError).Render("pages/500", nil)
}
// creating thumbnail
thumbImg, err := utils.MakeImageThumbnail(path, file.Ext, threadID, fileID)
if err != nil {
log.Println("error:", err)
return c.Status(fiber.StatusInternalServerError).Render("pages/500", nil)
}
// saving thumbnail
err = utils.SaveImageThumbnail(thumbImg, threadID, fileID, file.Ext)
if err != nil {
log.Println("error:", err)
return c.Status(fiber.StatusInternalServerError).Render("pages/500", nil)
}
}
tx.Commit(context.TODO())
path := "/" + strconv.Itoa(threadID) + "#" + strconv.Itoa(postID)
return c.Redirect(path)
}