WIP Branch completed: Overhaul of site logic, removed comments, repositories

controllers/blog.go

@@ -17,158 +17,47 @@ along with this program.  If not, see <https://www.gnu.org/licenses/>.Rawley Fow
 
 import (
 	"net/http"
-	"strconv"
 
 	"github.com/gin-gonic/gin"
-	"gitlab.com/rawleyifowler/site-rework/models"
-	"gitlab.com/rawleyifowler/site-rework/utils"
-	"gorm.io/driver/mysql"
-	"gorm.io/gorm"
+	"gitlab.com/rawleyifowler/site-rework/repos"
 )
 
 type CommentDto struct {
 	Url string
 }
 
-var (
-	db            *gorm.DB
-	recentPosters map[string]uint
-	captchaVals   [2]int
-)
+type BlogController struct {
+	Repository *repos.BlogRepo
+}
+
+func NewBlogController(r *repos.BlogRepo) *BlogController {
+	c := new(BlogController)
+	c.Repository = r
+	return c
+}
 
 func RegisterBlogGroup(r *gin.RouterGroup) {
-	// Initialize recent posters cache
-	recentPosters = make(map[string]uint)
-	// Load dsn and initialize database
-	dsn := utils.LoadDSN("dsn")
-	var err error
-	db, err = gorm.Open(mysql.Open(dsn), &gorm.Config{})
+	c := NewBlogController(repos.NewBlogRepo("dsn"))
+	r.GET("/", c.IndexBlogPage)
+	r.GET("/post/:url", c.IndividualBlogPage)
+}
+
+func (bc *BlogController) IndexBlogPage(c *gin.Context) {
+	posts, err := bc.Repository.GetAllBlogPosts()
 	if err != nil {
-		panic("Database connection failed...")
-	}
-	utils.PerformMigrations(db)
-	r.GET("/", RenderBlogPage)
-	r.GET("/post/:url", RenderIndividualBlogPost)
-	r.POST("/post")
-	r.POST("/post/comment", CreateComment)
-	// Clear the commenters cache every 15 minutes
-	go utils.TimedClearMap(&recentPosters, 320000*5)
-	go utils.UpdateCaptcha(&captchaVals)
-}
-
-func RenderBlogPage(c *gin.Context) {
-	posts := GetAllBlogPosts()
-	if posts == nil {
-		c.HTML(http.StatusInternalServerError, "internal_server_error.tmpl", models.Page{Title: " | 500"})
-	} else {
-		c.HTML(http.StatusOK, "blog.tmpl", struct {
-			Posts []models.BlogPost
-			Title string
-		}{Posts: *posts, Title: " | blog"})
-	}
-}
-
-func RenderIndividualBlogPost(c *gin.Context) {
-	bp := GetBlogPostById(c.Param("url"))
-	if bp == nil {
-		c.HTML(http.StatusNotFound, "not_found.tmpl", models.Page{Title: "404"})
-		return
-	} else {
-		// Blog posts handle the title themselves
-		c.HTML(http.StatusOK, "blog_post.tmpl", struct {
-			Post    *models.BlogPost
-			Captcha [2]int
-		}{Post: bp, Captcha: captchaVals})
-	}
-}
-
-func CreateComment(c *gin.Context) {
-	if c.Request.ParseForm() != nil {
-		c.AbortWithStatus(http.StatusNotAcceptable)
+		c.HTML(http.StatusInternalServerError, "internal_server_error.tmpl", &gin.H{})
 		return
 	}
-	a := []string{c.Request.Form.Get("author"),
-		c.Request.Form.Get("content"),
-		c.Request.Form.Get("url"),
-		c.Request.Form.Get("captcha")}
-	// If the length of the comment is great enough, and the comment already exists we can safely assume it is spam.
-	if len(a[1]) > 20 && len(*GetCommentsByContent(a[1], a[2])) > 0 {
-		c.HTML(http.StatusNotAcceptable, "comment_post_failed.tmpl", CommentDto{Url: a[2]})
-		return
-	}
-	i, err := strconv.ParseInt(a[3], 10, 32)
-	if err != nil || int(i) != (captchaVals[0]+captchaVals[1]) {
-		c.HTML(http.StatusNotAcceptable, "comment_post_failed.tmpl", CommentDto{Url: a[2]})
-		return
-	}
-	if GetNumberOfRecentPosts(c) >= 2 {
-		c.HTML(http.StatusNotAcceptable, "comment_post_spam.tmpl", CommentDto{Url: a[2]})
-		return
-	}
-	for _, v := range a {
-		if len(v) == 0 {
-			c.HTML(http.StatusNotAcceptable, "comment_post_failed.tmpl", CommentDto{Url: a[2]})
-			return
-		}
-	}
-	comment := models.Comment{
-		Author:         a[0],
-		Content:        a[1],
-		AssociatedPost: a[2],
-	}
-	db.Create(&comment)
-	// Something was wrong with c.ClientIP() with trusted?? Weird.
-	recentPosters[c.ClientIP()]++
-	// Pass the associated post to the template to add to the href
-	c.HTML(http.StatusOK, "comment_post.tmpl", CommentDto{Url: comment.AssociatedPost})
+	c.HTML(http.StatusOK, "blog.tmpl", *posts)
 }
 
-func GetNumberOfRecentPosts(c *gin.Context) uint {
-	return recentPosters[c.ClientIP()]
-}
-
-func AddBlogPost(bp *models.BlogPost) bool {
-	err := db.Create(bp).Error
-	return err == nil
-}
-
-func DeleteBlogPostById(id string) bool {
-	err := db.Model(&models.BlogPost{}).Delete(&models.BlogPost{Url: id}).Error
-	return err == nil
-}
-
-func GetAllBlogPosts() *[]models.BlogPost {
-	var posts []models.BlogPost
-	// Select title, date, and url fields from the blog post records an store them in posts.
-	// This is so we don't grab the entire blog post when we render them on the overview page. Saves a couple ms.
-	err := db.Model(&models.BlogPost{}).Select("title, date, url").Order("date DESC").Scan(&posts).Error
+func (bc *BlogController) IndividualBlogPage(c *gin.Context) {
+	post, err := bc.Repository.GetBlogByUrl(c.Param("url"))
 	if err != nil {
-		return nil
+		c.HTML(http.StatusNotFound, "not_found.tmpl", &gin.H{})
+		return
 	}
-	return &posts
-}
-
-func GetBlogPostById(id string) *models.BlogPost {
-	var post models.BlogPost = models.BlogPost{}
-	err := db.Model(&post).Where(&models.BlogPost{Url: id}).Find(&post).Error
-	if err != nil || post.Equals(&models.BlogPost{}) {
-		return nil
-	}
-	// TODO: Figure out gorm joins!
-	// gorm joins are not working at all, just going to do another query to make it work for now.
-	err = db.Model(&models.Comment{}).Where(&models.Comment{AssociatedPost: id}).Find(&post.Comments).Error
-	if err != nil {
-		return nil
-	}
-	return &post
-}
-
-func GetCommentsByContent(content string, url string) *[]models.Comment {
-	// This is used to make sure people don't paste the same thing over and over.
-	var comments []models.Comment
-	err := db.Model(&comments).Where("content like ? and associated_post like ?", "%"+content[1:]+"%", url).Scan(&comments).Error
-	if err != nil {
-		return &[]models.Comment{}
-	}
-	return &comments
+	// TODO: Re implement captcha here. It is already included on the blog post model, though not in the database.
+	// The idea is to generate a captcha for each post, and index them by title. The async service should then update each captcha every hour.
+	c.HTML(http.StatusOK, "blog_post.tmpl", post)
 }