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This commit is contained in:
Beyhan Oğur
274
database/models/blog.go
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274
database/models/blog.go
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@@ -0,0 +1,274 @@
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package models
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import (
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"errors"
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"fmt"
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"path/filepath"
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"strings"
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"time"
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"gorm.io/gorm"
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)
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// Note: This file maps Django models to GORM models for MySQL.
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// Image fields are stored as file path strings. Thumbnail generation and image processing
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// should be handled elsewhere (e.g., during upload) — TODO: integrate with image processing service.
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// Category represents post categories.
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type Category struct {
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ID uint64 `gorm:"type:bigint unsigned;autoIncrement;primaryKey" json:"id"`
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Title string `gorm:"size:254;not null" json:"title"`
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Keywords string `gorm:"size:254" json:"keywords"`
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Desc string `gorm:"size:254" json:"description"`
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CreatedAt time.Time `gorm:"autoCreateTime" json:"created_at"`
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UpdatedAt time.Time `gorm:"autoUpdateTime" json:"updated_at"`
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IsActive bool `gorm:"default:true;index" json:"is_active"`
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Order int `gorm:"default:1;index" json:"order"`
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Slug string `gorm:"size:250;not null;index" json:"slug"`
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ParentID *uint64 `gorm:"type:bigint unsigned;index" json:"parent_id"`
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Parent *Category `gorm:"foreignKey:ParentID" json:"parent,omitempty"`
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Children []*Category `gorm:"foreignKey:ParentID" json:"children,omitempty"`
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Image string `gorm:"size:1024" json:"image"`
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}
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func (Category) TableName() string {
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return "categories"
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}
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// BeforeCreate hook to set slug
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func (c *Category) BeforeCreate(tx *gorm.DB) (err error) {
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if c.Slug == "" {
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c.Slug, err = generateUniqueSlugForCategory(tx, c.Title)
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return err
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}
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return nil
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}
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// BeforeUpdate hook ensures slug exists
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func (c *Category) BeforeUpdate(tx *gorm.DB) (err error) {
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if c.Slug == "" {
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c.Slug, err = generateUniqueSlugForCategory(tx, c.Title)
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return err
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}
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return nil
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}
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func generateUniqueSlugForCategory(db *gorm.DB, title string) (string, error) {
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slug := normalizeSlug(title)
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base := slug
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var count int64
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try := 1
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for {
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db.Model(&Category{}).Where("slug = ?", slug).Count(&count)
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if count == 0 {
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return slug, nil
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}
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slug = fmt.Sprintf("%s-%d", base, try)
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try++
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if try > 1000 {
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return "", errors.New("unable to generate unique slug")
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}
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}
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}
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// Tags model
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type Tag struct {
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ID uint64 `gorm:"type:bigint unsigned;autoIncrement;primaryKey" json:"id"`
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Tag string `gorm:"size:254;not null" json:"tag"`
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Slug string `gorm:"size:250;not null;index" json:"slug"`
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CreatedAt time.Time `gorm:"autoCreateTime" json:"created_at"`
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UpdatedAt time.Time `gorm:"autoUpdateTime" json:"updated_at"`
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IsActive bool `gorm:"default:true;index" json:"is_active"`
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}
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func (Tag) TableName() string { return "tags" }
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func (t *Tag) BeforeCreate(tx *gorm.DB) (err error) {
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if t.Slug == "" {
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t.Slug, err = generateUniqueSlugForTag(tx, t.Tag)
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return err
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}
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return nil
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}
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func (t *Tag) BeforeUpdate(tx *gorm.DB) (err error) {
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if t.Slug == "" {
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t.Slug, err = generateUniqueSlugForTag(tx, t.Tag)
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return err
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}
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return nil
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}
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func generateUniqueSlugForTag(db *gorm.DB, tag string) (string, error) {
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slug := normalizeSlug(tag)
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base := slug
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var count int64
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try := 1
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for {
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db.Model(&Tag{}).Where("slug = ?", slug).Count(&count)
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if count == 0 {
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return slug, nil
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}
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slug = fmt.Sprintf("%s-%d", base, try)
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try++
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if try > 1000 {
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return "", errors.New("unable to generate unique slug")
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}
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}
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}
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// Post model
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type Post struct {
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ID uint64 `gorm:"type:bigint unsigned;autoIncrement;primaryKey" json:"id"`
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Title string `gorm:"size:254;not null" json:"title"`
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UserID *uint64 `gorm:"type:bigint unsigned;index" json:"user_id"`
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User *User `gorm:"foreignKey:UserID" json:"user,omitempty"`
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Content string `gorm:"type:text" json:"content"`
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Categories []*Category `gorm:"many2many:post_categories;" json:"categories"`
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Keywords string `gorm:"size:254" json:"keywords"`
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Tags []*Tag `gorm:"many2many:post_tags;" json:"tags"`
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Image string `gorm:"size:1024" json:"image"`
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Thumb string `gorm:"size:1024" json:"thumb"`
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Video string `gorm:"size:254;default:'none'" json:"video"`
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Slug string `gorm:"size:250;not null;index" json:"slug"`
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CreatedAt time.Time `gorm:"autoCreateTime" json:"created_at"`
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UpdatedAt time.Time `gorm:"autoUpdateTime" json:"updated_at"`
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IsActive bool `gorm:"default:true;index" json:"is_active"`
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IsFront bool `gorm:"default:true;index" json:"is_front"`
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ParentID *uint64 `gorm:"type:bigint unsigned;index" json:"parent_id"`
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Parent *Post `gorm:"foreignKey:ParentID" json:"parent,omitempty"`
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Children []*Post `gorm:"foreignKey:ParentID" json:"children,omitempty"`
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}
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func (Post) TableName() string { return "posts" }
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func (p *Post) BeforeCreate(tx *gorm.DB) (err error) {
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if p.Slug == "" {
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p.Slug, err = generateUniqueSlugForPost(tx, p.Title)
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if err != nil {
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return err
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}
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}
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// Note: Thumbnail generation should be handled in the upload flow.
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return nil
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}
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func (p *Post) BeforeUpdate(tx *gorm.DB) (err error) {
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if p.Slug == "" {
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p.Slug, err = generateUniqueSlugForPost(tx, p.Title)
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return err
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}
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return nil
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}
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func generateUniqueSlugForPost(db *gorm.DB, title string) (string, error) {
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slug := normalizeSlug(title)
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base := slug
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var count int64
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try := 1
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for {
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db.Model(&Post{}).Where("slug = ?", slug).Count(&count)
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if count == 0 {
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return slug, nil
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}
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slug = fmt.Sprintf("%s-%d", base, try)
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try++
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if try > 1000 {
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return "", errors.New("unable to generate unique slug")
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}
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}
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}
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// CategoryView model
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type CategoryView struct {
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ID uint64 `gorm:"type:bigint unsigned;autoIncrement;primaryKey" json:"id"`
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CategoryID uint64 `gorm:"type:bigint unsigned;index" json:"category_id"`
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Category *Category `gorm:"foreignKey:CategoryID" json:"category"`
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IPAddress string `gorm:"size:45;index" json:"ip_address"`
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UserAgent string `gorm:"type:text" json:"user_agent"`
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CreatedAt time.Time `gorm:"autoCreateTime" json:"created_at"`
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}
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func (CategoryView) TableName() string { return "category_views" }
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// Comment model
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type Comment struct {
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ID uint64 `gorm:"type:bigint unsigned;autoIncrement;primaryKey" json:"id"`
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UserID uint64 `gorm:"type:bigint unsigned;index" json:"user_id"`
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ProductID uint64 `gorm:"type:bigint unsigned;index" json:"product_id"`
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Product Post `gorm:"foreignKey:ProductID" json:"product"`
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Title string `gorm:"size:254" json:"title"`
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Body string `gorm:"type:text" json:"body"`
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CreatedAt time.Time `gorm:"autoCreateTime" json:"created_at"`
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UpdatedAt time.Time `gorm:"autoUpdateTime" json:"updated_at"`
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IsActive bool `gorm:"default:true;index" json:"is_active"`
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Slug string `gorm:"size:250;index" json:"slug"`
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ParentID *uint64 `gorm:"type:bigint unsigned;index" json:"parent_id"`
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Parent *Comment `gorm:"foreignKey:ParentID" json:"parent,omitempty"`
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Children []*Comment `gorm:"foreignKey:ParentID" json:"children,omitempty"`
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}
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func (Comment) TableName() string { return "comments" }
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func (c *Comment) BeforeCreate(tx *gorm.DB) (err error) {
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if c.Slug == "" {
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c.Slug, err = generateUniqueSlugForComment(tx, c.Title)
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return err
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}
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return nil
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}
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func (c *Comment) BeforeUpdate(tx *gorm.DB) (err error) {
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if c.Slug == "" {
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c.Slug, err = generateUniqueSlugForComment(tx, c.Title)
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return err
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}
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return nil
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}
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func generateUniqueSlugForComment(db *gorm.DB, title string) (string, error) {
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slug := normalizeSlug(title)
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base := slug
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var count int64
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try := 1
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for {
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db.Model(&Comment{}).Where("slug = ?", slug).Count(&count)
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if count == 0 {
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return slug, nil
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}
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slug = fmt.Sprintf("%s-%d", base, try)
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try++
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if try > 1000 {
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return "", errors.New("unable to generate unique slug")
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}
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}
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}
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// normalizeSlug replaces Turkish characters, lowercases and makes a basic slug.
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func normalizeSlug(s string) string {
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replacer := strings.NewReplacer(
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"ı", "i",
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"İ", "i",
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"ç", "c",
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"Ç", "c",
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"ş", "s",
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"Ş", "s",
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"ö", "o",
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"Ö", "o",
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"ü", "u",
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"Ü", "u",
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" ", "-",
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)
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s = replacer.Replace(s)
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s = strings.ToLower(s)
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s = strings.TrimSpace(s)
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// remove multiple dashes
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for strings.Contains(s, "--") {
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s = strings.ReplaceAll(s, "--", "-")
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}
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// remove extension-like parts
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s = strings.Trim(s, "-._")
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// sanitize file-like chars
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s = filepath.Clean(s)
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return s
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}
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