Files
old-ibcetvorke/database/post.go
2023-09-16 16:59:16 +02:00

111 lines
3.1 KiB
Go

package database
import (
"database/sql"
"fmt"
"strings"
"time"
)
type Post struct {
ID int
Title string `db:"post_title"`
Content string
Date string
MarkdownContent string `db:"markdown_content"`
GemtextContent sql.NullString `db:"gemtext_content"`
TitleSlug string `db:"title_slug"`
Year, Month, Day int
}
func (p *Post) GemtextPage() string {
return fmt.Sprintf("# %s\n\n", p.Title) + p.GemtextContent.String + "\n\n" + p.Date
}
func (p *Post) HTMLPage() string {
var content string
if p.GemtextContent.Valid {
content = p.GemtextContent.String
if strings.HasPrefix(content, "{") {
content = strings.TrimPrefix(content, "{")
}
if strings.HasSuffix(content, "true}") {
content = strings.TrimSuffix(content, "true}")
}
} else {
content = ""
}
lines := strings.Split(content, "\n")
var htmlLines []string
for _, line := range lines {
if strings.HasPrefix(line, "#") {
htmlLines = append(htmlLines, "<h1>"+line[1:]+"</h1>")
} else if strings.HasPrefix(line, "##") {
htmlLines = append(htmlLines, "<h2>"+line[2:]+"</h2>")
} else if strings.HasPrefix(line, "###") {
htmlLines = append(htmlLines, "<h3>"+line[3:]+"</h3>")
} else if strings.HasPrefix(line, "* ") {
htmlLines = append(htmlLines, "<ul><li>"+line[2:]+"</li></ul>")
} else if strings.HasPrefix(line, ">") {
htmlLines = append(htmlLines, "<blockquote>"+line[1:]+"</blockquote>")
} else if strings.HasPrefix(line, "=>") {
parts := strings.Fields(line[2:])
if len(parts) > 1 {
url := parts[0]
text := strings.Join(parts[1:], " ")
htmlLines = append(htmlLines, fmt.Sprintf(`<a href="%s.html">%s</a>`, url, text))
} else if len(parts) == 1 {
url := parts[0]
htmlLines = append(htmlLines, fmt.Sprintf(`<a href="%s.html">%s</a>`, url, url))
}
} else {
htmlLines = append(htmlLines, "<p>"+line+"</p>")
}
}
return strings.Join(htmlLines, "\n")
}
func GetPost(id int) (*Post, error) {
db := GetDB()
post := &Post{}
err := db.Get(post, "SELECT id, post_title, date, markdown_content, gemtext_content, title_slug, year, month, day FROM posts WHERE id = ? and gemtext_content is not null", id)
if err != nil {
return nil, err
}
return post, nil
}
func UpdatePost(p *Post) error {
db := GetDB()
_, err := db.Exec("UPDATE posts SET post_title = ?, markdown_content = ?, gemtext_content = ?, title_slug = ?, year = ?, month = ?, day = ? WHERE id = ?", p.Title, p.MarkdownContent, p.GemtextContent, p.TitleSlug, p.Year, p.Month, p.Day, p.ID)
if err != nil {
return err
}
return nil
}
func CreateNewPost() (*Post, error) {
db := GetDB()
day := time.Now().Day()
month := time.Now().Month()
year := time.Now().Year()
result, err := db.Exec("INSERT INTO posts (post_title, markdown_content, gemtext_content, title_slug, year, month, day) VALUES (?, ?, ?, ?, ?, ?, ?)", "Novi Clanak", "", "", "new-post", year, month, day)
if err != nil {
return nil, err
}
postID, err := result.LastInsertId()
if err != nil {
return nil, err
}
post, err := GetPost(int(postID))
if err != nil {
return nil, err
}
return post, nil
}