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sudoscientist-go-backend/packages/blog/blog.go

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package blog
import (
"database/sql"
"fmt"
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"github.com/go-chi/chi"
"github.com/go-chi/jwtauth"
_ "github.com/go-chi/render"
"github.com/gosimple/slug"
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"net/http"
"strings"
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"time"
)
var (
DB *sql.DB
TokenAuth *jwtauth.JWTAuth
)
type BlogPost struct {
Title string `json:"title",db:"title"`
Slug string `json:"slug",db:"slug"`
Author string `json:"author",db:"author"`
Content string `json:"content",db:"content"`
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DatePublished time.Time `json:"date", db:"date"`
}
type Tag struct {
Tag string `json:"tag",db:"tag"`
}
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func Init() {
createPostsTable := `
CREATE TABLE IF NOT EXISTS posts
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(id SERIAL PRIMARY KEY,
title text,
slug text,
author text REFERENCES users (username),
content text
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date timestamp)`
DB.Exec(createPostsTable)
createTagsTable := `
CREATE TABLE IF NOT EXISTS tags
(id SERIAL PRIMARY KEY,
tag string,
article_id REFERENCES posts (id))`
DB.Exec(createTagsTable)
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}
func Routes() *chi.Mux {
r := chi.NewRouter()
r.Group(func(r chi.Router) {
r.Use(jwtauth.Verifier(TokenAuth))
r.Use(jwtauth.Authenticator)
r.Post("/", createBlogPost)
r.Patch("/{slug}", updateBlogPostBySlug)
r.Patch("/id/{id}", updateBlogPostById)
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})
r.Get("/", getBlogPosts)
r.Get("/{slug}", getBlogPostBySlug)
r.Get("/tag/{slug}", getBlogPostByTag)
r.Get("/id/{id}", getBlogPostById)
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return r
}
func createBlogPost(w http.ResponseWriter, r *http.Request) {
blogPost := &BlogPost{}
tags := &Tag{}
_, claims, _ := jwtauth.FromContext(r.Context())
username := claims["username"].(string)
err := json.NewDecoder(r.Body).Decode(blogPost)
if err != nil {
w.WriteHeader(http.StatusBadRequest)
fmt.Println(err)
return
}
err := json.NewDecoder(r.Body).Decode(tags)
if err != nil {
w.WriteHeader(http.StatusBadRequest)
fmt.Println(err)
return
}
if blogPost.Title == "" {
returnError.Message = "title is required"
w.WriteHeader(http.StatusBadRequest)
render.JSON(w, r, returnError)
return
}
if blogPost.Content == "" {
returnError.Message = "content is required"
w.WriteHeader(http.StatusBadRequest)
render.JSON(w, r, returnError)
return
}
slug := slug.Make(blogPost.Content)
s := `INSERT INTO posts (title, slug, author, content, date)
VALUES ($1, $2, $3, $4, $5)`
db.Exec(s, blogPost.Title, slug, username, blogPost.Content, time.UTC())
if tags.Tag != "" {
t : = `INSERT INTO tags (tag, article_id)
VALUES ($1, $2)`
for i := range strings.Split(tags.Tag, ",") {
db.Exec(t, i, article_id)
}
}
w.WriteHeader(http.StatusCreated)
return
}
func updateBlogPostBySlug(w http.ResponseWriter, r *http.Request) {
return
}
func updateBlogPostById(w http.ResponseWriter, r *http.Request) {
return
}
func getBlogPosts(w http.ResponseWriter, r *http.Request) {
return
}
func getBlogPostById(w http.ResponseWriter, r *http.Request) {
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return
}
func getBlogPostBySlug(w http.ResponseWriter, r *http.Request) {
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return
}
func getBlogPostBySlug(w http.ResponseWriter, r *http.Request) {
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return
}
func getRssFeed(w http.ResponseWriter, r *http.Request) {
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return
}