128 lines
3.4 KiB
Go
128 lines
3.4 KiB
Go
package controllers
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/* Copyright (C) 2022 Rawley Fowler
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.Rawley Fowler, 2022
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*/
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import (
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"encoding/json"
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"io/ioutil"
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"net/http"
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"github.com/gin-gonic/gin"
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"gitlab.com/rawleyifowler/site-rework/models"
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"gitlab.com/rawleyifowler/site-rework/utils"
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"gorm.io/driver/mysql"
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"gorm.io/gorm"
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)
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var (
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db *gorm.DB
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apiKey string
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)
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func RegisterBlogGroup(r *gin.RouterGroup) {
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// Load dsn and initialize database
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dsn := utils.LoadDSN("dsn")
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apiKey = utils.LoadApiKey("api_key.pem")
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var err error
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db, err = gorm.Open(mysql.Open(dsn), &gorm.Config{})
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if err != nil {
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panic("Database connection failed...")
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}
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utils.PerformMigrations(db)
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r.GET("/", RenderBlogPage)
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r.GET("/post/:url", RenderIndividualBlogPost)
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r.POST("/post", CreateBlogPost)
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r.POST("/post/comment", CreateComment)
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}
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func RenderBlogPage(c *gin.Context) {
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c.HTML(http.StatusOK, "blog.tmpl", *GetAllBlogPosts())
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}
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func RenderIndividualBlogPost(c *gin.Context) {
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bp := GetBlogPostById(c.Param("url"))
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if bp == nil {
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c.HTML(http.StatusNotFound, "not_found.tmpl", gin.H{})
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} else {
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c.HTML(http.StatusOK, "blog_post.tmpl", bp)
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}
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}
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func CreateBlogPost(c *gin.Context) {
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reqKey, err := c.Request.Cookie("APK")
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if err != nil {
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c.Status(http.StatusForbidden)
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return
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}
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if reqKey.Value != apiKey {
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c.Status(http.StatusForbidden)
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return
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}
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raw, err := ioutil.ReadAll(c.Request.Body)
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if err != nil {
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c.Status(http.StatusNotAcceptable)
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return
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}
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var data models.BlogPost
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// Write the data from the request to the data variable
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if json.Unmarshal([]byte(raw), &data) != nil {
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c.Status(http.StatusNotAcceptable)
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return
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}
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// Create the blog post in the database
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if db.Create(&data).Error != nil {
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c.Status(http.StatusNotAcceptable)
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} else {
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c.Status(http.StatusAccepted)
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}
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}
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func CreateComment(c *gin.Context) {
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if c.Request.ParseForm() != nil {
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c.Status(http.StatusNotAcceptable)
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return
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}
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comment := models.Comment{
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Author: c.Request.Form.Get("author"),
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Content: c.Request.Form.Get("content"),
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AssociatedPost: c.Request.Form.Get("url"),
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}
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db.Create(&comment)
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}
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func GetAllBlogPosts() *[]models.BlogPost {
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var posts []models.BlogPost
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// Select title, date, and url fields from the blog post records an store them in posts.
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// This is so we don't grab the entire blog post when we render them on the overview page. Saves a couple ms.
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db.Model(&models.BlogPost{}).Select("title, date, url").Take(&posts)
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return &posts
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}
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func GetBlogPostById(id string) *models.BlogPost {
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var post models.BlogPost
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err := db.Where(&models.BlogPost{Url: id}).First(&post).Error
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if err != nil {
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return nil
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}
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// TODO: Figure out gorm joins!
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// gorm joins are not working at all, just going to do another query to make it work for now.
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err = db.Where(&models.Comment{AssociatedPost: id}).Find(&post.Comments).Error
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if err != nil {
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return nil
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}
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return &post
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}
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