Fill out getting posts

packages/blog/blog.go

@@ -9,6 +9,7 @@ import (
 	"github.com/go-chi/render"
 	"github.com/gosimple/slug"
 	"net/http"
+	"strconv"
 	"strings"
 	"time"
 )
@@ -29,6 +30,8 @@ type BlogPost struct {
 	TimeModified  time.Time `json:"last_modified", db:"last_modified"`
 }
 
+type BlogPosts []BlogPost
+
 type Tag struct {
 	TagList string `json:"tags"`
 }
@@ -78,8 +81,11 @@ func Routes() *chi.Mux {
 		r.Post("/", createBlogPost)
 		r.Patch("/by-id/{id}", updateBlogPostById)
 	})
-	r.Get("/", getBlogPosts)
+	r.Route("/", func(r chi.Router) {
-	r.Get("/{slug}", getBlogPostBySlug)
+		r.Get("/{last_id}", getBlogPosts)
+		r.Get("/", getBlogPosts)
+	})
+	r.Get("/by-slug/{slug}", getBlogPostBySlug)
 	r.Get("/by-id/{id}", getBlogPostById)
 	r.Get("/by-tag/{tag}", getBlogPostsByTag)
 	r.Get("/by-author/{author}", getBlogPostsByAuthor)
@@ -96,6 +102,7 @@ func createBlogPost(w http.ResponseWriter, r *http.Request) {
 	if err != nil {
 		returnError.Message = "unknown error, try again later"
 		w.WriteHeader(http.StatusBadRequest)
+		render.JSON(w, r, returnError)
 		return
 	}
 	if newBlogPost.Title == "" {
@@ -126,6 +133,8 @@ func createBlogPost(w http.ResponseWriter, r *http.Request) {
 		if err != sql.ErrNoRows {
 			returnError.Message = "something is super broken..."
 			w.WriteHeader(http.StatusInternalServerError)
+			render.JSON(w, r, returnError)
+		    fmt.Println(err)
 			return
 		}
 	}
@@ -140,11 +149,13 @@ func createBlogPost(w http.ResponseWriter, r *http.Request) {
 			returnError.Message = "something is super broken..."
 			w.WriteHeader(http.StatusInternalServerError)
 			render.JSON(w, r, returnError)
+		    fmt.Println(err)
 			return
 		}
 		returnError.Message = "something is super broken..."
 		w.WriteHeader(http.StatusInternalServerError)
 		render.JSON(w, r, returnError)
+		fmt.Println(err)
 		return
 	}
 	// if the article has tags
@@ -175,11 +186,13 @@ func updateBlogPostById(w http.ResponseWriter, r *http.Request) {
 			returnError.Message = "blog post requested for update not found"
 			w.WriteHeader(http.StatusInternalServerError)
 			render.JSON(w, r, returnError)
+		    fmt.Println(err)
 			return
 		}
 		returnError.Message = "something is super broken..."
 		w.WriteHeader(http.StatusInternalServerError)
 		render.JSON(w, r, returnError)
+		fmt.Println(err)
 		return
 	}
 
@@ -187,7 +200,9 @@ func updateBlogPostById(w http.ResponseWriter, r *http.Request) {
 	_, claims, _ := jwtauth.FromContext(r.Context())
 	username := claims["username"].(string)
 	if username != post.Author {
+		returnError.Message = "unauthorized..."
 		w.WriteHeader(http.StatusUnauthorized)
+		render.JSON(w, r, returnError)
 		return
 	}
 	// update the post struct
@@ -205,6 +220,7 @@ func updateBlogPostById(w http.ResponseWriter, r *http.Request) {
 		returnError.Message = "something is super broken..."
 		w.WriteHeader(http.StatusInternalServerError)
 		render.JSON(w, r, returnError)
+		fmt.Println(err)
 		return
 	}
 	returnSuccess := ReturnSuccess{Message: "post updated", ID: post.ID}
@@ -213,8 +229,53 @@ func updateBlogPostById(w http.ResponseWriter, r *http.Request) {
 	return
 }
 
+// This will search by the last id seen, descending.
 func getBlogPosts(w http.ResponseWriter, r *http.Request) {
+	returnError := ReturnError{}
+	last_id := chi.URLParam(r, "last_id")
+	search_id, err := strconv.Atoi(last_id)
+    // hardcoding 9001 because i'm cool.
+	if err != nil {
+		search_id = 9001
+	}
+	// if someone is cool and sends up a negative number...
+	if search_id < 1 {
+		search_id = 9001
+	}
+	search := `
+    SELECT id, title, slug, author, content, time_published, modified, last_modified
+    FROM posts
+    WHERE id < $1
+    ORDER BY id DESC
+    FETCH FIRST 10 ROWS ONLY
+    `
+	rows, err := DB.Query(search, search_id)
+	if err != nil {
+		returnError.Message = "something is super broken..."
+		w.WriteHeader(http.StatusInternalServerError)
+		render.JSON(w, r, returnError)
+		fmt.Println(err)
+		return
+	}
+	defer rows.Close()
+	post := BlogPost{}
+	posts := make(BlogPosts, 0)
+	for rows.Next() {
+		if err := rows.Scan(&post.ID, &post.Title, &post.Slug, &post.Author, &post.Content, &post.TimePublished, &post.Modified, &post.TimeModified); err != nil {
+		}
+		posts = append(posts, post)
+	}
+	if err := rows.Err(); err != nil {
+		returnError.Message = "something is super broken..."
+		w.WriteHeader(http.StatusInternalServerError)
+		render.JSON(w, r, returnError)
+		fmt.Println(err)
+		return
+	}
+	w.WriteHeader(http.StatusOK)
+	render.JSON(w, r, posts)
 	return
+
 }
 
 func getBlogPostBySlug(w http.ResponseWriter, r *http.Request) {
@@ -224,7 +285,6 @@ func getBlogPostBySlug(w http.ResponseWriter, r *http.Request) {
 	post := BlogPost{}
 	err := result.Scan(&post.ID, &post.Title, &post.Slug, &post.Author, &post.Content, &post.TimePublished, &post.Modified, &post.TimeModified)
 	if err != nil {
-		fmt.Println(err)
 		returnError.Message = "post not found"
 		w.WriteHeader(http.StatusBadRequest)
 		render.JSON(w, r, returnError)
@@ -242,7 +302,6 @@ func getBlogPostById(w http.ResponseWriter, r *http.Request) {
 	post := BlogPost{}
 	err := result.Scan(&post.ID, &post.Title, &post.Slug, &post.Author, &post.Content, &post.TimePublished, &post.Modified, &post.TimeModified)
 	if err != nil {
-		fmt.Println(err)
 		returnError.Message = "post not found"
 		w.WriteHeader(http.StatusBadRequest)
 		render.JSON(w, r, returnError)