feat: inserts last 10 articles into DB on feed add

internal/database/article.go

@@ -0,0 +1,61 @@
+package database
+
+import (
+	"fmt"
+	"time"
+)
+
+type Article struct {
+	Name   string
+	Url    string
+	ReadAt *time.Time
+	FeedId int64
+}
+
+func (a Article) Insert() (int64, error) {
+	result, err := db.Exec("INSERT INTO article (name, url, readAt, feedId) VALUES (?, ?, ?, ?)", a.Name, a.Url, a.ReadAt, a.FeedId)
+
+	if err != nil {
+		return 0, err
+	}
+
+	id, err := result.LastInsertId()
+
+	if err != nil {
+		return 0, err
+	}
+
+	return id, nil
+}
+
+func InsertMultipleArticles(articles []Article) error {
+	if len(articles) == 0 {
+		return nil
+	}
+
+	tx, err := db.Begin()
+
+	if err != nil {
+		return err
+	}
+
+	defer tx.Rollback()
+
+	stmt, err := tx.Prepare("INSERT INTO article (name, url, readAt, feedId) VALUES (?, ?, ?, ?)")
+
+	if err != nil {
+		return err
+	}
+
+	defer stmt.Close()
+
+	for _, article := range articles {
+		fmt.Printf("article %+v", article)
+		_, err := stmt.Exec(article.Name, article.Url, article.ReadAt, article.FeedId)
+		if err != nil {
+			return err
+		}
+	}
+
+	return tx.Commit()
+}

internal/database/migrations/2_article.sql

@@ -3,7 +3,6 @@ CREATE table article (
   id INTEGER PRIMARY KEY,
   name text NOT NULL,
   url text NOT NULL UNIQUE,
-  read INTEGER DEFAULT 0,
   readAt text,
   feedId INTEGER,
   FOREIGN KEY (feedId) REFERENCES feed(id)

internal/feed.go

@@ -1,4 +1,4 @@
-package feed
+package internal
 
 import (
 	"fmt"
@@ -8,7 +8,7 @@ import (
 	"github.com/mmcdole/gofeed"
 )
 
-func Add(feedUrl string) error {
+func AddFeed(feedUrl string) error {
 	if _, err := url.ParseRequestURI(feedUrl); err != nil {
 		return fmt.Errorf("The given URL does not seem to be valid: %s", err)
 	}
@@ -19,27 +19,39 @@ func Add(feedUrl string) error {
 		return err
 	}
 
-	fmt.Printf("feed: %+v", feed)
-
-	// TODO: I have everything here (feed), might as well store it right away
-	// So, implement a loop to do that here
-
 	f := database.Feed{
 		Name: feed.Title,
 		Url:  feedUrl,
 	}
 
-	if _, err := f.Insert(); err != nil {
+	feedId, err := f.Insert()
+	if err != nil {
 		return err
 	}
 
+	articles := make([]database.Article, 0, 10)
+
+	for i, v := range feed.Items {
+		if i < 10 {
+			a := database.Article{
+				Name:   v.Title,
+				Url:    v.Link,
+				FeedId: feedId,
+			}
+
+			articles = append(articles, a)
+		}
+	}
+
+	database.InsertMultipleArticles(articles)
+
 	return nil
 }
 
 func parseByUrl(u string) (*gofeed.Feed, error) {
 	fp := gofeed.NewParser()
-	feed, err := fp.ParseURL(u)
 
+	feed, err := fp.ParseURL(u)
 	if err != nil {
 		return nil, err
 	}

internal/feed_test.go

@@ -1,11 +0,0 @@
-package feed
-
-import "testing"
-
-func TestAdd(t *testing.T) {
-	gotErr := Add("gibberish")
-
-	if gotErr == nil {
-		t.Errorf("Expected Add function to throw an error if an invalid URL is provided")
-	}
-}