feat: migrate codes from previous project

internal/rss/client.go

@@ -0,0 +1,48 @@
+package rss
+
+import (
+	"context"
+	"rss-to-feishu-next/internal/config"
+	"rss-to-feishu-next/internal/net"
+)
+
+type Client struct {
+	netClient *net.Client
+}
+
+func NewClient(client *net.Client) *Client {
+	return &Client{netClient: client}
+}
+
+func (c *Client) FetchRss(ctx context.Context, name, url string) (*Message, error) {
+	resp, err := c.netClient.Get(ctx, url)
+	if err != nil {
+		return nil, err
+	}
+
+	return &Message{
+		Name:    name,
+		Url:     url,
+		Content: resp,
+	}, nil
+}
+
+func (c *Client) FetchAllRss(ctx context.Context) ([]*Message, error) {
+	cfg, err := config.LoadConfig()
+	if err != nil {
+		return nil, err
+	}
+
+	var messages []*Message
+	subscribes := cfg.Subscribes
+
+	for i := 0; i < len(cfg.Subscribes); i++ {
+		message, err := c.FetchRss(ctx, subscribes[i].Name, subscribes[i].Url)
+		if err != nil {
+			return nil, err
+		}
+		messages = append(messages, message)
+	}
+
+	return messages, nil
+}