func listChannels()

in go-gin-react/go-gin-react-part2/main.go [162:191]

• 18 lines of code
• 4 McCabe index (conditional complexity)

func listChannels(c *gin.Context, db *sql.DB) {
	// Query database for channels
	rows, err := db.Query("SELECT id, name FROM channels")
	if err != nil {
		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
		return
	}

	// Create slice of channels
	var channels []Channel

	// Iterate over rows
	for rows.Next() {
		// Create new channel
		var channel Channel

		// Scan row into channel
		err := rows.Scan(&channel.ID, &channel.Name)
		if err != nil {
			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
			return
		}

		// Append channel to slice
		channels = append(channels, channel)
	}

	// Return slice of channels
	c.JSON(http.StatusOK, channels)
}