feat: Add web ride library with Strava sync

1 files changed, 52 insertions, 0 deletions

diff --git a/config/env.go b/config/env.go
new file mode 100644
index 0000000..b9d9f76
--- /dev/null
+++ b/config/env.go
@@ -0,0 +1,52 @@
+package config
+
+import (
+	"fmt"
+	"os"
+	"strings"
+)
+
+func LoadEnv(filename string) (map[string]string, error) {
+	data, err := os.ReadFile(filename)
+	if err != nil {
+		return nil, err
+	}
+	values := map[string]string{}
+	for _, line := range strings.Split(string(data), "\n") {
+		line = strings.TrimSpace(line)
+		if line == "" || strings.HasPrefix(line, "#") {
+			continue
+		}
+		key, value, found := strings.Cut(line, "=")
+		if found {
+			values[strings.TrimSpace(key)] = strings.Trim(strings.TrimSpace(value), `"`)
+		}
+	}
+	return values, nil
+}
+
+func UpdateEnv(filename string, updates map[string]string) error {
+	data, err := os.ReadFile(filename)
+	if err != nil {
+		return err
+	}
+	lines := strings.Split(string(data), "\n")
+	for key, value := range updates {
+		found := false
+		for i, line := range lines {
+			existingKey, _, cut := strings.Cut(strings.TrimSpace(line), "=")
+			if cut && strings.TrimSpace(existingKey) == key {
+				lines[i] = key + "=" + value
+				found = true
+				break
+			}
+		}
+		if !found {
+			lines = append(lines, key+"="+value)
+		}
+	}
+	if err := os.WriteFile(filename, []byte(strings.Join(lines, "\n")+"\n"), 0o600); err != nil {
+		return fmt.Errorf("write env file: %w", err)
+	}
+	return nil
+}